====================================== | [ 10.821966][ T214] softirqs last disabled at (16974): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.821969][ T214] Preemption disabled at: | [ 10.821969][ T214] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.821978][ T214] Tainted: [W]=WARN [ 10.821979][ T214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.821981][ T214] Call Trace: [ 10.821982][ T214] [ 10.821984][ T214] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.821990][ T214] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.821992][ T214] __might_resched.cold (kernel/sched/core.c:9234) [ 10.821996][ T214] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.822001][ T214] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.822005][ T214] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.822007][ T214] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.822014][ T214] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.822016][ T214] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.822020][ T214] put_chars (drivers/char/virtio_console.c:1176) [ 10.822022][ T214] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.822029][ T214] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.822037][ T214] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.822040][ T214] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.822045][ T214] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.822048][ T214] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.822050][ T214] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.822053][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.822056][ T214] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.822060][ T214] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.822064][ T214] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.822066][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.822072][ T214] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.822075][ T214] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.822077][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.822078][ T214] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 10.822082][ T214] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.822084][ T214] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.822087][ T214] vprintk_emit (kernel/printk/printk.c:2479) [ 10.822090][ T214] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.822092][ T214] ? save_trace (kernel/locking/lockdep.c:589) [ 10.822096][ T214] _printk (kernel/printk/printk.c:2504) [ 10.822100][ T214] ? snapshot_read.cold (user.c:?) [ 10.822103][ T214] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.822106][ T214] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.822110][ T214] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.822113][ T214] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.822115][ T214] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.822117][ T214] ? netdev_notice (net/core/dev.c:13194) [ 10.822120][ T214] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.822123][ T214] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.822126][ T214] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.822130][ T214] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.822132][ T214] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.822134][ T214] ? register_netdev (net/core/dev.c:11618) [ 10.822135][ T214] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 10.822141][ T214] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.822143][ T214] ? __kernel_text_address (kernel/extable.c:79) [ 10.822146][ T214] ? write_profile (profile.c:?) [ 10.822150][ T214] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.822156][ T214] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.822159][ T214] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.822161][ T214] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.822163][ T214] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.822165][ T214] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.822169][ T214] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.822171][ T214] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.822173][ T214] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.822175][ T214] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.822177][ T214] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.822181][ T214] ? kasan_save_track (mm/kasan/common.c:78) [ 10.822183][ T214] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.822185][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.822188][ T214] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 10.822190][ T214] ? ___sys_sendmsg (net/socket.c:2758) [ 10.822195][ T214] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.822197][ T214] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.822200][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.822201][ T214] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.822203][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.822204][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.822206][ T214] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.822208][ T214] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 10.822211][ T214] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.822213][ T214] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.822217][ T214] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.822218][ T214] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.822224][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.822226][ T214] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.822232][ T214] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.822238][ T214] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.822240][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.822245][ T214] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.822247][ T214] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.822249][ T214] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.822251][ T214] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.822255][ T214] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.822257][ T214] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.822260][ T214] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.822262][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.822267][ T214] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.822268][ T214] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.822272][ T214] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.822276][ T214] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.822279][ T214] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.822286][ T214] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 10.822288][ T214] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 10.822293][ T214] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.822297][ T214] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.822300][ T214] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.822304][ T214] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.822308][ T214] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.822312][ T214] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.822314][ T214] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 10.822319][ T214] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 10.822322][ T214] ____sys_sendmsg (net/socket.c:2713) [ 10.822324][ T214] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.822327][ T214] ? sock_write_iter (net/socket.c:1269) [ 10.822328][ T214] ? move_addr_to_kernel (net/socket.c:258) [ 10.822336][ T214] ___sys_sendmsg (net/socket.c:2767) [ 10.822339][ T214] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.822355][ T214] __sys_sendmsg (net/socket.c:2799) [ 10.822358][ T214] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.822364][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.822367][ T214] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.822370][ T214] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.822373][ T214] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.822375][ T214] RIP: 0033:0x7f76e306554e [ 10.822379][ T214] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 10.822381][ T214] RSP: 002b:00007ffd878b47a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.822383][ T214] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f76e306554e [ 10.822385][ T214] RDX: 0000000000000000 RSI: 00007ffd878b4850 RDI: 0000000000000005 [ 10.822386][ T214] RBP: 00007ffd878b47b0 R08: 0000000000000000 R09: 0000000000000000 [ 10.822386][ T214] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e1c [ 10.822387][ T214] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd878b4f10 | [ 12.834249][ T292] softirqs last disabled at (24347): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.834252][ T292] Preemption disabled at: | [ 12.834252][ T292] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.834261][ T292] Tainted: [W]=WARN [ 12.834262][ T292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.834264][ T292] Call Trace: [ 12.834265][ T292] [ 12.834267][ T292] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.834274][ T292] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.834275][ T292] __might_resched.cold (kernel/sched/core.c:9234) [ 12.834280][ T292] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.834284][ T292] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.834289][ T292] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.834291][ T292] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.834298][ T292] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.834301][ T292] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.834305][ T292] put_chars (drivers/char/virtio_console.c:1176) [ 12.834307][ T292] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.834308][ T292] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.834312][ T292] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.834315][ T292] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.834320][ T292] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.834324][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.834330][ T292] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.834333][ T292] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.834337][ T292] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.834342][ T292] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.834344][ T292] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 12.834347][ T292] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.834349][ T292] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.834353][ T292] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.834357][ T292] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.834359][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.834365][ T292] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.834367][ T292] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.834374][ T292] ? console_unlock (kernel/printk/printk.c:3415) [ 12.834377][ T292] vprintk_emit (kernel/printk/printk.c:2479) [ 12.834380][ T292] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.834382][ T292] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.834385][ T292] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.834388][ T292] _printk (kernel/printk/printk.c:2504) [ 12.834392][ T292] ? snapshot_read.cold (user.c:?) [ 12.834396][ T292] ? br_multicast_flood (??:?) [ 12.834400][ T292] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 12.834401][ T292] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 12.834403][ T292] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.834407][ T292] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 12.834411][ T292] br_init_port (net/bridge/br_stp_if.c:39) [ 12.834414][ T292] new_nbp (net/bridge/br_if.c:449) [ 12.834418][ T292] br_add_if (net/bridge/br_if.c:592) [ 12.834420][ T292] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 12.834428][ T292] do_set_master (net/core/rtnetlink.c:3071) [ 12.834432][ T292] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 12.834436][ T292] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 12.834437][ T292] ? __dev_get_by_name (net/core/dev.c:905) [ 12.834439][ T292] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 12.834449][ T292] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 12.834456][ T292] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.834461][ T292] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.834463][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.834470][ T292] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.834474][ T292] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.834476][ T292] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.834479][ T292] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.834481][ T292] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.834486][ T292] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.834488][ T292] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.834491][ T292] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.834495][ T292] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.834498][ T292] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.834505][ T292] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 12.834507][ T292] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 12.834511][ T292] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.834516][ T292] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.834521][ T292] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.834525][ T292] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.834529][ T292] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.834531][ T292] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 12.834537][ T292] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 12.834541][ T292] ____sys_sendmsg (net/socket.c:2713) [ 12.834543][ T292] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.834546][ T292] ? sock_write_iter (net/socket.c:1269) [ 12.834547][ T292] ? move_addr_to_kernel (net/socket.c:258) [ 12.834552][ T292] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 12.834555][ T292] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.834559][ T292] ___sys_sendmsg (net/socket.c:2767) [ 12.834560][ T292] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 12.834563][ T292] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.834565][ T292] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 12.834581][ T292] __sys_sendmsg (net/socket.c:2799) [ 12.834584][ T292] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.834590][ T292] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.834592][ T292] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.834595][ T292] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.834598][ T292] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.834601][ T292] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.834603][ T292] RIP: 0033:0x7f63f579454e [ 12.834607][ T292] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 12.834608][ T292] RSP: 002b:00007ffdaa574090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.834611][ T292] RAX: ffffffffffffffda RBX: 00007ffdaa574858 RCX: 00007f63f579454e [ 12.834612][ T292] RDX: 0000000000000000 RSI: 00007ffdaa574140 RDI: 0000000000000005 [ 12.834613][ T292] RBP: 00007ffdaa5740a0 R08: 0000000000000000 R09: 0000000000000000 [ 12.834614][ T292] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e1e [ 12.834615][ T292] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdaa574810 | [ 14.566557][ T355] softirqs last disabled at (25708): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 14.566559][ T355] Preemption disabled at: | [ 14.566560][ T355] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.566568][ T355] Tainted: [W]=WARN [ 14.566569][ T355] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.566571][ T355] Call Trace: [ 14.566572][ T355] [ 14.566573][ T355] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.566580][ T355] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.566582][ T355] __might_resched.cold (kernel/sched/core.c:9234) [ 14.566586][ T355] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.566590][ T355] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.566595][ T355] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 14.566597][ T355] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.566603][ T355] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 14.566606][ T355] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.566610][ T355] put_chars (drivers/char/virtio_console.c:1176) [ 14.566612][ T355] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.566614][ T355] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.566617][ T355] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.566620][ T355] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.566625][ T355] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.566630][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.566635][ T355] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.566638][ T355] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.566643][ T355] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.566647][ T355] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.566649][ T355] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 14.566652][ T355] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.566654][ T355] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.566658][ T355] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.566663][ T355] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.566665][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.566670][ T355] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.566673][ T355] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.566675][ T355] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.566677][ T355] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 14.566681][ T355] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.566682][ T355] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.566685][ T355] vprintk_emit (kernel/printk/printk.c:2479) [ 14.566688][ T355] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.566690][ T355] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.566693][ T355] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 14.566697][ T355] _printk (kernel/printk/printk.c:2504) [ 14.566701][ T355] ? snapshot_read.cold (user.c:?) [ 14.566705][ T355] ? br_multicast_flood (??:?) [ 14.566708][ T355] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 14.566709][ T355] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 14.566711][ T355] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.566715][ T355] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 14.566719][ T355] br_init_port (net/bridge/br_stp_if.c:39) [ 14.566722][ T355] new_nbp (net/bridge/br_if.c:449) [ 14.566726][ T355] br_add_if (net/bridge/br_if.c:592) [ 14.566728][ T355] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 14.566736][ T355] do_set_master (net/core/rtnetlink.c:3071) [ 14.566740][ T355] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 14.566743][ T355] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 14.566745][ T355] ? __dev_get_by_name (net/core/dev.c:905) [ 14.566747][ T355] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 14.566757][ T355] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 14.566763][ T355] rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.566769][ T355] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.566771][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.566778][ T355] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.566782][ T355] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.566784][ T355] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.566787][ T355] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.566788][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.566793][ T355] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.566795][ T355] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.566799][ T355] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.566803][ T355] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.566806][ T355] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.566812][ T355] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 14.566814][ T355] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 14.566819][ T355] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.566823][ T355] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.566829][ T355] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.566833][ T355] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.566837][ T355] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.566838][ T355] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 14.566844][ T355] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 14.566848][ T355] ____sys_sendmsg (net/socket.c:2713) [ 14.566850][ T355] ? copy_msghdr_from_user (net/socket.c:2650) [ 14.566853][ T355] ? sock_write_iter (net/socket.c:1269) [ 14.566854][ T355] ? move_addr_to_kernel (net/socket.c:258) [ 14.566859][ T355] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 14.566862][ T355] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.566865][ T355] ___sys_sendmsg (net/socket.c:2767) [ 14.566867][ T355] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 14.566870][ T355] ? copy_msghdr_from_user (net/socket.c:2619) [ 14.566872][ T355] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 14.566888][ T355] __sys_sendmsg (net/socket.c:2799) [ 14.566891][ T355] ? __sys_sendmsg_sock (net/socket.c:2780) [ 14.566896][ T355] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.566898][ T355] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.566901][ T355] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.566905][ T355] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.566908][ T355] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.566910][ T355] RIP: 0033:0x7f11dedf954e [ 14.566914][ T355] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 14.566916][ T355] RSP: 002b:00007fffecb86ee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.566918][ T355] RAX: ffffffffffffffda RBX: 00007fffecb876a8 RCX: 00007f11dedf954e [ 14.566920][ T355] RDX: 0000000000000000 RSI: 00007fffecb86f90 RDI: 0000000000000005 [ 14.566921][ T355] RBP: 00007fffecb86ef0 R08: 0000000000000000 R09: 0000000000000000 [ 14.566922][ T355] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e1f [ 14.566922][ T355] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffecb87660 | [ 15.618870][ T385] softirqs last disabled at (28821): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 15.618872][ T385] Preemption disabled at: | [ 15.618873][ T385] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.618881][ T385] Tainted: [W]=WARN [ 15.618882][ T385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.618884][ T385] Call Trace: [ 15.618886][ T385] [ 15.618887][ T385] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.618894][ T385] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.618895][ T385] __might_resched.cold (kernel/sched/core.c:9234) [ 15.618900][ T385] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.618904][ T385] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.618908][ T385] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 15.618910][ T385] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.618917][ T385] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 15.618920][ T385] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.618923][ T385] put_chars (drivers/char/virtio_console.c:1176) [ 15.618926][ T385] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.618927][ T385] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.618931][ T385] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.618939][ T385] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.618944][ T385] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.618948][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.618953][ T385] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.618956][ T385] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.618961][ T385] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.618965][ T385] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.618967][ T385] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 15.618970][ T385] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.618972][ T385] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.618976][ T385] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.618980][ T385] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.618982][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.618987][ T385] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.618990][ T385] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.618992][ T385] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.618993][ T385] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 15.618997][ T385] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.618999][ T385] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.619001][ T385] vprintk_emit (kernel/printk/printk.c:2479) [ 15.619005][ T385] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.619007][ T385] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.619009][ T385] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.619013][ T385] _printk (kernel/printk/printk.c:2504) [ 15.619017][ T385] ? snapshot_read.cold (user.c:?) [ 15.619020][ T385] ? br_multicast_flood (??:?) [ 15.619024][ T385] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 15.619025][ T385] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 15.619026][ T385] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.619030][ T385] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 15.619035][ T385] br_init_port (net/bridge/br_stp_if.c:39) [ 15.619037][ T385] new_nbp (net/bridge/br_if.c:449) [ 15.619041][ T385] br_add_if (net/bridge/br_if.c:592) [ 15.619043][ T385] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 15.619051][ T385] do_set_master (net/core/rtnetlink.c:3071) [ 15.619055][ T385] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 15.619058][ T385] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 15.619060][ T385] ? __dev_get_by_name (net/core/dev.c:905) [ 15.619062][ T385] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 15.619071][ T385] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 15.619078][ T385] rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.619083][ T385] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.619085][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.619092][ T385] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.619095][ T385] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.619097][ T385] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.619101][ T385] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.619102][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.619106][ T385] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.619108][ T385] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.619112][ T385] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.619115][ T385] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.619118][ T385] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.619125][ T385] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 15.619127][ T385] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 15.619131][ T385] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.619135][ T385] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.619141][ T385] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.619144][ T385] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.619148][ T385] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.619150][ T385] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 15.619155][ T385] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 15.619159][ T385] ____sys_sendmsg (net/socket.c:2713) [ 15.619161][ T385] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.619164][ T385] ? sock_write_iter (net/socket.c:1269) [ 15.619165][ T385] ? move_addr_to_kernel (net/socket.c:258) [ 15.619170][ T385] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 15.619172][ T385] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.619176][ T385] ___sys_sendmsg (net/socket.c:2767) [ 15.619178][ T385] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 15.619182][ T385] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.619185][ T385] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 15.619200][ T385] __sys_sendmsg (net/socket.c:2799) [ 15.619203][ T385] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.619208][ T385] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.619210][ T385] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.619213][ T385] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.619217][ T385] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.619220][ T385] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.619222][ T385] RIP: 0033:0x7f239614e54e [ 15.619226][ T385] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 15.619228][ T385] RSP: 002b:00007fff800f4c20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.619231][ T385] RAX: ffffffffffffffda RBX: 00007fff800f53e8 RCX: 00007f239614e54e [ 15.619232][ T385] RDX: 0000000000000000 RSI: 00007fff800f4cd0 RDI: 0000000000000005 [ 15.619233][ T385] RBP: 00007fff800f4c30 R08: 0000000000000000 R09: 0000000000000000 [ 15.619234][ T385] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e20 [ 15.619235][ T385] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff800f53a0 | [ 22.740679][ T69] softirqs last disabled at (22190): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 22.740681][ T69] Preemption disabled at: | [ 22.740682][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 22.740691][ T69] Tainted: [W]=WARN [ 22.740692][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.740693][ T69] Workqueue: netns cleanup_net [ 22.740697][ T69] Call Trace: [ 22.740698][ T69] [ 22.740700][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.740707][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 22.740709][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 22.740714][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 22.740718][ T69] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 22.740722][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 22.740725][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.740732][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 22.740735][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.740739][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 22.740741][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 22.740745][ T69] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 22.740750][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 22.740754][ T69] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.740760][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 22.740764][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.740769][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 22.740774][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.740776][ T69] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 22.740779][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.740781][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.740786][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.740790][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.740792][ T69] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.740798][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.740801][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.740803][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.740805][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 22.740809][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.740811][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.740814][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 22.740818][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.740819][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 22.740821][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 22.740823][ T69] ? kthread (kernel/kthread.c:436) [ 22.740826][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 22.740829][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 22.740834][ T69] _printk (kernel/printk/printk.c:2504) [ 22.740838][ T69] ? snapshot_read.cold (user.c:?) [ 22.740843][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 22.740847][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 22.740851][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 22.740855][ T69] ? netdev_notice (net/core/dev.c:13194) [ 22.740863][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.740865][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 22.740868][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 22.740870][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 22.740873][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 22.740877][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 22.740881][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 22.740888][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 22.740892][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 22.740896][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 22.740900][ T69] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 22.740904][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 22.740906][ T69] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.740909][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 22.740914][ T69] cleanup_net (net/core/net_namespace.c:706) [ 22.740918][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 22.740922][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.740924][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.740928][ T69] process_one_work (kernel/workqueue.c:3387) [ 22.740935][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 22.740938][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 22.740946][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 22.740951][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 22.740953][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 22.740956][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 22.740959][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 22.740966][ T69] kthread (kernel/kthread.c:436) [ 22.740968][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 22.740972][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 22.740976][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 22.740978][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 22.740982][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 22.740986][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 22.740989][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 23.896642][ T536] softirqs last disabled at (21876): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 23.896645][ T536] Preemption disabled at: | [ 23.896646][ T536] vprintk_emit (kernel/printk/printk.c:2471) | [ 23.896654][ T536] Tainted: [W]=WARN [ 23.896655][ T536] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.896656][ T536] Call Trace: [ 23.896658][ T536] [ 23.896660][ T536] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 23.896666][ T536] ? vprintk_emit (kernel/printk/printk.c:2471) [ 23.896667][ T536] __might_resched.cold (kernel/sched/core.c:9234) [ 23.896672][ T536] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.896676][ T536] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 23.896681][ T536] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 23.896682][ T536] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.896689][ T536] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 23.896692][ T536] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.896695][ T536] put_chars (drivers/char/virtio_console.c:1176) [ 23.896698][ T536] ? __send_to_port (drivers/char/virtio_console.c:654) [ 23.896704][ T536] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 23.896712][ T536] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 23.896715][ T536] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.896719][ T536] console_emit_next_record (kernel/printk/printk.c:3183) [ 23.896723][ T536] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 23.896725][ T536] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 23.896728][ T536] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.896731][ T536] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.896735][ T536] console_flush_one_record (kernel/printk/printk.c:3268) [ 23.896739][ T536] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 23.896741][ T536] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.896746][ T536] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 23.896749][ T536] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 23.896751][ T536] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.896752][ T536] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 23.896756][ T536] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 23.896758][ T536] ? vprintk_emit (kernel/printk/printk.c:2478) [ 23.896760][ T536] vprintk_emit (kernel/printk/printk.c:2479) [ 23.896763][ T536] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 23.896766][ T536] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 23.896771][ T536] _printk (kernel/printk/printk.c:2504) [ 23.896775][ T536] ? snapshot_read.cold (user.c:?) [ 23.896777][ T536] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 23.896780][ T536] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.896783][ T536] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 23.896785][ T536] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 23.896789][ T536] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 23.896791][ T536] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 23.896794][ T536] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 23.896796][ T536] ? netdev_notice (net/core/dev.c:13194) [ 23.896799][ T536] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 23.896802][ T536] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.896805][ T536] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 23.896808][ T536] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 23.896810][ T536] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 23.896812][ T536] ? register_netdev (net/core/dev.c:11618) [ 23.896814][ T536] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 23.896819][ T536] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 23.896822][ T536] ? __kernel_text_address (kernel/extable.c:79) [ 23.896824][ T536] ? write_profile (profile.c:?) [ 23.896828][ T536] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 23.896834][ T536] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 23.896837][ T536] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 23.896839][ T536] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 23.896840][ T536] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 23.896842][ T536] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 23.896846][ T536] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 23.896848][ T536] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.896849][ T536] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 23.896852][ T536] ? kasan_save_stack (mm/kasan/common.c:58) [ 23.896854][ T536] ? kasan_save_stack (mm/kasan/common.c:57) [ 23.896855][ T536] ? kasan_save_track (mm/kasan/common.c:78) [ 23.896856][ T536] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 23.896858][ T536] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.896860][ T536] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 23.896863][ T536] ? ___sys_sendmsg (net/socket.c:2758) [ 23.896867][ T536] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.896869][ T536] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 23.896871][ T536] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.896873][ T536] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.896875][ T536] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.896876][ T536] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.896877][ T536] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 23.896880][ T536] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 23.896881][ T536] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 23.896883][ T536] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 23.896886][ T536] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 23.896887][ T536] ? nla_get_range_signed (lib/nlattr.c:270) [ 23.896892][ T536] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.896894][ T536] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 23.896900][ T536] rtnl_newlink (net/core/rtnetlink.c:4215) [ 23.896905][ T536] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 23.896907][ T536] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.896911][ T536] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.896913][ T536] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 23.896915][ T536] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 23.896917][ T536] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.896921][ T536] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 23.896923][ T536] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 23.896926][ T536] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 23.896927][ T536] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.896932][ T536] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.896933][ T536] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 23.896937][ T536] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 23.896940][ T536] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 23.896943][ T536] ? netlink_ack (./include/linux/skbuff.h:2718) [ 23.896949][ T536] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 23.896951][ T536] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 23.896956][ T536] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 23.896959][ T536] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 23.896962][ T536] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 23.896970][ T536] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 23.896974][ T536] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 23.896978][ T536] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 23.896980][ T536] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 23.896985][ T536] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 23.896988][ T536] ____sys_sendmsg (net/socket.c:2713) [ 23.896990][ T536] ? copy_msghdr_from_user (net/socket.c:2650) [ 23.896992][ T536] ? sock_write_iter (net/socket.c:1269) [ 23.896994][ T536] ? move_addr_to_kernel (net/socket.c:258) [ 23.897001][ T536] ___sys_sendmsg (net/socket.c:2767) [ 23.897004][ T536] ? copy_msghdr_from_user (net/socket.c:2619) [ 23.897019][ T536] __sys_sendmsg (net/socket.c:2799) [ 23.897022][ T536] ? __sys_sendmsg_sock (net/socket.c:2780) [ 23.897028][ T536] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.897031][ T536] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 23.897034][ T536] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 23.897037][ T536] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 23.897039][ T536] RIP: 0033:0x7f894106754e [ 23.897043][ T536] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 23.897045][ T536] RSP: 002b:00007ffc13d51c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 23.897047][ T536] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f894106754e [ 23.897049][ T536] RDX: 0000000000000000 RSI: 00007ffc13d51d30 RDI: 0000000000000005 [ 23.897050][ T536] RBP: 00007ffc13d51c90 R08: 0000000000000000 R09: 0000000000000000 [ 23.897051][ T536] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e29 [ 23.897051][ T536] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc13d523f0 | [ 25.780308][ T610] softirqs last disabled at (22702): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 25.780311][ T610] Preemption disabled at: | [ 25.780311][ T610] vprintk_emit (kernel/printk/printk.c:2471) | [ 25.780320][ T610] Tainted: [W]=WARN [ 25.780321][ T610] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.780323][ T610] Call Trace: [ 25.780324][ T610] [ 25.780326][ T610] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.780333][ T610] ? vprintk_emit (kernel/printk/printk.c:2471) [ 25.780335][ T610] __might_resched.cold (kernel/sched/core.c:9234) [ 25.780340][ T610] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.780344][ T610] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.780349][ T610] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 25.780351][ T610] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.780358][ T610] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 25.780361][ T610] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.780365][ T610] put_chars (drivers/char/virtio_console.c:1176) [ 25.780367][ T610] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.780368][ T610] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.780372][ T610] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.780375][ T610] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.780380][ T610] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.780384][ T610] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.780390][ T610] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.780393][ T610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.780398][ T610] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.780402][ T610] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.780404][ T610] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 25.780408][ T610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.780410][ T610] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.780414][ T610] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.780418][ T610] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.780420][ T610] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.780426][ T610] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.780429][ T610] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.780431][ T610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.780433][ T610] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 25.780437][ T610] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.780439][ T610] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.780442][ T610] vprintk_emit (kernel/printk/printk.c:2479) [ 25.780445][ T610] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.780447][ T610] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.780450][ T610] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.780454][ T610] _printk (kernel/printk/printk.c:2504) [ 25.780458][ T610] ? snapshot_read.cold (user.c:?) [ 25.780462][ T610] ? br_multicast_flood (??:?) [ 25.780465][ T610] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 25.780466][ T610] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 25.780467][ T610] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 25.780472][ T610] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 25.780476][ T610] br_init_port (net/bridge/br_stp_if.c:39) [ 25.780479][ T610] new_nbp (net/bridge/br_if.c:449) [ 25.780483][ T610] br_add_if (net/bridge/br_if.c:592) [ 25.780485][ T610] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 25.780493][ T610] do_set_master (net/core/rtnetlink.c:3071) [ 25.780497][ T610] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 25.780501][ T610] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 25.780503][ T610] ? __dev_get_by_name (net/core/dev.c:905) [ 25.780505][ T610] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 25.780515][ T610] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 25.780522][ T610] rtnl_newlink (net/core/rtnetlink.c:4215) [ 25.780528][ T610] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 25.780530][ T610] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.780537][ T610] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.780541][ T610] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 25.780543][ T610] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 25.780547][ T610] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.780548][ T610] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.780553][ T610] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.780555][ T610] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.780559][ T610] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 25.780563][ T610] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.780566][ T610] ? netlink_ack (./include/linux/skbuff.h:2718) [ 25.780573][ T610] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 25.780575][ T610] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 25.780580][ T610] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 25.780584][ T610] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 25.780590][ T610] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 25.780594][ T610] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 25.780598][ T610] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.780600][ T610] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 25.780606][ T610] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 25.780610][ T610] ____sys_sendmsg (net/socket.c:2713) [ 25.780612][ T610] ? copy_msghdr_from_user (net/socket.c:2650) [ 25.780615][ T610] ? sock_write_iter (net/socket.c:1269) [ 25.780616][ T610] ? move_addr_to_kernel (net/socket.c:258) [ 25.780621][ T610] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 25.780624][ T610] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.780628][ T610] ___sys_sendmsg (net/socket.c:2767) [ 25.780630][ T610] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 25.780633][ T610] ? copy_msghdr_from_user (net/socket.c:2619) [ 25.780635][ T610] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 25.780651][ T610] __sys_sendmsg (net/socket.c:2799) [ 25.780654][ T610] ? __sys_sendmsg_sock (net/socket.c:2780) [ 25.780660][ T610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.780662][ T610] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.780665][ T610] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.780669][ T610] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.780673][ T610] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.780675][ T610] RIP: 0033:0x7f4dc67b354e [ 25.780679][ T610] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 25.780681][ T610] RSP: 002b:00007fff4707de20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 25.780684][ T610] RAX: ffffffffffffffda RBX: 00007fff4707e5e8 RCX: 00007f4dc67b354e [ 25.780685][ T610] RDX: 0000000000000000 RSI: 00007fff4707ded0 RDI: 0000000000000005 [ 25.780686][ T610] RBP: 00007fff4707de30 R08: 0000000000000000 R09: 0000000000000000 [ 25.780687][ T610] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e2b [ 25.780688][ T610] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4707e5a0 | [ 26.937327][ T647] softirqs last disabled at (17225): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 26.937330][ T647] Preemption disabled at: | [ 26.937330][ T647] vprintk_emit (kernel/printk/printk.c:2471) | [ 26.937339][ T647] Tainted: [W]=WARN [ 26.937340][ T647] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.937342][ T647] Call Trace: [ 26.937343][ T647] [ 26.937345][ T647] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.937352][ T647] ? vprintk_emit (kernel/printk/printk.c:2471) [ 26.937354][ T647] __might_resched.cold (kernel/sched/core.c:9234) [ 26.937359][ T647] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.937363][ T647] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.937367][ T647] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 26.937369][ T647] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.937376][ T647] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 26.937379][ T647] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.937383][ T647] put_chars (drivers/char/virtio_console.c:1176) [ 26.937385][ T647] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.937392][ T647] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.937400][ T647] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.937403][ T647] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.937410][ T647] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.937414][ T647] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.937416][ T647] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 26.937419][ T647] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.937422][ T647] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.937426][ T647] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.937431][ T647] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.937433][ T647] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.937438][ T647] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.937441][ T647] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.937444][ T647] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.937445][ T647] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 26.937449][ T647] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.937451][ T647] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.937454][ T647] vprintk_emit (kernel/printk/printk.c:2479) [ 26.937457][ T647] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.937460][ T647] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 26.937465][ T647] _printk (kernel/printk/printk.c:2504) [ 26.937469][ T647] ? snapshot_read.cold (user.c:?) [ 26.937471][ T647] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.937473][ T647] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.937476][ T647] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.937479][ T647] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 26.937482][ T647] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 26.937485][ T647] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 26.937488][ T647] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 26.937491][ T647] ? netdev_notice (net/core/dev.c:13194) [ 26.937493][ T647] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.937497][ T647] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.937499][ T647] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 26.937503][ T647] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 26.937505][ T647] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 26.937507][ T647] ? register_netdev (net/core/dev.c:11618) [ 26.937510][ T647] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 26.937516][ T647] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 26.937519][ T647] ? __kernel_text_address (kernel/extable.c:79) [ 26.937522][ T647] ? write_profile (profile.c:?) [ 26.937526][ T647] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 26.937532][ T647] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 26.937535][ T647] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 26.937537][ T647] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 26.937539][ T647] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 26.937541][ T647] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 26.937544][ T647] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.937546][ T647] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.937548][ T647] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.937551][ T647] ? kasan_save_stack (mm/kasan/common.c:58) [ 26.937553][ T647] ? kasan_save_stack (mm/kasan/common.c:57) [ 26.937554][ T647] ? kasan_save_track (mm/kasan/common.c:78) [ 26.937555][ T647] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 26.937558][ T647] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.937560][ T647] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 26.937563][ T647] ? ___sys_sendmsg (net/socket.c:2758) [ 26.937567][ T647] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.937569][ T647] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 26.937571][ T647] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.937573][ T647] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.937575][ T647] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.937576][ T647] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.937578][ T647] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 26.937580][ T647] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 26.937582][ T647] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 26.937584][ T647] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 26.937587][ T647] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 26.937589][ T647] ? nla_get_range_signed (lib/nlattr.c:270) [ 26.937594][ T647] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.937596][ T647] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 26.937601][ T647] rtnl_newlink (net/core/rtnetlink.c:4215) [ 26.937607][ T647] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.937609][ T647] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.937614][ T647] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.937616][ T647] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.937618][ T647] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.937619][ T647] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.937623][ T647] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.937626][ T647] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 26.937629][ T647] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.937630][ T647] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.937635][ T647] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.937637][ T647] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.937641][ T647] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 26.937644][ T647] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.937647][ T647] ? netlink_ack (./include/linux/skbuff.h:2718) [ 26.937653][ T647] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 26.937656][ T647] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 26.937660][ T647] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 26.937664][ T647] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 26.937667][ T647] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.937671][ T647] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 26.937676][ T647] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 26.937680][ T647] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.937681][ T647] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 26.937687][ T647] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 26.937690][ T647] ____sys_sendmsg (net/socket.c:2713) [ 26.937692][ T647] ? copy_msghdr_from_user (net/socket.c:2650) [ 26.937694][ T647] ? sock_write_iter (net/socket.c:1269) [ 26.937696][ T647] ? move_addr_to_kernel (net/socket.c:258) [ 26.937704][ T647] ___sys_sendmsg (net/socket.c:2767) [ 26.937707][ T647] ? copy_msghdr_from_user (net/socket.c:2619) [ 26.937723][ T647] __sys_sendmsg (net/socket.c:2799) [ 26.937726][ T647] ? __sys_sendmsg_sock (net/socket.c:2780) [ 26.937733][ T647] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.937736][ T647] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 26.937739][ T647] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 26.937742][ T647] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.937744][ T647] RIP: 0033:0x7fd30eef554e [ 26.937748][ T647] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 26.937750][ T647] RSP: 002b:00007ffc5cc3c390 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 26.937753][ T647] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd30eef554e [ 26.937754][ T647] RDX: 0000000000000000 RSI: 00007ffc5cc3c440 RDI: 0000000000000005 [ 26.937755][ T647] RBP: 00007ffc5cc3c3a0 R08: 0000000000000000 R09: 0000000000000000 [ 26.937756][ T647] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e2c [ 26.937757][ T647] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5cc3cb00 | [ 28.863687][ T713] softirqs last disabled at (17384): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 28.863689][ T713] Preemption disabled at: | [ 28.863690][ T713] vprintk_emit (kernel/printk/printk.c:2471) | [ 28.863698][ T713] Tainted: [W]=WARN [ 28.863699][ T713] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.863701][ T713] Call Trace: [ 28.863702][ T713] [ 28.863704][ T713] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 28.863711][ T713] ? vprintk_emit (kernel/printk/printk.c:2471) [ 28.863712][ T713] __might_resched.cold (kernel/sched/core.c:9234) [ 28.863717][ T713] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 28.863723][ T713] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 28.863729][ T713] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 28.863733][ T713] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.863742][ T713] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 28.863745][ T713] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.863749][ T713] put_chars (drivers/char/virtio_console.c:1176) [ 28.863752][ T713] ? __send_to_port (drivers/char/virtio_console.c:654) [ 28.863753][ T713] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 28.863757][ T713] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 28.863760][ T713] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 28.863765][ T713] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 28.863769][ T713] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.863774][ T713] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 28.863778][ T713] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.863782][ T713] console_emit_next_record (kernel/printk/printk.c:3183) [ 28.863787][ T713] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 28.863789][ T713] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 28.863792][ T713] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.863794][ T713] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.863798][ T713] console_flush_one_record (kernel/printk/printk.c:3268) [ 28.863803][ T713] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 28.863805][ T713] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.863810][ T713] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 28.863813][ T713] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 28.863815][ T713] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.863817][ T713] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 28.863821][ T713] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 28.863823][ T713] ? vprintk_emit (kernel/printk/printk.c:2478) [ 28.863826][ T713] vprintk_emit (kernel/printk/printk.c:2479) [ 28.863829][ T713] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 28.863831][ T713] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 28.863834][ T713] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 28.863837][ T713] _printk (kernel/printk/printk.c:2504) [ 28.863841][ T713] ? snapshot_read.cold (user.c:?) [ 28.863845][ T713] ? br_multicast_flood (??:?) [ 28.863848][ T713] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 28.863850][ T713] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 28.863851][ T713] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 28.863855][ T713] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 28.863860][ T713] br_init_port (net/bridge/br_stp_if.c:39) [ 28.863862][ T713] new_nbp (net/bridge/br_if.c:449) [ 28.863866][ T713] br_add_if (net/bridge/br_if.c:592) [ 28.863868][ T713] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 28.863877][ T713] do_set_master (net/core/rtnetlink.c:3071) [ 28.863881][ T713] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 28.863884][ T713] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 28.863886][ T713] ? __dev_get_by_name (net/core/dev.c:905) [ 28.863888][ T713] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 28.863898][ T713] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 28.863905][ T713] rtnl_newlink (net/core/rtnetlink.c:4215) [ 28.863911][ T713] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 28.863913][ T713] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.863920][ T713] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 28.863924][ T713] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 28.863926][ T713] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 28.863930][ T713] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 28.863931][ T713] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.863936][ T713] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.863938][ T713] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 28.863942][ T713] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 28.863945][ T713] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 28.863949][ T713] ? netlink_ack (./include/linux/skbuff.h:2718) [ 28.863955][ T713] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 28.863957][ T713] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 28.863962][ T713] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 28.863966][ T713] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 28.863973][ T713] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 28.863977][ T713] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 28.863981][ T713] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 28.863987][ T713] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 28.863993][ T713] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 28.863997][ T713] ____sys_sendmsg (net/socket.c:2713) [ 28.863999][ T713] ? copy_msghdr_from_user (net/socket.c:2650) [ 28.864002][ T713] ? sock_write_iter (net/socket.c:1269) [ 28.864003][ T713] ? move_addr_to_kernel (net/socket.c:258) [ 28.864008][ T713] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 28.864011][ T713] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 28.864015][ T713] ___sys_sendmsg (net/socket.c:2767) [ 28.864017][ T713] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 28.864019][ T713] ? copy_msghdr_from_user (net/socket.c:2619) [ 28.864022][ T713] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 28.864038][ T713] __sys_sendmsg (net/socket.c:2799) [ 28.864041][ T713] ? __sys_sendmsg_sock (net/socket.c:2780) [ 28.864047][ T713] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.864049][ T713] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.864052][ T713] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 28.864056][ T713] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 28.864059][ T713] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 28.864061][ T713] RIP: 0033:0x7fdfd820254e [ 28.864065][ T713] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 28.864067][ T713] RSP: 002b:00007ffe15ebf000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 28.864070][ T713] RAX: ffffffffffffffda RBX: 00007ffe15ebf7c8 RCX: 00007fdfd820254e [ 28.864071][ T713] RDX: 0000000000000000 RSI: 00007ffe15ebf0b0 RDI: 0000000000000005 [ 28.864072][ T713] RBP: 00007ffe15ebf010 R08: 0000000000000000 R09: 0000000000000000 [ 28.864073][ T713] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e2e [ 28.864074][ T713] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe15ebf780 | [ 35.943310][ T69] softirqs last disabled at (316807): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 35.943313][ T69] Preemption disabled at: | [ 35.943313][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 35.943322][ T69] Tainted: [W]=WARN [ 35.943323][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.943325][ T69] Workqueue: netns cleanup_net [ 35.943328][ T69] Call Trace: [ 35.943329][ T69] [ 35.943332][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.943338][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 35.943339][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 35.943344][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.943348][ T69] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 35.943352][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 35.943354][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.943361][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 35.943364][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.943368][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 35.943370][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.943371][ T69] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.943375][ T69] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.943378][ T69] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 35.943381][ T69] ? __schedule (kernel/sched/core.c:7277) [ 35.943387][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.943391][ T69] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.943397][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.943400][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.943405][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.943409][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.943411][ T69] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 35.943414][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.943416][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.943420][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.943425][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.943427][ T69] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.943432][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.943435][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.943437][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.943439][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 35.943443][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.943445][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.943448][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 35.943451][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.943452][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 35.943454][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 35.943456][ T69] ? kthread (kernel/kthread.c:436) [ 35.943459][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 35.943462][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 35.943466][ T69] _printk (kernel/printk/printk.c:2504) [ 35.943470][ T69] ? snapshot_read.cold (user.c:?) [ 35.943474][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 35.943478][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 35.943482][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 35.943485][ T69] ? netdev_notice (net/core/dev.c:13194) [ 35.943489][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.943491][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 35.943494][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 35.943496][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 35.943498][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 35.943502][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 35.943506][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 35.943512][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 35.943516][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 35.943520][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 35.943523][ T69] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 35.943526][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 35.943528][ T69] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.943531][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 35.943536][ T69] cleanup_net (net/core/net_namespace.c:706) [ 35.943540][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 35.943544][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.943546][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.943549][ T69] process_one_work (kernel/workqueue.c:3387) [ 35.943556][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 35.943559][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.943567][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 35.943571][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 35.943573][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 35.943576][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 35.943579][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 35.943581][ T69] kthread (kernel/kthread.c:436) [ 35.943583][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 35.943586][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 35.943589][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 35.943592][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 35.943595][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 35.943599][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 35.943602][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 37.121777][ T863] softirqs last disabled at (21540): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 37.121780][ T863] Preemption disabled at: | [ 37.121780][ T863] vprintk_emit (kernel/printk/printk.c:2471) | [ 37.121788][ T863] Tainted: [W]=WARN [ 37.121789][ T863] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.121791][ T863] Call Trace: [ 37.121793][ T863] [ 37.121794][ T863] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 37.121800][ T863] ? vprintk_emit (kernel/printk/printk.c:2471) [ 37.121802][ T863] __might_resched.cold (kernel/sched/core.c:9234) [ 37.121806][ T863] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 37.121811][ T863] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 37.121815][ T863] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 37.121817][ T863] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.121824][ T863] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 37.121826][ T863] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.121830][ T863] put_chars (drivers/char/virtio_console.c:1176) [ 37.121833][ T863] ? __send_to_port (drivers/char/virtio_console.c:654) [ 37.121839][ T863] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 37.121847][ T863] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 37.121850][ T863] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.121854][ T863] console_emit_next_record (kernel/printk/printk.c:3183) [ 37.121858][ T863] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 37.121860][ T863] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 37.121864][ T863] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.121866][ T863] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.121870][ T863] console_flush_one_record (kernel/printk/printk.c:3268) [ 37.121874][ T863] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 37.121876][ T863] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.121882][ T863] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 37.121884][ T863] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 37.121886][ T863] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.121888][ T863] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 37.121892][ T863] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 37.121893][ T863] ? vprintk_emit (kernel/printk/printk.c:2478) [ 37.121896][ T863] vprintk_emit (kernel/printk/printk.c:2479) [ 37.121899][ T863] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 37.121902][ T863] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 37.121907][ T863] _printk (kernel/printk/printk.c:2504) [ 37.121911][ T863] ? snapshot_read.cold (user.c:?) [ 37.121913][ T863] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 37.121915][ T863] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.121918][ T863] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 37.121920][ T863] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 37.121924][ T863] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 37.121927][ T863] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 37.121929][ T863] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 37.121932][ T863] ? netdev_notice (net/core/dev.c:13194) [ 37.121935][ T863] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.121938][ T863] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 37.121941][ T863] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 37.121944][ T863] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 37.121946][ T863] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 37.121949][ T863] ? register_netdev (net/core/dev.c:11618) [ 37.121950][ T863] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 37.121956][ T863] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 37.121958][ T863] ? __kernel_text_address (kernel/extable.c:79) [ 37.121961][ T863] ? write_profile (profile.c:?) [ 37.121965][ T863] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 37.121971][ T863] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 37.121974][ T863] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 37.121976][ T863] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 37.121978][ T863] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 37.121980][ T863] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 37.121983][ T863] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 37.121985][ T863] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.121987][ T863] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 37.121989][ T863] ? kasan_save_stack (mm/kasan/common.c:58) [ 37.121991][ T863] ? kasan_save_stack (mm/kasan/common.c:57) [ 37.121992][ T863] ? kasan_save_track (mm/kasan/common.c:78) [ 37.121994][ T863] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 37.121996][ T863] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.121998][ T863] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 37.122001][ T863] ? ___sys_sendmsg (net/socket.c:2758) [ 37.122004][ T863] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.122006][ T863] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 37.122009][ T863] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.122011][ T863] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.122018][ T863] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.122019][ T863] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.122021][ T863] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 37.122023][ T863] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 37.122025][ T863] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 37.122027][ T863] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 37.122030][ T863] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 37.122031][ T863] ? nla_get_range_signed (lib/nlattr.c:270) [ 37.122036][ T863] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.122039][ T863] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 37.122044][ T863] rtnl_newlink (net/core/rtnetlink.c:4215) [ 37.122049][ T863] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 37.122051][ T863] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.122056][ T863] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.122058][ T863] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.122059][ T863] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 37.122061][ T863] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 37.122065][ T863] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 37.122067][ T863] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 37.122070][ T863] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 37.122072][ T863] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.122076][ T863] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.122078][ T863] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.122082][ T863] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 37.122085][ T863] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 37.122088][ T863] ? netlink_ack (./include/linux/skbuff.h:2718) [ 37.122094][ T863] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 37.122096][ T863] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 37.122101][ T863] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 37.122105][ T863] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 37.122107][ T863] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.122112][ T863] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 37.122116][ T863] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 37.122119][ T863] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 37.122121][ T863] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 37.122126][ T863] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 37.122129][ T863] ____sys_sendmsg (net/socket.c:2713) [ 37.122131][ T863] ? copy_msghdr_from_user (net/socket.c:2650) [ 37.122134][ T863] ? sock_write_iter (net/socket.c:1269) [ 37.122135][ T863] ? move_addr_to_kernel (net/socket.c:258) [ 37.122143][ T863] ___sys_sendmsg (net/socket.c:2767) [ 37.122145][ T863] ? copy_msghdr_from_user (net/socket.c:2619) [ 37.122161][ T863] __sys_sendmsg (net/socket.c:2799) [ 37.122164][ T863] ? __sys_sendmsg_sock (net/socket.c:2780) [ 37.122170][ T863] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.122173][ T863] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 37.122176][ T863] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 37.122182][ T863] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 37.122184][ T863] RIP: 0033:0x7effd6f6154e [ 37.122188][ T863] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 37.122190][ T863] RSP: 002b:00007ffe98123330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 37.122193][ T863] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007effd6f6154e [ 37.122194][ T863] RDX: 0000000000000000 RSI: 00007ffe981233e0 RDI: 0000000000000005 [ 37.122195][ T863] RBP: 00007ffe98123340 R08: 0000000000000000 R09: 0000000000000000 [ 37.122196][ T863] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e36 [ 37.122197][ T863] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe98123aa0 | [ 39.005594][ T938] softirqs last disabled at (28888): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 39.005596][ T938] Preemption disabled at: | [ 39.005597][ T938] vprintk_emit (kernel/printk/printk.c:2471) | [ 39.005605][ T938] Tainted: [W]=WARN [ 39.005606][ T938] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.005608][ T938] Call Trace: [ 39.005610][ T938] [ 39.005611][ T938] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 39.005618][ T938] ? vprintk_emit (kernel/printk/printk.c:2471) [ 39.005620][ T938] __might_resched.cold (kernel/sched/core.c:9234) [ 39.005625][ T938] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 39.005630][ T938] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 39.005634][ T938] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 39.005636][ T938] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.005642][ T938] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 39.005645][ T938] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.005649][ T938] put_chars (drivers/char/virtio_console.c:1176) [ 39.005652][ T938] ? __send_to_port (drivers/char/virtio_console.c:654) [ 39.005653][ T938] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 39.005657][ T938] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 39.005660][ T938] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 39.005665][ T938] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 39.005669][ T938] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.005675][ T938] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 39.005678][ T938] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.005683][ T938] console_emit_next_record (kernel/printk/printk.c:3183) [ 39.005687][ T938] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 39.005689][ T938] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 39.005692][ T938] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.005694][ T938] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.005698][ T938] console_flush_one_record (kernel/printk/printk.c:3268) [ 39.005703][ T938] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 39.005705][ T938] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.005710][ T938] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 39.005713][ T938] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 39.005715][ T938] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.005717][ T938] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 39.005721][ T938] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 39.005723][ T938] ? vprintk_emit (kernel/printk/printk.c:2478) [ 39.005725][ T938] vprintk_emit (kernel/printk/printk.c:2479) [ 39.005729][ T938] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 39.005731][ T938] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.005734][ T938] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 39.005737][ T938] _printk (kernel/printk/printk.c:2504) [ 39.005741][ T938] ? snapshot_read.cold (user.c:?) [ 39.005745][ T938] ? br_multicast_flood (??:?) [ 39.005748][ T938] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 39.005750][ T938] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 39.005751][ T938] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 39.005755][ T938] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 39.005760][ T938] br_init_port (net/bridge/br_stp_if.c:39) [ 39.005762][ T938] new_nbp (net/bridge/br_if.c:449) [ 39.005766][ T938] br_add_if (net/bridge/br_if.c:592) [ 39.005768][ T938] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 39.005776][ T938] do_set_master (net/core/rtnetlink.c:3071) [ 39.005780][ T938] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 39.005784][ T938] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 39.005786][ T938] ? __dev_get_by_name (net/core/dev.c:905) [ 39.005788][ T938] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 39.005797][ T938] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 39.005804][ T938] rtnl_newlink (net/core/rtnetlink.c:4215) [ 39.005810][ T938] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 39.005812][ T938] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.005819][ T938] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.005823][ T938] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 39.005825][ T938] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 39.005828][ T938] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 39.005829][ T938] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.005834][ T938] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.005836][ T938] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 39.005840][ T938] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 39.005844][ T938] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 39.005847][ T938] ? netlink_ack (./include/linux/skbuff.h:2718) [ 39.005853][ T938] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 39.005855][ T938] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 39.005860][ T938] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 39.005864][ T938] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 39.005870][ T938] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 39.005874][ T938] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 39.005878][ T938] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.005880][ T938] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 39.005886][ T938] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 39.005890][ T938] ____sys_sendmsg (net/socket.c:2713) [ 39.005892][ T938] ? copy_msghdr_from_user (net/socket.c:2650) [ 39.005895][ T938] ? sock_write_iter (net/socket.c:1269) [ 39.005896][ T938] ? move_addr_to_kernel (net/socket.c:258) [ 39.005901][ T938] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 39.005904][ T938] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 39.005908][ T938] ___sys_sendmsg (net/socket.c:2767) [ 39.005909][ T938] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 39.005912][ T938] ? copy_msghdr_from_user (net/socket.c:2619) [ 39.005914][ T938] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 39.005930][ T938] __sys_sendmsg (net/socket.c:2799) [ 39.005933][ T938] ? __sys_sendmsg_sock (net/socket.c:2780) [ 39.005939][ T938] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.005941][ T938] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.005944][ T938] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 39.005948][ T938] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 39.005951][ T938] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 39.005953][ T938] RIP: 0033:0x7f4fbca8254e [ 39.005957][ T938] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 39.005959][ T938] RSP: 002b:00007fff97522440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 39.005962][ T938] RAX: ffffffffffffffda RBX: 00007fff97522c08 RCX: 00007f4fbca8254e [ 39.005963][ T938] RDX: 0000000000000000 RSI: 00007fff975224f0 RDI: 0000000000000005 [ 39.005964][ T938] RBP: 00007fff97522450 R08: 0000000000000000 R09: 0000000000000000 [ 39.005965][ T938] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e38 [ 39.005966][ T938] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff97522bc0 | [ 40.122136][ T975] softirqs last disabled at (16200): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 40.122139][ T975] Preemption disabled at: | [ 40.122140][ T975] vprintk_emit (kernel/printk/printk.c:2471) | [ 40.122148][ T975] Tainted: [W]=WARN [ 40.122149][ T975] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.122151][ T975] Call Trace: [ 40.122152][ T975] [ 40.122154][ T975] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 40.122160][ T975] ? vprintk_emit (kernel/printk/printk.c:2471) [ 40.122162][ T975] __might_resched.cold (kernel/sched/core.c:9234) [ 40.122166][ T975] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 40.122170][ T975] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 40.122175][ T975] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 40.122177][ T975] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.122186][ T975] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 40.122189][ T975] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.122193][ T975] put_chars (drivers/char/virtio_console.c:1176) [ 40.122195][ T975] ? __send_to_port (drivers/char/virtio_console.c:654) [ 40.122202][ T975] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 40.122209][ T975] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 40.122212][ T975] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.122217][ T975] console_emit_next_record (kernel/printk/printk.c:3183) [ 40.122221][ T975] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 40.122223][ T975] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 40.122227][ T975] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.122229][ T975] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.122233][ T975] console_flush_one_record (kernel/printk/printk.c:3268) [ 40.122237][ T975] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 40.122239][ T975] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.122244][ T975] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 40.122247][ T975] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 40.122249][ T975] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.122251][ T975] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 40.122254][ T975] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 40.122256][ T975] ? vprintk_emit (kernel/printk/printk.c:2478) [ 40.122259][ T975] vprintk_emit (kernel/printk/printk.c:2479) [ 40.122262][ T975] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 40.122265][ T975] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 40.122270][ T975] _printk (kernel/printk/printk.c:2504) [ 40.122274][ T975] ? snapshot_read.cold (user.c:?) [ 40.122275][ T975] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 40.122278][ T975] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 40.122281][ T975] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 40.122283][ T975] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 40.122287][ T975] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 40.122289][ T975] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 40.122292][ T975] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 40.122294][ T975] ? netdev_notice (net/core/dev.c:13194) [ 40.122297][ T975] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 40.122300][ T975] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 40.122303][ T975] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 40.122306][ T975] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 40.122308][ T975] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 40.122310][ T975] ? register_netdev (net/core/dev.c:11618) [ 40.122312][ T975] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 40.122317][ T975] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 40.122319][ T975] ? __kernel_text_address (kernel/extable.c:79) [ 40.122322][ T975] ? write_profile (profile.c:?) [ 40.122326][ T975] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 40.122332][ T975] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 40.122335][ T975] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 40.122337][ T975] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 40.122338][ T975] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 40.122340][ T975] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 40.122344][ T975] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 40.122346][ T975] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 40.122347][ T975] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 40.122350][ T975] ? kasan_save_stack (mm/kasan/common.c:58) [ 40.122352][ T975] ? kasan_save_stack (mm/kasan/common.c:57) [ 40.122353][ T975] ? kasan_save_track (mm/kasan/common.c:78) [ 40.122354][ T975] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 40.122356][ T975] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.122358][ T975] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 40.122361][ T975] ? ___sys_sendmsg (net/socket.c:2758) [ 40.122365][ T975] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.122367][ T975] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 40.122370][ T975] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.122371][ T975] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.122373][ T975] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.122374][ T975] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.122376][ T975] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 40.122378][ T975] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 40.122379][ T975] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 40.122381][ T975] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 40.122385][ T975] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 40.122386][ T975] ? nla_get_range_signed (lib/nlattr.c:270) [ 40.122391][ T975] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.122393][ T975] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 40.122398][ T975] rtnl_newlink (net/core/rtnetlink.c:4215) [ 40.122403][ T975] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 40.122405][ T975] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.122409][ T975] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.122411][ T975] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 40.122413][ T975] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 40.122415][ T975] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 40.122419][ T975] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 40.122421][ T975] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 40.122424][ T975] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 40.122425][ T975] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.122429][ T975] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.122431][ T975] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 40.122435][ T975] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 40.122438][ T975] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 40.122441][ T975] ? netlink_ack (./include/linux/skbuff.h:2718) [ 40.122447][ T975] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 40.122449][ T975] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 40.122453][ T975] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 40.122457][ T975] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 40.122460][ T975] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 40.122464][ T975] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 40.122468][ T975] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 40.122472][ T975] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 40.122473][ T975] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 40.122478][ T975] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 40.122481][ T975] ____sys_sendmsg (net/socket.c:2713) [ 40.122483][ T975] ? copy_msghdr_from_user (net/socket.c:2650) [ 40.122486][ T975] ? sock_write_iter (net/socket.c:1269) [ 40.122487][ T975] ? move_addr_to_kernel (net/socket.c:258) [ 40.122494][ T975] ___sys_sendmsg (net/socket.c:2767) [ 40.122497][ T975] ? copy_msghdr_from_user (net/socket.c:2619) [ 40.122513][ T975] __sys_sendmsg (net/socket.c:2799) [ 40.122515][ T975] ? __sys_sendmsg_sock (net/socket.c:2780) [ 40.122522][ T975] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.122525][ T975] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 40.122528][ T975] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 40.122530][ T975] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 40.122532][ T975] RIP: 0033:0x7fb259f5f54e [ 40.122537][ T975] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 40.122538][ T975] RSP: 002b:00007ffd4a682d20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 40.122541][ T975] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb259f5f54e [ 40.122543][ T975] RDX: 0000000000000000 RSI: 00007ffd4a682dd0 RDI: 0000000000000005 [ 40.122544][ T975] RBP: 00007ffd4a682d30 R08: 0000000000000000 R09: 0000000000000000 [ 40.122544][ T975] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e39 [ 40.122545][ T975] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4a683490 | [ 42.094172][ T1041] softirqs last disabled at (23418): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 42.094174][ T1041] Preemption disabled at: | [ 42.094175][ T1041] vprintk_emit (kernel/printk/printk.c:2471) | [ 42.094185][ T1041] Tainted: [W]=WARN [ 42.094186][ T1041] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.094188][ T1041] Call Trace: [ 42.094190][ T1041] [ 42.094191][ T1041] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 42.094198][ T1041] ? vprintk_emit (kernel/printk/printk.c:2471) [ 42.094199][ T1041] __might_resched.cold (kernel/sched/core.c:9234) [ 42.094204][ T1041] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 42.094208][ T1041] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 42.094212][ T1041] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 42.094214][ T1041] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.094221][ T1041] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 42.094224][ T1041] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.094227][ T1041] put_chars (drivers/char/virtio_console.c:1176) [ 42.094230][ T1041] ? __send_to_port (drivers/char/virtio_console.c:654) [ 42.094231][ T1041] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 42.094235][ T1041] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 42.094238][ T1041] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 42.094243][ T1041] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 42.094247][ T1041] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.094252][ T1041] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 42.094255][ T1041] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.094260][ T1041] console_emit_next_record (kernel/printk/printk.c:3183) [ 42.094264][ T1041] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 42.094266][ T1041] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 42.094269][ T1041] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.094270][ T1041] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.094274][ T1041] console_flush_one_record (kernel/printk/printk.c:3268) [ 42.094279][ T1041] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 42.094281][ T1041] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.094286][ T1041] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 42.094289][ T1041] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 42.094291][ T1041] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.094292][ T1041] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 42.094296][ T1041] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 42.094298][ T1041] ? vprintk_emit (kernel/printk/printk.c:2478) [ 42.094301][ T1041] vprintk_emit (kernel/printk/printk.c:2479) [ 42.094304][ T1041] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 42.094306][ T1041] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 42.094308][ T1041] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 42.094312][ T1041] _printk (kernel/printk/printk.c:2504) [ 42.094316][ T1041] ? snapshot_read.cold (user.c:?) [ 42.094319][ T1041] ? br_multicast_flood (??:?) [ 42.094323][ T1041] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 42.094324][ T1041] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 42.094325][ T1041] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 42.094329][ T1041] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 42.094334][ T1041] br_init_port (net/bridge/br_stp_if.c:39) [ 42.094336][ T1041] new_nbp (net/bridge/br_if.c:449) [ 42.094340][ T1041] br_add_if (net/bridge/br_if.c:592) [ 42.094342][ T1041] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 42.094350][ T1041] do_set_master (net/core/rtnetlink.c:3071) [ 42.094354][ T1041] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 42.094357][ T1041] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 42.094359][ T1041] ? __dev_get_by_name (net/core/dev.c:905) [ 42.094361][ T1041] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 42.094370][ T1041] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 42.094377][ T1041] rtnl_newlink (net/core/rtnetlink.c:4215) [ 42.094382][ T1041] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.094384][ T1041] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.094391][ T1041] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 42.094395][ T1041] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.094397][ T1041] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 42.094400][ T1041] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 42.094401][ T1041] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.094406][ T1041] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.094408][ T1041] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.094412][ T1041] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 42.094415][ T1041] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 42.094418][ T1041] ? netlink_ack (./include/linux/skbuff.h:2718) [ 42.094425][ T1041] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 42.094426][ T1041] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 42.094431][ T1041] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 42.094435][ T1041] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 42.094441][ T1041] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 42.094445][ T1041] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 42.094448][ T1041] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 42.094450][ T1041] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 42.094456][ T1041] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 42.094460][ T1041] ____sys_sendmsg (net/socket.c:2713) [ 42.094462][ T1041] ? copy_msghdr_from_user (net/socket.c:2650) [ 42.094465][ T1041] ? sock_write_iter (net/socket.c:1269) [ 42.094466][ T1041] ? move_addr_to_kernel (net/socket.c:258) [ 42.094471][ T1041] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 42.094474][ T1041] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.094477][ T1041] ___sys_sendmsg (net/socket.c:2767) [ 42.094479][ T1041] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 42.094482][ T1041] ? copy_msghdr_from_user (net/socket.c:2619) [ 42.094484][ T1041] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 42.094499][ T1041] __sys_sendmsg (net/socket.c:2799) [ 42.094502][ T1041] ? __sys_sendmsg_sock (net/socket.c:2780) [ 42.094508][ T1041] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.094509][ T1041] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.094512][ T1041] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 42.094516][ T1041] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 42.094519][ T1041] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 42.094522][ T1041] RIP: 0033:0x7f647d8a054e [ 42.094525][ T1041] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 42.094527][ T1041] RSP: 002b:00007fff40989500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 42.094530][ T1041] RAX: ffffffffffffffda RBX: 00007fff40989cc8 RCX: 00007f647d8a054e [ 42.094531][ T1041] RDX: 0000000000000000 RSI: 00007fff409895b0 RDI: 0000000000000005 [ 42.094532][ T1041] RBP: 00007fff40989510 R08: 0000000000000000 R09: 0000000000000000 [ 42.094533][ T1041] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e3b [ 42.094534][ T1041] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff40989c80 | [ 49.207322][ T69] softirqs last disabled at (575932): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 49.207324][ T69] Preemption disabled at: | [ 49.207325][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 49.207335][ T69] Tainted: [W]=WARN [ 49.207335][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 49.207337][ T69] Workqueue: netns cleanup_net [ 49.207340][ T69] Call Trace: [ 49.207342][ T69] [ 49.207344][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 49.207350][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 49.207352][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 49.207357][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 49.207361][ T69] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 49.207365][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 49.207368][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.207374][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 49.207377][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.207381][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 49.207383][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 49.207385][ T69] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 49.207389][ T69] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 49.207392][ T69] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 49.207397][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 49.207401][ T69] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.207407][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 49.207410][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.207415][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 49.207419][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 49.207422][ T69] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 49.207425][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.207427][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.207431][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 49.207435][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 49.207438][ T69] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.207443][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 49.207446][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 49.207448][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.207450][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 49.207454][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 49.207456][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 49.207459][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 49.207462][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 49.207463][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 49.207465][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 49.207467][ T69] ? kthread (kernel/kthread.c:436) [ 49.207470][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 49.207472][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 49.207477][ T69] _printk (kernel/printk/printk.c:2504) [ 49.207481][ T69] ? snapshot_read.cold (user.c:?) [ 49.207486][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 49.207490][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 49.207494][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 49.207497][ T69] ? netdev_notice (net/core/dev.c:13194) [ 49.207501][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.207503][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 49.207506][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 49.207508][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 49.207511][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 49.207515][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 49.207519][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 49.207526][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 49.207530][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 49.207533][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 49.207537][ T69] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 49.207541][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 49.207543][ T69] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 49.207546][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 49.207551][ T69] cleanup_net (net/core/net_namespace.c:706) [ 49.207554][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 49.207558][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.207560][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.207564][ T69] process_one_work (kernel/workqueue.c:3387) [ 49.207571][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 49.207574][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 49.207582][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 49.207587][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.207589][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 49.207592][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.207595][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.207597][ T69] kthread (kernel/kthread.c:436) [ 49.207599][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 49.207602][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 49.207605][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 49.207608][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 49.207612][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 49.207616][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 49.207619][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 50.384271][ T1189] softirqs last disabled at (18318): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 50.384273][ T1189] Preemption disabled at: | [ 50.384274][ T1189] vprintk_emit (kernel/printk/printk.c:2471) | [ 50.384283][ T1189] Tainted: [W]=WARN [ 50.384284][ T1189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 50.384286][ T1189] Call Trace: [ 50.384287][ T1189] [ 50.384289][ T1189] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 50.384296][ T1189] ? vprintk_emit (kernel/printk/printk.c:2471) [ 50.384297][ T1189] __might_resched.cold (kernel/sched/core.c:9234) [ 50.384302][ T1189] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 50.384306][ T1189] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 50.384311][ T1189] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 50.384313][ T1189] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 50.384319][ T1189] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 50.384322][ T1189] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 50.384326][ T1189] put_chars (drivers/char/virtio_console.c:1176) [ 50.384329][ T1189] ? __send_to_port (drivers/char/virtio_console.c:654) [ 50.384335][ T1189] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 50.384343][ T1189] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 50.384346][ T1189] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.384351][ T1189] console_emit_next_record (kernel/printk/printk.c:3183) [ 50.384355][ T1189] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 50.384357][ T1189] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 50.384360][ T1189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.384363][ T1189] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.384367][ T1189] console_flush_one_record (kernel/printk/printk.c:3268) [ 50.384371][ T1189] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 50.384373][ T1189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.384379][ T1189] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 50.384382][ T1189] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 50.384383][ T1189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.384385][ T1189] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 50.384389][ T1189] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 50.384391][ T1189] ? vprintk_emit (kernel/printk/printk.c:2478) [ 50.384394][ T1189] vprintk_emit (kernel/printk/printk.c:2479) [ 50.384397][ T1189] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 50.384399][ T1189] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 50.384405][ T1189] _printk (kernel/printk/printk.c:2504) [ 50.384408][ T1189] ? snapshot_read.cold (user.c:?) [ 50.384410][ T1189] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 50.384413][ T1189] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 50.384415][ T1189] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 50.384417][ T1189] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 50.384421][ T1189] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 50.384424][ T1189] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 50.384427][ T1189] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 50.384429][ T1189] ? netdev_notice (net/core/dev.c:13194) [ 50.384432][ T1189] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 50.384435][ T1189] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 50.384438][ T1189] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 50.384442][ T1189] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 50.384444][ T1189] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 50.384446][ T1189] ? register_netdev (net/core/dev.c:11618) [ 50.384448][ T1189] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 50.384453][ T1189] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 50.384456][ T1189] ? __kernel_text_address (kernel/extable.c:79) [ 50.384458][ T1189] ? write_profile (profile.c:?) [ 50.384462][ T1189] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 50.384468][ T1189] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 50.384472][ T1189] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 50.384474][ T1189] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 50.384475][ T1189] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 50.384477][ T1189] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 50.384480][ T1189] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 50.384482][ T1189] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 50.384484][ T1189] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 50.384487][ T1189] ? kasan_save_stack (mm/kasan/common.c:58) [ 50.384489][ T1189] ? kasan_save_stack (mm/kasan/common.c:57) [ 50.384490][ T1189] ? kasan_save_track (mm/kasan/common.c:78) [ 50.384491][ T1189] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 50.384493][ T1189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.384495][ T1189] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 50.384498][ T1189] ? ___sys_sendmsg (net/socket.c:2758) [ 50.384502][ T1189] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 50.384505][ T1189] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 50.384507][ T1189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.384509][ T1189] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.384510][ T1189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.384512][ T1189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.384513][ T1189] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 50.384516][ T1189] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 50.384517][ T1189] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 50.384519][ T1189] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 50.384523][ T1189] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 50.384524][ T1189] ? nla_get_range_signed (lib/nlattr.c:270) [ 50.384529][ T1189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.384531][ T1189] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 50.384538][ T1189] rtnl_newlink (net/core/rtnetlink.c:4215) [ 50.384544][ T1189] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 50.384545][ T1189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.384550][ T1189] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 50.384552][ T1189] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 50.384554][ T1189] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 50.384556][ T1189] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 50.384560][ T1189] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 50.384562][ T1189] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 50.384565][ T1189] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 50.384566][ T1189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.384571][ T1189] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 50.384573][ T1189] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 50.384576][ T1189] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 50.384580][ T1189] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 50.384583][ T1189] ? netlink_ack (./include/linux/skbuff.h:2718) [ 50.384589][ T1189] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 50.384591][ T1189] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 50.384596][ T1189] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 50.384600][ T1189] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 50.384602][ T1189] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 50.384607][ T1189] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 50.384611][ T1189] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 50.384615][ T1189] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 50.384616][ T1189] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 50.384622][ T1189] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 50.384625][ T1189] ____sys_sendmsg (net/socket.c:2713) [ 50.384627][ T1189] ? copy_msghdr_from_user (net/socket.c:2650) [ 50.384629][ T1189] ? sock_write_iter (net/socket.c:1269) [ 50.384631][ T1189] ? move_addr_to_kernel (net/socket.c:258) [ 50.384638][ T1189] ___sys_sendmsg (net/socket.c:2767) [ 50.384641][ T1189] ? copy_msghdr_from_user (net/socket.c:2619) [ 50.384658][ T1189] __sys_sendmsg (net/socket.c:2799) [ 50.384661][ T1189] ? __sys_sendmsg_sock (net/socket.c:2780) [ 50.384667][ T1189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.384670][ T1189] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 50.384673][ T1189] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 50.384677][ T1189] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 50.384679][ T1189] RIP: 0033:0x7f0b5d52454e [ 50.384683][ T1189] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 50.384685][ T1189] RSP: 002b:00007ffc7ef981d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 50.384688][ T1189] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0b5d52454e [ 50.384689][ T1189] RDX: 0000000000000000 RSI: 00007ffc7ef98280 RDI: 0000000000000005 [ 50.384690][ T1189] RBP: 00007ffc7ef981e0 R08: 0000000000000000 R09: 0000000000000000 [ 50.384691][ T1189] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e43 [ 50.384691][ T1189] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7ef98940 | [ 52.304554][ T1263] softirqs last disabled at (20045): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 52.304556][ T1263] Preemption disabled at: | [ 52.304557][ T1263] vprintk_emit (kernel/printk/printk.c:2471) | [ 52.304566][ T1263] Tainted: [W]=WARN [ 52.304567][ T1263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 52.304568][ T1263] Call Trace: [ 52.304570][ T1263] [ 52.304571][ T1263] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 52.304578][ T1263] ? vprintk_emit (kernel/printk/printk.c:2471) [ 52.304579][ T1263] __might_resched.cold (kernel/sched/core.c:9234) [ 52.304584][ T1263] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 52.304588][ T1263] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 52.304592][ T1263] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 52.304594][ T1263] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.304601][ T1263] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 52.304604][ T1263] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.304608][ T1263] put_chars (drivers/char/virtio_console.c:1176) [ 52.304610][ T1263] ? __send_to_port (drivers/char/virtio_console.c:654) [ 52.304611][ T1263] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 52.304615][ T1263] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 52.304618][ T1263] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 52.304623][ T1263] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 52.304627][ T1263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.304632][ T1263] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 52.304635][ T1263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.304640][ T1263] console_emit_next_record (kernel/printk/printk.c:3183) [ 52.304644][ T1263] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 52.304646][ T1263] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 52.304649][ T1263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.304651][ T1263] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.304655][ T1263] console_flush_one_record (kernel/printk/printk.c:3268) [ 52.304659][ T1263] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 52.304661][ T1263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.304666][ T1263] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 52.304669][ T1263] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 52.304671][ T1263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.304673][ T1263] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 52.304677][ T1263] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 52.304678][ T1263] ? vprintk_emit (kernel/printk/printk.c:2478) [ 52.304681][ T1263] vprintk_emit (kernel/printk/printk.c:2479) [ 52.304684][ T1263] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 52.304686][ T1263] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.304689][ T1263] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 52.304692][ T1263] _printk (kernel/printk/printk.c:2504) [ 52.304696][ T1263] ? snapshot_read.cold (user.c:?) [ 52.304700][ T1263] ? br_multicast_flood (??:?) [ 52.304704][ T1263] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 52.304705][ T1263] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 52.304706][ T1263] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 52.304710][ T1263] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 52.304715][ T1263] br_init_port (net/bridge/br_stp_if.c:39) [ 52.304717][ T1263] new_nbp (net/bridge/br_if.c:449) [ 52.304721][ T1263] br_add_if (net/bridge/br_if.c:592) [ 52.304723][ T1263] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 52.304731][ T1263] do_set_master (net/core/rtnetlink.c:3071) [ 52.304735][ T1263] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 52.304738][ T1263] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 52.304740][ T1263] ? __dev_get_by_name (net/core/dev.c:905) [ 52.304742][ T1263] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 52.304751][ T1263] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 52.304758][ T1263] rtnl_newlink (net/core/rtnetlink.c:4215) [ 52.304763][ T1263] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 52.304765][ T1263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.304772][ T1263] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.304775][ T1263] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 52.304777][ T1263] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 52.304781][ T1263] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 52.304782][ T1263] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.304787][ T1263] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 52.304789][ T1263] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 52.304792][ T1263] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 52.304795][ T1263] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 52.304798][ T1263] ? netlink_ack (./include/linux/skbuff.h:2718) [ 52.304804][ T1263] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 52.304807][ T1263] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 52.304811][ T1263] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 52.304815][ T1263] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 52.304821][ T1263] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 52.304825][ T1263] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 52.304829][ T1263] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.304830][ T1263] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 52.304836][ T1263] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 52.304840][ T1263] ____sys_sendmsg (net/socket.c:2713) [ 52.304842][ T1263] ? copy_msghdr_from_user (net/socket.c:2650) [ 52.304844][ T1263] ? sock_write_iter (net/socket.c:1269) [ 52.304846][ T1263] ? move_addr_to_kernel (net/socket.c:258) [ 52.304850][ T1263] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 52.304853][ T1263] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 52.304857][ T1263] ___sys_sendmsg (net/socket.c:2767) [ 52.304859][ T1263] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 52.304861][ T1263] ? copy_msghdr_from_user (net/socket.c:2619) [ 52.304863][ T1263] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 52.304878][ T1263] __sys_sendmsg (net/socket.c:2799) [ 52.304882][ T1263] ? __sys_sendmsg_sock (net/socket.c:2780) [ 52.304887][ T1263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.304889][ T1263] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.304892][ T1263] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 52.304895][ T1263] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 52.304898][ T1263] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 52.304900][ T1263] RIP: 0033:0x7f8094a6454e [ 52.304905][ T1263] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 52.304906][ T1263] RSP: 002b:00007ffd51206f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 52.304909][ T1263] RAX: ffffffffffffffda RBX: 00007ffd51207728 RCX: 00007f8094a6454e [ 52.304910][ T1263] RDX: 0000000000000000 RSI: 00007ffd51207010 RDI: 0000000000000005 [ 52.304911][ T1263] RBP: 00007ffd51206f70 R08: 0000000000000000 R09: 0000000000000000 [ 52.304912][ T1263] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e45 [ 52.304913][ T1263] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd512076e0 | [ 53.497878][ T1300] softirqs last disabled at (21962): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 53.497881][ T1300] Preemption disabled at: | [ 53.497882][ T1300] vprintk_emit (kernel/printk/printk.c:2471) | [ 53.497890][ T1300] Tainted: [W]=WARN [ 53.497891][ T1300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 53.497893][ T1300] Call Trace: [ 53.497895][ T1300] [ 53.497896][ T1300] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 53.497903][ T1300] ? vprintk_emit (kernel/printk/printk.c:2471) [ 53.497905][ T1300] __might_resched.cold (kernel/sched/core.c:9234) [ 53.497909][ T1300] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 53.497914][ T1300] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 53.497923][ T1300] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 53.497925][ T1300] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 53.497932][ T1300] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 53.497934][ T1300] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 53.497938][ T1300] put_chars (drivers/char/virtio_console.c:1176) [ 53.497941][ T1300] ? __send_to_port (drivers/char/virtio_console.c:654) [ 53.497947][ T1300] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 53.497955][ T1300] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 53.497959][ T1300] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.497963][ T1300] console_emit_next_record (kernel/printk/printk.c:3183) [ 53.497968][ T1300] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 53.497970][ T1300] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 53.497973][ T1300] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.497976][ T1300] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.497980][ T1300] console_flush_one_record (kernel/printk/printk.c:3268) [ 53.497984][ T1300] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 53.497986][ T1300] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.497992][ T1300] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 53.497995][ T1300] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 53.497996][ T1300] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.497998][ T1300] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 53.498002][ T1300] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 53.498004][ T1300] ? vprintk_emit (kernel/printk/printk.c:2478) [ 53.498007][ T1300] vprintk_emit (kernel/printk/printk.c:2479) [ 53.498010][ T1300] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 53.498013][ T1300] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 53.498018][ T1300] _printk (kernel/printk/printk.c:2504) [ 53.498022][ T1300] ? snapshot_read.cold (user.c:?) [ 53.498024][ T1300] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 53.498026][ T1300] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 53.498029][ T1300] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 53.498031][ T1300] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 53.498035][ T1300] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 53.498038][ T1300] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 53.498041][ T1300] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 53.498044][ T1300] ? netdev_notice (net/core/dev.c:13194) [ 53.498047][ T1300] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 53.498050][ T1300] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 53.498052][ T1300] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 53.498056][ T1300] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 53.498058][ T1300] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 53.498060][ T1300] ? register_netdev (net/core/dev.c:11618) [ 53.498062][ T1300] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 53.498067][ T1300] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 53.498070][ T1300] ? __kernel_text_address (kernel/extable.c:79) [ 53.498072][ T1300] ? write_profile (profile.c:?) [ 53.498081][ T1300] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 53.498087][ T1300] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 53.498091][ T1300] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 53.498093][ T1300] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 53.498095][ T1300] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 53.498096][ T1300] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 53.498100][ T1300] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 53.498102][ T1300] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 53.498104][ T1300] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 53.498106][ T1300] ? kasan_save_stack (mm/kasan/common.c:58) [ 53.498108][ T1300] ? kasan_save_stack (mm/kasan/common.c:57) [ 53.498110][ T1300] ? kasan_save_track (mm/kasan/common.c:78) [ 53.498111][ T1300] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 53.498113][ T1300] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.498115][ T1300] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 53.498118][ T1300] ? ___sys_sendmsg (net/socket.c:2758) [ 53.498122][ T1300] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 53.498124][ T1300] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 53.498127][ T1300] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.498128][ T1300] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.498130][ T1300] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.498131][ T1300] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.498133][ T1300] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 53.498135][ T1300] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 53.498137][ T1300] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 53.498139][ T1300] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 53.498142][ T1300] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 53.498143][ T1300] ? nla_get_range_signed (lib/nlattr.c:270) [ 53.498149][ T1300] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.498151][ T1300] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 53.498156][ T1300] rtnl_newlink (net/core/rtnetlink.c:4215) [ 53.498162][ T1300] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 53.498164][ T1300] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.498168][ T1300] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 53.498170][ T1300] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 53.498172][ T1300] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 53.498174][ T1300] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 53.498178][ T1300] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 53.498182][ T1300] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 53.498185][ T1300] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 53.498187][ T1300] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.498191][ T1300] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 53.498193][ T1300] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 53.498197][ T1300] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 53.498200][ T1300] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 53.498203][ T1300] ? netlink_ack (./include/linux/skbuff.h:2718) [ 53.498210][ T1300] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 53.498212][ T1300] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 53.498216][ T1300] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 53.498221][ T1300] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 53.498223][ T1300] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 53.498228][ T1300] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 53.498232][ T1300] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 53.498236][ T1300] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 53.498237][ T1300] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 53.498243][ T1300] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 53.498246][ T1300] ____sys_sendmsg (net/socket.c:2713) [ 53.498248][ T1300] ? copy_msghdr_from_user (net/socket.c:2650) [ 53.498250][ T1300] ? sock_write_iter (net/socket.c:1269) [ 53.498252][ T1300] ? move_addr_to_kernel (net/socket.c:258) [ 53.498260][ T1300] ___sys_sendmsg (net/socket.c:2767) [ 53.498263][ T1300] ? copy_msghdr_from_user (net/socket.c:2619) [ 53.498279][ T1300] __sys_sendmsg (net/socket.c:2799) [ 53.498282][ T1300] ? __sys_sendmsg_sock (net/socket.c:2780) [ 53.498289][ T1300] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.498292][ T1300] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 53.498295][ T1300] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 53.498298][ T1300] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 53.498300][ T1300] RIP: 0033:0x7f7192ae254e [ 53.498304][ T1300] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 53.498306][ T1300] RSP: 002b:00007ffda97762b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 53.498308][ T1300] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f7192ae254e [ 53.498310][ T1300] RDX: 0000000000000000 RSI: 00007ffda9776360 RDI: 0000000000000005 [ 53.498311][ T1300] RBP: 00007ffda97762c0 R08: 0000000000000000 R09: 0000000000000000 [ 53.498312][ T1300] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e46 [ 53.498312][ T1300] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda9776a20 | [ 55.449099][ T1366] softirqs last disabled at (27010): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 55.449101][ T1366] Preemption disabled at: | [ 55.449102][ T1366] vprintk_emit (kernel/printk/printk.c:2471) | [ 55.449111][ T1366] Tainted: [W]=WARN [ 55.449112][ T1366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 55.449113][ T1366] Call Trace: [ 55.449115][ T1366] [ 55.449117][ T1366] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 55.449123][ T1366] ? vprintk_emit (kernel/printk/printk.c:2471) [ 55.449125][ T1366] __might_resched.cold (kernel/sched/core.c:9234) [ 55.449130][ T1366] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 55.449134][ T1366] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 55.449139][ T1366] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 55.449141][ T1366] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 55.449148][ T1366] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 55.449151][ T1366] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 55.449155][ T1366] put_chars (drivers/char/virtio_console.c:1176) [ 55.449157][ T1366] ? __send_to_port (drivers/char/virtio_console.c:654) [ 55.449159][ T1366] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 55.449162][ T1366] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 55.449165][ T1366] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 55.449171][ T1366] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 55.449175][ T1366] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 55.449182][ T1366] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 55.449186][ T1366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.449190][ T1366] console_emit_next_record (kernel/printk/printk.c:3183) [ 55.449195][ T1366] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 55.449197][ T1366] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 55.449200][ T1366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.449202][ T1366] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.449207][ T1366] console_flush_one_record (kernel/printk/printk.c:3268) [ 55.449211][ T1366] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 55.449213][ T1366] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 55.449219][ T1366] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 55.449222][ T1366] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 55.449224][ T1366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.449226][ T1366] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 55.449230][ T1366] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 55.449232][ T1366] ? vprintk_emit (kernel/printk/printk.c:2478) [ 55.449235][ T1366] vprintk_emit (kernel/printk/printk.c:2479) [ 55.449238][ T1366] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 55.449240][ T1366] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 55.449243][ T1366] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 55.449247][ T1366] _printk (kernel/printk/printk.c:2504) [ 55.449251][ T1366] ? snapshot_read.cold (user.c:?) [ 55.449254][ T1366] ? br_multicast_flood (??:?) [ 55.449257][ T1366] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 55.449259][ T1366] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 55.449260][ T1366] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 55.449265][ T1366] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 55.449269][ T1366] br_init_port (net/bridge/br_stp_if.c:39) [ 55.449272][ T1366] new_nbp (net/bridge/br_if.c:449) [ 55.449276][ T1366] br_add_if (net/bridge/br_if.c:592) [ 55.449278][ T1366] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 55.449286][ T1366] do_set_master (net/core/rtnetlink.c:3071) [ 55.449290][ T1366] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 55.449294][ T1366] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 55.449296][ T1366] ? __dev_get_by_name (net/core/dev.c:905) [ 55.449298][ T1366] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 55.449308][ T1366] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 55.449315][ T1366] rtnl_newlink (net/core/rtnetlink.c:4215) [ 55.449321][ T1366] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 55.449323][ T1366] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 55.449330][ T1366] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 55.449334][ T1366] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 55.449336][ T1366] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 55.449340][ T1366] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 55.449341][ T1366] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 55.449346][ T1366] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 55.449348][ T1366] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 55.449352][ T1366] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 55.449356][ T1366] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 55.449359][ T1366] ? netlink_ack (./include/linux/skbuff.h:2718) [ 55.449366][ T1366] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 55.449368][ T1366] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 55.449373][ T1366] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 55.449377][ T1366] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 55.449383][ T1366] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 55.449387][ T1366] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 55.449392][ T1366] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 55.449393][ T1366] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 55.449399][ T1366] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 55.449403][ T1366] ____sys_sendmsg (net/socket.c:2713) [ 55.449406][ T1366] ? copy_msghdr_from_user (net/socket.c:2650) [ 55.449408][ T1366] ? sock_write_iter (net/socket.c:1269) [ 55.449410][ T1366] ? move_addr_to_kernel (net/socket.c:258) [ 55.449415][ T1366] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 55.449417][ T1366] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 55.449421][ T1366] ___sys_sendmsg (net/socket.c:2767) [ 55.449423][ T1366] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 55.449426][ T1366] ? copy_msghdr_from_user (net/socket.c:2619) [ 55.449428][ T1366] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 55.449444][ T1366] __sys_sendmsg (net/socket.c:2799) [ 55.449448][ T1366] ? __sys_sendmsg_sock (net/socket.c:2780) [ 55.449454][ T1366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.449456][ T1366] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.449459][ T1366] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 55.449463][ T1366] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 55.449466][ T1366] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 55.449468][ T1366] RIP: 0033:0x7f932494d54e [ 55.449472][ T1366] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 55.449474][ T1366] RSP: 002b:00007ffcddd8cf60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 55.449477][ T1366] RAX: ffffffffffffffda RBX: 00007ffcddd8d728 RCX: 00007f932494d54e [ 55.449478][ T1366] RDX: 0000000000000000 RSI: 00007ffcddd8d010 RDI: 0000000000000005 [ 55.449479][ T1366] RBP: 00007ffcddd8cf70 R08: 0000000000000000 R09: 0000000000000000 [ 55.449480][ T1366] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e48 [ 55.449481][ T1366] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcddd8d6e0 | [ 62.698144][ T69] softirqs last disabled at (827940): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 62.698146][ T69] Preemption disabled at: | [ 62.698147][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 62.698156][ T69] Tainted: [W]=WARN [ 62.698157][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 62.698158][ T69] Workqueue: netns cleanup_net [ 62.698162][ T69] Call Trace: [ 62.698163][ T69] [ 62.698165][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 62.698171][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 62.698173][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 62.698181][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 62.698185][ T69] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 62.698189][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 62.698191][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 62.698198][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 62.698201][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 62.698205][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 62.698208][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 62.698209][ T69] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 62.698213][ T69] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 62.698216][ T69] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 62.698221][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 62.698225][ T69] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 62.698231][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 62.698234][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.698239][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 62.698243][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 62.698245][ T69] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 62.698248][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.698250][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.698254][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 62.698258][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 62.698260][ T69] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 62.698266][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 62.698269][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 62.698271][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.698273][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 62.698277][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 62.698279][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 62.698281][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 62.698285][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 62.698286][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 62.698288][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 62.698290][ T69] ? kthread (kernel/kthread.c:436) [ 62.698292][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 62.698295][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 62.698300][ T69] _printk (kernel/printk/printk.c:2504) [ 62.698304][ T69] ? snapshot_read.cold (user.c:?) [ 62.698308][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 62.698312][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 62.698316][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 62.698319][ T69] ? netdev_notice (net/core/dev.c:13194) [ 62.698324][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.698326][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 62.698328][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 62.698330][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 62.698333][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 62.698337][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 62.698341][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 62.698348][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 62.698352][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 62.698355][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 62.698359][ T69] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 62.698363][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 62.698364][ T69] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 62.698368][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 62.698373][ T69] cleanup_net (net/core/net_namespace.c:706) [ 62.698376][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 62.698380][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.698382][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.698385][ T69] process_one_work (kernel/workqueue.c:3387) [ 62.698392][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 62.698395][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 62.698403][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 62.698407][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 62.698410][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 62.698412][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 62.698415][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 62.698417][ T69] kthread (kernel/kthread.c:436) [ 62.698419][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 62.698423][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 62.698426][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 62.698429][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 62.698432][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 62.698436][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 62.698439][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 63.907163][ T1514] softirqs last disabled at (20604): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 63.907165][ T1514] Preemption disabled at: | [ 63.907166][ T1514] vprintk_emit (kernel/printk/printk.c:2471) | [ 63.907175][ T1514] Tainted: [W]=WARN [ 63.907176][ T1514] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 63.907177][ T1514] Call Trace: [ 63.907181][ T1514] [ 63.907182][ T1514] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 63.907188][ T1514] ? vprintk_emit (kernel/printk/printk.c:2471) [ 63.907190][ T1514] __might_resched.cold (kernel/sched/core.c:9234) [ 63.907194][ T1514] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 63.907199][ T1514] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 63.907203][ T1514] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 63.907205][ T1514] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 63.907212][ T1514] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 63.907214][ T1514] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 63.907218][ T1514] put_chars (drivers/char/virtio_console.c:1176) [ 63.907221][ T1514] ? __send_to_port (drivers/char/virtio_console.c:654) [ 63.907227][ T1514] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 63.907234][ T1514] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 63.907238][ T1514] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.907242][ T1514] console_emit_next_record (kernel/printk/printk.c:3183) [ 63.907246][ T1514] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 63.907248][ T1514] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 63.907251][ T1514] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.907254][ T1514] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.907258][ T1514] console_flush_one_record (kernel/printk/printk.c:3268) [ 63.907262][ T1514] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 63.907264][ T1514] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 63.907269][ T1514] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 63.907272][ T1514] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 63.907274][ T1514] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.907276][ T1514] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 63.907279][ T1514] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 63.907281][ T1514] ? vprintk_emit (kernel/printk/printk.c:2478) [ 63.907284][ T1514] vprintk_emit (kernel/printk/printk.c:2479) [ 63.907287][ T1514] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 63.907290][ T1514] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 63.907295][ T1514] _printk (kernel/printk/printk.c:2504) [ 63.907299][ T1514] ? snapshot_read.cold (user.c:?) [ 63.907301][ T1514] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 63.907303][ T1514] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 63.907306][ T1514] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 63.907308][ T1514] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 63.907312][ T1514] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 63.907315][ T1514] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 63.907317][ T1514] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 63.907320][ T1514] ? netdev_notice (net/core/dev.c:13194) [ 63.907323][ T1514] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 63.907326][ T1514] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 63.907328][ T1514] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 63.907332][ T1514] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 63.907334][ T1514] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 63.907336][ T1514] ? register_netdev (net/core/dev.c:11618) [ 63.907338][ T1514] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 63.907343][ T1514] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 63.907345][ T1514] ? __kernel_text_address (kernel/extable.c:79) [ 63.907348][ T1514] ? write_profile (profile.c:?) [ 63.907353][ T1514] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 63.907358][ T1514] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 63.907362][ T1514] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 63.907364][ T1514] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 63.907365][ T1514] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 63.907367][ T1514] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 63.907370][ T1514] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 63.907372][ T1514] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 63.907374][ T1514] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 63.907377][ T1514] ? kasan_save_stack (mm/kasan/common.c:58) [ 63.907379][ T1514] ? kasan_save_stack (mm/kasan/common.c:57) [ 63.907380][ T1514] ? kasan_save_track (mm/kasan/common.c:78) [ 63.907381][ T1514] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 63.907383][ T1514] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 63.907385][ T1514] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 63.907388][ T1514] ? ___sys_sendmsg (net/socket.c:2758) [ 63.907392][ T1514] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 63.907394][ T1514] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 63.907397][ T1514] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.907398][ T1514] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.907400][ T1514] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.907401][ T1514] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.907403][ T1514] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 63.907405][ T1514] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 63.907406][ T1514] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 63.907408][ T1514] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 63.907411][ T1514] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 63.907413][ T1514] ? nla_get_range_signed (lib/nlattr.c:270) [ 63.907418][ T1514] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.907420][ T1514] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 63.907425][ T1514] rtnl_newlink (net/core/rtnetlink.c:4215) [ 63.907430][ T1514] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 63.907432][ T1514] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 63.907437][ T1514] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 63.907439][ T1514] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 63.907441][ T1514] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 63.907443][ T1514] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 63.907446][ T1514] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 63.907448][ T1514] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 63.907452][ T1514] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 63.907453][ T1514] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 63.907457][ T1514] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 63.907459][ T1514] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 63.907463][ T1514] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 63.907466][ T1514] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 63.907469][ T1514] ? netlink_ack (./include/linux/skbuff.h:2718) [ 63.907476][ T1514] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 63.907478][ T1514] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 63.907482][ T1514] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 63.907486][ T1514] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 63.907489][ T1514] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 63.907493][ T1514] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 63.907497][ T1514] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 63.907501][ T1514] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 63.907503][ T1514] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 63.907508][ T1514] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 63.907511][ T1514] ____sys_sendmsg (net/socket.c:2713) [ 63.907513][ T1514] ? copy_msghdr_from_user (net/socket.c:2650) [ 63.907516][ T1514] ? sock_write_iter (net/socket.c:1269) [ 63.907517][ T1514] ? move_addr_to_kernel (net/socket.c:258) [ 63.907525][ T1514] ___sys_sendmsg (net/socket.c:2767) [ 63.907528][ T1514] ? copy_msghdr_from_user (net/socket.c:2619) [ 63.907546][ T1514] __sys_sendmsg (net/socket.c:2799) [ 63.907549][ T1514] ? __sys_sendmsg_sock (net/socket.c:2780) [ 63.907555][ T1514] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.907558][ T1514] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 63.907561][ T1514] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 63.907564][ T1514] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 63.907566][ T1514] RIP: 0033:0x7ff7d21e954e [ 63.907570][ T1514] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 63.907572][ T1514] RSP: 002b:00007ffdfd1e9380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 63.907575][ T1514] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff7d21e954e [ 63.907576][ T1514] RDX: 0000000000000000 RSI: 00007ffdfd1e9430 RDI: 0000000000000005 [ 63.907577][ T1514] RBP: 00007ffdfd1e9390 R08: 0000000000000000 R09: 0000000000000000 [ 63.907578][ T1514] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e51 [ 63.907579][ T1514] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfd1e9af0 | [ 65.865610][ T1588] softirqs last disabled at (17990): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 65.865612][ T1588] Preemption disabled at: | [ 65.865613][ T1588] vprintk_emit (kernel/printk/printk.c:2471) | [ 65.865621][ T1588] Tainted: [W]=WARN [ 65.865622][ T1588] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 65.865624][ T1588] Call Trace: [ 65.865626][ T1588] [ 65.865627][ T1588] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 65.865634][ T1588] ? vprintk_emit (kernel/printk/printk.c:2471) [ 65.865636][ T1588] __might_resched.cold (kernel/sched/core.c:9234) [ 65.865640][ T1588] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 65.865645][ T1588] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 65.865650][ T1588] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 65.865652][ T1588] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 65.865658][ T1588] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 65.865661][ T1588] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 65.865665][ T1588] put_chars (drivers/char/virtio_console.c:1176) [ 65.865667][ T1588] ? __send_to_port (drivers/char/virtio_console.c:654) [ 65.865669][ T1588] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 65.865672][ T1588] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 65.865675][ T1588] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 65.865680][ T1588] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 65.865684][ T1588] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 65.865690][ T1588] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 65.865693][ T1588] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.865698][ T1588] console_emit_next_record (kernel/printk/printk.c:3183) [ 65.865702][ T1588] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 65.865704][ T1588] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 65.865707][ T1588] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.865709][ T1588] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 65.865713][ T1588] console_flush_one_record (kernel/printk/printk.c:3268) [ 65.865718][ T1588] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 65.865720][ T1588] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 65.865725][ T1588] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 65.865728][ T1588] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 65.865730][ T1588] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.865732][ T1588] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 65.865736][ T1588] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 65.865738][ T1588] ? vprintk_emit (kernel/printk/printk.c:2478) [ 65.865740][ T1588] vprintk_emit (kernel/printk/printk.c:2479) [ 65.865744][ T1588] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 65.865746][ T1588] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 65.865749][ T1588] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 65.865752][ T1588] _printk (kernel/printk/printk.c:2504) [ 65.865756][ T1588] ? snapshot_read.cold (user.c:?) [ 65.865760][ T1588] ? br_multicast_flood (??:?) [ 65.865763][ T1588] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 65.865765][ T1588] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 65.865766][ T1588] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 65.865770][ T1588] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 65.865775][ T1588] br_init_port (net/bridge/br_stp_if.c:39) [ 65.865777][ T1588] new_nbp (net/bridge/br_if.c:449) [ 65.865781][ T1588] br_add_if (net/bridge/br_if.c:592) [ 65.865783][ T1588] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 65.865791][ T1588] do_set_master (net/core/rtnetlink.c:3071) [ 65.865795][ T1588] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 65.865799][ T1588] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 65.865801][ T1588] ? __dev_get_by_name (net/core/dev.c:905) [ 65.865803][ T1588] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 65.865813][ T1588] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 65.865819][ T1588] rtnl_newlink (net/core/rtnetlink.c:4215) [ 65.865825][ T1588] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 65.865827][ T1588] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 65.865834][ T1588] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 65.865838][ T1588] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 65.865840][ T1588] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 65.865844][ T1588] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 65.865845][ T1588] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 65.865850][ T1588] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 65.865852][ T1588] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 65.865856][ T1588] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 65.865859][ T1588] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 65.865862][ T1588] ? netlink_ack (./include/linux/skbuff.h:2718) [ 65.865869][ T1588] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 65.865871][ T1588] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 65.865876][ T1588] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 65.865880][ T1588] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 65.865886][ T1588] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 65.865890][ T1588] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 65.865894][ T1588] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 65.865896][ T1588] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 65.865902][ T1588] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 65.865906][ T1588] ____sys_sendmsg (net/socket.c:2713) [ 65.865908][ T1588] ? copy_msghdr_from_user (net/socket.c:2650) [ 65.865910][ T1588] ? sock_write_iter (net/socket.c:1269) [ 65.865912][ T1588] ? move_addr_to_kernel (net/socket.c:258) [ 65.865917][ T1588] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 65.865920][ T1588] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 65.865924][ T1588] ___sys_sendmsg (net/socket.c:2767) [ 65.865926][ T1588] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 65.865928][ T1588] ? copy_msghdr_from_user (net/socket.c:2619) [ 65.865931][ T1588] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 65.865947][ T1588] __sys_sendmsg (net/socket.c:2799) [ 65.865950][ T1588] ? __sys_sendmsg_sock (net/socket.c:2780) [ 65.865956][ T1588] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.865958][ T1588] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 65.865961][ T1588] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 65.865965][ T1588] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 65.865968][ T1588] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 65.865970][ T1588] RIP: 0033:0x7fce3723254e [ 65.865974][ T1588] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 65.865976][ T1588] RSP: 002b:00007ffd21e69090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 65.865978][ T1588] RAX: ffffffffffffffda RBX: 00007ffd21e69858 RCX: 00007fce3723254e [ 65.865980][ T1588] RDX: 0000000000000000 RSI: 00007ffd21e69140 RDI: 0000000000000005 [ 65.865981][ T1588] RBP: 00007ffd21e690a0 R08: 0000000000000000 R09: 0000000000000000 [ 65.865981][ T1588] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e53 [ 65.865982][ T1588] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd21e69810 | [ 67.035272][ T1625] softirqs last disabled at (28038): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 67.035275][ T1625] Preemption disabled at: | [ 67.035276][ T1625] vprintk_emit (kernel/printk/printk.c:2471) | [ 67.035284][ T1625] Tainted: [W]=WARN [ 67.035285][ T1625] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 67.035287][ T1625] Call Trace: [ 67.035289][ T1625] [ 67.035291][ T1625] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 67.035297][ T1625] ? vprintk_emit (kernel/printk/printk.c:2471) [ 67.035299][ T1625] __might_resched.cold (kernel/sched/core.c:9234) [ 67.035303][ T1625] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 67.035307][ T1625] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 67.035312][ T1625] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 67.035314][ T1625] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 67.035320][ T1625] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 67.035323][ T1625] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 67.035327][ T1625] put_chars (drivers/char/virtio_console.c:1176) [ 67.035330][ T1625] ? __send_to_port (drivers/char/virtio_console.c:654) [ 67.035336][ T1625] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 67.035344][ T1625] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 67.035348][ T1625] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.035352][ T1625] console_emit_next_record (kernel/printk/printk.c:3183) [ 67.035356][ T1625] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 67.035358][ T1625] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 67.035362][ T1625] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.035364][ T1625] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.035368][ T1625] console_flush_one_record (kernel/printk/printk.c:3268) [ 67.035373][ T1625] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 67.035375][ T1625] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 67.035380][ T1625] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 67.035383][ T1625] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 67.035385][ T1625] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.035387][ T1625] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 67.035391][ T1625] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 67.035393][ T1625] ? vprintk_emit (kernel/printk/printk.c:2478) [ 67.035395][ T1625] vprintk_emit (kernel/printk/printk.c:2479) [ 67.035399][ T1625] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 67.035401][ T1625] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 67.035407][ T1625] _printk (kernel/printk/printk.c:2504) [ 67.035411][ T1625] ? snapshot_read.cold (user.c:?) [ 67.035412][ T1625] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 67.035415][ T1625] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 67.035418][ T1625] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 67.035420][ T1625] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 67.035424][ T1625] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 67.035427][ T1625] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 67.035429][ T1625] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 67.035432][ T1625] ? netdev_notice (net/core/dev.c:13194) [ 67.035435][ T1625] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 67.035438][ T1625] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 67.035440][ T1625] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 67.035444][ T1625] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 67.035446][ T1625] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 67.035449][ T1625] ? register_netdev (net/core/dev.c:11618) [ 67.035450][ T1625] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 67.035456][ T1625] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 67.035458][ T1625] ? __kernel_text_address (kernel/extable.c:79) [ 67.035461][ T1625] ? write_profile (profile.c:?) [ 67.035465][ T1625] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 67.035471][ T1625] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 67.035474][ T1625] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 67.035477][ T1625] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 67.035478][ T1625] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 67.035480][ T1625] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 67.035483][ T1625] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 67.035485][ T1625] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 67.035487][ T1625] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 67.035490][ T1625] ? kasan_save_stack (mm/kasan/common.c:58) [ 67.035492][ T1625] ? kasan_save_stack (mm/kasan/common.c:57) [ 67.035493][ T1625] ? kasan_save_track (mm/kasan/common.c:78) [ 67.035494][ T1625] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 67.035496][ T1625] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 67.035498][ T1625] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 67.035502][ T1625] ? ___sys_sendmsg (net/socket.c:2758) [ 67.035505][ T1625] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 67.035507][ T1625] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 67.035510][ T1625] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.035512][ T1625] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 67.035513][ T1625] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.035515][ T1625] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.035516][ T1625] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 67.035519][ T1625] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 67.035520][ T1625] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 67.035522][ T1625] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 67.035525][ T1625] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 67.035527][ T1625] ? nla_get_range_signed (lib/nlattr.c:270) [ 67.035532][ T1625] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.035534][ T1625] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 67.035540][ T1625] rtnl_newlink (net/core/rtnetlink.c:4215) [ 67.035546][ T1625] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 67.035548][ T1625] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 67.035554][ T1625] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 67.035556][ T1625] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 67.035558][ T1625] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 67.035560][ T1625] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 67.035564][ T1625] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 67.035567][ T1625] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 67.035570][ T1625] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 67.035572][ T1625] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 67.035577][ T1625] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 67.035579][ T1625] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 67.035583][ T1625] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 67.035587][ T1625] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 67.035590][ T1625] ? netlink_ack (./include/linux/skbuff.h:2718) [ 67.035597][ T1625] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 67.035599][ T1625] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 67.035604][ T1625] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 67.035609][ T1625] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 67.035612][ T1625] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 67.035617][ T1625] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 67.035621][ T1625] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 67.035625][ T1625] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 67.035627][ T1625] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 67.035633][ T1625] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 67.035636][ T1625] ____sys_sendmsg (net/socket.c:2713) [ 67.035639][ T1625] ? copy_msghdr_from_user (net/socket.c:2650) [ 67.035641][ T1625] ? sock_write_iter (net/socket.c:1269) [ 67.035643][ T1625] ? move_addr_to_kernel (net/socket.c:258) [ 67.035652][ T1625] ___sys_sendmsg (net/socket.c:2767) [ 67.035655][ T1625] ? copy_msghdr_from_user (net/socket.c:2619) [ 67.035674][ T1625] __sys_sendmsg (net/socket.c:2799) [ 67.035677][ T1625] ? __sys_sendmsg_sock (net/socket.c:2780) [ 67.035684][ T1625] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 67.035688][ T1625] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 67.035691][ T1625] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 67.035694][ T1625] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 67.035696][ T1625] RIP: 0033:0x7fa4eb5f854e [ 67.035700][ T1625] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 67.035702][ T1625] RSP: 002b:00007ffe74958630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 67.035705][ T1625] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa4eb5f854e [ 67.035706][ T1625] RDX: 0000000000000000 RSI: 00007ffe749586e0 RDI: 0000000000000005 [ 67.035707][ T1625] RBP: 00007ffe74958640 R08: 0000000000000000 R09: 0000000000000000 [ 67.035708][ T1625] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e54 [ 67.035709][ T1625] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe74958da0 | [ 69.046727][ T1692] softirqs last disabled at (25062): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 69.046729][ T1692] Preemption disabled at: | [ 69.046730][ T1692] vprintk_emit (kernel/printk/printk.c:2471) | [ 69.046738][ T1692] Tainted: [W]=WARN [ 69.046739][ T1692] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 69.046741][ T1692] Call Trace: [ 69.046742][ T1692] [ 69.046744][ T1692] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 69.046751][ T1692] ? vprintk_emit (kernel/printk/printk.c:2471) [ 69.046752][ T1692] __might_resched.cold (kernel/sched/core.c:9234) [ 69.046757][ T1692] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 69.046761][ T1692] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 69.046766][ T1692] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 69.046768][ T1692] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 69.046774][ T1692] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 69.046777][ T1692] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 69.046781][ T1692] put_chars (drivers/char/virtio_console.c:1176) [ 69.046783][ T1692] ? __send_to_port (drivers/char/virtio_console.c:654) [ 69.046785][ T1692] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 69.046788][ T1692] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 69.046791][ T1692] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 69.046796][ T1692] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 69.046800][ T1692] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 69.046805][ T1692] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 69.046809][ T1692] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.046813][ T1692] console_emit_next_record (kernel/printk/printk.c:3183) [ 69.046817][ T1692] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 69.046819][ T1692] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 69.046822][ T1692] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.046824][ T1692] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 69.046828][ T1692] console_flush_one_record (kernel/printk/printk.c:3268) [ 69.046833][ T1692] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 69.046835][ T1692] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 69.046840][ T1692] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 69.046843][ T1692] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 69.046845][ T1692] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.046847][ T1692] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 69.046850][ T1692] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 69.046852][ T1692] ? vprintk_emit (kernel/printk/printk.c:2478) [ 69.046855][ T1692] vprintk_emit (kernel/printk/printk.c:2479) [ 69.046858][ T1692] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 69.046860][ T1692] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 69.046863][ T1692] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 69.046866][ T1692] _printk (kernel/printk/printk.c:2504) [ 69.046870][ T1692] ? snapshot_read.cold (user.c:?) [ 69.046874][ T1692] ? br_multicast_flood (??:?) [ 69.046877][ T1692] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 69.046878][ T1692] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 69.046880][ T1692] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 69.046884][ T1692] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 69.046888][ T1692] br_init_port (net/bridge/br_stp_if.c:39) [ 69.046891][ T1692] new_nbp (net/bridge/br_if.c:449) [ 69.046895][ T1692] br_add_if (net/bridge/br_if.c:592) [ 69.046897][ T1692] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 69.046904][ T1692] do_set_master (net/core/rtnetlink.c:3071) [ 69.046908][ T1692] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 69.046912][ T1692] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 69.046913][ T1692] ? __dev_get_by_name (net/core/dev.c:905) [ 69.046916][ T1692] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 69.046925][ T1692] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 69.046932][ T1692] rtnl_newlink (net/core/rtnetlink.c:4215) [ 69.046937][ T1692] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 69.046939][ T1692] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 69.046946][ T1692] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 69.046950][ T1692] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 69.046952][ T1692] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 69.046955][ T1692] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 69.046957][ T1692] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 69.046961][ T1692] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 69.046963][ T1692] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 69.046967][ T1692] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 69.046970][ T1692] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 69.046973][ T1692] ? netlink_ack (./include/linux/skbuff.h:2718) [ 69.046980][ T1692] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 69.046982][ T1692] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 69.046987][ T1692] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 69.046991][ T1692] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 69.046996][ T1692] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 69.047000][ T1692] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 69.047004][ T1692] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 69.047006][ T1692] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 69.047011][ T1692] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 69.047015][ T1692] ____sys_sendmsg (net/socket.c:2713) [ 69.047017][ T1692] ? copy_msghdr_from_user (net/socket.c:2650) [ 69.047020][ T1692] ? sock_write_iter (net/socket.c:1269) [ 69.047021][ T1692] ? move_addr_to_kernel (net/socket.c:258) [ 69.047026][ T1692] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 69.047029][ T1692] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 69.047032][ T1692] ___sys_sendmsg (net/socket.c:2767) [ 69.047034][ T1692] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 69.047037][ T1692] ? copy_msghdr_from_user (net/socket.c:2619) [ 69.047039][ T1692] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 69.047055][ T1692] __sys_sendmsg (net/socket.c:2799) [ 69.047058][ T1692] ? __sys_sendmsg_sock (net/socket.c:2780) [ 69.047063][ T1692] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.047065][ T1692] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.047068][ T1692] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 69.047072][ T1692] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 69.047075][ T1692] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 69.047077][ T1692] RIP: 0033:0x7fdac543f54e [ 69.047081][ T1692] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 69.047083][ T1692] RSP: 002b:00007ffe5b539730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 69.047086][ T1692] RAX: ffffffffffffffda RBX: 00007ffe5b539ef8 RCX: 00007fdac543f54e [ 69.047087][ T1692] RDX: 0000000000000000 RSI: 00007ffe5b5397e0 RDI: 0000000000000005 [ 69.047088][ T1692] RBP: 00007ffe5b539740 R08: 0000000000000000 R09: 0000000000000000 [ 69.047089][ T1692] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e56 [ 69.047089][ T1692] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5b539eb0 | [ 76.171810][ T69] softirqs last disabled at (1100810): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 76.171812][ T69] Preemption disabled at: | [ 76.171813][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 76.171821][ T69] Tainted: [W]=WARN [ 76.171823][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 76.171824][ T69] Workqueue: netns cleanup_net [ 76.171828][ T69] Call Trace: [ 76.171829][ T69] [ 76.171831][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 76.171837][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 76.171839][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 76.171844][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 76.171848][ T69] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 76.171852][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 76.171854][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 76.171861][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 76.171864][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 76.171868][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 76.171870][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 76.171872][ T69] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 76.171875][ T69] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 76.171878][ T69] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 76.171884][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 76.171888][ T69] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 76.171893][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 76.171897][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.171902][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 76.171906][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 76.171908][ T69] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 76.171911][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.171913][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.171918][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 76.171922][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 76.171924][ T69] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 76.171930][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 76.171932][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 76.171934][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.171936][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 76.171940][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 76.171942][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 76.171945][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 76.171948][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 76.171950][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 76.171952][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 76.171954][ T69] ? kthread (kernel/kthread.c:436) [ 76.171956][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 76.171959][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 76.171964][ T69] _printk (kernel/printk/printk.c:2504) [ 76.171968][ T69] ? snapshot_read.cold (user.c:?) [ 76.171972][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 76.171976][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 76.171980][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 76.171983][ T69] ? netdev_notice (net/core/dev.c:13194) [ 76.171988][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.171990][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 76.171992][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 76.171994][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 76.171996][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 76.172001][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 76.172005][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 76.172011][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 76.172015][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 76.172019][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 76.172023][ T69] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 76.172027][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 76.172028][ T69] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 76.172032][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 76.172036][ T69] cleanup_net (net/core/net_namespace.c:706) [ 76.172040][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 76.172044][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.172046][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.172049][ T69] process_one_work (kernel/workqueue.c:3387) [ 76.172056][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 76.172059][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 76.172067][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 76.172071][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 76.172074][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 76.172076][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 76.172079][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 76.172082][ T69] kthread (kernel/kthread.c:436) [ 76.172083][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 76.172087][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 76.172090][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 76.172093][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 76.172096][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 76.172100][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 76.172103][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 76.537614][ C0] | [ 76.537614][ C0] | [ 76.537614][ C0] stack backtrace: | [ 76.537620][ C0] Tainted: [W]=WARN [ 76.537621][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 76.537622][ C0] Call Trace: [ 76.537624][ C0] [ 76.537625][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 76.537629][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 76.537632][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 76.537634][ C0] ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450) [ 76.537637][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 76.537639][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 76.537640][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 76.537643][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 76.537645][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 76.537647][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.537649][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.537651][ C0] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 76.537653][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 76.537654][ C0] console_emit_next_record (kernel/printk/printk.c:3177) [ 76.537657][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 76.537658][ C0] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 76.537661][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.537662][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.537664][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 76.537666][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 76.537668][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 76.537670][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 76.537672][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 76.537674][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.537675][ C0] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 76.537677][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 76.537679][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 76.537681][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 76.537682][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 76.537685][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1)) [ 76.537687][ C0] _printk (kernel/printk/printk.c:2504) [ 76.537688][ C0] ? snapshot_read.cold (user.c:?) [ 76.537690][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1)) [ 76.537692][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 76.537695][ C0] clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10)) [ 76.537696][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 76.537698][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 76.537700][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 76.537702][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 76.537704][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 76.537707][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 76.537709][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 76.537711][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.537713][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 76.537714][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 76.537717][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 76.537719][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 76.537721][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 76.537724][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 76.537726][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 76.537728][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 76.537731][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.537732][ C0] handle_softirqs (kernel/softirq.c:645) [ 76.537734][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 76.537735][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 76.537737][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 76.537739][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 76.537741][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 76.537742][ C0] [ 76.537743][ C0] [ 76.537743][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 76.537745][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 76.537746][ C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 76.537749][ C0] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 All code ======== 0: 48 8b 3d 94 82 68 02 mov 0x2688294(%rip),%rdi # 0x268829b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 d3 a0 00 sub 0xa0d358(%rip),%rax # 0xa0d36b 13: c3 ret 14: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d 13 06 0e 00 verw 0xe0613(%rip) # 0xe063b 28: fb sti 29: f4 hlt 2a:* c3 ret <-- trapping instruction 2b: 0f 1f 40 d6 nopl -0x2a(%rax) 2f: 48 83 ec 20 sub $0x20,%rsp 33: 8b 17 mov (%rdi),%edx 35: 49 89 f8 mov %rdi,%r8 38: 83 e2 fe and $0xfffffffe,%edx 3b: 41 89 d2 mov %edx,%r10d 3e: 0f .byte 0xf 3f: 01 .byte 0x1 Code starting with the faulting instruction =========================================== 0: c3 ret 1: 0f 1f 40 d6 nopl -0x2a(%rax) 5: 48 83 ec 20 sub $0x20,%rsp 9: 8b 17 mov (%rdi),%edx b: 49 89 f8 mov %rdi,%r8 e: 83 e2 fe and $0xfffffffe,%edx 11: 41 89 d2 mov %edx,%r10d 14: 0f .byte 0xf 15: 01 .byte 0x1 [ 76.537751][ C0] RSP: 0018:ffffffffbc807cf8 EFLAGS: 00000296 [ 76.537753][ C0] RAX: 00000000003c0145 RBX: ffffffffbc830600 RCX: ffffffffb8f06247 [ 76.537754][ C0] RDX: ffffffffbc830600 RSI: ffffffffbc111011 RDI: ffffffffbba949e0 [ 76.537755][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 76.537756][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff7900fa2 [ 76.537757][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 76.537759][ C0] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 76.537761][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 76.537762][ C0] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 76.537764][ C0] default_idle_call (kernel/sched/idle.c:122) [ 76.537765][ C0] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 76.537767][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 76.537769][ C0] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 76.537772][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.537773][ C0] do_idle (kernel/sched/idle.c:355) [ 76.537775][ C0] cpu_startup_entry (kernel/sched/idle.c:454) [ 76.537776][ C0] rest_init (init/main.c:727) [ 76.537778][ C0] ? __cpuidle_text_end (??:?) [ 76.537781][ C0] ? rest_init (init/main.c:727) [ 76.537782][ C0] ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1)) [ 76.537786][ C0] ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1)) [ 76.537787][ C0] ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47) [ 76.537789][ C0] start_kernel (init/main.c:1185) [ 76.537791][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:310) [ 76.537793][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:291) [ 76.537795][ C0] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 77.582717][ T1885] softirqs last disabled at (0): 0x0 | [ 77.582719][ T1885] Preemption disabled at: | [ 77.582720][ T1885] vprintk_emit (kernel/printk/printk.c:2471) | [ 77.582730][ T1885] Tainted: [W]=WARN [ 77.582731][ T1885] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 77.582733][ T1885] Call Trace: [ 77.582734][ T1885] [ 77.582735][ T1885] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 77.582741][ T1885] ? vprintk_emit (kernel/printk/printk.c:2471) [ 77.582742][ T1885] __might_resched.cold (kernel/sched/core.c:9234) [ 77.582746][ T1885] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 77.582748][ T1885] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 77.582751][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.582754][ T1885] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 77.582757][ T1885] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 77.582760][ T1885] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 77.582765][ T1885] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 77.582767][ T1885] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 77.582769][ T1885] put_chars (drivers/char/virtio_console.c:1176) [ 77.582771][ T1885] ? __send_to_port (drivers/char/virtio_console.c:654) [ 77.582772][ T1885] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 77.582775][ T1885] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 77.582780][ T1885] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 77.582782][ T1885] ? vsnprintf (lib/vsprintf.c:2900) [ 77.582785][ T1885] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 77.582787][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.582788][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.582789][ T1885] console_emit_next_record (kernel/printk/printk.c:3183) [ 77.582792][ T1885] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 77.582794][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.582795][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.582796][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.582797][ T1885] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.582799][ T1885] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 77.582801][ T1885] console_flush_one_record (kernel/printk/printk.c:3268) [ 77.582803][ T1885] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 77.582806][ T1885] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 77.582808][ T1885] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.582809][ T1885] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 77.582811][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.582812][ T1885] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 77.582814][ T1885] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 77.582815][ T1885] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 77.582816][ T1885] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 77.582818][ T1885] ? vprintk_emit (kernel/printk/printk.c:2478) [ 77.582820][ T1885] vprintk_emit (kernel/printk/printk.c:2479) [ 77.582821][ T1885] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 77.582823][ T1885] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 77.582824][ T1885] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 77.582827][ T1885] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.582829][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.582830][ T1885] _printk (kernel/printk/printk.c:2504) [ 77.582833][ T1885] ? snapshot_read.cold (user.c:?) [ 77.582835][ T1885] ? br_multicast_flood (??:?) [ 77.582839][ T1885] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 77.582841][ T1885] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 77.582842][ T1885] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 77.582844][ T1885] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 77.582847][ T1885] br_init_port (net/bridge/br_stp_if.c:39) [ 77.582849][ T1885] new_nbp (net/bridge/br_if.c:449) [ 77.582851][ T1885] br_add_if (net/bridge/br_if.c:592) [ 77.582852][ T1885] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 77.582857][ T1885] do_set_master (net/core/rtnetlink.c:3071) [ 77.582859][ T1885] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 77.582860][ T1885] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 77.582861][ T1885] ? __dev_get_by_name (net/core/dev.c:905) [ 77.582863][ T1885] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 77.582867][ T1885] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 77.582869][ T1885] rtnl_newlink (net/core/rtnetlink.c:4215) [ 77.582871][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.582873][ T1885] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 77.582874][ T1885] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.582875][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.582876][ T1885] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 77.582879][ T1885] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 77.582881][ T1885] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 77.582883][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.582884][ T1885] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.582886][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.582887][ T1885] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 77.582888][ T1885] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 77.582890][ T1885] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 77.582891][ T1885] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 77.582893][ T1885] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 77.582896][ T1885] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 77.582899][ T1885] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 77.582901][ T1885] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 77.582902][ T1885] ? netlink_ack (./include/linux/skbuff.h:2718) [ 77.582904][ T1885] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 77.582907][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.582908][ T1885] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 77.582910][ T1885] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 77.582912][ T1885] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 77.582914][ T1885] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 77.582916][ T1885] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 77.582920][ T1885] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 77.582922][ T1885] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 77.582924][ T1885] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.582925][ T1885] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 77.582929][ T1885] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 77.582932][ T1885] ____sys_sendmsg (net/socket.c:2713) [ 77.582933][ T1885] ? copy_msghdr_from_user (net/socket.c:2650) [ 77.582935][ T1885] ? sock_write_iter (net/socket.c:1269) [ 77.582937][ T1885] ? move_addr_to_kernel (net/socket.c:258) [ 77.582939][ T1885] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 77.582941][ T1885] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.582943][ T1885] ___sys_sendmsg (net/socket.c:2767) [ 77.582945][ T1885] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 77.582946][ T1885] ? copy_msghdr_from_user (net/socket.c:2619) [ 77.582948][ T1885] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 77.582953][ T1885] __sys_sendmsg (net/socket.c:2799) [ 77.582955][ T1885] ? __sys_sendmsg_sock (net/socket.c:2780) [ 77.582957][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.582958][ T1885] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.582960][ T1885] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 77.582962][ T1885] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 77.582964][ T1885] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 77.582966][ T1885] RIP: 0033:0x7f559c8d654e [ 77.582968][ T1885] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 77.582970][ T1885] RSP: 002b:00007ffc878fd8e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 77.582974][ T1885] RAX: ffffffffffffffda RBX: 00007ffc878fe0a8 RCX: 00007f559c8d654e [ 77.582975][ T1885] RDX: 0000000000000000 RSI: 00007ffc878fd990 RDI: 0000000000000005 [ 77.582976][ T1885] RBP: 00007ffc878fd8f0 R08: 0000000000000000 R09: 0000000000000000 [ 77.582977][ T1885] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e5e [ 77.582977][ T1885] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc878fe060 | [ 78.938543][ T1953] softirqs last disabled at (0): 0x0 | [ 78.938544][ T1953] Preemption disabled at: | [ 78.938545][ T1953] vprintk_emit (kernel/printk/printk.c:2471) | [ 78.938555][ T1953] Tainted: [W]=WARN [ 78.938556][ T1953] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 78.938558][ T1953] Call Trace: [ 78.938559][ T1953] [ 78.938561][ T1953] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 78.938566][ T1953] ? vprintk_emit (kernel/printk/printk.c:2471) [ 78.938567][ T1953] __might_resched.cold (kernel/sched/core.c:9234) [ 78.938571][ T1953] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 78.938575][ T1953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.938577][ T1953] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 78.938580][ T1953] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 78.938583][ T1953] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 78.938588][ T1953] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 78.938590][ T1953] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 78.938592][ T1953] put_chars (drivers/char/virtio_console.c:1176) [ 78.938594][ T1953] ? __send_to_port (drivers/char/virtio_console.c:654) [ 78.938595][ T1953] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 78.938597][ T1953] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 78.938599][ T1953] ? pointer (lib/vsprintf.c:2577) [ 78.938603][ T1953] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 78.938607][ T1953] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 78.938609][ T1953] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 78.938611][ T1953] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.938613][ T1953] console_emit_next_record (kernel/printk/printk.c:3183) [ 78.938616][ T1953] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 78.938618][ T1953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.938619][ T1953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.938620][ T1953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.938621][ T1953] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.938623][ T1953] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 78.938625][ T1953] console_flush_one_record (kernel/printk/printk.c:3268) [ 78.938627][ T1953] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 78.938630][ T1953] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 78.938631][ T1953] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.938633][ T1953] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 78.938635][ T1953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.938636][ T1953] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 78.938637][ T1953] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 78.938639][ T1953] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 78.938640][ T1953] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 78.938642][ T1953] ? vprintk_emit (kernel/printk/printk.c:2478) [ 78.938644][ T1953] vprintk_emit (kernel/printk/printk.c:2479) [ 78.938645][ T1953] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 78.938646][ T1953] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 78.938649][ T1953] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 78.938652][ T1953] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 78.938654][ T1953] _printk (kernel/printk/printk.c:2504) [ 78.938657][ T1953] ? snapshot_read.cold (user.c:?) [ 78.938659][ T1953] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 78.938661][ T1953] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 78.938665][ T1953] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 78.938667][ T1953] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 78.938670][ T1953] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 78.938672][ T1953] ? netdev_notice (net/core/dev.c:13194) [ 78.938674][ T1953] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 78.938676][ T1953] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 78.938678][ T1953] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 78.938680][ T1953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.938681][ T1953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.938682][ T1953] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 78.938683][ T1953] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 78.938685][ T1953] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 78.938686][ T1953] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 78.938687][ T1953] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 78.938689][ T1953] ? register_netdev (net/core/dev.c:11618) [ 78.938690][ T1953] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 78.938692][ T1953] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 78.938695][ T1953] ? __kernel_text_address (kernel/extable.c:79) [ 78.938697][ T1953] ? write_profile (profile.c:?) [ 78.938700][ T1953] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 78.938704][ T1953] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 78.938706][ T1953] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 78.938707][ T1953] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 78.938708][ T1953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.938709][ T1953] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 78.938713][ T1953] ? kasan_save_stack (mm/kasan/common.c:58) [ 78.938714][ T1953] ? kasan_save_stack (mm/kasan/common.c:57) [ 78.938715][ T1953] ? kasan_save_track (mm/kasan/common.c:78) [ 78.938717][ T1953] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 78.938718][ T1953] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 78.938719][ T1953] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 78.938720][ T1953] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 78.938721][ T1953] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 78.938724][ T1953] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 78.938725][ T1953] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 78.938727][ T1953] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 78.938730][ T1953] ? ____sys_sendmsg (net/socket.c:2713) [ 78.938731][ T1953] ? ___sys_sendmsg (net/socket.c:2767) [ 78.938732][ T1953] ? __sys_sendmsg (net/socket.c:2799) [ 78.938734][ T1953] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 78.938736][ T1953] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 78.938739][ T1953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.938740][ T1953] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.938741][ T1953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.938742][ T1953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.938744][ T1953] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 78.938745][ T1953] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 78.938746][ T1953] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 78.938748][ T1953] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 78.938749][ T1953] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 78.938750][ T1953] ? nla_get_range_signed (lib/nlattr.c:270) [ 78.938754][ T1953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.938755][ T1953] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 78.938757][ T1953] rtnl_newlink (net/core/rtnetlink.c:4215) [ 78.938759][ T1953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.938760][ T1953] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 78.938761][ T1953] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.938763][ T1953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.938764][ T1953] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 78.938766][ T1953] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 78.938768][ T1953] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 78.938769][ T1953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.938770][ T1953] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 78.938773][ T1953] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 78.938776][ T1953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.938777][ T1953] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.938778][ T1953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.938779][ T1953] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 78.938781][ T1953] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 78.938782][ T1953] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 78.938784][ T1953] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 78.938785][ T1953] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 78.938787][ T1953] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 78.938789][ T1953] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 78.938790][ T1953] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 78.938792][ T1953] ? netlink_ack (./include/linux/skbuff.h:2718) [ 78.938793][ T1953] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 78.938796][ T1953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.938797][ T1953] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 78.938799][ T1953] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 78.938801][ T1953] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 78.938803][ T1953] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 78.938805][ T1953] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 78.938807][ T1953] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 78.938808][ T1953] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 78.938810][ T1953] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.938812][ T1953] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 78.938815][ T1953] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 78.938816][ T1953] ____sys_sendmsg (net/socket.c:2713) [ 78.938818][ T1953] ? copy_msghdr_from_user (net/socket.c:2650) [ 78.938820][ T1953] ? sock_write_iter (net/socket.c:1269) [ 78.938821][ T1953] ? move_addr_to_kernel (net/socket.c:258) [ 78.938823][ T1953] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 78.938825][ T1953] ___sys_sendmsg (net/socket.c:2767) [ 78.938827][ T1953] ? copy_msghdr_from_user (net/socket.c:2619) [ 78.938832][ T1953] __sys_sendmsg (net/socket.c:2799) [ 78.938834][ T1953] ? __sys_sendmsg_sock (net/socket.c:2780) [ 78.938836][ T1953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.938838][ T1953] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 78.938840][ T1953] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 78.938841][ T1953] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 78.938843][ T1953] RIP: 0033:0x7f483f17854e [ 78.938845][ T1953] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 78.938846][ T1953] RSP: 002b:00007ffebeba4500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 78.938850][ T1953] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f483f17854e [ 78.938852][ T1953] RDX: 0000000000000000 RSI: 00007ffebeba45b0 RDI: 0000000000000005 [ 78.938852][ T1953] RBP: 00007ffebeba4510 R08: 0000000000000000 R09: 0000000000000000 [ 78.938853][ T1953] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e60 [ 78.938854][ T1953] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffebeba4c70 | [ 80.126567][ T2011] softirqs last disabled at (0): 0x0 | [ 80.126568][ T2011] Preemption disabled at: | [ 80.126569][ T2011] vprintk_emit (kernel/printk/printk.c:2471) | [ 80.126580][ T2011] Tainted: [W]=WARN [ 80.126581][ T2011] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 80.126583][ T2011] Call Trace: [ 80.126584][ T2011] [ 80.126585][ T2011] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 80.126591][ T2011] ? vprintk_emit (kernel/printk/printk.c:2471) [ 80.126593][ T2011] __might_resched.cold (kernel/sched/core.c:9234) [ 80.126596][ T2011] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 80.126599][ T2011] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 80.126602][ T2011] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.126604][ T2011] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 80.126607][ T2011] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 80.126610][ T2011] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 80.126615][ T2011] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 80.126617][ T2011] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 80.126620][ T2011] put_chars (drivers/char/virtio_console.c:1176) [ 80.126622][ T2011] ? __send_to_port (drivers/char/virtio_console.c:654) [ 80.126623][ T2011] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 80.126626][ T2011] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 80.126631][ T2011] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 80.126633][ T2011] ? vsnprintf (lib/vsprintf.c:2900) [ 80.126636][ T2011] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 80.126637][ T2011] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.126638][ T2011] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.126640][ T2011] console_emit_next_record (kernel/printk/printk.c:3183) [ 80.126643][ T2011] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 80.126645][ T2011] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.126646][ T2011] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.126647][ T2011] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.126648][ T2011] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.126650][ T2011] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 80.126652][ T2011] console_flush_one_record (kernel/printk/printk.c:3268) [ 80.126654][ T2011] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 80.126657][ T2011] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 80.126659][ T2011] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.126661][ T2011] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 80.126663][ T2011] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.126664][ T2011] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 80.126665][ T2011] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 80.126667][ T2011] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 80.126668][ T2011] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 80.126670][ T2011] ? vprintk_emit (kernel/printk/printk.c:2478) [ 80.126671][ T2011] vprintk_emit (kernel/printk/printk.c:2479) [ 80.126673][ T2011] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 80.126674][ T2011] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 80.126676][ T2011] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 80.126679][ T2011] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.126680][ T2011] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.126682][ T2011] _printk (kernel/printk/printk.c:2504) [ 80.126685][ T2011] ? snapshot_read.cold (user.c:?) [ 80.126687][ T2011] ? br_multicast_flood (??:?) [ 80.126691][ T2011] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 80.126693][ T2011] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 80.126694][ T2011] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 80.126696][ T2011] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 80.126699][ T2011] br_init_port (net/bridge/br_stp_if.c:39) [ 80.126700][ T2011] new_nbp (net/bridge/br_if.c:449) [ 80.126703][ T2011] br_add_if (net/bridge/br_if.c:592) [ 80.126704][ T2011] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 80.126709][ T2011] do_set_master (net/core/rtnetlink.c:3071) [ 80.126711][ T2011] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 80.126712][ T2011] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 80.126714][ T2011] ? __dev_get_by_name (net/core/dev.c:905) [ 80.126715][ T2011] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 80.126719][ T2011] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 80.126722][ T2011] rtnl_newlink (net/core/rtnetlink.c:4215) [ 80.126724][ T2011] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.126725][ T2011] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 80.126726][ T2011] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.126728][ T2011] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.126729][ T2011] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 80.126732][ T2011] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 80.126733][ T2011] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 80.126736][ T2011] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.126737][ T2011] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.126738][ T2011] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.126739][ T2011] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 80.126741][ T2011] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 80.126742][ T2011] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 80.126744][ T2011] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 80.126745][ T2011] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 80.126749][ T2011] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 80.126752][ T2011] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 80.126753][ T2011] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 80.126755][ T2011] ? netlink_ack (./include/linux/skbuff.h:2718) [ 80.126756][ T2011] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 80.126760][ T2011] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.126761][ T2011] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 80.126763][ T2011] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 80.126765][ T2011] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 80.126767][ T2011] ? next_uptodate_folio (mm/filemap.c:3747) [ 80.126770][ T2011] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 80.126772][ T2011] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 80.126774][ T2011] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.126776][ T2011] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 80.126779][ T2011] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 80.126782][ T2011] ____sys_sendmsg (net/socket.c:2713) [ 80.126784][ T2011] ? copy_msghdr_from_user (net/socket.c:2650) [ 80.126786][ T2011] ? sock_write_iter (net/socket.c:1269) [ 80.126787][ T2011] ? move_addr_to_kernel (net/socket.c:258) [ 80.126789][ T2011] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 80.126792][ T2011] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 80.126794][ T2011] ___sys_sendmsg (net/socket.c:2767) [ 80.126795][ T2011] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 80.126797][ T2011] ? copy_msghdr_from_user (net/socket.c:2619) [ 80.126799][ T2011] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 80.126803][ T2011] __sys_sendmsg (net/socket.c:2799) [ 80.126805][ T2011] ? __sys_sendmsg_sock (net/socket.c:2780) [ 80.126808][ T2011] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.126809][ T2011] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 80.126810][ T2011] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 80.126813][ T2011] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 80.126815][ T2011] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 80.126817][ T2011] RIP: 0033:0x7f5b46f6a54e [ 80.126820][ T2011] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 80.126821][ T2011] RSP: 002b:00007fff82d71810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 80.126825][ T2011] RAX: ffffffffffffffda RBX: 00007fff82d71fd8 RCX: 00007f5b46f6a54e [ 80.126826][ T2011] RDX: 0000000000000000 RSI: 00007fff82d718c0 RDI: 0000000000000005 [ 80.126827][ T2011] RBP: 00007fff82d71820 R08: 0000000000000000 R09: 0000000000000000 [ 80.126828][ T2011] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e61 [ 80.126829][ T2011] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff82d71f90 | [ 86.462957][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 86.462960][ T69] Preemption disabled at: | [ 86.462960][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 86.462970][ T69] Tainted: [W]=WARN [ 86.462971][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 86.462973][ T69] Workqueue: netns cleanup_net [ 86.462979][ T69] Call Trace: [ 86.462981][ T69] [ 86.462983][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 86.462988][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 86.462989][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 86.462993][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 86.462995][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 86.462998][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.463001][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 86.463004][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 86.463007][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 86.463011][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 86.463013][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 86.463015][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 86.463017][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 86.463019][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 86.463021][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 86.463026][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 86.463027][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 86.463030][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 86.463031][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.463033][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.463034][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 86.463037][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 86.463039][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.463040][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.463041][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.463042][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.463044][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 86.463046][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 86.463048][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 86.463051][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 86.463053][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.463055][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 86.463056][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.463057][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 86.463059][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 86.463060][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 86.463062][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 86.463064][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 86.463065][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 86.463067][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 86.463068][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 86.463069][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 86.463072][ T69] ? kthread (kernel/kthread.c:436) [ 86.463074][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 86.463077][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 86.463080][ T69] _printk (kernel/printk/printk.c:2504) [ 86.463083][ T69] ? snapshot_read.cold (user.c:?) [ 86.463085][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 86.463088][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 86.463090][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 86.463092][ T69] ? netdev_notice (net/core/dev.c:13194) [ 86.463095][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.463096][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 86.463097][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 86.463100][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 86.463101][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 86.463103][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 86.463105][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 86.463108][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 86.463112][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 86.463114][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 86.463116][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 86.463118][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 86.463120][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 86.463123][ T69] cleanup_net (net/core/net_namespace.c:706) [ 86.463125][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 86.463127][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.463129][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.463130][ T69] process_one_work (kernel/workqueue.c:3387) [ 86.463133][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 86.463135][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 86.463137][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 86.463140][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 86.463142][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 86.463144][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 86.463146][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 86.463148][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 86.463149][ T69] kthread (kernel/kthread.c:436) [ 86.463151][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 86.463152][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 86.463154][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 86.463156][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 86.463158][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 86.463161][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 86.463163][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 87.668477][ T2204] softirqs last disabled at (0): 0x0 | [ 87.668478][ T2204] Preemption disabled at: | [ 87.668479][ T2204] vprintk_emit (kernel/printk/printk.c:2471) | [ 87.668489][ T2204] Tainted: [W]=WARN [ 87.668490][ T2204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 87.668492][ T2204] Call Trace: [ 87.668493][ T2204] [ 87.668494][ T2204] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 87.668500][ T2204] ? vprintk_emit (kernel/printk/printk.c:2471) [ 87.668502][ T2204] __might_resched.cold (kernel/sched/core.c:9234) [ 87.668505][ T2204] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 87.668507][ T2204] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 87.668511][ T2204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.668513][ T2204] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 87.668516][ T2204] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 87.668519][ T2204] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 87.668524][ T2204] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 87.668526][ T2204] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 87.668528][ T2204] put_chars (drivers/char/virtio_console.c:1176) [ 87.668530][ T2204] ? __send_to_port (drivers/char/virtio_console.c:654) [ 87.668531][ T2204] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 87.668534][ T2204] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 87.668539][ T2204] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 87.668541][ T2204] ? vsnprintf (lib/vsprintf.c:2900) [ 87.668544][ T2204] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 87.668545][ T2204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.668547][ T2204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.668548][ T2204] console_emit_next_record (kernel/printk/printk.c:3183) [ 87.668551][ T2204] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 87.668553][ T2204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.668554][ T2204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.668555][ T2204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.668556][ T2204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.668558][ T2204] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 87.668560][ T2204] console_flush_one_record (kernel/printk/printk.c:3268) [ 87.668562][ T2204] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 87.668565][ T2204] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 87.668567][ T2204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.668568][ T2204] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 87.668570][ T2204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.668571][ T2204] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 87.668572][ T2204] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 87.668574][ T2204] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 87.668575][ T2204] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 87.668577][ T2204] ? vprintk_emit (kernel/printk/printk.c:2478) [ 87.668579][ T2204] vprintk_emit (kernel/printk/printk.c:2479) [ 87.668580][ T2204] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 87.668581][ T2204] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 87.668583][ T2204] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 87.668586][ T2204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.668588][ T2204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.668589][ T2204] _printk (kernel/printk/printk.c:2504) [ 87.668592][ T2204] ? snapshot_read.cold (user.c:?) [ 87.668594][ T2204] ? br_multicast_flood (??:?) [ 87.668598][ T2204] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 87.668600][ T2204] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 87.668601][ T2204] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 87.668603][ T2204] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 87.668606][ T2204] br_init_port (net/bridge/br_stp_if.c:39) [ 87.668608][ T2204] new_nbp (net/bridge/br_if.c:449) [ 87.668610][ T2204] br_add_if (net/bridge/br_if.c:592) [ 87.668612][ T2204] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 87.668616][ T2204] do_set_master (net/core/rtnetlink.c:3071) [ 87.668618][ T2204] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 87.668620][ T2204] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 87.668621][ T2204] ? __dev_get_by_name (net/core/dev.c:905) [ 87.668623][ T2204] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 87.668626][ T2204] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 87.668629][ T2204] rtnl_newlink (net/core/rtnetlink.c:4215) [ 87.668630][ T2204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.668632][ T2204] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 87.668633][ T2204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.668634][ T2204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.668636][ T2204] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 87.668638][ T2204] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 87.668640][ T2204] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 87.668642][ T2204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.668643][ T2204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.668644][ T2204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.668646][ T2204] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 87.668647][ T2204] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 87.668649][ T2204] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 87.668650][ T2204] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 87.668652][ T2204] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 87.668656][ T2204] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 87.668659][ T2204] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 87.668660][ T2204] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 87.668662][ T2204] ? netlink_ack (./include/linux/skbuff.h:2718) [ 87.668663][ T2204] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 87.668666][ T2204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.668667][ T2204] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 87.668669][ T2204] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 87.668671][ T2204] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 87.668673][ T2204] ? next_uptodate_folio (mm/filemap.c:3747) [ 87.668676][ T2204] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 87.668678][ T2204] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 87.668680][ T2204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.668682][ T2204] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 87.668685][ T2204] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 87.668688][ T2204] ____sys_sendmsg (net/socket.c:2713) [ 87.668690][ T2204] ? copy_msghdr_from_user (net/socket.c:2650) [ 87.668691][ T2204] ? sock_write_iter (net/socket.c:1269) [ 87.668693][ T2204] ? move_addr_to_kernel (net/socket.c:258) [ 87.668695][ T2204] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 87.668697][ T2204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.668699][ T2204] ___sys_sendmsg (net/socket.c:2767) [ 87.668701][ T2204] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 87.668703][ T2204] ? copy_msghdr_from_user (net/socket.c:2619) [ 87.668704][ T2204] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 87.668709][ T2204] __sys_sendmsg (net/socket.c:2799) [ 87.668711][ T2204] ? __sys_sendmsg_sock (net/socket.c:2780) [ 87.668714][ T2204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.668715][ T2204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.668716][ T2204] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 87.668719][ T2204] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 87.668721][ T2204] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 87.668723][ T2204] RIP: 0033:0x7f5e7ac0c54e [ 87.668725][ T2204] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 87.668727][ T2204] RSP: 002b:00007ffda17bf160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 87.668730][ T2204] RAX: ffffffffffffffda RBX: 00007ffda17bf928 RCX: 00007f5e7ac0c54e [ 87.668732][ T2204] RDX: 0000000000000000 RSI: 00007ffda17bf210 RDI: 0000000000000005 [ 87.668733][ T2204] RBP: 00007ffda17bf170 R08: 0000000000000000 R09: 0000000000000000 [ 87.668734][ T2204] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e69 [ 87.668734][ T2204] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda17bf8e0 | [ 89.058522][ T2273] softirqs last disabled at (0): 0x0 | [ 89.058524][ T2273] Preemption disabled at: | [ 89.058525][ T2273] vprintk_emit (kernel/printk/printk.c:2471) | [ 89.058536][ T2273] Tainted: [W]=WARN [ 89.058537][ T2273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 89.058539][ T2273] Call Trace: [ 89.058540][ T2273] [ 89.058541][ T2273] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 89.058547][ T2273] ? vprintk_emit (kernel/printk/printk.c:2471) [ 89.058548][ T2273] __might_resched.cold (kernel/sched/core.c:9234) [ 89.058552][ T2273] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 89.058555][ T2273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.058558][ T2273] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 89.058561][ T2273] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 89.058564][ T2273] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 89.058569][ T2273] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 89.058571][ T2273] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 89.058573][ T2273] put_chars (drivers/char/virtio_console.c:1176) [ 89.058575][ T2273] ? __send_to_port (drivers/char/virtio_console.c:654) [ 89.058576][ T2273] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 89.058579][ T2273] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 89.058581][ T2273] ? pointer (lib/vsprintf.c:2577) [ 89.058584][ T2273] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 89.058589][ T2273] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 89.058590][ T2273] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 89.058592][ T2273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.058595][ T2273] console_emit_next_record (kernel/printk/printk.c:3183) [ 89.058598][ T2273] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 89.058600][ T2273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.058601][ T2273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.058602][ T2273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.058603][ T2273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.058605][ T2273] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 89.058607][ T2273] console_flush_one_record (kernel/printk/printk.c:3268) [ 89.058609][ T2273] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 89.058612][ T2273] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 89.058614][ T2273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.058616][ T2273] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 89.058618][ T2273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.058619][ T2273] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 89.058620][ T2273] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 89.058622][ T2273] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 89.058623][ T2273] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 89.058625][ T2273] ? vprintk_emit (kernel/printk/printk.c:2478) [ 89.058627][ T2273] vprintk_emit (kernel/printk/printk.c:2479) [ 89.058629][ T2273] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 89.058630][ T2273] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 89.058632][ T2273] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 89.058635][ T2273] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 89.058638][ T2273] _printk (kernel/printk/printk.c:2504) [ 89.058641][ T2273] ? snapshot_read.cold (user.c:?) [ 89.058643][ T2273] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 89.058645][ T2273] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 89.058648][ T2273] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 89.058650][ T2273] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 89.058653][ T2273] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 89.058656][ T2273] ? netdev_notice (net/core/dev.c:13194) [ 89.058658][ T2273] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 89.058659][ T2273] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 89.058662][ T2273] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 89.058664][ T2273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.058665][ T2273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.058666][ T2273] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 89.058667][ T2273] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 89.058669][ T2273] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 89.058670][ T2273] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 89.058671][ T2273] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 89.058673][ T2273] ? register_netdev (net/core/dev.c:11618) [ 89.058675][ T2273] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 89.058677][ T2273] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 89.058679][ T2273] ? __kernel_text_address (kernel/extable.c:79) [ 89.058682][ T2273] ? write_profile (profile.c:?) [ 89.058685][ T2273] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 89.058688][ T2273] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 89.058690][ T2273] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 89.058692][ T2273] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 89.058693][ T2273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.058694][ T2273] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 89.058698][ T2273] ? kasan_save_stack (mm/kasan/common.c:58) [ 89.058699][ T2273] ? kasan_save_stack (mm/kasan/common.c:57) [ 89.058700][ T2273] ? kasan_save_track (mm/kasan/common.c:78) [ 89.058701][ T2273] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 89.058703][ T2273] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 89.058704][ T2273] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 89.058705][ T2273] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 89.058706][ T2273] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 89.058709][ T2273] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 89.058711][ T2273] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 89.058712][ T2273] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 89.058715][ T2273] ? ____sys_sendmsg (net/socket.c:2713) [ 89.058716][ T2273] ? ___sys_sendmsg (net/socket.c:2767) [ 89.058718][ T2273] ? __sys_sendmsg (net/socket.c:2799) [ 89.058720][ T2273] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 89.058722][ T2273] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 89.058724][ T2273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.058726][ T2273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.058727][ T2273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.058728][ T2273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.058729][ T2273] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 89.058731][ T2273] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 89.058732][ T2273] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 89.058733][ T2273] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 89.058735][ T2273] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 89.058736][ T2273] ? nla_get_range_signed (lib/nlattr.c:270) [ 89.058739][ T2273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.058741][ T2273] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 89.058743][ T2273] rtnl_newlink (net/core/rtnetlink.c:4215) [ 89.058745][ T2273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.058746][ T2273] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 89.058747][ T2273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.058749][ T2273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.058750][ T2273] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 89.058752][ T2273] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 89.058754][ T2273] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 89.058755][ T2273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.058757][ T2273] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 89.058760][ T2273] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 89.058763][ T2273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.058764][ T2273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.058765][ T2273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.058767][ T2273] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 89.058768][ T2273] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 89.058770][ T2273] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 89.058771][ T2273] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 89.058772][ T2273] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 89.058775][ T2273] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 89.058777][ T2273] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 89.058778][ T2273] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 89.058780][ T2273] ? netlink_ack (./include/linux/skbuff.h:2718) [ 89.058781][ T2273] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 89.058784][ T2273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.058785][ T2273] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 89.058787][ T2273] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 89.058789][ T2273] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 89.058791][ T2273] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 89.058793][ T2273] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 89.058795][ T2273] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 89.058797][ T2273] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 89.058799][ T2273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.058800][ T2273] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 89.058804][ T2273] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 89.058805][ T2273] ____sys_sendmsg (net/socket.c:2713) [ 89.058807][ T2273] ? copy_msghdr_from_user (net/socket.c:2650) [ 89.058809][ T2273] ? sock_write_iter (net/socket.c:1269) [ 89.058810][ T2273] ? move_addr_to_kernel (net/socket.c:258) [ 89.058812][ T2273] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 89.058815][ T2273] ___sys_sendmsg (net/socket.c:2767) [ 89.058816][ T2273] ? copy_msghdr_from_user (net/socket.c:2619) [ 89.058821][ T2273] __sys_sendmsg (net/socket.c:2799) [ 89.058823][ T2273] ? __sys_sendmsg_sock (net/socket.c:2780) [ 89.058826][ T2273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.058828][ T2273] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 89.058829][ T2273] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 89.058831][ T2273] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 89.058833][ T2273] RIP: 0033:0x7fbf1813c54e [ 89.058835][ T2273] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 89.058836][ T2273] RSP: 002b:00007ffea887c800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 89.058840][ T2273] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fbf1813c54e [ 89.058841][ T2273] RDX: 0000000000000000 RSI: 00007ffea887c8b0 RDI: 0000000000000005 [ 89.058842][ T2273] RBP: 00007ffea887c810 R08: 0000000000000000 R09: 0000000000000000 [ 89.058843][ T2273] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e6a [ 89.058844][ T2273] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea887cf70 | [ 90.171894][ T2323] softirqs last disabled at (0): 0x0 | [ 90.171896][ T2323] Preemption disabled at: | [ 90.171897][ T2323] vprintk_emit (kernel/printk/printk.c:2471) | [ 90.171907][ T2323] Tainted: [W]=WARN [ 90.171908][ T2323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 90.171910][ T2323] Call Trace: [ 90.171911][ T2323] [ 90.171913][ T2323] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 90.171919][ T2323] ? vprintk_emit (kernel/printk/printk.c:2471) [ 90.171920][ T2323] __might_resched.cold (kernel/sched/core.c:9234) [ 90.171924][ T2323] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 90.171926][ T2323] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 90.171930][ T2323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.171932][ T2323] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 90.171935][ T2323] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 90.171939][ T2323] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 90.171944][ T2323] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 90.171945][ T2323] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 90.171948][ T2323] put_chars (drivers/char/virtio_console.c:1176) [ 90.171950][ T2323] ? __send_to_port (drivers/char/virtio_console.c:654) [ 90.171951][ T2323] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 90.171954][ T2323] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 90.171959][ T2323] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 90.171960][ T2323] ? vsnprintf (lib/vsprintf.c:2900) [ 90.171963][ T2323] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 90.171965][ T2323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.171966][ T2323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.171968][ T2323] console_emit_next_record (kernel/printk/printk.c:3183) [ 90.171971][ T2323] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 90.171973][ T2323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.171974][ T2323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.171975][ T2323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.171976][ T2323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.171978][ T2323] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 90.171980][ T2323] console_flush_one_record (kernel/printk/printk.c:3268) [ 90.171983][ T2323] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 90.171985][ T2323] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 90.171987][ T2323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.171989][ T2323] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 90.171991][ T2323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.171991][ T2323] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 90.171993][ T2323] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 90.171995][ T2323] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 90.171996][ T2323] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 90.171998][ T2323] ? vprintk_emit (kernel/printk/printk.c:2478) [ 90.172000][ T2323] vprintk_emit (kernel/printk/printk.c:2479) [ 90.172002][ T2323] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 90.172003][ T2323] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 90.172005][ T2323] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 90.172008][ T2323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.172009][ T2323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.172011][ T2323] _printk (kernel/printk/printk.c:2504) [ 90.172014][ T2323] ? snapshot_read.cold (user.c:?) [ 90.172016][ T2323] ? br_multicast_flood (??:?) [ 90.172019][ T2323] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 90.172022][ T2323] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 90.172023][ T2323] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 90.172025][ T2323] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 90.172028][ T2323] br_init_port (net/bridge/br_stp_if.c:39) [ 90.172030][ T2323] new_nbp (net/bridge/br_if.c:449) [ 90.172032][ T2323] br_add_if (net/bridge/br_if.c:592) [ 90.172034][ T2323] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 90.172038][ T2323] do_set_master (net/core/rtnetlink.c:3071) [ 90.172040][ T2323] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 90.172042][ T2323] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 90.172043][ T2323] ? __dev_get_by_name (net/core/dev.c:905) [ 90.172045][ T2323] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 90.172049][ T2323] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 90.172051][ T2323] rtnl_newlink (net/core/rtnetlink.c:4215) [ 90.172053][ T2323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.172054][ T2323] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 90.172056][ T2323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.172057][ T2323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.172059][ T2323] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 90.172062][ T2323] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 90.172064][ T2323] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 90.172066][ T2323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.172067][ T2323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.172068][ T2323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.172070][ T2323] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 90.172071][ T2323] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 90.172073][ T2323] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 90.172074][ T2323] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 90.172076][ T2323] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 90.172079][ T2323] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 90.172083][ T2323] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 90.172084][ T2323] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 90.172086][ T2323] ? netlink_ack (./include/linux/skbuff.h:2718) [ 90.172087][ T2323] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 90.172090][ T2323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.172091][ T2323] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 90.172093][ T2323] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 90.172095][ T2323] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 90.172097][ T2323] ? next_uptodate_folio (mm/filemap.c:3747) [ 90.172101][ T2323] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 90.172103][ T2323] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 90.172105][ T2323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.172106][ T2323] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 90.172110][ T2323] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 90.172113][ T2323] ____sys_sendmsg (net/socket.c:2713) [ 90.172115][ T2323] ? copy_msghdr_from_user (net/socket.c:2650) [ 90.172116][ T2323] ? sock_write_iter (net/socket.c:1269) [ 90.172118][ T2323] ? move_addr_to_kernel (net/socket.c:258) [ 90.172120][ T2323] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 90.172122][ T2323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.172125][ T2323] ___sys_sendmsg (net/socket.c:2767) [ 90.172126][ T2323] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 90.172128][ T2323] ? copy_msghdr_from_user (net/socket.c:2619) [ 90.172130][ T2323] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 90.172134][ T2323] __sys_sendmsg (net/socket.c:2799) [ 90.172137][ T2323] ? __sys_sendmsg_sock (net/socket.c:2780) [ 90.172139][ T2323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.172140][ T2323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.172142][ T2323] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 90.172145][ T2323] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 90.172147][ T2323] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 90.172149][ T2323] RIP: 0033:0x7efc183d054e [ 90.172151][ T2323] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 90.172153][ T2323] RSP: 002b:00007ffc6f75e9c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 90.172156][ T2323] RAX: ffffffffffffffda RBX: 00007ffc6f75f188 RCX: 00007efc183d054e [ 90.172158][ T2323] RDX: 0000000000000000 RSI: 00007ffc6f75ea70 RDI: 0000000000000005 [ 90.172159][ T2323] RBP: 00007ffc6f75e9d0 R08: 0000000000000000 R09: 0000000000000000 [ 90.172160][ T2323] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e6b [ 90.172160][ T2323] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6f75f140 | [ 96.537693][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 96.537695][ T69] Preemption disabled at: | [ 96.537696][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 96.537706][ T69] Tainted: [W]=WARN [ 96.537707][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 96.537709][ T69] Workqueue: netns cleanup_net [ 96.537714][ T69] Call Trace: [ 96.537716][ T69] [ 96.537718][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 96.537724][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 96.537725][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 96.537729][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 96.537731][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 96.537734][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.537737][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 96.537740][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 96.537742][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 96.537747][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 96.537749][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 96.537752][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 96.537753][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 96.537755][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 96.537758][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 96.537763][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 96.537764][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 96.537767][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 96.537769][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.537770][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.537771][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 96.537774][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 96.537776][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.537777][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.537778][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.537779][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.537782][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 96.537783][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 96.537786][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 96.537788][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 96.537790][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.537792][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 96.537794][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.537795][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 96.537797][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 96.537798][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 96.537800][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 96.537802][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 96.537803][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 96.537805][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 96.537806][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 96.537808][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 96.537811][ T69] ? kthread (kernel/kthread.c:436) [ 96.537813][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 96.537815][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 96.537818][ T69] _printk (kernel/printk/printk.c:2504) [ 96.537821][ T69] ? snapshot_read.cold (user.c:?) [ 96.537823][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 96.537827][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 96.537829][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 96.537831][ T69] ? netdev_notice (net/core/dev.c:13194) [ 96.537833][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.537835][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 96.537836][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 96.537839][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 96.537840][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 96.537842][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 96.537844][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 96.537847][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 96.537851][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 96.537853][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 96.537855][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 96.537857][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 96.537859][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 96.537862][ T69] cleanup_net (net/core/net_namespace.c:706) [ 96.537864][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 96.537866][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.537868][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.537869][ T69] process_one_work (kernel/workqueue.c:3387) [ 96.537872][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 96.537874][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 96.537877][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 96.537879][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 96.537882][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 96.537883][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 96.537885][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 96.537887][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 96.537889][ T69] kthread (kernel/kthread.c:436) [ 96.537891][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 96.537892][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 96.537894][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 96.537896][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 96.537898][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 96.537901][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 96.537903][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 97.790434][ T2515] softirqs last disabled at (0): 0x0 | [ 97.790436][ T2515] Preemption disabled at: | [ 97.790437][ T2515] vprintk_emit (kernel/printk/printk.c:2471) | [ 97.790447][ T2515] Tainted: [W]=WARN [ 97.790448][ T2515] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 97.790450][ T2515] Call Trace: [ 97.790451][ T2515] [ 97.790453][ T2515] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 97.790459][ T2515] ? vprintk_emit (kernel/printk/printk.c:2471) [ 97.790460][ T2515] __might_resched.cold (kernel/sched/core.c:9234) [ 97.790464][ T2515] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 97.790466][ T2515] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 97.790469][ T2515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.790472][ T2515] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 97.790475][ T2515] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 97.790478][ T2515] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 97.790483][ T2515] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 97.790485][ T2515] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 97.790488][ T2515] put_chars (drivers/char/virtio_console.c:1176) [ 97.790490][ T2515] ? __send_to_port (drivers/char/virtio_console.c:654) [ 97.790491][ T2515] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 97.790494][ T2515] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 97.790499][ T2515] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 97.790500][ T2515] ? vsnprintf (lib/vsprintf.c:2900) [ 97.790504][ T2515] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 97.790505][ T2515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.790507][ T2515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.790508][ T2515] console_emit_next_record (kernel/printk/printk.c:3183) [ 97.790511][ T2515] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 97.790513][ T2515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.790514][ T2515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.790515][ T2515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.790516][ T2515] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.790519][ T2515] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 97.790521][ T2515] console_flush_one_record (kernel/printk/printk.c:3268) [ 97.790523][ T2515] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 97.790526][ T2515] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 97.790527][ T2515] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.790529][ T2515] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 97.790531][ T2515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.790532][ T2515] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 97.790533][ T2515] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 97.790535][ T2515] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 97.790536][ T2515] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 97.790538][ T2515] ? vprintk_emit (kernel/printk/printk.c:2478) [ 97.790539][ T2515] vprintk_emit (kernel/printk/printk.c:2479) [ 97.790541][ T2515] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 97.790542][ T2515] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 97.790544][ T2515] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 97.790547][ T2515] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.790549][ T2515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.790550][ T2515] _printk (kernel/printk/printk.c:2504) [ 97.790553][ T2515] ? snapshot_read.cold (user.c:?) [ 97.790555][ T2515] ? br_multicast_flood (??:?) [ 97.790559][ T2515] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 97.790561][ T2515] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 97.790563][ T2515] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 97.790564][ T2515] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 97.790567][ T2515] br_init_port (net/bridge/br_stp_if.c:39) [ 97.790569][ T2515] new_nbp (net/bridge/br_if.c:449) [ 97.790571][ T2515] br_add_if (net/bridge/br_if.c:592) [ 97.790573][ T2515] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 97.790577][ T2515] do_set_master (net/core/rtnetlink.c:3071) [ 97.790580][ T2515] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 97.790581][ T2515] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 97.790583][ T2515] ? __dev_get_by_name (net/core/dev.c:905) [ 97.790585][ T2515] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 97.790588][ T2515] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 97.790591][ T2515] rtnl_newlink (net/core/rtnetlink.c:4215) [ 97.790593][ T2515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.790594][ T2515] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 97.790596][ T2515] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.790597][ T2515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.790599][ T2515] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 97.790601][ T2515] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 97.790603][ T2515] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 97.790605][ T2515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.790606][ T2515] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.790608][ T2515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.790609][ T2515] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 97.790610][ T2515] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 97.790612][ T2515] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 97.790613][ T2515] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 97.790615][ T2515] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 97.790618][ T2515] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 97.790622][ T2515] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 97.790623][ T2515] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 97.790625][ T2515] ? netlink_ack (./include/linux/skbuff.h:2718) [ 97.790626][ T2515] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 97.790629][ T2515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.790630][ T2515] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 97.790632][ T2515] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 97.790634][ T2515] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 97.790636][ T2515] ? next_uptodate_folio (mm/filemap.c:3747) [ 97.790639][ T2515] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 97.790641][ T2515] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 97.790643][ T2515] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.790645][ T2515] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 97.790648][ T2515] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 97.790651][ T2515] ____sys_sendmsg (net/socket.c:2713) [ 97.790653][ T2515] ? copy_msghdr_from_user (net/socket.c:2650) [ 97.790655][ T2515] ? sock_write_iter (net/socket.c:1269) [ 97.790656][ T2515] ? move_addr_to_kernel (net/socket.c:258) [ 97.790658][ T2515] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 97.790661][ T2515] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.790663][ T2515] ___sys_sendmsg (net/socket.c:2767) [ 97.790664][ T2515] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 97.790666][ T2515] ? copy_msghdr_from_user (net/socket.c:2619) [ 97.790668][ T2515] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 97.790672][ T2515] __sys_sendmsg (net/socket.c:2799) [ 97.790674][ T2515] ? __sys_sendmsg_sock (net/socket.c:2780) [ 97.790677][ T2515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.790678][ T2515] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.790679][ T2515] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 97.790682][ T2515] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 97.790684][ T2515] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 97.790686][ T2515] RIP: 0033:0x7f14ae8db54e [ 97.790688][ T2515] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 97.790690][ T2515] RSP: 002b:00007ffea7336bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 97.790693][ T2515] RAX: ffffffffffffffda RBX: 00007ffea7337398 RCX: 00007f14ae8db54e [ 97.790695][ T2515] RDX: 0000000000000000 RSI: 00007ffea7336c80 RDI: 0000000000000005 [ 97.790696][ T2515] RBP: 00007ffea7336be0 R08: 0000000000000000 R09: 0000000000000000 [ 97.790697][ T2515] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e73 [ 97.790698][ T2515] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea7337350 | [ 99.157220][ T2584] softirqs last disabled at (0): 0x0 | [ 99.157221][ T2584] Preemption disabled at: | [ 99.157222][ T2584] vprintk_emit (kernel/printk/printk.c:2471) | [ 99.157232][ T2584] Tainted: [W]=WARN [ 99.157233][ T2584] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 99.157235][ T2584] Call Trace: [ 99.157236][ T2584] [ 99.157237][ T2584] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 99.157247][ T2584] ? vprintk_emit (kernel/printk/printk.c:2471) [ 99.157249][ T2584] __might_resched.cold (kernel/sched/core.c:9234) [ 99.157253][ T2584] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 99.157256][ T2584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.157259][ T2584] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 99.157262][ T2584] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 99.157265][ T2584] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 99.157270][ T2584] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 99.157272][ T2584] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 99.157274][ T2584] put_chars (drivers/char/virtio_console.c:1176) [ 99.157276][ T2584] ? __send_to_port (drivers/char/virtio_console.c:654) [ 99.157277][ T2584] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 99.157279][ T2584] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 99.157281][ T2584] ? pointer (lib/vsprintf.c:2577) [ 99.157285][ T2584] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 99.157289][ T2584] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 99.157291][ T2584] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 99.157293][ T2584] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.157295][ T2584] console_emit_next_record (kernel/printk/printk.c:3183) [ 99.157298][ T2584] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 99.157300][ T2584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.157301][ T2584] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.157303][ T2584] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 99.157305][ T2584] console_flush_one_record (kernel/printk/printk.c:3268) [ 99.157307][ T2584] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 99.157310][ T2584] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 99.157312][ T2584] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.157313][ T2584] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 99.157315][ T2584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.157316][ T2584] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 99.157318][ T2584] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 99.157319][ T2584] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 99.157321][ T2584] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 99.157323][ T2584] ? vprintk_emit (kernel/printk/printk.c:2478) [ 99.157325][ T2584] vprintk_emit (kernel/printk/printk.c:2479) [ 99.157326][ T2584] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 99.157328][ T2584] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 99.157330][ T2584] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 99.157333][ T2584] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 99.157335][ T2584] _printk (kernel/printk/printk.c:2504) [ 99.157338][ T2584] ? snapshot_read.cold (user.c:?) [ 99.157340][ T2584] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 99.157343][ T2584] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 99.157346][ T2584] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 99.157348][ T2584] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 99.157351][ T2584] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 99.157353][ T2584] ? netdev_notice (net/core/dev.c:13194) [ 99.157355][ T2584] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 99.157357][ T2584] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 99.157359][ T2584] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 99.157361][ T2584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.157362][ T2584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.157363][ T2584] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 99.157364][ T2584] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 99.157366][ T2584] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 99.157367][ T2584] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 99.157369][ T2584] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 99.157371][ T2584] ? register_netdev (net/core/dev.c:11618) [ 99.157372][ T2584] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 99.157374][ T2584] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 99.157376][ T2584] ? __kernel_text_address (kernel/extable.c:79) [ 99.157379][ T2584] ? write_profile (profile.c:?) [ 99.157382][ T2584] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 99.157386][ T2584] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 99.157387][ T2584] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 99.157389][ T2584] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 99.157390][ T2584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.157391][ T2584] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 99.157395][ T2584] ? kasan_save_stack (mm/kasan/common.c:58) [ 99.157396][ T2584] ? kasan_save_stack (mm/kasan/common.c:57) [ 99.157397][ T2584] ? kasan_save_track (mm/kasan/common.c:78) [ 99.157399][ T2584] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 99.157400][ T2584] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 99.157401][ T2584] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 99.157402][ T2584] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 99.157403][ T2584] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 99.157406][ T2584] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 99.157408][ T2584] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 99.157409][ T2584] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 99.157412][ T2584] ? ____sys_sendmsg (net/socket.c:2713) [ 99.157414][ T2584] ? ___sys_sendmsg (net/socket.c:2767) [ 99.157415][ T2584] ? __sys_sendmsg (net/socket.c:2799) [ 99.157417][ T2584] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 99.157419][ T2584] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 99.157422][ T2584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.157423][ T2584] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.157424][ T2584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.157425][ T2584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.157426][ T2584] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 99.157428][ T2584] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 99.157429][ T2584] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 99.157430][ T2584] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 99.157432][ T2584] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 99.157433][ T2584] ? nla_get_range_signed (lib/nlattr.c:270) [ 99.157436][ T2584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.157437][ T2584] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 99.157439][ T2584] rtnl_newlink (net/core/rtnetlink.c:4215) [ 99.157441][ T2584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.157442][ T2584] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 99.157443][ T2584] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.157445][ T2584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.157446][ T2584] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 99.157449][ T2584] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 99.157450][ T2584] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 99.157451][ T2584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.157452][ T2584] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 99.157456][ T2584] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 99.157458][ T2584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.157459][ T2584] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.157460][ T2584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.157462][ T2584] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 99.157463][ T2584] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 99.157465][ T2584] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 99.157466][ T2584] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 99.157468][ T2584] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 99.157470][ T2584] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 99.157471][ T2584] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 99.157473][ T2584] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 99.157474][ T2584] ? netlink_ack (./include/linux/skbuff.h:2718) [ 99.157476][ T2584] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 99.157479][ T2584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.157480][ T2584] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 99.157482][ T2584] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 99.157484][ T2584] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 99.157486][ T2584] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 99.157488][ T2584] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 99.157490][ T2584] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 99.157491][ T2584] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 99.157493][ T2584] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 99.157494][ T2584] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 99.157498][ T2584] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 99.157499][ T2584] ____sys_sendmsg (net/socket.c:2713) [ 99.157501][ T2584] ? copy_msghdr_from_user (net/socket.c:2650) [ 99.157503][ T2584] ? sock_write_iter (net/socket.c:1269) [ 99.157504][ T2584] ? move_addr_to_kernel (net/socket.c:258) [ 99.157505][ T2584] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 99.157508][ T2584] ___sys_sendmsg (net/socket.c:2767) [ 99.157510][ T2584] ? copy_msghdr_from_user (net/socket.c:2619) [ 99.157515][ T2584] __sys_sendmsg (net/socket.c:2799) [ 99.157516][ T2584] ? __sys_sendmsg_sock (net/socket.c:2780) [ 99.157519][ T2584] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 99.157521][ T2584] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 99.157522][ T2584] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 99.157524][ T2584] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 99.157525][ T2584] RIP: 0033:0x7f769725154e [ 99.157527][ T2584] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 99.157529][ T2584] RSP: 002b:00007fffe9cc72f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 99.157533][ T2584] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f769725154e [ 99.157534][ T2584] RDX: 0000000000000000 RSI: 00007fffe9cc73a0 RDI: 0000000000000005 [ 99.157535][ T2584] RBP: 00007fffe9cc7300 R08: 0000000000000000 R09: 0000000000000000 [ 99.157536][ T2584] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e74 [ 99.157537][ T2584] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe9cc7a60 | [ 100.258447][ T2634] softirqs last disabled at (0): 0x0 | [ 100.258449][ T2634] Preemption disabled at: | [ 100.258450][ T2634] vprintk_emit (kernel/printk/printk.c:2471) | [ 100.258461][ T2634] Tainted: [W]=WARN [ 100.258462][ T2634] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 100.258464][ T2634] Call Trace: [ 100.258466][ T2634] [ 100.258467][ T2634] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 100.258473][ T2634] ? vprintk_emit (kernel/printk/printk.c:2471) [ 100.258474][ T2634] __might_resched.cold (kernel/sched/core.c:9234) [ 100.258478][ T2634] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 100.258481][ T2634] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 100.258484][ T2634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.258487][ T2634] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 100.258490][ T2634] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 100.258493][ T2634] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 100.258498][ T2634] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 100.258500][ T2634] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 100.258503][ T2634] put_chars (drivers/char/virtio_console.c:1176) [ 100.258504][ T2634] ? __send_to_port (drivers/char/virtio_console.c:654) [ 100.258506][ T2634] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 100.258509][ T2634] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 100.258514][ T2634] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 100.258515][ T2634] ? vsnprintf (lib/vsprintf.c:2900) [ 100.258519][ T2634] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 100.258521][ T2634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.258522][ T2634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.258523][ T2634] console_emit_next_record (kernel/printk/printk.c:3183) [ 100.258526][ T2634] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 100.258528][ T2634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.258529][ T2634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.258530][ T2634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.258531][ T2634] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 100.258534][ T2634] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 100.258536][ T2634] console_flush_one_record (kernel/printk/printk.c:3268) [ 100.258539][ T2634] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 100.258542][ T2634] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 100.258544][ T2634] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 100.258545][ T2634] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 100.258547][ T2634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.258548][ T2634] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 100.258550][ T2634] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 100.258551][ T2634] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 100.258553][ T2634] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 100.258555][ T2634] ? vprintk_emit (kernel/printk/printk.c:2478) [ 100.258557][ T2634] vprintk_emit (kernel/printk/printk.c:2479) [ 100.258558][ T2634] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 100.258560][ T2634] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 100.258561][ T2634] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 100.258564][ T2634] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 100.258566][ T2634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.258567][ T2634] _printk (kernel/printk/printk.c:2504) [ 100.258571][ T2634] ? snapshot_read.cold (user.c:?) [ 100.258573][ T2634] ? br_multicast_flood (??:?) [ 100.258576][ T2634] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 100.258579][ T2634] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 100.258580][ T2634] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 100.258582][ T2634] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 100.258585][ T2634] br_init_port (net/bridge/br_stp_if.c:39) [ 100.258587][ T2634] new_nbp (net/bridge/br_if.c:449) [ 100.258589][ T2634] br_add_if (net/bridge/br_if.c:592) [ 100.258591][ T2634] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 100.258595][ T2634] do_set_master (net/core/rtnetlink.c:3071) [ 100.258597][ T2634] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 100.258599][ T2634] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 100.258601][ T2634] ? __dev_get_by_name (net/core/dev.c:905) [ 100.258602][ T2634] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 100.258606][ T2634] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 100.258609][ T2634] rtnl_newlink (net/core/rtnetlink.c:4215) [ 100.258611][ T2634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.258612][ T2634] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 100.258613][ T2634] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 100.258615][ T2634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.258616][ T2634] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 100.258619][ T2634] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 100.258621][ T2634] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 100.258623][ T2634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.258624][ T2634] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 100.258626][ T2634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.258627][ T2634] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 100.258628][ T2634] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 100.258630][ T2634] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 100.258631][ T2634] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 100.258633][ T2634] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 100.258637][ T2634] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 100.258640][ T2634] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 100.258641][ T2634] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 100.258643][ T2634] ? netlink_ack (./include/linux/skbuff.h:2718) [ 100.258645][ T2634] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 100.258648][ T2634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.258649][ T2634] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 100.258651][ T2634] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 100.258653][ T2634] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 100.258655][ T2634] ? next_uptodate_folio (mm/filemap.c:3747) [ 100.258659][ T2634] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 100.258661][ T2634] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 100.258663][ T2634] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 100.258665][ T2634] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 100.258668][ T2634] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 100.258673][ T2634] ____sys_sendmsg (net/socket.c:2713) [ 100.258675][ T2634] ? copy_msghdr_from_user (net/socket.c:2650) [ 100.258677][ T2634] ? sock_write_iter (net/socket.c:1269) [ 100.258678][ T2634] ? move_addr_to_kernel (net/socket.c:258) [ 100.258681][ T2634] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 100.258683][ T2634] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 100.258685][ T2634] ___sys_sendmsg (net/socket.c:2767) [ 100.258687][ T2634] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 100.258689][ T2634] ? copy_msghdr_from_user (net/socket.c:2619) [ 100.258690][ T2634] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 100.258695][ T2634] __sys_sendmsg (net/socket.c:2799) [ 100.258697][ T2634] ? __sys_sendmsg_sock (net/socket.c:2780) [ 100.258700][ T2634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.258701][ T2634] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 100.258703][ T2634] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 100.258705][ T2634] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 100.258707][ T2634] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 100.258710][ T2634] RIP: 0033:0x7ff73493d54e [ 100.258712][ T2634] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 100.258714][ T2634] RSP: 002b:00007ffca3735420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 100.258717][ T2634] RAX: ffffffffffffffda RBX: 00007ffca3735be8 RCX: 00007ff73493d54e [ 100.258719][ T2634] RDX: 0000000000000000 RSI: 00007ffca37354d0 RDI: 0000000000000005 [ 100.258720][ T2634] RBP: 00007ffca3735430 R08: 0000000000000000 R09: 0000000000000000 [ 100.258721][ T2634] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e75 [ 100.258722][ T2634] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca3735ba0 | [ 106.723279][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 106.723281][ T69] Preemption disabled at: | [ 106.723282][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 106.723291][ T69] Tainted: [W]=WARN [ 106.723292][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 106.723294][ T69] Workqueue: netns cleanup_net [ 106.723300][ T69] Call Trace: [ 106.723301][ T69] [ 106.723303][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 106.723309][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 106.723310][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 106.723314][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 106.723316][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 106.723319][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.723321][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 106.723324][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 106.723327][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 106.723332][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 106.723334][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 106.723336][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 106.723338][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 106.723340][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 106.723342][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 106.723347][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 106.723349][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 106.723351][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 106.723353][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.723354][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.723356][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 106.723358][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 106.723360][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.723361][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.723362][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.723363][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 106.723366][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 106.723368][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 106.723370][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 106.723373][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 106.723374][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 106.723376][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 106.723378][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.723379][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 106.723380][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 106.723382][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 106.723383][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 106.723385][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 106.723386][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 106.723388][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 106.723389][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 106.723391][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 106.723394][ T69] ? kthread (kernel/kthread.c:436) [ 106.723396][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 106.723398][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 106.723401][ T69] _printk (kernel/printk/printk.c:2504) [ 106.723404][ T69] ? snapshot_read.cold (user.c:?) [ 106.723406][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 106.723409][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 106.723411][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 106.723413][ T69] ? netdev_notice (net/core/dev.c:13194) [ 106.723416][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.723417][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 106.723418][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 106.723421][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 106.723422][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 106.723424][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 106.723426][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 106.723428][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 106.723432][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 106.723434][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 106.723437][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 106.723439][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 106.723441][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 106.723443][ T69] cleanup_net (net/core/net_namespace.c:706) [ 106.723445][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 106.723447][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 106.723449][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.723450][ T69] process_one_work (kernel/workqueue.c:3387) [ 106.723453][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 106.723455][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 106.723457][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 106.723460][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 106.723462][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 106.723464][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 106.723466][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 106.723468][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 106.723469][ T69] kthread (kernel/kthread.c:436) [ 106.723471][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 106.723473][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 106.723474][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 106.723476][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 106.723478][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 106.723481][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 106.723483][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 108.167324][ T2827] softirqs last disabled at (0): 0x0 | [ 108.167326][ T2827] Preemption disabled at: | [ 108.167327][ T2827] vprintk_emit (kernel/printk/printk.c:2471) | [ 108.167336][ T2827] Tainted: [W]=WARN [ 108.167337][ T2827] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 108.167339][ T2827] Call Trace: [ 108.167341][ T2827] [ 108.167342][ T2827] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 108.167348][ T2827] ? vprintk_emit (kernel/printk/printk.c:2471) [ 108.167349][ T2827] __might_resched.cold (kernel/sched/core.c:9234) [ 108.167353][ T2827] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 108.167355][ T2827] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 108.167358][ T2827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.167361][ T2827] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 108.167364][ T2827] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 108.167367][ T2827] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 108.167372][ T2827] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 108.167373][ T2827] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 108.167376][ T2827] put_chars (drivers/char/virtio_console.c:1176) [ 108.167378][ T2827] ? __send_to_port (drivers/char/virtio_console.c:654) [ 108.167379][ T2827] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 108.167382][ T2827] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 108.167386][ T2827] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 108.167388][ T2827] ? vsnprintf (lib/vsprintf.c:2900) [ 108.167392][ T2827] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 108.167393][ T2827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.167394][ T2827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.167396][ T2827] console_emit_next_record (kernel/printk/printk.c:3183) [ 108.167399][ T2827] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 108.167401][ T2827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.167402][ T2827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.167403][ T2827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.167404][ T2827] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 108.167407][ T2827] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 108.167409][ T2827] console_flush_one_record (kernel/printk/printk.c:3268) [ 108.167411][ T2827] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 108.167414][ T2827] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 108.167415][ T2827] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 108.167417][ T2827] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 108.167419][ T2827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.167420][ T2827] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 108.167421][ T2827] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 108.167423][ T2827] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 108.167424][ T2827] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 108.167426][ T2827] ? vprintk_emit (kernel/printk/printk.c:2478) [ 108.167428][ T2827] vprintk_emit (kernel/printk/printk.c:2479) [ 108.167430][ T2827] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 108.167431][ T2827] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 108.167432][ T2827] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 108.167435][ T2827] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 108.167437][ T2827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.167438][ T2827] _printk (kernel/printk/printk.c:2504) [ 108.167441][ T2827] ? snapshot_read.cold (user.c:?) [ 108.167443][ T2827] ? br_multicast_flood (??:?) [ 108.167447][ T2827] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 108.167450][ T2827] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 108.167451][ T2827] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 108.167453][ T2827] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 108.167455][ T2827] br_init_port (net/bridge/br_stp_if.c:39) [ 108.167457][ T2827] new_nbp (net/bridge/br_if.c:449) [ 108.167459][ T2827] br_add_if (net/bridge/br_if.c:592) [ 108.167461][ T2827] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 108.167466][ T2827] do_set_master (net/core/rtnetlink.c:3071) [ 108.167468][ T2827] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 108.167470][ T2827] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 108.167471][ T2827] ? __dev_get_by_name (net/core/dev.c:905) [ 108.167473][ T2827] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 108.167476][ T2827] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 108.167479][ T2827] rtnl_newlink (net/core/rtnetlink.c:4215) [ 108.167481][ T2827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.167482][ T2827] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 108.167483][ T2827] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 108.167485][ T2827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.167486][ T2827] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 108.167489][ T2827] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 108.167490][ T2827] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 108.167493][ T2827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.167494][ T2827] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 108.167495][ T2827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.167497][ T2827] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 108.167498][ T2827] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 108.167500][ T2827] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 108.167501][ T2827] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 108.167502][ T2827] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 108.167506][ T2827] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 108.167510][ T2827] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 108.167511][ T2827] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 108.167513][ T2827] ? netlink_ack (./include/linux/skbuff.h:2718) [ 108.167514][ T2827] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 108.167517][ T2827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.167518][ T2827] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 108.167520][ T2827] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 108.167523][ T2827] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 108.167525][ T2827] ? next_uptodate_folio (mm/filemap.c:3747) [ 108.167527][ T2827] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 108.167530][ T2827] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 108.167532][ T2827] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 108.167533][ T2827] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 108.167537][ T2827] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 108.167540][ T2827] ____sys_sendmsg (net/socket.c:2713) [ 108.167542][ T2827] ? copy_msghdr_from_user (net/socket.c:2650) [ 108.167543][ T2827] ? sock_write_iter (net/socket.c:1269) [ 108.167545][ T2827] ? move_addr_to_kernel (net/socket.c:258) [ 108.167547][ T2827] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 108.167549][ T2827] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 108.167551][ T2827] ___sys_sendmsg (net/socket.c:2767) [ 108.167553][ T2827] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 108.167555][ T2827] ? copy_msghdr_from_user (net/socket.c:2619) [ 108.167556][ T2827] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 108.167561][ T2827] __sys_sendmsg (net/socket.c:2799) [ 108.167563][ T2827] ? __sys_sendmsg_sock (net/socket.c:2780) [ 108.167565][ T2827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.167567][ T2827] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 108.167568][ T2827] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 108.167571][ T2827] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 108.167572][ T2827] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 108.167575][ T2827] RIP: 0033:0x7fe840dc554e [ 108.167577][ T2827] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 108.167578][ T2827] RSP: 002b:00007ffc00784850 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 108.167582][ T2827] RAX: ffffffffffffffda RBX: 00007ffc00785018 RCX: 00007fe840dc554e [ 108.167583][ T2827] RDX: 0000000000000000 RSI: 00007ffc00784900 RDI: 0000000000000005 [ 108.167584][ T2827] RBP: 00007ffc00784860 R08: 0000000000000000 R09: 0000000000000000 [ 108.167585][ T2827] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e7d [ 108.167586][ T2827] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc00784fd0 | [ 109.554463][ T2896] softirqs last disabled at (0): 0x0 | [ 109.554465][ T2896] Preemption disabled at: | [ 109.554466][ T2896] vprintk_emit (kernel/printk/printk.c:2471) | [ 109.554476][ T2896] Tainted: [W]=WARN [ 109.554477][ T2896] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 109.554479][ T2896] Call Trace: [ 109.554481][ T2896] [ 109.554482][ T2896] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 109.554487][ T2896] ? vprintk_emit (kernel/printk/printk.c:2471) [ 109.554489][ T2896] __might_resched.cold (kernel/sched/core.c:9234) [ 109.554493][ T2896] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 109.554496][ T2896] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.554499][ T2896] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 109.554502][ T2896] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 109.554505][ T2896] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 109.554510][ T2896] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 109.554512][ T2896] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 109.554514][ T2896] put_chars (drivers/char/virtio_console.c:1176) [ 109.554516][ T2896] ? __send_to_port (drivers/char/virtio_console.c:654) [ 109.554517][ T2896] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 109.554520][ T2896] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 109.554522][ T2896] ? pointer (lib/vsprintf.c:2577) [ 109.554525][ T2896] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 109.554530][ T2896] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 109.554532][ T2896] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 109.554534][ T2896] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 109.554536][ T2896] console_emit_next_record (kernel/printk/printk.c:3183) [ 109.554539][ T2896] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 109.554541][ T2896] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.554542][ T2896] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.554543][ T2896] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.554545][ T2896] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 109.554547][ T2896] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 109.554549][ T2896] console_flush_one_record (kernel/printk/printk.c:3268) [ 109.554551][ T2896] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 109.554554][ T2896] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 109.554555][ T2896] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 109.554557][ T2896] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 109.554559][ T2896] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.554560][ T2896] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 109.554561][ T2896] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 109.554563][ T2896] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 109.554564][ T2896] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 109.554566][ T2896] ? vprintk_emit (kernel/printk/printk.c:2478) [ 109.554568][ T2896] vprintk_emit (kernel/printk/printk.c:2479) [ 109.554570][ T2896] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 109.554571][ T2896] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 109.554573][ T2896] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 109.554576][ T2896] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 109.554579][ T2896] _printk (kernel/printk/printk.c:2504) [ 109.554582][ T2896] ? snapshot_read.cold (user.c:?) [ 109.554584][ T2896] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 109.554586][ T2896] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 109.554589][ T2896] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 109.554591][ T2896] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 109.554594][ T2896] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 109.554596][ T2896] ? netdev_notice (net/core/dev.c:13194) [ 109.554599][ T2896] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 109.554600][ T2896] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 109.554603][ T2896] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 109.554604][ T2896] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.554605][ T2896] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.554606][ T2896] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 109.554608][ T2896] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 109.554609][ T2896] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 109.554611][ T2896] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 109.554612][ T2896] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 109.554614][ T2896] ? register_netdev (net/core/dev.c:11618) [ 109.554615][ T2896] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 109.554617][ T2896] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 109.554619][ T2896] ? __kernel_text_address (kernel/extable.c:79) [ 109.554622][ T2896] ? write_profile (profile.c:?) [ 109.554625][ T2896] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 109.554628][ T2896] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 109.554630][ T2896] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 109.554632][ T2896] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 109.554633][ T2896] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.554634][ T2896] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 109.554637][ T2896] ? kasan_save_stack (mm/kasan/common.c:58) [ 109.554639][ T2896] ? kasan_save_stack (mm/kasan/common.c:57) [ 109.554640][ T2896] ? kasan_save_track (mm/kasan/common.c:78) [ 109.554641][ T2896] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 109.554642][ T2896] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 109.554644][ T2896] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 109.554645][ T2896] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 109.554646][ T2896] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 109.554649][ T2896] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 109.554650][ T2896] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 109.554652][ T2896] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 109.554654][ T2896] ? ____sys_sendmsg (net/socket.c:2713) [ 109.554656][ T2896] ? ___sys_sendmsg (net/socket.c:2767) [ 109.554657][ T2896] ? __sys_sendmsg (net/socket.c:2799) [ 109.554659][ T2896] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 109.554661][ T2896] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 109.554664][ T2896] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.554665][ T2896] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 109.554666][ T2896] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.554667][ T2896] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.554668][ T2896] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 109.554670][ T2896] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 109.554671][ T2896] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 109.554672][ T2896] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 109.554674][ T2896] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 109.554675][ T2896] ? nla_get_range_signed (lib/nlattr.c:270) [ 109.554678][ T2896] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.554679][ T2896] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 109.554681][ T2896] rtnl_newlink (net/core/rtnetlink.c:4215) [ 109.554683][ T2896] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.554684][ T2896] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 109.554686][ T2896] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 109.554687][ T2896] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.554689][ T2896] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 109.554691][ T2896] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 109.554693][ T2896] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 109.554694][ T2896] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.554695][ T2896] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 109.554699][ T2896] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 109.554701][ T2896] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.554702][ T2896] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 109.554703][ T2896] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.554705][ T2896] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 109.554706][ T2896] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 109.554707][ T2896] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 109.554709][ T2896] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 109.554710][ T2896] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 109.554713][ T2896] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 109.554714][ T2896] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 109.554716][ T2896] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 109.554717][ T2896] ? netlink_ack (./include/linux/skbuff.h:2718) [ 109.554719][ T2896] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 109.554722][ T2896] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.554723][ T2896] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 109.554725][ T2896] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 109.554727][ T2896] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 109.554729][ T2896] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 109.554731][ T2896] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 109.554733][ T2896] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 109.554734][ T2896] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 109.554736][ T2896] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 109.554737][ T2896] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 109.554740][ T2896] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 109.554742][ T2896] ____sys_sendmsg (net/socket.c:2713) [ 109.554744][ T2896] ? copy_msghdr_from_user (net/socket.c:2650) [ 109.554746][ T2896] ? sock_write_iter (net/socket.c:1269) [ 109.554747][ T2896] ? move_addr_to_kernel (net/socket.c:258) [ 109.554749][ T2896] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 109.554751][ T2896] ___sys_sendmsg (net/socket.c:2767) [ 109.554753][ T2896] ? copy_msghdr_from_user (net/socket.c:2619) [ 109.554758][ T2896] __sys_sendmsg (net/socket.c:2799) [ 109.554760][ T2896] ? __sys_sendmsg_sock (net/socket.c:2780) [ 109.554763][ T2896] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 109.554764][ T2896] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 109.554766][ T2896] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 109.554768][ T2896] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 109.554769][ T2896] RIP: 0033:0x7f121a55654e [ 109.554771][ T2896] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 109.554773][ T2896] RSP: 002b:00007ffd99f20a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 109.554776][ T2896] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f121a55654e [ 109.554778][ T2896] RDX: 0000000000000000 RSI: 00007ffd99f20ad0 RDI: 0000000000000005 [ 109.554778][ T2896] RBP: 00007ffd99f20a30 R08: 0000000000000000 R09: 0000000000000000 [ 109.554779][ T2896] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e7e [ 109.554780][ T2896] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd99f21190 | [ 110.710190][ T2953] softirqs last disabled at (0): 0x0 | [ 110.710192][ T2953] Preemption disabled at: | [ 110.710192][ T2953] vprintk_emit (kernel/printk/printk.c:2471) | [ 110.710203][ T2953] Tainted: [W]=WARN [ 110.710204][ T2953] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 110.710206][ T2953] Call Trace: [ 110.710207][ T2953] [ 110.710208][ T2953] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 110.710214][ T2953] ? vprintk_emit (kernel/printk/printk.c:2471) [ 110.710216][ T2953] __might_resched.cold (kernel/sched/core.c:9234) [ 110.710219][ T2953] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 110.710222][ T2953] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 110.710225][ T2953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.710228][ T2953] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 110.710231][ T2953] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 110.710234][ T2953] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 110.710239][ T2953] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 110.710241][ T2953] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 110.710244][ T2953] put_chars (drivers/char/virtio_console.c:1176) [ 110.710246][ T2953] ? __send_to_port (drivers/char/virtio_console.c:654) [ 110.710247][ T2953] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 110.710250][ T2953] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 110.710255][ T2953] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 110.710257][ T2953] ? vsnprintf (lib/vsprintf.c:2900) [ 110.710260][ T2953] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 110.710262][ T2953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.710263][ T2953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.710264][ T2953] console_emit_next_record (kernel/printk/printk.c:3183) [ 110.710267][ T2953] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 110.710269][ T2953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.710270][ T2953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.710271][ T2953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.710272][ T2953] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 110.710275][ T2953] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 110.710276][ T2953] console_flush_one_record (kernel/printk/printk.c:3268) [ 110.710279][ T2953] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 110.710282][ T2953] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 110.710288][ T2953] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 110.710290][ T2953] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 110.710292][ T2953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.710293][ T2953] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 110.710294][ T2953] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 110.710296][ T2953] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 110.710297][ T2953] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 110.710299][ T2953] ? vprintk_emit (kernel/printk/printk.c:2478) [ 110.710301][ T2953] vprintk_emit (kernel/printk/printk.c:2479) [ 110.710303][ T2953] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 110.710304][ T2953] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 110.710306][ T2953] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 110.710309][ T2953] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 110.710310][ T2953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.710312][ T2953] _printk (kernel/printk/printk.c:2504) [ 110.710315][ T2953] ? snapshot_read.cold (user.c:?) [ 110.710317][ T2953] ? br_multicast_flood (??:?) [ 110.710321][ T2953] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 110.710324][ T2953] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 110.710325][ T2953] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 110.710327][ T2953] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 110.710330][ T2953] br_init_port (net/bridge/br_stp_if.c:39) [ 110.710332][ T2953] new_nbp (net/bridge/br_if.c:449) [ 110.710334][ T2953] br_add_if (net/bridge/br_if.c:592) [ 110.710336][ T2953] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 110.710341][ T2953] do_set_master (net/core/rtnetlink.c:3071) [ 110.710343][ T2953] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 110.710344][ T2953] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 110.710346][ T2953] ? __dev_get_by_name (net/core/dev.c:905) [ 110.710348][ T2953] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 110.710351][ T2953] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 110.710354][ T2953] rtnl_newlink (net/core/rtnetlink.c:4215) [ 110.710356][ T2953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.710357][ T2953] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 110.710358][ T2953] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 110.710360][ T2953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.710361][ T2953] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 110.710364][ T2953] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 110.710366][ T2953] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 110.710368][ T2953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.710369][ T2953] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 110.710371][ T2953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.710372][ T2953] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 110.710373][ T2953] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 110.710375][ T2953] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 110.710376][ T2953] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 110.710378][ T2953] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 110.710382][ T2953] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 110.710385][ T2953] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 110.710386][ T2953] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 110.710388][ T2953] ? netlink_ack (./include/linux/skbuff.h:2718) [ 110.710389][ T2953] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 110.710392][ T2953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.710393][ T2953] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 110.710395][ T2953] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 110.710398][ T2953] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 110.710400][ T2953] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 110.710402][ T2953] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 110.710405][ T2953] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 110.710408][ T2953] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 110.710410][ T2953] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 110.710411][ T2953] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 110.710415][ T2953] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 110.710418][ T2953] ____sys_sendmsg (net/socket.c:2713) [ 110.710420][ T2953] ? copy_msghdr_from_user (net/socket.c:2650) [ 110.710422][ T2953] ? sock_write_iter (net/socket.c:1269) [ 110.710423][ T2953] ? move_addr_to_kernel (net/socket.c:258) [ 110.710426][ T2953] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 110.710428][ T2953] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 110.710430][ T2953] ___sys_sendmsg (net/socket.c:2767) [ 110.710432][ T2953] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 110.710434][ T2953] ? copy_msghdr_from_user (net/socket.c:2619) [ 110.710435][ T2953] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 110.710440][ T2953] __sys_sendmsg (net/socket.c:2799) [ 110.710442][ T2953] ? __sys_sendmsg_sock (net/socket.c:2780) [ 110.710445][ T2953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.710446][ T2953] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 110.710448][ T2953] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 110.710450][ T2953] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 110.710452][ T2953] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 110.710454][ T2953] RIP: 0033:0x7ff2c2d0e54e [ 110.710456][ T2953] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 110.710458][ T2953] RSP: 002b:00007fffae494020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 110.710462][ T2953] RAX: ffffffffffffffda RBX: 00007fffae4947e8 RCX: 00007ff2c2d0e54e [ 110.710464][ T2953] RDX: 0000000000000000 RSI: 00007fffae4940d0 RDI: 0000000000000005 [ 110.710464][ T2953] RBP: 00007fffae494030 R08: 0000000000000000 R09: 0000000000000000 [ 110.710465][ T2953] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e80 [ 110.710466][ T2953] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffae4947a0 | [ 117.697257][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 117.697259][ T69] Preemption disabled at: | [ 117.697260][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 117.697271][ T69] Tainted: [W]=WARN [ 117.697271][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 117.697273][ T69] Workqueue: netns cleanup_net [ 117.697280][ T69] Call Trace: [ 117.697281][ T69] [ 117.697282][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 117.697289][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 117.697290][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 117.697293][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 117.697295][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 117.697299][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 117.697301][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 117.697304][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 117.697307][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 117.697316][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 117.697318][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 117.697320][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 117.697322][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 117.697324][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 117.697327][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 117.697331][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 117.697333][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 117.697336][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 117.697337][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 117.697338][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 117.697340][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 117.697343][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 117.697345][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 117.697346][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 117.697347][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 117.697348][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 117.697350][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 117.697352][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 117.697355][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 117.697357][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 117.697359][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 117.697361][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 117.697362][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 117.697363][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 117.697365][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 117.697367][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 117.697368][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 117.697370][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 117.697371][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 117.697373][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 117.697374][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 117.697376][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 117.697379][ T69] ? kthread (kernel/kthread.c:436) [ 117.697381][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 117.697384][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 117.697387][ T69] _printk (kernel/printk/printk.c:2504) [ 117.697390][ T69] ? snapshot_read.cold (user.c:?) [ 117.697392][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 117.697395][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 117.697397][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 117.697400][ T69] ? netdev_notice (net/core/dev.c:13194) [ 117.697402][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 117.697403][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 117.697404][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 117.697407][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 117.697409][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 117.697410][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 117.697412][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 117.697415][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 117.697419][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 117.697421][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 117.697424][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 117.697426][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 117.697428][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 117.697431][ T69] cleanup_net (net/core/net_namespace.c:706) [ 117.697432][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 117.697434][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 117.697436][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 117.697438][ T69] process_one_work (kernel/workqueue.c:3387) [ 117.697441][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 117.697443][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 117.697445][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 117.697447][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 117.697450][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 117.697451][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 117.697453][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 117.697455][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 117.697457][ T69] kthread (kernel/kthread.c:436) [ 117.697459][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 117.697460][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 117.697462][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 117.697464][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 117.697466][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 117.697469][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 117.697471][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 118.976909][ T3211] softirqs last disabled at (0): 0x0 | [ 118.976911][ T3211] Preemption disabled at: | [ 118.976912][ T3211] vprintk_emit (kernel/printk/printk.c:2471) | [ 118.976921][ T3211] Tainted: [W]=WARN [ 118.976923][ T3211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 118.976924][ T3211] Call Trace: [ 118.976926][ T3211] [ 118.976927][ T3211] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 118.976933][ T3211] ? vprintk_emit (kernel/printk/printk.c:2471) [ 118.976934][ T3211] __might_resched.cold (kernel/sched/core.c:9234) [ 118.976938][ T3211] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 118.976941][ T3211] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 118.976944][ T3211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.976947][ T3211] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 118.976950][ T3211] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 118.976953][ T3211] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 118.976958][ T3211] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 118.976960][ T3211] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 118.976962][ T3211] put_chars (drivers/char/virtio_console.c:1176) [ 118.976964][ T3211] ? __send_to_port (drivers/char/virtio_console.c:654) [ 118.976966][ T3211] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 118.976969][ T3211] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 118.976974][ T3211] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 118.976975][ T3211] ? vsnprintf (lib/vsprintf.c:2900) [ 118.976979][ T3211] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 118.976980][ T3211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.976982][ T3211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.976983][ T3211] console_emit_next_record (kernel/printk/printk.c:3183) [ 118.976986][ T3211] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 118.976988][ T3211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.976989][ T3211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.976990][ T3211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.976992][ T3211] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 118.976994][ T3211] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 118.976996][ T3211] console_flush_one_record (kernel/printk/printk.c:3268) [ 118.976999][ T3211] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 118.977002][ T3211] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 118.977003][ T3211] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 118.977005][ T3211] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 118.977007][ T3211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.977008][ T3211] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 118.977009][ T3211] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 118.977011][ T3211] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 118.977013][ T3211] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 118.977015][ T3211] ? vprintk_emit (kernel/printk/printk.c:2478) [ 118.977016][ T3211] vprintk_emit (kernel/printk/printk.c:2479) [ 118.977018][ T3211] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 118.977019][ T3211] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 118.977021][ T3211] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 118.977024][ T3211] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 118.977026][ T3211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.977027][ T3211] _printk (kernel/printk/printk.c:2504) [ 118.977031][ T3211] ? snapshot_read.cold (user.c:?) [ 118.977033][ T3211] ? br_multicast_flood (??:?) [ 118.977036][ T3211] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 118.977039][ T3211] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 118.977040][ T3211] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 118.977042][ T3211] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 118.977045][ T3211] br_init_port (net/bridge/br_stp_if.c:39) [ 118.977047][ T3211] new_nbp (net/bridge/br_if.c:449) [ 118.977049][ T3211] br_add_if (net/bridge/br_if.c:592) [ 118.977051][ T3211] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 118.977055][ T3211] do_set_master (net/core/rtnetlink.c:3071) [ 118.977057][ T3211] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 118.977059][ T3211] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 118.977060][ T3211] ? __dev_get_by_name (net/core/dev.c:905) [ 118.977062][ T3211] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 118.977066][ T3211] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 118.977068][ T3211] rtnl_newlink (net/core/rtnetlink.c:4215) [ 118.977070][ T3211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.977072][ T3211] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 118.977073][ T3211] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 118.977075][ T3211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.977076][ T3211] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 118.977079][ T3211] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 118.977080][ T3211] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 118.977083][ T3211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.977084][ T3211] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 118.977086][ T3211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.977087][ T3211] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 118.977088][ T3211] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 118.977090][ T3211] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 118.977091][ T3211] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 118.977093][ T3211] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 118.977097][ T3211] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 118.977100][ T3211] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 118.977101][ T3211] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 118.977103][ T3211] ? netlink_ack (./include/linux/skbuff.h:2718) [ 118.977104][ T3211] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 118.977108][ T3211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.977109][ T3211] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 118.977111][ T3211] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 118.977113][ T3211] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 118.977115][ T3211] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 118.977118][ T3211] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 118.977121][ T3211] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 118.977123][ T3211] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 118.977125][ T3211] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 118.977127][ T3211] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 118.977130][ T3211] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 118.977133][ T3211] ____sys_sendmsg (net/socket.c:2713) [ 118.977135][ T3211] ? copy_msghdr_from_user (net/socket.c:2650) [ 118.977136][ T3211] ? sock_write_iter (net/socket.c:1269) [ 118.977138][ T3211] ? move_addr_to_kernel (net/socket.c:258) [ 118.977140][ T3211] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 118.977143][ T3211] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 118.977145][ T3211] ___sys_sendmsg (net/socket.c:2767) [ 118.977146][ T3211] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 118.977148][ T3211] ? copy_msghdr_from_user (net/socket.c:2619) [ 118.977150][ T3211] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 118.977154][ T3211] __sys_sendmsg (net/socket.c:2799) [ 118.977157][ T3211] ? __sys_sendmsg_sock (net/socket.c:2780) [ 118.977159][ T3211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.977160][ T3211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 118.977162][ T3211] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 118.977164][ T3211] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 118.977166][ T3211] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 118.977168][ T3211] RIP: 0033:0x7fbda3f8654e [ 118.977170][ T3211] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 118.977172][ T3211] RSP: 002b:00007ffe2c0ffcb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 118.977176][ T3211] RAX: ffffffffffffffda RBX: 00007ffe2c100478 RCX: 00007fbda3f8654e [ 118.977177][ T3211] RDX: 0000000000000000 RSI: 00007ffe2c0ffd60 RDI: 0000000000000005 [ 118.977180][ T3211] RBP: 00007ffe2c0ffcc0 R08: 0000000000000000 R09: 0000000000000000 [ 118.977181][ T3211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e88 [ 118.977182][ T3211] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2c100430 | [ 120.319278][ T3280] softirqs last disabled at (0): 0x0 | [ 120.319280][ T3280] Preemption disabled at: | [ 120.319281][ T3280] vprintk_emit (kernel/printk/printk.c:2471) | [ 120.319291][ T3280] Tainted: [W]=WARN [ 120.319292][ T3280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 120.319293][ T3280] Call Trace: [ 120.319295][ T3280] [ 120.319296][ T3280] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 120.319302][ T3280] ? vprintk_emit (kernel/printk/printk.c:2471) [ 120.319303][ T3280] __might_resched.cold (kernel/sched/core.c:9234) [ 120.319307][ T3280] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 120.319310][ T3280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.319313][ T3280] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 120.319316][ T3280] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 120.319324][ T3280] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 120.319329][ T3280] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 120.319331][ T3280] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 120.319334][ T3280] put_chars (drivers/char/virtio_console.c:1176) [ 120.319335][ T3280] ? __send_to_port (drivers/char/virtio_console.c:654) [ 120.319336][ T3280] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 120.319339][ T3280] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 120.319341][ T3280] ? pointer (lib/vsprintf.c:2577) [ 120.319344][ T3280] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 120.319349][ T3280] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 120.319351][ T3280] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 120.319353][ T3280] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.319355][ T3280] console_emit_next_record (kernel/printk/printk.c:3183) [ 120.319358][ T3280] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 120.319360][ T3280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.319361][ T3280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.319362][ T3280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.319363][ T3280] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.319365][ T3280] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 120.319367][ T3280] console_flush_one_record (kernel/printk/printk.c:3268) [ 120.319370][ T3280] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 120.319373][ T3280] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 120.319374][ T3280] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.319376][ T3280] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 120.319378][ T3280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.319379][ T3280] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 120.319380][ T3280] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 120.319382][ T3280] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 120.319383][ T3280] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 120.319385][ T3280] ? vprintk_emit (kernel/printk/printk.c:2478) [ 120.319387][ T3280] vprintk_emit (kernel/printk/printk.c:2479) [ 120.319388][ T3280] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 120.319390][ T3280] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 120.319392][ T3280] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 120.319395][ T3280] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 120.319397][ T3280] _printk (kernel/printk/printk.c:2504) [ 120.319400][ T3280] ? snapshot_read.cold (user.c:?) [ 120.319402][ T3280] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 120.319404][ T3280] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 120.319407][ T3280] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 120.319409][ T3280] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 120.319412][ T3280] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 120.319415][ T3280] ? netdev_notice (net/core/dev.c:13194) [ 120.319417][ T3280] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 120.319418][ T3280] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 120.319421][ T3280] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 120.319422][ T3280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.319423][ T3280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.319424][ T3280] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 120.319426][ T3280] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 120.319427][ T3280] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 120.319428][ T3280] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 120.319430][ T3280] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 120.319432][ T3280] ? register_netdev (net/core/dev.c:11618) [ 120.319433][ T3280] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 120.319435][ T3280] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 120.319437][ T3280] ? __kernel_text_address (kernel/extable.c:79) [ 120.319440][ T3280] ? write_profile (profile.c:?) [ 120.319443][ T3280] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 120.319446][ T3280] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 120.319448][ T3280] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 120.319450][ T3280] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 120.319451][ T3280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.319452][ T3280] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 120.319455][ T3280] ? kasan_save_stack (mm/kasan/common.c:58) [ 120.319457][ T3280] ? kasan_save_stack (mm/kasan/common.c:57) [ 120.319458][ T3280] ? kasan_save_track (mm/kasan/common.c:78) [ 120.319459][ T3280] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 120.319461][ T3280] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 120.319462][ T3280] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 120.319463][ T3280] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 120.319464][ T3280] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 120.319467][ T3280] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 120.319468][ T3280] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 120.319470][ T3280] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 120.319472][ T3280] ? ____sys_sendmsg (net/socket.c:2713) [ 120.319474][ T3280] ? ___sys_sendmsg (net/socket.c:2767) [ 120.319475][ T3280] ? __sys_sendmsg (net/socket.c:2799) [ 120.319477][ T3280] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 120.319479][ T3280] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 120.319482][ T3280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.319483][ T3280] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.319484][ T3280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.319485][ T3280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.319487][ T3280] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 120.319488][ T3280] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 120.319489][ T3280] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 120.319490][ T3280] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 120.319492][ T3280] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 120.319493][ T3280] ? nla_get_range_signed (lib/nlattr.c:270) [ 120.319496][ T3280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.319498][ T3280] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 120.319500][ T3280] rtnl_newlink (net/core/rtnetlink.c:4215) [ 120.319501][ T3280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.319503][ T3280] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 120.319504][ T3280] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.319505][ T3280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.319507][ T3280] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 120.319509][ T3280] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 120.319510][ T3280] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 120.319512][ T3280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.319513][ T3280] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 120.319516][ T3280] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 120.319519][ T3280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.319520][ T3280] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.319521][ T3280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.319523][ T3280] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 120.319524][ T3280] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 120.319526][ T3280] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 120.319527][ T3280] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 120.319529][ T3280] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 120.319531][ T3280] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 120.319533][ T3280] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 120.319534][ T3280] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 120.319536][ T3280] ? netlink_ack (./include/linux/skbuff.h:2718) [ 120.319538][ T3280] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 120.319541][ T3280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.319542][ T3280] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 120.319544][ T3280] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 120.319546][ T3280] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 120.319548][ T3280] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 120.319550][ T3280] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 120.319552][ T3280] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 120.319554][ T3280] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 120.319555][ T3280] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 120.319557][ T3280] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 120.319560][ T3280] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 120.319562][ T3280] ____sys_sendmsg (net/socket.c:2713) [ 120.319563][ T3280] ? copy_msghdr_from_user (net/socket.c:2650) [ 120.319565][ T3280] ? sock_write_iter (net/socket.c:1269) [ 120.319567][ T3280] ? move_addr_to_kernel (net/socket.c:258) [ 120.319568][ T3280] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 120.319571][ T3280] ___sys_sendmsg (net/socket.c:2767) [ 120.319572][ T3280] ? copy_msghdr_from_user (net/socket.c:2619) [ 120.319577][ T3280] __sys_sendmsg (net/socket.c:2799) [ 120.319579][ T3280] ? __sys_sendmsg_sock (net/socket.c:2780) [ 120.319582][ T3280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 120.319583][ T3280] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 120.319585][ T3280] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 120.319587][ T3280] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 120.319588][ T3280] RIP: 0033:0x7f4fa998a54e [ 120.319590][ T3280] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 120.319592][ T3280] RSP: 002b:00007fff6eab0380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 120.319596][ T3280] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4fa998a54e [ 120.319597][ T3280] RDX: 0000000000000000 RSI: 00007fff6eab0430 RDI: 0000000000000005 [ 120.319598][ T3280] RBP: 00007fff6eab0390 R08: 0000000000000000 R09: 0000000000000000 [ 120.319599][ T3280] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e89 [ 120.319600][ T3280] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6eab0af0 | [ 121.430877][ T3337] softirqs last disabled at (0): 0x0 | [ 121.430879][ T3337] Preemption disabled at: | [ 121.430879][ T3337] vprintk_emit (kernel/printk/printk.c:2471) | [ 121.430890][ T3337] Tainted: [W]=WARN [ 121.430891][ T3337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 121.430893][ T3337] Call Trace: [ 121.430894][ T3337] [ 121.430896][ T3337] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 121.430901][ T3337] ? vprintk_emit (kernel/printk/printk.c:2471) [ 121.430903][ T3337] __might_resched.cold (kernel/sched/core.c:9234) [ 121.430907][ T3337] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 121.430909][ T3337] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 121.430912][ T3337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.430914][ T3337] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 121.430917][ T3337] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 121.430920][ T3337] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 121.430925][ T3337] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 121.430927][ T3337] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 121.430930][ T3337] put_chars (drivers/char/virtio_console.c:1176) [ 121.430932][ T3337] ? __send_to_port (drivers/char/virtio_console.c:654) [ 121.430933][ T3337] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 121.430936][ T3337] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 121.430941][ T3337] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 121.430943][ T3337] ? vsnprintf (lib/vsprintf.c:2900) [ 121.430946][ T3337] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 121.430948][ T3337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.430949][ T3337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.430951][ T3337] console_emit_next_record (kernel/printk/printk.c:3183) [ 121.430953][ T3337] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 121.430956][ T3337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.430957][ T3337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.430958][ T3337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.430959][ T3337] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.430961][ T3337] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 121.430963][ T3337] console_flush_one_record (kernel/printk/printk.c:3268) [ 121.430966][ T3337] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 121.430968][ T3337] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 121.430970][ T3337] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.430972][ T3337] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 121.430974][ T3337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.430975][ T3337] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 121.430977][ T3337] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 121.430978][ T3337] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 121.430980][ T3337] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 121.430982][ T3337] ? vprintk_emit (kernel/printk/printk.c:2478) [ 121.430983][ T3337] vprintk_emit (kernel/printk/printk.c:2479) [ 121.430985][ T3337] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 121.430986][ T3337] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 121.430988][ T3337] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 121.430991][ T3337] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.430993][ T3337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.430994][ T3337] _printk (kernel/printk/printk.c:2504) [ 121.430997][ T3337] ? snapshot_read.cold (user.c:?) [ 121.430999][ T3337] ? br_multicast_flood (??:?) [ 121.431003][ T3337] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 121.431006][ T3337] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 121.431007][ T3337] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 121.431009][ T3337] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 121.431012][ T3337] br_init_port (net/bridge/br_stp_if.c:39) [ 121.431013][ T3337] new_nbp (net/bridge/br_if.c:449) [ 121.431016][ T3337] br_add_if (net/bridge/br_if.c:592) [ 121.431017][ T3337] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 121.431022][ T3337] do_set_master (net/core/rtnetlink.c:3071) [ 121.431024][ T3337] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 121.431026][ T3337] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 121.431027][ T3337] ? __dev_get_by_name (net/core/dev.c:905) [ 121.431029][ T3337] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 121.431032][ T3337] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 121.431035][ T3337] rtnl_newlink (net/core/rtnetlink.c:4215) [ 121.431037][ T3337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.431038][ T3337] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 121.431040][ T3337] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.431041][ T3337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.431043][ T3337] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 121.431045][ T3337] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 121.431047][ T3337] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 121.431050][ T3337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.431051][ T3337] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.431052][ T3337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.431054][ T3337] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 121.431055][ T3337] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 121.431057][ T3337] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 121.431058][ T3337] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 121.431060][ T3337] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 121.431064][ T3337] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 121.431067][ T3337] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 121.431068][ T3337] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 121.431070][ T3337] ? netlink_ack (./include/linux/skbuff.h:2718) [ 121.431071][ T3337] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 121.431074][ T3337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.431076][ T3337] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 121.431078][ T3337] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 121.431080][ T3337] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 121.431082][ T3337] ? next_uptodate_folio (mm/filemap.c:3747) [ 121.431085][ T3337] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 121.431087][ T3337] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 121.431089][ T3337] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.431091][ T3337] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 121.431094][ T3337] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 121.431097][ T3337] ____sys_sendmsg (net/socket.c:2713) [ 121.431099][ T3337] ? copy_msghdr_from_user (net/socket.c:2650) [ 121.431101][ T3337] ? sock_write_iter (net/socket.c:1269) [ 121.431102][ T3337] ? move_addr_to_kernel (net/socket.c:258) [ 121.431105][ T3337] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 121.431107][ T3337] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 121.431109][ T3337] ___sys_sendmsg (net/socket.c:2767) [ 121.431111][ T3337] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 121.431113][ T3337] ? copy_msghdr_from_user (net/socket.c:2619) [ 121.431114][ T3337] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 121.431119][ T3337] __sys_sendmsg (net/socket.c:2799) [ 121.431121][ T3337] ? __sys_sendmsg_sock (net/socket.c:2780) [ 121.431124][ T3337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.431125][ T3337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 121.431127][ T3337] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 121.431129][ T3337] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 121.431131][ T3337] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 121.431133][ T3337] RIP: 0033:0x7f86e0de654e [ 121.431136][ T3337] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 121.431137][ T3337] RSP: 002b:00007ffdf82e8270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 121.431141][ T3337] RAX: ffffffffffffffda RBX: 00007ffdf82e8a38 RCX: 00007f86e0de654e [ 121.431142][ T3337] RDX: 0000000000000000 RSI: 00007ffdf82e8320 RDI: 0000000000000005 [ 121.431143][ T3337] RBP: 00007ffdf82e8280 R08: 0000000000000000 R09: 0000000000000000 [ 121.431144][ T3337] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e8a [ 121.431145][ T3337] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf82e89f0 | [ 128.288127][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 128.288129][ T69] Preemption disabled at: | [ 128.288130][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 128.288141][ T69] Tainted: [W]=WARN [ 128.288142][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 128.288144][ T69] Workqueue: netns cleanup_net [ 128.288150][ T69] Call Trace: [ 128.288151][ T69] [ 128.288153][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 128.288159][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 128.288160][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 128.288164][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 128.288166][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 128.288169][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.288172][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 128.288175][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 128.288182][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 128.288187][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 128.288188][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 128.288191][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 128.288193][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 128.288194][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 128.288197][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 128.288202][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 128.288204][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 128.288206][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 128.288208][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.288209][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.288211][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 128.288214][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 128.288216][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.288217][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.288218][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.288219][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.288222][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 128.288223][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 128.288226][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 128.288229][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 128.288231][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.288232][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 128.288234][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.288235][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 128.288237][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 128.288238][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 128.288239][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 128.288241][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 128.288243][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 128.288244][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 128.288245][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 128.288247][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 128.288250][ T69] ? kthread (kernel/kthread.c:436) [ 128.288252][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 128.288255][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 128.288257][ T69] _printk (kernel/printk/printk.c:2504) [ 128.288260][ T69] ? snapshot_read.cold (user.c:?) [ 128.288263][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 128.288266][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 128.288268][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 128.288270][ T69] ? netdev_notice (net/core/dev.c:13194) [ 128.288273][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.288274][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 128.288275][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 128.288278][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 128.288279][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 128.288281][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 128.288283][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 128.288286][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 128.288290][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 128.288292][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 128.288294][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 128.288296][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 128.288298][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 128.288301][ T69] cleanup_net (net/core/net_namespace.c:706) [ 128.288303][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 128.288305][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.288306][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 128.288308][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 128.288309][ T69] process_one_work (kernel/workqueue.c:3387) [ 128.288312][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 128.288314][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 128.288316][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 128.288319][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 128.288321][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 128.288323][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 128.288325][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 128.288327][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 128.288328][ T69] kthread (kernel/kthread.c:436) [ 128.288330][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 128.288331][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 128.288333][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 128.288335][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 128.288337][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 128.288340][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 128.288342][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 129.542681][ T3595] softirqs last disabled at (0): 0x0 | [ 129.542683][ T3595] Preemption disabled at: | [ 129.542684][ T3595] vprintk_emit (kernel/printk/printk.c:2471) | [ 129.542694][ T3595] Tainted: [W]=WARN [ 129.542695][ T3595] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 129.542697][ T3595] Call Trace: [ 129.542698][ T3595] [ 129.542700][ T3595] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 129.542706][ T3595] ? vprintk_emit (kernel/printk/printk.c:2471) [ 129.542707][ T3595] __might_resched.cold (kernel/sched/core.c:9234) [ 129.542711][ T3595] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 129.542713][ T3595] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 129.542717][ T3595] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.542719][ T3595] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 129.542722][ T3595] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 129.542725][ T3595] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 129.542730][ T3595] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 129.542732][ T3595] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 129.542735][ T3595] put_chars (drivers/char/virtio_console.c:1176) [ 129.542737][ T3595] ? __send_to_port (drivers/char/virtio_console.c:654) [ 129.542738][ T3595] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 129.542741][ T3595] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 129.542746][ T3595] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 129.542747][ T3595] ? vsnprintf (lib/vsprintf.c:2900) [ 129.542751][ T3595] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 129.542752][ T3595] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.542753][ T3595] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.542755][ T3595] console_emit_next_record (kernel/printk/printk.c:3183) [ 129.542758][ T3595] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 129.542760][ T3595] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.542761][ T3595] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.542762][ T3595] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.542763][ T3595] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.542765][ T3595] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 129.542767][ T3595] console_flush_one_record (kernel/printk/printk.c:3268) [ 129.542769][ T3595] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 129.542772][ T3595] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 129.542774][ T3595] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.542776][ T3595] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 129.542777][ T3595] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.542778][ T3595] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 129.542780][ T3595] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 129.542781][ T3595] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 129.542783][ T3595] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 129.542785][ T3595] ? vprintk_emit (kernel/printk/printk.c:2478) [ 129.542786][ T3595] vprintk_emit (kernel/printk/printk.c:2479) [ 129.542788][ T3595] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 129.542789][ T3595] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 129.542791][ T3595] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 129.542794][ T3595] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.542795][ T3595] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.542797][ T3595] _printk (kernel/printk/printk.c:2504) [ 129.542800][ T3595] ? snapshot_read.cold (user.c:?) [ 129.542802][ T3595] ? br_multicast_flood (??:?) [ 129.542806][ T3595] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 129.542808][ T3595] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 129.542810][ T3595] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 129.542811][ T3595] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 129.542814][ T3595] br_init_port (net/bridge/br_stp_if.c:39) [ 129.542816][ T3595] new_nbp (net/bridge/br_if.c:449) [ 129.542818][ T3595] br_add_if (net/bridge/br_if.c:592) [ 129.542820][ T3595] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 129.542824][ T3595] do_set_master (net/core/rtnetlink.c:3071) [ 129.542826][ T3595] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 129.542828][ T3595] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 129.542829][ T3595] ? __dev_get_by_name (net/core/dev.c:905) [ 129.542831][ T3595] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 129.542835][ T3595] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 129.542837][ T3595] rtnl_newlink (net/core/rtnetlink.c:4215) [ 129.542839][ T3595] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.542840][ T3595] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 129.542841][ T3595] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.542843][ T3595] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.542844][ T3595] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 129.542847][ T3595] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 129.542849][ T3595] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 129.542851][ T3595] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.542853][ T3595] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.542854][ T3595] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.542855][ T3595] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 129.542856][ T3595] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 129.542858][ T3595] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 129.542860][ T3595] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 129.542861][ T3595] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 129.542865][ T3595] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 129.542868][ T3595] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 129.542869][ T3595] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 129.542871][ T3595] ? netlink_ack (./include/linux/skbuff.h:2718) [ 129.542872][ T3595] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 129.542875][ T3595] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.542876][ T3595] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 129.542878][ T3595] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 129.542881][ T3595] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 129.542882][ T3595] ? next_uptodate_folio (mm/filemap.c:3747) [ 129.542885][ T3595] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 129.542888][ T3595] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 129.542890][ T3595] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.542891][ T3595] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 129.542895][ T3595] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 129.542898][ T3595] ____sys_sendmsg (net/socket.c:2713) [ 129.542899][ T3595] ? copy_msghdr_from_user (net/socket.c:2650) [ 129.542901][ T3595] ? sock_write_iter (net/socket.c:1269) [ 129.542902][ T3595] ? move_addr_to_kernel (net/socket.c:258) [ 129.542905][ T3595] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 129.542907][ T3595] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 129.542909][ T3595] ___sys_sendmsg (net/socket.c:2767) [ 129.542910][ T3595] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 129.542912][ T3595] ? copy_msghdr_from_user (net/socket.c:2619) [ 129.542914][ T3595] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 129.542918][ T3595] __sys_sendmsg (net/socket.c:2799) [ 129.542921][ T3595] ? __sys_sendmsg_sock (net/socket.c:2780) [ 129.542923][ T3595] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.542924][ T3595] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 129.542926][ T3595] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 129.542928][ T3595] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 129.542930][ T3595] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 129.542932][ T3595] RIP: 0033:0x7f3852d4954e [ 129.542934][ T3595] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 129.542936][ T3595] RSP: 002b:00007ffc4ad700e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 129.542940][ T3595] RAX: ffffffffffffffda RBX: 00007ffc4ad708a8 RCX: 00007f3852d4954e [ 129.542944][ T3595] RDX: 0000000000000000 RSI: 00007ffc4ad70190 RDI: 0000000000000005 [ 129.542945][ T3595] RBP: 00007ffc4ad700f0 R08: 0000000000000000 R09: 0000000000000000 [ 129.542945][ T3595] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e92 [ 129.542946][ T3595] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4ad70860 | [ 130.927189][ T3664] softirqs last disabled at (0): 0x0 | [ 130.927191][ T3664] Preemption disabled at: | [ 130.927192][ T3664] vprintk_emit (kernel/printk/printk.c:2471) | [ 130.927202][ T3664] Tainted: [W]=WARN [ 130.927203][ T3664] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 130.927205][ T3664] Call Trace: [ 130.927206][ T3664] [ 130.927207][ T3664] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 130.927213][ T3664] ? vprintk_emit (kernel/printk/printk.c:2471) [ 130.927214][ T3664] __might_resched.cold (kernel/sched/core.c:9234) [ 130.927218][ T3664] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 130.927221][ T3664] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.927224][ T3664] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 130.927227][ T3664] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 130.927230][ T3664] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 130.927235][ T3664] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 130.927237][ T3664] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 130.927240][ T3664] put_chars (drivers/char/virtio_console.c:1176) [ 130.927242][ T3664] ? __send_to_port (drivers/char/virtio_console.c:654) [ 130.927243][ T3664] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 130.927245][ T3664] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 130.927247][ T3664] ? pointer (lib/vsprintf.c:2577) [ 130.927251][ T3664] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 130.927256][ T3664] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 130.927258][ T3664] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 130.927259][ T3664] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.927262][ T3664] console_emit_next_record (kernel/printk/printk.c:3183) [ 130.927265][ T3664] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 130.927267][ T3664] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.927268][ T3664] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.927269][ T3664] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.927270][ T3664] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.927272][ T3664] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 130.927273][ T3664] console_flush_one_record (kernel/printk/printk.c:3268) [ 130.927276][ T3664] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 130.927279][ T3664] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 130.927280][ T3664] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.927282][ T3664] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 130.927284][ T3664] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.927285][ T3664] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 130.927286][ T3664] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 130.927288][ T3664] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 130.927289][ T3664] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 130.927291][ T3664] ? vprintk_emit (kernel/printk/printk.c:2478) [ 130.927292][ T3664] vprintk_emit (kernel/printk/printk.c:2479) [ 130.927294][ T3664] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 130.927295][ T3664] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 130.927298][ T3664] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 130.927301][ T3664] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 130.927303][ T3664] _printk (kernel/printk/printk.c:2504) [ 130.927306][ T3664] ? snapshot_read.cold (user.c:?) [ 130.927308][ T3664] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 130.927310][ T3664] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 130.927313][ T3664] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 130.927315][ T3664] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 130.927318][ T3664] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 130.927321][ T3664] ? netdev_notice (net/core/dev.c:13194) [ 130.927323][ T3664] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 130.927324][ T3664] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 130.927327][ T3664] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 130.927328][ T3664] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.927329][ T3664] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.927331][ T3664] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 130.927332][ T3664] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 130.927333][ T3664] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 130.927335][ T3664] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 130.927336][ T3664] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 130.927338][ T3664] ? register_netdev (net/core/dev.c:11618) [ 130.927339][ T3664] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 130.927341][ T3664] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 130.927343][ T3664] ? __kernel_text_address (kernel/extable.c:79) [ 130.927346][ T3664] ? write_profile (profile.c:?) [ 130.927349][ T3664] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 130.927353][ T3664] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 130.927355][ T3664] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 130.927356][ T3664] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 130.927362][ T3664] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.927364][ T3664] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 130.927367][ T3664] ? kasan_save_stack (mm/kasan/common.c:58) [ 130.927369][ T3664] ? kasan_save_stack (mm/kasan/common.c:57) [ 130.927370][ T3664] ? kasan_save_track (mm/kasan/common.c:78) [ 130.927371][ T3664] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 130.927372][ T3664] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 130.927374][ T3664] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 130.927375][ T3664] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 130.927376][ T3664] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 130.927379][ T3664] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 130.927381][ T3664] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 130.927382][ T3664] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 130.927385][ T3664] ? ____sys_sendmsg (net/socket.c:2713) [ 130.927386][ T3664] ? ___sys_sendmsg (net/socket.c:2767) [ 130.927387][ T3664] ? __sys_sendmsg (net/socket.c:2799) [ 130.927389][ T3664] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 130.927392][ T3664] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 130.927394][ T3664] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.927396][ T3664] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.927397][ T3664] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.927398][ T3664] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.927399][ T3664] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 130.927401][ T3664] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 130.927402][ T3664] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 130.927403][ T3664] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 130.927405][ T3664] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 130.927406][ T3664] ? nla_get_range_signed (lib/nlattr.c:270) [ 130.927409][ T3664] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.927410][ T3664] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 130.927412][ T3664] rtnl_newlink (net/core/rtnetlink.c:4215) [ 130.927414][ T3664] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.927415][ T3664] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 130.927417][ T3664] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.927419][ T3664] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.927420][ T3664] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 130.927422][ T3664] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 130.927424][ T3664] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 130.927425][ T3664] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.927426][ T3664] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 130.927430][ T3664] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 130.927432][ T3664] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.927433][ T3664] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.927435][ T3664] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.927436][ T3664] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 130.927437][ T3664] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 130.927439][ T3664] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 130.927440][ T3664] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 130.927442][ T3664] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 130.927444][ T3664] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 130.927445][ T3664] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 130.927447][ T3664] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 130.927448][ T3664] ? netlink_ack (./include/linux/skbuff.h:2718) [ 130.927450][ T3664] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 130.927453][ T3664] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.927454][ T3664] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 130.927456][ T3664] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 130.927458][ T3664] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 130.927460][ T3664] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 130.927462][ T3664] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 130.927464][ T3664] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 130.927466][ T3664] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 130.927467][ T3664] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 130.927469][ T3664] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 130.927472][ T3664] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 130.927474][ T3664] ____sys_sendmsg (net/socket.c:2713) [ 130.927475][ T3664] ? copy_msghdr_from_user (net/socket.c:2650) [ 130.927477][ T3664] ? sock_write_iter (net/socket.c:1269) [ 130.927479][ T3664] ? move_addr_to_kernel (net/socket.c:258) [ 130.927480][ T3664] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 130.927483][ T3664] ___sys_sendmsg (net/socket.c:2767) [ 130.927485][ T3664] ? copy_msghdr_from_user (net/socket.c:2619) [ 130.927489][ T3664] __sys_sendmsg (net/socket.c:2799) [ 130.927491][ T3664] ? __sys_sendmsg_sock (net/socket.c:2780) [ 130.927494][ T3664] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 130.927496][ T3664] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 130.927497][ T3664] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 130.927499][ T3664] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 130.927501][ T3664] RIP: 0033:0x7f352a09c54e [ 130.927503][ T3664] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 130.927504][ T3664] RSP: 002b:00007ffc933e5680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 130.927508][ T3664] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f352a09c54e [ 130.927509][ T3664] RDX: 0000000000000000 RSI: 00007ffc933e5730 RDI: 0000000000000005 [ 130.927510][ T3664] RBP: 00007ffc933e5690 R08: 0000000000000000 R09: 0000000000000000 [ 130.927511][ T3664] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e94 [ 130.927512][ T3664] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc933e5df0 | [ 132.297302][ T3721] softirqs last disabled at (0): 0x0 | [ 132.297305][ T3721] Preemption disabled at: | [ 132.297306][ T3721] vprintk_emit (kernel/printk/printk.c:2471) | [ 132.297319][ T3721] Tainted: [W]=WARN [ 132.297321][ T3721] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 132.297323][ T3721] Call Trace: [ 132.297325][ T3721] [ 132.297327][ T3721] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 132.297334][ T3721] ? vprintk_emit (kernel/printk/printk.c:2471) [ 132.297336][ T3721] __might_resched.cold (kernel/sched/core.c:9234) [ 132.297340][ T3721] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 132.297343][ T3721] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 132.297348][ T3721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.297351][ T3721] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 132.297355][ T3721] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 132.297359][ T3721] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 132.297370][ T3721] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 132.297373][ T3721] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 132.297377][ T3721] put_chars (drivers/char/virtio_console.c:1176) [ 132.297379][ T3721] ? __send_to_port (drivers/char/virtio_console.c:654) [ 132.297382][ T3721] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 132.297386][ T3721] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 132.297393][ T3721] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 132.297395][ T3721] ? vsnprintf (lib/vsprintf.c:2900) [ 132.297399][ T3721] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 132.297402][ T3721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.297404][ T3721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.297407][ T3721] console_emit_next_record (kernel/printk/printk.c:3183) [ 132.297411][ T3721] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 132.297414][ T3721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.297416][ T3721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.297418][ T3721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.297420][ T3721] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 132.297424][ T3721] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 132.297426][ T3721] console_flush_one_record (kernel/printk/printk.c:3268) [ 132.297430][ T3721] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 132.297434][ T3721] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 132.297437][ T3721] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 132.297439][ T3721] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 132.297442][ T3721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.297444][ T3721] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 132.297446][ T3721] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 132.297448][ T3721] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 132.297451][ T3721] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 132.297454][ T3721] ? vprintk_emit (kernel/printk/printk.c:2478) [ 132.297456][ T3721] vprintk_emit (kernel/printk/printk.c:2479) [ 132.297459][ T3721] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 132.297461][ T3721] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 132.297464][ T3721] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 132.297468][ T3721] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 132.297470][ T3721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.297473][ T3721] _printk (kernel/printk/printk.c:2504) [ 132.297477][ T3721] ? snapshot_read.cold (user.c:?) [ 132.297480][ T3721] ? br_multicast_flood (??:?) [ 132.297484][ T3721] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 132.297488][ T3721] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 132.297490][ T3721] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 132.297493][ T3721] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 132.297497][ T3721] br_init_port (net/bridge/br_stp_if.c:39) [ 132.297500][ T3721] new_nbp (net/bridge/br_if.c:449) [ 132.297503][ T3721] br_add_if (net/bridge/br_if.c:592) [ 132.297506][ T3721] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 132.297512][ T3721] do_set_master (net/core/rtnetlink.c:3071) [ 132.297516][ T3721] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 132.297519][ T3721] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 132.297521][ T3721] ? __dev_get_by_name (net/core/dev.c:905) [ 132.297523][ T3721] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 132.297529][ T3721] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 132.297533][ T3721] rtnl_newlink (net/core/rtnetlink.c:4215) [ 132.297537][ T3721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.297539][ T3721] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 132.297541][ T3721] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 132.297543][ T3721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.297546][ T3721] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 132.297549][ T3721] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 132.297552][ T3721] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 132.297556][ T3721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.297558][ T3721] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 132.297560][ T3721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.297562][ T3721] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 132.297564][ T3721] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 132.297567][ T3721] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 132.297569][ T3721] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 132.297572][ T3721] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 132.297577][ T3721] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 132.297581][ T3721] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 132.297583][ T3721] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 132.297586][ T3721] ? netlink_ack (./include/linux/skbuff.h:2718) [ 132.297588][ T3721] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 132.297593][ T3721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.297595][ T3721] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 132.297598][ T3721] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 132.297602][ T3721] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 132.297604][ T3721] ? next_uptodate_folio (mm/filemap.c:3747) [ 132.297609][ T3721] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 132.297612][ T3721] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 132.297615][ T3721] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 132.297617][ T3721] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 132.297622][ T3721] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 132.297627][ T3721] ____sys_sendmsg (net/socket.c:2713) [ 132.297629][ T3721] ? copy_msghdr_from_user (net/socket.c:2650) [ 132.297631][ T3721] ? sock_write_iter (net/socket.c:1269) [ 132.297634][ T3721] ? move_addr_to_kernel (net/socket.c:258) [ 132.297637][ T3721] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 132.297641][ T3721] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 132.297644][ T3721] ___sys_sendmsg (net/socket.c:2767) [ 132.297647][ T3721] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 132.297649][ T3721] ? copy_msghdr_from_user (net/socket.c:2619) [ 132.297652][ T3721] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 132.297659][ T3721] __sys_sendmsg (net/socket.c:2799) [ 132.297662][ T3721] ? __sys_sendmsg_sock (net/socket.c:2780) [ 132.297666][ T3721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.297668][ T3721] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 132.297671][ T3721] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 132.297674][ T3721] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 132.297677][ T3721] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 132.297680][ T3721] RIP: 0033:0x7fc4bf42254e [ 132.297683][ T3721] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 132.297686][ T3721] RSP: 002b:00007ffe2ed0d590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 132.297691][ T3721] RAX: ffffffffffffffda RBX: 00007ffe2ed0dd58 RCX: 00007fc4bf42254e [ 132.297693][ T3721] RDX: 0000000000000000 RSI: 00007ffe2ed0d640 RDI: 0000000000000005 [ 132.297695][ T3721] RBP: 00007ffe2ed0d5a0 R08: 0000000000000000 R09: 0000000000000000 [ 132.297696][ T3721] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e95 [ 132.297698][ T3721] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2ed0dd10 | [ 139.372819][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 139.372822][ T69] Preemption disabled at: | [ 139.372823][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 139.372833][ T69] Tainted: [W]=WARN [ 139.372834][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 139.372836][ T69] Workqueue: netns cleanup_net [ 139.372842][ T69] Call Trace: [ 139.372844][ T69] [ 139.372845][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 139.372851][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 139.372853][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 139.372856][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 139.372859][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 139.372862][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.372865][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 139.372868][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 139.372871][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 139.372876][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 139.372877][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 139.372880][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 139.372881][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 139.372883][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 139.372886][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 139.372890][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 139.372892][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 139.372895][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 139.372896][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.372897][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.372899][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 139.372902][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 139.372904][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.372905][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.372906][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.372907][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.372909][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 139.372911][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 139.372914][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 139.372916][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 139.372918][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.372920][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 139.372921][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.372922][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 139.372924][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 139.372926][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 139.372927][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 139.372929][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 139.372930][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 139.372932][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 139.372933][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 139.372935][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 139.372938][ T69] ? kthread (kernel/kthread.c:436) [ 139.372940][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 139.372942][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 139.372945][ T69] _printk (kernel/printk/printk.c:2504) [ 139.372949][ T69] ? snapshot_read.cold (user.c:?) [ 139.372951][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 139.372954][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 139.372956][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 139.372959][ T69] ? netdev_notice (net/core/dev.c:13194) [ 139.372961][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.372962][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 139.372964][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 139.372967][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 139.372968][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 139.372969][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 139.372972][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 139.372975][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 139.372978][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 139.372980][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 139.372983][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 139.372985][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 139.372987][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 139.372990][ T69] cleanup_net (net/core/net_namespace.c:706) [ 139.372992][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 139.372994][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 139.372995][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 139.372997][ T69] process_one_work (kernel/workqueue.c:3387) [ 139.373000][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 139.373002][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 139.373004][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 139.373006][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 139.373008][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 139.373010][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 139.373012][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 139.373014][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 139.373016][ T69] kthread (kernel/kthread.c:436) [ 139.373017][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 139.373019][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 139.373021][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 139.373023][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 139.373025][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 139.373027][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 139.373029][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 140.665778][ T3979] softirqs last disabled at (0): 0x0 | [ 140.665780][ T3979] Preemption disabled at: | [ 140.665781][ T3979] vprintk_emit (kernel/printk/printk.c:2471) | [ 140.665791][ T3979] Tainted: [W]=WARN [ 140.665792][ T3979] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 140.665794][ T3979] Call Trace: [ 140.665795][ T3979] [ 140.665796][ T3979] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 140.665802][ T3979] ? vprintk_emit (kernel/printk/printk.c:2471) [ 140.665804][ T3979] __might_resched.cold (kernel/sched/core.c:9234) [ 140.665808][ T3979] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 140.665810][ T3979] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 140.665813][ T3979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.665816][ T3979] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 140.665819][ T3979] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 140.665822][ T3979] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 140.665828][ T3979] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 140.665830][ T3979] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 140.665832][ T3979] put_chars (drivers/char/virtio_console.c:1176) [ 140.665834][ T3979] ? __send_to_port (drivers/char/virtio_console.c:654) [ 140.665836][ T3979] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 140.665838][ T3979] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 140.665843][ T3979] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 140.665845][ T3979] ? vsnprintf (lib/vsprintf.c:2900) [ 140.665849][ T3979] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 140.665850][ T3979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.665851][ T3979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.665853][ T3979] console_emit_next_record (kernel/printk/printk.c:3183) [ 140.665856][ T3979] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 140.665858][ T3979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.665859][ T3979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.665860][ T3979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.665861][ T3979] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.665864][ T3979] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 140.665865][ T3979] console_flush_one_record (kernel/printk/printk.c:3268) [ 140.665868][ T3979] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 140.665871][ T3979] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 140.665873][ T3979] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.665874][ T3979] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 140.665876][ T3979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.665877][ T3979] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 140.665879][ T3979] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 140.665880][ T3979] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 140.665882][ T3979] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 140.665884][ T3979] ? vprintk_emit (kernel/printk/printk.c:2478) [ 140.665885][ T3979] vprintk_emit (kernel/printk/printk.c:2479) [ 140.665887][ T3979] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 140.665888][ T3979] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 140.665890][ T3979] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 140.665893][ T3979] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.665894][ T3979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.665896][ T3979] _printk (kernel/printk/printk.c:2504) [ 140.665899][ T3979] ? snapshot_read.cold (user.c:?) [ 140.665901][ T3979] ? br_multicast_flood (??:?) [ 140.665904][ T3979] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 140.665908][ T3979] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 140.665909][ T3979] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 140.665910][ T3979] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 140.665913][ T3979] br_init_port (net/bridge/br_stp_if.c:39) [ 140.665915][ T3979] new_nbp (net/bridge/br_if.c:449) [ 140.665917][ T3979] br_add_if (net/bridge/br_if.c:592) [ 140.665919][ T3979] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 140.665924][ T3979] do_set_master (net/core/rtnetlink.c:3071) [ 140.665926][ T3979] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 140.665928][ T3979] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 140.665929][ T3979] ? __dev_get_by_name (net/core/dev.c:905) [ 140.665931][ T3979] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 140.665935][ T3979] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 140.665937][ T3979] rtnl_newlink (net/core/rtnetlink.c:4215) [ 140.665939][ T3979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.665941][ T3979] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 140.665942][ T3979] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.665943][ T3979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.665945][ T3979] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 140.665947][ T3979] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 140.665949][ T3979] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 140.665952][ T3979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.665953][ T3979] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.665954][ T3979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.665956][ T3979] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 140.665957][ T3979] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 140.665959][ T3979] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 140.665960][ T3979] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 140.665962][ T3979] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 140.665965][ T3979] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 140.665969][ T3979] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 140.665970][ T3979] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 140.665972][ T3979] ? netlink_ack (./include/linux/skbuff.h:2718) [ 140.665973][ T3979] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 140.665976][ T3979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.665977][ T3979] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 140.665980][ T3979] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 140.665982][ T3979] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 140.665984][ T3979] ? next_uptodate_folio (mm/filemap.c:3747) [ 140.665987][ T3979] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 140.665989][ T3979] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 140.665991][ T3979] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.665993][ T3979] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 140.665997][ T3979] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 140.666000][ T3979] ____sys_sendmsg (net/socket.c:2713) [ 140.666001][ T3979] ? copy_msghdr_from_user (net/socket.c:2650) [ 140.666003][ T3979] ? sock_write_iter (net/socket.c:1269) [ 140.666004][ T3979] ? move_addr_to_kernel (net/socket.c:258) [ 140.666007][ T3979] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 140.666009][ T3979] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.666011][ T3979] ___sys_sendmsg (net/socket.c:2767) [ 140.666013][ T3979] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 140.666015][ T3979] ? copy_msghdr_from_user (net/socket.c:2619) [ 140.666016][ T3979] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 140.666021][ T3979] __sys_sendmsg (net/socket.c:2799) [ 140.666023][ T3979] ? __sys_sendmsg_sock (net/socket.c:2780) [ 140.666026][ T3979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.666027][ T3979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.666028][ T3979] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 140.666031][ T3979] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 140.666033][ T3979] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 140.666035][ T3979] RIP: 0033:0x7f526befa54e [ 140.666037][ T3979] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 140.666039][ T3979] RSP: 002b:00007ffc99fa3680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 140.666043][ T3979] RAX: ffffffffffffffda RBX: 00007ffc99fa3e48 RCX: 00007f526befa54e [ 140.666044][ T3979] RDX: 0000000000000000 RSI: 00007ffc99fa3730 RDI: 0000000000000005 [ 140.666045][ T3979] RBP: 00007ffc99fa3690 R08: 0000000000000000 R09: 0000000000000000 [ 140.666046][ T3979] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e9d [ 140.666047][ T3979] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc99fa3e00 | [ 142.032033][ T4048] softirqs last disabled at (0): 0x0 | [ 142.032035][ T4048] Preemption disabled at: | [ 142.032035][ T4048] vprintk_emit (kernel/printk/printk.c:2471) | [ 142.032046][ T4048] Tainted: [W]=WARN [ 142.032047][ T4048] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 142.032049][ T4048] Call Trace: [ 142.032050][ T4048] [ 142.032052][ T4048] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 142.032058][ T4048] ? vprintk_emit (kernel/printk/printk.c:2471) [ 142.032059][ T4048] __might_resched.cold (kernel/sched/core.c:9234) [ 142.032063][ T4048] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 142.032066][ T4048] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.032069][ T4048] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 142.032072][ T4048] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 142.032075][ T4048] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 142.032080][ T4048] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 142.032082][ T4048] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 142.032085][ T4048] put_chars (drivers/char/virtio_console.c:1176) [ 142.032086][ T4048] ? __send_to_port (drivers/char/virtio_console.c:654) [ 142.032088][ T4048] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 142.032090][ T4048] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 142.032092][ T4048] ? pointer (lib/vsprintf.c:2577) [ 142.032096][ T4048] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 142.032101][ T4048] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 142.032102][ T4048] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 142.032104][ T4048] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 142.032107][ T4048] console_emit_next_record (kernel/printk/printk.c:3183) [ 142.032110][ T4048] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 142.032112][ T4048] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.032113][ T4048] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.032114][ T4048] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.032115][ T4048] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 142.032117][ T4048] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 142.032119][ T4048] console_flush_one_record (kernel/printk/printk.c:3268) [ 142.032121][ T4048] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 142.032124][ T4048] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 142.032126][ T4048] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 142.032128][ T4048] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 142.032129][ T4048] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.032130][ T4048] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 142.032132][ T4048] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 142.032133][ T4048] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 142.032135][ T4048] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 142.032137][ T4048] ? vprintk_emit (kernel/printk/printk.c:2478) [ 142.032138][ T4048] vprintk_emit (kernel/printk/printk.c:2479) [ 142.032140][ T4048] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 142.032141][ T4048] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 142.032144][ T4048] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 142.032147][ T4048] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 142.032149][ T4048] _printk (kernel/printk/printk.c:2504) [ 142.032152][ T4048] ? snapshot_read.cold (user.c:?) [ 142.032154][ T4048] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 142.032156][ T4048] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 142.032160][ T4048] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 142.032161][ T4048] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 142.032165][ T4048] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 142.032167][ T4048] ? netdev_notice (net/core/dev.c:13194) [ 142.032169][ T4048] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 142.032171][ T4048] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 142.032173][ T4048] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 142.032175][ T4048] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.032176][ T4048] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.032177][ T4048] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 142.032181][ T4048] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 142.032182][ T4048] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 142.032184][ T4048] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 142.032185][ T4048] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 142.032187][ T4048] ? register_netdev (net/core/dev.c:11618) [ 142.032188][ T4048] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 142.032190][ T4048] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 142.032193][ T4048] ? __kernel_text_address (kernel/extable.c:79) [ 142.032195][ T4048] ? write_profile (profile.c:?) [ 142.032198][ T4048] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 142.032202][ T4048] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 142.032204][ T4048] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 142.032206][ T4048] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 142.032207][ T4048] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.032208][ T4048] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 142.032211][ T4048] ? kasan_save_stack (mm/kasan/common.c:58) [ 142.032213][ T4048] ? kasan_save_stack (mm/kasan/common.c:57) [ 142.032214][ T4048] ? kasan_save_track (mm/kasan/common.c:78) [ 142.032215][ T4048] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 142.032217][ T4048] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 142.032218][ T4048] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 142.032219][ T4048] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 142.032220][ T4048] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 142.032223][ T4048] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 142.032225][ T4048] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 142.032226][ T4048] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 142.032229][ T4048] ? ____sys_sendmsg (net/socket.c:2713) [ 142.032230][ T4048] ? ___sys_sendmsg (net/socket.c:2767) [ 142.032231][ T4048] ? __sys_sendmsg (net/socket.c:2799) [ 142.032233][ T4048] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 142.032236][ T4048] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 142.032238][ T4048] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.032239][ T4048] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 142.032241][ T4048] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.032242][ T4048] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.032243][ T4048] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 142.032244][ T4048] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 142.032246][ T4048] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 142.032247][ T4048] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 142.032248][ T4048] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 142.032249][ T4048] ? nla_get_range_signed (lib/nlattr.c:270) [ 142.032253][ T4048] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.032254][ T4048] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 142.032256][ T4048] rtnl_newlink (net/core/rtnetlink.c:4215) [ 142.032258][ T4048] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.032259][ T4048] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 142.032261][ T4048] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 142.032262][ T4048] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.032264][ T4048] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 142.032266][ T4048] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 142.032268][ T4048] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 142.032269][ T4048] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.032270][ T4048] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 142.032274][ T4048] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 142.032276][ T4048] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.032277][ T4048] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 142.032279][ T4048] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.032280][ T4048] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 142.032281][ T4048] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 142.032283][ T4048] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 142.032284][ T4048] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 142.032286][ T4048] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 142.032288][ T4048] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 142.032290][ T4048] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 142.032292][ T4048] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 142.032293][ T4048] ? netlink_ack (./include/linux/skbuff.h:2718) [ 142.032295][ T4048] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 142.032297][ T4048] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.032299][ T4048] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 142.032301][ T4048] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 142.032303][ T4048] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 142.032305][ T4048] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 142.032307][ T4048] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 142.032309][ T4048] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 142.032310][ T4048] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 142.032312][ T4048] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 142.032313][ T4048] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 142.032317][ T4048] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 142.032318][ T4048] ____sys_sendmsg (net/socket.c:2713) [ 142.032320][ T4048] ? copy_msghdr_from_user (net/socket.c:2650) [ 142.032322][ T4048] ? sock_write_iter (net/socket.c:1269) [ 142.032323][ T4048] ? move_addr_to_kernel (net/socket.c:258) [ 142.032325][ T4048] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 142.032327][ T4048] ___sys_sendmsg (net/socket.c:2767) [ 142.032329][ T4048] ? copy_msghdr_from_user (net/socket.c:2619) [ 142.032334][ T4048] __sys_sendmsg (net/socket.c:2799) [ 142.032336][ T4048] ? __sys_sendmsg_sock (net/socket.c:2780) [ 142.032339][ T4048] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 142.032340][ T4048] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 142.032342][ T4048] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 142.032344][ T4048] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 142.032345][ T4048] RIP: 0033:0x7ff8c164554e [ 142.032347][ T4048] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 142.032349][ T4048] RSP: 002b:00007ffd7331f950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 142.032353][ T4048] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff8c164554e [ 142.032355][ T4048] RDX: 0000000000000000 RSI: 00007ffd7331fa00 RDI: 0000000000000005 [ 142.032355][ T4048] RBP: 00007ffd7331f960 R08: 0000000000000000 R09: 0000000000000000 [ 142.032356][ T4048] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e9f [ 142.032357][ T4048] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd733200c0 | [ 143.209717][ T4098] softirqs last disabled at (0): 0x0 | [ 143.209719][ T4098] Preemption disabled at: | [ 143.209719][ T4098] vprintk_emit (kernel/printk/printk.c:2471) | [ 143.209730][ T4098] Tainted: [W]=WARN [ 143.209731][ T4098] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 143.209733][ T4098] Call Trace: [ 143.209734][ T4098] [ 143.209735][ T4098] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 143.209741][ T4098] ? vprintk_emit (kernel/printk/printk.c:2471) [ 143.209742][ T4098] __might_resched.cold (kernel/sched/core.c:9234) [ 143.209746][ T4098] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 143.209748][ T4098] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 143.209751][ T4098] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 143.209754][ T4098] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 143.209757][ T4098] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 143.209760][ T4098] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 143.209765][ T4098] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 143.209767][ T4098] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 143.209770][ T4098] put_chars (drivers/char/virtio_console.c:1176) [ 143.209772][ T4098] ? __send_to_port (drivers/char/virtio_console.c:654) [ 143.209774][ T4098] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 143.209776][ T4098] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 143.209781][ T4098] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 143.209783][ T4098] ? vsnprintf (lib/vsprintf.c:2900) [ 143.209786][ T4098] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 143.209788][ T4098] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 143.209789][ T4098] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 143.209791][ T4098] console_emit_next_record (kernel/printk/printk.c:3183) [ 143.209794][ T4098] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 143.209796][ T4098] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 143.209797][ T4098] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 143.209798][ T4098] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 143.209799][ T4098] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 143.209801][ T4098] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 143.209803][ T4098] console_flush_one_record (kernel/printk/printk.c:3268) [ 143.209806][ T4098] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 143.209809][ T4098] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 143.209810][ T4098] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 143.209812][ T4098] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 143.209814][ T4098] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 143.209815][ T4098] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 143.209816][ T4098] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 143.209818][ T4098] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 143.209820][ T4098] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 143.209821][ T4098] ? vprintk_emit (kernel/printk/printk.c:2478) [ 143.209823][ T4098] vprintk_emit (kernel/printk/printk.c:2479) [ 143.209825][ T4098] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 143.209826][ T4098] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 143.209828][ T4098] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 143.209831][ T4098] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 143.209832][ T4098] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 143.209834][ T4098] _printk (kernel/printk/printk.c:2504) [ 143.209837][ T4098] ? snapshot_read.cold (user.c:?) [ 143.209839][ T4098] ? br_multicast_flood (??:?) [ 143.209843][ T4098] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 143.209845][ T4098] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 143.209847][ T4098] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 143.209848][ T4098] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 143.209851][ T4098] br_init_port (net/bridge/br_stp_if.c:39) [ 143.209853][ T4098] new_nbp (net/bridge/br_if.c:449) [ 143.209855][ T4098] br_add_if (net/bridge/br_if.c:592) [ 143.209857][ T4098] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 143.209862][ T4098] do_set_master (net/core/rtnetlink.c:3071) [ 143.209864][ T4098] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 143.209866][ T4098] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 143.209867][ T4098] ? __dev_get_by_name (net/core/dev.c:905) [ 143.209869][ T4098] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 143.209872][ T4098] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 143.209875][ T4098] rtnl_newlink (net/core/rtnetlink.c:4215) [ 143.209877][ T4098] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 143.209878][ T4098] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 143.209880][ T4098] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 143.209881][ T4098] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 143.209882][ T4098] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 143.209885][ T4098] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 143.209887][ T4098] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 143.209889][ T4098] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 143.209891][ T4098] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 143.209892][ T4098] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 143.209893][ T4098] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 143.209895][ T4098] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 143.209897][ T4098] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 143.209898][ T4098] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 143.209899][ T4098] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 143.209904][ T4098] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 143.209907][ T4098] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 143.209908][ T4098] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 143.209910][ T4098] ? netlink_ack (./include/linux/skbuff.h:2718) [ 143.209912][ T4098] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 143.209914][ T4098] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 143.209915][ T4098] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 143.209918][ T4098] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 143.209920][ T4098] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 143.209922][ T4098] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 143.209924][ T4098] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 143.209928][ T4098] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 143.209930][ T4098] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 143.209932][ T4098] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 143.209933][ T4098] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 143.209937][ T4098] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 143.209940][ T4098] ____sys_sendmsg (net/socket.c:2713) [ 143.209942][ T4098] ? copy_msghdr_from_user (net/socket.c:2650) [ 143.209943][ T4098] ? sock_write_iter (net/socket.c:1269) [ 143.209945][ T4098] ? move_addr_to_kernel (net/socket.c:258) [ 143.209947][ T4098] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 143.209950][ T4098] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 143.209952][ T4098] ___sys_sendmsg (net/socket.c:2767) [ 143.209953][ T4098] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 143.209955][ T4098] ? copy_msghdr_from_user (net/socket.c:2619) [ 143.209957][ T4098] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 143.209961][ T4098] __sys_sendmsg (net/socket.c:2799) [ 143.209963][ T4098] ? __sys_sendmsg_sock (net/socket.c:2780) [ 143.209966][ T4098] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 143.209968][ T4098] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 143.209969][ T4098] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 143.209971][ T4098] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 143.209973][ T4098] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 143.209975][ T4098] RIP: 0033:0x7f986560754e [ 143.209978][ T4098] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 143.209980][ T4098] RSP: 002b:00007ffe7e34c440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 143.209983][ T4098] RAX: ffffffffffffffda RBX: 00007ffe7e34cc08 RCX: 00007f986560754e [ 143.209985][ T4098] RDX: 0000000000000000 RSI: 00007ffe7e34c4f0 RDI: 0000000000000005 [ 143.209986][ T4098] RBP: 00007ffe7e34c450 R08: 0000000000000000 R09: 0000000000000000 [ 143.209987][ T4098] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ea0 [ 143.209988][ T4098] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7e34cbc0 | [ 150.221737][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 150.221740][ T69] Preemption disabled at: | [ 150.221741][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 150.221751][ T69] Tainted: [W]=WARN [ 150.221752][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 150.221754][ T69] Workqueue: netns cleanup_net [ 150.221760][ T69] Call Trace: [ 150.221762][ T69] [ 150.221763][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 150.221769][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 150.221770][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 150.221774][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 150.221776][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 150.221779][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.221782][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 150.221785][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 150.221788][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 150.221793][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 150.221794][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 150.221797][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 150.221799][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 150.221801][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 150.221803][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 150.221808][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 150.221810][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 150.221812][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 150.221814][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.221815][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.221817][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 150.221819][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 150.221822][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.221823][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.221824][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.221825][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 150.221827][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 150.221829][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 150.221832][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 150.221834][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 150.221836][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 150.221838][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 150.221840][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.221841][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 150.221842][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 150.221844][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 150.221845][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 150.221847][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 150.221849][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 150.221851][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 150.221852][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 150.221854][ T69] ? common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 39)) [ 150.221856][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 150.221859][ T69] _printk (kernel/printk/printk.c:2504) [ 150.221862][ T69] ? snapshot_read.cold (user.c:?) [ 150.221864][ T69] ? netdev_reg_state (./include/linux/netdevice.h:5718) [ 150.221868][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 150.221869][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 150.221872][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 150.221874][ T69] ? netdev_notice (net/core/dev.c:13194) [ 150.221876][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.221877][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 150.221879][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 150.221882][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 150.221883][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 150.221885][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 150.221886][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 150.221889][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 150.221893][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 150.221895][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 150.221897][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 150.221899][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 150.221901][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 150.221904][ T69] cleanup_net (net/core/net_namespace.c:706) [ 150.221906][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 150.221908][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 150.221909][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 150.221911][ T69] process_one_work (kernel/workqueue.c:3387) [ 150.221915][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 150.221917][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 150.221919][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 150.221922][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 150.221924][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 150.221926][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 150.221928][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 150.221930][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 150.221931][ T69] kthread (kernel/kthread.c:436) [ 150.221934][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 150.221935][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 150.221937][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 150.221939][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 150.221941][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 150.221944][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 150.221946][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 151.530431][ T4356] softirqs last disabled at (0): 0x0 | [ 151.530438][ T4356] Preemption disabled at: | [ 151.530440][ T4356] vprintk_emit (kernel/printk/printk.c:2471) | [ 151.530450][ T4356] Tainted: [W]=WARN [ 151.530451][ T4356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 151.530453][ T4356] Call Trace: [ 151.530455][ T4356] [ 151.530456][ T4356] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 151.530462][ T4356] ? vprintk_emit (kernel/printk/printk.c:2471) [ 151.530463][ T4356] __might_resched.cold (kernel/sched/core.c:9234) [ 151.530467][ T4356] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 151.530469][ T4356] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 151.530473][ T4356] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 151.530475][ T4356] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 151.530479][ T4356] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 151.530482][ T4356] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 151.530487][ T4356] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 151.530489][ T4356] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 151.530492][ T4356] put_chars (drivers/char/virtio_console.c:1176) [ 151.530494][ T4356] ? __send_to_port (drivers/char/virtio_console.c:654) [ 151.530495][ T4356] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 151.530498][ T4356] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 151.530503][ T4356] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 151.530505][ T4356] ? vsnprintf (lib/vsprintf.c:2900) [ 151.530508][ T4356] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 151.530510][ T4356] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 151.530511][ T4356] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 151.530513][ T4356] console_emit_next_record (kernel/printk/printk.c:3183) [ 151.530516][ T4356] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 151.530518][ T4356] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 151.530519][ T4356] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 151.530520][ T4356] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 151.530522][ T4356] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 151.530524][ T4356] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 151.530526][ T4356] console_flush_one_record (kernel/printk/printk.c:3268) [ 151.530529][ T4356] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 151.530532][ T4356] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 151.530533][ T4356] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 151.530535][ T4356] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 151.530537][ T4356] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 151.530538][ T4356] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 151.530540][ T4356] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 151.530541][ T4356] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 151.530543][ T4356] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 151.530545][ T4356] ? vprintk_emit (kernel/printk/printk.c:2478) [ 151.530547][ T4356] vprintk_emit (kernel/printk/printk.c:2479) [ 151.530549][ T4356] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 151.530550][ T4356] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 151.530552][ T4356] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 151.530554][ T4356] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 151.530556][ T4356] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 151.530558][ T4356] _printk (kernel/printk/printk.c:2504) [ 151.530561][ T4356] ? snapshot_read.cold (user.c:?) [ 151.530563][ T4356] ? br_multicast_flood (??:?) [ 151.530567][ T4356] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 151.530569][ T4356] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 151.530571][ T4356] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 151.530572][ T4356] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 151.530575][ T4356] br_init_port (net/bridge/br_stp_if.c:39) [ 151.530577][ T4356] new_nbp (net/bridge/br_if.c:449) [ 151.530580][ T4356] br_add_if (net/bridge/br_if.c:592) [ 151.530581][ T4356] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 151.530586][ T4356] do_set_master (net/core/rtnetlink.c:3071) [ 151.530588][ T4356] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 151.530590][ T4356] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 151.530591][ T4356] ? __dev_get_by_name (net/core/dev.c:905) [ 151.530593][ T4356] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 151.530597][ T4356] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 151.530600][ T4356] rtnl_newlink (net/core/rtnetlink.c:4215) [ 151.530602][ T4356] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 151.530603][ T4356] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 151.530604][ T4356] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 151.530606][ T4356] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 151.530607][ T4356] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 151.530610][ T4356] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 151.530612][ T4356] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 151.530614][ T4356] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 151.530615][ T4356] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 151.530617][ T4356] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 151.530618][ T4356] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 151.530620][ T4356] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 151.530622][ T4356] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 151.530623][ T4356] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 151.530625][ T4356] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 151.530629][ T4356] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 151.530632][ T4356] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 151.530633][ T4356] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 151.530635][ T4356] ? netlink_ack (./include/linux/skbuff.h:2718) [ 151.530637][ T4356] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 151.530640][ T4356] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 151.530641][ T4356] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 151.530643][ T4356] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 151.530646][ T4356] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 151.530648][ T4356] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 151.530650][ T4356] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 151.530654][ T4356] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 151.530656][ T4356] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 151.530658][ T4356] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 151.530660][ T4356] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 151.530663][ T4356] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 151.530666][ T4356] ____sys_sendmsg (net/socket.c:2713) [ 151.530668][ T4356] ? copy_msghdr_from_user (net/socket.c:2650) [ 151.530670][ T4356] ? sock_write_iter (net/socket.c:1269) [ 151.530671][ T4356] ? move_addr_to_kernel (net/socket.c:258) [ 151.530674][ T4356] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 151.530676][ T4356] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 151.530679][ T4356] ___sys_sendmsg (net/socket.c:2767) [ 151.530680][ T4356] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 151.530682][ T4356] ? copy_msghdr_from_user (net/socket.c:2619) [ 151.530684][ T4356] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 151.530689][ T4356] __sys_sendmsg (net/socket.c:2799) [ 151.530691][ T4356] ? __sys_sendmsg_sock (net/socket.c:2780) [ 151.530694][ T4356] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 151.530695][ T4356] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 151.530697][ T4356] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 151.530699][ T4356] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 151.530701][ T4356] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 151.530703][ T4356] RIP: 0033:0x7f9d3924054e [ 151.530705][ T4356] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 151.530707][ T4356] RSP: 002b:00007ffd1e030140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 151.530711][ T4356] RAX: ffffffffffffffda RBX: 00007ffd1e030908 RCX: 00007f9d3924054e [ 151.530713][ T4356] RDX: 0000000000000000 RSI: 00007ffd1e0301f0 RDI: 0000000000000005 [ 151.530714][ T4356] RBP: 00007ffd1e030150 R08: 0000000000000000 R09: 0000000000000000 [ 151.530715][ T4356] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ea8 [ 151.530716][ T4356] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1e0308c0 | [ 153.084884][ T4423] softirqs last disabled at (0): 0x0 | [ 153.084887][ T4423] Preemption disabled at: | [ 153.084888][ T4423] vprintk_emit (kernel/printk/printk.c:2471) | [ 153.084901][ T4423] Tainted: [W]=WARN [ 153.084903][ T4423] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 153.084905][ T4423] Call Trace: [ 153.084908][ T4423] [ 153.084909][ T4423] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 153.084916][ T4423] ? vprintk_emit (kernel/printk/printk.c:2471) [ 153.084919][ T4423] __might_resched.cold (kernel/sched/core.c:9234) [ 153.084924][ T4423] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 153.084928][ T4423] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.084933][ T4423] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 153.084937][ T4423] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 153.084941][ T4423] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 153.084948][ T4423] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 153.084951][ T4423] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 153.084955][ T4423] put_chars (drivers/char/virtio_console.c:1176) [ 153.084958][ T4423] ? __send_to_port (drivers/char/virtio_console.c:654) [ 153.084960][ T4423] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 153.084964][ T4423] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 153.084967][ T4423] ? pointer (lib/vsprintf.c:2577) [ 153.084972][ T4423] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 153.084978][ T4423] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 153.084981][ T4423] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 153.084984][ T4423] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 153.084988][ T4423] console_emit_next_record (kernel/printk/printk.c:3183) [ 153.084992][ T4423] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 153.084996][ T4423] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.084998][ T4423] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.085000][ T4423] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.085002][ T4423] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 153.085005][ T4423] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 153.085008][ T4423] console_flush_one_record (kernel/printk/printk.c:3268) [ 153.085012][ T4423] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 153.085017][ T4423] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 153.085020][ T4423] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 153.085022][ T4423] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 153.085025][ T4423] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.085027][ T4423] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 153.085030][ T4423] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 153.085032][ T4423] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 153.085035][ T4423] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 153.085038][ T4423] ? vprintk_emit (kernel/printk/printk.c:2478) [ 153.085041][ T4423] vprintk_emit (kernel/printk/printk.c:2479) [ 153.085044][ T4423] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 153.085047][ T4423] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 153.085050][ T4423] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 153.085055][ T4423] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 153.085059][ T4423] _printk (kernel/printk/printk.c:2504) [ 153.085063][ T4423] ? snapshot_read.cold (user.c:?) [ 153.085066][ T4423] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 153.085070][ T4423] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 153.085075][ T4423] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 153.085078][ T4423] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 153.085082][ T4423] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 153.085085][ T4423] ? netdev_notice (net/core/dev.c:13194) [ 153.085089][ T4423] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 153.085091][ T4423] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 153.085095][ T4423] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 153.085097][ T4423] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.085100][ T4423] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.085102][ T4423] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 153.085104][ T4423] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 153.085107][ T4423] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 153.085109][ T4423] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 153.085111][ T4423] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 153.085114][ T4423] ? register_netdev (net/core/dev.c:11618) [ 153.085117][ T4423] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 153.085120][ T4423] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 153.085124][ T4423] ? __kernel_text_address (kernel/extable.c:79) [ 153.085128][ T4423] ? write_profile (profile.c:?) [ 153.085132][ T4423] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 153.085137][ T4423] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 153.085140][ T4423] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 153.085143][ T4423] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 153.085145][ T4423] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.085147][ T4423] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 153.085152][ T4423] ? kasan_save_stack (mm/kasan/common.c:58) [ 153.085154][ T4423] ? kasan_save_stack (mm/kasan/common.c:57) [ 153.085156][ T4423] ? kasan_save_track (mm/kasan/common.c:78) [ 153.085158][ T4423] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 153.085161][ T4423] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 153.085163][ T4423] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 153.085165][ T4423] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 153.085167][ T4423] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 153.085171][ T4423] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 153.085173][ T4423] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 153.085180][ T4423] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 153.085184][ T4423] ? ____sys_sendmsg (net/socket.c:2713) [ 153.085187][ T4423] ? ___sys_sendmsg (net/socket.c:2767) [ 153.085190][ T4423] ? __sys_sendmsg (net/socket.c:2799) [ 153.085194][ T4423] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 153.085197][ T4423] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 153.085202][ T4423] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.085205][ T4423] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 153.085208][ T4423] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.085210][ T4423] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.085212][ T4423] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 153.085215][ T4423] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 153.085217][ T4423] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 153.085220][ T4423] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 153.085223][ T4423] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 153.085225][ T4423] ? nla_get_range_signed (lib/nlattr.c:270) [ 153.085230][ T4423] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.085233][ T4423] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 153.085238][ T4423] rtnl_newlink (net/core/rtnetlink.c:4215) [ 153.085241][ T4423] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.085244][ T4423] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 153.085246][ T4423] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 153.085249][ T4423] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.085252][ T4423] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 153.085256][ T4423] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 153.085258][ T4423] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 153.085261][ T4423] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.085263][ T4423] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 153.085268][ T4423] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 153.085272][ T4423] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.085274][ T4423] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 153.085277][ T4423] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.085280][ T4423] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 153.085283][ T4423] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 153.085287][ T4423] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 153.085290][ T4423] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 153.085293][ T4423] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 153.085299][ T4423] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 153.085302][ T4423] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 153.085305][ T4423] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 153.085308][ T4423] ? netlink_ack (./include/linux/skbuff.h:2718) [ 153.085311][ T4423] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 153.085317][ T4423] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.085321][ T4423] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 153.085326][ T4423] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 153.085331][ T4423] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 153.085335][ T4423] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 153.085340][ T4423] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 153.085345][ T4423] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 153.085348][ T4423] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 153.085352][ T4423] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 153.085355][ T4423] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 153.085361][ T4423] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 153.085364][ T4423] ____sys_sendmsg (net/socket.c:2713) [ 153.085367][ T4423] ? copy_msghdr_from_user (net/socket.c:2650) [ 153.085371][ T4423] ? sock_write_iter (net/socket.c:1269) [ 153.085373][ T4423] ? move_addr_to_kernel (net/socket.c:258) [ 153.085376][ T4423] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 153.085381][ T4423] ___sys_sendmsg (net/socket.c:2767) [ 153.085385][ T4423] ? copy_msghdr_from_user (net/socket.c:2619) [ 153.085395][ T4423] __sys_sendmsg (net/socket.c:2799) [ 153.085399][ T4423] ? __sys_sendmsg_sock (net/socket.c:2780) [ 153.085404][ T4423] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 153.085407][ T4423] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 153.085411][ T4423] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 153.085414][ T4423] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 153.085417][ T4423] RIP: 0033:0x7f7b1dfa354e [ 153.085421][ T4423] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 153.085425][ T4423] RSP: 002b:00007fff858940d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 153.085431][ T4423] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f7b1dfa354e [ 153.085434][ T4423] RDX: 0000000000000000 RSI: 00007fff85894180 RDI: 0000000000000005 [ 153.085436][ T4423] RBP: 00007fff858940e0 R08: 0000000000000000 R09: 0000000000000000 [ 153.085438][ T4423] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918eaa [ 153.085446][ T4423] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff85894840 | [ 154.614423][ T4482] softirqs last disabled at (0): 0x0 | [ 154.614426][ T4482] Preemption disabled at: | [ 154.614427][ T4482] vprintk_emit (kernel/printk/printk.c:2471) | [ 154.614440][ T4482] Tainted: [W]=WARN [ 154.614442][ T4482] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 154.614444][ T4482] Call Trace: [ 154.614451][ T4482] [ 154.614453][ T4482] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 154.614460][ T4482] ? vprintk_emit (kernel/printk/printk.c:2471) [ 154.614462][ T4482] __might_resched.cold (kernel/sched/core.c:9234) [ 154.614467][ T4482] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 154.614470][ T4482] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 154.614474][ T4482] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.614478][ T4482] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 154.614482][ T4482] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 154.614486][ T4482] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 154.614492][ T4482] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 154.614495][ T4482] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 154.614499][ T4482] put_chars (drivers/char/virtio_console.c:1176) [ 154.614501][ T4482] ? __send_to_port (drivers/char/virtio_console.c:654) [ 154.614504][ T4482] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 154.614509][ T4482] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 154.614515][ T4482] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 154.614517][ T4482] ? vsnprintf (lib/vsprintf.c:2900) [ 154.614522][ T4482] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 154.614524][ T4482] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.614526][ T4482] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.614529][ T4482] console_emit_next_record (kernel/printk/printk.c:3183) [ 154.614533][ T4482] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 154.614537][ T4482] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.614539][ T4482] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.614541][ T4482] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.614543][ T4482] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 154.614547][ T4482] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 154.614550][ T4482] console_flush_one_record (kernel/printk/printk.c:3268) [ 154.614554][ T4482] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 154.614558][ T4482] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 154.614561][ T4482] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 154.614563][ T4482] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 154.614566][ T4482] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.614568][ T4482] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 154.614571][ T4482] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 154.614573][ T4482] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 154.614576][ T4482] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 154.614579][ T4482] ? vprintk_emit (kernel/printk/printk.c:2478) [ 154.614581][ T4482] vprintk_emit (kernel/printk/printk.c:2479) [ 154.614585][ T4482] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 154.614587][ T4482] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 154.614589][ T4482] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 154.614593][ T4482] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 154.614596][ T4482] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.614598][ T4482] _printk (kernel/printk/printk.c:2504) [ 154.614602][ T4482] ? snapshot_read.cold (user.c:?) [ 154.614606][ T4482] ? br_multicast_flood (??:?) [ 154.614610][ T4482] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 154.614614][ T4482] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 154.614617][ T4482] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 154.614620][ T4482] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 154.614624][ T4482] br_init_port (net/bridge/br_stp_if.c:39) [ 154.614627][ T4482] new_nbp (net/bridge/br_if.c:449) [ 154.614630][ T4482] br_add_if (net/bridge/br_if.c:592) [ 154.614633][ T4482] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 154.614640][ T4482] do_set_master (net/core/rtnetlink.c:3071) [ 154.614643][ T4482] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 154.614646][ T4482] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 154.614648][ T4482] ? __dev_get_by_name (net/core/dev.c:905) [ 154.614651][ T4482] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 154.614657][ T4482] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 154.614661][ T4482] rtnl_newlink (net/core/rtnetlink.c:4215) [ 154.614665][ T4482] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.614667][ T4482] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 154.614669][ T4482] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 154.614672][ T4482] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.614675][ T4482] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 154.614678][ T4482] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 154.614682][ T4482] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 154.614685][ T4482] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.614687][ T4482] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 154.614690][ T4482] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.614692][ T4482] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 154.614694][ T4482] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 154.614697][ T4482] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 154.614700][ T4482] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 154.614702][ T4482] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 154.614708][ T4482] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 154.614712][ T4482] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 154.614714][ T4482] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 154.614717][ T4482] ? netlink_ack (./include/linux/skbuff.h:2718) [ 154.614719][ T4482] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 154.614724][ T4482] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.614726][ T4482] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 154.614729][ T4482] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 154.614733][ T4482] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 154.614736][ T4482] ? next_uptodate_folio (mm/filemap.c:3747) [ 154.614741][ T4482] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 154.614744][ T4482] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 154.614747][ T4482] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 154.614750][ T4482] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 154.614754][ T4482] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 154.614759][ T4482] ____sys_sendmsg (net/socket.c:2713) [ 154.614761][ T4482] ? copy_msghdr_from_user (net/socket.c:2650) [ 154.614764][ T4482] ? sock_write_iter (net/socket.c:1269) [ 154.614766][ T4482] ? move_addr_to_kernel (net/socket.c:258) [ 154.614770][ T4482] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 154.614773][ T4482] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 154.614777][ T4482] ___sys_sendmsg (net/socket.c:2767) [ 154.614779][ T4482] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 154.614782][ T4482] ? copy_msghdr_from_user (net/socket.c:2619) [ 154.614784][ T4482] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 154.614792][ T4482] __sys_sendmsg (net/socket.c:2799) [ 154.614795][ T4482] ? __sys_sendmsg_sock (net/socket.c:2780) [ 154.614799][ T4482] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.614801][ T4482] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 154.614804][ T4482] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 154.614808][ T4482] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 154.614811][ T4482] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 154.614814][ T4482] RIP: 0033:0x7f301cb2b54e [ 154.614818][ T4482] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 154.614820][ T4482] RSP: 002b:00007ffcf8cf0ed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 154.614825][ T4482] RAX: ffffffffffffffda RBX: 00007ffcf8cf1698 RCX: 00007f301cb2b54e [ 154.614828][ T4482] RDX: 0000000000000000 RSI: 00007ffcf8cf0f80 RDI: 0000000000000005 [ 154.614829][ T4482] RBP: 00007ffcf8cf0ee0 R08: 0000000000000000 R09: 0000000000000000 [ 154.614831][ T4482] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918eab [ 154.614832][ T4482] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf8cf1650 | [ 160.283187][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 160.283190][ T69] Preemption disabled at: | [ 160.283191][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 160.283201][ T69] Tainted: [W]=WARN [ 160.283202][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 160.283204][ T69] Workqueue: netns cleanup_net [ 160.283210][ T69] Call Trace: [ 160.283211][ T69] [ 160.283213][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 160.283218][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 160.283220][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 160.283223][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 160.283226][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 160.283229][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.283232][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 160.283234][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 160.283238][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 160.283242][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 160.283244][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 160.283246][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 160.283248][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 160.283250][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 160.283253][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 160.283257][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 160.283259][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 160.283261][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 160.283263][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.283264][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.283266][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 160.283269][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 160.283271][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.283272][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.283273][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.283274][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 160.283277][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 160.283279][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 160.283281][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 160.283284][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 160.283286][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 160.283288][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 160.283289][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.283290][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 160.283292][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 160.283293][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 160.283295][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 160.283297][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 160.283299][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 160.283300][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 160.283302][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 160.283303][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 160.283306][ T69] ? kthread (kernel/kthread.c:436) [ 160.283308][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 160.283311][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 160.283314][ T69] _printk (kernel/printk/printk.c:2504) [ 160.283317][ T69] ? snapshot_read.cold (user.c:?) [ 160.283319][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 160.283323][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 160.283325][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 160.283327][ T69] ? netdev_notice (net/core/dev.c:13194) [ 160.283329][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.283331][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 160.283332][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 160.283335][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 160.283337][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 160.283338][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 160.283340][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 160.283343][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 160.283347][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 160.283349][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 160.283352][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 160.283354][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 160.283356][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 160.283359][ T69] cleanup_net (net/core/net_namespace.c:706) [ 160.283361][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 160.283362][ T69] ? update_load_avg (kernel/sched/fair.c:5864) [ 160.283365][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 160.283367][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 160.283368][ T69] process_one_work (kernel/workqueue.c:3387) [ 160.283371][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 160.283373][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 160.283376][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 160.283378][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 160.283380][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 160.283382][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 160.283384][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 160.283386][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 160.283388][ T69] kthread (kernel/kthread.c:436) [ 160.283389][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 160.283391][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 160.283393][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 160.283395][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 160.283397][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 160.283400][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 160.283402][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 161.729333][ T4599] softirqs last disabled at (0): 0x0 | [ 161.729335][ T4599] Preemption disabled at: | [ 161.729336][ T4599] vprintk_emit (kernel/printk/printk.c:2471) | [ 161.729346][ T4599] Tainted: [W]=WARN [ 161.729347][ T4599] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 161.729349][ T4599] Call Trace: [ 161.729350][ T4599] [ 161.729351][ T4599] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 161.729357][ T4599] ? vprintk_emit (kernel/printk/printk.c:2471) [ 161.729358][ T4599] __might_resched.cold (kernel/sched/core.c:9234) [ 161.729362][ T4599] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 161.729364][ T4599] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 161.729367][ T4599] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.729370][ T4599] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 161.729373][ T4599] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 161.729376][ T4599] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 161.729381][ T4599] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 161.729383][ T4599] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 161.729386][ T4599] put_chars (drivers/char/virtio_console.c:1176) [ 161.729387][ T4599] ? __send_to_port (drivers/char/virtio_console.c:654) [ 161.729389][ T4599] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 161.729392][ T4599] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 161.729397][ T4599] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 161.729399][ T4599] ? vsnprintf (lib/vsprintf.c:2900) [ 161.729402][ T4599] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 161.729404][ T4599] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.729405][ T4599] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.729406][ T4599] console_emit_next_record (kernel/printk/printk.c:3183) [ 161.729409][ T4599] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 161.729412][ T4599] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.729413][ T4599] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.729414][ T4599] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.729415][ T4599] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 161.729417][ T4599] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 161.729419][ T4599] console_flush_one_record (kernel/printk/printk.c:3268) [ 161.729422][ T4599] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 161.729424][ T4599] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 161.729426][ T4599] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 161.729428][ T4599] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 161.729430][ T4599] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.729431][ T4599] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 161.729432][ T4599] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 161.729434][ T4599] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 161.729435][ T4599] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 161.729437][ T4599] ? vprintk_emit (kernel/printk/printk.c:2478) [ 161.729439][ T4599] vprintk_emit (kernel/printk/printk.c:2479) [ 161.729441][ T4599] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 161.729442][ T4599] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 161.729443][ T4599] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 161.729446][ T4599] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 161.729448][ T4599] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.729449][ T4599] _printk (kernel/printk/printk.c:2504) [ 161.729452][ T4599] ? snapshot_read.cold (user.c:?) [ 161.729454][ T4599] ? br_multicast_flood (??:?) [ 161.729458][ T4599] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 161.729460][ T4599] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 161.729462][ T4599] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 161.729464][ T4599] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 161.729466][ T4599] br_init_port (net/bridge/br_stp_if.c:39) [ 161.729468][ T4599] new_nbp (net/bridge/br_if.c:449) [ 161.729470][ T4599] br_add_if (net/bridge/br_if.c:592) [ 161.729477][ T4599] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 161.729481][ T4599] do_set_master (net/core/rtnetlink.c:3071) [ 161.729483][ T4599] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 161.729485][ T4599] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 161.729486][ T4599] ? __dev_get_by_name (net/core/dev.c:905) [ 161.729488][ T4599] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 161.729492][ T4599] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 161.729494][ T4599] rtnl_newlink (net/core/rtnetlink.c:4215) [ 161.729496][ T4599] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.729497][ T4599] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 161.729499][ T4599] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 161.729500][ T4599] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.729502][ T4599] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 161.729504][ T4599] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 161.729506][ T4599] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 161.729508][ T4599] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.729509][ T4599] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 161.729511][ T4599] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.729512][ T4599] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 161.729513][ T4599] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 161.729515][ T4599] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 161.729516][ T4599] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 161.729518][ T4599] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 161.729522][ T4599] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 161.729525][ T4599] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 161.729526][ T4599] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 161.729528][ T4599] ? netlink_ack (./include/linux/skbuff.h:2718) [ 161.729529][ T4599] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 161.729532][ T4599] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.729534][ T4599] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 161.729536][ T4599] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 161.729538][ T4599] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 161.729540][ T4599] ? next_uptodate_folio (mm/filemap.c:3747) [ 161.729544][ T4599] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 161.729546][ T4599] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 161.729548][ T4599] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 161.729549][ T4599] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 161.729553][ T4599] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 161.729556][ T4599] ____sys_sendmsg (net/socket.c:2713) [ 161.729558][ T4599] ? copy_msghdr_from_user (net/socket.c:2650) [ 161.729560][ T4599] ? sock_write_iter (net/socket.c:1269) [ 161.729561][ T4599] ? move_addr_to_kernel (net/socket.c:258) [ 161.729563][ T4599] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 161.729566][ T4599] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 161.729568][ T4599] ___sys_sendmsg (net/socket.c:2767) [ 161.729570][ T4599] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 161.729571][ T4599] ? copy_msghdr_from_user (net/socket.c:2619) [ 161.729573][ T4599] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 161.729578][ T4599] __sys_sendmsg (net/socket.c:2799) [ 161.729580][ T4599] ? __sys_sendmsg_sock (net/socket.c:2780) [ 161.729583][ T4599] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.729584][ T4599] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 161.729585][ T4599] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 161.729588][ T4599] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 161.729590][ T4599] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 161.729592][ T4599] RIP: 0033:0x7fa8850f754e [ 161.729594][ T4599] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 161.729596][ T4599] RSP: 002b:00007ffc5cc89bb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 161.729600][ T4599] RAX: ffffffffffffffda RBX: 00007ffc5cc8a378 RCX: 00007fa8850f754e [ 161.729601][ T4599] RDX: 0000000000000000 RSI: 00007ffc5cc89c60 RDI: 0000000000000005 [ 161.729602][ T4599] RBP: 00007ffc5cc89bc0 R08: 0000000000000000 R09: 0000000000000000 [ 161.729603][ T4599] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918eb3 [ 161.729604][ T4599] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5cc8a330 | [ 163.236358][ T4668] softirqs last disabled at (0): 0x0 | [ 163.236360][ T4668] Preemption disabled at: | [ 163.236361][ T4668] vprintk_emit (kernel/printk/printk.c:2471) | [ 163.236371][ T4668] Tainted: [W]=WARN [ 163.236372][ T4668] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 163.236374][ T4668] Call Trace: [ 163.236375][ T4668] [ 163.236376][ T4668] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 163.236382][ T4668] ? vprintk_emit (kernel/printk/printk.c:2471) [ 163.236383][ T4668] __might_resched.cold (kernel/sched/core.c:9234) [ 163.236387][ T4668] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 163.236391][ T4668] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.236393][ T4668] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 163.236396][ T4668] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 163.236399][ T4668] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 163.236404][ T4668] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 163.236406][ T4668] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 163.236409][ T4668] put_chars (drivers/char/virtio_console.c:1176) [ 163.236410][ T4668] ? __send_to_port (drivers/char/virtio_console.c:654) [ 163.236411][ T4668] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 163.236414][ T4668] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 163.236416][ T4668] ? pointer (lib/vsprintf.c:2577) [ 163.236420][ T4668] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 163.236424][ T4668] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 163.236426][ T4668] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 163.236428][ T4668] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 163.236431][ T4668] console_emit_next_record (kernel/printk/printk.c:3183) [ 163.236433][ T4668] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 163.236436][ T4668] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.236437][ T4668] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.236438][ T4668] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.236439][ T4668] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 163.236441][ T4668] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 163.236443][ T4668] console_flush_one_record (kernel/printk/printk.c:3268) [ 163.236445][ T4668] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 163.236448][ T4668] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 163.236450][ T4668] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 163.236452][ T4668] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 163.236453][ T4668] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.236454][ T4668] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 163.236456][ T4668] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 163.236457][ T4668] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 163.236459][ T4668] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 163.236461][ T4668] ? vprintk_emit (kernel/printk/printk.c:2478) [ 163.236463][ T4668] vprintk_emit (kernel/printk/printk.c:2479) [ 163.236464][ T4668] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 163.236466][ T4668] ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12) [ 163.236468][ T4668] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 163.236471][ T4668] _printk (kernel/printk/printk.c:2504) [ 163.236474][ T4668] ? snapshot_read.cold (user.c:?) [ 163.236476][ T4668] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 163.236484][ T4668] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 163.236487][ T4668] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 163.236489][ T4668] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 163.236492][ T4668] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 163.236494][ T4668] ? netdev_notice (net/core/dev.c:13194) [ 163.236496][ T4668] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 163.236498][ T4668] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 163.236501][ T4668] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 163.236502][ T4668] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.236504][ T4668] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.236505][ T4668] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 163.236508][ T4668] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 163.236509][ T4668] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 163.236511][ T4668] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 163.236512][ T4668] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 163.236514][ T4668] ? register_netdev (net/core/dev.c:11618) [ 163.236515][ T4668] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 163.236517][ T4668] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 163.236520][ T4668] ? __kernel_text_address (kernel/extable.c:79) [ 163.236522][ T4668] ? write_profile (profile.c:?) [ 163.236525][ T4668] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 163.236529][ T4668] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 163.236531][ T4668] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 163.236532][ T4668] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 163.236534][ T4668] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.236535][ T4668] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 163.236539][ T4668] ? kasan_save_stack (mm/kasan/common.c:58) [ 163.236541][ T4668] ? kasan_save_stack (mm/kasan/common.c:57) [ 163.236542][ T4668] ? kasan_save_track (mm/kasan/common.c:78) [ 163.236543][ T4668] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 163.236544][ T4668] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 163.236545][ T4668] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 163.236547][ T4668] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 163.236548][ T4668] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 163.236551][ T4668] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 163.236552][ T4668] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 163.236554][ T4668] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 163.236557][ T4668] ? ____sys_sendmsg (net/socket.c:2713) [ 163.236558][ T4668] ? ___sys_sendmsg (net/socket.c:2767) [ 163.236559][ T4668] ? __sys_sendmsg (net/socket.c:2799) [ 163.236561][ T4668] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 163.236564][ T4668] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 163.236566][ T4668] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.236567][ T4668] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 163.236569][ T4668] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.236570][ T4668] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.236571][ T4668] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 163.236572][ T4668] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 163.236574][ T4668] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 163.236575][ T4668] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 163.236577][ T4668] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 163.236578][ T4668] ? nla_get_range_signed (lib/nlattr.c:270) [ 163.236581][ T4668] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.236582][ T4668] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 163.236585][ T4668] rtnl_newlink (net/core/rtnetlink.c:4215) [ 163.236586][ T4668] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.236588][ T4668] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 163.236589][ T4668] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 163.236591][ T4668] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.236592][ T4668] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 163.236595][ T4668] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 163.236596][ T4668] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 163.236597][ T4668] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.236599][ T4668] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 163.236602][ T4668] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 163.236604][ T4668] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.236605][ T4668] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 163.236607][ T4668] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.236608][ T4668] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 163.236610][ T4668] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 163.236611][ T4668] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 163.236613][ T4668] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 163.236614][ T4668] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 163.236617][ T4668] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 163.236618][ T4668] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 163.236620][ T4668] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 163.236621][ T4668] ? netlink_ack (./include/linux/skbuff.h:2718) [ 163.236623][ T4668] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 163.236626][ T4668] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.236627][ T4668] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 163.236629][ T4668] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 163.236631][ T4668] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 163.236633][ T4668] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 163.236635][ T4668] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 163.236637][ T4668] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 163.236639][ T4668] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 163.236641][ T4668] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 163.236642][ T4668] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 163.236645][ T4668] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 163.236647][ T4668] ____sys_sendmsg (net/socket.c:2713) [ 163.236649][ T4668] ? copy_msghdr_from_user (net/socket.c:2650) [ 163.236651][ T4668] ? sock_write_iter (net/socket.c:1269) [ 163.236652][ T4668] ? move_addr_to_kernel (net/socket.c:258) [ 163.236654][ T4668] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 163.236656][ T4668] ___sys_sendmsg (net/socket.c:2767) [ 163.236658][ T4668] ? copy_msghdr_from_user (net/socket.c:2619) [ 163.236663][ T4668] __sys_sendmsg (net/socket.c:2799) [ 163.236665][ T4668] ? __sys_sendmsg_sock (net/socket.c:2780) [ 163.236668][ T4668] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 163.236669][ T4668] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 163.236671][ T4668] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 163.236673][ T4668] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 163.236675][ T4668] RIP: 0033:0x7f09b5f1254e [ 163.236677][ T4668] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 163.236678][ T4668] RSP: 002b:00007ffe6b9bae20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 163.236682][ T4668] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f09b5f1254e [ 163.236683][ T4668] RDX: 0000000000000000 RSI: 00007ffe6b9baed0 RDI: 0000000000000005 [ 163.236684][ T4668] RBP: 00007ffe6b9bae30 R08: 0000000000000000 R09: 0000000000000000 [ 163.236685][ T4668] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918eb4 [ 163.236686][ T4668] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6b9bb590 | [ 164.368221][ T4718] softirqs last disabled at (0): 0x0 | [ 164.368223][ T4718] Preemption disabled at: | [ 164.368223][ T4718] vprintk_emit (kernel/printk/printk.c:2471) | [ 164.368234][ T4718] Tainted: [W]=WARN [ 164.368235][ T4718] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 164.368236][ T4718] Call Trace: [ 164.368238][ T4718] [ 164.368239][ T4718] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 164.368245][ T4718] ? vprintk_emit (kernel/printk/printk.c:2471) [ 164.368246][ T4718] __might_resched.cold (kernel/sched/core.c:9234) [ 164.368250][ T4718] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 164.368252][ T4718] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 164.368256][ T4718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.368258][ T4718] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 164.368261][ T4718] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 164.368264][ T4718] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 164.368269][ T4718] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 164.368271][ T4718] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 164.368273][ T4718] put_chars (drivers/char/virtio_console.c:1176) [ 164.368275][ T4718] ? __send_to_port (drivers/char/virtio_console.c:654) [ 164.368277][ T4718] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 164.368280][ T4718] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 164.368284][ T4718] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 164.368286][ T4718] ? vsnprintf (lib/vsprintf.c:2900) [ 164.368289][ T4718] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 164.368291][ T4718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.368292][ T4718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.368294][ T4718] console_emit_next_record (kernel/printk/printk.c:3183) [ 164.368296][ T4718] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 164.368299][ T4718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.368300][ T4718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.368301][ T4718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.368302][ T4718] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 164.368304][ T4718] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 164.368306][ T4718] console_flush_one_record (kernel/printk/printk.c:3268) [ 164.368308][ T4718] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 164.368311][ T4718] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 164.368313][ T4718] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 164.368315][ T4718] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 164.368316][ T4718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.368317][ T4718] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 164.368319][ T4718] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 164.368321][ T4718] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 164.368322][ T4718] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 164.368324][ T4718] ? vprintk_emit (kernel/printk/printk.c:2478) [ 164.368326][ T4718] vprintk_emit (kernel/printk/printk.c:2479) [ 164.368327][ T4718] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 164.368329][ T4718] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 164.368330][ T4718] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 164.368333][ T4718] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 164.368335][ T4718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.368336][ T4718] _printk (kernel/printk/printk.c:2504) [ 164.368339][ T4718] ? snapshot_read.cold (user.c:?) [ 164.368341][ T4718] ? br_multicast_flood (??:?) [ 164.368345][ T4718] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 164.368348][ T4718] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 164.368349][ T4718] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 164.368351][ T4718] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 164.368353][ T4718] br_init_port (net/bridge/br_stp_if.c:39) [ 164.368355][ T4718] new_nbp (net/bridge/br_if.c:449) [ 164.368357][ T4718] br_add_if (net/bridge/br_if.c:592) [ 164.368359][ T4718] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 164.368363][ T4718] do_set_master (net/core/rtnetlink.c:3071) [ 164.368365][ T4718] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 164.368367][ T4718] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 164.368368][ T4718] ? __dev_get_by_name (net/core/dev.c:905) [ 164.368370][ T4718] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 164.368374][ T4718] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 164.368376][ T4718] rtnl_newlink (net/core/rtnetlink.c:4215) [ 164.368378][ T4718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.368380][ T4718] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 164.368381][ T4718] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 164.368382][ T4718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.368384][ T4718] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 164.368386][ T4718] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 164.368388][ T4718] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 164.368391][ T4718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.368392][ T4718] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 164.368393][ T4718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.368395][ T4718] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 164.368396][ T4718] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 164.368398][ T4718] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 164.368399][ T4718] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 164.368401][ T4718] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 164.368404][ T4718] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 164.368407][ T4718] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 164.368409][ T4718] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 164.368411][ T4718] ? netlink_ack (./include/linux/skbuff.h:2718) [ 164.368412][ T4718] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 164.368415][ T4718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.368416][ T4718] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 164.368418][ T4718] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 164.368421][ T4718] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 164.368423][ T4718] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 164.368425][ T4718] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 164.368429][ T4718] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 164.368431][ T4718] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 164.368433][ T4718] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 164.368435][ T4718] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 164.368438][ T4718] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 164.368441][ T4718] ____sys_sendmsg (net/socket.c:2713) [ 164.368443][ T4718] ? copy_msghdr_from_user (net/socket.c:2650) [ 164.368445][ T4718] ? sock_write_iter (net/socket.c:1269) [ 164.368446][ T4718] ? move_addr_to_kernel (net/socket.c:258) [ 164.368448][ T4718] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 164.368451][ T4718] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 164.368453][ T4718] ___sys_sendmsg (net/socket.c:2767) [ 164.368455][ T4718] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 164.368456][ T4718] ? copy_msghdr_from_user (net/socket.c:2619) [ 164.368458][ T4718] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 164.368463][ T4718] __sys_sendmsg (net/socket.c:2799) [ 164.368465][ T4718] ? __sys_sendmsg_sock (net/socket.c:2780) [ 164.368467][ T4718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.368469][ T4718] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 164.368470][ T4718] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 164.368472][ T4718] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 164.368474][ T4718] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 164.368476][ T4718] RIP: 0033:0x7f196130e54e [ 164.368478][ T4718] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 164.368485][ T4718] RSP: 002b:00007fff8fc5be20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 164.368489][ T4718] RAX: ffffffffffffffda RBX: 00007fff8fc5c5e8 RCX: 00007f196130e54e [ 164.368490][ T4718] RDX: 0000000000000000 RSI: 00007fff8fc5bed0 RDI: 0000000000000005 [ 164.368492][ T4718] RBP: 00007fff8fc5be30 R08: 0000000000000000 R09: 0000000000000000 [ 164.368492][ T4718] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918eb5 [ 164.368493][ T4718] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8fc5c5a0 | [ 169.947460][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 169.947463][ T69] Preemption disabled at: | [ 169.947463][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 169.947474][ T69] Tainted: [W]=WARN [ 169.947475][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 169.947477][ T69] Workqueue: netns cleanup_net [ 169.947483][ T69] Call Trace: [ 169.947485][ T69] [ 169.947486][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 169.947492][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 169.947493][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 169.947496][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 169.947499][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 169.947506][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.947509][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 169.947512][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 169.947516][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 169.947521][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 169.947522][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 169.947525][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 169.947527][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 169.947529][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 169.947532][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 169.947537][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 169.947539][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 169.947541][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 169.947543][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.947544][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.947545][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 169.947548][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 169.947550][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.947551][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.947552][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.947553][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 169.947556][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 169.947558][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 169.947560][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 169.947563][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 169.947565][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 169.947567][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 169.947568][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.947569][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 169.947571][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 169.947572][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 169.947574][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 169.947576][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 169.947577][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 169.947579][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 169.947580][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 169.947582][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 169.947585][ T69] ? kthread (kernel/kthread.c:436) [ 169.947587][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 169.947590][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 169.947592][ T69] _printk (kernel/printk/printk.c:2504) [ 169.947595][ T69] ? snapshot_read.cold (user.c:?) [ 169.947598][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 169.947601][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 169.947603][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 169.947605][ T69] ? netdev_notice (net/core/dev.c:13194) [ 169.947608][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.947609][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 169.947610][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 169.947613][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 169.947615][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 169.947616][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 169.947618][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 169.947621][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 169.947625][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 169.947627][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 169.947630][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 169.947632][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 169.947634][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 169.947637][ T69] cleanup_net (net/core/net_namespace.c:706) [ 169.947639][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 169.947641][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 169.947643][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 169.947644][ T69] process_one_work (kernel/workqueue.c:3387) [ 169.947647][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 169.947649][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 169.947652][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 169.947654][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 169.947656][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 169.947658][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 169.947660][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 169.947662][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 169.947664][ T69] kthread (kernel/kthread.c:436) [ 169.947665][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 169.947667][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 169.947669][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 169.947671][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 169.947673][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 169.947676][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 169.947677][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 171.206186][ T4844] softirqs last disabled at (0): 0x0 | [ 171.206189][ T4844] Preemption disabled at: | [ 171.206189][ T4844] vprintk_emit (kernel/printk/printk.c:2471) | [ 171.206199][ T4844] Tainted: [W]=WARN [ 171.206201][ T4844] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 171.206203][ T4844] Call Trace: [ 171.206204][ T4844] [ 171.206205][ T4844] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 171.206211][ T4844] ? vprintk_emit (kernel/printk/printk.c:2471) [ 171.206212][ T4844] __might_resched.cold (kernel/sched/core.c:9234) [ 171.206216][ T4844] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 171.206218][ T4844] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 171.206221][ T4844] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.206224][ T4844] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 171.206227][ T4844] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 171.206230][ T4844] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 171.206234][ T4844] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 171.206236][ T4844] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 171.206238][ T4844] put_chars (drivers/char/virtio_console.c:1176) [ 171.206240][ T4844] ? __send_to_port (drivers/char/virtio_console.c:654) [ 171.206242][ T4844] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 171.206245][ T4844] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 171.206249][ T4844] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 171.206251][ T4844] ? vsnprintf (lib/vsprintf.c:2900) [ 171.206254][ T4844] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 171.206256][ T4844] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.206257][ T4844] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.206259][ T4844] console_emit_next_record (kernel/printk/printk.c:3183) [ 171.206262][ T4844] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 171.206264][ T4844] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.206265][ T4844] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.206266][ T4844] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.206267][ T4844] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 171.206269][ T4844] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 171.206271][ T4844] console_flush_one_record (kernel/printk/printk.c:3268) [ 171.206274][ T4844] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 171.206276][ T4844] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 171.206278][ T4844] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 171.206280][ T4844] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 171.206282][ T4844] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.206283][ T4844] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 171.206284][ T4844] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 171.206286][ T4844] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 171.206287][ T4844] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 171.206289][ T4844] ? vprintk_emit (kernel/printk/printk.c:2478) [ 171.206291][ T4844] vprintk_emit (kernel/printk/printk.c:2479) [ 171.206293][ T4844] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 171.206294][ T4844] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 171.206296][ T4844] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 171.206299][ T4844] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 171.206300][ T4844] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.206302][ T4844] _printk (kernel/printk/printk.c:2504) [ 171.206305][ T4844] ? snapshot_read.cold (user.c:?) [ 171.206307][ T4844] ? br_multicast_flood (??:?) [ 171.206310][ T4844] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 171.206313][ T4844] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 171.206314][ T4844] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 171.206316][ T4844] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 171.206319][ T4844] br_init_port (net/bridge/br_stp_if.c:39) [ 171.206321][ T4844] new_nbp (net/bridge/br_if.c:449) [ 171.206323][ T4844] br_add_if (net/bridge/br_if.c:592) [ 171.206325][ T4844] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 171.206329][ T4844] do_set_master (net/core/rtnetlink.c:3071) [ 171.206331][ T4844] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 171.206333][ T4844] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 171.206334][ T4844] ? __dev_get_by_name (net/core/dev.c:905) [ 171.206336][ T4844] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 171.206340][ T4844] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 171.206342][ T4844] rtnl_newlink (net/core/rtnetlink.c:4215) [ 171.206344][ T4844] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.206346][ T4844] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 171.206347][ T4844] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 171.206348][ T4844] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.206350][ T4844] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 171.206352][ T4844] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 171.206354][ T4844] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 171.206356][ T4844] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.206358][ T4844] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 171.206359][ T4844] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.206360][ T4844] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 171.206362][ T4844] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 171.206363][ T4844] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 171.206365][ T4844] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 171.206367][ T4844] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 171.206370][ T4844] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 171.206373][ T4844] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 171.206374][ T4844] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 171.206376][ T4844] ? netlink_ack (./include/linux/skbuff.h:2718) [ 171.206378][ T4844] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 171.206381][ T4844] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.206382][ T4844] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 171.206384][ T4844] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 171.206387][ T4844] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 171.206389][ T4844] ? next_uptodate_folio (mm/filemap.c:3747) [ 171.206392][ T4844] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 171.206394][ T4844] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 171.206396][ T4844] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 171.206398][ T4844] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 171.206401][ T4844] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 171.206404][ T4844] ____sys_sendmsg (net/socket.c:2713) [ 171.206406][ T4844] ? copy_msghdr_from_user (net/socket.c:2650) [ 171.206407][ T4844] ? sock_write_iter (net/socket.c:1269) [ 171.206409][ T4844] ? move_addr_to_kernel (net/socket.c:258) [ 171.206411][ T4844] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 171.206414][ T4844] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 171.206416][ T4844] ___sys_sendmsg (net/socket.c:2767) [ 171.206417][ T4844] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 171.206419][ T4844] ? copy_msghdr_from_user (net/socket.c:2619) [ 171.206421][ T4844] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 171.206425][ T4844] __sys_sendmsg (net/socket.c:2799) [ 171.206428][ T4844] ? __sys_sendmsg_sock (net/socket.c:2780) [ 171.206430][ T4844] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.206431][ T4844] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 171.206433][ T4844] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 171.206435][ T4844] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 171.206437][ T4844] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 171.206440][ T4844] RIP: 0033:0x7f503fea254e [ 171.206442][ T4844] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 171.206444][ T4844] RSP: 002b:00007ffe6e958760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 171.206447][ T4844] RAX: ffffffffffffffda RBX: 00007ffe6e958f28 RCX: 00007f503fea254e [ 171.206449][ T4844] RDX: 0000000000000000 RSI: 00007ffe6e958810 RDI: 0000000000000005 [ 171.206450][ T4844] RBP: 00007ffe6e958770 R08: 0000000000000000 R09: 0000000000000000 [ 171.206451][ T4844] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ebc [ 171.206451][ T4844] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6e958ee0 | [ 172.599244][ T4912] softirqs last disabled at (0): 0x0 | [ 172.599246][ T4912] Preemption disabled at: | [ 172.599247][ T4912] vprintk_emit (kernel/printk/printk.c:2471) | [ 172.599257][ T4912] Tainted: [W]=WARN [ 172.599258][ T4912] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 172.599260][ T4912] Call Trace: [ 172.599261][ T4912] [ 172.599262][ T4912] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 172.599268][ T4912] ? vprintk_emit (kernel/printk/printk.c:2471) [ 172.599270][ T4912] __might_resched.cold (kernel/sched/core.c:9234) [ 172.599274][ T4912] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 172.599278][ T4912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.599281][ T4912] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 172.599284][ T4912] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 172.599287][ T4912] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 172.599292][ T4912] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 172.599294][ T4912] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 172.599297][ T4912] put_chars (drivers/char/virtio_console.c:1176) [ 172.599299][ T4912] ? __send_to_port (drivers/char/virtio_console.c:654) [ 172.599300][ T4912] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 172.599302][ T4912] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 172.599304][ T4912] ? pointer (lib/vsprintf.c:2577) [ 172.599308][ T4912] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 172.599313][ T4912] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 172.599314][ T4912] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 172.599316][ T4912] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 172.599319][ T4912] console_emit_next_record (kernel/printk/printk.c:3183) [ 172.599322][ T4912] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 172.599324][ T4912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.599325][ T4912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.599326][ T4912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.599327][ T4912] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 172.599329][ T4912] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 172.599331][ T4912] console_flush_one_record (kernel/printk/printk.c:3268) [ 172.599333][ T4912] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 172.599336][ T4912] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 172.599338][ T4912] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 172.599340][ T4912] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 172.599341][ T4912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.599342][ T4912] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 172.599344][ T4912] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 172.599345][ T4912] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 172.599347][ T4912] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 172.599349][ T4912] ? vprintk_emit (kernel/printk/printk.c:2478) [ 172.599350][ T4912] vprintk_emit (kernel/printk/printk.c:2479) [ 172.599352][ T4912] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 172.599354][ T4912] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 172.599356][ T4912] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 172.599359][ T4912] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 172.599361][ T4912] _printk (kernel/printk/printk.c:2504) [ 172.599365][ T4912] ? snapshot_read.cold (user.c:?) [ 172.599367][ T4912] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 172.599369][ T4912] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 172.599372][ T4912] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 172.599374][ T4912] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 172.599378][ T4912] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 172.599380][ T4912] ? netdev_notice (net/core/dev.c:13194) [ 172.599382][ T4912] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 172.599384][ T4912] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 172.599387][ T4912] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 172.599389][ T4912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.599390][ T4912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.599391][ T4912] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 172.599392][ T4912] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 172.599394][ T4912] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 172.599395][ T4912] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 172.599397][ T4912] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 172.599398][ T4912] ? register_netdev (net/core/dev.c:11618) [ 172.599400][ T4912] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 172.599402][ T4912] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 172.599405][ T4912] ? __kernel_text_address (kernel/extable.c:79) [ 172.599407][ T4912] ? write_profile (profile.c:?) [ 172.599410][ T4912] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 172.599414][ T4912] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 172.599416][ T4912] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 172.599418][ T4912] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 172.599419][ T4912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.599420][ T4912] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 172.599423][ T4912] ? kasan_save_stack (mm/kasan/common.c:58) [ 172.599425][ T4912] ? kasan_save_stack (mm/kasan/common.c:57) [ 172.599426][ T4912] ? kasan_save_track (mm/kasan/common.c:78) [ 172.599427][ T4912] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 172.599428][ T4912] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 172.599430][ T4912] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 172.599431][ T4912] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 172.599432][ T4912] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 172.599436][ T4912] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 172.599437][ T4912] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 172.599439][ T4912] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 172.599441][ T4912] ? ____sys_sendmsg (net/socket.c:2713) [ 172.599443][ T4912] ? ___sys_sendmsg (net/socket.c:2767) [ 172.599444][ T4912] ? __sys_sendmsg (net/socket.c:2799) [ 172.599446][ T4912] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 172.599448][ T4912] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 172.599451][ T4912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.599452][ T4912] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 172.599454][ T4912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.599455][ T4912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.599456][ T4912] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 172.599458][ T4912] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 172.599459][ T4912] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 172.599460][ T4912] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 172.599462][ T4912] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 172.599463][ T4912] ? nla_get_range_signed (lib/nlattr.c:270) [ 172.599467][ T4912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.599468][ T4912] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 172.599470][ T4912] rtnl_newlink (net/core/rtnetlink.c:4215) [ 172.599472][ T4912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.599473][ T4912] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 172.599474][ T4912] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 172.599476][ T4912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.599477][ T4912] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 172.599480][ T4912] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 172.599481][ T4912] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 172.599483][ T4912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.599484][ T4912] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 172.599487][ T4912] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 172.599490][ T4912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.599491][ T4912] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 172.599493][ T4912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.599494][ T4912] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 172.599495][ T4912] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 172.599497][ T4912] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 172.599498][ T4912] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 172.599500][ T4912] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 172.599502][ T4912] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 172.599504][ T4912] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 172.599505][ T4912] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 172.599507][ T4912] ? netlink_ack (./include/linux/skbuff.h:2718) [ 172.599509][ T4912] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 172.599516][ T4912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.599518][ T4912] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 172.599520][ T4912] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 172.599522][ T4912] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 172.599524][ T4912] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 172.599526][ T4912] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 172.599528][ T4912] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 172.599530][ T4912] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 172.599532][ T4912] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 172.599533][ T4912] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 172.599537][ T4912] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 172.599539][ T4912] ____sys_sendmsg (net/socket.c:2713) [ 172.599540][ T4912] ? copy_msghdr_from_user (net/socket.c:2650) [ 172.599542][ T4912] ? sock_write_iter (net/socket.c:1269) [ 172.599544][ T4912] ? move_addr_to_kernel (net/socket.c:258) [ 172.599545][ T4912] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 172.599548][ T4912] ___sys_sendmsg (net/socket.c:2767) [ 172.599550][ T4912] ? copy_msghdr_from_user (net/socket.c:2619) [ 172.599555][ T4912] __sys_sendmsg (net/socket.c:2799) [ 172.599557][ T4912] ? __sys_sendmsg_sock (net/socket.c:2780) [ 172.599560][ T4912] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 172.599561][ T4912] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 172.599563][ T4912] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 172.599565][ T4912] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 172.599567][ T4912] RIP: 0033:0x7fa9092ad54e [ 172.599569][ T4912] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 172.599571][ T4912] RSP: 002b:00007fff7569a590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 172.599575][ T4912] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa9092ad54e [ 172.599576][ T4912] RDX: 0000000000000000 RSI: 00007fff7569a640 RDI: 0000000000000005 [ 172.599577][ T4912] RBP: 00007fff7569a5a0 R08: 0000000000000000 R09: 0000000000000000 [ 172.599578][ T4912] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ebd [ 172.599579][ T4912] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7569ad00 | [ 173.743613][ T4970] softirqs last disabled at (0): 0x0 | [ 173.743615][ T4970] Preemption disabled at: | [ 173.743615][ T4970] vprintk_emit (kernel/printk/printk.c:2471) | [ 173.743626][ T4970] Tainted: [W]=WARN [ 173.743627][ T4970] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 173.743629][ T4970] Call Trace: [ 173.743630][ T4970] [ 173.743631][ T4970] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 173.743637][ T4970] ? vprintk_emit (kernel/printk/printk.c:2471) [ 173.743638][ T4970] __might_resched.cold (kernel/sched/core.c:9234) [ 173.743642][ T4970] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 173.743644][ T4970] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 173.743648][ T4970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 173.743650][ T4970] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 173.743653][ T4970] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 173.743656][ T4970] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 173.743661][ T4970] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 173.743663][ T4970] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 173.743666][ T4970] put_chars (drivers/char/virtio_console.c:1176) [ 173.743668][ T4970] ? __send_to_port (drivers/char/virtio_console.c:654) [ 173.743669][ T4970] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 173.743672][ T4970] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 173.743677][ T4970] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 173.743679][ T4970] ? vsnprintf (lib/vsprintf.c:2900) [ 173.743682][ T4970] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 173.743684][ T4970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 173.743685][ T4970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 173.743687][ T4970] console_emit_next_record (kernel/printk/printk.c:3183) [ 173.743690][ T4970] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 173.743692][ T4970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 173.743693][ T4970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 173.743694][ T4970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 173.743695][ T4970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 173.743698][ T4970] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 173.743700][ T4970] console_flush_one_record (kernel/printk/printk.c:3268) [ 173.743702][ T4970] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 173.743705][ T4970] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 173.743707][ T4970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 173.743709][ T4970] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 173.743710][ T4970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 173.743711][ T4970] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 173.743713][ T4970] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 173.743715][ T4970] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 173.743716][ T4970] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 173.743718][ T4970] ? vprintk_emit (kernel/printk/printk.c:2478) [ 173.743720][ T4970] vprintk_emit (kernel/printk/printk.c:2479) [ 173.743722][ T4970] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 173.743723][ T4970] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 173.743725][ T4970] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 173.743728][ T4970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 173.743729][ T4970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 173.743731][ T4970] _printk (kernel/printk/printk.c:2504) [ 173.743734][ T4970] ? snapshot_read.cold (user.c:?) [ 173.743736][ T4970] ? br_multicast_flood (??:?) [ 173.743740][ T4970] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 173.743743][ T4970] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 173.743744][ T4970] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 173.743746][ T4970] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 173.743749][ T4970] br_init_port (net/bridge/br_stp_if.c:39) [ 173.743750][ T4970] new_nbp (net/bridge/br_if.c:449) [ 173.743753][ T4970] br_add_if (net/bridge/br_if.c:592) [ 173.743755][ T4970] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 173.743759][ T4970] do_set_master (net/core/rtnetlink.c:3071) [ 173.743761][ T4970] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 173.743763][ T4970] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 173.743764][ T4970] ? __dev_get_by_name (net/core/dev.c:905) [ 173.743766][ T4970] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 173.743770][ T4970] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 173.743772][ T4970] rtnl_newlink (net/core/rtnetlink.c:4215) [ 173.743774][ T4970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 173.743776][ T4970] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 173.743777][ T4970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 173.743778][ T4970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 173.743780][ T4970] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 173.743783][ T4970] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 173.743784][ T4970] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 173.743787][ T4970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 173.743788][ T4970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 173.743790][ T4970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 173.743791][ T4970] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 173.743792][ T4970] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 173.743794][ T4970] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 173.743796][ T4970] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 173.743797][ T4970] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 173.743801][ T4970] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 173.743804][ T4970] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 173.743806][ T4970] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 173.743807][ T4970] ? netlink_ack (./include/linux/skbuff.h:2718) [ 173.743809][ T4970] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 173.743812][ T4970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 173.743813][ T4970] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 173.743815][ T4970] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 173.743818][ T4970] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 173.743820][ T4970] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 173.743822][ T4970] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 173.743825][ T4970] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 173.743827][ T4970] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 173.743829][ T4970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 173.743831][ T4970] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 173.743835][ T4970] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 173.743838][ T4970] ____sys_sendmsg (net/socket.c:2713) [ 173.743840][ T4970] ? copy_msghdr_from_user (net/socket.c:2650) [ 173.743841][ T4970] ? sock_write_iter (net/socket.c:1269) [ 173.743843][ T4970] ? move_addr_to_kernel (net/socket.c:258) [ 173.743845][ T4970] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 173.743848][ T4970] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 173.743850][ T4970] ___sys_sendmsg (net/socket.c:2767) [ 173.743852][ T4970] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 173.743853][ T4970] ? copy_msghdr_from_user (net/socket.c:2619) [ 173.743855][ T4970] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 173.743860][ T4970] __sys_sendmsg (net/socket.c:2799) [ 173.743862][ T4970] ? __sys_sendmsg_sock (net/socket.c:2780) [ 173.743865][ T4970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 173.743866][ T4970] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 173.743868][ T4970] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 173.743870][ T4970] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 173.743872][ T4970] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 173.743874][ T4970] RIP: 0033:0x7fe55551554e [ 173.743876][ T4970] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 173.743878][ T4970] RSP: 002b:00007fff4fcf6a40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 173.743882][ T4970] RAX: ffffffffffffffda RBX: 00007fff4fcf7208 RCX: 00007fe55551554e [ 173.743883][ T4970] RDX: 0000000000000000 RSI: 00007fff4fcf6af0 RDI: 0000000000000005 [ 173.743884][ T4970] RBP: 00007fff4fcf6a50 R08: 0000000000000000 R09: 0000000000000000 [ 173.743885][ T4970] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ebf [ 173.743886][ T4970] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4fcf71c0 | [ 179.280706][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 179.280709][ T69] Preemption disabled at: | [ 179.280710][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 179.280721][ T69] Tainted: [W]=WARN [ 179.280722][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 179.280724][ T69] Workqueue: netns cleanup_net [ 179.280730][ T69] Call Trace: [ 179.280731][ T69] [ 179.280733][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 179.280739][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 179.280741][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 179.280745][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 179.280747][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 179.280751][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 179.280754][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 179.280757][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 179.280760][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 179.280765][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 179.280767][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 179.280770][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 179.280772][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 179.280774][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 179.280777][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 179.280782][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 179.280784][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 179.280786][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 179.280788][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 179.280789][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 179.280791][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 179.280794][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 179.280796][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 179.280797][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 179.280799][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 179.280800][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 179.280802][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 179.280804][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 179.280807][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 179.280810][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 179.280812][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 179.280814][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 179.280816][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 179.280817][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 179.280818][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 179.280820][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 179.280822][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 179.280824][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 179.280826][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 179.280828][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 179.280829][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 179.280831][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 179.280834][ T69] ? kthread (kernel/kthread.c:436) [ 179.280836][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 179.280839][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 179.280842][ T69] _printk (kernel/printk/printk.c:2504) [ 179.280845][ T69] ? snapshot_read.cold (user.c:?) [ 179.280847][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 179.280851][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 179.280853][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 179.280855][ T69] ? netdev_notice (net/core/dev.c:13194) [ 179.280858][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 179.280859][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 179.280861][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 179.280864][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 179.280865][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 179.280867][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 179.280869][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 179.280872][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 179.280876][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 179.280878][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 179.280881][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 179.280883][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 179.280885][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 179.280888][ T69] cleanup_net (net/core/net_namespace.c:706) [ 179.280890][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 179.280892][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 179.280894][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 179.280895][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 179.280897][ T69] process_one_work (kernel/workqueue.c:3387) [ 179.280900][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 179.280902][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 179.280905][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 179.280907][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 179.280910][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 179.280912][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 179.280914][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 179.280916][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 179.280918][ T69] kthread (kernel/kthread.c:436) [ 179.280920][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 179.280921][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 179.280924][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 179.280926][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 179.280928][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 179.280931][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 179.280933][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 180.558767][ T5094] softirqs last disabled at (0): 0x0 | [ 180.558769][ T5094] Preemption disabled at: | [ 180.558770][ T5094] vprintk_emit (kernel/printk/printk.c:2471) | [ 180.558781][ T5094] Tainted: [W]=WARN [ 180.558782][ T5094] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 180.558784][ T5094] Call Trace: [ 180.558785][ T5094] [ 180.558787][ T5094] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 180.558792][ T5094] ? vprintk_emit (kernel/printk/printk.c:2471) [ 180.558794][ T5094] __might_resched.cold (kernel/sched/core.c:9234) [ 180.558798][ T5094] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 180.558800][ T5094] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 180.558804][ T5094] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 180.558806][ T5094] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 180.558809][ T5094] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 180.558813][ T5094] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 180.558818][ T5094] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 180.558820][ T5094] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 180.558822][ T5094] put_chars (drivers/char/virtio_console.c:1176) [ 180.558824][ T5094] ? __send_to_port (drivers/char/virtio_console.c:654) [ 180.558826][ T5094] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 180.558829][ T5094] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 180.558834][ T5094] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 180.558835][ T5094] ? vsnprintf (lib/vsprintf.c:2900) [ 180.558839][ T5094] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 180.558841][ T5094] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 180.558842][ T5094] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 180.558844][ T5094] console_emit_next_record (kernel/printk/printk.c:3183) [ 180.558847][ T5094] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 180.558849][ T5094] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 180.558850][ T5094] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 180.558851][ T5094] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 180.558852][ T5094] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 180.558854][ T5094] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 180.558856][ T5094] console_flush_one_record (kernel/printk/printk.c:3268) [ 180.558859][ T5094] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 180.558862][ T5094] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 180.558864][ T5094] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 180.558866][ T5094] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 180.558867][ T5094] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 180.558868][ T5094] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 180.558870][ T5094] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 180.558872][ T5094] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 180.558873][ T5094] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 180.558875][ T5094] ? vprintk_emit (kernel/printk/printk.c:2478) [ 180.558877][ T5094] vprintk_emit (kernel/printk/printk.c:2479) [ 180.558879][ T5094] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 180.558880][ T5094] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 180.558882][ T5094] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 180.558885][ T5094] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 180.558886][ T5094] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 180.558888][ T5094] _printk (kernel/printk/printk.c:2504) [ 180.558891][ T5094] ? snapshot_read.cold (user.c:?) [ 180.558893][ T5094] ? br_multicast_flood (??:?) [ 180.558897][ T5094] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 180.558900][ T5094] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 180.558901][ T5094] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 180.558903][ T5094] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 180.558906][ T5094] br_init_port (net/bridge/br_stp_if.c:39) [ 180.558908][ T5094] new_nbp (net/bridge/br_if.c:449) [ 180.558910][ T5094] br_add_if (net/bridge/br_if.c:592) [ 180.558912][ T5094] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 180.558917][ T5094] do_set_master (net/core/rtnetlink.c:3071) [ 180.558919][ T5094] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 180.558921][ T5094] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 180.558922][ T5094] ? __dev_get_by_name (net/core/dev.c:905) [ 180.558924][ T5094] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 180.558928][ T5094] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 180.558931][ T5094] rtnl_newlink (net/core/rtnetlink.c:4215) [ 180.558933][ T5094] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 180.558934][ T5094] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 180.558935][ T5094] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 180.558937][ T5094] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 180.558938][ T5094] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 180.558941][ T5094] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 180.558943][ T5094] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 180.558945][ T5094] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 180.558946][ T5094] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 180.558948][ T5094] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 180.558949][ T5094] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 180.558951][ T5094] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 180.558953][ T5094] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 180.558954][ T5094] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 180.558956][ T5094] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 180.558960][ T5094] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 180.558963][ T5094] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 180.558964][ T5094] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 180.558966][ T5094] ? netlink_ack (./include/linux/skbuff.h:2718) [ 180.558968][ T5094] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 180.558971][ T5094] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 180.558972][ T5094] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 180.558974][ T5094] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 180.558976][ T5094] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 180.558979][ T5094] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 180.558981][ T5094] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 180.558984][ T5094] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 180.558987][ T5094] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 180.558989][ T5094] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 180.558990][ T5094] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 180.558994][ T5094] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 180.558997][ T5094] ____sys_sendmsg (net/socket.c:2713) [ 180.558999][ T5094] ? copy_msghdr_from_user (net/socket.c:2650) [ 180.559001][ T5094] ? sock_write_iter (net/socket.c:1269) [ 180.559002][ T5094] ? move_addr_to_kernel (net/socket.c:258) [ 180.559005][ T5094] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 180.559007][ T5094] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 180.559009][ T5094] ___sys_sendmsg (net/socket.c:2767) [ 180.559011][ T5094] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 180.559013][ T5094] ? copy_msghdr_from_user (net/socket.c:2619) [ 180.559014][ T5094] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 180.559019][ T5094] __sys_sendmsg (net/socket.c:2799) [ 180.559021][ T5094] ? __sys_sendmsg_sock (net/socket.c:2780) [ 180.559024][ T5094] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 180.559026][ T5094] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 180.559027][ T5094] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 180.559030][ T5094] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 180.559032][ T5094] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 180.559034][ T5094] RIP: 0033:0x7fb68d22054e [ 180.559036][ T5094] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 180.559038][ T5094] RSP: 002b:00007ffc853fca90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 180.559042][ T5094] RAX: ffffffffffffffda RBX: 00007ffc853fd258 RCX: 00007fb68d22054e [ 180.559043][ T5094] RDX: 0000000000000000 RSI: 00007ffc853fcb40 RDI: 0000000000000005 [ 180.559044][ T5094] RBP: 00007ffc853fcaa0 R08: 0000000000000000 R09: 0000000000000000 [ 180.559045][ T5094] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ec5 [ 180.559046][ T5094] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc853fd210 | [ 181.940918][ T5163] softirqs last disabled at (0): 0x0 | [ 181.940920][ T5163] Preemption disabled at: | [ 181.940921][ T5163] vprintk_emit (kernel/printk/printk.c:2471) | [ 181.940931][ T5163] Tainted: [W]=WARN [ 181.940932][ T5163] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 181.940934][ T5163] Call Trace: [ 181.940935][ T5163] [ 181.940937][ T5163] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 181.940943][ T5163] ? vprintk_emit (kernel/printk/printk.c:2471) [ 181.940944][ T5163] __might_resched.cold (kernel/sched/core.c:9234) [ 181.940948][ T5163] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 181.940952][ T5163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 181.940954][ T5163] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 181.940957][ T5163] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 181.940961][ T5163] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 181.940966][ T5163] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 181.940967][ T5163] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 181.940970][ T5163] put_chars (drivers/char/virtio_console.c:1176) [ 181.940972][ T5163] ? __send_to_port (drivers/char/virtio_console.c:654) [ 181.940973][ T5163] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 181.940975][ T5163] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 181.940977][ T5163] ? pointer (lib/vsprintf.c:2577) [ 181.940981][ T5163] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 181.940985][ T5163] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 181.940987][ T5163] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 181.940989][ T5163] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 181.940992][ T5163] console_emit_next_record (kernel/printk/printk.c:3183) [ 181.940994][ T5163] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 181.940996][ T5163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 181.940997][ T5163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 181.940998][ T5163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 181.940999][ T5163] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 181.941002][ T5163] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 181.941003][ T5163] console_flush_one_record (kernel/printk/printk.c:3268) [ 181.941006][ T5163] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 181.941009][ T5163] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 181.941010][ T5163] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 181.941012][ T5163] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 181.941014][ T5163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 181.941015][ T5163] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 181.941016][ T5163] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 181.941018][ T5163] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 181.941019][ T5163] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 181.941022][ T5163] ? vprintk_emit (kernel/printk/printk.c:2478) [ 181.941023][ T5163] vprintk_emit (kernel/printk/printk.c:2479) [ 181.941025][ T5163] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 181.941026][ T5163] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 181.941029][ T5163] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 181.941032][ T5163] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 181.941034][ T5163] _printk (kernel/printk/printk.c:2504) [ 181.941037][ T5163] ? snapshot_read.cold (user.c:?) [ 181.941039][ T5163] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 181.941041][ T5163] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 181.941045][ T5163] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 181.941047][ T5163] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 181.941050][ T5163] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 181.941052][ T5163] ? netdev_notice (net/core/dev.c:13194) [ 181.941054][ T5163] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 181.941056][ T5163] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 181.941059][ T5163] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 181.941060][ T5163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 181.941061][ T5163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 181.941063][ T5163] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 181.941064][ T5163] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 181.941066][ T5163] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 181.941067][ T5163] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 181.941068][ T5163] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 181.941070][ T5163] ? register_netdev (net/core/dev.c:11618) [ 181.941071][ T5163] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 181.941073][ T5163] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 181.941076][ T5163] ? __kernel_text_address (kernel/extable.c:79) [ 181.941079][ T5163] ? write_profile (profile.c:?) [ 181.941082][ T5163] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 181.941085][ T5163] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 181.941087][ T5163] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 181.941089][ T5163] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 181.941090][ T5163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 181.941091][ T5163] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 181.941095][ T5163] ? kasan_save_stack (mm/kasan/common.c:58) [ 181.941097][ T5163] ? kasan_save_stack (mm/kasan/common.c:57) [ 181.941098][ T5163] ? kasan_save_track (mm/kasan/common.c:78) [ 181.941099][ T5163] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 181.941100][ T5163] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 181.941102][ T5163] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 181.941103][ T5163] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 181.941104][ T5163] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 181.941107][ T5163] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 181.941109][ T5163] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 181.941110][ T5163] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 181.941113][ T5163] ? ____sys_sendmsg (net/socket.c:2713) [ 181.941114][ T5163] ? ___sys_sendmsg (net/socket.c:2767) [ 181.941116][ T5163] ? __sys_sendmsg (net/socket.c:2799) [ 181.941118][ T5163] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 181.941120][ T5163] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 181.941123][ T5163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 181.941124][ T5163] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 181.941125][ T5163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 181.941126][ T5163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 181.941128][ T5163] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 181.941129][ T5163] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 181.941131][ T5163] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 181.941132][ T5163] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 181.941134][ T5163] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 181.941135][ T5163] ? nla_get_range_signed (lib/nlattr.c:270) [ 181.941138][ T5163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 181.941139][ T5163] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 181.941142][ T5163] rtnl_newlink (net/core/rtnetlink.c:4215) [ 181.941143][ T5163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 181.941145][ T5163] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 181.941146][ T5163] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 181.941147][ T5163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 181.941149][ T5163] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 181.941151][ T5163] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 181.941153][ T5163] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 181.941154][ T5163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 181.941155][ T5163] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 181.941159][ T5163] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 181.941161][ T5163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 181.941162][ T5163] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 181.941164][ T5163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 181.941165][ T5163] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 181.941167][ T5163] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 181.941168][ T5163] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 181.941170][ T5163] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 181.941171][ T5163] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 181.941174][ T5163] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 181.941175][ T5163] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 181.941177][ T5163] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 181.941182][ T5163] ? netlink_ack (./include/linux/skbuff.h:2718) [ 181.941183][ T5163] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 181.941186][ T5163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 181.941187][ T5163] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 181.941189][ T5163] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 181.941192][ T5163] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 181.941194][ T5163] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 181.941196][ T5163] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 181.941198][ T5163] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 181.941200][ T5163] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 181.941202][ T5163] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 181.941203][ T5163] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 181.941206][ T5163] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 181.941208][ T5163] ____sys_sendmsg (net/socket.c:2713) [ 181.941210][ T5163] ? copy_msghdr_from_user (net/socket.c:2650) [ 181.941212][ T5163] ? sock_write_iter (net/socket.c:1269) [ 181.941213][ T5163] ? move_addr_to_kernel (net/socket.c:258) [ 181.941215][ T5163] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 181.941217][ T5163] ___sys_sendmsg (net/socket.c:2767) [ 181.941219][ T5163] ? copy_msghdr_from_user (net/socket.c:2619) [ 181.941224][ T5163] __sys_sendmsg (net/socket.c:2799) [ 181.941227][ T5163] ? __sys_sendmsg_sock (net/socket.c:2780) [ 181.941229][ T5163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 181.941231][ T5163] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 181.941233][ T5163] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 181.941235][ T5163] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 181.941236][ T5163] RIP: 0033:0x7fe53bbd754e [ 181.941238][ T5163] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 181.941240][ T5163] RSP: 002b:00007ffcc7e0d760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 181.941244][ T5163] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe53bbd754e [ 181.941245][ T5163] RDX: 0000000000000000 RSI: 00007ffcc7e0d810 RDI: 0000000000000005 [ 181.941246][ T5163] RBP: 00007ffcc7e0d770 R08: 0000000000000000 R09: 0000000000000000 [ 181.941247][ T5163] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ec7 [ 181.941248][ T5163] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc7e0ded0 | [ 183.079921][ T5213] softirqs last disabled at (0): 0x0 | [ 183.079923][ T5213] Preemption disabled at: | [ 183.079924][ T5213] vprintk_emit (kernel/printk/printk.c:2471) | [ 183.079934][ T5213] Tainted: [W]=WARN [ 183.079935][ T5213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 183.079936][ T5213] Call Trace: [ 183.079938][ T5213] [ 183.079939][ T5213] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 183.079945][ T5213] ? vprintk_emit (kernel/printk/printk.c:2471) [ 183.079946][ T5213] __might_resched.cold (kernel/sched/core.c:9234) [ 183.079950][ T5213] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 183.079952][ T5213] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 183.079956][ T5213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 183.079958][ T5213] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 183.079961][ T5213] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 183.079965][ T5213] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 183.079970][ T5213] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 183.079972][ T5213] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 183.079974][ T5213] put_chars (drivers/char/virtio_console.c:1176) [ 183.079976][ T5213] ? __send_to_port (drivers/char/virtio_console.c:654) [ 183.079978][ T5213] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 183.079981][ T5213] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 183.079986][ T5213] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 183.079988][ T5213] ? vsnprintf (lib/vsprintf.c:2900) [ 183.079991][ T5213] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 183.079993][ T5213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 183.079994][ T5213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 183.079995][ T5213] console_emit_next_record (kernel/printk/printk.c:3183) [ 183.079998][ T5213] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 183.080000][ T5213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 183.080001][ T5213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 183.080002][ T5213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 183.080004][ T5213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 183.080006][ T5213] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 183.080008][ T5213] console_flush_one_record (kernel/printk/printk.c:3268) [ 183.080010][ T5213] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 183.080013][ T5213] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 183.080015][ T5213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 183.080017][ T5213] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 183.080018][ T5213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 183.080019][ T5213] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 183.080021][ T5213] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 183.080022][ T5213] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 183.080024][ T5213] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 183.080026][ T5213] ? vprintk_emit (kernel/printk/printk.c:2478) [ 183.080027][ T5213] vprintk_emit (kernel/printk/printk.c:2479) [ 183.080029][ T5213] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 183.080031][ T5213] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 183.080032][ T5213] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 183.080035][ T5213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 183.080037][ T5213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 183.080038][ T5213] _printk (kernel/printk/printk.c:2504) [ 183.080041][ T5213] ? snapshot_read.cold (user.c:?) [ 183.080043][ T5213] ? br_multicast_flood (??:?) [ 183.080047][ T5213] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 183.080050][ T5213] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 183.080051][ T5213] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 183.080053][ T5213] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 183.080056][ T5213] br_init_port (net/bridge/br_stp_if.c:39) [ 183.080058][ T5213] new_nbp (net/bridge/br_if.c:449) [ 183.080060][ T5213] br_add_if (net/bridge/br_if.c:592) [ 183.080062][ T5213] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 183.080066][ T5213] do_set_master (net/core/rtnetlink.c:3071) [ 183.080068][ T5213] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 183.080070][ T5213] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 183.080072][ T5213] ? __dev_get_by_name (net/core/dev.c:905) [ 183.080074][ T5213] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 183.080077][ T5213] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 183.080080][ T5213] rtnl_newlink (net/core/rtnetlink.c:4215) [ 183.080082][ T5213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 183.080083][ T5213] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 183.080084][ T5213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 183.080086][ T5213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 183.080088][ T5213] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 183.080090][ T5213] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 183.080092][ T5213] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 183.080094][ T5213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 183.080096][ T5213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 183.080097][ T5213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 183.080098][ T5213] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 183.080100][ T5213] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 183.080102][ T5213] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 183.080103][ T5213] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 183.080105][ T5213] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 183.080108][ T5213] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 183.080112][ T5213] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 183.080113][ T5213] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 183.080115][ T5213] ? netlink_ack (./include/linux/skbuff.h:2718) [ 183.080116][ T5213] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 183.080119][ T5213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 183.080121][ T5213] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 183.080123][ T5213] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 183.080125][ T5213] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 183.080127][ T5213] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 183.080130][ T5213] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 183.080133][ T5213] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 183.080135][ T5213] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 183.080137][ T5213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 183.080138][ T5213] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 183.080142][ T5213] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 183.080145][ T5213] ____sys_sendmsg (net/socket.c:2713) [ 183.080147][ T5213] ? copy_msghdr_from_user (net/socket.c:2650) [ 183.080148][ T5213] ? sock_write_iter (net/socket.c:1269) [ 183.080150][ T5213] ? move_addr_to_kernel (net/socket.c:258) [ 183.080152][ T5213] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 183.080155][ T5213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 183.080157][ T5213] ___sys_sendmsg (net/socket.c:2767) [ 183.080158][ T5213] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 183.080161][ T5213] ? copy_msghdr_from_user (net/socket.c:2619) [ 183.080162][ T5213] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 183.080167][ T5213] __sys_sendmsg (net/socket.c:2799) [ 183.080169][ T5213] ? __sys_sendmsg_sock (net/socket.c:2780) [ 183.080172][ T5213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 183.080173][ T5213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 183.080175][ T5213] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 183.080177][ T5213] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 183.080182][ T5213] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 183.080184][ T5213] RIP: 0033:0x7f0b433e754e [ 183.080186][ T5213] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 183.080188][ T5213] RSP: 002b:00007ffd4b318ff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 183.080191][ T5213] RAX: ffffffffffffffda RBX: 00007ffd4b3197b8 RCX: 00007f0b433e754e [ 183.080193][ T5213] RDX: 0000000000000000 RSI: 00007ffd4b3190a0 RDI: 0000000000000005 [ 183.080194][ T5213] RBP: 00007ffd4b319000 R08: 0000000000000000 R09: 0000000000000000 [ 183.080195][ T5213] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ec8 [ 183.080196][ T5213] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4b319770 | [ 188.636685][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 188.636687][ T69] Preemption disabled at: | [ 188.636688][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 188.636698][ T69] Tainted: [W]=WARN [ 188.636699][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 188.636701][ T69] Workqueue: netns cleanup_net [ 188.636707][ T69] Call Trace: [ 188.636708][ T69] [ 188.636710][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 188.636716][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 188.636718][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 188.636721][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 188.636723][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 188.636727][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 188.636729][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 188.636733][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 188.636736][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 188.636741][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 188.636743][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 188.636745][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 188.636747][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 188.636749][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 188.636752][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 188.636756][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 188.636758][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 188.636761][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 188.636763][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 188.636764][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 188.636765][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 188.636768][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 188.636770][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 188.636772][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 188.636773][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 188.636774][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 188.636776][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 188.636778][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 188.636780][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 188.636783][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 188.636785][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 188.636787][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 188.636788][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 188.636789][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 188.636791][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 188.636792][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 188.636794][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 188.636796][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 188.636797][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 188.636799][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 188.636801][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 188.636802][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 188.636805][ T69] ? kthread (kernel/kthread.c:436) [ 188.636807][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 188.636810][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 188.636813][ T69] _printk (kernel/printk/printk.c:2504) [ 188.636817][ T69] ? snapshot_read.cold (user.c:?) [ 188.636819][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 188.636822][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 188.636824][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 188.636827][ T69] ? netdev_notice (net/core/dev.c:13194) [ 188.636829][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 188.636830][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 188.636832][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 188.636835][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 188.636836][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 188.636838][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 188.636840][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 188.636843][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 188.636847][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 188.636849][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 188.636852][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 188.636854][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 188.636856][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 188.636859][ T69] cleanup_net (net/core/net_namespace.c:706) [ 188.636861][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 188.636863][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 188.636865][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 188.636866][ T69] process_one_work (kernel/workqueue.c:3387) [ 188.636870][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 188.636872][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 188.636874][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 188.636876][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 188.636879][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 188.636881][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 188.636883][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 188.636885][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 188.636886][ T69] kthread (kernel/kthread.c:436) [ 188.636888][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 188.636890][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 188.636892][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 188.636894][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 188.636896][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 188.636899][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 188.636901][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 189.825463][ T5336] softirqs last disabled at (0): 0x0 | [ 189.825465][ T5336] Preemption disabled at: | [ 189.825466][ T5336] vprintk_emit (kernel/printk/printk.c:2471) | [ 189.825476][ T5336] Tainted: [W]=WARN [ 189.825477][ T5336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 189.825479][ T5336] Call Trace: [ 189.825480][ T5336] [ 189.825482][ T5336] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 189.825487][ T5336] ? vprintk_emit (kernel/printk/printk.c:2471) [ 189.825489][ T5336] __might_resched.cold (kernel/sched/core.c:9234) [ 189.825492][ T5336] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 189.825495][ T5336] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 189.825498][ T5336] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 189.825501][ T5336] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 189.825503][ T5336] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 189.825507][ T5336] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 189.825512][ T5336] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 189.825513][ T5336] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 189.825516][ T5336] put_chars (drivers/char/virtio_console.c:1176) [ 189.825518][ T5336] ? __send_to_port (drivers/char/virtio_console.c:654) [ 189.825520][ T5336] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 189.825523][ T5336] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 189.825528][ T5336] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 189.825529][ T5336] ? vsnprintf (lib/vsprintf.c:2900) [ 189.825533][ T5336] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 189.825535][ T5336] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 189.825536][ T5336] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 189.825538][ T5336] console_emit_next_record (kernel/printk/printk.c:3183) [ 189.825540][ T5336] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 189.825542][ T5336] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 189.825544][ T5336] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 189.825545][ T5336] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 189.825546][ T5336] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 189.825548][ T5336] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 189.825550][ T5336] console_flush_one_record (kernel/printk/printk.c:3268) [ 189.825553][ T5336] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 189.825556][ T5336] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 189.825558][ T5336] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 189.825559][ T5336] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 189.825561][ T5336] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 189.825562][ T5336] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 189.825564][ T5336] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 189.825566][ T5336] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 189.825567][ T5336] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 189.825569][ T5336] ? vprintk_emit (kernel/printk/printk.c:2478) [ 189.825571][ T5336] vprintk_emit (kernel/printk/printk.c:2479) [ 189.825572][ T5336] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 189.825574][ T5336] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 189.825580][ T5336] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 189.825583][ T5336] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 189.825585][ T5336] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 189.825587][ T5336] _printk (kernel/printk/printk.c:2504) [ 189.825590][ T5336] ? snapshot_read.cold (user.c:?) [ 189.825592][ T5336] ? br_multicast_flood (??:?) [ 189.825595][ T5336] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 189.825598][ T5336] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 189.825599][ T5336] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 189.825601][ T5336] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 189.825604][ T5336] br_init_port (net/bridge/br_stp_if.c:39) [ 189.825606][ T5336] new_nbp (net/bridge/br_if.c:449) [ 189.825608][ T5336] br_add_if (net/bridge/br_if.c:592) [ 189.825610][ T5336] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 189.825614][ T5336] do_set_master (net/core/rtnetlink.c:3071) [ 189.825616][ T5336] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 189.825618][ T5336] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 189.825620][ T5336] ? __dev_get_by_name (net/core/dev.c:905) [ 189.825621][ T5336] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 189.825625][ T5336] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 189.825628][ T5336] rtnl_newlink (net/core/rtnetlink.c:4215) [ 189.825630][ T5336] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 189.825631][ T5336] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 189.825633][ T5336] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 189.825634][ T5336] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 189.825636][ T5336] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 189.825638][ T5336] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 189.825640][ T5336] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 189.825643][ T5336] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 189.825644][ T5336] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 189.825646][ T5336] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 189.825647][ T5336] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 189.825648][ T5336] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 189.825650][ T5336] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 189.825652][ T5336] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 189.825653][ T5336] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 189.825657][ T5336] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 189.825660][ T5336] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 189.825662][ T5336] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 189.825663][ T5336] ? netlink_ack (./include/linux/skbuff.h:2718) [ 189.825665][ T5336] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 189.825668][ T5336] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 189.825670][ T5336] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 189.825672][ T5336] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 189.825674][ T5336] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 189.825676][ T5336] ? next_uptodate_folio (mm/filemap.c:3747) [ 189.825679][ T5336] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 189.825681][ T5336] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 189.825683][ T5336] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 189.825685][ T5336] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 189.825689][ T5336] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 189.825692][ T5336] ____sys_sendmsg (net/socket.c:2713) [ 189.825694][ T5336] ? copy_msghdr_from_user (net/socket.c:2650) [ 189.825695][ T5336] ? sock_write_iter (net/socket.c:1269) [ 189.825697][ T5336] ? move_addr_to_kernel (net/socket.c:258) [ 189.825699][ T5336] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 189.825702][ T5336] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 189.825704][ T5336] ___sys_sendmsg (net/socket.c:2767) [ 189.825705][ T5336] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 189.825707][ T5336] ? copy_msghdr_from_user (net/socket.c:2619) [ 189.825709][ T5336] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 189.825714][ T5336] __sys_sendmsg (net/socket.c:2799) [ 189.825716][ T5336] ? __sys_sendmsg_sock (net/socket.c:2780) [ 189.825719][ T5336] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 189.825720][ T5336] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 189.825721][ T5336] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 189.825724][ T5336] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 189.825726][ T5336] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 189.825728][ T5336] RIP: 0033:0x7f2c07c3d54e [ 189.825730][ T5336] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 189.825732][ T5336] RSP: 002b:00007ffc43fc5cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 189.825736][ T5336] RAX: ffffffffffffffda RBX: 00007ffc43fc64b8 RCX: 00007f2c07c3d54e [ 189.825737][ T5336] RDX: 0000000000000000 RSI: 00007ffc43fc5da0 RDI: 0000000000000005 [ 189.825738][ T5336] RBP: 00007ffc43fc5d00 R08: 0000000000000000 R09: 0000000000000000 [ 189.825739][ T5336] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ecf [ 189.825740][ T5336] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc43fc6470 | [ 191.146113][ T5406] softirqs last disabled at (0): 0x0 | [ 191.146114][ T5406] Preemption disabled at: | [ 191.146115][ T5406] vprintk_emit (kernel/printk/printk.c:2471) | [ 191.146125][ T5406] Tainted: [W]=WARN [ 191.146126][ T5406] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 191.146128][ T5406] Call Trace: [ 191.146129][ T5406] [ 191.146131][ T5406] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 191.146136][ T5406] ? vprintk_emit (kernel/printk/printk.c:2471) [ 191.146137][ T5406] __might_resched.cold (kernel/sched/core.c:9234) [ 191.146141][ T5406] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 191.146145][ T5406] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.146147][ T5406] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 191.146151][ T5406] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 191.146154][ T5406] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 191.146159][ T5406] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 191.146161][ T5406] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 191.146163][ T5406] put_chars (drivers/char/virtio_console.c:1176) [ 191.146165][ T5406] ? __send_to_port (drivers/char/virtio_console.c:654) [ 191.146166][ T5406] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 191.146169][ T5406] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 191.146171][ T5406] ? pointer (lib/vsprintf.c:2577) [ 191.146174][ T5406] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 191.146182][ T5406] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 191.146184][ T5406] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 191.146186][ T5406] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 191.146189][ T5406] console_emit_next_record (kernel/printk/printk.c:3183) [ 191.146192][ T5406] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 191.146194][ T5406] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.146195][ T5406] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.146196][ T5406] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.146197][ T5406] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 191.146199][ T5406] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 191.146201][ T5406] console_flush_one_record (kernel/printk/printk.c:3268) [ 191.146204][ T5406] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 191.146207][ T5406] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 191.146208][ T5406] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 191.146210][ T5406] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 191.146212][ T5406] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.146213][ T5406] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 191.146214][ T5406] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 191.146216][ T5406] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 191.146218][ T5406] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 191.146220][ T5406] ? vprintk_emit (kernel/printk/printk.c:2478) [ 191.146221][ T5406] vprintk_emit (kernel/printk/printk.c:2479) [ 191.146223][ T5406] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 191.146224][ T5406] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 191.146227][ T5406] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 191.146230][ T5406] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 191.146232][ T5406] _printk (kernel/printk/printk.c:2504) [ 191.146236][ T5406] ? snapshot_read.cold (user.c:?) [ 191.146238][ T5406] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 191.146240][ T5406] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 191.146243][ T5406] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 191.146245][ T5406] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 191.146248][ T5406] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 191.146251][ T5406] ? netdev_notice (net/core/dev.c:13194) [ 191.146253][ T5406] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 191.146255][ T5406] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 191.146257][ T5406] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 191.146259][ T5406] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.146260][ T5406] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.146261][ T5406] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 191.146262][ T5406] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 191.146264][ T5406] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 191.146265][ T5406] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 191.146267][ T5406] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 191.146269][ T5406] ? register_netdev (net/core/dev.c:11618) [ 191.146270][ T5406] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 191.146272][ T5406] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 191.146275][ T5406] ? __kernel_text_address (kernel/extable.c:79) [ 191.146277][ T5406] ? write_profile (profile.c:?) [ 191.146280][ T5406] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 191.146284][ T5406] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 191.146286][ T5406] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 191.146288][ T5406] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 191.146289][ T5406] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.146290][ T5406] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 191.146294][ T5406] ? kasan_save_stack (mm/kasan/common.c:58) [ 191.146296][ T5406] ? kasan_save_stack (mm/kasan/common.c:57) [ 191.146297][ T5406] ? kasan_save_track (mm/kasan/common.c:78) [ 191.146298][ T5406] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 191.146299][ T5406] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 191.146300][ T5406] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 191.146301][ T5406] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 191.146302][ T5406] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 191.146305][ T5406] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 191.146307][ T5406] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 191.146309][ T5406] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 191.146311][ T5406] ? ____sys_sendmsg (net/socket.c:2713) [ 191.146313][ T5406] ? ___sys_sendmsg (net/socket.c:2767) [ 191.146314][ T5406] ? __sys_sendmsg (net/socket.c:2799) [ 191.146316][ T5406] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 191.146318][ T5406] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 191.146321][ T5406] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.146322][ T5406] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 191.146323][ T5406] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.146324][ T5406] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.146325][ T5406] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 191.146327][ T5406] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 191.146328][ T5406] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 191.146330][ T5406] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 191.146331][ T5406] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 191.146332][ T5406] ? nla_get_range_signed (lib/nlattr.c:270) [ 191.146336][ T5406] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.146337][ T5406] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 191.146339][ T5406] rtnl_newlink (net/core/rtnetlink.c:4215) [ 191.146341][ T5406] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.146343][ T5406] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 191.146344][ T5406] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 191.146345][ T5406] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.146347][ T5406] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 191.146350][ T5406] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 191.146351][ T5406] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 191.146352][ T5406] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.146354][ T5406] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 191.146357][ T5406] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 191.146359][ T5406] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.146360][ T5406] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 191.146362][ T5406] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.146363][ T5406] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 191.146364][ T5406] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 191.146366][ T5406] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 191.146368][ T5406] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 191.146369][ T5406] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 191.146372][ T5406] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 191.146373][ T5406] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 191.146375][ T5406] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 191.146376][ T5406] ? netlink_ack (./include/linux/skbuff.h:2718) [ 191.146378][ T5406] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 191.146381][ T5406] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.146382][ T5406] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 191.146384][ T5406] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 191.146386][ T5406] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 191.146388][ T5406] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 191.146390][ T5406] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 191.146392][ T5406] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 191.146394][ T5406] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 191.146396][ T5406] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 191.146397][ T5406] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 191.146401][ T5406] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 191.146403][ T5406] ____sys_sendmsg (net/socket.c:2713) [ 191.146404][ T5406] ? copy_msghdr_from_user (net/socket.c:2650) [ 191.146406][ T5406] ? sock_write_iter (net/socket.c:1269) [ 191.146408][ T5406] ? move_addr_to_kernel (net/socket.c:258) [ 191.146409][ T5406] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 191.146412][ T5406] ___sys_sendmsg (net/socket.c:2767) [ 191.146414][ T5406] ? copy_msghdr_from_user (net/socket.c:2619) [ 191.146419][ T5406] __sys_sendmsg (net/socket.c:2799) [ 191.146421][ T5406] ? __sys_sendmsg_sock (net/socket.c:2780) [ 191.146423][ T5406] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 191.146425][ T5406] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 191.146427][ T5406] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 191.146429][ T5406] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 191.146430][ T5406] RIP: 0033:0x7f99b848254e [ 191.146432][ T5406] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 191.146434][ T5406] RSP: 002b:00007ffc41cd2b40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 191.146438][ T5406] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f99b848254e [ 191.146439][ T5406] RDX: 0000000000000000 RSI: 00007ffc41cd2bf0 RDI: 0000000000000005 [ 191.146440][ T5406] RBP: 00007ffc41cd2b50 R08: 0000000000000000 R09: 0000000000000000 [ 191.146441][ T5406] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ed0 [ 191.146442][ T5406] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc41cd32b0 | [ 192.317486][ T5462] softirqs last disabled at (0): 0x0 | [ 192.317488][ T5462] Preemption disabled at: | [ 192.317489][ T5462] vprintk_emit (kernel/printk/printk.c:2471) | [ 192.317500][ T5462] Tainted: [W]=WARN [ 192.317501][ T5462] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 192.317502][ T5462] Call Trace: [ 192.317504][ T5462] [ 192.317505][ T5462] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 192.317511][ T5462] ? vprintk_emit (kernel/printk/printk.c:2471) [ 192.317512][ T5462] __might_resched.cold (kernel/sched/core.c:9234) [ 192.317516][ T5462] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 192.317518][ T5462] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 192.317522][ T5462] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.317524][ T5462] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 192.317528][ T5462] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 192.317531][ T5462] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 192.317536][ T5462] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 192.317538][ T5462] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 192.317540][ T5462] put_chars (drivers/char/virtio_console.c:1176) [ 192.317542][ T5462] ? __send_to_port (drivers/char/virtio_console.c:654) [ 192.317544][ T5462] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 192.317547][ T5462] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 192.317552][ T5462] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 192.317554][ T5462] ? vsnprintf (lib/vsprintf.c:2900) [ 192.317557][ T5462] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 192.317559][ T5462] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.317560][ T5462] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.317562][ T5462] console_emit_next_record (kernel/printk/printk.c:3183) [ 192.317565][ T5462] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 192.317567][ T5462] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.317568][ T5462] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.317569][ T5462] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.317570][ T5462] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 192.317573][ T5462] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 192.317575][ T5462] console_flush_one_record (kernel/printk/printk.c:3268) [ 192.317577][ T5462] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 192.317580][ T5462] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 192.317582][ T5462] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 192.317589][ T5462] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 192.317591][ T5462] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.317592][ T5462] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 192.317593][ T5462] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 192.317595][ T5462] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 192.317597][ T5462] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 192.317599][ T5462] ? vprintk_emit (kernel/printk/printk.c:2478) [ 192.317600][ T5462] vprintk_emit (kernel/printk/printk.c:2479) [ 192.317602][ T5462] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 192.317603][ T5462] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 192.317605][ T5462] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 192.317608][ T5462] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 192.317610][ T5462] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.317611][ T5462] _printk (kernel/printk/printk.c:2504) [ 192.317615][ T5462] ? snapshot_read.cold (user.c:?) [ 192.317617][ T5462] ? br_multicast_flood (??:?) [ 192.317621][ T5462] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 192.317624][ T5462] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 192.317625][ T5462] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 192.317627][ T5462] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 192.317630][ T5462] br_init_port (net/bridge/br_stp_if.c:39) [ 192.317631][ T5462] new_nbp (net/bridge/br_if.c:449) [ 192.317634][ T5462] br_add_if (net/bridge/br_if.c:592) [ 192.317636][ T5462] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 192.317640][ T5462] do_set_master (net/core/rtnetlink.c:3071) [ 192.317642][ T5462] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 192.317644][ T5462] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 192.317645][ T5462] ? __dev_get_by_name (net/core/dev.c:905) [ 192.317647][ T5462] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 192.317651][ T5462] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 192.317654][ T5462] rtnl_newlink (net/core/rtnetlink.c:4215) [ 192.317656][ T5462] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.317657][ T5462] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 192.317658][ T5462] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 192.317660][ T5462] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.317661][ T5462] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 192.317664][ T5462] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 192.317666][ T5462] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 192.317669][ T5462] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.317670][ T5462] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 192.317672][ T5462] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.317673][ T5462] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 192.317674][ T5462] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 192.317676][ T5462] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 192.317678][ T5462] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 192.317679][ T5462] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 192.317683][ T5462] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 192.317686][ T5462] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 192.317688][ T5462] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 192.317690][ T5462] ? netlink_ack (./include/linux/skbuff.h:2718) [ 192.317691][ T5462] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 192.317694][ T5462] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.317695][ T5462] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 192.317698][ T5462] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 192.317700][ T5462] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 192.317702][ T5462] ? next_uptodate_folio (mm/filemap.c:3747) [ 192.317705][ T5462] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 192.317707][ T5462] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 192.317709][ T5462] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 192.317711][ T5462] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 192.317714][ T5462] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 192.317718][ T5462] ____sys_sendmsg (net/socket.c:2713) [ 192.317719][ T5462] ? copy_msghdr_from_user (net/socket.c:2650) [ 192.317721][ T5462] ? sock_write_iter (net/socket.c:1269) [ 192.317723][ T5462] ? move_addr_to_kernel (net/socket.c:258) [ 192.317725][ T5462] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 192.317728][ T5462] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 192.317730][ T5462] ___sys_sendmsg (net/socket.c:2767) [ 192.317731][ T5462] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 192.317733][ T5462] ? copy_msghdr_from_user (net/socket.c:2619) [ 192.317735][ T5462] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 192.317740][ T5462] __sys_sendmsg (net/socket.c:2799) [ 192.317742][ T5462] ? __sys_sendmsg_sock (net/socket.c:2780) [ 192.317745][ T5462] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.317746][ T5462] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.317747][ T5462] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 192.317750][ T5462] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 192.317752][ T5462] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 192.317754][ T5462] RIP: 0033:0x7fca2a53054e [ 192.317756][ T5462] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 192.317758][ T5462] RSP: 002b:00007ffeda62cb40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 192.317762][ T5462] RAX: ffffffffffffffda RBX: 00007ffeda62d308 RCX: 00007fca2a53054e [ 192.317763][ T5462] RDX: 0000000000000000 RSI: 00007ffeda62cbf0 RDI: 0000000000000005 [ 192.317764][ T5462] RBP: 00007ffeda62cb50 R08: 0000000000000000 R09: 0000000000000000 [ 192.317765][ T5462] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ed1 [ 192.317766][ T5462] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeda62d2c0 | [ 205.621117][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 205.621120][ T69] Preemption disabled at: | [ 205.621121][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 205.621131][ T69] Tainted: [W]=WARN [ 205.621132][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 205.621134][ T69] Workqueue: netns cleanup_net [ 205.621140][ T69] Call Trace: [ 205.621141][ T69] [ 205.621143][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 205.621149][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 205.621150][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 205.621154][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 205.621156][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 205.621159][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 205.621162][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 205.621165][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 205.621169][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 205.621173][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 205.621175][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 205.621180][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 205.621182][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 205.621184][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 205.621187][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 205.621191][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 205.621193][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 205.621196][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 205.621198][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 205.621199][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 205.621201][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 205.621204][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 205.621206][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 205.621207][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 205.621208][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 205.621209][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 205.621211][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 205.621213][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 205.621216][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 205.621219][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 205.621220][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 205.621222][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 205.621224][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 205.621225][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 205.621227][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 205.621228][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 205.621230][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 205.621232][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 205.621233][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 205.621235][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 205.621236][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 205.621238][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 205.621240][ T69] ? kthread (kernel/kthread.c:436) [ 205.621243][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 205.621245][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 205.621248][ T69] _printk (kernel/printk/printk.c:2504) [ 205.621252][ T69] ? snapshot_read.cold (user.c:?) [ 205.621254][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 205.621257][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 205.621259][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 205.621262][ T69] ? netdev_notice (net/core/dev.c:13194) [ 205.621264][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 205.621265][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 205.621267][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 205.621270][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 205.621272][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 205.621273][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 205.621275][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 205.621278][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 205.621282][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 205.621284][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 205.621287][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 205.621289][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 205.621291][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 205.621294][ T69] cleanup_net (net/core/net_namespace.c:706) [ 205.621296][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 205.621298][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 205.621300][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 205.621301][ T69] process_one_work (kernel/workqueue.c:3387) [ 205.621304][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 205.621306][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 205.621308][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 205.621311][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 205.621313][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 205.621315][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 205.621317][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 205.621319][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 205.621321][ T69] kthread (kernel/kthread.c:436) [ 205.621323][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 205.621324][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 205.621326][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 205.621328][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 205.621330][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 205.621333][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 205.621335][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 207.888229][ T5798] softirqs last disabled at (0): 0x0 | [ 207.888231][ T5798] Preemption disabled at: | [ 207.888232][ T5798] vprintk_emit (kernel/printk/printk.c:2471) | [ 207.888243][ T5798] Tainted: [W]=WARN [ 207.888244][ T5798] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 207.888246][ T5798] Call Trace: [ 207.888247][ T5798] [ 207.888249][ T5798] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 207.888255][ T5798] ? vprintk_emit (kernel/printk/printk.c:2471) [ 207.888257][ T5798] __might_resched.cold (kernel/sched/core.c:9234) [ 207.888261][ T5798] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 207.888264][ T5798] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 207.888267][ T5798] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 207.888270][ T5798] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 207.888273][ T5798] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 207.888278][ T5798] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 207.888280][ T5798] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 207.888283][ T5798] put_chars (drivers/char/virtio_console.c:1176) [ 207.888285][ T5798] ? __send_to_port (drivers/char/virtio_console.c:654) [ 207.888286][ T5798] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 207.888289][ T5798] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 207.888291][ T5798] ? pointer (lib/vsprintf.c:2577) [ 207.888295][ T5798] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 207.888300][ T5798] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 207.888302][ T5798] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 207.888304][ T5798] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 207.888306][ T5798] console_emit_next_record (kernel/printk/printk.c:3183) [ 207.888309][ T5798] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 207.888311][ T5798] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 207.888312][ T5798] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 207.888313][ T5798] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 207.888314][ T5798] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 207.888316][ T5798] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 207.888318][ T5798] console_flush_one_record (kernel/printk/printk.c:3268) [ 207.888321][ T5798] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 207.888324][ T5798] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 207.888326][ T5798] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 207.888327][ T5798] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 207.888329][ T5798] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 207.888330][ T5798] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 207.888332][ T5798] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 207.888334][ T5798] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 207.888335][ T5798] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 207.888337][ T5798] ? vprintk_emit (kernel/printk/printk.c:2478) [ 207.888339][ T5798] vprintk_emit (kernel/printk/printk.c:2479) [ 207.888341][ T5798] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 207.888342][ T5798] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 207.888345][ T5798] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 207.888348][ T5798] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 207.888350][ T5798] _printk (kernel/printk/printk.c:2504) [ 207.888353][ T5798] ? snapshot_read.cold (user.c:?) [ 207.888355][ T5798] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 207.888358][ T5798] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 207.888361][ T5798] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 207.888363][ T5798] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 207.888366][ T5798] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 207.888368][ T5798] ? netdev_notice (net/core/dev.c:13194) [ 207.888371][ T5798] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 207.888372][ T5798] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 207.888375][ T5798] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 207.888377][ T5798] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 207.888378][ T5798] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 207.888379][ T5798] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 207.888381][ T5798] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 207.888382][ T5798] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 207.888384][ T5798] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 207.888385][ T5798] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 207.888387][ T5798] ? register_netdev (net/core/dev.c:11618) [ 207.888389][ T5798] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 207.888391][ T5798] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 207.888394][ T5798] ? __kernel_text_address (kernel/extable.c:79) [ 207.888396][ T5798] ? write_profile (profile.c:?) [ 207.888399][ T5798] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 207.888403][ T5798] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 207.888405][ T5798] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 207.888406][ T5798] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 207.888408][ T5798] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 207.888409][ T5798] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 207.888412][ T5798] ? kasan_save_stack (mm/kasan/common.c:58) [ 207.888415][ T5798] ? kasan_save_stack (mm/kasan/common.c:57) [ 207.888416][ T5798] ? kasan_save_track (mm/kasan/common.c:78) [ 207.888417][ T5798] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 207.888418][ T5798] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 207.888419][ T5798] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 207.888420][ T5798] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 207.888422][ T5798] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 207.888425][ T5798] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 207.888426][ T5798] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 207.888428][ T5798] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 207.888430][ T5798] ? ____sys_sendmsg (net/socket.c:2713) [ 207.888432][ T5798] ? ___sys_sendmsg (net/socket.c:2767) [ 207.888433][ T5798] ? __sys_sendmsg (net/socket.c:2799) [ 207.888435][ T5798] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 207.888438][ T5798] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 207.888440][ T5798] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 207.888441][ T5798] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 207.888443][ T5798] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 207.888444][ T5798] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 207.888445][ T5798] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 207.888447][ T5798] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 207.888448][ T5798] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 207.888449][ T5798] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 207.888451][ T5798] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 207.888452][ T5798] ? nla_get_range_signed (lib/nlattr.c:270) [ 207.888456][ T5798] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 207.888457][ T5798] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 207.888459][ T5798] rtnl_newlink (net/core/rtnetlink.c:4215) [ 207.888461][ T5798] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 207.888463][ T5798] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 207.888464][ T5798] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 207.888466][ T5798] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 207.888467][ T5798] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 207.888470][ T5798] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 207.888471][ T5798] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 207.888473][ T5798] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 207.888474][ T5798] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 207.888477][ T5798] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 207.888480][ T5798] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 207.888481][ T5798] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 207.888482][ T5798] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 207.888484][ T5798] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 207.888485][ T5798] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 207.888487][ T5798] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 207.888488][ T5798] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 207.888490][ T5798] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 207.888492][ T5798] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 207.888494][ T5798] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 207.888496][ T5798] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 207.888497][ T5798] ? netlink_ack (./include/linux/skbuff.h:2718) [ 207.888499][ T5798] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 207.888502][ T5798] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 207.888503][ T5798] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 207.888505][ T5798] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 207.888507][ T5798] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 207.888509][ T5798] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 207.888511][ T5798] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 207.888513][ T5798] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 207.888515][ T5798] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 207.888517][ T5798] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 207.888518][ T5798] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 207.888521][ T5798] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 207.888523][ T5798] ____sys_sendmsg (net/socket.c:2713) [ 207.888525][ T5798] ? copy_msghdr_from_user (net/socket.c:2650) [ 207.888527][ T5798] ? sock_write_iter (net/socket.c:1269) [ 207.888528][ T5798] ? move_addr_to_kernel (net/socket.c:258) [ 207.888530][ T5798] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 207.888532][ T5798] ___sys_sendmsg (net/socket.c:2767) [ 207.888534][ T5798] ? copy_msghdr_from_user (net/socket.c:2619) [ 207.888540][ T5798] __sys_sendmsg (net/socket.c:2799) [ 207.888542][ T5798] ? __sys_sendmsg_sock (net/socket.c:2780) [ 207.888544][ T5798] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 207.888546][ T5798] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 207.888548][ T5798] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 207.888550][ T5798] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 207.888551][ T5798] RIP: 0033:0x7f0f39cd654e [ 207.888553][ T5798] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 207.888555][ T5798] RSP: 002b:00007ffc5e56a7e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 207.888559][ T5798] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0f39cd654e [ 207.888560][ T5798] RDX: 0000000000000000 RSI: 00007ffc5e56a890 RDI: 0000000000000005 [ 207.888561][ T5798] RBP: 00007ffc5e56a7f0 R08: 0000000000000000 R09: 0000000000000000 [ 207.888562][ T5798] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ee1 [ 207.888563][ T5798] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5e56af50 | [ 209.042967][ T5872] softirqs last disabled at (0): 0x0 | [ 209.042969][ T5872] Preemption disabled at: | [ 209.042970][ T5872] vprintk_emit (kernel/printk/printk.c:2471) | [ 209.042981][ T5872] Tainted: [W]=WARN [ 209.042982][ T5872] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 209.042984][ T5872] Call Trace: [ 209.042986][ T5872] [ 209.042987][ T5872] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 209.042993][ T5872] ? vprintk_emit (kernel/printk/printk.c:2471) [ 209.042995][ T5872] __might_resched.cold (kernel/sched/core.c:9234) [ 209.042998][ T5872] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 209.043001][ T5872] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 209.043004][ T5872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 209.043006][ T5872] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 209.043009][ T5872] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 209.043012][ T5872] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 209.043018][ T5872] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 209.043020][ T5872] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 209.043022][ T5872] put_chars (drivers/char/virtio_console.c:1176) [ 209.043024][ T5872] ? __send_to_port (drivers/char/virtio_console.c:654) [ 209.043026][ T5872] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 209.043029][ T5872] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 209.043034][ T5872] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 209.043035][ T5872] ? vsnprintf (lib/vsprintf.c:2900) [ 209.043039][ T5872] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 209.043041][ T5872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 209.043042][ T5872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 209.043044][ T5872] console_emit_next_record (kernel/printk/printk.c:3183) [ 209.043046][ T5872] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 209.043049][ T5872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 209.043050][ T5872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 209.043051][ T5872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 209.043052][ T5872] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 209.043054][ T5872] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 209.043056][ T5872] console_flush_one_record (kernel/printk/printk.c:3268) [ 209.043059][ T5872] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 209.043062][ T5872] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 209.043063][ T5872] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 209.043065][ T5872] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 209.043067][ T5872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 209.043068][ T5872] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 209.043070][ T5872] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 209.043071][ T5872] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 209.043073][ T5872] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 209.043075][ T5872] ? vprintk_emit (kernel/printk/printk.c:2478) [ 209.043076][ T5872] vprintk_emit (kernel/printk/printk.c:2479) [ 209.043078][ T5872] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 209.043079][ T5872] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 209.043081][ T5872] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 209.043084][ T5872] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 209.043086][ T5872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 209.043087][ T5872] _printk (kernel/printk/printk.c:2504) [ 209.043090][ T5872] ? snapshot_read.cold (user.c:?) [ 209.043092][ T5872] ? br_multicast_flood (??:?) [ 209.043096][ T5872] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 209.043099][ T5872] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 209.043100][ T5872] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 209.043102][ T5872] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 209.043105][ T5872] br_init_port (net/bridge/br_stp_if.c:39) [ 209.043107][ T5872] new_nbp (net/bridge/br_if.c:449) [ 209.043109][ T5872] br_add_if (net/bridge/br_if.c:592) [ 209.043111][ T5872] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 209.043115][ T5872] do_set_master (net/core/rtnetlink.c:3071) [ 209.043117][ T5872] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 209.043119][ T5872] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 209.043121][ T5872] ? __dev_get_by_name (net/core/dev.c:905) [ 209.043122][ T5872] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 209.043126][ T5872] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 209.043129][ T5872] rtnl_newlink (net/core/rtnetlink.c:4215) [ 209.043131][ T5872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 209.043132][ T5872] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 209.043134][ T5872] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 209.043135][ T5872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 209.043137][ T5872] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 209.043140][ T5872] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 209.043142][ T5872] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 209.043144][ T5872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 209.043145][ T5872] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 209.043147][ T5872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 209.043148][ T5872] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 209.043150][ T5872] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 209.043151][ T5872] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 209.043153][ T5872] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 209.043154][ T5872] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 209.043158][ T5872] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 209.043162][ T5872] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 209.043163][ T5872] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 209.043165][ T5872] ? netlink_ack (./include/linux/skbuff.h:2718) [ 209.043166][ T5872] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 209.043169][ T5872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 209.043170][ T5872] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 209.043172][ T5872] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 209.043175][ T5872] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 209.043177][ T5872] ? next_uptodate_folio (mm/filemap.c:3747) [ 209.043183][ T5872] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 209.043185][ T5872] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 209.043187][ T5872] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 209.043189][ T5872] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 209.043192][ T5872] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 209.043195][ T5872] ____sys_sendmsg (net/socket.c:2713) [ 209.043197][ T5872] ? copy_msghdr_from_user (net/socket.c:2650) [ 209.043199][ T5872] ? sock_write_iter (net/socket.c:1269) [ 209.043200][ T5872] ? move_addr_to_kernel (net/socket.c:258) [ 209.043203][ T5872] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 209.043205][ T5872] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 209.043207][ T5872] ___sys_sendmsg (net/socket.c:2767) [ 209.043209][ T5872] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 209.043211][ T5872] ? copy_msghdr_from_user (net/socket.c:2619) [ 209.043212][ T5872] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 209.043217][ T5872] __sys_sendmsg (net/socket.c:2799) [ 209.043219][ T5872] ? __sys_sendmsg_sock (net/socket.c:2780) [ 209.043222][ T5872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 209.043223][ T5872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 209.043225][ T5872] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 209.043227][ T5872] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 209.043229][ T5872] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 209.043232][ T5872] RIP: 0033:0x7f07de00354e [ 209.043234][ T5872] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 209.043236][ T5872] RSP: 002b:00007ffff7d75fd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 209.043239][ T5872] RAX: ffffffffffffffda RBX: 00007ffff7d76798 RCX: 00007f07de00354e [ 209.043241][ T5872] RDX: 0000000000000000 RSI: 00007ffff7d76080 RDI: 0000000000000005 [ 209.043242][ T5872] RBP: 00007ffff7d75fe0 R08: 0000000000000000 R09: 0000000000000000 [ 209.043243][ T5872] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ee2 [ 209.043244][ T5872] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff7d76750 | [ 210.255250][ T5939] softirqs last disabled at (0): 0x0 | [ 210.255251][ T5939] Preemption disabled at: | [ 210.255252][ T5939] vprintk_emit (kernel/printk/printk.c:2471) | [ 210.255263][ T5939] Tainted: [W]=WARN [ 210.255264][ T5939] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 210.255266][ T5939] Call Trace: [ 210.255267][ T5939] [ 210.255269][ T5939] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 210.255275][ T5939] ? vprintk_emit (kernel/printk/printk.c:2471) [ 210.255276][ T5939] __might_resched.cold (kernel/sched/core.c:9234) [ 210.255280][ T5939] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 210.255283][ T5939] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 210.255286][ T5939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 210.255288][ T5939] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 210.255291][ T5939] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 210.255294][ T5939] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 210.255300][ T5939] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 210.255301][ T5939] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 210.255304][ T5939] put_chars (drivers/char/virtio_console.c:1176) [ 210.255306][ T5939] ? __send_to_port (drivers/char/virtio_console.c:654) [ 210.255308][ T5939] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 210.255311][ T5939] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 210.255316][ T5939] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 210.255318][ T5939] ? vsnprintf (lib/vsprintf.c:2900) [ 210.255321][ T5939] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 210.255323][ T5939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 210.255324][ T5939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 210.255326][ T5939] console_emit_next_record (kernel/printk/printk.c:3183) [ 210.255329][ T5939] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 210.255331][ T5939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 210.255332][ T5939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 210.255333][ T5939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 210.255334][ T5939] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 210.255337][ T5939] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 210.255338][ T5939] console_flush_one_record (kernel/printk/printk.c:3268) [ 210.255341][ T5939] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 210.255344][ T5939] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 210.255345][ T5939] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 210.255347][ T5939] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 210.255349][ T5939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 210.255350][ T5939] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 210.255351][ T5939] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 210.255353][ T5939] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 210.255354][ T5939] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 210.255357][ T5939] ? vprintk_emit (kernel/printk/printk.c:2478) [ 210.255358][ T5939] vprintk_emit (kernel/printk/printk.c:2479) [ 210.255360][ T5939] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 210.255361][ T5939] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 210.255363][ T5939] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 210.255366][ T5939] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 210.255368][ T5939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 210.255370][ T5939] _printk (kernel/printk/printk.c:2504) [ 210.255373][ T5939] ? snapshot_read.cold (user.c:?) [ 210.255375][ T5939] ? br_multicast_flood (??:?) [ 210.255378][ T5939] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 210.255381][ T5939] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 210.255383][ T5939] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 210.255384][ T5939] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 210.255387][ T5939] br_init_port (net/bridge/br_stp_if.c:39) [ 210.255389][ T5939] new_nbp (net/bridge/br_if.c:449) [ 210.255391][ T5939] br_add_if (net/bridge/br_if.c:592) [ 210.255393][ T5939] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 210.255397][ T5939] do_set_master (net/core/rtnetlink.c:3071) [ 210.255399][ T5939] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 210.255401][ T5939] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 210.255403][ T5939] ? __dev_get_by_name (net/core/dev.c:905) [ 210.255404][ T5939] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 210.255408][ T5939] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 210.255411][ T5939] rtnl_newlink (net/core/rtnetlink.c:4215) [ 210.255413][ T5939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 210.255414][ T5939] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 210.255415][ T5939] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 210.255417][ T5939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 210.255418][ T5939] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 210.255421][ T5939] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 210.255423][ T5939] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 210.255426][ T5939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 210.255427][ T5939] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 210.255428][ T5939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 210.255430][ T5939] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 210.255431][ T5939] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 210.255433][ T5939] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 210.255434][ T5939] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 210.255436][ T5939] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 210.255439][ T5939] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 210.255443][ T5939] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 210.255444][ T5939] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 210.255446][ T5939] ? netlink_ack (./include/linux/skbuff.h:2718) [ 210.255448][ T5939] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 210.255450][ T5939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 210.255452][ T5939] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 210.255454][ T5939] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 210.255456][ T5939] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 210.255458][ T5939] ? next_uptodate_folio (mm/filemap.c:3747) [ 210.255461][ T5939] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 210.255463][ T5939] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 210.255465][ T5939] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 210.255467][ T5939] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 210.255470][ T5939] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 210.255473][ T5939] ____sys_sendmsg (net/socket.c:2713) [ 210.255475][ T5939] ? copy_msghdr_from_user (net/socket.c:2650) [ 210.255477][ T5939] ? sock_write_iter (net/socket.c:1269) [ 210.255478][ T5939] ? move_addr_to_kernel (net/socket.c:258) [ 210.255481][ T5939] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 210.255483][ T5939] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 210.255485][ T5939] ___sys_sendmsg (net/socket.c:2767) [ 210.255487][ T5939] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 210.255489][ T5939] ? copy_msghdr_from_user (net/socket.c:2619) [ 210.255490][ T5939] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 210.255495][ T5939] __sys_sendmsg (net/socket.c:2799) [ 210.255497][ T5939] ? __sys_sendmsg_sock (net/socket.c:2780) [ 210.255500][ T5939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 210.255501][ T5939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 210.255503][ T5939] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 210.255505][ T5939] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 210.255507][ T5939] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 210.255509][ T5939] RIP: 0033:0x7fe6b03a954e [ 210.255512][ T5939] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 210.255514][ T5939] RSP: 002b:00007fff59eb3990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 210.255517][ T5939] RAX: ffffffffffffffda RBX: 00007fff59eb4158 RCX: 00007fe6b03a954e [ 210.255519][ T5939] RDX: 0000000000000000 RSI: 00007fff59eb3a40 RDI: 0000000000000005 [ 210.255520][ T5939] RBP: 00007fff59eb39a0 R08: 0000000000000000 R09: 0000000000000000 [ 210.255521][ T5939] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ee3 [ 210.255522][ T5939] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff59eb4110 | [ 304.731047][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 304.731050][ T69] Preemption disabled at: | [ 304.731050][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 304.731061][ T69] Tainted: [W]=WARN [ 304.731062][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 304.731064][ T69] Workqueue: netns cleanup_net [ 304.731070][ T69] Call Trace: [ 304.731072][ T69] [ 304.731074][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 304.731079][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 304.731081][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 304.731084][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 304.731087][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 304.731090][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.731092][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 304.731095][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 304.731098][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 304.731103][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 304.731105][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 304.731107][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 304.731109][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 304.731111][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 304.731114][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 304.731119][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 304.731120][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 304.731123][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 304.731124][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.731125][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.731127][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 304.731130][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 304.731132][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.731133][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.731134][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.731135][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 304.731138][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 304.731140][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 304.731142][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 304.731145][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 304.731147][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 304.731149][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 304.731150][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.731151][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 304.731153][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 304.731155][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 304.731156][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 304.731158][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 304.731160][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 304.731162][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 304.731163][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 304.731165][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 304.731167][ T69] ? kthread (kernel/kthread.c:436) [ 304.731170][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 304.731173][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 304.731175][ T69] _printk (kernel/printk/printk.c:2504) [ 304.731181][ T69] ? snapshot_read.cold (user.c:?) [ 304.731184][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 304.731187][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 304.731189][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 304.731192][ T69] ? netdev_notice (net/core/dev.c:13194) [ 304.731194][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.731195][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 304.731197][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 304.731200][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 304.731201][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 304.731202][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 304.731205][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 304.731208][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 304.731212][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 304.731214][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 304.731216][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 304.731219][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 304.731221][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 304.731223][ T69] cleanup_net (net/core/net_namespace.c:706) [ 304.731225][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 304.731227][ T69] ? update_load_avg (kernel/sched/fair.c:5864) [ 304.731230][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 304.731231][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 304.731233][ T69] process_one_work (kernel/workqueue.c:3387) [ 304.731236][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 304.731238][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 304.731240][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 304.731243][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 304.731245][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 304.731247][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 304.731249][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 304.731251][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 304.731252][ T69] kthread (kernel/kthread.c:436) [ 304.731254][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 304.731256][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 304.731258][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 304.731260][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 304.731262][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 304.731265][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 304.731267][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 306.934047][ T6613] softirqs last disabled at (0): 0x0 | [ 306.934049][ T6613] Preemption disabled at: | [ 306.934050][ T6613] vprintk_emit (kernel/printk/printk.c:2471) | [ 306.934060][ T6613] Tainted: [W]=WARN [ 306.934061][ T6613] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 306.934063][ T6613] Call Trace: [ 306.934064][ T6613] [ 306.934066][ T6613] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 306.934072][ T6613] ? vprintk_emit (kernel/printk/printk.c:2471) [ 306.934073][ T6613] __might_resched.cold (kernel/sched/core.c:9234) [ 306.934077][ T6613] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 306.934081][ T6613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.934083][ T6613] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 306.934086][ T6613] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 306.934089][ T6613] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 306.934094][ T6613] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 306.934096][ T6613] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 306.934099][ T6613] put_chars (drivers/char/virtio_console.c:1176) [ 306.934101][ T6613] ? __send_to_port (drivers/char/virtio_console.c:654) [ 306.934102][ T6613] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 306.934104][ T6613] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 306.934106][ T6613] ? pointer (lib/vsprintf.c:2577) [ 306.934110][ T6613] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 306.934115][ T6613] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 306.934117][ T6613] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 306.934119][ T6613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 306.934121][ T6613] console_emit_next_record (kernel/printk/printk.c:3183) [ 306.934124][ T6613] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 306.934126][ T6613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.934128][ T6613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.934129][ T6613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.934130][ T6613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 306.934132][ T6613] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 306.934134][ T6613] console_flush_one_record (kernel/printk/printk.c:3268) [ 306.934136][ T6613] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 306.934139][ T6613] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 306.934141][ T6613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 306.934143][ T6613] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 306.934145][ T6613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.934146][ T6613] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 306.934147][ T6613] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 306.934149][ T6613] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 306.934151][ T6613] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 306.934153][ T6613] ? vprintk_emit (kernel/printk/printk.c:2478) [ 306.934154][ T6613] vprintk_emit (kernel/printk/printk.c:2479) [ 306.934156][ T6613] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 306.934157][ T6613] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 306.934160][ T6613] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 306.934163][ T6613] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 306.934165][ T6613] _printk (kernel/printk/printk.c:2504) [ 306.934168][ T6613] ? snapshot_read.cold (user.c:?) [ 306.934170][ T6613] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 306.934173][ T6613] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 306.934176][ T6613] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 306.934180][ T6613] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 306.934183][ T6613] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 306.934186][ T6613] ? netdev_notice (net/core/dev.c:13194) [ 306.934188][ T6613] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 306.934189][ T6613] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 306.934192][ T6613] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 306.934194][ T6613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.934195][ T6613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.934196][ T6613] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 306.934198][ T6613] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 306.934199][ T6613] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 306.934201][ T6613] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 306.934202][ T6613] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 306.934204][ T6613] ? register_netdev (net/core/dev.c:11618) [ 306.934205][ T6613] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 306.934207][ T6613] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 306.934210][ T6613] ? __kernel_text_address (kernel/extable.c:79) [ 306.934212][ T6613] ? write_profile (profile.c:?) [ 306.934215][ T6613] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 306.934219][ T6613] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 306.934221][ T6613] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 306.934222][ T6613] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 306.934224][ T6613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.934225][ T6613] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 306.934228][ T6613] ? kasan_save_stack (mm/kasan/common.c:58) [ 306.934230][ T6613] ? kasan_save_stack (mm/kasan/common.c:57) [ 306.934231][ T6613] ? kasan_save_track (mm/kasan/common.c:78) [ 306.934232][ T6613] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 306.934234][ T6613] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 306.934235][ T6613] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 306.934236][ T6613] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 306.934237][ T6613] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 306.934241][ T6613] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 306.934242][ T6613] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 306.934244][ T6613] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 306.934247][ T6613] ? ____sys_sendmsg (net/socket.c:2713) [ 306.934248][ T6613] ? ___sys_sendmsg (net/socket.c:2767) [ 306.934250][ T6613] ? __sys_sendmsg (net/socket.c:2799) [ 306.934252][ T6613] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 306.934254][ T6613] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 306.934257][ T6613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.934258][ T6613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 306.934259][ T6613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.934260][ T6613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.934261][ T6613] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 306.934263][ T6613] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 306.934265][ T6613] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 306.934266][ T6613] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 306.934267][ T6613] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 306.934269][ T6613] ? nla_get_range_signed (lib/nlattr.c:270) [ 306.934272][ T6613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.934273][ T6613] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 306.934275][ T6613] rtnl_newlink (net/core/rtnetlink.c:4215) [ 306.934277][ T6613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.934279][ T6613] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 306.934280][ T6613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 306.934281][ T6613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.934283][ T6613] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 306.934286][ T6613] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 306.934287][ T6613] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 306.934288][ T6613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.934290][ T6613] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 306.934293][ T6613] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 306.934295][ T6613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.934297][ T6613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 306.934298][ T6613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.934299][ T6613] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 306.934301][ T6613] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 306.934303][ T6613] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 306.934304][ T6613] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 306.934306][ T6613] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 306.934308][ T6613] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 306.934310][ T6613] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 306.934311][ T6613] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 306.934313][ T6613] ? netlink_ack (./include/linux/skbuff.h:2718) [ 306.934315][ T6613] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 306.934318][ T6613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.934319][ T6613] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 306.934321][ T6613] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 306.934323][ T6613] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 306.934325][ T6613] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 306.934327][ T6613] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 306.934329][ T6613] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 306.934331][ T6613] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 306.934333][ T6613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 306.934334][ T6613] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 306.934338][ T6613] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 306.934340][ T6613] ____sys_sendmsg (net/socket.c:2713) [ 306.934341][ T6613] ? copy_msghdr_from_user (net/socket.c:2650) [ 306.934343][ T6613] ? sock_write_iter (net/socket.c:1269) [ 306.934345][ T6613] ? move_addr_to_kernel (net/socket.c:258) [ 306.934346][ T6613] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 306.934349][ T6613] ___sys_sendmsg (net/socket.c:2767) [ 306.934351][ T6613] ? copy_msghdr_from_user (net/socket.c:2619) [ 306.934356][ T6613] __sys_sendmsg (net/socket.c:2799) [ 306.934358][ T6613] ? __sys_sendmsg_sock (net/socket.c:2780) [ 306.934361][ T6613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 306.934362][ T6613] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 306.934364][ T6613] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 306.934366][ T6613] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 306.934368][ T6613] RIP: 0033:0x7fdb664ec54e [ 306.934370][ T6613] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 306.934372][ T6613] RSP: 002b:00007ffc7cc9f7d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 306.934375][ T6613] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fdb664ec54e [ 306.934377][ T6613] RDX: 0000000000000000 RSI: 00007ffc7cc9f880 RDI: 0000000000000005 [ 306.934377][ T6613] RBP: 00007ffc7cc9f7e0 R08: 0000000000000000 R09: 0000000000000000 [ 306.934378][ T6613] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918f44 [ 306.934379][ T6613] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7cc9ff40 | [ 308.088154][ T6688] softirqs last disabled at (0): 0x0 | [ 308.088156][ T6688] Preemption disabled at: | [ 308.088156][ T6688] vprintk_emit (kernel/printk/printk.c:2471) | [ 308.088167][ T6688] Tainted: [W]=WARN [ 308.088168][ T6688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 308.088170][ T6688] Call Trace: [ 308.088172][ T6688] [ 308.088173][ T6688] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 308.088181][ T6688] ? vprintk_emit (kernel/printk/printk.c:2471) [ 308.088182][ T6688] __might_resched.cold (kernel/sched/core.c:9234) [ 308.088186][ T6688] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 308.088188][ T6688] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 308.088192][ T6688] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 308.088194][ T6688] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 308.088197][ T6688] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 308.088200][ T6688] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 308.088206][ T6688] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 308.088208][ T6688] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 308.088211][ T6688] put_chars (drivers/char/virtio_console.c:1176) [ 308.088213][ T6688] ? __send_to_port (drivers/char/virtio_console.c:654) [ 308.088214][ T6688] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 308.088217][ T6688] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 308.088222][ T6688] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 308.088224][ T6688] ? vsnprintf (lib/vsprintf.c:2900) [ 308.088227][ T6688] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 308.088229][ T6688] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 308.088230][ T6688] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 308.088232][ T6688] console_emit_next_record (kernel/printk/printk.c:3183) [ 308.088235][ T6688] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 308.088237][ T6688] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 308.088238][ T6688] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 308.088239][ T6688] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 308.088240][ T6688] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 308.088243][ T6688] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 308.088245][ T6688] console_flush_one_record (kernel/printk/printk.c:3268) [ 308.088247][ T6688] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 308.088250][ T6688] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 308.088252][ T6688] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 308.088254][ T6688] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 308.088255][ T6688] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 308.088257][ T6688] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 308.088258][ T6688] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 308.088260][ T6688] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 308.088261][ T6688] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 308.088264][ T6688] ? vprintk_emit (kernel/printk/printk.c:2478) [ 308.088265][ T6688] vprintk_emit (kernel/printk/printk.c:2479) [ 308.088267][ T6688] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 308.088268][ T6688] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 308.088270][ T6688] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 308.088273][ T6688] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 308.088275][ T6688] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 308.088276][ T6688] _printk (kernel/printk/printk.c:2504) [ 308.088279][ T6688] ? snapshot_read.cold (user.c:?) [ 308.088282][ T6688] ? br_multicast_flood (??:?) [ 308.088285][ T6688] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 308.088288][ T6688] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 308.088289][ T6688] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 308.088291][ T6688] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 308.088294][ T6688] br_init_port (net/bridge/br_stp_if.c:39) [ 308.088296][ T6688] new_nbp (net/bridge/br_if.c:449) [ 308.088298][ T6688] br_add_if (net/bridge/br_if.c:592) [ 308.088300][ T6688] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 308.088305][ T6688] do_set_master (net/core/rtnetlink.c:3071) [ 308.088307][ T6688] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 308.088309][ T6688] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 308.088310][ T6688] ? __dev_get_by_name (net/core/dev.c:905) [ 308.088312][ T6688] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 308.088316][ T6688] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 308.088318][ T6688] rtnl_newlink (net/core/rtnetlink.c:4215) [ 308.088320][ T6688] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 308.088322][ T6688] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 308.088323][ T6688] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 308.088325][ T6688] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 308.088326][ T6688] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 308.088329][ T6688] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 308.088331][ T6688] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 308.088333][ T6688] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 308.088334][ T6688] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 308.088336][ T6688] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 308.088337][ T6688] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 308.088339][ T6688] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 308.088341][ T6688] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 308.088342][ T6688] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 308.088344][ T6688] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 308.088347][ T6688] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 308.088351][ T6688] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 308.088352][ T6688] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 308.088354][ T6688] ? netlink_ack (./include/linux/skbuff.h:2718) [ 308.088356][ T6688] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 308.088359][ T6688] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 308.088360][ T6688] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 308.088362][ T6688] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 308.088365][ T6688] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 308.088367][ T6688] ? next_uptodate_folio (mm/filemap.c:3747) [ 308.088370][ T6688] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 308.088372][ T6688] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 308.088374][ T6688] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 308.088376][ T6688] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 308.088379][ T6688] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 308.088382][ T6688] ____sys_sendmsg (net/socket.c:2713) [ 308.088384][ T6688] ? copy_msghdr_from_user (net/socket.c:2650) [ 308.088386][ T6688] ? sock_write_iter (net/socket.c:1269) [ 308.088388][ T6688] ? move_addr_to_kernel (net/socket.c:258) [ 308.088390][ T6688] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 308.088393][ T6688] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 308.088395][ T6688] ___sys_sendmsg (net/socket.c:2767) [ 308.088396][ T6688] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 308.088398][ T6688] ? copy_msghdr_from_user (net/socket.c:2619) [ 308.088400][ T6688] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 308.088405][ T6688] __sys_sendmsg (net/socket.c:2799) [ 308.088407][ T6688] ? __sys_sendmsg_sock (net/socket.c:2780) [ 308.088410][ T6688] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 308.088411][ T6688] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 308.088413][ T6688] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 308.088415][ T6688] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 308.088417][ T6688] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 308.088419][ T6688] RIP: 0033:0x7fd6b4da454e [ 308.088421][ T6688] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 308.088423][ T6688] RSP: 002b:00007ffd2876f400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 308.088427][ T6688] RAX: ffffffffffffffda RBX: 00007ffd2876fbc8 RCX: 00007fd6b4da454e [ 308.088429][ T6688] RDX: 0000000000000000 RSI: 00007ffd2876f4b0 RDI: 0000000000000005 [ 308.088430][ T6688] RBP: 00007ffd2876f410 R08: 0000000000000000 R09: 0000000000000000 [ 308.088430][ T6688] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918f45 [ 308.088432][ T6688] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2876fb80 | [ 309.260754][ T6747] softirqs last disabled at (0): 0x0 | [ 309.260756][ T6747] Preemption disabled at: | [ 309.260756][ T6747] vprintk_emit (kernel/printk/printk.c:2471) | [ 309.260767][ T6747] Tainted: [W]=WARN [ 309.260768][ T6747] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 309.260770][ T6747] Call Trace: [ 309.260771][ T6747] [ 309.260772][ T6747] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 309.260779][ T6747] ? vprintk_emit (kernel/printk/printk.c:2471) [ 309.260780][ T6747] __might_resched.cold (kernel/sched/core.c:9234) [ 309.260784][ T6747] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 309.260786][ T6747] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 309.260790][ T6747] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.260793][ T6747] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 309.260796][ T6747] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 309.260799][ T6747] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 309.260804][ T6747] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 309.260806][ T6747] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 309.260809][ T6747] put_chars (drivers/char/virtio_console.c:1176) [ 309.260810][ T6747] ? __send_to_port (drivers/char/virtio_console.c:654) [ 309.260812][ T6747] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 309.260815][ T6747] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 309.260820][ T6747] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 309.260822][ T6747] ? vsnprintf (lib/vsprintf.c:2900) [ 309.260825][ T6747] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 309.260827][ T6747] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.260828][ T6747] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.260830][ T6747] console_emit_next_record (kernel/printk/printk.c:3183) [ 309.260833][ T6747] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 309.260835][ T6747] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.260837][ T6747] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.260838][ T6747] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.260839][ T6747] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 309.260841][ T6747] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 309.260843][ T6747] console_flush_one_record (kernel/printk/printk.c:3268) [ 309.260846][ T6747] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 309.260849][ T6747] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 309.260851][ T6747] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 309.260852][ T6747] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 309.260854][ T6747] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.260855][ T6747] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 309.260857][ T6747] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 309.260858][ T6747] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 309.260860][ T6747] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 309.260862][ T6747] ? vprintk_emit (kernel/printk/printk.c:2478) [ 309.260863][ T6747] vprintk_emit (kernel/printk/printk.c:2479) [ 309.260866][ T6747] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 309.260867][ T6747] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 309.260869][ T6747] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 309.260872][ T6747] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 309.260873][ T6747] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.260875][ T6747] _printk (kernel/printk/printk.c:2504) [ 309.260878][ T6747] ? snapshot_read.cold (user.c:?) [ 309.260880][ T6747] ? br_multicast_flood (??:?) [ 309.260884][ T6747] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 309.260887][ T6747] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 309.260888][ T6747] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 309.260890][ T6747] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 309.260893][ T6747] br_init_port (net/bridge/br_stp_if.c:39) [ 309.260895][ T6747] new_nbp (net/bridge/br_if.c:449) [ 309.260897][ T6747] br_add_if (net/bridge/br_if.c:592) [ 309.260899][ T6747] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 309.260904][ T6747] do_set_master (net/core/rtnetlink.c:3071) [ 309.260906][ T6747] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 309.260908][ T6747] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 309.260909][ T6747] ? __dev_get_by_name (net/core/dev.c:905) [ 309.260911][ T6747] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 309.260915][ T6747] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 309.260917][ T6747] rtnl_newlink (net/core/rtnetlink.c:4215) [ 309.260920][ T6747] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.260921][ T6747] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 309.260922][ T6747] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 309.260924][ T6747] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.260925][ T6747] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 309.260928][ T6747] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 309.260930][ T6747] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 309.260932][ T6747] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.260934][ T6747] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 309.260935][ T6747] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.260937][ T6747] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 309.260938][ T6747] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 309.260940][ T6747] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 309.260941][ T6747] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 309.260943][ T6747] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 309.260947][ T6747] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 309.260950][ T6747] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 309.260951][ T6747] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 309.260953][ T6747] ? netlink_ack (./include/linux/skbuff.h:2718) [ 309.260955][ T6747] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 309.260958][ T6747] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.260959][ T6747] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 309.260961][ T6747] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 309.260964][ T6747] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 309.260966][ T6747] ? next_uptodate_folio (mm/filemap.c:3747) [ 309.260969][ T6747] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 309.260971][ T6747] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 309.260973][ T6747] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 309.260975][ T6747] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 309.260979][ T6747] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 309.260982][ T6747] ____sys_sendmsg (net/socket.c:2713) [ 309.260984][ T6747] ? copy_msghdr_from_user (net/socket.c:2650) [ 309.260986][ T6747] ? sock_write_iter (net/socket.c:1269) [ 309.260987][ T6747] ? move_addr_to_kernel (net/socket.c:258) [ 309.260989][ T6747] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 309.260992][ T6747] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 309.260994][ T6747] ___sys_sendmsg (net/socket.c:2767) [ 309.260996][ T6747] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 309.260998][ T6747] ? copy_msghdr_from_user (net/socket.c:2619) [ 309.260999][ T6747] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 309.261004][ T6747] __sys_sendmsg (net/socket.c:2799) [ 309.261006][ T6747] ? __sys_sendmsg_sock (net/socket.c:2780) [ 309.261009][ T6747] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.261010][ T6747] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 309.261012][ T6747] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 309.261019][ T6747] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 309.261022][ T6747] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 309.261024][ T6747] RIP: 0033:0x7f06744d154e [ 309.261026][ T6747] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 309.261028][ T6747] RSP: 002b:00007ffdd06b9770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 309.261031][ T6747] RAX: ffffffffffffffda RBX: 00007ffdd06b9f38 RCX: 00007f06744d154e [ 309.261033][ T6747] RDX: 0000000000000000 RSI: 00007ffdd06b9820 RDI: 0000000000000005 [ 309.261034][ T6747] RBP: 00007ffdd06b9780 R08: 0000000000000000 R09: 0000000000000000 [ 309.261035][ T6747] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918f46 [ 309.261036][ T6747] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd06b9ef0 | [ 322.953255][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 322.953258][ T69] Preemption disabled at: | [ 322.953258][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 322.953269][ T69] Tainted: [W]=WARN [ 322.953270][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 322.953271][ T69] Workqueue: netns cleanup_net [ 322.953277][ T69] Call Trace: [ 322.953279][ T69] [ 322.953281][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 322.953287][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 322.953288][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 322.953292][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 322.953294][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 322.953297][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 322.953300][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 322.953303][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 322.953306][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 322.953311][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 322.953313][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 322.953316][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 322.953317][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 322.953319][ T69] ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 22)) [ 322.953321][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 322.953324][ T69] ? __schedule (kernel/sched/core.c:7277) [ 322.953326][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 322.953331][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 322.953333][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 322.953334][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 322.953336][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 322.953337][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 322.953339][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 322.953342][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 322.953344][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 322.953345][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 322.953348][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 322.953349][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 322.953352][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 322.953355][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 322.953357][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 322.953358][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 322.953360][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 322.953361][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 322.953363][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 322.953365][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 322.953366][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 322.953368][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 322.953370][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 322.953371][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 322.953373][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 322.953374][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 322.953377][ T69] ? kthread (kernel/kthread.c:436) [ 322.953380][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 322.953383][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 322.953386][ T69] _printk (kernel/printk/printk.c:2504) [ 322.953389][ T69] ? snapshot_read.cold (user.c:?) [ 322.953391][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 322.953395][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 322.953397][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 322.953399][ T69] ? netdev_notice (net/core/dev.c:13194) [ 322.953401][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 322.953402][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 322.953404][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 322.953407][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 322.953408][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 322.953409][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 322.953412][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 322.953414][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 322.953418][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 322.953420][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 322.953423][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 322.953425][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 322.953427][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 322.953430][ T69] cleanup_net (net/core/net_namespace.c:706) [ 322.953432][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 322.953434][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 322.953435][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 322.953437][ T69] process_one_work (kernel/workqueue.c:3387) [ 322.953440][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 322.953442][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 322.953444][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 322.953446][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 322.953449][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 322.953451][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 322.953452][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 322.953454][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 322.953456][ T69] kthread (kernel/kthread.c:436) [ 322.953458][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 322.953459][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 322.953461][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 322.953463][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 322.953465][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 322.953468][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 322.953470][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 324.881258][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 324.881261][ T69] Preemption disabled at: | [ 324.881262][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 324.881272][ T69] Tainted: [W]=WARN [ 324.881273][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 324.881275][ T69] Workqueue: netns cleanup_net [ 324.881281][ T69] Call Trace: [ 324.881283][ T69] [ 324.881284][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 324.881290][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 324.881292][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 324.881295][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 324.881298][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 324.881301][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 324.881303][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 324.881306][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 324.881310][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 324.881315][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 324.881316][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 324.881319][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 324.881321][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 324.881323][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 324.881326][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 324.881331][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 324.881333][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 324.881335][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 324.881337][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 324.881338][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 324.881340][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 324.881343][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 324.881345][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 324.881346][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 324.881347][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 324.881348][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 324.881351][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 324.881353][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 324.881355][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 324.881358][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 324.881360][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 324.881362][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 324.881364][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 324.881365][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 324.881367][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 324.881368][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 324.881370][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 324.881372][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 324.881374][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 324.881375][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 324.881377][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 324.881378][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 324.881381][ T69] ? kthread (kernel/kthread.c:436) [ 324.881383][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 324.881386][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 324.881389][ T69] _printk (kernel/printk/printk.c:2504) [ 324.881392][ T69] ? snapshot_read.cold (user.c:?) [ 324.881394][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 324.881398][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 324.881400][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 324.881402][ T69] ? netdev_notice (net/core/dev.c:13194) [ 324.881404][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 324.881406][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 324.881407][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 324.881410][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 324.881411][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 324.881413][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 324.881415][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 324.881418][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 324.881422][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 324.881424][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 324.881427][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 324.881429][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 324.881431][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 324.881434][ T69] cleanup_net (net/core/net_namespace.c:706) [ 324.881436][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 324.881437][ T69] ? update_load_avg (kernel/sched/fair.c:5864) [ 324.881440][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 324.881442][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 324.881443][ T69] process_one_work (kernel/workqueue.c:3387) [ 324.881447][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 324.881449][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 324.881451][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 324.881454][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 324.881456][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 324.881458][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 324.881460][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 324.881462][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 324.881463][ T69] kthread (kernel/kthread.c:436) [ 324.881465][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 324.881467][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 324.881469][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 324.881470][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 324.881472][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 324.881476][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 324.881477][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 326.392754][ T7188] softirqs last disabled at (0): 0x0 | [ 326.392756][ T7188] Preemption disabled at: | [ 326.392756][ T7188] vprintk_emit (kernel/printk/printk.c:2471) | [ 326.392767][ T7188] Tainted: [W]=WARN [ 326.392768][ T7188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 326.392770][ T7188] Call Trace: [ 326.392771][ T7188] [ 326.392773][ T7188] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 326.392778][ T7188] ? vprintk_emit (kernel/printk/printk.c:2471) [ 326.392780][ T7188] __might_resched.cold (kernel/sched/core.c:9234) [ 326.392784][ T7188] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 326.392786][ T7188] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 326.392789][ T7188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.392792][ T7188] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 326.392794][ T7188] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 326.392797][ T7188] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 326.392802][ T7188] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 326.392804][ T7188] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 326.392807][ T7188] put_chars (drivers/char/virtio_console.c:1176) [ 326.392809][ T7188] ? __send_to_port (drivers/char/virtio_console.c:654) [ 326.392811][ T7188] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 326.392813][ T7188] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 326.392818][ T7188] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 326.392820][ T7188] ? vsnprintf (lib/vsprintf.c:2900) [ 326.392823][ T7188] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 326.392825][ T7188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.392826][ T7188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.392828][ T7188] console_emit_next_record (kernel/printk/printk.c:3183) [ 326.392831][ T7188] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 326.392833][ T7188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.392834][ T7188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.392835][ T7188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.392836][ T7188] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 326.392839][ T7188] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 326.392841][ T7188] console_flush_one_record (kernel/printk/printk.c:3268) [ 326.392844][ T7188] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 326.392847][ T7188] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 326.392848][ T7188] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 326.392850][ T7188] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 326.392852][ T7188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.392853][ T7188] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 326.392855][ T7188] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 326.392856][ T7188] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 326.392858][ T7188] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 326.392860][ T7188] ? vprintk_emit (kernel/printk/printk.c:2478) [ 326.392861][ T7188] vprintk_emit (kernel/printk/printk.c:2479) [ 326.392863][ T7188] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 326.392864][ T7188] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 326.392866][ T7188] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 326.392869][ T7188] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 326.392871][ T7188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.392872][ T7188] _printk (kernel/printk/printk.c:2504) [ 326.392876][ T7188] ? snapshot_read.cold (user.c:?) [ 326.392878][ T7188] ? br_multicast_flood (??:?) [ 326.392881][ T7188] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 326.392884][ T7188] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 326.392886][ T7188] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 326.392888][ T7188] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 326.392890][ T7188] br_init_port (net/bridge/br_stp_if.c:39) [ 326.392892][ T7188] new_nbp (net/bridge/br_if.c:449) [ 326.392895][ T7188] br_add_if (net/bridge/br_if.c:592) [ 326.392896][ T7188] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 326.392901][ T7188] do_set_master (net/core/rtnetlink.c:3071) [ 326.392903][ T7188] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 326.392905][ T7188] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 326.392906][ T7188] ? __dev_get_by_name (net/core/dev.c:905) [ 326.392908][ T7188] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 326.392912][ T7188] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 326.392914][ T7188] rtnl_newlink (net/core/rtnetlink.c:4215) [ 326.392917][ T7188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.392918][ T7188] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 326.392919][ T7188] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 326.392921][ T7188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.392922][ T7188] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 326.392925][ T7188] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 326.392927][ T7188] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 326.392929][ T7188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.392931][ T7188] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 326.392932][ T7188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.392933][ T7188] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 326.392935][ T7188] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 326.392937][ T7188] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 326.392938][ T7188] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 326.392940][ T7188] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 326.392944][ T7188] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 326.392947][ T7188] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 326.392948][ T7188] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 326.392950][ T7188] ? netlink_ack (./include/linux/skbuff.h:2718) [ 326.392952][ T7188] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 326.392955][ T7188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.392956][ T7188] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 326.392958][ T7188] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 326.392961][ T7188] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 326.392963][ T7188] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 326.392965][ T7188] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 326.392969][ T7188] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 326.392971][ T7188] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 326.392973][ T7188] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 326.392975][ T7188] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 326.392978][ T7188] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 326.392982][ T7188] ____sys_sendmsg (net/socket.c:2713) [ 326.392983][ T7188] ? copy_msghdr_from_user (net/socket.c:2650) [ 326.392985][ T7188] ? sock_write_iter (net/socket.c:1269) [ 326.392987][ T7188] ? move_addr_to_kernel (net/socket.c:258) [ 326.392989][ T7188] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 326.392992][ T7188] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 326.392994][ T7188] ___sys_sendmsg (net/socket.c:2767) [ 326.392996][ T7188] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 326.392997][ T7188] ? copy_msghdr_from_user (net/socket.c:2619) [ 326.392999][ T7188] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 326.393004][ T7188] __sys_sendmsg (net/socket.c:2799) [ 326.393006][ T7188] ? __sys_sendmsg_sock (net/socket.c:2780) [ 326.393009][ T7188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.393010][ T7188] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 326.393012][ T7188] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 326.393014][ T7188] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 326.393016][ T7188] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 326.393018][ T7188] RIP: 0033:0x7fdc9e44854e [ 326.393020][ T7188] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 326.393022][ T7188] RSP: 002b:00007ffd443bf3f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 326.393026][ T7188] RAX: ffffffffffffffda RBX: 00007ffd443bfbb8 RCX: 00007fdc9e44854e [ 326.393028][ T7188] RDX: 0000000000000000 RSI: 00007ffd443bf4a0 RDI: 0000000000000005 [ 326.393029][ T7188] RBP: 00007ffd443bf400 R08: 0000000000000000 R09: 0000000000000000 [ 326.393030][ T7188] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918f57 [ 326.393031][ T7188] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd443bfb70 | [ 327.570973][ T7254] softirqs last disabled at (0): 0x0 | [ 327.570975][ T7254] Preemption disabled at: | [ 327.570975][ T7254] vprintk_emit (kernel/printk/printk.c:2471) | [ 327.570985][ T7254] Tainted: [W]=WARN [ 327.570986][ T7254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 327.570988][ T7254] Call Trace: [ 327.570990][ T7254] [ 327.570991][ T7254] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 327.570997][ T7254] ? vprintk_emit (kernel/printk/printk.c:2471) [ 327.570999][ T7254] __might_resched.cold (kernel/sched/core.c:9234) [ 327.571002][ T7254] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 327.571005][ T7254] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 327.571008][ T7254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 327.571010][ T7254] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 327.571013][ T7254] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 327.571016][ T7254] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 327.571022][ T7254] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 327.571023][ T7254] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 327.571026][ T7254] put_chars (drivers/char/virtio_console.c:1176) [ 327.571028][ T7254] ? __send_to_port (drivers/char/virtio_console.c:654) [ 327.571029][ T7254] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 327.571032][ T7254] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 327.571037][ T7254] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 327.571039][ T7254] ? vsnprintf (lib/vsprintf.c:2900) [ 327.571042][ T7254] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 327.571044][ T7254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 327.571045][ T7254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 327.571047][ T7254] console_emit_next_record (kernel/printk/printk.c:3183) [ 327.571050][ T7254] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 327.571052][ T7254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 327.571053][ T7254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 327.571054][ T7254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 327.571055][ T7254] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 327.571058][ T7254] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 327.571060][ T7254] console_flush_one_record (kernel/printk/printk.c:3268) [ 327.571062][ T7254] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 327.571065][ T7254] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 327.571067][ T7254] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 327.571069][ T7254] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 327.571070][ T7254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 327.571071][ T7254] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 327.571073][ T7254] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 327.571075][ T7254] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 327.571076][ T7254] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 327.571078][ T7254] ? vprintk_emit (kernel/printk/printk.c:2478) [ 327.571080][ T7254] vprintk_emit (kernel/printk/printk.c:2479) [ 327.571085][ T7254] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 327.571087][ T7254] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 327.571088][ T7254] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 327.571091][ T7254] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 327.571093][ T7254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 327.571094][ T7254] _printk (kernel/printk/printk.c:2504) [ 327.571098][ T7254] ? snapshot_read.cold (user.c:?) [ 327.571100][ T7254] ? br_multicast_flood (??:?) [ 327.571103][ T7254] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 327.571106][ T7254] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 327.571107][ T7254] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 327.571109][ T7254] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 327.571112][ T7254] br_init_port (net/bridge/br_stp_if.c:39) [ 327.571114][ T7254] new_nbp (net/bridge/br_if.c:449) [ 327.571116][ T7254] br_add_if (net/bridge/br_if.c:592) [ 327.571118][ T7254] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 327.571122][ T7254] do_set_master (net/core/rtnetlink.c:3071) [ 327.571124][ T7254] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 327.571126][ T7254] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 327.571128][ T7254] ? __dev_get_by_name (net/core/dev.c:905) [ 327.571129][ T7254] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 327.571133][ T7254] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 327.571136][ T7254] rtnl_newlink (net/core/rtnetlink.c:4215) [ 327.571138][ T7254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 327.571139][ T7254] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 327.571140][ T7254] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 327.571142][ T7254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 327.571143][ T7254] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 327.571146][ T7254] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 327.571148][ T7254] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 327.571150][ T7254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 327.571151][ T7254] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 327.571153][ T7254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 327.571154][ T7254] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 327.571156][ T7254] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 327.571158][ T7254] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 327.571159][ T7254] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 327.571160][ T7254] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 327.571164][ T7254] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 327.571167][ T7254] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 327.571169][ T7254] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 327.571170][ T7254] ? netlink_ack (./include/linux/skbuff.h:2718) [ 327.571172][ T7254] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 327.571175][ T7254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 327.571176][ T7254] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 327.571180][ T7254] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 327.571183][ T7254] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 327.571185][ T7254] ? next_uptodate_folio (mm/filemap.c:3747) [ 327.571188][ T7254] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 327.571190][ T7254] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 327.571192][ T7254] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 327.571194][ T7254] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 327.571197][ T7254] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 327.571201][ T7254] ____sys_sendmsg (net/socket.c:2713) [ 327.571202][ T7254] ? copy_msghdr_from_user (net/socket.c:2650) [ 327.571204][ T7254] ? sock_write_iter (net/socket.c:1269) [ 327.571206][ T7254] ? move_addr_to_kernel (net/socket.c:258) [ 327.571208][ T7254] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 327.571210][ T7254] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 327.571212][ T7254] ___sys_sendmsg (net/socket.c:2767) [ 327.571214][ T7254] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 327.571216][ T7254] ? copy_msghdr_from_user (net/socket.c:2619) [ 327.571218][ T7254] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 327.571222][ T7254] __sys_sendmsg (net/socket.c:2799) [ 327.571224][ T7254] ? __sys_sendmsg_sock (net/socket.c:2780) [ 327.571227][ T7254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 327.571228][ T7254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 327.571230][ T7254] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 327.571232][ T7254] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 327.571234][ T7254] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 327.571236][ T7254] RIP: 0033:0x7ff67ccc954e [ 327.571238][ T7254] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 327.571240][ T7254] RSP: 002b:00007ffdae3bc710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 327.571244][ T7254] RAX: ffffffffffffffda RBX: 00007ffdae3bced8 RCX: 00007ff67ccc954e [ 327.571245][ T7254] RDX: 0000000000000000 RSI: 00007ffdae3bc7c0 RDI: 0000000000000005 [ 327.571246][ T7254] RBP: 00007ffdae3bc720 R08: 0000000000000000 R09: 0000000000000000 [ 327.571247][ T7254] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918f58 [ 327.571248][ T7254] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdae3bce90 | [ 419.296373][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 419.296375][ T69] Preemption disabled at: | [ 419.296376][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 419.296386][ T69] Tainted: [W]=WARN [ 419.296387][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 419.296389][ T69] Workqueue: netns cleanup_net [ 419.296395][ T69] Call Trace: [ 419.296397][ T69] [ 419.296398][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 419.296404][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 419.296405][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 419.296409][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 419.296411][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 419.296414][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.296417][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 419.296425][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 419.296428][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 419.296432][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 419.296434][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 419.296437][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 419.296439][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 419.296440][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 419.296443][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 419.296448][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 419.296450][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 419.296452][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 419.296454][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.296455][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.296457][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 419.296460][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 419.296462][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.296463][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.296464][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.296465][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 419.296467][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 419.296469][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 419.296472][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 419.296475][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 419.296477][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 419.296478][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 419.296480][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.296481][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 419.296483][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 419.296484][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 419.296486][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 419.296488][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 419.296489][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 419.296491][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 419.296493][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 419.296494][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 419.296497][ T69] ? kthread (kernel/kthread.c:436) [ 419.296499][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 419.296502][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 419.296505][ T69] _printk (kernel/printk/printk.c:2504) [ 419.296508][ T69] ? snapshot_read.cold (user.c:?) [ 419.296511][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 419.296514][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 419.296516][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 419.296519][ T69] ? netdev_notice (net/core/dev.c:13194) [ 419.296521][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.296522][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 419.296523][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 419.296526][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 419.296528][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 419.296530][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 419.296532][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 419.296535][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 419.296539][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 419.296541][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 419.296543][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 419.296546][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 419.296548][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 419.296550][ T69] cleanup_net (net/core/net_namespace.c:706) [ 419.296552][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 419.296555][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 419.296556][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 419.296558][ T69] process_one_work (kernel/workqueue.c:3387) [ 419.296561][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 419.296563][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 419.296565][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 419.296568][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 419.296570][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 419.296572][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 419.296574][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 419.296575][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 419.296577][ T69] kthread (kernel/kthread.c:436) [ 419.296579][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 419.296581][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 419.296583][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 419.296584][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 419.296586][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 419.296589][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 419.296591][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 421.001528][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 421.001531][ T69] Preemption disabled at: | [ 421.001531][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 421.001542][ T69] Tainted: [W]=WARN [ 421.001543][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 421.001545][ T69] Workqueue: netns cleanup_net [ 421.001551][ T69] Call Trace: [ 421.001553][ T69] [ 421.001555][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 421.001560][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 421.001562][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 421.001565][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 421.001568][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 421.001571][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 421.001574][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 421.001577][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 421.001580][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 421.001584][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 421.001586][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 421.001589][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 421.001590][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 421.001592][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 421.001595][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 421.001600][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 421.001602][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 421.001604][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 421.001606][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 421.001607][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 421.001609][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 421.001612][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 421.001614][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 421.001615][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 421.001616][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 421.001617][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 421.001619][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 421.001621][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 421.001624][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 421.001626][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 421.001628][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 421.001630][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 421.001632][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 421.001633][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 421.001634][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 421.001636][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 421.001637][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 421.001640][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 421.001641][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 421.001643][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 421.001644][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 421.001646][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 421.001649][ T69] ? kthread (kernel/kthread.c:436) [ 421.001651][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 421.001653][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 421.001656][ T69] _printk (kernel/printk/printk.c:2504) [ 421.001659][ T69] ? snapshot_read.cold (user.c:?) [ 421.001662][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 421.001665][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 421.001667][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 421.001670][ T69] ? netdev_notice (net/core/dev.c:13194) [ 421.001672][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 421.001673][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 421.001675][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 421.001678][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 421.001679][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 421.001681][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 421.001683][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 421.001686][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 421.001690][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 421.001692][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 421.001695][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 421.001697][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 421.001699][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 421.001701][ T69] cleanup_net (net/core/net_namespace.c:706) [ 421.001703][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 421.001706][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 421.001707][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 421.001709][ T69] process_one_work (kernel/workqueue.c:3387) [ 421.001712][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 421.001714][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 421.001716][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 421.001719][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 421.001721][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 421.001723][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 421.001725][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 421.001727][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 421.001728][ T69] kthread (kernel/kthread.c:436) [ 421.001730][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 421.001732][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 421.001734][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 421.001736][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 421.001738][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 421.001741][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 421.001743][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 422.517089][ T8004] softirqs last disabled at (0): 0x0 | [ 422.517090][ T8004] Preemption disabled at: | [ 422.517091][ T8004] vprintk_emit (kernel/printk/printk.c:2471) | [ 422.517102][ T8004] Tainted: [W]=WARN [ 422.517103][ T8004] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 422.517104][ T8004] Call Trace: [ 422.517106][ T8004] [ 422.517107][ T8004] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 422.517113][ T8004] ? vprintk_emit (kernel/printk/printk.c:2471) [ 422.517114][ T8004] __might_resched.cold (kernel/sched/core.c:9234) [ 422.517118][ T8004] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 422.517120][ T8004] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 422.517124][ T8004] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 422.517126][ T8004] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 422.517129][ T8004] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 422.517132][ T8004] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 422.517137][ T8004] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 422.517139][ T8004] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 422.517142][ T8004] put_chars (drivers/char/virtio_console.c:1176) [ 422.517143][ T8004] ? __send_to_port (drivers/char/virtio_console.c:654) [ 422.517145][ T8004] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 422.517148][ T8004] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 422.517153][ T8004] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 422.517154][ T8004] ? vsnprintf (lib/vsprintf.c:2900) [ 422.517158][ T8004] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 422.517160][ T8004] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 422.517161][ T8004] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 422.517163][ T8004] console_emit_next_record (kernel/printk/printk.c:3183) [ 422.517165][ T8004] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 422.517167][ T8004] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 422.517169][ T8004] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 422.517170][ T8004] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 422.517171][ T8004] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 422.517173][ T8004] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 422.517175][ T8004] console_flush_one_record (kernel/printk/printk.c:3268) [ 422.517180][ T8004] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 422.517183][ T8004] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 422.517185][ T8004] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 422.517187][ T8004] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 422.517188][ T8004] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 422.517189][ T8004] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 422.517191][ T8004] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 422.517193][ T8004] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 422.517194][ T8004] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 422.517196][ T8004] ? vprintk_emit (kernel/printk/printk.c:2478) [ 422.517197][ T8004] vprintk_emit (kernel/printk/printk.c:2479) [ 422.517199][ T8004] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 422.517200][ T8004] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 422.517202][ T8004] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 422.517205][ T8004] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 422.517207][ T8004] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 422.517208][ T8004] _printk (kernel/printk/printk.c:2504) [ 422.517211][ T8004] ? snapshot_read.cold (user.c:?) [ 422.517214][ T8004] ? br_multicast_flood (??:?) [ 422.517217][ T8004] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 422.517220][ T8004] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 422.517221][ T8004] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 422.517223][ T8004] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 422.517226][ T8004] br_init_port (net/bridge/br_stp_if.c:39) [ 422.517227][ T8004] new_nbp (net/bridge/br_if.c:449) [ 422.517230][ T8004] br_add_if (net/bridge/br_if.c:592) [ 422.517231][ T8004] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 422.517236][ T8004] do_set_master (net/core/rtnetlink.c:3071) [ 422.517238][ T8004] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 422.517240][ T8004] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 422.517241][ T8004] ? __dev_get_by_name (net/core/dev.c:905) [ 422.517243][ T8004] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 422.517247][ T8004] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 422.517249][ T8004] rtnl_newlink (net/core/rtnetlink.c:4215) [ 422.517251][ T8004] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 422.517253][ T8004] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 422.517254][ T8004] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 422.517256][ T8004] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 422.517257][ T8004] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 422.517260][ T8004] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 422.517262][ T8004] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 422.517264][ T8004] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 422.517265][ T8004] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 422.517267][ T8004] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 422.517268][ T8004] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 422.517270][ T8004] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 422.517272][ T8004] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 422.517273][ T8004] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 422.517274][ T8004] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 422.517278][ T8004] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 422.517281][ T8004] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 422.517283][ T8004] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 422.517285][ T8004] ? netlink_ack (./include/linux/skbuff.h:2718) [ 422.517286][ T8004] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 422.517289][ T8004] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 422.517291][ T8004] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 422.517293][ T8004] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 422.517295][ T8004] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 422.517297][ T8004] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 422.517300][ T8004] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 422.517303][ T8004] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 422.517305][ T8004] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 422.517307][ T8004] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 422.517309][ T8004] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 422.517312][ T8004] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 422.517315][ T8004] ____sys_sendmsg (net/socket.c:2713) [ 422.517317][ T8004] ? copy_msghdr_from_user (net/socket.c:2650) [ 422.517319][ T8004] ? sock_write_iter (net/socket.c:1269) [ 422.517320][ T8004] ? move_addr_to_kernel (net/socket.c:258) [ 422.517322][ T8004] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 422.517325][ T8004] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 422.517327][ T8004] ___sys_sendmsg (net/socket.c:2767) [ 422.517328][ T8004] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 422.517330][ T8004] ? copy_msghdr_from_user (net/socket.c:2619) [ 422.517332][ T8004] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 422.517336][ T8004] __sys_sendmsg (net/socket.c:2799) [ 422.517338][ T8004] ? __sys_sendmsg_sock (net/socket.c:2780) [ 422.517341][ T8004] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 422.517342][ T8004] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 422.517344][ T8004] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 422.517346][ T8004] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 422.517348][ T8004] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 422.517350][ T8004] RIP: 0033:0x7f716671454e [ 422.517352][ T8004] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 422.517354][ T8004] RSP: 002b:00007fff8aac0f70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 422.517357][ T8004] RAX: ffffffffffffffda RBX: 00007fff8aac1738 RCX: 00007f716671454e [ 422.517359][ T8004] RDX: 0000000000000000 RSI: 00007fff8aac1020 RDI: 0000000000000005 [ 422.517360][ T8004] RBP: 00007fff8aac0f80 R08: 0000000000000000 R09: 0000000000000000 [ 422.517361][ T8004] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918fb7 [ 422.517362][ T8004] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8aac16f0 | [ 423.652640][ T8070] softirqs last disabled at (0): 0x0 | [ 423.652642][ T8070] Preemption disabled at: | [ 423.652643][ T8070] vprintk_emit (kernel/printk/printk.c:2471) | [ 423.652653][ T8070] Tainted: [W]=WARN [ 423.652654][ T8070] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 423.652656][ T8070] Call Trace: [ 423.652657][ T8070] [ 423.652658][ T8070] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 423.652664][ T8070] ? vprintk_emit (kernel/printk/printk.c:2471) [ 423.652666][ T8070] __might_resched.cold (kernel/sched/core.c:9234) [ 423.652670][ T8070] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 423.652672][ T8070] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 423.652675][ T8070] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 423.652678][ T8070] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 423.652681][ T8070] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 423.652684][ T8070] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 423.652689][ T8070] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 423.652690][ T8070] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 423.652693][ T8070] put_chars (drivers/char/virtio_console.c:1176) [ 423.652694][ T8070] ? __send_to_port (drivers/char/virtio_console.c:654) [ 423.652696][ T8070] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 423.652699][ T8070] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 423.652704][ T8070] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 423.652706][ T8070] ? vsnprintf (lib/vsprintf.c:2900) [ 423.652709][ T8070] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 423.652711][ T8070] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 423.652712][ T8070] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 423.652714][ T8070] console_emit_next_record (kernel/printk/printk.c:3183) [ 423.652716][ T8070] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 423.652718][ T8070] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 423.652719][ T8070] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 423.652720][ T8070] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 423.652721][ T8070] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 423.652724][ T8070] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 423.652726][ T8070] console_flush_one_record (kernel/printk/printk.c:3268) [ 423.652728][ T8070] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 423.652731][ T8070] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 423.652733][ T8070] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 423.652735][ T8070] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 423.652736][ T8070] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 423.652737][ T8070] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 423.652739][ T8070] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 423.652740][ T8070] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 423.652742][ T8070] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 423.652744][ T8070] ? vprintk_emit (kernel/printk/printk.c:2478) [ 423.652745][ T8070] vprintk_emit (kernel/printk/printk.c:2479) [ 423.652747][ T8070] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 423.652748][ T8070] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 423.652750][ T8070] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 423.652753][ T8070] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 423.652755][ T8070] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 423.652756][ T8070] _printk (kernel/printk/printk.c:2504) [ 423.652759][ T8070] ? snapshot_read.cold (user.c:?) [ 423.652761][ T8070] ? br_multicast_flood (??:?) [ 423.652765][ T8070] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 423.652768][ T8070] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 423.652769][ T8070] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 423.652771][ T8070] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 423.652773][ T8070] br_init_port (net/bridge/br_stp_if.c:39) [ 423.652775][ T8070] new_nbp (net/bridge/br_if.c:449) [ 423.652777][ T8070] br_add_if (net/bridge/br_if.c:592) [ 423.652779][ T8070] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 423.652783][ T8070] do_set_master (net/core/rtnetlink.c:3071) [ 423.652785][ T8070] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 423.652787][ T8070] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 423.652788][ T8070] ? __dev_get_by_name (net/core/dev.c:905) [ 423.652790][ T8070] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 423.652794][ T8070] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 423.652796][ T8070] rtnl_newlink (net/core/rtnetlink.c:4215) [ 423.652798][ T8070] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 423.652799][ T8070] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 423.652801][ T8070] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 423.652802][ T8070] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 423.652804][ T8070] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 423.652806][ T8070] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 423.652808][ T8070] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 423.652810][ T8070] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 423.652811][ T8070] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 423.652813][ T8070] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 423.652814][ T8070] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 423.652816][ T8070] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 423.652818][ T8070] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 423.652819][ T8070] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 423.652820][ T8070] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 423.652824][ T8070] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 423.652827][ T8070] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 423.652829][ T8070] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 423.652830][ T8070] ? netlink_ack (./include/linux/skbuff.h:2718) [ 423.652832][ T8070] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 423.652835][ T8070] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 423.652836][ T8070] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 423.652838][ T8070] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 423.652840][ T8070] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 423.652842][ T8070] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 423.652844][ T8070] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 423.652847][ T8070] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 423.652849][ T8070] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 423.652851][ T8070] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 423.652853][ T8070] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 423.652856][ T8070] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 423.652859][ T8070] ____sys_sendmsg (net/socket.c:2713) [ 423.652861][ T8070] ? copy_msghdr_from_user (net/socket.c:2650) [ 423.652863][ T8070] ? sock_write_iter (net/socket.c:1269) [ 423.652864][ T8070] ? move_addr_to_kernel (net/socket.c:258) [ 423.652866][ T8070] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 423.652869][ T8070] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 423.652871][ T8070] ___sys_sendmsg (net/socket.c:2767) [ 423.652872][ T8070] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 423.652874][ T8070] ? copy_msghdr_from_user (net/socket.c:2619) [ 423.652876][ T8070] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 423.652880][ T8070] __sys_sendmsg (net/socket.c:2799) [ 423.652883][ T8070] ? __sys_sendmsg_sock (net/socket.c:2780) [ 423.652885][ T8070] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 423.652887][ T8070] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 423.652888][ T8070] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 423.652891][ T8070] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 423.652892][ T8070] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 423.652894][ T8070] RIP: 0033:0x7fe37d5af54e [ 423.652896][ T8070] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 423.652898][ T8070] RSP: 002b:00007fffda604b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 423.652902][ T8070] RAX: ffffffffffffffda RBX: 00007fffda605338 RCX: 00007fe37d5af54e [ 423.652903][ T8070] RDX: 0000000000000000 RSI: 00007fffda604c20 RDI: 0000000000000005 [ 423.652904][ T8070] RBP: 00007fffda604b80 R08: 0000000000000000 R09: 0000000000000000 [ 423.652905][ T8070] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918fb8 [ 423.652906][ T8070] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffda6052f0 | [ 431.253318][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 431.253321][ T69] Preemption disabled at: | [ 431.253321][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 431.253331][ T69] Tainted: [W]=WARN [ 431.253332][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 431.253334][ T69] Workqueue: netns cleanup_net [ 431.253340][ T69] Call Trace: [ 431.253341][ T69] [ 431.253343][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 431.253348][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 431.253350][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 431.253353][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 431.253355][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 431.253358][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 431.253361][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 431.253364][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 431.253367][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 431.253372][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 431.253373][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 431.253376][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 431.253377][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 431.253379][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 431.253382][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 431.253387][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 431.253389][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 431.253391][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 431.253393][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 431.253394][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 431.253395][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 431.253398][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 431.253400][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 431.253401][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 431.253402][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 431.253403][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 431.253406][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 431.253408][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 431.253410][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 431.253412][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 431.253416][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 431.253418][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 431.253419][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 431.253421][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 431.253422][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 431.253423][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 431.253425][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 431.253426][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 431.253428][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 431.253430][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 431.253431][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 431.253432][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 431.253434][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 431.253437][ T69] ? kthread (kernel/kthread.c:436) [ 431.253439][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 431.253442][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 431.253444][ T69] _printk (kernel/printk/printk.c:2504) [ 431.253447][ T69] ? snapshot_read.cold (user.c:?) [ 431.253449][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 431.253452][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 431.253455][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 431.253457][ T69] ? netdev_notice (net/core/dev.c:13194) [ 431.253459][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 431.253460][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 431.253462][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 431.253467][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 431.253468][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 431.253470][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 431.253472][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 431.253474][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 431.253478][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 431.253481][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 431.253483][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 431.253485][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 431.253487][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 431.253490][ T69] cleanup_net (net/core/net_namespace.c:706) [ 431.253492][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 431.253494][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 431.253495][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 431.253497][ T69] process_one_work (kernel/workqueue.c:3387) [ 431.253500][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 431.253502][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 431.253504][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 431.253506][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 431.253509][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 431.253510][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 431.253512][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 431.253514][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 431.253516][ T69] kthread (kernel/kthread.c:436) [ 431.253518][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 431.253519][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 431.253521][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 431.253523][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 431.253525][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 431.253528][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 431.253529][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 432.417571][ T8368] softirqs last disabled at (0): 0x0 | [ 432.417572][ T8368] Preemption disabled at: | [ 432.417573][ T8368] vprintk_emit (kernel/printk/printk.c:2471) | [ 432.417583][ T8368] Tainted: [W]=WARN [ 432.417584][ T8368] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 432.417586][ T8368] Call Trace: [ 432.417588][ T8368] [ 432.417589][ T8368] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 432.417594][ T8368] ? vprintk_emit (kernel/printk/printk.c:2471) [ 432.417596][ T8368] __might_resched.cold (kernel/sched/core.c:9234) [ 432.417599][ T8368] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 432.417602][ T8368] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 432.417605][ T8368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.417608][ T8368] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 432.417611][ T8368] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 432.417614][ T8368] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 432.417619][ T8368] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 432.417621][ T8368] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 432.417623][ T8368] put_chars (drivers/char/virtio_console.c:1176) [ 432.417625][ T8368] ? __send_to_port (drivers/char/virtio_console.c:654) [ 432.417626][ T8368] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 432.417629][ T8368] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 432.417634][ T8368] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 432.417636][ T8368] ? vsnprintf (lib/vsprintf.c:2900) [ 432.417639][ T8368] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 432.417641][ T8368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.417642][ T8368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.417644][ T8368] console_emit_next_record (kernel/printk/printk.c:3183) [ 432.417646][ T8368] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 432.417648][ T8368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.417649][ T8368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.417650][ T8368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.417652][ T8368] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 432.417654][ T8368] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 432.417656][ T8368] console_flush_one_record (kernel/printk/printk.c:3268) [ 432.417658][ T8368] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 432.417661][ T8368] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 432.417663][ T8368] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 432.417664][ T8368] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 432.417666][ T8368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.417667][ T8368] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 432.417669][ T8368] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 432.417670][ T8368] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 432.417672][ T8368] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 432.417674][ T8368] ? vprintk_emit (kernel/printk/printk.c:2478) [ 432.417675][ T8368] vprintk_emit (kernel/printk/printk.c:2479) [ 432.417677][ T8368] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 432.417678][ T8368] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 432.417680][ T8368] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 432.417683][ T8368] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 432.417684][ T8368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.417686][ T8368] _printk (kernel/printk/printk.c:2504) [ 432.417689][ T8368] ? snapshot_read.cold (user.c:?) [ 432.417691][ T8368] ? br_multicast_flood (??:?) [ 432.417694][ T8368] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 432.417697][ T8368] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 432.417698][ T8368] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 432.417700][ T8368] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 432.417703][ T8368] br_init_port (net/bridge/br_stp_if.c:39) [ 432.417705][ T8368] new_nbp (net/bridge/br_if.c:449) [ 432.417707][ T8368] br_add_if (net/bridge/br_if.c:592) [ 432.417709][ T8368] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 432.417713][ T8368] do_set_master (net/core/rtnetlink.c:3071) [ 432.417715][ T8368] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 432.417717][ T8368] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 432.417718][ T8368] ? __dev_get_by_name (net/core/dev.c:905) [ 432.417720][ T8368] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 432.417723][ T8368] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 432.417726][ T8368] rtnl_newlink (net/core/rtnetlink.c:4215) [ 432.417728][ T8368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.417729][ T8368] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 432.417730][ T8368] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 432.417732][ T8368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.417733][ T8368] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 432.417736][ T8368] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 432.417738][ T8368] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 432.417740][ T8368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.417741][ T8368] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 432.417742][ T8368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.417744][ T8368] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 432.417745][ T8368] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 432.417747][ T8368] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 432.417748][ T8368] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 432.417750][ T8368] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 432.417753][ T8368] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 432.417757][ T8368] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 432.417758][ T8368] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 432.417760][ T8368] ? netlink_ack (./include/linux/skbuff.h:2718) [ 432.417761][ T8368] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 432.417764][ T8368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.417765][ T8368] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 432.417767][ T8368] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 432.417769][ T8368] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 432.417771][ T8368] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 432.417774][ T8368] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 432.417777][ T8368] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 432.417779][ T8368] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 432.417781][ T8368] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 432.417783][ T8368] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 432.417786][ T8368] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 432.417789][ T8368] ____sys_sendmsg (net/socket.c:2713) [ 432.417791][ T8368] ? copy_msghdr_from_user (net/socket.c:2650) [ 432.417793][ T8368] ? sock_write_iter (net/socket.c:1269) [ 432.417794][ T8368] ? move_addr_to_kernel (net/socket.c:258) [ 432.417796][ T8368] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 432.417799][ T8368] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 432.417801][ T8368] ___sys_sendmsg (net/socket.c:2767) [ 432.417802][ T8368] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 432.417804][ T8368] ? copy_msghdr_from_user (net/socket.c:2619) [ 432.417806][ T8368] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 432.417810][ T8368] __sys_sendmsg (net/socket.c:2799) [ 432.417813][ T8368] ? __sys_sendmsg_sock (net/socket.c:2780) [ 432.417815][ T8368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.417816][ T8368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.417818][ T8368] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 432.417820][ T8368] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 432.417822][ T8368] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 432.417824][ T8368] RIP: 0033:0x7fb348ff054e [ 432.417826][ T8368] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 432.417828][ T8368] RSP: 002b:00007ffc9578d710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 432.417831][ T8368] RAX: ffffffffffffffda RBX: 00007ffc9578ded8 RCX: 00007fb348ff054e [ 432.417833][ T8368] RDX: 0000000000000000 RSI: 00007ffc9578d7c0 RDI: 0000000000000005 [ 432.417834][ T8368] RBP: 00007ffc9578d720 R08: 0000000000000000 R09: 0000000000000000 [ 432.417834][ T8368] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918fc1 [ 432.417835][ T8368] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9578de90 | [ 433.708768][ T8437] softirqs last disabled at (0): 0x0 | [ 433.708770][ T8437] Preemption disabled at: | [ 433.708770][ T8437] vprintk_emit (kernel/printk/printk.c:2471) | [ 433.708780][ T8437] Tainted: [W]=WARN [ 433.708781][ T8437] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 433.708783][ T8437] Call Trace: [ 433.708784][ T8437] [ 433.708786][ T8437] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 433.708791][ T8437] ? vprintk_emit (kernel/printk/printk.c:2471) [ 433.708792][ T8437] __might_resched.cold (kernel/sched/core.c:9234) [ 433.708797][ T8437] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 433.708800][ T8437] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 433.708803][ T8437] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 433.708805][ T8437] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 433.708808][ T8437] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 433.708813][ T8437] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 433.708815][ T8437] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 433.708818][ T8437] put_chars (drivers/char/virtio_console.c:1176) [ 433.708820][ T8437] ? __send_to_port (drivers/char/virtio_console.c:654) [ 433.708821][ T8437] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 433.708824][ T8437] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 433.708826][ T8437] ? pointer (lib/vsprintf.c:2577) [ 433.708829][ T8437] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 433.708834][ T8437] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 433.708836][ T8437] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 433.708838][ T8437] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 433.708840][ T8437] console_emit_next_record (kernel/printk/printk.c:3183) [ 433.708843][ T8437] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 433.708845][ T8437] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 433.708846][ T8437] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 433.708847][ T8437] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 433.708848][ T8437] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 433.708850][ T8437] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 433.708852][ T8437] console_flush_one_record (kernel/printk/printk.c:3268) [ 433.708854][ T8437] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 433.708857][ T8437] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 433.708859][ T8437] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 433.708860][ T8437] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 433.708862][ T8437] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 433.708863][ T8437] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 433.708865][ T8437] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 433.708866][ T8437] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 433.708868][ T8437] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 433.708870][ T8437] ? vprintk_emit (kernel/printk/printk.c:2478) [ 433.708871][ T8437] vprintk_emit (kernel/printk/printk.c:2479) [ 433.708873][ T8437] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 433.708874][ T8437] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 433.708877][ T8437] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 433.708880][ T8437] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 433.708882][ T8437] _printk (kernel/printk/printk.c:2504) [ 433.708885][ T8437] ? snapshot_read.cold (user.c:?) [ 433.708887][ T8437] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 433.708889][ T8437] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 433.708893][ T8437] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 433.708894][ T8437] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 433.708897][ T8437] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 433.708900][ T8437] ? netdev_notice (net/core/dev.c:13194) [ 433.708902][ T8437] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 433.708903][ T8437] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 433.708906][ T8437] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 433.708908][ T8437] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 433.708909][ T8437] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 433.708910][ T8437] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 433.708911][ T8437] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 433.708913][ T8437] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 433.708914][ T8437] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 433.708915][ T8437] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 433.708917][ T8437] ? register_netdev (net/core/dev.c:11618) [ 433.708918][ T8437] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 433.708920][ T8437] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 433.708923][ T8437] ? __kernel_text_address (kernel/extable.c:79) [ 433.708925][ T8437] ? write_profile (profile.c:?) [ 433.708928][ T8437] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 433.708932][ T8437] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 433.708934][ T8437] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 433.708935][ T8437] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 433.708937][ T8437] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 433.708938][ T8437] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 433.708941][ T8437] ? kasan_save_stack (mm/kasan/common.c:58) [ 433.708943][ T8437] ? kasan_save_stack (mm/kasan/common.c:57) [ 433.708944][ T8437] ? kasan_save_track (mm/kasan/common.c:78) [ 433.708945][ T8437] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 433.708946][ T8437] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 433.708947][ T8437] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 433.708949][ T8437] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 433.708950][ T8437] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 433.708953][ T8437] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 433.708954][ T8437] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 433.708956][ T8437] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 433.708959][ T8437] ? ____sys_sendmsg (net/socket.c:2713) [ 433.708960][ T8437] ? ___sys_sendmsg (net/socket.c:2767) [ 433.708962][ T8437] ? __sys_sendmsg (net/socket.c:2799) [ 433.708963][ T8437] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 433.708966][ T8437] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 433.708968][ T8437] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 433.708970][ T8437] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 433.708971][ T8437] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 433.708972][ T8437] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 433.708973][ T8437] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 433.708975][ T8437] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 433.708976][ T8437] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 433.708977][ T8437] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 433.708979][ T8437] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 433.708980][ T8437] ? nla_get_range_signed (lib/nlattr.c:270) [ 433.708983][ T8437] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 433.708984][ T8437] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 433.708986][ T8437] rtnl_newlink (net/core/rtnetlink.c:4215) [ 433.708988][ T8437] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 433.708989][ T8437] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 433.708990][ T8437] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 433.708992][ T8437] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 433.708993][ T8437] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 433.708996][ T8437] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 433.708997][ T8437] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 433.708999][ T8437] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 433.709000][ T8437] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 433.709003][ T8437] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 433.709006][ T8437] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 433.709007][ T8437] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 433.709008][ T8437] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 433.709009][ T8437] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 433.709011][ T8437] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 433.709012][ T8437] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 433.709014][ T8437] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 433.709015][ T8437] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 433.709018][ T8437] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 433.709019][ T8437] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 433.709021][ T8437] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 433.709022][ T8437] ? netlink_ack (./include/linux/skbuff.h:2718) [ 433.709024][ T8437] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 433.709027][ T8437] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 433.709028][ T8437] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 433.709030][ T8437] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 433.709032][ T8437] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 433.709034][ T8437] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 433.709036][ T8437] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 433.709038][ T8437] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 433.709040][ T8437] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 433.709042][ T8437] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 433.709043][ T8437] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 433.709046][ T8437] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 433.709048][ T8437] ____sys_sendmsg (net/socket.c:2713) [ 433.709050][ T8437] ? copy_msghdr_from_user (net/socket.c:2650) [ 433.709051][ T8437] ? sock_write_iter (net/socket.c:1269) [ 433.709053][ T8437] ? move_addr_to_kernel (net/socket.c:258) [ 433.709055][ T8437] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 433.709057][ T8437] ___sys_sendmsg (net/socket.c:2767) [ 433.709059][ T8437] ? copy_msghdr_from_user (net/socket.c:2619) [ 433.709064][ T8437] __sys_sendmsg (net/socket.c:2799) [ 433.709066][ T8437] ? __sys_sendmsg_sock (net/socket.c:2780) [ 433.709069][ T8437] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 433.709070][ T8437] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 433.709072][ T8437] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 433.709074][ T8437] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 433.709075][ T8437] RIP: 0033:0x7f1cd349954e [ 433.709077][ T8437] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 433.709079][ T8437] RSP: 002b:00007ffdb7cabe00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 433.709083][ T8437] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1cd349954e [ 433.709084][ T8437] RDX: 0000000000000000 RSI: 00007ffdb7cabeb0 RDI: 0000000000000005 [ 433.709085][ T8437] RBP: 00007ffdb7cabe10 R08: 0000000000000000 R09: 0000000000000000 [ 433.709086][ T8437] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918fc3 [ 433.709087][ T8437] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb7cac570 | [ 434.781548][ T8494] softirqs last disabled at (0): 0x0 | [ 434.781550][ T8494] Preemption disabled at: | [ 434.781551][ T8494] vprintk_emit (kernel/printk/printk.c:2471) | [ 434.781561][ T8494] Tainted: [W]=WARN [ 434.781562][ T8494] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 434.781564][ T8494] Call Trace: [ 434.781565][ T8494] [ 434.781566][ T8494] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 434.781572][ T8494] ? vprintk_emit (kernel/printk/printk.c:2471) [ 434.781574][ T8494] __might_resched.cold (kernel/sched/core.c:9234) [ 434.781578][ T8494] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 434.781580][ T8494] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 434.781583][ T8494] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.781586][ T8494] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 434.781589][ T8494] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 434.781592][ T8494] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 434.781596][ T8494] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 434.781598][ T8494] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 434.781601][ T8494] put_chars (drivers/char/virtio_console.c:1176) [ 434.781602][ T8494] ? __send_to_port (drivers/char/virtio_console.c:654) [ 434.781604][ T8494] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 434.781607][ T8494] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 434.781611][ T8494] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 434.781613][ T8494] ? vsnprintf (lib/vsprintf.c:2900) [ 434.781617][ T8494] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 434.781618][ T8494] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.781619][ T8494] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.781621][ T8494] console_emit_next_record (kernel/printk/printk.c:3183) [ 434.781624][ T8494] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 434.781626][ T8494] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.781627][ T8494] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.781628][ T8494] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.781629][ T8494] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 434.781632][ T8494] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 434.781634][ T8494] console_flush_one_record (kernel/printk/printk.c:3268) [ 434.781636][ T8494] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 434.781639][ T8494] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 434.781641][ T8494] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 434.781643][ T8494] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 434.781644][ T8494] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.781646][ T8494] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 434.781647][ T8494] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 434.781649][ T8494] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 434.781650][ T8494] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 434.781652][ T8494] ? vprintk_emit (kernel/printk/printk.c:2478) [ 434.781654][ T8494] vprintk_emit (kernel/printk/printk.c:2479) [ 434.781655][ T8494] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 434.781657][ T8494] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 434.781658][ T8494] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 434.781661][ T8494] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 434.781663][ T8494] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.781664][ T8494] _printk (kernel/printk/printk.c:2504) [ 434.781667][ T8494] ? snapshot_read.cold (user.c:?) [ 434.781670][ T8494] ? br_multicast_flood (??:?) [ 434.781673][ T8494] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 434.781676][ T8494] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 434.781677][ T8494] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 434.781679][ T8494] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 434.781682][ T8494] br_init_port (net/bridge/br_stp_if.c:39) [ 434.781683][ T8494] new_nbp (net/bridge/br_if.c:449) [ 434.781686][ T8494] br_add_if (net/bridge/br_if.c:592) [ 434.781688][ T8494] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 434.781692][ T8494] do_set_master (net/core/rtnetlink.c:3071) [ 434.781694][ T8494] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 434.781696][ T8494] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 434.781697][ T8494] ? __dev_get_by_name (net/core/dev.c:905) [ 434.781699][ T8494] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 434.781703][ T8494] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 434.781705][ T8494] rtnl_newlink (net/core/rtnetlink.c:4215) [ 434.781707][ T8494] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.781709][ T8494] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 434.781710][ T8494] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 434.781711][ T8494] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.781713][ T8494] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 434.781715][ T8494] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 434.781717][ T8494] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 434.781720][ T8494] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.781721][ T8494] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 434.781722][ T8494] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.781723][ T8494] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 434.781725][ T8494] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 434.781726][ T8494] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 434.781728][ T8494] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 434.781729][ T8494] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 434.781733][ T8494] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 434.781737][ T8494] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 434.781738][ T8494] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 434.781740][ T8494] ? netlink_ack (./include/linux/skbuff.h:2718) [ 434.781741][ T8494] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 434.781744][ T8494] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.781745][ T8494] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 434.781747][ T8494] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 434.781749][ T8494] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 434.781752][ T8494] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 434.781754][ T8494] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 434.781757][ T8494] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 434.781759][ T8494] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 434.781761][ T8494] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 434.781763][ T8494] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 434.781766][ T8494] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 434.781769][ T8494] ____sys_sendmsg (net/socket.c:2713) [ 434.781771][ T8494] ? copy_msghdr_from_user (net/socket.c:2650) [ 434.781773][ T8494] ? sock_write_iter (net/socket.c:1269) [ 434.781774][ T8494] ? move_addr_to_kernel (net/socket.c:258) [ 434.781776][ T8494] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 434.781779][ T8494] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 434.781781][ T8494] ___sys_sendmsg (net/socket.c:2767) [ 434.781782][ T8494] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 434.781784][ T8494] ? copy_msghdr_from_user (net/socket.c:2619) [ 434.781786][ T8494] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 434.781791][ T8494] __sys_sendmsg (net/socket.c:2799) [ 434.781793][ T8494] ? __sys_sendmsg_sock (net/socket.c:2780) [ 434.781795][ T8494] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.781796][ T8494] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 434.781798][ T8494] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 434.781800][ T8494] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 434.781802][ T8494] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 434.781804][ T8494] RIP: 0033:0x7f584fe8f54e [ 434.781806][ T8494] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 434.781808][ T8494] RSP: 002b:00007ffc7a7b0150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 434.781812][ T8494] RAX: ffffffffffffffda RBX: 00007ffc7a7b0918 RCX: 00007f584fe8f54e [ 434.781813][ T8494] RDX: 0000000000000000 RSI: 00007ffc7a7b0200 RDI: 0000000000000005 [ 434.781814][ T8494] RBP: 00007ffc7a7b0160 R08: 0000000000000000 R09: 0000000000000000 [ 434.781815][ T8494] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918fc4 [ 434.781816][ T8494] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7a7b08d0 | [ 440.358106][ T8527] softirqs last disabled at (0): 0x0 | [ 440.358108][ T8527] Preemption disabled at: | [ 440.358109][ T8527] vprintk_emit (kernel/printk/printk.c:2471) | [ 440.358119][ T8527] Tainted: [W]=WARN [ 440.358120][ T8527] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 440.358122][ T8527] Call Trace: [ 440.358123][ T8527] [ 440.358124][ T8527] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 440.358129][ T8527] ? vprintk_emit (kernel/printk/printk.c:2471) [ 440.358131][ T8527] __might_resched.cold (kernel/sched/core.c:9234) [ 440.358135][ T8527] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 440.358138][ T8527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.358141][ T8527] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 440.358144][ T8527] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 440.358147][ T8527] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 440.358152][ T8527] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 440.358153][ T8527] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 440.358156][ T8527] put_chars (drivers/char/virtio_console.c:1176) [ 440.358157][ T8527] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 440.358159][ T8527] ? __send_to_port (drivers/char/virtio_console.c:654) [ 440.358161][ T8527] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 440.358164][ T8527] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 440.358168][ T8527] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 440.358170][ T8527] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 440.358172][ T8527] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 440.358174][ T8527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.358175][ T8527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.358176][ T8527] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 440.358180][ T8527] console_emit_next_record (kernel/printk/printk.c:3183) [ 440.358183][ T8527] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 440.358185][ T8527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.358186][ T8527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.358187][ T8527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.358188][ T8527] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 440.358190][ T8527] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 440.358192][ T8527] console_flush_one_record (kernel/printk/printk.c:3268) [ 440.358194][ T8527] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 440.358197][ T8527] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 440.358199][ T8527] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 440.358200][ T8527] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 440.358202][ T8527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.358203][ T8527] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 440.358204][ T8527] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 440.358206][ T8527] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 440.358207][ T8527] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 440.358209][ T8527] ? vprintk_emit (kernel/printk/printk.c:2478) [ 440.358211][ T8527] vprintk_emit (kernel/printk/printk.c:2479) [ 440.358213][ T8527] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 440.358215][ T8527] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 440.358217][ T8527] _printk (kernel/printk/printk.c:2504) [ 440.358220][ T8527] ? snapshot_read.cold (user.c:?) [ 440.358223][ T8527] ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356) [ 440.358225][ T8527] gact_init_module (net/sched/act_gact.c:180) act_gact [ 440.358227][ T8527] do_one_initcall (init/main.c:1357) [ 440.358229][ T8527] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 440.358231][ T8527] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 440.358234][ T8527] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 440.358238][ T8527] do_init_module (kernel/module/main.c:3117) [ 440.358239][ T8527] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 440.358241][ T8527] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 440.358243][ T8527] load_module (kernel/module/main.c:3593) [ 440.358245][ T8527] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 440.358249][ T8527] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 440.358251][ T8527] ? __ia32_sys_fsconfig (??:?) [ 440.358254][ T8527] ? backing_file_read_iter (fs/backing-file.c:211) [ 440.358257][ T8527] init_module_from_file (kernel/module/main.c:3790) [ 440.358259][ T8527] ? __do_sys_init_module (kernel/module/main.c:3664) [ 440.358261][ T8527] ? ovl_mmap (fs/overlayfs/file.c:477) [ 440.358264][ T8527] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 440.358266][ T8527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.358267][ T8527] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 440.358268][ T8527] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 440.358270][ T8527] idempotent_init_module (kernel/module/main.c:3802) [ 440.358272][ T8527] ? init_module_from_file (kernel/module/main.c:3791) [ 440.358274][ T8527] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 440.358276][ T8527] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 440.358279][ T8527] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 440.358280][ T8527] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 440.358283][ T8527] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 440.358287][ T8527] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 440.358289][ T8527] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 440.358291][ T8527] RIP: 0033:0x7f1c129c637d [ 440.358293][ T8527] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 440.358295][ T8527] RSP: 002b:00007ffe0857d768 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 440.358298][ T8527] RAX: ffffffffffffffda RBX: 000055aebea40810 RCX: 00007f1c129c637d [ 440.358300][ T8527] RDX: 0000000000000000 RSI: 000055aebd69fffd RDI: 0000000000000000 [ 440.358301][ T8527] RBP: 00007ffe0857d800 R08: 0000000000000000 R09: 0000000000000000 [ 440.358302][ T8527] R10: 0000000000000000 R11: 0000000000000246 R12: 000055aebd69fffd [ 440.358302][ T8527] R13: 000055aebea40960 R14: 0000000000040000 R15: 0000000000000000 | [ 442.655656][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 442.655658][ T69] Preemption disabled at: | [ 442.655659][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 442.655669][ T69] Tainted: [W]=WARN [ 442.655670][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 442.655672][ T69] Workqueue: netns cleanup_net [ 442.655678][ T69] Call Trace: [ 442.655680][ T69] [ 442.655681][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 442.655687][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 442.655688][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 442.655692][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 442.655694][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 442.655697][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.655700][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 442.655703][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 442.655706][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 442.655710][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 442.655712][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 442.655715][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 442.655716][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 442.655718][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 442.655721][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 442.655726][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 442.655728][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 442.655730][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 442.655732][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.655733][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.655734][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 442.655737][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 442.655739][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.655740][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.655741][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.655742][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 442.655745][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 442.655747][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 442.655749][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 442.655752][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 442.655754][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 442.655755][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 442.655757][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.655758][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 442.655760][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 442.655761][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 442.655763][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 442.655765][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 442.655766][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 442.655768][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 442.655769][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 442.655771][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 442.655774][ T69] ? kthread (kernel/kthread.c:436) [ 442.655776][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 442.655778][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 442.655781][ T69] _printk (kernel/printk/printk.c:2504) [ 442.655785][ T69] ? snapshot_read.cold (user.c:?) [ 442.655787][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 442.655790][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 442.655792][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 442.655795][ T69] ? netdev_notice (net/core/dev.c:13194) [ 442.655797][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.655798][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 442.655799][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 442.655802][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 442.655804][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 442.655805][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 442.655808][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 442.655810][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 442.655814][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 442.655817][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 442.655819][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 442.655821][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 442.655823][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 442.655826][ T69] cleanup_net (net/core/net_namespace.c:706) [ 442.655828][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 442.655830][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 442.655832][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 442.655834][ T69] process_one_work (kernel/workqueue.c:3387) [ 442.655837][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 442.655839][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 442.655842][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 442.655844][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 442.655846][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 442.655848][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 442.655850][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 442.655852][ T69] kthread (kernel/kthread.c:436) [ 442.655853][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 442.655855][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 442.655857][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 442.655858][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 442.655860][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 442.655864][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 442.655866][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 443.852918][ T8716] softirqs last disabled at (0): 0x0 | [ 443.852919][ T8716] Preemption disabled at: | [ 443.852921][ T8716] vprintk_emit (kernel/printk/printk.c:2471) | [ 443.852931][ T8716] Tainted: [W]=WARN [ 443.852932][ T8716] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 443.852934][ T8716] Call Trace: [ 443.852935][ T8716] [ 443.852937][ T8716] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 443.852942][ T8716] ? vprintk_emit (kernel/printk/printk.c:2471) [ 443.852944][ T8716] __might_resched.cold (kernel/sched/core.c:9234) [ 443.852947][ T8716] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 443.852950][ T8716] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 443.852953][ T8716] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 443.852955][ T8716] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 443.852958][ T8716] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 443.852962][ T8716] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 443.852967][ T8716] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 443.852968][ T8716] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 443.852971][ T8716] put_chars (drivers/char/virtio_console.c:1176) [ 443.852973][ T8716] ? __send_to_port (drivers/char/virtio_console.c:654) [ 443.852974][ T8716] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 443.852977][ T8716] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 443.852982][ T8716] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 443.852983][ T8716] ? vsnprintf (lib/vsprintf.c:2900) [ 443.852987][ T8716] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 443.852988][ T8716] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 443.852989][ T8716] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 443.852991][ T8716] console_emit_next_record (kernel/printk/printk.c:3183) [ 443.852994][ T8716] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 443.852996][ T8716] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 443.852997][ T8716] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 443.852998][ T8716] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 443.852999][ T8716] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 443.853002][ T8716] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 443.853004][ T8716] console_flush_one_record (kernel/printk/printk.c:3268) [ 443.853006][ T8716] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 443.853009][ T8716] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 443.853011][ T8716] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 443.853012][ T8716] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 443.853014][ T8716] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 443.853015][ T8716] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 443.853017][ T8716] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 443.853018][ T8716] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 443.853020][ T8716] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 443.853022][ T8716] ? vprintk_emit (kernel/printk/printk.c:2478) [ 443.853023][ T8716] vprintk_emit (kernel/printk/printk.c:2479) [ 443.853025][ T8716] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 443.853026][ T8716] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 443.853028][ T8716] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 443.853031][ T8716] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 443.853032][ T8716] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 443.853034][ T8716] _printk (kernel/printk/printk.c:2504) [ 443.853037][ T8716] ? snapshot_read.cold (user.c:?) [ 443.853039][ T8716] ? br_multicast_flood (??:?) [ 443.853042][ T8716] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 443.853045][ T8716] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 443.853046][ T8716] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 443.853048][ T8716] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 443.853051][ T8716] br_init_port (net/bridge/br_stp_if.c:39) [ 443.853052][ T8716] new_nbp (net/bridge/br_if.c:449) [ 443.853055][ T8716] br_add_if (net/bridge/br_if.c:592) [ 443.853056][ T8716] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 443.853061][ T8716] do_set_master (net/core/rtnetlink.c:3071) [ 443.853063][ T8716] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 443.853064][ T8716] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 443.853066][ T8716] ? __dev_get_by_name (net/core/dev.c:905) [ 443.853068][ T8716] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 443.853071][ T8716] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 443.853074][ T8716] rtnl_newlink (net/core/rtnetlink.c:4215) [ 443.853076][ T8716] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 443.853077][ T8716] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 443.853078][ T8716] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 443.853080][ T8716] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 443.853081][ T8716] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 443.853084][ T8716] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 443.853085][ T8716] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 443.853088][ T8716] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 443.853089][ T8716] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 443.853090][ T8716] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 443.853092][ T8716] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 443.853093][ T8716] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 443.853095][ T8716] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 443.853096][ T8716] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 443.853098][ T8716] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 443.853101][ T8716] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 443.853104][ T8716] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 443.853106][ T8716] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 443.853108][ T8716] ? netlink_ack (./include/linux/skbuff.h:2718) [ 443.853109][ T8716] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 443.853112][ T8716] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 443.853113][ T8716] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 443.853115][ T8716] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 443.853118][ T8716] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 443.853120][ T8716] ? next_uptodate_folio (mm/filemap.c:3747) [ 443.853123][ T8716] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 443.853125][ T8716] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 443.853127][ T8716] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 443.853128][ T8716] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 443.853132][ T8716] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 443.853135][ T8716] ____sys_sendmsg (net/socket.c:2713) [ 443.853136][ T8716] ? copy_msghdr_from_user (net/socket.c:2650) [ 443.853138][ T8716] ? sock_write_iter (net/socket.c:1269) [ 443.853140][ T8716] ? move_addr_to_kernel (net/socket.c:258) [ 443.853142][ T8716] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 443.853144][ T8716] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 443.853146][ T8716] ___sys_sendmsg (net/socket.c:2767) [ 443.853148][ T8716] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 443.853150][ T8716] ? copy_msghdr_from_user (net/socket.c:2619) [ 443.853152][ T8716] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 443.853156][ T8716] __sys_sendmsg (net/socket.c:2799) [ 443.853159][ T8716] ? __sys_sendmsg_sock (net/socket.c:2780) [ 443.853161][ T8716] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 443.853162][ T8716] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 443.853164][ T8716] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 443.853166][ T8716] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 443.853168][ T8716] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 443.853170][ T8716] RIP: 0033:0x7fcfeeff954e [ 443.853172][ T8716] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 443.853174][ T8716] RSP: 002b:00007fff08b4a5f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 443.853177][ T8716] RAX: ffffffffffffffda RBX: 00007fff08b4adb8 RCX: 00007fcfeeff954e [ 443.853181][ T8716] RDX: 0000000000000000 RSI: 00007fff08b4a6a0 RDI: 0000000000000005 [ 443.853182][ T8716] RBP: 00007fff08b4a600 R08: 0000000000000000 R09: 0000000000000000 [ 443.853183][ T8716] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918fcd [ 443.853184][ T8716] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff08b4ad70 | [ 445.192251][ T8785] softirqs last disabled at (0): 0x0 | [ 445.192253][ T8785] Preemption disabled at: | [ 445.192254][ T8785] vprintk_emit (kernel/printk/printk.c:2471) | [ 445.192263][ T8785] Tainted: [W]=WARN [ 445.192264][ T8785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 445.192266][ T8785] Call Trace: [ 445.192267][ T8785] [ 445.192269][ T8785] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 445.192274][ T8785] ? vprintk_emit (kernel/printk/printk.c:2471) [ 445.192276][ T8785] __might_resched.cold (kernel/sched/core.c:9234) [ 445.192280][ T8785] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 445.192283][ T8785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.192286][ T8785] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 445.192289][ T8785] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 445.192293][ T8785] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 445.192297][ T8785] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 445.192299][ T8785] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 445.192302][ T8785] put_chars (drivers/char/virtio_console.c:1176) [ 445.192303][ T8785] ? __send_to_port (drivers/char/virtio_console.c:654) [ 445.192305][ T8785] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 445.192307][ T8785] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 445.192309][ T8785] ? pointer (lib/vsprintf.c:2577) [ 445.192312][ T8785] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 445.192317][ T8785] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 445.192319][ T8785] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 445.192321][ T8785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 445.192323][ T8785] console_emit_next_record (kernel/printk/printk.c:3183) [ 445.192326][ T8785] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 445.192328][ T8785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.192329][ T8785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.192330][ T8785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.192331][ T8785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 445.192333][ T8785] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 445.192335][ T8785] console_flush_one_record (kernel/printk/printk.c:3268) [ 445.192337][ T8785] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 445.192340][ T8785] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 445.192342][ T8785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 445.192343][ T8785] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 445.192345][ T8785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.192346][ T8785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 445.192348][ T8785] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 445.192349][ T8785] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 445.192351][ T8785] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 445.192352][ T8785] ? vprintk_emit (kernel/printk/printk.c:2478) [ 445.192354][ T8785] vprintk_emit (kernel/printk/printk.c:2479) [ 445.192355][ T8785] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 445.192357][ T8785] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 445.192359][ T8785] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 445.192362][ T8785] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 445.192365][ T8785] _printk (kernel/printk/printk.c:2504) [ 445.192368][ T8785] ? snapshot_read.cold (user.c:?) [ 445.192370][ T8785] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 445.192372][ T8785] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 445.192375][ T8785] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 445.192377][ T8785] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 445.192380][ T8785] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 445.192382][ T8785] ? netdev_notice (net/core/dev.c:13194) [ 445.192385][ T8785] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 445.192386][ T8785] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 445.192389][ T8785] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 445.192390][ T8785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.192391][ T8785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.192392][ T8785] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 445.192394][ T8785] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 445.192395][ T8785] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 445.192397][ T8785] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 445.192398][ T8785] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 445.192400][ T8785] ? register_netdev (net/core/dev.c:11618) [ 445.192401][ T8785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 445.192403][ T8785] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 445.192405][ T8785] ? __kernel_text_address (kernel/extable.c:79) [ 445.192408][ T8785] ? write_profile (profile.c:?) [ 445.192411][ T8785] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 445.192415][ T8785] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 445.192416][ T8785] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 445.192418][ T8785] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 445.192419][ T8785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.192420][ T8785] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 445.192423][ T8785] ? kasan_save_stack (mm/kasan/common.c:58) [ 445.192425][ T8785] ? kasan_save_stack (mm/kasan/common.c:57) [ 445.192426][ T8785] ? kasan_save_track (mm/kasan/common.c:78) [ 445.192427][ T8785] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 445.192428][ T8785] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 445.192429][ T8785] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 445.192430][ T8785] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 445.192432][ T8785] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 445.192435][ T8785] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 445.192437][ T8785] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 445.192438][ T8785] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 445.192441][ T8785] ? ____sys_sendmsg (net/socket.c:2713) [ 445.192442][ T8785] ? ___sys_sendmsg (net/socket.c:2767) [ 445.192443][ T8785] ? __sys_sendmsg (net/socket.c:2799) [ 445.192445][ T8785] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 445.192447][ T8785] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 445.192450][ T8785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.192451][ T8785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 445.192452][ T8785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.192453][ T8785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.192454][ T8785] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 445.192456][ T8785] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 445.192457][ T8785] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 445.192459][ T8785] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 445.192460][ T8785] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 445.192461][ T8785] ? nla_get_range_signed (lib/nlattr.c:270) [ 445.192465][ T8785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.192466][ T8785] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 445.192468][ T8785] rtnl_newlink (net/core/rtnetlink.c:4215) [ 445.192470][ T8785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.192471][ T8785] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 445.192472][ T8785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 445.192474][ T8785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.192475][ T8785] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 445.192478][ T8785] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 445.192479][ T8785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 445.192480][ T8785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.192481][ T8785] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 445.192485][ T8785] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 445.192487][ T8785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.192488][ T8785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 445.192490][ T8785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.192491][ T8785] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 445.192492][ T8785] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 445.192494][ T8785] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 445.192495][ T8785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 445.192497][ T8785] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 445.192499][ T8785] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 445.192501][ T8785] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 445.192502][ T8785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 445.192504][ T8785] ? netlink_ack (./include/linux/skbuff.h:2718) [ 445.192505][ T8785] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 445.192508][ T8785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.192510][ T8785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 445.192512][ T8785] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 445.192514][ T8785] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 445.192520][ T8785] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 445.192521][ T8785] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 445.192524][ T8785] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 445.192525][ T8785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 445.192527][ T8785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 445.192529][ T8785] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 445.192532][ T8785] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 445.192534][ T8785] ____sys_sendmsg (net/socket.c:2713) [ 445.192535][ T8785] ? copy_msghdr_from_user (net/socket.c:2650) [ 445.192537][ T8785] ? sock_write_iter (net/socket.c:1269) [ 445.192539][ T8785] ? move_addr_to_kernel (net/socket.c:258) [ 445.192540][ T8785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 445.192543][ T8785] ___sys_sendmsg (net/socket.c:2767) [ 445.192545][ T8785] ? copy_msghdr_from_user (net/socket.c:2619) [ 445.192549][ T8785] __sys_sendmsg (net/socket.c:2799) [ 445.192551][ T8785] ? __sys_sendmsg_sock (net/socket.c:2780) [ 445.192554][ T8785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 445.192556][ T8785] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 445.192557][ T8785] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 445.192559][ T8785] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 445.192561][ T8785] RIP: 0033:0x7fc3b53f954e [ 445.192563][ T8785] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 445.192564][ T8785] RSP: 002b:00007fff7baef130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 445.192568][ T8785] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc3b53f954e [ 445.192570][ T8785] RDX: 0000000000000000 RSI: 00007fff7baef1e0 RDI: 0000000000000005 [ 445.192571][ T8785] RBP: 00007fff7baef140 R08: 0000000000000000 R09: 0000000000000000 [ 445.192571][ T8785] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918fce [ 445.192572][ T8785] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7baef8a0 | [ 446.247020][ T8835] softirqs last disabled at (0): 0x0 | [ 446.247022][ T8835] Preemption disabled at: | [ 446.247023][ T8835] vprintk_emit (kernel/printk/printk.c:2471) | [ 446.247034][ T8835] Tainted: [W]=WARN [ 446.247035][ T8835] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 446.247036][ T8835] Call Trace: [ 446.247038][ T8835] [ 446.247039][ T8835] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 446.247045][ T8835] ? vprintk_emit (kernel/printk/printk.c:2471) [ 446.247047][ T8835] __might_resched.cold (kernel/sched/core.c:9234) [ 446.247051][ T8835] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 446.247053][ T8835] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 446.247056][ T8835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.247059][ T8835] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 446.247062][ T8835] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 446.247065][ T8835] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 446.247070][ T8835] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 446.247072][ T8835] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 446.247074][ T8835] put_chars (drivers/char/virtio_console.c:1176) [ 446.247076][ T8835] ? __send_to_port (drivers/char/virtio_console.c:654) [ 446.247078][ T8835] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 446.247080][ T8835] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 446.247085][ T8835] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 446.247087][ T8835] ? vsnprintf (lib/vsprintf.c:2900) [ 446.247090][ T8835] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 446.247092][ T8835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.247093][ T8835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.247095][ T8835] console_emit_next_record (kernel/printk/printk.c:3183) [ 446.247097][ T8835] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 446.247099][ T8835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.247100][ T8835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.247101][ T8835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.247102][ T8835] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 446.247105][ T8835] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 446.247107][ T8835] console_flush_one_record (kernel/printk/printk.c:3268) [ 446.247109][ T8835] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 446.247112][ T8835] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 446.247114][ T8835] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 446.247116][ T8835] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 446.247118][ T8835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.247119][ T8835] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 446.247120][ T8835] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 446.247122][ T8835] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 446.247123][ T8835] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 446.247125][ T8835] ? vprintk_emit (kernel/printk/printk.c:2478) [ 446.247127][ T8835] vprintk_emit (kernel/printk/printk.c:2479) [ 446.247129][ T8835] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 446.247130][ T8835] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 446.247132][ T8835] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 446.247135][ T8835] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 446.247136][ T8835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.247138][ T8835] _printk (kernel/printk/printk.c:2504) [ 446.247140][ T8835] ? snapshot_read.cold (user.c:?) [ 446.247143][ T8835] ? br_multicast_flood (??:?) [ 446.247146][ T8835] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 446.247149][ T8835] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 446.247150][ T8835] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 446.247152][ T8835] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 446.247155][ T8835] br_init_port (net/bridge/br_stp_if.c:39) [ 446.247157][ T8835] new_nbp (net/bridge/br_if.c:449) [ 446.247159][ T8835] br_add_if (net/bridge/br_if.c:592) [ 446.247161][ T8835] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 446.247165][ T8835] do_set_master (net/core/rtnetlink.c:3071) [ 446.247167][ T8835] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 446.247168][ T8835] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 446.247170][ T8835] ? __dev_get_by_name (net/core/dev.c:905) [ 446.247172][ T8835] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 446.247175][ T8835] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 446.247180][ T8835] rtnl_newlink (net/core/rtnetlink.c:4215) [ 446.247182][ T8835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.247184][ T8835] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 446.247185][ T8835] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 446.247186][ T8835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.247188][ T8835] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 446.247191][ T8835] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 446.247193][ T8835] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 446.247195][ T8835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.247196][ T8835] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 446.247198][ T8835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.247199][ T8835] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 446.247200][ T8835] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 446.247202][ T8835] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 446.247204][ T8835] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 446.247205][ T8835] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 446.247209][ T8835] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 446.247212][ T8835] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 446.247213][ T8835] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 446.247215][ T8835] ? netlink_ack (./include/linux/skbuff.h:2718) [ 446.247217][ T8835] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 446.247220][ T8835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.247221][ T8835] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 446.247223][ T8835] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 446.247225][ T8835] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 446.247227][ T8835] ? next_uptodate_folio (mm/filemap.c:3747) [ 446.247230][ T8835] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 446.247232][ T8835] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 446.247234][ T8835] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 446.247236][ T8835] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 446.247239][ T8835] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 446.247242][ T8835] ____sys_sendmsg (net/socket.c:2713) [ 446.247244][ T8835] ? copy_msghdr_from_user (net/socket.c:2650) [ 446.247246][ T8835] ? sock_write_iter (net/socket.c:1269) [ 446.247247][ T8835] ? move_addr_to_kernel (net/socket.c:258) [ 446.247249][ T8835] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 446.247252][ T8835] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 446.247254][ T8835] ___sys_sendmsg (net/socket.c:2767) [ 446.247255][ T8835] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 446.247257][ T8835] ? copy_msghdr_from_user (net/socket.c:2619) [ 446.247259][ T8835] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 446.247263][ T8835] __sys_sendmsg (net/socket.c:2799) [ 446.247266][ T8835] ? __sys_sendmsg_sock (net/socket.c:2780) [ 446.247268][ T8835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.247269][ T8835] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 446.247271][ T8835] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 446.247273][ T8835] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 446.247275][ T8835] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 446.247277][ T8835] RIP: 0033:0x7fd15dc8a54e [ 446.247279][ T8835] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 446.247281][ T8835] RSP: 002b:00007ffe5aa689a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 446.247285][ T8835] RAX: ffffffffffffffda RBX: 00007ffe5aa69168 RCX: 00007fd15dc8a54e [ 446.247286][ T8835] RDX: 0000000000000000 RSI: 00007ffe5aa68a50 RDI: 0000000000000005 [ 446.247287][ T8835] RBP: 00007ffe5aa689b0 R08: 0000000000000000 R09: 0000000000000000 [ 446.247288][ T8835] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918fcf [ 446.247289][ T8835] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5aa69120 | [ 453.984341][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 453.984344][ T69] Preemption disabled at: | [ 453.984345][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 453.984355][ T69] Tainted: [W]=WARN [ 453.984356][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 453.984358][ T69] Workqueue: netns cleanup_net [ 453.984363][ T69] Call Trace: [ 453.984365][ T69] [ 453.984367][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 453.984372][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 453.984374][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 453.984377][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 453.984380][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 453.984383][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 453.984385][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 453.984388][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 453.984391][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 453.984396][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 453.984397][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 453.984400][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 453.984402][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 453.984403][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 453.984406][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 453.984411][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 453.984412][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 453.984415][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 453.984416][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 453.984417][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 453.984419][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 453.984422][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 453.984424][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 453.984425][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 453.984426][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 453.984427][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 453.984429][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 453.984431][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 453.984434][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 453.984436][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 453.984438][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 453.984440][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 453.984442][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 453.984443][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 453.984444][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 453.984446][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 453.984447][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 453.984449][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 453.984451][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 453.984453][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 453.984454][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 453.984455][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 453.984458][ T69] ? kthread (kernel/kthread.c:436) [ 453.984460][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 453.984463][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 453.984465][ T69] _printk (kernel/printk/printk.c:2504) [ 453.984468][ T69] ? snapshot_read.cold (user.c:?) [ 453.984471][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 453.984474][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 453.984476][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 453.984478][ T69] ? netdev_notice (net/core/dev.c:13194) [ 453.984480][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 453.984482][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 453.984483][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 453.984486][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 453.984487][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 453.984489][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 453.984491][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 453.984494][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 453.984498][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 453.984500][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 453.984502][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 453.984504][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 453.984506][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 453.984509][ T69] cleanup_net (net/core/net_namespace.c:706) [ 453.984511][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 453.984513][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 453.984514][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 453.984516][ T69] process_one_work (kernel/workqueue.c:3387) [ 453.984519][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 453.984522][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 453.984524][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 453.984526][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 453.984528][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 453.984530][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 453.984532][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 453.984534][ T69] kthread (kernel/kthread.c:436) [ 453.984535][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 453.984537][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 453.984539][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 453.984541][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 453.984543][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 453.984546][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 453.984553][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 455.165749][ T9055] softirqs last disabled at (0): 0x0 | [ 455.165751][ T9055] Preemption disabled at: | [ 455.165752][ T9055] vprintk_emit (kernel/printk/printk.c:2471) | [ 455.165762][ T9055] Tainted: [W]=WARN [ 455.165764][ T9055] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 455.165766][ T9055] Call Trace: [ 455.165767][ T9055] [ 455.165768][ T9055] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 455.165774][ T9055] ? vprintk_emit (kernel/printk/printk.c:2471) [ 455.165775][ T9055] __might_resched.cold (kernel/sched/core.c:9234) [ 455.165779][ T9055] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 455.165781][ T9055] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 455.165784][ T9055] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.165786][ T9055] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 455.165790][ T9055] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 455.165793][ T9055] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 455.165798][ T9055] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 455.165800][ T9055] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 455.165802][ T9055] put_chars (drivers/char/virtio_console.c:1176) [ 455.165804][ T9055] ? __send_to_port (drivers/char/virtio_console.c:654) [ 455.165806][ T9055] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 455.165808][ T9055] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 455.165813][ T9055] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 455.165815][ T9055] ? vsnprintf (lib/vsprintf.c:2900) [ 455.165819][ T9055] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 455.165820][ T9055] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.165821][ T9055] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.165823][ T9055] console_emit_next_record (kernel/printk/printk.c:3183) [ 455.165826][ T9055] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 455.165828][ T9055] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.165829][ T9055] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.165830][ T9055] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.165831][ T9055] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 455.165834][ T9055] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 455.165836][ T9055] console_flush_one_record (kernel/printk/printk.c:3268) [ 455.165838][ T9055] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 455.165841][ T9055] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 455.165843][ T9055] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 455.165844][ T9055] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 455.165846][ T9055] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.165847][ T9055] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 455.165849][ T9055] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 455.165850][ T9055] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 455.165852][ T9055] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 455.165854][ T9055] ? vprintk_emit (kernel/printk/printk.c:2478) [ 455.165855][ T9055] vprintk_emit (kernel/printk/printk.c:2479) [ 455.165857][ T9055] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 455.165858][ T9055] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 455.165860][ T9055] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 455.165863][ T9055] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 455.165864][ T9055] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.165866][ T9055] _printk (kernel/printk/printk.c:2504) [ 455.165869][ T9055] ? snapshot_read.cold (user.c:?) [ 455.165871][ T9055] ? br_multicast_flood (??:?) [ 455.165875][ T9055] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 455.165878][ T9055] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 455.165879][ T9055] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 455.165881][ T9055] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 455.165883][ T9055] br_init_port (net/bridge/br_stp_if.c:39) [ 455.165885][ T9055] new_nbp (net/bridge/br_if.c:449) [ 455.165887][ T9055] br_add_if (net/bridge/br_if.c:592) [ 455.165889][ T9055] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 455.165893][ T9055] do_set_master (net/core/rtnetlink.c:3071) [ 455.165895][ T9055] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 455.165897][ T9055] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 455.165899][ T9055] ? __dev_get_by_name (net/core/dev.c:905) [ 455.165901][ T9055] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 455.165904][ T9055] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 455.165907][ T9055] rtnl_newlink (net/core/rtnetlink.c:4215) [ 455.165909][ T9055] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.165910][ T9055] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 455.165911][ T9055] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 455.165913][ T9055] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.165914][ T9055] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 455.165917][ T9055] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 455.165919][ T9055] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 455.165921][ T9055] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.165922][ T9055] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 455.165924][ T9055] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.165925][ T9055] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 455.165927][ T9055] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 455.165929][ T9055] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 455.165930][ T9055] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 455.165931][ T9055] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 455.165935][ T9055] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 455.165939][ T9055] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 455.165940][ T9055] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 455.165942][ T9055] ? netlink_ack (./include/linux/skbuff.h:2718) [ 455.165943][ T9055] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 455.165946][ T9055] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.165947][ T9055] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 455.165949][ T9055] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 455.165951][ T9055] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 455.165953][ T9055] ? next_uptodate_folio (mm/filemap.c:3747) [ 455.165957][ T9055] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 455.165959][ T9055] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 455.165961][ T9055] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 455.165962][ T9055] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 455.165966][ T9055] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 455.165969][ T9055] ____sys_sendmsg (net/socket.c:2713) [ 455.165971][ T9055] ? copy_msghdr_from_user (net/socket.c:2650) [ 455.165973][ T9055] ? sock_write_iter (net/socket.c:1269) [ 455.165974][ T9055] ? move_addr_to_kernel (net/socket.c:258) [ 455.165976][ T9055] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 455.165979][ T9055] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 455.165981][ T9055] ___sys_sendmsg (net/socket.c:2767) [ 455.165982][ T9055] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 455.165984][ T9055] ? copy_msghdr_from_user (net/socket.c:2619) [ 455.165986][ T9055] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 455.165991][ T9055] __sys_sendmsg (net/socket.c:2799) [ 455.165993][ T9055] ? __sys_sendmsg_sock (net/socket.c:2780) [ 455.165995][ T9055] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.165997][ T9055] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.165998][ T9055] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 455.166001][ T9055] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 455.166003][ T9055] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 455.166005][ T9055] RIP: 0033:0x7f7e51f0554e [ 455.166007][ T9055] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 455.166009][ T9055] RSP: 002b:00007ffd96093e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 455.166013][ T9055] RAX: ffffffffffffffda RBX: 00007ffd96094618 RCX: 00007f7e51f0554e [ 455.166015][ T9055] RDX: 0000000000000000 RSI: 00007ffd96093f00 RDI: 0000000000000005 [ 455.166015][ T9055] RBP: 00007ffd96093e60 R08: 0000000000000000 R09: 0000000000000000 [ 455.166016][ T9055] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918fd8 [ 455.166017][ T9055] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd960945d0 | [ 456.438820][ T9123] softirqs last disabled at (0): 0x0 | [ 456.438822][ T9123] Preemption disabled at: | [ 456.438823][ T9123] vprintk_emit (kernel/printk/printk.c:2471) | [ 456.438832][ T9123] Tainted: [W]=WARN [ 456.438833][ T9123] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 456.438835][ T9123] Call Trace: [ 456.438836][ T9123] [ 456.438838][ T9123] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 456.438843][ T9123] ? vprintk_emit (kernel/printk/printk.c:2471) [ 456.438845][ T9123] __might_resched.cold (kernel/sched/core.c:9234) [ 456.438849][ T9123] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 456.438852][ T9123] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 456.438855][ T9123] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 456.438858][ T9123] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 456.438861][ T9123] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 456.438866][ T9123] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 456.438868][ T9123] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 456.438870][ T9123] put_chars (drivers/char/virtio_console.c:1176) [ 456.438872][ T9123] ? __send_to_port (drivers/char/virtio_console.c:654) [ 456.438873][ T9123] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 456.438876][ T9123] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 456.438878][ T9123] ? pointer (lib/vsprintf.c:2577) [ 456.438881][ T9123] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 456.438886][ T9123] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 456.438888][ T9123] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 456.438889][ T9123] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 456.438892][ T9123] console_emit_next_record (kernel/printk/printk.c:3183) [ 456.438894][ T9123] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 456.438897][ T9123] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 456.438898][ T9123] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 456.438899][ T9123] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 456.438900][ T9123] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 456.438902][ T9123] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 456.438903][ T9123] console_flush_one_record (kernel/printk/printk.c:3268) [ 456.438906][ T9123] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 456.438909][ T9123] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 456.438910][ T9123] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 456.438912][ T9123] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 456.438914][ T9123] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 456.438915][ T9123] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 456.438916][ T9123] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 456.438918][ T9123] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 456.438919][ T9123] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 456.438921][ T9123] ? vprintk_emit (kernel/printk/printk.c:2478) [ 456.438922][ T9123] vprintk_emit (kernel/printk/printk.c:2479) [ 456.438924][ T9123] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 456.438925][ T9123] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 456.438928][ T9123] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 456.438931][ T9123] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 456.438933][ T9123] _printk (kernel/printk/printk.c:2504) [ 456.438937][ T9123] ? snapshot_read.cold (user.c:?) [ 456.438938][ T9123] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 456.438941][ T9123] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 456.438944][ T9123] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 456.438946][ T9123] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 456.438949][ T9123] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 456.438951][ T9123] ? netdev_notice (net/core/dev.c:13194) [ 456.438953][ T9123] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 456.438955][ T9123] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 456.438957][ T9123] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 456.438959][ T9123] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 456.438960][ T9123] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 456.438961][ T9123] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 456.438962][ T9123] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 456.438964][ T9123] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 456.438965][ T9123] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 456.438966][ T9123] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 456.438968][ T9123] ? register_netdev (net/core/dev.c:11618) [ 456.438970][ T9123] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 456.438971][ T9123] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 456.438974][ T9123] ? __kernel_text_address (kernel/extable.c:79) [ 456.438976][ T9123] ? write_profile (profile.c:?) [ 456.438979][ T9123] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 456.438983][ T9123] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 456.438984][ T9123] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 456.438986][ T9123] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 456.438987][ T9123] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 456.438988][ T9123] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 456.438992][ T9123] ? kasan_save_stack (mm/kasan/common.c:58) [ 456.438994][ T9123] ? kasan_save_stack (mm/kasan/common.c:57) [ 456.438995][ T9123] ? kasan_save_track (mm/kasan/common.c:78) [ 456.438996][ T9123] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 456.438997][ T9123] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 456.438998][ T9123] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 456.438999][ T9123] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 456.439000][ T9123] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 456.439004][ T9123] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 456.439005][ T9123] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 456.439007][ T9123] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 456.439009][ T9123] ? ____sys_sendmsg (net/socket.c:2713) [ 456.439011][ T9123] ? ___sys_sendmsg (net/socket.c:2767) [ 456.439012][ T9123] ? __sys_sendmsg (net/socket.c:2799) [ 456.439014][ T9123] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 456.439016][ T9123] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 456.439019][ T9123] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 456.439020][ T9123] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 456.439021][ T9123] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 456.439022][ T9123] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 456.439023][ T9123] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 456.439025][ T9123] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 456.439026][ T9123] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 456.439027][ T9123] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 456.439029][ T9123] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 456.439030][ T9123] ? nla_get_range_signed (lib/nlattr.c:270) [ 456.439033][ T9123] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 456.439035][ T9123] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 456.439037][ T9123] rtnl_newlink (net/core/rtnetlink.c:4215) [ 456.439039][ T9123] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 456.439040][ T9123] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 456.439041][ T9123] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 456.439043][ T9123] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 456.439044][ T9123] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 456.439046][ T9123] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 456.439048][ T9123] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 456.439049][ T9123] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 456.439050][ T9123] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 456.439054][ T9123] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 456.439056][ T9123] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 456.439057][ T9123] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 456.439059][ T9123] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 456.439060][ T9123] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 456.439061][ T9123] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 456.439063][ T9123] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 456.439064][ T9123] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 456.439066][ T9123] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 456.439068][ T9123] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 456.439070][ T9123] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 456.439071][ T9123] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 456.439073][ T9123] ? netlink_ack (./include/linux/skbuff.h:2718) [ 456.439075][ T9123] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 456.439077][ T9123] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 456.439079][ T9123] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 456.439081][ T9123] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 456.439083][ T9123] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 456.439084][ T9123] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 456.439086][ T9123] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 456.439088][ T9123] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 456.439090][ T9123] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 456.439092][ T9123] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 456.439093][ T9123] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 456.439096][ T9123] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 456.439098][ T9123] ____sys_sendmsg (net/socket.c:2713) [ 456.439100][ T9123] ? copy_msghdr_from_user (net/socket.c:2650) [ 456.439101][ T9123] ? sock_write_iter (net/socket.c:1269) [ 456.439103][ T9123] ? move_addr_to_kernel (net/socket.c:258) [ 456.439104][ T9123] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 456.439107][ T9123] ___sys_sendmsg (net/socket.c:2767) [ 456.439109][ T9123] ? copy_msghdr_from_user (net/socket.c:2619) [ 456.439113][ T9123] __sys_sendmsg (net/socket.c:2799) [ 456.439115][ T9123] ? __sys_sendmsg_sock (net/socket.c:2780) [ 456.439118][ T9123] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 456.439119][ T9123] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 456.439121][ T9123] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 456.439123][ T9123] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 456.439125][ T9123] RIP: 0033:0x7f3a1b00b54e [ 456.439127][ T9123] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 456.439128][ T9123] RSP: 002b:00007ffc52529b80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 456.439132][ T9123] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f3a1b00b54e [ 456.439133][ T9123] RDX: 0000000000000000 RSI: 00007ffc52529c30 RDI: 0000000000000005 [ 456.439134][ T9123] RBP: 00007ffc52529b90 R08: 0000000000000000 R09: 0000000000000000 [ 456.439135][ T9123] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918fd9 [ 456.439136][ T9123] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5252a2f0 | [ 457.513510][ T9181] softirqs last disabled at (0): 0x0 | [ 457.513512][ T9181] Preemption disabled at: | [ 457.513512][ T9181] vprintk_emit (kernel/printk/printk.c:2471) | [ 457.513522][ T9181] Tainted: [W]=WARN [ 457.513523][ T9181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 457.513525][ T9181] Call Trace: [ 457.513527][ T9181] [ 457.513528][ T9181] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 457.513534][ T9181] ? vprintk_emit (kernel/printk/printk.c:2471) [ 457.513535][ T9181] __might_resched.cold (kernel/sched/core.c:9234) [ 457.513539][ T9181] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 457.513542][ T9181] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 457.513545][ T9181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 457.513548][ T9181] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 457.513551][ T9181] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 457.513554][ T9181] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 457.513559][ T9181] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 457.513564][ T9181] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 457.513567][ T9181] put_chars (drivers/char/virtio_console.c:1176) [ 457.513569][ T9181] ? __send_to_port (drivers/char/virtio_console.c:654) [ 457.513571][ T9181] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 457.513573][ T9181] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 457.513578][ T9181] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 457.513580][ T9181] ? vsnprintf (lib/vsprintf.c:2900) [ 457.513583][ T9181] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 457.513585][ T9181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 457.513586][ T9181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 457.513588][ T9181] console_emit_next_record (kernel/printk/printk.c:3183) [ 457.513591][ T9181] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 457.513593][ T9181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 457.513594][ T9181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 457.513595][ T9181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 457.513596][ T9181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 457.513599][ T9181] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 457.513601][ T9181] console_flush_one_record (kernel/printk/printk.c:3268) [ 457.513603][ T9181] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 457.513606][ T9181] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 457.513608][ T9181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 457.513609][ T9181] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 457.513611][ T9181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 457.513612][ T9181] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 457.513614][ T9181] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 457.513615][ T9181] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 457.513617][ T9181] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 457.513618][ T9181] ? vprintk_emit (kernel/printk/printk.c:2478) [ 457.513620][ T9181] vprintk_emit (kernel/printk/printk.c:2479) [ 457.513622][ T9181] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 457.513623][ T9181] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 457.513625][ T9181] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 457.513628][ T9181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 457.513629][ T9181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 457.513631][ T9181] _printk (kernel/printk/printk.c:2504) [ 457.513634][ T9181] ? snapshot_read.cold (user.c:?) [ 457.513636][ T9181] ? br_multicast_flood (??:?) [ 457.513639][ T9181] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 457.513642][ T9181] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 457.513643][ T9181] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 457.513645][ T9181] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 457.513648][ T9181] br_init_port (net/bridge/br_stp_if.c:39) [ 457.513649][ T9181] new_nbp (net/bridge/br_if.c:449) [ 457.513652][ T9181] br_add_if (net/bridge/br_if.c:592) [ 457.513654][ T9181] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 457.513658][ T9181] do_set_master (net/core/rtnetlink.c:3071) [ 457.513660][ T9181] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 457.513661][ T9181] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 457.513663][ T9181] ? __dev_get_by_name (net/core/dev.c:905) [ 457.513665][ T9181] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 457.513668][ T9181] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 457.513671][ T9181] rtnl_newlink (net/core/rtnetlink.c:4215) [ 457.513673][ T9181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 457.513674][ T9181] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 457.513675][ T9181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 457.513677][ T9181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 457.513678][ T9181] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 457.513681][ T9181] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 457.513683][ T9181] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 457.513685][ T9181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 457.513686][ T9181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 457.513688][ T9181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 457.513689][ T9181] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 457.513690][ T9181] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 457.513692][ T9181] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 457.513693][ T9181] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 457.513695][ T9181] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 457.513699][ T9181] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 457.513702][ T9181] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 457.513703][ T9181] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 457.513705][ T9181] ? netlink_ack (./include/linux/skbuff.h:2718) [ 457.513706][ T9181] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 457.513709][ T9181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 457.513710][ T9181] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 457.513712][ T9181] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 457.513715][ T9181] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 457.513717][ T9181] ? next_uptodate_folio (mm/filemap.c:3747) [ 457.513720][ T9181] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 457.513722][ T9181] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 457.513724][ T9181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 457.513725][ T9181] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 457.513729][ T9181] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 457.513732][ T9181] ____sys_sendmsg (net/socket.c:2713) [ 457.513733][ T9181] ? copy_msghdr_from_user (net/socket.c:2650) [ 457.513735][ T9181] ? sock_write_iter (net/socket.c:1269) [ 457.513736][ T9181] ? move_addr_to_kernel (net/socket.c:258) [ 457.513739][ T9181] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 457.513741][ T9181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 457.513743][ T9181] ___sys_sendmsg (net/socket.c:2767) [ 457.513745][ T9181] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 457.513746][ T9181] ? copy_msghdr_from_user (net/socket.c:2619) [ 457.513748][ T9181] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 457.513753][ T9181] __sys_sendmsg (net/socket.c:2799) [ 457.513755][ T9181] ? __sys_sendmsg_sock (net/socket.c:2780) [ 457.513757][ T9181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 457.513759][ T9181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 457.513760][ T9181] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 457.513763][ T9181] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 457.513765][ T9181] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 457.513767][ T9181] RIP: 0033:0x7eff199bb54e [ 457.513769][ T9181] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 457.513770][ T9181] RSP: 002b:00007fff5dd402a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 457.513774][ T9181] RAX: ffffffffffffffda RBX: 00007fff5dd40a68 RCX: 00007eff199bb54e [ 457.513775][ T9181] RDX: 0000000000000000 RSI: 00007fff5dd40350 RDI: 0000000000000005 [ 457.513776][ T9181] RBP: 00007fff5dd402b0 R08: 0000000000000000 R09: 0000000000000000 [ 457.513777][ T9181] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918fda [ 457.513778][ T9181] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5dd40a20 | [ 465.267936][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 465.267939][ T69] Preemption disabled at: | [ 465.267940][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 465.267951][ T69] Tainted: [W]=WARN [ 465.267951][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 465.267954][ T69] Workqueue: netns cleanup_net [ 465.267959][ T69] Call Trace: [ 465.267961][ T69] [ 465.267962][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 465.267968][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 465.267969][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 465.267973][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 465.267975][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 465.267978][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 465.267981][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 465.267984][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 465.267987][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 465.267991][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 465.267993][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 465.267996][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 465.267998][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 465.267999][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 465.268002][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 465.268007][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 465.268009][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 465.268011][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 465.268013][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 465.268014][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 465.268016][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 465.268018][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 465.268021][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 465.268022][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 465.268023][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 465.268024][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 465.268026][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 465.268028][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 465.268031][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 465.268034][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 465.268036][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 465.268037][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 465.268039][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 465.268040][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 465.268042][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 465.268043][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 465.268045][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 465.268047][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 465.268048][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 465.268050][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 465.268051][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 465.268053][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 465.268056][ T69] ? kthread (kernel/kthread.c:436) [ 465.268058][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 465.268060][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 465.268063][ T69] _printk (kernel/printk/printk.c:2504) [ 465.268066][ T69] ? snapshot_read.cold (user.c:?) [ 465.268069][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 465.268072][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 465.268074][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 465.268077][ T69] ? netdev_notice (net/core/dev.c:13194) [ 465.268079][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 465.268080][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 465.268082][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 465.268085][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 465.268086][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 465.268088][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 465.268090][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 465.268092][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 465.268096][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 465.268099][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 465.268101][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 465.268103][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 465.268105][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 465.268108][ T69] cleanup_net (net/core/net_namespace.c:706) [ 465.268110][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 465.268112][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 465.268113][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 465.268115][ T69] process_one_work (kernel/workqueue.c:3387) [ 465.268118][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 465.268121][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 465.268123][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 465.268125][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 465.268128][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 465.268129][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 465.268131][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 465.268133][ T69] kthread (kernel/kthread.c:436) [ 465.268135][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 465.268136][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 465.268138][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 465.268140][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 465.268142][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 465.268145][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 465.268147][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 466.479910][ T9399] softirqs last disabled at (0): 0x0 | [ 466.479912][ T9399] Preemption disabled at: | [ 466.479913][ T9399] vprintk_emit (kernel/printk/printk.c:2471) | [ 466.479923][ T9399] Tainted: [W]=WARN [ 466.479924][ T9399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 466.479926][ T9399] Call Trace: [ 466.479928][ T9399] [ 466.479929][ T9399] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 466.479935][ T9399] ? vprintk_emit (kernel/printk/printk.c:2471) [ 466.479936][ T9399] __might_resched.cold (kernel/sched/core.c:9234) [ 466.479940][ T9399] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 466.479942][ T9399] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 466.479946][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.479948][ T9399] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 466.479951][ T9399] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 466.479954][ T9399] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 466.479959][ T9399] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 466.479961][ T9399] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 466.479964][ T9399] put_chars (drivers/char/virtio_console.c:1176) [ 466.479966][ T9399] ? __send_to_port (drivers/char/virtio_console.c:654) [ 466.479967][ T9399] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 466.479970][ T9399] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 466.479975][ T9399] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 466.479976][ T9399] ? vsnprintf (lib/vsprintf.c:2900) [ 466.479979][ T9399] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 466.479981][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.479982][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.479984][ T9399] console_emit_next_record (kernel/printk/printk.c:3183) [ 466.479987][ T9399] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 466.479989][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.479990][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.479991][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.479992][ T9399] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 466.479995][ T9399] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 466.479997][ T9399] console_flush_one_record (kernel/printk/printk.c:3268) [ 466.479999][ T9399] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 466.480002][ T9399] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 466.480004][ T9399] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 466.480005][ T9399] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 466.480007][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.480008][ T9399] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 466.480010][ T9399] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 466.480011][ T9399] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 466.480013][ T9399] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 466.480015][ T9399] ? vprintk_emit (kernel/printk/printk.c:2478) [ 466.480016][ T9399] vprintk_emit (kernel/printk/printk.c:2479) [ 466.480018][ T9399] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 466.480019][ T9399] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 466.480021][ T9399] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 466.480024][ T9399] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 466.480026][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.480027][ T9399] _printk (kernel/printk/printk.c:2504) [ 466.480030][ T9399] ? snapshot_read.cold (user.c:?) [ 466.480032][ T9399] ? br_multicast_flood (??:?) [ 466.480036][ T9399] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 466.480039][ T9399] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 466.480040][ T9399] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 466.480042][ T9399] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 466.480045][ T9399] br_init_port (net/bridge/br_stp_if.c:39) [ 466.480047][ T9399] new_nbp (net/bridge/br_if.c:449) [ 466.480049][ T9399] br_add_if (net/bridge/br_if.c:592) [ 466.480051][ T9399] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 466.480055][ T9399] do_set_master (net/core/rtnetlink.c:3071) [ 466.480057][ T9399] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 466.480059][ T9399] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 466.480060][ T9399] ? __dev_get_by_name (net/core/dev.c:905) [ 466.480062][ T9399] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 466.480065][ T9399] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 466.480068][ T9399] rtnl_newlink (net/core/rtnetlink.c:4215) [ 466.480070][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.480071][ T9399] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 466.480073][ T9399] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 466.480074][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.480076][ T9399] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 466.480078][ T9399] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 466.480080][ T9399] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 466.480083][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.480084][ T9399] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 466.480085][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.480087][ T9399] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 466.480088][ T9399] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 466.480090][ T9399] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 466.480091][ T9399] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 466.480093][ T9399] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 466.480097][ T9399] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 466.480100][ T9399] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 466.480101][ T9399] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 466.480103][ T9399] ? netlink_ack (./include/linux/skbuff.h:2718) [ 466.480105][ T9399] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 466.480108][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.480109][ T9399] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 466.480111][ T9399] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 466.480113][ T9399] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 466.480115][ T9399] ? next_uptodate_folio (mm/filemap.c:3747) [ 466.480118][ T9399] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 466.480120][ T9399] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 466.480123][ T9399] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 466.480124][ T9399] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 466.480128][ T9399] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 466.480131][ T9399] ____sys_sendmsg (net/socket.c:2713) [ 466.480132][ T9399] ? copy_msghdr_from_user (net/socket.c:2650) [ 466.480134][ T9399] ? sock_write_iter (net/socket.c:1269) [ 466.480136][ T9399] ? move_addr_to_kernel (net/socket.c:258) [ 466.480138][ T9399] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 466.480140][ T9399] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 466.480142][ T9399] ___sys_sendmsg (net/socket.c:2767) [ 466.480144][ T9399] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 466.480146][ T9399] ? copy_msghdr_from_user (net/socket.c:2619) [ 466.480148][ T9399] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 466.480152][ T9399] __sys_sendmsg (net/socket.c:2799) [ 466.480154][ T9399] ? __sys_sendmsg_sock (net/socket.c:2780) [ 466.480157][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.480158][ T9399] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 466.480160][ T9399] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 466.480162][ T9399] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 466.480164][ T9399] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 466.480167][ T9399] RIP: 0033:0x7f0ccf81554e [ 466.480169][ T9399] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 466.480171][ T9399] RSP: 002b:00007ffe85d70e10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 466.480174][ T9399] RAX: ffffffffffffffda RBX: 00007ffe85d715d8 RCX: 00007f0ccf81554e [ 466.480176][ T9399] RDX: 0000000000000000 RSI: 00007ffe85d70ec0 RDI: 0000000000000005 [ 466.480177][ T9399] RBP: 00007ffe85d70e20 R08: 0000000000000000 R09: 0000000000000000 [ 466.480178][ T9399] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918fe3 [ 466.480181][ T9399] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe85d71590 | [ 467.774182][ T9469] softirqs last disabled at (0): 0x0 | [ 467.774184][ T9469] Preemption disabled at: | [ 467.774185][ T9469] vprintk_emit (kernel/printk/printk.c:2471) | [ 467.774196][ T9469] Tainted: [W]=WARN [ 467.774197][ T9469] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 467.774198][ T9469] Call Trace: [ 467.774200][ T9469] [ 467.774201][ T9469] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 467.774206][ T9469] ? vprintk_emit (kernel/printk/printk.c:2471) [ 467.774208][ T9469] __might_resched.cold (kernel/sched/core.c:9234) [ 467.774212][ T9469] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 467.774215][ T9469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.774218][ T9469] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 467.774221][ T9469] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 467.774224][ T9469] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 467.774229][ T9469] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 467.774231][ T9469] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 467.774234][ T9469] put_chars (drivers/char/virtio_console.c:1176) [ 467.774236][ T9469] ? __send_to_port (drivers/char/virtio_console.c:654) [ 467.774237][ T9469] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 467.774240][ T9469] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 467.774242][ T9469] ? pointer (lib/vsprintf.c:2577) [ 467.774246][ T9469] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 467.774251][ T9469] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 467.774252][ T9469] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 467.774254][ T9469] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 467.774257][ T9469] console_emit_next_record (kernel/printk/printk.c:3183) [ 467.774260][ T9469] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 467.774262][ T9469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.774263][ T9469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.774264][ T9469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.774265][ T9469] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 467.774267][ T9469] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 467.774269][ T9469] console_flush_one_record (kernel/printk/printk.c:3268) [ 467.774271][ T9469] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 467.774274][ T9469] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 467.774276][ T9469] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 467.774277][ T9469] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 467.774279][ T9469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.774280][ T9469] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 467.774281][ T9469] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 467.774283][ T9469] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 467.774284][ T9469] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 467.774287][ T9469] ? vprintk_emit (kernel/printk/printk.c:2478) [ 467.774288][ T9469] vprintk_emit (kernel/printk/printk.c:2479) [ 467.774290][ T9469] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 467.774291][ T9469] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 467.774293][ T9469] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 467.774296][ T9469] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 467.774299][ T9469] _printk (kernel/printk/printk.c:2504) [ 467.774302][ T9469] ? snapshot_read.cold (user.c:?) [ 467.774304][ T9469] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 467.774306][ T9469] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 467.774309][ T9469] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 467.774311][ T9469] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 467.774314][ T9469] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 467.774317][ T9469] ? netdev_notice (net/core/dev.c:13194) [ 467.774319][ T9469] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 467.774320][ T9469] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 467.774323][ T9469] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 467.774324][ T9469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.774326][ T9469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.774327][ T9469] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 467.774328][ T9469] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 467.774330][ T9469] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 467.774331][ T9469] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 467.774332][ T9469] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 467.774334][ T9469] ? register_netdev (net/core/dev.c:11618) [ 467.774335][ T9469] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 467.774338][ T9469] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 467.774340][ T9469] ? __kernel_text_address (kernel/extable.c:79) [ 467.774342][ T9469] ? write_profile (profile.c:?) [ 467.774345][ T9469] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 467.774349][ T9469] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 467.774351][ T9469] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 467.774352][ T9469] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 467.774354][ T9469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.774355][ T9469] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 467.774358][ T9469] ? kasan_save_stack (mm/kasan/common.c:58) [ 467.774360][ T9469] ? kasan_save_stack (mm/kasan/common.c:57) [ 467.774361][ T9469] ? kasan_save_track (mm/kasan/common.c:78) [ 467.774362][ T9469] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 467.774364][ T9469] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 467.774365][ T9469] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 467.774366][ T9469] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 467.774367][ T9469] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 467.774370][ T9469] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 467.774372][ T9469] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 467.774374][ T9469] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 467.774376][ T9469] ? ____sys_sendmsg (net/socket.c:2713) [ 467.774378][ T9469] ? ___sys_sendmsg (net/socket.c:2767) [ 467.774379][ T9469] ? __sys_sendmsg (net/socket.c:2799) [ 467.774381][ T9469] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 467.774383][ T9469] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 467.774386][ T9469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.774387][ T9469] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 467.774389][ T9469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.774390][ T9469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.774391][ T9469] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 467.774392][ T9469] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 467.774394][ T9469] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 467.774395][ T9469] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 467.774397][ T9469] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 467.774398][ T9469] ? nla_get_range_signed (lib/nlattr.c:270) [ 467.774401][ T9469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.774403][ T9469] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 467.774405][ T9469] rtnl_newlink (net/core/rtnetlink.c:4215) [ 467.774407][ T9469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.774408][ T9469] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 467.774409][ T9469] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 467.774411][ T9469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.774412][ T9469] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 467.774414][ T9469] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 467.774416][ T9469] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 467.774417][ T9469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.774419][ T9469] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 467.774422][ T9469] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 467.774424][ T9469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.774425][ T9469] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 467.774427][ T9469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.774428][ T9469] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 467.774429][ T9469] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 467.774431][ T9469] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 467.774432][ T9469] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 467.774434][ T9469] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 467.774436][ T9469] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 467.774438][ T9469] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 467.774440][ T9469] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 467.774441][ T9469] ? netlink_ack (./include/linux/skbuff.h:2718) [ 467.774443][ T9469] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 467.774446][ T9469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.774447][ T9469] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 467.774449][ T9469] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 467.774451][ T9469] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 467.774453][ T9469] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 467.774455][ T9469] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 467.774457][ T9469] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 467.774459][ T9469] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 467.774460][ T9469] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 467.774462][ T9469] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 467.774465][ T9469] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 467.774467][ T9469] ____sys_sendmsg (net/socket.c:2713) [ 467.774469][ T9469] ? copy_msghdr_from_user (net/socket.c:2650) [ 467.774470][ T9469] ? sock_write_iter (net/socket.c:1269) [ 467.774472][ T9469] ? move_addr_to_kernel (net/socket.c:258) [ 467.774474][ T9469] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 467.774476][ T9469] ___sys_sendmsg (net/socket.c:2767) [ 467.774478][ T9469] ? copy_msghdr_from_user (net/socket.c:2619) [ 467.774483][ T9469] __sys_sendmsg (net/socket.c:2799) [ 467.774485][ T9469] ? __sys_sendmsg_sock (net/socket.c:2780) [ 467.774487][ T9469] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 467.774489][ T9469] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 467.774491][ T9469] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 467.774493][ T9469] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 467.774494][ T9469] RIP: 0033:0x7f9b6cf3654e [ 467.774496][ T9469] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 467.774498][ T9469] RSP: 002b:00007fff4ee11f30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 467.774502][ T9469] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9b6cf3654e [ 467.774503][ T9469] RDX: 0000000000000000 RSI: 00007fff4ee11fe0 RDI: 0000000000000005 [ 467.774504][ T9469] RBP: 00007fff4ee11f40 R08: 0000000000000000 R09: 0000000000000000 [ 467.774505][ T9469] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918fe5 [ 467.774506][ T9469] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4ee126a0 | [ 468.835391][ T9526] softirqs last disabled at (0): 0x0 | [ 468.835393][ T9526] Preemption disabled at: | [ 468.835393][ T9526] vprintk_emit (kernel/printk/printk.c:2471) | [ 468.835404][ T9526] Tainted: [W]=WARN [ 468.835405][ T9526] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 468.835407][ T9526] Call Trace: [ 468.835408][ T9526] [ 468.835409][ T9526] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 468.835415][ T9526] ? vprintk_emit (kernel/printk/printk.c:2471) [ 468.835416][ T9526] __might_resched.cold (kernel/sched/core.c:9234) [ 468.835420][ T9526] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 468.835422][ T9526] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 468.835425][ T9526] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.835428][ T9526] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 468.835431][ T9526] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 468.835434][ T9526] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 468.835439][ T9526] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 468.835441][ T9526] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 468.835443][ T9526] put_chars (drivers/char/virtio_console.c:1176) [ 468.835445][ T9526] ? __send_to_port (drivers/char/virtio_console.c:654) [ 468.835447][ T9526] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 468.835449][ T9526] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 468.835454][ T9526] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 468.835456][ T9526] ? vsnprintf (lib/vsprintf.c:2900) [ 468.835459][ T9526] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 468.835461][ T9526] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.835462][ T9526] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.835463][ T9526] console_emit_next_record (kernel/printk/printk.c:3183) [ 468.835466][ T9526] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 468.835468][ T9526] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.835469][ T9526] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.835470][ T9526] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.835471][ T9526] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 468.835474][ T9526] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 468.835476][ T9526] console_flush_one_record (kernel/printk/printk.c:3268) [ 468.835478][ T9526] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 468.835481][ T9526] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 468.835483][ T9526] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 468.835484][ T9526] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 468.835486][ T9526] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.835487][ T9526] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 468.835489][ T9526] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 468.835490][ T9526] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 468.835492][ T9526] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 468.835494][ T9526] ? vprintk_emit (kernel/printk/printk.c:2478) [ 468.835495][ T9526] vprintk_emit (kernel/printk/printk.c:2479) [ 468.835497][ T9526] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 468.835498][ T9526] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 468.835500][ T9526] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 468.835503][ T9526] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 468.835504][ T9526] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.835506][ T9526] _printk (kernel/printk/printk.c:2504) [ 468.835509][ T9526] ? snapshot_read.cold (user.c:?) [ 468.835511][ T9526] ? br_multicast_flood (??:?) [ 468.835515][ T9526] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 468.835517][ T9526] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 468.835519][ T9526] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 468.835520][ T9526] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 468.835523][ T9526] br_init_port (net/bridge/br_stp_if.c:39) [ 468.835525][ T9526] new_nbp (net/bridge/br_if.c:449) [ 468.835527][ T9526] br_add_if (net/bridge/br_if.c:592) [ 468.835529][ T9526] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 468.835534][ T9526] do_set_master (net/core/rtnetlink.c:3071) [ 468.835536][ T9526] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 468.835537][ T9526] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 468.835539][ T9526] ? __dev_get_by_name (net/core/dev.c:905) [ 468.835541][ T9526] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 468.835544][ T9526] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 468.835547][ T9526] rtnl_newlink (net/core/rtnetlink.c:4215) [ 468.835549][ T9526] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.835550][ T9526] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 468.835551][ T9526] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 468.835553][ T9526] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.835554][ T9526] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 468.835557][ T9526] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 468.835559][ T9526] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 468.835561][ T9526] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.835562][ T9526] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 468.835564][ T9526] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.835565][ T9526] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 468.835566][ T9526] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 468.835568][ T9526] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 468.835569][ T9526] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 468.835571][ T9526] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 468.835575][ T9526] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 468.835578][ T9526] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 468.835579][ T9526] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 468.835581][ T9526] ? netlink_ack (./include/linux/skbuff.h:2718) [ 468.835582][ T9526] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 468.835585][ T9526] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.835587][ T9526] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 468.835589][ T9526] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 468.835591][ T9526] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 468.835593][ T9526] ? next_uptodate_folio (mm/filemap.c:3747) [ 468.835596][ T9526] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 468.835598][ T9526] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 468.835600][ T9526] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 468.835606][ T9526] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 468.835609][ T9526] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 468.835612][ T9526] ____sys_sendmsg (net/socket.c:2713) [ 468.835614][ T9526] ? copy_msghdr_from_user (net/socket.c:2650) [ 468.835616][ T9526] ? sock_write_iter (net/socket.c:1269) [ 468.835617][ T9526] ? move_addr_to_kernel (net/socket.c:258) [ 468.835619][ T9526] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 468.835622][ T9526] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 468.835624][ T9526] ___sys_sendmsg (net/socket.c:2767) [ 468.835625][ T9526] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 468.835627][ T9526] ? copy_msghdr_from_user (net/socket.c:2619) [ 468.835629][ T9526] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 468.835633][ T9526] __sys_sendmsg (net/socket.c:2799) [ 468.835636][ T9526] ? __sys_sendmsg_sock (net/socket.c:2780) [ 468.835638][ T9526] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.835639][ T9526] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 468.835641][ T9526] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 468.835643][ T9526] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 468.835645][ T9526] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 468.835647][ T9526] RIP: 0033:0x7fc7f778c54e [ 468.835649][ T9526] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 468.835651][ T9526] RSP: 002b:00007ffdd6511770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 468.835655][ T9526] RAX: ffffffffffffffda RBX: 00007ffdd6511f38 RCX: 00007fc7f778c54e [ 468.835656][ T9526] RDX: 0000000000000000 RSI: 00007ffdd6511820 RDI: 0000000000000005 [ 468.835657][ T9526] RBP: 00007ffdd6511780 R08: 0000000000000000 R09: 0000000000000000 [ 468.835658][ T9526] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918fe6 [ 468.835659][ T9526] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd6511ef0 | [ 476.575673][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 476.575676][ T69] Preemption disabled at: | [ 476.575677][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 476.575686][ T69] Tainted: [W]=WARN [ 476.575687][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 476.575689][ T69] Workqueue: netns cleanup_net [ 476.575695][ T69] Call Trace: [ 476.575697][ T69] [ 476.575698][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 476.575704][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 476.575705][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 476.575709][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 476.575711][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 476.575714][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 476.575717][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 476.575720][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 476.575723][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 476.575728][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 476.575730][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 476.575732][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 476.575734][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 476.575736][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 476.575739][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 476.575743][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 476.575745][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 476.575747][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 476.575749][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 476.575750][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 476.575752][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 476.575755][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 476.575757][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 476.575758][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 476.575759][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 476.575760][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 476.575763][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 476.575764][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 476.575767][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 476.575770][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 476.575772][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 476.575773][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 476.575775][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 476.575776][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 476.575778][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 476.575779][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 476.575781][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 476.575783][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 476.575784][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 476.575786][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 476.575787][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 476.575789][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 476.575792][ T69] ? kthread (kernel/kthread.c:436) [ 476.575794][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 476.575797][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 476.575800][ T69] _printk (kernel/printk/printk.c:2504) [ 476.575803][ T69] ? snapshot_read.cold (user.c:?) [ 476.575805][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 476.575808][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 476.575810][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 476.575813][ T69] ? netdev_notice (net/core/dev.c:13194) [ 476.575815][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 476.575816][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 476.575818][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 476.575821][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 476.575822][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 476.575824][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 476.575826][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 476.575829][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 476.575833][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 476.575835][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 476.575837][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 476.575839][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 476.575841][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 476.575844][ T69] cleanup_net (net/core/net_namespace.c:706) [ 476.575846][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 476.575848][ T69] ? update_load_avg (kernel/sched/fair.c:5864) [ 476.575850][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 476.575852][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 476.575854][ T69] process_one_work (kernel/workqueue.c:3387) [ 476.575856][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 476.575859][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 476.575861][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 476.575864][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 476.575866][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 476.575868][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 476.575870][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 476.575871][ T69] kthread (kernel/kthread.c:436) [ 476.575873][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 476.575874][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 476.575876][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 476.575878][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 476.575880][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 476.575883][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 476.575885][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 477.737970][ T9746] softirqs last disabled at (0): 0x0 | [ 477.737971][ T9746] Preemption disabled at: | [ 477.737972][ T9746] vprintk_emit (kernel/printk/printk.c:2471) | [ 477.737982][ T9746] Tainted: [W]=WARN [ 477.737983][ T9746] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 477.737985][ T9746] Call Trace: [ 477.737986][ T9746] [ 477.737988][ T9746] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 477.737994][ T9746] ? vprintk_emit (kernel/printk/printk.c:2471) [ 477.737995][ T9746] __might_resched.cold (kernel/sched/core.c:9234) [ 477.737998][ T9746] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 477.738001][ T9746] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 477.738004][ T9746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 477.738006][ T9746] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 477.738009][ T9746] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 477.738012][ T9746] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 477.738017][ T9746] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 477.738018][ T9746] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 477.738021][ T9746] put_chars (drivers/char/virtio_console.c:1176) [ 477.738023][ T9746] ? __send_to_port (drivers/char/virtio_console.c:654) [ 477.738024][ T9746] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 477.738027][ T9746] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 477.738031][ T9746] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 477.738033][ T9746] ? vsnprintf (lib/vsprintf.c:2900) [ 477.738037][ T9746] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 477.738038][ T9746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 477.738039][ T9746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 477.738041][ T9746] console_emit_next_record (kernel/printk/printk.c:3183) [ 477.738043][ T9746] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 477.738046][ T9746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 477.738047][ T9746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 477.738048][ T9746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 477.738049][ T9746] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 477.738051][ T9746] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 477.738053][ T9746] console_flush_one_record (kernel/printk/printk.c:3268) [ 477.738055][ T9746] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 477.738058][ T9746] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 477.738060][ T9746] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 477.738061][ T9746] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 477.738063][ T9746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 477.738064][ T9746] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 477.738066][ T9746] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 477.738067][ T9746] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 477.738069][ T9746] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 477.738071][ T9746] ? vprintk_emit (kernel/printk/printk.c:2478) [ 477.738072][ T9746] vprintk_emit (kernel/printk/printk.c:2479) [ 477.738074][ T9746] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 477.738075][ T9746] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 477.738077][ T9746] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 477.738080][ T9746] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 477.738081][ T9746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 477.738083][ T9746] _printk (kernel/printk/printk.c:2504) [ 477.738086][ T9746] ? snapshot_read.cold (user.c:?) [ 477.738088][ T9746] ? br_multicast_flood (??:?) [ 477.738091][ T9746] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 477.738094][ T9746] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 477.738095][ T9746] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 477.738097][ T9746] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 477.738100][ T9746] br_init_port (net/bridge/br_stp_if.c:39) [ 477.738101][ T9746] new_nbp (net/bridge/br_if.c:449) [ 477.738104][ T9746] br_add_if (net/bridge/br_if.c:592) [ 477.738105][ T9746] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 477.738110][ T9746] do_set_master (net/core/rtnetlink.c:3071) [ 477.738112][ T9746] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 477.738114][ T9746] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 477.738115][ T9746] ? __dev_get_by_name (net/core/dev.c:905) [ 477.738117][ T9746] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 477.738120][ T9746] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 477.738123][ T9746] rtnl_newlink (net/core/rtnetlink.c:4215) [ 477.738125][ T9746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 477.738126][ T9746] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 477.738127][ T9746] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 477.738129][ T9746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 477.738130][ T9746] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 477.738133][ T9746] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 477.738135][ T9746] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 477.738137][ T9746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 477.738138][ T9746] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 477.738140][ T9746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 477.738141][ T9746] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 477.738142][ T9746] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 477.738144][ T9746] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 477.738146][ T9746] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 477.738147][ T9746] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 477.738151][ T9746] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 477.738154][ T9746] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 477.738155][ T9746] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 477.738157][ T9746] ? netlink_ack (./include/linux/skbuff.h:2718) [ 477.738159][ T9746] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 477.738162][ T9746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 477.738163][ T9746] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 477.738165][ T9746] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 477.738167][ T9746] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 477.738169][ T9746] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 477.738172][ T9746] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 477.738175][ T9746] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 477.738177][ T9746] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 477.738181][ T9746] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 477.738182][ T9746] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 477.738186][ T9746] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 477.738189][ T9746] ____sys_sendmsg (net/socket.c:2713) [ 477.738190][ T9746] ? copy_msghdr_from_user (net/socket.c:2650) [ 477.738192][ T9746] ? sock_write_iter (net/socket.c:1269) [ 477.738193][ T9746] ? move_addr_to_kernel (net/socket.c:258) [ 477.738196][ T9746] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 477.738198][ T9746] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 477.738200][ T9746] ___sys_sendmsg (net/socket.c:2767) [ 477.738202][ T9746] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 477.738203][ T9746] ? copy_msghdr_from_user (net/socket.c:2619) [ 477.738205][ T9746] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 477.738210][ T9746] __sys_sendmsg (net/socket.c:2799) [ 477.738212][ T9746] ? __sys_sendmsg_sock (net/socket.c:2780) [ 477.738215][ T9746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 477.738216][ T9746] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 477.738217][ T9746] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 477.738219][ T9746] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 477.738221][ T9746] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 477.738223][ T9746] RIP: 0033:0x7f2506aee54e [ 477.738225][ T9746] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 477.738227][ T9746] RSP: 002b:00007ffd45d49720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 477.738231][ T9746] RAX: ffffffffffffffda RBX: 00007ffd45d49ee8 RCX: 00007f2506aee54e [ 477.738232][ T9746] RDX: 0000000000000000 RSI: 00007ffd45d497d0 RDI: 0000000000000005 [ 477.738233][ T9746] RBP: 00007ffd45d49730 R08: 0000000000000000 R09: 0000000000000000 [ 477.738234][ T9746] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918fef [ 477.738235][ T9746] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd45d49ea0 | [ 479.105152][ T9815] softirqs last disabled at (0): 0x0 | [ 479.105154][ T9815] Preemption disabled at: | [ 479.105155][ T9815] vprintk_emit (kernel/printk/printk.c:2471) | [ 479.105165][ T9815] Tainted: [W]=WARN [ 479.105166][ T9815] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 479.105168][ T9815] Call Trace: [ 479.105169][ T9815] [ 479.105171][ T9815] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 479.105176][ T9815] ? vprintk_emit (kernel/printk/printk.c:2471) [ 479.105181][ T9815] __might_resched.cold (kernel/sched/core.c:9234) [ 479.105185][ T9815] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 479.105189][ T9815] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.105191][ T9815] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 479.105194][ T9815] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 479.105197][ T9815] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 479.105202][ T9815] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 479.105204][ T9815] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 479.105207][ T9815] put_chars (drivers/char/virtio_console.c:1176) [ 479.105208][ T9815] ? __send_to_port (drivers/char/virtio_console.c:654) [ 479.105209][ T9815] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 479.105212][ T9815] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 479.105214][ T9815] ? pointer (lib/vsprintf.c:2577) [ 479.105218][ T9815] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 479.105223][ T9815] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 479.105224][ T9815] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 479.105226][ T9815] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 479.105229][ T9815] console_emit_next_record (kernel/printk/printk.c:3183) [ 479.105232][ T9815] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 479.105234][ T9815] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.105235][ T9815] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.105236][ T9815] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.105237][ T9815] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 479.105239][ T9815] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 479.105241][ T9815] console_flush_one_record (kernel/printk/printk.c:3268) [ 479.105243][ T9815] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 479.105246][ T9815] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 479.105248][ T9815] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 479.105250][ T9815] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 479.105252][ T9815] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.105253][ T9815] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 479.105254][ T9815] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 479.105256][ T9815] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 479.105257][ T9815] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 479.105259][ T9815] ? vprintk_emit (kernel/printk/printk.c:2478) [ 479.105260][ T9815] vprintk_emit (kernel/printk/printk.c:2479) [ 479.105262][ T9815] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 479.105263][ T9815] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 479.105266][ T9815] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 479.105269][ T9815] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 479.105271][ T9815] _printk (kernel/printk/printk.c:2504) [ 479.105274][ T9815] ? snapshot_read.cold (user.c:?) [ 479.105276][ T9815] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 479.105279][ T9815] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 479.105282][ T9815] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 479.105284][ T9815] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 479.105287][ T9815] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 479.105289][ T9815] ? netdev_notice (net/core/dev.c:13194) [ 479.105291][ T9815] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 479.105293][ T9815] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 479.105296][ T9815] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 479.105297][ T9815] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.105298][ T9815] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.105300][ T9815] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 479.105301][ T9815] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 479.105302][ T9815] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 479.105304][ T9815] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 479.105305][ T9815] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 479.105307][ T9815] ? register_netdev (net/core/dev.c:11618) [ 479.105308][ T9815] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 479.105310][ T9815] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 479.105313][ T9815] ? __kernel_text_address (kernel/extable.c:79) [ 479.105315][ T9815] ? write_profile (profile.c:?) [ 479.105318][ T9815] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 479.105322][ T9815] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 479.105324][ T9815] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 479.105325][ T9815] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 479.105326][ T9815] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.105328][ T9815] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 479.105331][ T9815] ? kasan_save_stack (mm/kasan/common.c:58) [ 479.105333][ T9815] ? kasan_save_stack (mm/kasan/common.c:57) [ 479.105334][ T9815] ? kasan_save_track (mm/kasan/common.c:78) [ 479.105335][ T9815] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 479.105336][ T9815] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 479.105337][ T9815] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 479.105338][ T9815] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 479.105339][ T9815] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 479.105342][ T9815] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 479.105344][ T9815] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 479.105345][ T9815] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 479.105348][ T9815] ? ____sys_sendmsg (net/socket.c:2713) [ 479.105349][ T9815] ? ___sys_sendmsg (net/socket.c:2767) [ 479.105351][ T9815] ? __sys_sendmsg (net/socket.c:2799) [ 479.105352][ T9815] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 479.105355][ T9815] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 479.105357][ T9815] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.105358][ T9815] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 479.105360][ T9815] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.105361][ T9815] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.105362][ T9815] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 479.105363][ T9815] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 479.105365][ T9815] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 479.105366][ T9815] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 479.105367][ T9815] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 479.105369][ T9815] ? nla_get_range_signed (lib/nlattr.c:270) [ 479.105372][ T9815] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.105373][ T9815] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 479.105375][ T9815] rtnl_newlink (net/core/rtnetlink.c:4215) [ 479.105377][ T9815] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.105378][ T9815] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 479.105380][ T9815] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 479.105381][ T9815] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.105383][ T9815] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 479.105385][ T9815] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 479.105386][ T9815] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 479.105388][ T9815] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.105389][ T9815] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 479.105392][ T9815] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 479.105395][ T9815] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.105396][ T9815] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 479.105397][ T9815] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.105398][ T9815] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 479.105400][ T9815] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 479.105401][ T9815] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 479.105403][ T9815] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 479.105404][ T9815] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 479.105407][ T9815] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 479.105408][ T9815] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 479.105410][ T9815] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 479.105411][ T9815] ? netlink_ack (./include/linux/skbuff.h:2718) [ 479.105413][ T9815] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 479.105416][ T9815] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.105417][ T9815] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 479.105419][ T9815] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 479.105421][ T9815] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 479.105423][ T9815] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 479.105425][ T9815] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 479.105427][ T9815] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 479.105428][ T9815] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 479.105430][ T9815] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 479.105432][ T9815] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 479.105435][ T9815] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 479.105436][ T9815] ____sys_sendmsg (net/socket.c:2713) [ 479.105438][ T9815] ? copy_msghdr_from_user (net/socket.c:2650) [ 479.105440][ T9815] ? sock_write_iter (net/socket.c:1269) [ 479.105441][ T9815] ? move_addr_to_kernel (net/socket.c:258) [ 479.105443][ T9815] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 479.105446][ T9815] ___sys_sendmsg (net/socket.c:2767) [ 479.105447][ T9815] ? copy_msghdr_from_user (net/socket.c:2619) [ 479.105452][ T9815] __sys_sendmsg (net/socket.c:2799) [ 479.105454][ T9815] ? __sys_sendmsg_sock (net/socket.c:2780) [ 479.105457][ T9815] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.105458][ T9815] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 479.105460][ T9815] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 479.105462][ T9815] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 479.105464][ T9815] RIP: 0033:0x7fd48b53254e [ 479.105465][ T9815] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 479.105467][ T9815] RSP: 002b:00007ffd3401c860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 479.105471][ T9815] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd48b53254e [ 479.105473][ T9815] RDX: 0000000000000000 RSI: 00007ffd3401c910 RDI: 0000000000000005 [ 479.105473][ T9815] RBP: 00007ffd3401c870 R08: 0000000000000000 R09: 0000000000000000 [ 479.105474][ T9815] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ff0 [ 479.105475][ T9815] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3401cfd0 | [ 480.213821][ T9872] softirqs last disabled at (0): 0x0 | [ 480.213823][ T9872] Preemption disabled at: | [ 480.213824][ T9872] vprintk_emit (kernel/printk/printk.c:2471) | [ 480.213835][ T9872] Tainted: [W]=WARN [ 480.213836][ T9872] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 480.213838][ T9872] Call Trace: [ 480.213839][ T9872] [ 480.213841][ T9872] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 480.213847][ T9872] ? vprintk_emit (kernel/printk/printk.c:2471) [ 480.213848][ T9872] __might_resched.cold (kernel/sched/core.c:9234) [ 480.213852][ T9872] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 480.213854][ T9872] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 480.213857][ T9872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.213860][ T9872] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 480.213863][ T9872] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 480.213866][ T9872] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 480.213871][ T9872] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 480.213873][ T9872] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 480.213875][ T9872] put_chars (drivers/char/virtio_console.c:1176) [ 480.213877][ T9872] ? __send_to_port (drivers/char/virtio_console.c:654) [ 480.213879][ T9872] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 480.213882][ T9872] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 480.213886][ T9872] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 480.213888][ T9872] ? vsnprintf (lib/vsprintf.c:2900) [ 480.213891][ T9872] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 480.213893][ T9872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.213894][ T9872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.213896][ T9872] console_emit_next_record (kernel/printk/printk.c:3183) [ 480.213899][ T9872] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 480.213901][ T9872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.213902][ T9872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.213903][ T9872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.213904][ T9872] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 480.213906][ T9872] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 480.213908][ T9872] console_flush_one_record (kernel/printk/printk.c:3268) [ 480.213911][ T9872] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 480.213913][ T9872] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 480.213915][ T9872] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 480.213917][ T9872] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 480.213919][ T9872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.213920][ T9872] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 480.213921][ T9872] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 480.213923][ T9872] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 480.213924][ T9872] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 480.213926][ T9872] ? vprintk_emit (kernel/printk/printk.c:2478) [ 480.213927][ T9872] vprintk_emit (kernel/printk/printk.c:2479) [ 480.213929][ T9872] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 480.213931][ T9872] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 480.213932][ T9872] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 480.213935][ T9872] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 480.213937][ T9872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.213938][ T9872] _printk (kernel/printk/printk.c:2504) [ 480.213941][ T9872] ? snapshot_read.cold (user.c:?) [ 480.213944][ T9872] ? br_multicast_flood (??:?) [ 480.213947][ T9872] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 480.213950][ T9872] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 480.213951][ T9872] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 480.213953][ T9872] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 480.213956][ T9872] br_init_port (net/bridge/br_stp_if.c:39) [ 480.213958][ T9872] new_nbp (net/bridge/br_if.c:449) [ 480.213960][ T9872] br_add_if (net/bridge/br_if.c:592) [ 480.213962][ T9872] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 480.213966][ T9872] do_set_master (net/core/rtnetlink.c:3071) [ 480.213968][ T9872] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 480.213970][ T9872] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 480.213971][ T9872] ? __dev_get_by_name (net/core/dev.c:905) [ 480.213973][ T9872] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 480.213977][ T9872] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 480.213979][ T9872] rtnl_newlink (net/core/rtnetlink.c:4215) [ 480.213981][ T9872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.213983][ T9872] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 480.213984][ T9872] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 480.213985][ T9872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.213987][ T9872] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 480.213990][ T9872] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 480.213992][ T9872] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 480.213994][ T9872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.213995][ T9872] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 480.213996][ T9872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.213998][ T9872] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 480.213999][ T9872] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 480.214001][ T9872] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 480.214002][ T9872] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 480.214004][ T9872] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 480.214007][ T9872] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 480.214011][ T9872] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 480.214012][ T9872] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 480.214014][ T9872] ? netlink_ack (./include/linux/skbuff.h:2718) [ 480.214015][ T9872] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 480.214018][ T9872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.214019][ T9872] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 480.214021][ T9872] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 480.214024][ T9872] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 480.214026][ T9872] ? next_uptodate_folio (mm/filemap.c:3747) [ 480.214029][ T9872] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 480.214031][ T9872] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 480.214033][ T9872] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 480.214034][ T9872] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 480.214038][ T9872] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 480.214041][ T9872] ____sys_sendmsg (net/socket.c:2713) [ 480.214043][ T9872] ? copy_msghdr_from_user (net/socket.c:2650) [ 480.214045][ T9872] ? sock_write_iter (net/socket.c:1269) [ 480.214046][ T9872] ? move_addr_to_kernel (net/socket.c:258) [ 480.214048][ T9872] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 480.214051][ T9872] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 480.214053][ T9872] ___sys_sendmsg (net/socket.c:2767) [ 480.214054][ T9872] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 480.214056][ T9872] ? copy_msghdr_from_user (net/socket.c:2619) [ 480.214058][ T9872] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 480.214063][ T9872] __sys_sendmsg (net/socket.c:2799) [ 480.214065][ T9872] ? __sys_sendmsg_sock (net/socket.c:2780) [ 480.214067][ T9872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.214069][ T9872] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 480.214070][ T9872] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 480.214073][ T9872] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 480.214074][ T9872] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 480.214077][ T9872] RIP: 0033:0x7f28c04b654e [ 480.214079][ T9872] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 480.214081][ T9872] RSP: 002b:00007fff000c0b00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 480.214084][ T9872] RAX: ffffffffffffffda RBX: 00007fff000c12c8 RCX: 00007f28c04b654e [ 480.214086][ T9872] RDX: 0000000000000000 RSI: 00007fff000c0bb0 RDI: 0000000000000005 [ 480.214087][ T9872] RBP: 00007fff000c0b10 R08: 0000000000000000 R09: 0000000000000000 [ 480.214088][ T9872] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ff1 [ 480.214089][ T9872] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff000c1280 | [ 487.052273][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 487.052276][ T69] Preemption disabled at: | [ 487.052277][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 487.052287][ T69] Tainted: [W]=WARN [ 487.052288][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 487.052289][ T69] Workqueue: netns cleanup_net [ 487.052295][ T69] Call Trace: [ 487.052296][ T69] [ 487.052298][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 487.052304][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 487.052306][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 487.052309][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 487.052312][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 487.052315][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.052318][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 487.052321][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 487.052324][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 487.052328][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 487.052330][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 487.052333][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 487.052335][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 487.052336][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 487.052339][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 487.052344][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 487.052345][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 487.052348][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 487.052349][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.052351][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.052352][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 487.052355][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 487.052357][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.052358][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.052359][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.052360][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 487.052363][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 487.052365][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 487.052367][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 487.052370][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 487.052372][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 487.052374][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 487.052375][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.052376][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 487.052378][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 487.052379][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 487.052381][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 487.052383][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 487.052384][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 487.052386][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 487.052387][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 487.052389][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 487.052392][ T69] ? kthread (kernel/kthread.c:436) [ 487.052395][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 487.052397][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 487.052400][ T69] _printk (kernel/printk/printk.c:2504) [ 487.052403][ T69] ? snapshot_read.cold (user.c:?) [ 487.052405][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 487.052409][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 487.052411][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 487.052414][ T69] ? netdev_notice (net/core/dev.c:13194) [ 487.052416][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.052417][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 487.052419][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 487.052422][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 487.052423][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 487.052425][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 487.052427][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 487.052430][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 487.052433][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 487.052436][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 487.052438][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 487.052440][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 487.052442][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 487.052445][ T69] cleanup_net (net/core/net_namespace.c:706) [ 487.052447][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 487.052449][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 487.052451][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.052452][ T69] process_one_work (kernel/workqueue.c:3387) [ 487.052455][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 487.052458][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 487.052460][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 487.052462][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 487.052464][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 487.052466][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 487.052468][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 487.052470][ T69] kthread (kernel/kthread.c:436) [ 487.052471][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 487.052473][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 487.052475][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 487.052477][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 487.052479][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 487.052481][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 487.052483][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 488.283426][T10035] softirqs last disabled at (0): 0x0 | [ 488.283427][T10035] Preemption disabled at: | [ 488.283428][T10035] vprintk_emit (kernel/printk/printk.c:2471) | [ 488.283438][T10035] Tainted: [W]=WARN [ 488.283439][T10035] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 488.283441][T10035] Call Trace: [ 488.283442][T10035] [ 488.283444][T10035] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 488.283450][T10035] ? vprintk_emit (kernel/printk/printk.c:2471) [ 488.283451][T10035] __might_resched.cold (kernel/sched/core.c:9234) [ 488.283455][T10035] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 488.283457][T10035] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 488.283460][T10035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 488.283463][T10035] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 488.283466][T10035] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 488.283469][T10035] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 488.283473][T10035] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 488.283475][T10035] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 488.283478][T10035] put_chars (drivers/char/virtio_console.c:1176) [ 488.283479][T10035] ? __send_to_port (drivers/char/virtio_console.c:654) [ 488.283481][T10035] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 488.283484][T10035] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 488.283489][T10035] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 488.283490][T10035] ? vsnprintf (lib/vsprintf.c:2900) [ 488.283494][T10035] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 488.283495][T10035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 488.283497][T10035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 488.283498][T10035] console_emit_next_record (kernel/printk/printk.c:3183) [ 488.283501][T10035] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 488.283503][T10035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 488.283504][T10035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 488.283505][T10035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 488.283506][T10035] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 488.283509][T10035] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 488.283510][T10035] console_flush_one_record (kernel/printk/printk.c:3268) [ 488.283513][T10035] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 488.283516][T10035] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 488.283517][T10035] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 488.283519][T10035] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 488.283521][T10035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 488.283522][T10035] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 488.283523][T10035] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 488.283525][T10035] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 488.283526][T10035] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 488.283528][T10035] ? vprintk_emit (kernel/printk/printk.c:2478) [ 488.283530][T10035] vprintk_emit (kernel/printk/printk.c:2479) [ 488.283532][T10035] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 488.283533][T10035] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 488.283535][T10035] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 488.283538][T10035] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 488.283539][T10035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 488.283540][T10035] _printk (kernel/printk/printk.c:2504) [ 488.283544][T10035] ? snapshot_read.cold (user.c:?) [ 488.283546][T10035] ? br_multicast_flood (??:?) [ 488.283549][T10035] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 488.283552][T10035] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 488.283553][T10035] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 488.283555][T10035] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 488.283558][T10035] br_init_port (net/bridge/br_stp_if.c:39) [ 488.283559][T10035] new_nbp (net/bridge/br_if.c:449) [ 488.283562][T10035] br_add_if (net/bridge/br_if.c:592) [ 488.283563][T10035] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 488.283568][T10035] do_set_master (net/core/rtnetlink.c:3071) [ 488.283570][T10035] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 488.283572][T10035] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 488.283573][T10035] ? __dev_get_by_name (net/core/dev.c:905) [ 488.283575][T10035] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 488.283578][T10035] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 488.283581][T10035] rtnl_newlink (net/core/rtnetlink.c:4215) [ 488.283583][T10035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 488.283584][T10035] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 488.283585][T10035] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 488.283587][T10035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 488.283588][T10035] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 488.283591][T10035] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 488.283593][T10035] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 488.283595][T10035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 488.283596][T10035] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 488.283598][T10035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 488.283599][T10035] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 488.283600][T10035] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 488.283602][T10035] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 488.283604][T10035] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 488.283605][T10035] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 488.283609][T10035] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 488.283612][T10035] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 488.283613][T10035] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 488.283615][T10035] ? netlink_ack (./include/linux/skbuff.h:2718) [ 488.283616][T10035] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 488.283619][T10035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 488.283621][T10035] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 488.283623][T10035] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 488.283625][T10035] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 488.283627][T10035] ? next_uptodate_folio (mm/filemap.c:3747) [ 488.283630][T10035] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 488.283632][T10035] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 488.283634][T10035] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 488.283636][T10035] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 488.283639][T10035] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 488.283642][T10035] ____sys_sendmsg (net/socket.c:2713) [ 488.283644][T10035] ? copy_msghdr_from_user (net/socket.c:2650) [ 488.283646][T10035] ? sock_write_iter (net/socket.c:1269) [ 488.283647][T10035] ? move_addr_to_kernel (net/socket.c:258) [ 488.283649][T10035] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 488.283652][T10035] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 488.283654][T10035] ___sys_sendmsg (net/socket.c:2767) [ 488.283655][T10035] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 488.283657][T10035] ? copy_msghdr_from_user (net/socket.c:2619) [ 488.283659][T10035] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 488.283663][T10035] __sys_sendmsg (net/socket.c:2799) [ 488.283665][T10035] ? __sys_sendmsg_sock (net/socket.c:2780) [ 488.283668][T10035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 488.283669][T10035] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 488.283670][T10035] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 488.283676][T10035] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 488.283678][T10035] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 488.283680][T10035] RIP: 0033:0x7f7c0cbba54e [ 488.283682][T10035] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 488.283684][T10035] RSP: 002b:00007ffc6e17c260 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 488.283688][T10035] RAX: ffffffffffffffda RBX: 00007ffc6e17ca28 RCX: 00007f7c0cbba54e [ 488.283689][T10035] RDX: 0000000000000000 RSI: 00007ffc6e17c310 RDI: 0000000000000005 [ 488.283690][T10035] RBP: 00007ffc6e17c270 R08: 0000000000000000 R09: 0000000000000000 [ 488.283691][T10035] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ff9 [ 488.283692][T10035] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6e17c9e0 | [ 489.579621][T10104] softirqs last disabled at (0): 0x0 | [ 489.579623][T10104] Preemption disabled at: | [ 489.579623][T10104] vprintk_emit (kernel/printk/printk.c:2471) | [ 489.579633][T10104] Tainted: [W]=WARN [ 489.579634][T10104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 489.579636][T10104] Call Trace: [ 489.579637][T10104] [ 489.579638][T10104] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 489.579644][T10104] ? vprintk_emit (kernel/printk/printk.c:2471) [ 489.579645][T10104] __might_resched.cold (kernel/sched/core.c:9234) [ 489.579649][T10104] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 489.579653][T10104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.579655][T10104] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 489.579659][T10104] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 489.579662][T10104] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 489.579666][T10104] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 489.579668][T10104] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 489.579671][T10104] put_chars (drivers/char/virtio_console.c:1176) [ 489.579672][T10104] ? __send_to_port (drivers/char/virtio_console.c:654) [ 489.579674][T10104] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 489.579676][T10104] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 489.579681][T10104] ? pointer (lib/vsprintf.c:2577) [ 489.579685][T10104] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 489.579690][T10104] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 489.579691][T10104] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 489.579693][T10104] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 489.579696][T10104] console_emit_next_record (kernel/printk/printk.c:3183) [ 489.579699][T10104] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 489.579701][T10104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.579702][T10104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.579703][T10104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.579704][T10104] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 489.579706][T10104] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 489.579708][T10104] console_flush_one_record (kernel/printk/printk.c:3268) [ 489.579710][T10104] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 489.579713][T10104] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 489.579715][T10104] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 489.579717][T10104] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 489.579719][T10104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.579720][T10104] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 489.579721][T10104] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 489.579723][T10104] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 489.579724][T10104] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 489.579726][T10104] ? vprintk_emit (kernel/printk/printk.c:2478) [ 489.579728][T10104] vprintk_emit (kernel/printk/printk.c:2479) [ 489.579729][T10104] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 489.579731][T10104] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 489.579733][T10104] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 489.579736][T10104] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 489.579739][T10104] _printk (kernel/printk/printk.c:2504) [ 489.579741][T10104] ? snapshot_read.cold (user.c:?) [ 489.579743][T10104] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 489.579746][T10104] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 489.579749][T10104] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 489.579751][T10104] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 489.579754][T10104] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 489.579756][T10104] ? netdev_notice (net/core/dev.c:13194) [ 489.579758][T10104] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 489.579760][T10104] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 489.579763][T10104] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 489.579764][T10104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.579765][T10104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.579766][T10104] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 489.579768][T10104] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 489.579769][T10104] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 489.579771][T10104] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 489.579772][T10104] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 489.579774][T10104] ? register_netdev (net/core/dev.c:11618) [ 489.579775][T10104] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 489.579777][T10104] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 489.579779][T10104] ? __kernel_text_address (kernel/extable.c:79) [ 489.579782][T10104] ? write_profile (profile.c:?) [ 489.579785][T10104] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 489.579788][T10104] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 489.579790][T10104] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 489.579792][T10104] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 489.579793][T10104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.579794][T10104] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 489.579798][T10104] ? kasan_save_stack (mm/kasan/common.c:58) [ 489.579799][T10104] ? kasan_save_stack (mm/kasan/common.c:57) [ 489.579800][T10104] ? kasan_save_track (mm/kasan/common.c:78) [ 489.579801][T10104] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 489.579803][T10104] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 489.579804][T10104] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 489.579805][T10104] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 489.579806][T10104] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 489.579809][T10104] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 489.579810][T10104] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 489.579812][T10104] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 489.579814][T10104] ? ____sys_sendmsg (net/socket.c:2713) [ 489.579816][T10104] ? ___sys_sendmsg (net/socket.c:2767) [ 489.579817][T10104] ? __sys_sendmsg (net/socket.c:2799) [ 489.579819][T10104] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 489.579821][T10104] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 489.579824][T10104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.579825][T10104] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 489.579827][T10104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.579828][T10104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.579829][T10104] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 489.579830][T10104] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 489.579832][T10104] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 489.579833][T10104] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 489.579835][T10104] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 489.579836][T10104] ? nla_get_range_signed (lib/nlattr.c:270) [ 489.579839][T10104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.579840][T10104] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 489.579842][T10104] rtnl_newlink (net/core/rtnetlink.c:4215) [ 489.579844][T10104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.579845][T10104] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 489.579846][T10104] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 489.579848][T10104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.579849][T10104] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 489.579852][T10104] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 489.579853][T10104] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 489.579854][T10104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.579855][T10104] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 489.579859][T10104] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 489.579861][T10104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.579862][T10104] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 489.579864][T10104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.579865][T10104] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 489.579867][T10104] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 489.579868][T10104] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 489.579870][T10104] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 489.579872][T10104] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 489.579874][T10104] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 489.579876][T10104] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 489.579877][T10104] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 489.579879][T10104] ? netlink_ack (./include/linux/skbuff.h:2718) [ 489.579880][T10104] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 489.579883][T10104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.579885][T10104] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 489.579887][T10104] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 489.579889][T10104] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 489.579891][T10104] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 489.579892][T10104] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 489.579895][T10104] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 489.579896][T10104] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 489.579898][T10104] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 489.579899][T10104] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 489.579903][T10104] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 489.579904][T10104] ____sys_sendmsg (net/socket.c:2713) [ 489.579906][T10104] ? copy_msghdr_from_user (net/socket.c:2650) [ 489.579908][T10104] ? sock_write_iter (net/socket.c:1269) [ 489.579909][T10104] ? move_addr_to_kernel (net/socket.c:258) [ 489.579911][T10104] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 489.579913][T10104] ___sys_sendmsg (net/socket.c:2767) [ 489.579915][T10104] ? copy_msghdr_from_user (net/socket.c:2619) [ 489.579920][T10104] __sys_sendmsg (net/socket.c:2799) [ 489.579922][T10104] ? __sys_sendmsg_sock (net/socket.c:2780) [ 489.579925][T10104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 489.579926][T10104] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 489.579928][T10104] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 489.579930][T10104] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 489.579931][T10104] RIP: 0033:0x7f5fbb12754e [ 489.579933][T10104] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 489.579935][T10104] RSP: 002b:00007fffe71cdd00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 489.579938][T10104] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5fbb12754e [ 489.579940][T10104] RDX: 0000000000000000 RSI: 00007fffe71cddb0 RDI: 0000000000000005 [ 489.579941][T10104] RBP: 00007fffe71cdd10 R08: 0000000000000000 R09: 0000000000000000 [ 489.579942][T10104] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ffa [ 489.579943][T10104] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe71ce470 | [ 490.653070][T10161] softirqs last disabled at (0): 0x0 | [ 490.653072][T10161] Preemption disabled at: | [ 490.653072][T10161] vprintk_emit (kernel/printk/printk.c:2471) | [ 490.653082][T10161] Tainted: [W]=WARN [ 490.653083][T10161] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 490.653085][T10161] Call Trace: [ 490.653086][T10161] [ 490.653088][T10161] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 490.653094][T10161] ? vprintk_emit (kernel/printk/printk.c:2471) [ 490.653095][T10161] __might_resched.cold (kernel/sched/core.c:9234) [ 490.653099][T10161] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 490.653102][T10161] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 490.653105][T10161] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.653107][T10161] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 490.653110][T10161] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 490.653113][T10161] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 490.653118][T10161] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 490.653120][T10161] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 490.653122][T10161] put_chars (drivers/char/virtio_console.c:1176) [ 490.653124][T10161] ? __send_to_port (drivers/char/virtio_console.c:654) [ 490.653126][T10161] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 490.653129][T10161] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 490.653133][T10161] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 490.653135][T10161] ? vsnprintf (lib/vsprintf.c:2900) [ 490.653138][T10161] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 490.653140][T10161] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.653141][T10161] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.653143][T10161] console_emit_next_record (kernel/printk/printk.c:3183) [ 490.653145][T10161] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 490.653147][T10161] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.653148][T10161] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.653149][T10161] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.653150][T10161] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 490.653153][T10161] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 490.653155][T10161] console_flush_one_record (kernel/printk/printk.c:3268) [ 490.653157][T10161] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 490.653160][T10161] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 490.653162][T10161] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 490.653163][T10161] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 490.653165][T10161] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.653166][T10161] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 490.653168][T10161] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 490.653169][T10161] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 490.653171][T10161] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 490.653173][T10161] ? vprintk_emit (kernel/printk/printk.c:2478) [ 490.653174][T10161] vprintk_emit (kernel/printk/printk.c:2479) [ 490.653176][T10161] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 490.653177][T10161] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 490.653180][T10161] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 490.653183][T10161] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 490.653185][T10161] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.653186][T10161] _printk (kernel/printk/printk.c:2504) [ 490.653190][T10161] ? snapshot_read.cold (user.c:?) [ 490.653192][T10161] ? br_multicast_flood (??:?) [ 490.653195][T10161] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 490.653198][T10161] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 490.653199][T10161] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 490.653201][T10161] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 490.653204][T10161] br_init_port (net/bridge/br_stp_if.c:39) [ 490.653206][T10161] new_nbp (net/bridge/br_if.c:449) [ 490.653208][T10161] br_add_if (net/bridge/br_if.c:592) [ 490.653210][T10161] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 490.653214][T10161] do_set_master (net/core/rtnetlink.c:3071) [ 490.653216][T10161] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 490.653218][T10161] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 490.653219][T10161] ? __dev_get_by_name (net/core/dev.c:905) [ 490.653221][T10161] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 490.653225][T10161] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 490.653227][T10161] rtnl_newlink (net/core/rtnetlink.c:4215) [ 490.653229][T10161] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.653230][T10161] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 490.653232][T10161] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 490.653233][T10161] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.653235][T10161] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 490.653237][T10161] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 490.653239][T10161] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 490.653241][T10161] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.653242][T10161] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 490.653244][T10161] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.653245][T10161] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 490.653246][T10161] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 490.653248][T10161] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 490.653250][T10161] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 490.653251][T10161] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 490.653256][T10161] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 490.653259][T10161] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 490.653260][T10161] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 490.653262][T10161] ? netlink_ack (./include/linux/skbuff.h:2718) [ 490.653264][T10161] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 490.653266][T10161] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.653268][T10161] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 490.653270][T10161] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 490.653272][T10161] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 490.653274][T10161] ? next_uptodate_folio (mm/filemap.c:3747) [ 490.653277][T10161] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 490.653279][T10161] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 490.653281][T10161] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 490.653283][T10161] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 490.653286][T10161] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 490.653289][T10161] ____sys_sendmsg (net/socket.c:2713) [ 490.653291][T10161] ? copy_msghdr_from_user (net/socket.c:2650) [ 490.653293][T10161] ? sock_write_iter (net/socket.c:1269) [ 490.653294][T10161] ? move_addr_to_kernel (net/socket.c:258) [ 490.653296][T10161] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 490.653299][T10161] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 490.653301][T10161] ___sys_sendmsg (net/socket.c:2767) [ 490.653302][T10161] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 490.653304][T10161] ? copy_msghdr_from_user (net/socket.c:2619) [ 490.653306][T10161] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 490.653311][T10161] __sys_sendmsg (net/socket.c:2799) [ 490.653313][T10161] ? __sys_sendmsg_sock (net/socket.c:2780) [ 490.653315][T10161] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.653317][T10161] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 490.653318][T10161] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 490.653321][T10161] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 490.653323][T10161] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 490.653324][T10161] RIP: 0033:0x7ff0b461954e [ 490.653327][T10161] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 490.653328][T10161] RSP: 002b:00007ffc3f58a8c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 490.653332][T10161] RAX: ffffffffffffffda RBX: 00007ffc3f58b088 RCX: 00007ff0b461954e [ 490.653333][T10161] RDX: 0000000000000000 RSI: 00007ffc3f58a970 RDI: 0000000000000005 [ 490.653334][T10161] RBP: 00007ffc3f58a8d0 R08: 0000000000000000 R09: 0000000000000000 [ 490.653335][T10161] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ffb [ 490.653336][T10161] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3f58b040 | [ 497.416935][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 497.416937][ T69] Preemption disabled at: | [ 497.416938][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 497.416948][ T69] Tainted: [W]=WARN [ 497.416949][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 497.416951][ T69] Workqueue: netns cleanup_net [ 497.416956][ T69] Call Trace: [ 497.416958][ T69] [ 497.416960][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 497.416965][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 497.416967][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 497.416970][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 497.416972][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 497.416976][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.416979][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 497.416982][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 497.416984][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 497.416989][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 497.416991][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 497.416993][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 497.416995][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 497.416997][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 497.417000][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 497.417004][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 497.417006][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 497.417009][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 497.417010][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.417012][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.417013][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 497.417016][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 497.417018][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.417019][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.417020][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.417021][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 497.417024][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 497.417026][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 497.417028][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 497.417031][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 497.417033][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 497.417034][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 497.417036][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.417037][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 497.417039][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 497.417040][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 497.417042][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 497.417044][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 497.417045][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 497.417047][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 497.417048][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 497.417050][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 497.417052][ T69] ? kthread (kernel/kthread.c:436) [ 497.417054][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 497.417057][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 497.417060][ T69] _printk (kernel/printk/printk.c:2504) [ 497.417063][ T69] ? snapshot_read.cold (user.c:?) [ 497.417065][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 497.417068][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 497.417070][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 497.417073][ T69] ? netdev_notice (net/core/dev.c:13194) [ 497.417075][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.417076][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 497.417077][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 497.417080][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 497.417082][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 497.417083][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 497.417085][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 497.417088][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 497.417092][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 497.417094][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 497.417096][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 497.417098][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 497.417100][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 497.417103][ T69] cleanup_net (net/core/net_namespace.c:706) [ 497.417105][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 497.417107][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 497.417109][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 497.417111][ T69] process_one_work (kernel/workqueue.c:3387) [ 497.417113][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 497.417116][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 497.417119][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 497.417121][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 497.417123][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 497.417125][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 497.417127][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 497.417128][ T69] kthread (kernel/kthread.c:436) [ 497.417130][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 497.417132][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 497.417134][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 497.417135][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 497.417137][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 497.417141][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 497.417142][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 498.603370][T10325] softirqs last disabled at (0): 0x0 | [ 498.603371][T10325] Preemption disabled at: | [ 498.603372][T10325] vprintk_emit (kernel/printk/printk.c:2471) | [ 498.603382][T10325] Tainted: [W]=WARN [ 498.603383][T10325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 498.603385][T10325] Call Trace: [ 498.603387][T10325] [ 498.603388][T10325] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 498.603394][T10325] ? vprintk_emit (kernel/printk/printk.c:2471) [ 498.603395][T10325] __might_resched.cold (kernel/sched/core.c:9234) [ 498.603399][T10325] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 498.603401][T10325] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 498.603404][T10325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 498.603407][T10325] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 498.603410][T10325] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 498.603413][T10325] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 498.603418][T10325] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 498.603420][T10325] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 498.603423][T10325] put_chars (drivers/char/virtio_console.c:1176) [ 498.603424][T10325] ? __send_to_port (drivers/char/virtio_console.c:654) [ 498.603426][T10325] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 498.603429][T10325] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 498.603433][T10325] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 498.603435][T10325] ? vsnprintf (lib/vsprintf.c:2900) [ 498.603439][T10325] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 498.603440][T10325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 498.603441][T10325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 498.603443][T10325] console_emit_next_record (kernel/printk/printk.c:3183) [ 498.603446][T10325] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 498.603448][T10325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 498.603449][T10325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 498.603450][T10325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 498.603451][T10325] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 498.603454][T10325] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 498.603455][T10325] console_flush_one_record (kernel/printk/printk.c:3268) [ 498.603458][T10325] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 498.603461][T10325] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 498.603463][T10325] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 498.603464][T10325] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 498.603466][T10325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 498.603467][T10325] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 498.603469][T10325] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 498.603470][T10325] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 498.603472][T10325] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 498.603474][T10325] ? vprintk_emit (kernel/printk/printk.c:2478) [ 498.603475][T10325] vprintk_emit (kernel/printk/printk.c:2479) [ 498.603477][T10325] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 498.603478][T10325] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 498.603480][T10325] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 498.603483][T10325] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 498.603484][T10325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 498.603486][T10325] _printk (kernel/printk/printk.c:2504) [ 498.603489][T10325] ? snapshot_read.cold (user.c:?) [ 498.603491][T10325] ? br_multicast_flood (??:?) [ 498.603494][T10325] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 498.603497][T10325] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 498.603498][T10325] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 498.603500][T10325] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 498.603503][T10325] br_init_port (net/bridge/br_stp_if.c:39) [ 498.603504][T10325] new_nbp (net/bridge/br_if.c:449) [ 498.603507][T10325] br_add_if (net/bridge/br_if.c:592) [ 498.603509][T10325] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 498.603513][T10325] do_set_master (net/core/rtnetlink.c:3071) [ 498.603515][T10325] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 498.603517][T10325] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 498.603518][T10325] ? __dev_get_by_name (net/core/dev.c:905) [ 498.603520][T10325] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 498.603523][T10325] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 498.603526][T10325] rtnl_newlink (net/core/rtnetlink.c:4215) [ 498.603528][T10325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 498.603529][T10325] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 498.603530][T10325] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 498.603532][T10325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 498.603533][T10325] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 498.603536][T10325] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 498.603538][T10325] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 498.603540][T10325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 498.603541][T10325] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 498.603543][T10325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 498.603544][T10325] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 498.603545][T10325] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 498.603547][T10325] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 498.603549][T10325] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 498.603550][T10325] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 498.603554][T10325] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 498.603557][T10325] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 498.603559][T10325] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 498.603560][T10325] ? netlink_ack (./include/linux/skbuff.h:2718) [ 498.603562][T10325] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 498.603565][T10325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 498.603566][T10325] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 498.603568][T10325] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 498.603570][T10325] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 498.603572][T10325] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 498.603575][T10325] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 498.603578][T10325] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 498.603580][T10325] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 498.603582][T10325] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 498.603584][T10325] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 498.603587][T10325] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 498.603590][T10325] ____sys_sendmsg (net/socket.c:2713) [ 498.603592][T10325] ? copy_msghdr_from_user (net/socket.c:2650) [ 498.603593][T10325] ? sock_write_iter (net/socket.c:1269) [ 498.603595][T10325] ? move_addr_to_kernel (net/socket.c:258) [ 498.603597][T10325] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 498.603600][T10325] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 498.603602][T10325] ___sys_sendmsg (net/socket.c:2767) [ 498.603603][T10325] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 498.603605][T10325] ? copy_msghdr_from_user (net/socket.c:2619) [ 498.603607][T10325] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 498.603612][T10325] __sys_sendmsg (net/socket.c:2799) [ 498.603614][T10325] ? __sys_sendmsg_sock (net/socket.c:2780) [ 498.603616][T10325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 498.603618][T10325] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 498.603619][T10325] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 498.603621][T10325] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 498.603623][T10325] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 498.603625][T10325] RIP: 0033:0x7fe0a38d854e [ 498.603627][T10325] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 498.603629][T10325] RSP: 002b:00007ffdd7258de0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 498.603633][T10325] RAX: ffffffffffffffda RBX: 00007ffdd72595a8 RCX: 00007fe0a38d854e [ 498.603634][T10325] RDX: 0000000000000000 RSI: 00007ffdd7258e90 RDI: 0000000000000005 [ 498.603635][T10325] RBP: 00007ffdd7258df0 R08: 0000000000000000 R09: 0000000000000000 [ 498.603636][T10325] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919003 [ 498.603637][T10325] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd7259560 | [ 499.914158][T10394] softirqs last disabled at (0): 0x0 | [ 499.914160][T10394] Preemption disabled at: | [ 499.914161][T10394] vprintk_emit (kernel/printk/printk.c:2471) | [ 499.914171][T10394] Tainted: [W]=WARN [ 499.914172][T10394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 499.914174][T10394] Call Trace: [ 499.914175][T10394] [ 499.914180][T10394] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 499.914186][T10394] ? vprintk_emit (kernel/printk/printk.c:2471) [ 499.914187][T10394] __might_resched.cold (kernel/sched/core.c:9234) [ 499.914191][T10394] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 499.914195][T10394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 499.914198][T10394] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 499.914200][T10394] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 499.914204][T10394] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 499.914209][T10394] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 499.914211][T10394] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 499.914213][T10394] put_chars (drivers/char/virtio_console.c:1176) [ 499.914215][T10394] ? __send_to_port (drivers/char/virtio_console.c:654) [ 499.914216][T10394] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 499.914219][T10394] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 499.914221][T10394] ? pointer (lib/vsprintf.c:2577) [ 499.914224][T10394] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 499.914229][T10394] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 499.914231][T10394] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 499.914232][T10394] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 499.914235][T10394] console_emit_next_record (kernel/printk/printk.c:3183) [ 499.914237][T10394] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 499.914240][T10394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 499.914241][T10394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 499.914242][T10394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 499.914243][T10394] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 499.914245][T10394] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 499.914246][T10394] console_flush_one_record (kernel/printk/printk.c:3268) [ 499.914249][T10394] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 499.914252][T10394] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 499.914253][T10394] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 499.914255][T10394] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 499.914257][T10394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 499.914258][T10394] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 499.914260][T10394] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 499.914261][T10394] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 499.914262][T10394] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 499.914264][T10394] ? vprintk_emit (kernel/printk/printk.c:2478) [ 499.914266][T10394] vprintk_emit (kernel/printk/printk.c:2479) [ 499.914268][T10394] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 499.914269][T10394] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 499.914271][T10394] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 499.914274][T10394] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 499.914277][T10394] _printk (kernel/printk/printk.c:2504) [ 499.914280][T10394] ? snapshot_read.cold (user.c:?) [ 499.914282][T10394] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 499.914284][T10394] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 499.914287][T10394] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 499.914289][T10394] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 499.914292][T10394] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 499.914295][T10394] ? netdev_notice (net/core/dev.c:13194) [ 499.914297][T10394] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 499.914299][T10394] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 499.914301][T10394] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 499.914303][T10394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 499.914304][T10394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 499.914305][T10394] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 499.914306][T10394] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 499.914308][T10394] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 499.914309][T10394] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 499.914310][T10394] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 499.914312][T10394] ? register_netdev (net/core/dev.c:11618) [ 499.914314][T10394] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 499.914316][T10394] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 499.914318][T10394] ? __kernel_text_address (kernel/extable.c:79) [ 499.914321][T10394] ? write_profile (profile.c:?) [ 499.914323][T10394] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 499.914327][T10394] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 499.914329][T10394] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 499.914330][T10394] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 499.914332][T10394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 499.914333][T10394] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 499.914336][T10394] ? kasan_save_stack (mm/kasan/common.c:58) [ 499.914338][T10394] ? kasan_save_stack (mm/kasan/common.c:57) [ 499.914339][T10394] ? kasan_save_track (mm/kasan/common.c:78) [ 499.914340][T10394] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 499.914341][T10394] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 499.914343][T10394] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 499.914344][T10394] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 499.914345][T10394] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 499.914348][T10394] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 499.914349][T10394] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 499.914351][T10394] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 499.914353][T10394] ? ____sys_sendmsg (net/socket.c:2713) [ 499.914355][T10394] ? ___sys_sendmsg (net/socket.c:2767) [ 499.914356][T10394] ? __sys_sendmsg (net/socket.c:2799) [ 499.914358][T10394] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 499.914360][T10394] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 499.914363][T10394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 499.914364][T10394] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 499.914366][T10394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 499.914367][T10394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 499.914368][T10394] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 499.914369][T10394] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 499.914371][T10394] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 499.914372][T10394] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 499.914374][T10394] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 499.914375][T10394] ? nla_get_range_signed (lib/nlattr.c:270) [ 499.914378][T10394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 499.914380][T10394] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 499.914382][T10394] rtnl_newlink (net/core/rtnetlink.c:4215) [ 499.914384][T10394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 499.914385][T10394] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 499.914386][T10394] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 499.914388][T10394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 499.914389][T10394] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 499.914392][T10394] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 499.914393][T10394] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 499.914394][T10394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 499.914396][T10394] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 499.914399][T10394] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 499.914401][T10394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 499.914403][T10394] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 499.914404][T10394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 499.914405][T10394] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 499.914407][T10394] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 499.914408][T10394] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 499.914410][T10394] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 499.914411][T10394] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 499.914414][T10394] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 499.914415][T10394] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 499.914417][T10394] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 499.914418][T10394] ? netlink_ack (./include/linux/skbuff.h:2718) [ 499.914420][T10394] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 499.914423][T10394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 499.914424][T10394] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 499.914426][T10394] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 499.914428][T10394] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 499.914430][T10394] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 499.914432][T10394] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 499.914434][T10394] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 499.914436][T10394] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 499.914438][T10394] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 499.914439][T10394] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 499.914442][T10394] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 499.914444][T10394] ____sys_sendmsg (net/socket.c:2713) [ 499.914446][T10394] ? copy_msghdr_from_user (net/socket.c:2650) [ 499.914448][T10394] ? sock_write_iter (net/socket.c:1269) [ 499.914449][T10394] ? move_addr_to_kernel (net/socket.c:258) [ 499.914451][T10394] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 499.914453][T10394] ___sys_sendmsg (net/socket.c:2767) [ 499.914455][T10394] ? copy_msghdr_from_user (net/socket.c:2619) [ 499.914460][T10394] __sys_sendmsg (net/socket.c:2799) [ 499.914462][T10394] ? __sys_sendmsg_sock (net/socket.c:2780) [ 499.914465][T10394] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 499.914466][T10394] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 499.914468][T10394] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 499.914470][T10394] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 499.914471][T10394] RIP: 0033:0x7f6e7047f54e [ 499.914474][T10394] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 499.914475][T10394] RSP: 002b:00007ffd273e51f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 499.914479][T10394] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6e7047f54e [ 499.914480][T10394] RDX: 0000000000000000 RSI: 00007ffd273e52a0 RDI: 0000000000000005 [ 499.914481][T10394] RBP: 00007ffd273e5200 R08: 0000000000000000 R09: 0000000000000000 [ 499.914482][T10394] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919005 [ 499.914483][T10394] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd273e5960 | [ 501.008340][T10451] softirqs last disabled at (0): 0x0 | [ 501.008342][T10451] Preemption disabled at: | [ 501.008343][T10451] vprintk_emit (kernel/printk/printk.c:2471) | [ 501.008353][T10451] Tainted: [W]=WARN [ 501.008354][T10451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 501.008356][T10451] Call Trace: [ 501.008358][T10451] [ 501.008359][T10451] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 501.008365][T10451] ? vprintk_emit (kernel/printk/printk.c:2471) [ 501.008366][T10451] __might_resched.cold (kernel/sched/core.c:9234) [ 501.008370][T10451] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 501.008372][T10451] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 501.008376][T10451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.008378][T10451] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 501.008381][T10451] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 501.008384][T10451] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 501.008389][T10451] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 501.008391][T10451] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 501.008393][T10451] put_chars (drivers/char/virtio_console.c:1176) [ 501.008395][T10451] ? __send_to_port (drivers/char/virtio_console.c:654) [ 501.008397][T10451] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 501.008399][T10451] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 501.008404][T10451] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 501.008406][T10451] ? vsnprintf (lib/vsprintf.c:2900) [ 501.008409][T10451] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 501.008411][T10451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.008412][T10451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.008414][T10451] console_emit_next_record (kernel/printk/printk.c:3183) [ 501.008417][T10451] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 501.008419][T10451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.008420][T10451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.008421][T10451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.008422][T10451] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 501.008424][T10451] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 501.008426][T10451] console_flush_one_record (kernel/printk/printk.c:3268) [ 501.008429][T10451] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 501.008432][T10451] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 501.008433][T10451] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 501.008435][T10451] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 501.008437][T10451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.008438][T10451] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 501.008439][T10451] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 501.008441][T10451] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 501.008442][T10451] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 501.008444][T10451] ? vprintk_emit (kernel/printk/printk.c:2478) [ 501.008446][T10451] vprintk_emit (kernel/printk/printk.c:2479) [ 501.008447][T10451] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 501.008449][T10451] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 501.008450][T10451] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 501.008453][T10451] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 501.008455][T10451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.008456][T10451] _printk (kernel/printk/printk.c:2504) [ 501.008459][T10451] ? snapshot_read.cold (user.c:?) [ 501.008461][T10451] ? br_multicast_flood (??:?) [ 501.008465][T10451] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 501.008468][T10451] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 501.008469][T10451] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 501.008471][T10451] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 501.008474][T10451] br_init_port (net/bridge/br_stp_if.c:39) [ 501.008475][T10451] new_nbp (net/bridge/br_if.c:449) [ 501.008477][T10451] br_add_if (net/bridge/br_if.c:592) [ 501.008479][T10451] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 501.008484][T10451] do_set_master (net/core/rtnetlink.c:3071) [ 501.008486][T10451] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 501.008487][T10451] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 501.008489][T10451] ? __dev_get_by_name (net/core/dev.c:905) [ 501.008491][T10451] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 501.008494][T10451] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 501.008497][T10451] rtnl_newlink (net/core/rtnetlink.c:4215) [ 501.008499][T10451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.008500][T10451] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 501.008501][T10451] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 501.008503][T10451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.008504][T10451] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 501.008507][T10451] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 501.008508][T10451] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 501.008511][T10451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.008512][T10451] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 501.008513][T10451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.008515][T10451] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 501.008516][T10451] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 501.008518][T10451] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 501.008519][T10451] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 501.008521][T10451] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 501.008524][T10451] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 501.008527][T10451] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 501.008529][T10451] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 501.008530][T10451] ? netlink_ack (./include/linux/skbuff.h:2718) [ 501.008532][T10451] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 501.008535][T10451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.008536][T10451] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 501.008538][T10451] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 501.008540][T10451] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 501.008542][T10451] ? next_uptodate_folio (mm/filemap.c:3747) [ 501.008545][T10451] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 501.008548][T10451] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 501.008550][T10451] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 501.008551][T10451] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 501.008555][T10451] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 501.008558][T10451] ____sys_sendmsg (net/socket.c:2713) [ 501.008559][T10451] ? copy_msghdr_from_user (net/socket.c:2650) [ 501.008561][T10451] ? sock_write_iter (net/socket.c:1269) [ 501.008563][T10451] ? move_addr_to_kernel (net/socket.c:258) [ 501.008565][T10451] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 501.008567][T10451] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 501.008569][T10451] ___sys_sendmsg (net/socket.c:2767) [ 501.008571][T10451] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 501.008573][T10451] ? copy_msghdr_from_user (net/socket.c:2619) [ 501.008574][T10451] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 501.008579][T10451] __sys_sendmsg (net/socket.c:2799) [ 501.008581][T10451] ? __sys_sendmsg_sock (net/socket.c:2780) [ 501.008584][T10451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.008585][T10451] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 501.008587][T10451] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 501.008589][T10451] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 501.008591][T10451] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 501.008593][T10451] RIP: 0033:0x7f2d43bd254e [ 501.008595][T10451] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 501.008597][T10451] RSP: 002b:00007ffc21c37360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 501.008601][T10451] RAX: ffffffffffffffda RBX: 00007ffc21c37b28 RCX: 00007f2d43bd254e [ 501.008602][T10451] RDX: 0000000000000000 RSI: 00007ffc21c37410 RDI: 0000000000000005 [ 501.008603][T10451] RBP: 00007ffc21c37370 R08: 0000000000000000 R09: 0000000000000000 [ 501.008604][T10451] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919006 [ 501.008605][T10451] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc21c37ae0 | [ 507.804981][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 507.804983][ T69] Preemption disabled at: | [ 507.804984][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 507.804995][ T69] Tainted: [W]=WARN [ 507.804996][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 507.804997][ T69] Workqueue: netns cleanup_net [ 507.805003][ T69] Call Trace: [ 507.805005][ T69] [ 507.805007][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 507.805012][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 507.805014][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 507.805017][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 507.805019][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 507.805023][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 507.805025][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 507.805028][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 507.805031][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 507.805036][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 507.805038][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 507.805040][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 507.805042][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 507.805044][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 507.805047][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 507.805052][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 507.805053][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 507.805056][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 507.805058][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 507.805059][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 507.805061][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 507.805063][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 507.805065][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 507.805066][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 507.805067][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 507.805069][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 507.805071][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 507.805073][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 507.805075][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 507.805078][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 507.805080][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 507.805082][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 507.805083][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 507.805084][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 507.805086][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 507.805088][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 507.805089][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 507.805091][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 507.805093][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 507.805095][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 507.805096][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 507.805097][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 507.805100][ T69] ? kthread (kernel/kthread.c:436) [ 507.805103][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 507.805106][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 507.805108][ T69] _printk (kernel/printk/printk.c:2504) [ 507.805111][ T69] ? snapshot_read.cold (user.c:?) [ 507.805114][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 507.805117][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 507.805119][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 507.805122][ T69] ? netdev_notice (net/core/dev.c:13194) [ 507.805124][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 507.805125][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 507.805127][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 507.805130][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 507.805131][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 507.805133][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 507.805135][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 507.805138][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 507.805142][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 507.805144][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 507.805146][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 507.805149][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 507.805151][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 507.805153][ T69] cleanup_net (net/core/net_namespace.c:706) [ 507.805155][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 507.805157][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 507.805159][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 507.805161][ T69] process_one_work (kernel/workqueue.c:3387) [ 507.805164][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 507.805166][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 507.805169][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 507.805171][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 507.805173][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 507.805175][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 507.805180][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 507.805182][ T69] kthread (kernel/kthread.c:436) [ 507.805184][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 507.805186][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 507.805188][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 507.805189][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 507.805191][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 507.805194][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 507.805196][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 508.964394][T10613] softirqs last disabled at (0): 0x0 | [ 508.964396][T10613] Preemption disabled at: | [ 508.964396][T10613] vprintk_emit (kernel/printk/printk.c:2471) | [ 508.964407][T10613] Tainted: [W]=WARN [ 508.964408][T10613] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 508.964410][T10613] Call Trace: [ 508.964411][T10613] [ 508.964413][T10613] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 508.964418][T10613] ? vprintk_emit (kernel/printk/printk.c:2471) [ 508.964420][T10613] __might_resched.cold (kernel/sched/core.c:9234) [ 508.964423][T10613] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 508.964425][T10613] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 508.964429][T10613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 508.964431][T10613] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 508.964434][T10613] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 508.964437][T10613] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 508.964442][T10613] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 508.964444][T10613] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 508.964446][T10613] put_chars (drivers/char/virtio_console.c:1176) [ 508.964448][T10613] ? __send_to_port (drivers/char/virtio_console.c:654) [ 508.964450][T10613] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 508.964452][T10613] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 508.964457][T10613] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 508.964459][T10613] ? vsnprintf (lib/vsprintf.c:2900) [ 508.964462][T10613] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 508.964464][T10613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 508.964465][T10613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 508.964466][T10613] console_emit_next_record (kernel/printk/printk.c:3183) [ 508.964469][T10613] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 508.964471][T10613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 508.964472][T10613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 508.964473][T10613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 508.964475][T10613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 508.964477][T10613] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 508.964479][T10613] console_flush_one_record (kernel/printk/printk.c:3268) [ 508.964482][T10613] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 508.964484][T10613] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 508.964486][T10613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 508.964488][T10613] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 508.964490][T10613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 508.964491][T10613] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 508.964492][T10613] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 508.964494][T10613] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 508.964495][T10613] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 508.964497][T10613] ? vprintk_emit (kernel/printk/printk.c:2478) [ 508.964499][T10613] vprintk_emit (kernel/printk/printk.c:2479) [ 508.964501][T10613] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 508.964502][T10613] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 508.964504][T10613] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 508.964507][T10613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 508.964508][T10613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 508.964510][T10613] _printk (kernel/printk/printk.c:2504) [ 508.964512][T10613] ? snapshot_read.cold (user.c:?) [ 508.964514][T10613] ? br_multicast_flood (??:?) [ 508.964518][T10613] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 508.964521][T10613] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 508.964522][T10613] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 508.964524][T10613] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 508.964527][T10613] br_init_port (net/bridge/br_stp_if.c:39) [ 508.964528][T10613] new_nbp (net/bridge/br_if.c:449) [ 508.964531][T10613] br_add_if (net/bridge/br_if.c:592) [ 508.964532][T10613] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 508.964537][T10613] do_set_master (net/core/rtnetlink.c:3071) [ 508.964539][T10613] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 508.964540][T10613] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 508.964542][T10613] ? __dev_get_by_name (net/core/dev.c:905) [ 508.964544][T10613] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 508.964547][T10613] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 508.964550][T10613] rtnl_newlink (net/core/rtnetlink.c:4215) [ 508.964552][T10613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 508.964553][T10613] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 508.964554][T10613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 508.964556][T10613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 508.964557][T10613] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 508.964560][T10613] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 508.964562][T10613] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 508.964564][T10613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 508.964565][T10613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 508.964567][T10613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 508.964568][T10613] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 508.964570][T10613] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 508.964571][T10613] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 508.964573][T10613] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 508.964574][T10613] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 508.964578][T10613] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 508.964581][T10613] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 508.964582][T10613] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 508.964584][T10613] ? netlink_ack (./include/linux/skbuff.h:2718) [ 508.964586][T10613] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 508.964589][T10613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 508.964590][T10613] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 508.964592][T10613] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 508.964595][T10613] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 508.964597][T10613] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 508.964599][T10613] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 508.964602][T10613] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 508.964605][T10613] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 508.964607][T10613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 508.964608][T10613] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 508.964612][T10613] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 508.964614][T10613] ____sys_sendmsg (net/socket.c:2713) [ 508.964616][T10613] ? copy_msghdr_from_user (net/socket.c:2650) [ 508.964618][T10613] ? sock_write_iter (net/socket.c:1269) [ 508.964619][T10613] ? move_addr_to_kernel (net/socket.c:258) [ 508.964622][T10613] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 508.964624][T10613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 508.964626][T10613] ___sys_sendmsg (net/socket.c:2767) [ 508.964628][T10613] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 508.964630][T10613] ? copy_msghdr_from_user (net/socket.c:2619) [ 508.964632][T10613] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 508.964636][T10613] __sys_sendmsg (net/socket.c:2799) [ 508.964638][T10613] ? __sys_sendmsg_sock (net/socket.c:2780) [ 508.964641][T10613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 508.964642][T10613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 508.964644][T10613] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 508.964646][T10613] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 508.964648][T10613] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 508.964650][T10613] RIP: 0033:0x7fd17112154e [ 508.964652][T10613] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 508.964654][T10613] RSP: 002b:00007ffeebf08f50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 508.964657][T10613] RAX: ffffffffffffffda RBX: 00007ffeebf09718 RCX: 00007fd17112154e [ 508.964659][T10613] RDX: 0000000000000000 RSI: 00007ffeebf09000 RDI: 0000000000000005 [ 508.964660][T10613] RBP: 00007ffeebf08f60 R08: 0000000000000000 R09: 0000000000000000 [ 508.964661][T10613] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91900e [ 508.964662][T10613] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeebf096d0 | [ 510.321339][T10682] softirqs last disabled at (0): 0x0 | [ 510.321341][T10682] Preemption disabled at: | [ 510.321342][T10682] vprintk_emit (kernel/printk/printk.c:2471) | [ 510.321352][T10682] Tainted: [W]=WARN [ 510.321353][T10682] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 510.321354][T10682] Call Trace: [ 510.321356][T10682] [ 510.321357][T10682] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 510.321363][T10682] ? vprintk_emit (kernel/printk/printk.c:2471) [ 510.321365][T10682] __might_resched.cold (kernel/sched/core.c:9234) [ 510.321368][T10682] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 510.321372][T10682] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.321374][T10682] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 510.321378][T10682] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 510.321381][T10682] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 510.321386][T10682] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 510.321387][T10682] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 510.321390][T10682] put_chars (drivers/char/virtio_console.c:1176) [ 510.321392][T10682] ? __send_to_port (drivers/char/virtio_console.c:654) [ 510.321393][T10682] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 510.321396][T10682] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 510.321398][T10682] ? pointer (lib/vsprintf.c:2577) [ 510.321401][T10682] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 510.321406][T10682] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 510.321408][T10682] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 510.321410][T10682] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 510.321413][T10682] console_emit_next_record (kernel/printk/printk.c:3183) [ 510.321416][T10682] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 510.321418][T10682] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.321419][T10682] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.321420][T10682] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.321421][T10682] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 510.321423][T10682] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 510.321425][T10682] console_flush_one_record (kernel/printk/printk.c:3268) [ 510.321427][T10682] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 510.321430][T10682] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 510.321432][T10682] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 510.321434][T10682] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 510.321436][T10682] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.321437][T10682] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 510.321438][T10682] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 510.321440][T10682] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 510.321441][T10682] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 510.321443][T10682] ? vprintk_emit (kernel/printk/printk.c:2478) [ 510.321444][T10682] vprintk_emit (kernel/printk/printk.c:2479) [ 510.321446][T10682] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 510.321447][T10682] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 510.321450][T10682] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 510.321453][T10682] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 510.321456][T10682] _printk (kernel/printk/printk.c:2504) [ 510.321459][T10682] ? snapshot_read.cold (user.c:?) [ 510.321461][T10682] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 510.321463][T10682] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 510.321466][T10682] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 510.321468][T10682] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 510.321471][T10682] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 510.321474][T10682] ? netdev_notice (net/core/dev.c:13194) [ 510.321476][T10682] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 510.321478][T10682] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 510.321480][T10682] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 510.321482][T10682] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.321483][T10682] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.321484][T10682] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 510.321485][T10682] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 510.321487][T10682] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 510.321488][T10682] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 510.321490][T10682] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 510.321491][T10682] ? register_netdev (net/core/dev.c:11618) [ 510.321493][T10682] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 510.321495][T10682] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 510.321497][T10682] ? __kernel_text_address (kernel/extable.c:79) [ 510.321500][T10682] ? write_profile (profile.c:?) [ 510.321503][T10682] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 510.321507][T10682] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 510.321509][T10682] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 510.321510][T10682] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 510.321512][T10682] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.321513][T10682] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 510.321516][T10682] ? kasan_save_stack (mm/kasan/common.c:58) [ 510.321518][T10682] ? kasan_save_stack (mm/kasan/common.c:57) [ 510.321519][T10682] ? kasan_save_track (mm/kasan/common.c:78) [ 510.321520][T10682] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 510.321521][T10682] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 510.321522][T10682] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 510.321524][T10682] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 510.321525][T10682] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 510.321528][T10682] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 510.321530][T10682] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 510.321531][T10682] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 510.321534][T10682] ? ____sys_sendmsg (net/socket.c:2713) [ 510.321535][T10682] ? ___sys_sendmsg (net/socket.c:2767) [ 510.321537][T10682] ? __sys_sendmsg (net/socket.c:2799) [ 510.321539][T10682] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 510.321541][T10682] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 510.321544][T10682] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.321545][T10682] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 510.321546][T10682] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.321547][T10682] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.321549][T10682] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 510.321550][T10682] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 510.321551][T10682] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 510.321553][T10682] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 510.321554][T10682] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 510.321555][T10682] ? nla_get_range_signed (lib/nlattr.c:270) [ 510.321559][T10682] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.321560][T10682] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 510.321562][T10682] rtnl_newlink (net/core/rtnetlink.c:4215) [ 510.321564][T10682] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.321565][T10682] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 510.321567][T10682] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 510.321568][T10682] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.321570][T10682] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 510.321572][T10682] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 510.321573][T10682] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 510.321575][T10682] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.321576][T10682] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 510.321579][T10682] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 510.321582][T10682] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.321583][T10682] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 510.321585][T10682] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.321586][T10682] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 510.321587][T10682] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 510.321589][T10682] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 510.321590][T10682] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 510.321592][T10682] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 510.321595][T10682] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 510.321596][T10682] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 510.321598][T10682] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 510.321599][T10682] ? netlink_ack (./include/linux/skbuff.h:2718) [ 510.321601][T10682] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 510.321604][T10682] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.321605][T10682] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 510.321607][T10682] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 510.321610][T10682] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 510.321612][T10682] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 510.321613][T10682] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 510.321616][T10682] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 510.321617][T10682] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 510.321619][T10682] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 510.321621][T10682] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 510.321624][T10682] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 510.321626][T10682] ____sys_sendmsg (net/socket.c:2713) [ 510.321627][T10682] ? copy_msghdr_from_user (net/socket.c:2650) [ 510.321629][T10682] ? sock_write_iter (net/socket.c:1269) [ 510.321631][T10682] ? move_addr_to_kernel (net/socket.c:258) [ 510.321632][T10682] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 510.321635][T10682] ___sys_sendmsg (net/socket.c:2767) [ 510.321637][T10682] ? copy_msghdr_from_user (net/socket.c:2619) [ 510.321642][T10682] __sys_sendmsg (net/socket.c:2799) [ 510.321644][T10682] ? __sys_sendmsg_sock (net/socket.c:2780) [ 510.321647][T10682] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 510.321648][T10682] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 510.321650][T10682] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 510.321652][T10682] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 510.321654][T10682] RIP: 0033:0x7fd60e21054e [ 510.321656][T10682] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 510.321657][T10682] RSP: 002b:00007ffe6d7b0b10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 510.321661][T10682] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd60e21054e [ 510.321662][T10682] RDX: 0000000000000000 RSI: 00007ffe6d7b0bc0 RDI: 0000000000000005 [ 510.321663][T10682] RBP: 00007ffe6d7b0b20 R08: 0000000000000000 R09: 0000000000000000 [ 510.321664][T10682] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91900f [ 510.321665][T10682] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6d7b1280 | [ 511.510627][T10732] softirqs last disabled at (0): 0x0 | [ 511.510630][T10732] Preemption disabled at: | [ 511.510631][T10732] vprintk_emit (kernel/printk/printk.c:2471) | [ 511.510644][T10732] Tainted: [W]=WARN [ 511.510646][T10732] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 511.510649][T10732] Call Trace: [ 511.510651][T10732] [ 511.510652][T10732] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 511.510659][T10732] ? vprintk_emit (kernel/printk/printk.c:2471) [ 511.510661][T10732] __might_resched.cold (kernel/sched/core.c:9234) [ 511.510666][T10732] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 511.510669][T10732] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 511.510674][T10732] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.510677][T10732] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 511.510681][T10732] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 511.510685][T10732] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 511.510692][T10732] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 511.510694][T10732] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 511.510698][T10732] put_chars (drivers/char/virtio_console.c:1176) [ 511.510701][T10732] ? __send_to_port (drivers/char/virtio_console.c:654) [ 511.510704][T10732] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 511.510708][T10732] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 511.510714][T10732] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 511.510716][T10732] ? vsnprintf (lib/vsprintf.c:2900) [ 511.510720][T10732] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 511.510723][T10732] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.510724][T10732] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.510727][T10732] console_emit_next_record (kernel/printk/printk.c:3183) [ 511.510730][T10732] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 511.510733][T10732] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.510735][T10732] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.510736][T10732] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.510738][T10732] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 511.510741][T10732] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 511.510744][T10732] console_flush_one_record (kernel/printk/printk.c:3268) [ 511.510747][T10732] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 511.510751][T10732] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 511.510753][T10732] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 511.510756][T10732] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 511.510762][T10732] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.510764][T10732] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 511.510766][T10732] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 511.510769][T10732] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 511.510772][T10732] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 511.510775][T10732] ? vprintk_emit (kernel/printk/printk.c:2478) [ 511.510777][T10732] vprintk_emit (kernel/printk/printk.c:2479) [ 511.510780][T10732] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 511.510782][T10732] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 511.510785][T10732] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 511.510789][T10732] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 511.510791][T10732] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.510794][T10732] _printk (kernel/printk/printk.c:2504) [ 511.510798][T10732] ? snapshot_read.cold (user.c:?) [ 511.510801][T10732] ? br_multicast_flood (??:?) [ 511.510806][T10732] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 511.510810][T10732] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 511.510812][T10732] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 511.510815][T10732] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 511.510819][T10732] br_init_port (net/bridge/br_stp_if.c:39) [ 511.510822][T10732] new_nbp (net/bridge/br_if.c:449) [ 511.510826][T10732] br_add_if (net/bridge/br_if.c:592) [ 511.510828][T10732] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 511.510834][T10732] do_set_master (net/core/rtnetlink.c:3071) [ 511.510838][T10732] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 511.510841][T10732] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 511.510843][T10732] ? __dev_get_by_name (net/core/dev.c:905) [ 511.510846][T10732] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 511.510852][T10732] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 511.510856][T10732] rtnl_newlink (net/core/rtnetlink.c:4215) [ 511.510859][T10732] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.510862][T10732] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 511.510864][T10732] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 511.510866][T10732] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.510869][T10732] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 511.510872][T10732] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 511.510875][T10732] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 511.510879][T10732] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.510881][T10732] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 511.510883][T10732] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.510885][T10732] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 511.510887][T10732] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 511.510891][T10732] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 511.510893][T10732] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 511.510895][T10732] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 511.510900][T10732] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 511.510905][T10732] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 511.510907][T10732] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 511.510909][T10732] ? netlink_ack (./include/linux/skbuff.h:2718) [ 511.510912][T10732] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 511.510916][T10732] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.510919][T10732] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 511.510922][T10732] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 511.510925][T10732] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 511.510928][T10732] ? next_uptodate_folio (mm/filemap.c:3747) [ 511.510933][T10732] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 511.510936][T10732] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 511.510939][T10732] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 511.510942][T10732] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 511.510946][T10732] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 511.510950][T10732] ____sys_sendmsg (net/socket.c:2713) [ 511.510953][T10732] ? copy_msghdr_from_user (net/socket.c:2650) [ 511.510956][T10732] ? sock_write_iter (net/socket.c:1269) [ 511.510958][T10732] ? move_addr_to_kernel (net/socket.c:258) [ 511.510962][T10732] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 511.510965][T10732] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 511.510968][T10732] ___sys_sendmsg (net/socket.c:2767) [ 511.510971][T10732] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 511.510974][T10732] ? copy_msghdr_from_user (net/socket.c:2619) [ 511.510976][T10732] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 511.510984][T10732] __sys_sendmsg (net/socket.c:2799) [ 511.510987][T10732] ? __sys_sendmsg_sock (net/socket.c:2780) [ 511.510991][T10732] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.510994][T10732] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 511.510996][T10732] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 511.511000][T10732] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 511.511003][T10732] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 511.511006][T10732] RIP: 0033:0x7f3d3a41c54e [ 511.511009][T10732] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 511.511012][T10732] RSP: 002b:00007ffc397ea060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 511.511017][T10732] RAX: ffffffffffffffda RBX: 00007ffc397ea828 RCX: 00007f3d3a41c54e [ 511.511019][T10732] RDX: 0000000000000000 RSI: 00007ffc397ea110 RDI: 0000000000000005 [ 511.511021][T10732] RBP: 00007ffc397ea070 R08: 0000000000000000 R09: 0000000000000000 [ 511.511023][T10732] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919010 [ 511.511024][T10732] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc397ea7e0 | [ 518.404293][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 518.404295][ T69] Preemption disabled at: | [ 518.404296][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 518.404306][ T69] Tainted: [W]=WARN [ 518.404307][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 518.404309][ T69] Workqueue: netns cleanup_net [ 518.404315][ T69] Call Trace: [ 518.404317][ T69] [ 518.404318][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 518.404324][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 518.404325][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 518.404329][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 518.404332][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 518.404335][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 518.404338][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 518.404341][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 518.404344][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 518.404348][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 518.404350][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 518.404353][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 518.404355][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 518.404356][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 518.404359][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 518.404364][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 518.404366][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 518.404368][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 518.404370][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 518.404371][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 518.404373][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 518.404375][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 518.404377][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 518.404379][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 518.404380][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 518.404381][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 518.404383][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 518.404385][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 518.404388][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 518.404390][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 518.404392][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 518.404394][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 518.404396][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 518.404397][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 518.404398][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 518.404400][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 518.404401][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 518.404403][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 518.404405][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 518.404407][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 518.404408][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 518.404409][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 518.404412][ T69] ? kthread (kernel/kthread.c:436) [ 518.404414][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 518.404417][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 518.404420][ T69] _printk (kernel/printk/printk.c:2504) [ 518.404423][ T69] ? snapshot_read.cold (user.c:?) [ 518.404425][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 518.404429][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 518.404431][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 518.404433][ T69] ? netdev_notice (net/core/dev.c:13194) [ 518.404435][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 518.404437][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 518.404438][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 518.404441][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 518.404443][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 518.404444][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 518.404446][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 518.404449][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 518.404453][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 518.404455][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 518.404458][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 518.404460][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 518.404462][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 518.404465][ T69] cleanup_net (net/core/net_namespace.c:706) [ 518.404467][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 518.404468][ T69] ? update_load_avg (kernel/sched/fair.c:5864) [ 518.404471][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 518.404473][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 518.404474][ T69] process_one_work (kernel/workqueue.c:3387) [ 518.404477][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 518.404480][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 518.404482][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 518.404485][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 518.404487][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 518.404488][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 518.404490][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 518.404492][ T69] kthread (kernel/kthread.c:436) [ 518.404494][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 518.404496][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 518.404498][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 518.404499][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 518.404501][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 518.404504][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 518.404506][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 519.693330][T10895] softirqs last disabled at (0): 0x0 | [ 519.693332][T10895] Preemption disabled at: | [ 519.693333][T10895] vprintk_emit (kernel/printk/printk.c:2471) | [ 519.693343][T10895] Tainted: [W]=WARN [ 519.693344][T10895] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 519.693345][T10895] Call Trace: [ 519.693347][T10895] [ 519.693348][T10895] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 519.693353][T10895] ? vprintk_emit (kernel/printk/printk.c:2471) [ 519.693355][T10895] __might_resched.cold (kernel/sched/core.c:9234) [ 519.693358][T10895] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 519.693361][T10895] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 519.693364][T10895] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 519.693367][T10895] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 519.693370][T10895] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 519.693373][T10895] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 519.693377][T10895] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 519.693379][T10895] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 519.693382][T10895] put_chars (drivers/char/virtio_console.c:1176) [ 519.693383][T10895] ? __send_to_port (drivers/char/virtio_console.c:654) [ 519.693385][T10895] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 519.693388][T10895] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 519.693392][T10895] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 519.693394][T10895] ? vsnprintf (lib/vsprintf.c:2900) [ 519.693397][T10895] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 519.693399][T10895] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 519.693400][T10895] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 519.693402][T10895] console_emit_next_record (kernel/printk/printk.c:3183) [ 519.693405][T10895] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 519.693407][T10895] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 519.693408][T10895] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 519.693409][T10895] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 519.693410][T10895] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 519.693412][T10895] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 519.693414][T10895] console_flush_one_record (kernel/printk/printk.c:3268) [ 519.693417][T10895] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 519.693420][T10895] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 519.693421][T10895] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 519.693423][T10895] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 519.693425][T10895] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 519.693426][T10895] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 519.693427][T10895] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 519.693429][T10895] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 519.693430][T10895] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 519.693432][T10895] ? vprintk_emit (kernel/printk/printk.c:2478) [ 519.693434][T10895] vprintk_emit (kernel/printk/printk.c:2479) [ 519.693436][T10895] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 519.693437][T10895] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 519.693439][T10895] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 519.693441][T10895] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 519.693443][T10895] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 519.693444][T10895] _printk (kernel/printk/printk.c:2504) [ 519.693448][T10895] ? snapshot_read.cold (user.c:?) [ 519.693450][T10895] ? br_multicast_flood (??:?) [ 519.693453][T10895] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 519.693456][T10895] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 519.693457][T10895] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 519.693459][T10895] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 519.693461][T10895] br_init_port (net/bridge/br_stp_if.c:39) [ 519.693464][T10895] new_nbp (net/bridge/br_if.c:449) [ 519.693466][T10895] br_add_if (net/bridge/br_if.c:592) [ 519.693468][T10895] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 519.693472][T10895] do_set_master (net/core/rtnetlink.c:3071) [ 519.693474][T10895] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 519.693476][T10895] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 519.693477][T10895] ? __dev_get_by_name (net/core/dev.c:905) [ 519.693479][T10895] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 519.693482][T10895] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 519.693485][T10895] rtnl_newlink (net/core/rtnetlink.c:4215) [ 519.693487][T10895] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 519.693488][T10895] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 519.693489][T10895] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 519.693491][T10895] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 519.693492][T10895] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 519.693495][T10895] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 519.693496][T10895] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 519.693499][T10895] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 519.693500][T10895] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 519.693502][T10895] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 519.693503][T10895] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 519.693504][T10895] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 519.693506][T10895] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 519.693507][T10895] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 519.693509][T10895] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 519.693512][T10895] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 519.693515][T10895] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 519.693517][T10895] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 519.693518][T10895] ? netlink_ack (./include/linux/skbuff.h:2718) [ 519.693520][T10895] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 519.693523][T10895] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 519.693524][T10895] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 519.693526][T10895] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 519.693528][T10895] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 519.693530][T10895] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 519.693533][T10895] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 519.693536][T10895] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 519.693538][T10895] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 519.693540][T10895] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 519.693541][T10895] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 519.693545][T10895] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 519.693548][T10895] ____sys_sendmsg (net/socket.c:2713) [ 519.693550][T10895] ? copy_msghdr_from_user (net/socket.c:2650) [ 519.693552][T10895] ? sock_write_iter (net/socket.c:1269) [ 519.693553][T10895] ? move_addr_to_kernel (net/socket.c:258) [ 519.693555][T10895] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 519.693558][T10895] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 519.693560][T10895] ___sys_sendmsg (net/socket.c:2767) [ 519.693561][T10895] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 519.693563][T10895] ? copy_msghdr_from_user (net/socket.c:2619) [ 519.693565][T10895] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 519.693570][T10895] __sys_sendmsg (net/socket.c:2799) [ 519.693572][T10895] ? __sys_sendmsg_sock (net/socket.c:2780) [ 519.693574][T10895] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 519.693576][T10895] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 519.693577][T10895] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 519.693580][T10895] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 519.693581][T10895] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 519.693583][T10895] RIP: 0033:0x7f01d2c9f54e [ 519.693585][T10895] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 519.693587][T10895] RSP: 002b:00007ffd8b04bea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 519.693591][T10895] RAX: ffffffffffffffda RBX: 00007ffd8b04c668 RCX: 00007f01d2c9f54e [ 519.693592][T10895] RDX: 0000000000000000 RSI: 00007ffd8b04bf50 RDI: 0000000000000005 [ 519.693593][T10895] RBP: 00007ffd8b04beb0 R08: 0000000000000000 R09: 0000000000000000 [ 519.693594][T10895] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919019 [ 519.693595][T10895] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8b04c620 | [ 521.028239][T10964] softirqs last disabled at (0): 0x0 | [ 521.028241][T10964] Preemption disabled at: | [ 521.028242][T10964] vprintk_emit (kernel/printk/printk.c:2471) | [ 521.028253][T10964] Tainted: [W]=WARN [ 521.028254][T10964] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 521.028256][T10964] Call Trace: [ 521.028257][T10964] [ 521.028258][T10964] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 521.028264][T10964] ? vprintk_emit (kernel/printk/printk.c:2471) [ 521.028265][T10964] __might_resched.cold (kernel/sched/core.c:9234) [ 521.028269][T10964] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 521.028273][T10964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 521.028276][T10964] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 521.028279][T10964] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 521.028282][T10964] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 521.028287][T10964] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 521.028288][T10964] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 521.028291][T10964] put_chars (drivers/char/virtio_console.c:1176) [ 521.028293][T10964] ? __send_to_port (drivers/char/virtio_console.c:654) [ 521.028294][T10964] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 521.028296][T10964] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 521.028299][T10964] ? pointer (lib/vsprintf.c:2577) [ 521.028302][T10964] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 521.028307][T10964] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 521.028309][T10964] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 521.028311][T10964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 521.028313][T10964] console_emit_next_record (kernel/printk/printk.c:3183) [ 521.028316][T10964] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 521.028318][T10964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 521.028319][T10964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 521.028320][T10964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 521.028321][T10964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 521.028323][T10964] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 521.028325][T10964] console_flush_one_record (kernel/printk/printk.c:3268) [ 521.028327][T10964] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 521.028330][T10964] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 521.028332][T10964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 521.028333][T10964] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 521.028335][T10964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 521.028336][T10964] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 521.028338][T10964] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 521.028340][T10964] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 521.028341][T10964] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 521.028343][T10964] ? vprintk_emit (kernel/printk/printk.c:2478) [ 521.028344][T10964] vprintk_emit (kernel/printk/printk.c:2479) [ 521.028346][T10964] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 521.028347][T10964] ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12) [ 521.028350][T10964] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 521.028352][T10964] _printk (kernel/printk/printk.c:2504) [ 521.028355][T10964] ? snapshot_read.cold (user.c:?) [ 521.028357][T10964] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 521.028359][T10964] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 521.028362][T10964] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 521.028364][T10964] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 521.028367][T10964] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 521.028369][T10964] ? netdev_notice (net/core/dev.c:13194) [ 521.028371][T10964] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 521.028373][T10964] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 521.028376][T10964] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 521.028377][T10964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 521.028378][T10964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 521.028380][T10964] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 521.028382][T10964] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 521.028384][T10964] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 521.028385][T10964] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 521.028387][T10964] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 521.028388][T10964] ? register_netdev (net/core/dev.c:11618) [ 521.028390][T10964] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 521.028392][T10964] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 521.028394][T10964] ? __kernel_text_address (kernel/extable.c:79) [ 521.028397][T10964] ? write_profile (profile.c:?) [ 521.028400][T10964] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 521.028403][T10964] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 521.028405][T10964] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 521.028407][T10964] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 521.028408][T10964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 521.028409][T10964] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 521.028412][T10964] ? kasan_save_stack (mm/kasan/common.c:58) [ 521.028414][T10964] ? kasan_save_stack (mm/kasan/common.c:57) [ 521.028415][T10964] ? kasan_save_track (mm/kasan/common.c:78) [ 521.028416][T10964] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 521.028417][T10964] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 521.028419][T10964] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 521.028420][T10964] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 521.028421][T10964] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 521.028424][T10964] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 521.028425][T10964] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 521.028427][T10964] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 521.028430][T10964] ? ____sys_sendmsg (net/socket.c:2713) [ 521.028431][T10964] ? ___sys_sendmsg (net/socket.c:2767) [ 521.028433][T10964] ? __sys_sendmsg (net/socket.c:2799) [ 521.028434][T10964] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 521.028437][T10964] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 521.028439][T10964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 521.028440][T10964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 521.028442][T10964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 521.028443][T10964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 521.028444][T10964] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 521.028446][T10964] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 521.028447][T10964] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 521.028448][T10964] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 521.028450][T10964] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 521.028451][T10964] ? nla_get_range_signed (lib/nlattr.c:270) [ 521.028454][T10964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 521.028455][T10964] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 521.028457][T10964] rtnl_newlink (net/core/rtnetlink.c:4215) [ 521.028460][T10964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 521.028461][T10964] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 521.028462][T10964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 521.028463][T10964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 521.028465][T10964] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 521.028467][T10964] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 521.028469][T10964] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 521.028470][T10964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 521.028471][T10964] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 521.028475][T10964] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 521.028477][T10964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 521.028478][T10964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 521.028480][T10964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 521.028481][T10964] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 521.028482][T10964] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 521.028484][T10964] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 521.028485][T10964] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 521.028487][T10964] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 521.028489][T10964] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 521.028491][T10964] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 521.028492][T10964] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 521.028494][T10964] ? netlink_ack (./include/linux/skbuff.h:2718) [ 521.028496][T10964] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 521.028499][T10964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 521.028500][T10964] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 521.028502][T10964] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 521.028504][T10964] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 521.028506][T10964] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 521.028508][T10964] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 521.028510][T10964] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 521.028512][T10964] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 521.028513][T10964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 521.028515][T10964] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 521.028518][T10964] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 521.028520][T10964] ____sys_sendmsg (net/socket.c:2713) [ 521.028522][T10964] ? copy_msghdr_from_user (net/socket.c:2650) [ 521.028524][T10964] ? sock_write_iter (net/socket.c:1269) [ 521.028525][T10964] ? move_addr_to_kernel (net/socket.c:258) [ 521.028527][T10964] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 521.028529][T10964] ___sys_sendmsg (net/socket.c:2767) [ 521.028531][T10964] ? copy_msghdr_from_user (net/socket.c:2619) [ 521.028538][T10964] __sys_sendmsg (net/socket.c:2799) [ 521.028540][T10964] ? __sys_sendmsg_sock (net/socket.c:2780) [ 521.028543][T10964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 521.028545][T10964] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 521.028546][T10964] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 521.028548][T10964] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 521.028550][T10964] RIP: 0033:0x7f78ab8be54e [ 521.028552][T10964] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 521.028553][T10964] RSP: 002b:00007ffd4e887fd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 521.028557][T10964] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f78ab8be54e [ 521.028558][T10964] RDX: 0000000000000000 RSI: 00007ffd4e888080 RDI: 0000000000000005 [ 521.028559][T10964] RBP: 00007ffd4e887fe0 R08: 0000000000000000 R09: 0000000000000000 [ 521.028560][T10964] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91901a [ 521.028561][T10964] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4e888740 | [ 522.099334][T11014] softirqs last disabled at (0): 0x0 | [ 522.099335][T11014] Preemption disabled at: | [ 522.099336][T11014] vprintk_emit (kernel/printk/printk.c:2471) | [ 522.099346][T11014] Tainted: [W]=WARN [ 522.099347][T11014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 522.099349][T11014] Call Trace: [ 522.099350][T11014] [ 522.099351][T11014] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 522.099357][T11014] ? vprintk_emit (kernel/printk/printk.c:2471) [ 522.099359][T11014] __might_resched.cold (kernel/sched/core.c:9234) [ 522.099362][T11014] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 522.099365][T11014] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 522.099368][T11014] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.099371][T11014] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 522.099374][T11014] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 522.099377][T11014] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 522.099382][T11014] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 522.099383][T11014] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 522.099386][T11014] put_chars (drivers/char/virtio_console.c:1176) [ 522.099388][T11014] ? __send_to_port (drivers/char/virtio_console.c:654) [ 522.099389][T11014] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 522.099392][T11014] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 522.099397][T11014] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 522.099398][T11014] ? vsnprintf (lib/vsprintf.c:2900) [ 522.099402][T11014] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 522.099403][T11014] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.099404][T11014] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.099406][T11014] console_emit_next_record (kernel/printk/printk.c:3183) [ 522.099409][T11014] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 522.099411][T11014] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.099412][T11014] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.099413][T11014] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.099414][T11014] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 522.099417][T11014] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 522.099419][T11014] console_flush_one_record (kernel/printk/printk.c:3268) [ 522.099421][T11014] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 522.099424][T11014] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 522.099426][T11014] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 522.099427][T11014] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 522.099429][T11014] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.099430][T11014] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 522.099432][T11014] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 522.099433][T11014] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 522.099435][T11014] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 522.099436][T11014] ? vprintk_emit (kernel/printk/printk.c:2478) [ 522.099438][T11014] vprintk_emit (kernel/printk/printk.c:2479) [ 522.099440][T11014] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 522.099441][T11014] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 522.099442][T11014] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 522.099446][T11014] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 522.099447][T11014] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.099449][T11014] _printk (kernel/printk/printk.c:2504) [ 522.099452][T11014] ? snapshot_read.cold (user.c:?) [ 522.099454][T11014] ? br_multicast_flood (??:?) [ 522.099457][T11014] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 522.099460][T11014] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 522.099461][T11014] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 522.099463][T11014] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 522.099466][T11014] br_init_port (net/bridge/br_stp_if.c:39) [ 522.099468][T11014] new_nbp (net/bridge/br_if.c:449) [ 522.099470][T11014] br_add_if (net/bridge/br_if.c:592) [ 522.099472][T11014] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 522.099476][T11014] do_set_master (net/core/rtnetlink.c:3071) [ 522.099478][T11014] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 522.099480][T11014] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 522.099481][T11014] ? __dev_get_by_name (net/core/dev.c:905) [ 522.099483][T11014] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 522.099486][T11014] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 522.099489][T11014] rtnl_newlink (net/core/rtnetlink.c:4215) [ 522.099491][T11014] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.099492][T11014] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 522.099494][T11014] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 522.099495][T11014] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.099496][T11014] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 522.099499][T11014] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 522.099501][T11014] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 522.099503][T11014] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.099504][T11014] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 522.099506][T11014] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.099507][T11014] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 522.099508][T11014] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 522.099510][T11014] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 522.099512][T11014] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 522.099513][T11014] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 522.099517][T11014] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 522.099520][T11014] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 522.099521][T11014] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 522.099523][T11014] ? netlink_ack (./include/linux/skbuff.h:2718) [ 522.099524][T11014] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 522.099527][T11014] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.099528][T11014] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 522.099530][T11014] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 522.099532][T11014] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 522.099535][T11014] ? next_uptodate_folio (mm/filemap.c:3747) [ 522.099537][T11014] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 522.099540][T11014] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 522.099542][T11014] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 522.099543][T11014] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 522.099547][T11014] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 522.099550][T11014] ____sys_sendmsg (net/socket.c:2713) [ 522.099551][T11014] ? copy_msghdr_from_user (net/socket.c:2650) [ 522.099553][T11014] ? sock_write_iter (net/socket.c:1269) [ 522.099555][T11014] ? move_addr_to_kernel (net/socket.c:258) [ 522.099557][T11014] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 522.099559][T11014] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 522.099561][T11014] ___sys_sendmsg (net/socket.c:2767) [ 522.099563][T11014] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 522.099565][T11014] ? copy_msghdr_from_user (net/socket.c:2619) [ 522.099566][T11014] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 522.099571][T11014] __sys_sendmsg (net/socket.c:2799) [ 522.099573][T11014] ? __sys_sendmsg_sock (net/socket.c:2780) [ 522.099576][T11014] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.099577][T11014] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 522.099578][T11014] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 522.099581][T11014] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 522.099583][T11014] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 522.099585][T11014] RIP: 0033:0x7fd0bff6c54e [ 522.099587][T11014] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 522.099589][T11014] RSP: 002b:00007ffcf0c69130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 522.099592][T11014] RAX: ffffffffffffffda RBX: 00007ffcf0c698f8 RCX: 00007fd0bff6c54e [ 522.099594][T11014] RDX: 0000000000000000 RSI: 00007ffcf0c691e0 RDI: 0000000000000005 [ 522.099594][T11014] RBP: 00007ffcf0c69140 R08: 0000000000000000 R09: 0000000000000000 [ 522.099595][T11014] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91901b [ 522.099596][T11014] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf0c698b0 | [ 528.925669][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 528.925671][ T69] Preemption disabled at: | [ 528.925672][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 528.925682][ T69] Tainted: [W]=WARN [ 528.925682][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 528.925684][ T69] Workqueue: netns cleanup_net [ 528.925690][ T69] Call Trace: [ 528.925692][ T69] [ 528.925693][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 528.925699][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 528.925700][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 528.925704][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 528.925706][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 528.925709][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.925711][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 528.925714][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 528.925717][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 528.925722][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 528.925723][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 528.925726][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 528.925728][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 528.925730][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 528.925732][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 528.925737][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 528.925738][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 528.925741][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 528.925742][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.925744][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.925745][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 528.925748][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 528.925750][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.925751][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.925752][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.925753][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 528.925756][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 528.925758][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 528.925760][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 528.925763][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 528.925765][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 528.925766][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 528.925768][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.925769][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 528.925771][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 528.925772][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 528.925774][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 528.925776][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 528.925777][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 528.925779][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 528.925781][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 528.925782][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 528.925785][ T69] ? kthread (kernel/kthread.c:436) [ 528.925787][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 528.925790][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 528.925793][ T69] _printk (kernel/printk/printk.c:2504) [ 528.925796][ T69] ? snapshot_read.cold (user.c:?) [ 528.925798][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 528.925801][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 528.925803][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 528.925806][ T69] ? netdev_notice (net/core/dev.c:13194) [ 528.925808][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.925809][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 528.925810][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 528.925813][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 528.925815][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 528.925816][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 528.925819][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 528.925821][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 528.925829][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 528.925831][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 528.925834][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 528.925836][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 528.925838][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 528.925841][ T69] cleanup_net (net/core/net_namespace.c:706) [ 528.925843][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 528.925845][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 528.925846][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 528.925848][ T69] process_one_work (kernel/workqueue.c:3387) [ 528.925851][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 528.925853][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 528.925856][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 528.925858][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 528.925860][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 528.925862][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 528.925864][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 528.925866][ T69] kthread (kernel/kthread.c:436) [ 528.925868][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 528.925869][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 528.925872][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 528.925873][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 528.925875][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 528.925878][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 528.925880][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 530.172013][T11176] softirqs last disabled at (0): 0x0 | [ 530.172015][T11176] Preemption disabled at: | [ 530.172015][T11176] vprintk_emit (kernel/printk/printk.c:2471) | [ 530.172025][T11176] Tainted: [W]=WARN [ 530.172026][T11176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 530.172028][T11176] Call Trace: [ 530.172030][T11176] [ 530.172031][T11176] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 530.172037][T11176] ? vprintk_emit (kernel/printk/printk.c:2471) [ 530.172038][T11176] __might_resched.cold (kernel/sched/core.c:9234) [ 530.172042][T11176] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 530.172044][T11176] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 530.172047][T11176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 530.172050][T11176] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 530.172053][T11176] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 530.172056][T11176] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 530.172061][T11176] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 530.172063][T11176] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 530.172065][T11176] put_chars (drivers/char/virtio_console.c:1176) [ 530.172067][T11176] ? __send_to_port (drivers/char/virtio_console.c:654) [ 530.172069][T11176] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 530.172072][T11176] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 530.172076][T11176] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 530.172078][T11176] ? vsnprintf (lib/vsprintf.c:2900) [ 530.172081][T11176] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 530.172083][T11176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 530.172084][T11176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 530.172086][T11176] console_emit_next_record (kernel/printk/printk.c:3183) [ 530.172089][T11176] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 530.172091][T11176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 530.172092][T11176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 530.172093][T11176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 530.172094][T11176] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 530.172096][T11176] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 530.172098][T11176] console_flush_one_record (kernel/printk/printk.c:3268) [ 530.172101][T11176] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 530.172103][T11176] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 530.172105][T11176] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 530.172107][T11176] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 530.172109][T11176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 530.172110][T11176] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 530.172111][T11176] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 530.172113][T11176] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 530.172114][T11176] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 530.172117][T11176] ? vprintk_emit (kernel/printk/printk.c:2478) [ 530.172118][T11176] vprintk_emit (kernel/printk/printk.c:2479) [ 530.172120][T11176] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 530.172121][T11176] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 530.172123][T11176] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 530.172126][T11176] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 530.172127][T11176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 530.172129][T11176] _printk (kernel/printk/printk.c:2504) [ 530.172132][T11176] ? snapshot_read.cold (user.c:?) [ 530.172134][T11176] ? br_multicast_flood (??:?) [ 530.172138][T11176] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 530.172141][T11176] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 530.172142][T11176] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 530.172144][T11176] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 530.172146][T11176] br_init_port (net/bridge/br_stp_if.c:39) [ 530.172148][T11176] new_nbp (net/bridge/br_if.c:449) [ 530.172150][T11176] br_add_if (net/bridge/br_if.c:592) [ 530.172152][T11176] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 530.172157][T11176] do_set_master (net/core/rtnetlink.c:3071) [ 530.172159][T11176] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 530.172160][T11176] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 530.172162][T11176] ? __dev_get_by_name (net/core/dev.c:905) [ 530.172164][T11176] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 530.172167][T11176] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 530.172170][T11176] rtnl_newlink (net/core/rtnetlink.c:4215) [ 530.172172][T11176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 530.172173][T11176] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 530.172174][T11176] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 530.172176][T11176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 530.172177][T11176] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 530.172182][T11176] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 530.172184][T11176] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 530.172186][T11176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 530.172187][T11176] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 530.172189][T11176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 530.172190][T11176] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 530.172192][T11176] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 530.172194][T11176] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 530.172195][T11176] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 530.172197][T11176] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 530.172200][T11176] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 530.172204][T11176] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 530.172205][T11176] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 530.172207][T11176] ? netlink_ack (./include/linux/skbuff.h:2718) [ 530.172209][T11176] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 530.172211][T11176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 530.172213][T11176] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 530.172215][T11176] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 530.172217][T11176] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 530.172219][T11176] ? next_uptodate_folio (mm/filemap.c:3747) [ 530.172222][T11176] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 530.172224][T11176] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 530.172226][T11176] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 530.172228][T11176] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 530.172231][T11176] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 530.172234][T11176] ____sys_sendmsg (net/socket.c:2713) [ 530.172236][T11176] ? copy_msghdr_from_user (net/socket.c:2650) [ 530.172238][T11176] ? sock_write_iter (net/socket.c:1269) [ 530.172239][T11176] ? move_addr_to_kernel (net/socket.c:258) [ 530.172241][T11176] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 530.172244][T11176] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 530.172246][T11176] ___sys_sendmsg (net/socket.c:2767) [ 530.172247][T11176] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 530.172249][T11176] ? copy_msghdr_from_user (net/socket.c:2619) [ 530.172251][T11176] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 530.172255][T11176] __sys_sendmsg (net/socket.c:2799) [ 530.172258][T11176] ? __sys_sendmsg_sock (net/socket.c:2780) [ 530.172260][T11176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 530.172261][T11176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 530.172263][T11176] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 530.172266][T11176] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 530.172268][T11176] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 530.172270][T11176] RIP: 0033:0x7fd4ced4654e [ 530.172272][T11176] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 530.172274][T11176] RSP: 002b:00007fff88efd350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 530.172277][T11176] RAX: ffffffffffffffda RBX: 00007fff88efdb18 RCX: 00007fd4ced4654e [ 530.172279][T11176] RDX: 0000000000000000 RSI: 00007fff88efd400 RDI: 0000000000000005 [ 530.172280][T11176] RBP: 00007fff88efd360 R08: 0000000000000000 R09: 0000000000000000 [ 530.172280][T11176] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919023 [ 530.172281][T11176] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff88efdad0 | [ 531.505128][T11246] softirqs last disabled at (0): 0x0 | [ 531.505130][T11246] Preemption disabled at: | [ 531.505131][T11246] vprintk_emit (kernel/printk/printk.c:2471) | [ 531.505141][T11246] Tainted: [W]=WARN [ 531.505142][T11246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 531.505144][T11246] Call Trace: [ 531.505146][T11246] [ 531.505147][T11246] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 531.505152][T11246] ? vprintk_emit (kernel/printk/printk.c:2471) [ 531.505154][T11246] __might_resched.cold (kernel/sched/core.c:9234) [ 531.505158][T11246] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 531.505161][T11246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.505164][T11246] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 531.505167][T11246] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 531.505170][T11246] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 531.505175][T11246] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 531.505177][T11246] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 531.505183][T11246] put_chars (drivers/char/virtio_console.c:1176) [ 531.505184][T11246] ? __send_to_port (drivers/char/virtio_console.c:654) [ 531.505186][T11246] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 531.505188][T11246] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 531.505190][T11246] ? pointer (lib/vsprintf.c:2577) [ 531.505194][T11246] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 531.505199][T11246] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 531.505200][T11246] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 531.505202][T11246] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 531.505205][T11246] console_emit_next_record (kernel/printk/printk.c:3183) [ 531.505208][T11246] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 531.505210][T11246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.505211][T11246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.505212][T11246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.505213][T11246] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 531.505215][T11246] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 531.505217][T11246] console_flush_one_record (kernel/printk/printk.c:3268) [ 531.505220][T11246] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 531.505222][T11246] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 531.505224][T11246] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 531.505226][T11246] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 531.505228][T11246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.505229][T11246] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 531.505230][T11246] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 531.505232][T11246] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 531.505233][T11246] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 531.505235][T11246] ? vprintk_emit (kernel/printk/printk.c:2478) [ 531.505237][T11246] vprintk_emit (kernel/printk/printk.c:2479) [ 531.505239][T11246] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 531.505240][T11246] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 531.505243][T11246] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 531.505246][T11246] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 531.505248][T11246] _printk (kernel/printk/printk.c:2504) [ 531.505251][T11246] ? snapshot_read.cold (user.c:?) [ 531.505253][T11246] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 531.505256][T11246] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 531.505259][T11246] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 531.505261][T11246] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 531.505264][T11246] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 531.505266][T11246] ? netdev_notice (net/core/dev.c:13194) [ 531.505268][T11246] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 531.505270][T11246] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 531.505273][T11246] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 531.505274][T11246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.505275][T11246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.505277][T11246] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 531.505278][T11246] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 531.505280][T11246] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 531.505281][T11246] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 531.505282][T11246] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 531.505284][T11246] ? register_netdev (net/core/dev.c:11618) [ 531.505285][T11246] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 531.505287][T11246] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 531.505290][T11246] ? __kernel_text_address (kernel/extable.c:79) [ 531.505292][T11246] ? write_profile (profile.c:?) [ 531.505295][T11246] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 531.505299][T11246] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 531.505301][T11246] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 531.505303][T11246] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 531.505304][T11246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.505305][T11246] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 531.505309][T11246] ? kasan_save_stack (mm/kasan/common.c:58) [ 531.505310][T11246] ? kasan_save_stack (mm/kasan/common.c:57) [ 531.505311][T11246] ? kasan_save_track (mm/kasan/common.c:78) [ 531.505313][T11246] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 531.505314][T11246] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 531.505315][T11246] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 531.505316][T11246] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 531.505317][T11246] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 531.505321][T11246] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 531.505322][T11246] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 531.505324][T11246] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 531.505327][T11246] ? ____sys_sendmsg (net/socket.c:2713) [ 531.505328][T11246] ? ___sys_sendmsg (net/socket.c:2767) [ 531.505330][T11246] ? __sys_sendmsg (net/socket.c:2799) [ 531.505331][T11246] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 531.505334][T11246] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 531.505336][T11246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.505337][T11246] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 531.505339][T11246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.505340][T11246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.505341][T11246] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 531.505343][T11246] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 531.505344][T11246] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 531.505345][T11246] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 531.505347][T11246] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 531.505348][T11246] ? nla_get_range_signed (lib/nlattr.c:270) [ 531.505351][T11246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.505353][T11246] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 531.505355][T11246] rtnl_newlink (net/core/rtnetlink.c:4215) [ 531.505357][T11246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.505358][T11246] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 531.505359][T11246] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 531.505361][T11246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.505362][T11246] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 531.505364][T11246] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 531.505366][T11246] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 531.505367][T11246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.505369][T11246] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 531.505372][T11246] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 531.505375][T11246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.505376][T11246] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 531.505377][T11246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.505378][T11246] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 531.505380][T11246] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 531.505381][T11246] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 531.505383][T11246] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 531.505385][T11246] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 531.505387][T11246] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 531.505389][T11246] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 531.505390][T11246] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 531.505392][T11246] ? netlink_ack (./include/linux/skbuff.h:2718) [ 531.505393][T11246] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 531.505396][T11246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.505397][T11246] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 531.505399][T11246] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 531.505402][T11246] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 531.505403][T11246] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 531.505405][T11246] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 531.505408][T11246] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 531.505409][T11246] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 531.505411][T11246] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 531.505413][T11246] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 531.505416][T11246] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 531.505417][T11246] ____sys_sendmsg (net/socket.c:2713) [ 531.505419][T11246] ? copy_msghdr_from_user (net/socket.c:2650) [ 531.505421][T11246] ? sock_write_iter (net/socket.c:1269) [ 531.505422][T11246] ? move_addr_to_kernel (net/socket.c:258) [ 531.505424][T11246] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 531.505427][T11246] ___sys_sendmsg (net/socket.c:2767) [ 531.505428][T11246] ? copy_msghdr_from_user (net/socket.c:2619) [ 531.505433][T11246] __sys_sendmsg (net/socket.c:2799) [ 531.505435][T11246] ? __sys_sendmsg_sock (net/socket.c:2780) [ 531.505438][T11246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 531.505440][T11246] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 531.505441][T11246] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 531.505443][T11246] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 531.505445][T11246] RIP: 0033:0x7fe431d5c54e [ 531.505447][T11246] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 531.505448][T11246] RSP: 002b:00007ffe80804f30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 531.505452][T11246] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe431d5c54e [ 531.505453][T11246] RDX: 0000000000000000 RSI: 00007ffe80804fe0 RDI: 0000000000000005 [ 531.505454][T11246] RBP: 00007ffe80804f40 R08: 0000000000000000 R09: 0000000000000000 [ 531.505455][T11246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919024 [ 531.505456][T11246] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe808056a0 | [ 532.564584][T11296] softirqs last disabled at (0): 0x0 | [ 532.564586][T11296] Preemption disabled at: | [ 532.564587][T11296] vprintk_emit (kernel/printk/printk.c:2471) | [ 532.564597][T11296] Tainted: [W]=WARN [ 532.564598][T11296] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 532.564599][T11296] Call Trace: [ 532.564601][T11296] [ 532.564602][T11296] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 532.564608][T11296] ? vprintk_emit (kernel/printk/printk.c:2471) [ 532.564609][T11296] __might_resched.cold (kernel/sched/core.c:9234) [ 532.564613][T11296] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 532.564615][T11296] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 532.564619][T11296] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.564622][T11296] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 532.564625][T11296] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 532.564628][T11296] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 532.564633][T11296] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 532.564635][T11296] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 532.564637][T11296] put_chars (drivers/char/virtio_console.c:1176) [ 532.564639][T11296] ? __send_to_port (drivers/char/virtio_console.c:654) [ 532.564641][T11296] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 532.564644][T11296] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 532.564649][T11296] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 532.564650][T11296] ? vsnprintf (lib/vsprintf.c:2900) [ 532.564654][T11296] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 532.564655][T11296] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.564656][T11296] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.564658][T11296] console_emit_next_record (kernel/printk/printk.c:3183) [ 532.564661][T11296] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 532.564663][T11296] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.564664][T11296] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.564665][T11296] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.564666][T11296] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 532.564668][T11296] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 532.564670][T11296] console_flush_one_record (kernel/printk/printk.c:3268) [ 532.564673][T11296] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 532.564675][T11296] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 532.564677][T11296] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 532.564679][T11296] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 532.564681][T11296] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.564682][T11296] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 532.564683][T11296] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 532.564685][T11296] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 532.564686][T11296] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 532.564688][T11296] ? vprintk_emit (kernel/printk/printk.c:2478) [ 532.564689][T11296] vprintk_emit (kernel/printk/printk.c:2479) [ 532.564691][T11296] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 532.564692][T11296] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 532.564694][T11296] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 532.564697][T11296] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 532.564699][T11296] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.564700][T11296] _printk (kernel/printk/printk.c:2504) [ 532.564703][T11296] ? snapshot_read.cold (user.c:?) [ 532.564705][T11296] ? br_multicast_flood (??:?) [ 532.564709][T11296] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 532.564711][T11296] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 532.564713][T11296] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 532.564714][T11296] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 532.564717][T11296] br_init_port (net/bridge/br_stp_if.c:39) [ 532.564719][T11296] new_nbp (net/bridge/br_if.c:449) [ 532.564721][T11296] br_add_if (net/bridge/br_if.c:592) [ 532.564723][T11296] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 532.564728][T11296] do_set_master (net/core/rtnetlink.c:3071) [ 532.564730][T11296] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 532.564731][T11296] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 532.564733][T11296] ? __dev_get_by_name (net/core/dev.c:905) [ 532.564735][T11296] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 532.564738][T11296] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 532.564741][T11296] rtnl_newlink (net/core/rtnetlink.c:4215) [ 532.564743][T11296] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.564744][T11296] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 532.564746][T11296] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 532.564747][T11296] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.564749][T11296] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 532.564752][T11296] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 532.564753][T11296] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 532.564756][T11296] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.564757][T11296] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 532.564758][T11296] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.564760][T11296] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 532.564761][T11296] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 532.564763][T11296] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 532.564764][T11296] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 532.564766][T11296] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 532.564770][T11296] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 532.564773][T11296] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 532.564774][T11296] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 532.564776][T11296] ? netlink_ack (./include/linux/skbuff.h:2718) [ 532.564778][T11296] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 532.564780][T11296] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.564782][T11296] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 532.564784][T11296] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 532.564786][T11296] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 532.564788][T11296] ? next_uptodate_folio (mm/filemap.c:3747) [ 532.564791][T11296] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 532.564793][T11296] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 532.564795][T11296] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 532.564797][T11296] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 532.564800][T11296] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 532.564803][T11296] ____sys_sendmsg (net/socket.c:2713) [ 532.564805][T11296] ? copy_msghdr_from_user (net/socket.c:2650) [ 532.564807][T11296] ? sock_write_iter (net/socket.c:1269) [ 532.564808][T11296] ? move_addr_to_kernel (net/socket.c:258) [ 532.564810][T11296] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 532.564813][T11296] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 532.564815][T11296] ___sys_sendmsg (net/socket.c:2767) [ 532.564816][T11296] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 532.564818][T11296] ? copy_msghdr_from_user (net/socket.c:2619) [ 532.564820][T11296] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 532.564825][T11296] __sys_sendmsg (net/socket.c:2799) [ 532.564827][T11296] ? __sys_sendmsg_sock (net/socket.c:2780) [ 532.564829][T11296] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.564831][T11296] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 532.564832][T11296] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 532.564835][T11296] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 532.564840][T11296] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 532.564842][T11296] RIP: 0033:0x7ff585ad154e [ 532.564844][T11296] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 532.564846][T11296] RSP: 002b:00007fff8015a0b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 532.564850][T11296] RAX: ffffffffffffffda RBX: 00007fff8015a878 RCX: 00007ff585ad154e [ 532.564851][T11296] RDX: 0000000000000000 RSI: 00007fff8015a160 RDI: 0000000000000005 [ 532.564852][T11296] RBP: 00007fff8015a0c0 R08: 0000000000000000 R09: 0000000000000000 [ 532.564853][T11296] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919025 [ 532.564854][T11296] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8015a830 | [ 539.420792][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 539.420795][ T69] Preemption disabled at: | [ 539.420796][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 539.420806][ T69] Tainted: [W]=WARN [ 539.420807][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 539.420809][ T69] Workqueue: netns cleanup_net [ 539.420814][ T69] Call Trace: [ 539.420815][ T69] [ 539.420817][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 539.420823][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 539.420824][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 539.420828][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 539.420830][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 539.420834][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 539.420836][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 539.420839][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 539.420842][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 539.420846][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 539.420848][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 539.420851][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 539.420852][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 539.420854][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 539.420857][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 539.420866][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 539.420868][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 539.420870][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 539.420872][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 539.420873][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 539.420875][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 539.420878][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 539.420880][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 539.420881][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 539.420882][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 539.420883][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 539.420886][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 539.420887][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 539.420890][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 539.420893][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 539.420895][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 539.420897][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 539.420898][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 539.420899][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 539.420901][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 539.420903][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 539.420904][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 539.420906][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 539.420908][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 539.420910][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 539.420911][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 539.420912][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 539.420915][ T69] ? kthread (kernel/kthread.c:436) [ 539.420917][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 539.420920][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 539.420922][ T69] _printk (kernel/printk/printk.c:2504) [ 539.420926][ T69] ? snapshot_read.cold (user.c:?) [ 539.420928][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 539.420931][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 539.420933][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 539.420936][ T69] ? netdev_notice (net/core/dev.c:13194) [ 539.420938][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 539.420940][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 539.420941][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 539.420944][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 539.420946][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 539.420947][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 539.420949][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 539.420952][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 539.420956][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 539.420958][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 539.420961][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 539.420963][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 539.420965][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 539.420968][ T69] cleanup_net (net/core/net_namespace.c:706) [ 539.420970][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 539.420972][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 539.420974][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 539.420975][ T69] process_one_work (kernel/workqueue.c:3387) [ 539.420978][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 539.420981][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 539.420984][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 539.420986][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 539.420988][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 539.420990][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 539.420992][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 539.420993][ T69] kthread (kernel/kthread.c:436) [ 539.420995][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 539.420997][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 539.420999][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 539.421001][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 539.421003][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 539.421005][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 539.421007][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 540.692299][T11458] softirqs last disabled at (0): 0x0 | [ 540.692301][T11458] Preemption disabled at: | [ 540.692302][T11458] vprintk_emit (kernel/printk/printk.c:2471) | [ 540.692312][T11458] Tainted: [W]=WARN [ 540.692313][T11458] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 540.692315][T11458] Call Trace: [ 540.692316][T11458] [ 540.692318][T11458] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 540.692323][T11458] ? vprintk_emit (kernel/printk/printk.c:2471) [ 540.692325][T11458] __might_resched.cold (kernel/sched/core.c:9234) [ 540.692328][T11458] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 540.692330][T11458] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 540.692334][T11458] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 540.692336][T11458] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 540.692339][T11458] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 540.692342][T11458] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 540.692347][T11458] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 540.692349][T11458] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 540.692352][T11458] put_chars (drivers/char/virtio_console.c:1176) [ 540.692353][T11458] ? __send_to_port (drivers/char/virtio_console.c:654) [ 540.692355][T11458] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 540.692358][T11458] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 540.692363][T11458] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 540.692365][T11458] ? vsnprintf (lib/vsprintf.c:2900) [ 540.692368][T11458] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 540.692369][T11458] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 540.692371][T11458] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 540.692372][T11458] console_emit_next_record (kernel/printk/printk.c:3183) [ 540.692375][T11458] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 540.692377][T11458] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 540.692378][T11458] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 540.692379][T11458] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 540.692380][T11458] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 540.692383][T11458] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 540.692385][T11458] console_flush_one_record (kernel/printk/printk.c:3268) [ 540.692387][T11458] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 540.692390][T11458] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 540.692392][T11458] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 540.692393][T11458] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 540.692395][T11458] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 540.692396][T11458] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 540.692398][T11458] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 540.692399][T11458] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 540.692401][T11458] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 540.692403][T11458] ? vprintk_emit (kernel/printk/printk.c:2478) [ 540.692404][T11458] vprintk_emit (kernel/printk/printk.c:2479) [ 540.692406][T11458] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 540.692407][T11458] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 540.692409][T11458] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 540.692412][T11458] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 540.692414][T11458] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 540.692415][T11458] _printk (kernel/printk/printk.c:2504) [ 540.692418][T11458] ? snapshot_read.cold (user.c:?) [ 540.692420][T11458] ? br_multicast_flood (??:?) [ 540.692424][T11458] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 540.692426][T11458] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 540.692427][T11458] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 540.692429][T11458] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 540.692432][T11458] br_init_port (net/bridge/br_stp_if.c:39) [ 540.692434][T11458] new_nbp (net/bridge/br_if.c:449) [ 540.692436][T11458] br_add_if (net/bridge/br_if.c:592) [ 540.692438][T11458] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 540.692442][T11458] do_set_master (net/core/rtnetlink.c:3071) [ 540.692444][T11458] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 540.692446][T11458] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 540.692447][T11458] ? __dev_get_by_name (net/core/dev.c:905) [ 540.692449][T11458] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 540.692453][T11458] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 540.692455][T11458] rtnl_newlink (net/core/rtnetlink.c:4215) [ 540.692457][T11458] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 540.692459][T11458] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 540.692460][T11458] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 540.692462][T11458] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 540.692463][T11458] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 540.692466][T11458] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 540.692468][T11458] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 540.692470][T11458] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 540.692471][T11458] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 540.692473][T11458] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 540.692474][T11458] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 540.692476][T11458] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 540.692478][T11458] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 540.692479][T11458] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 540.692480][T11458] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 540.692484][T11458] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 540.692487][T11458] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 540.692489][T11458] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 540.692490][T11458] ? netlink_ack (./include/linux/skbuff.h:2718) [ 540.692492][T11458] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 540.692495][T11458] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 540.692496][T11458] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 540.692498][T11458] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 540.692500][T11458] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 540.692502][T11458] ? next_uptodate_folio (mm/filemap.c:3747) [ 540.692506][T11458] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 540.692508][T11458] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 540.692510][T11458] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 540.692511][T11458] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 540.692515][T11458] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 540.692518][T11458] ____sys_sendmsg (net/socket.c:2713) [ 540.692520][T11458] ? copy_msghdr_from_user (net/socket.c:2650) [ 540.692522][T11458] ? sock_write_iter (net/socket.c:1269) [ 540.692523][T11458] ? move_addr_to_kernel (net/socket.c:258) [ 540.692526][T11458] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 540.692528][T11458] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 540.692530][T11458] ___sys_sendmsg (net/socket.c:2767) [ 540.692531][T11458] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 540.692533][T11458] ? copy_msghdr_from_user (net/socket.c:2619) [ 540.692535][T11458] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 540.692540][T11458] __sys_sendmsg (net/socket.c:2799) [ 540.692542][T11458] ? __sys_sendmsg_sock (net/socket.c:2780) [ 540.692545][T11458] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 540.692546][T11458] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 540.692548][T11458] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 540.692550][T11458] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 540.692552][T11458] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 540.692554][T11458] RIP: 0033:0x7f2e6539954e [ 540.692557][T11458] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 540.692558][T11458] RSP: 002b:00007ffef12e2f20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 540.692562][T11458] RAX: ffffffffffffffda RBX: 00007ffef12e36e8 RCX: 00007f2e6539954e [ 540.692563][T11458] RDX: 0000000000000000 RSI: 00007ffef12e2fd0 RDI: 0000000000000005 [ 540.692564][T11458] RBP: 00007ffef12e2f30 R08: 0000000000000000 R09: 0000000000000000 [ 540.692565][T11458] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91902e [ 540.692566][T11458] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef12e36a0 | [ 542.051362][T11527] softirqs last disabled at (0): 0x0 | [ 542.051364][T11527] Preemption disabled at: | [ 542.051365][T11527] vprintk_emit (kernel/printk/printk.c:2471) | [ 542.051374][T11527] Tainted: [W]=WARN [ 542.051375][T11527] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 542.051377][T11527] Call Trace: [ 542.051378][T11527] [ 542.051380][T11527] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 542.051385][T11527] ? vprintk_emit (kernel/printk/printk.c:2471) [ 542.051387][T11527] __might_resched.cold (kernel/sched/core.c:9234) [ 542.051391][T11527] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 542.051394][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.051397][T11527] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 542.051400][T11527] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 542.051403][T11527] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 542.051408][T11527] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 542.051410][T11527] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 542.051412][T11527] put_chars (drivers/char/virtio_console.c:1176) [ 542.051414][T11527] ? __send_to_port (drivers/char/virtio_console.c:654) [ 542.051415][T11527] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 542.051417][T11527] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 542.051419][T11527] ? pointer (lib/vsprintf.c:2577) [ 542.051423][T11527] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 542.051428][T11527] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 542.051430][T11527] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 542.051431][T11527] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 542.051434][T11527] console_emit_next_record (kernel/printk/printk.c:3183) [ 542.051437][T11527] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 542.051439][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.051440][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.051441][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.051442][T11527] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 542.051444][T11527] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 542.051446][T11527] console_flush_one_record (kernel/printk/printk.c:3268) [ 542.051448][T11527] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 542.051451][T11527] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 542.051453][T11527] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 542.051455][T11527] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 542.051456][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.051457][T11527] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 542.051459][T11527] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 542.051460][T11527] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 542.051462][T11527] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 542.051464][T11527] ? vprintk_emit (kernel/printk/printk.c:2478) [ 542.051465][T11527] vprintk_emit (kernel/printk/printk.c:2479) [ 542.051467][T11527] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 542.051469][T11527] ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12) [ 542.051471][T11527] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 542.051474][T11527] _printk (kernel/printk/printk.c:2504) [ 542.051477][T11527] ? snapshot_read.cold (user.c:?) [ 542.051479][T11527] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 542.051481][T11527] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 542.051484][T11527] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 542.051486][T11527] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 542.051490][T11527] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 542.051492][T11527] ? netdev_notice (net/core/dev.c:13194) [ 542.051494][T11527] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 542.051496][T11527] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 542.051498][T11527] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 542.051500][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.051501][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.051502][T11527] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 542.051505][T11527] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 542.051507][T11527] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 542.051508][T11527] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 542.051509][T11527] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 542.051511][T11527] ? register_netdev (net/core/dev.c:11618) [ 542.051512][T11527] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 542.051514][T11527] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 542.051517][T11527] ? __kernel_text_address (kernel/extable.c:79) [ 542.051519][T11527] ? write_profile (profile.c:?) [ 542.051522][T11527] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 542.051526][T11527] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 542.051528][T11527] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 542.051529][T11527] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 542.051530][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.051532][T11527] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 542.051535][T11527] ? kasan_save_stack (mm/kasan/common.c:58) [ 542.051537][T11527] ? kasan_save_stack (mm/kasan/common.c:57) [ 542.051538][T11527] ? kasan_save_track (mm/kasan/common.c:78) [ 542.051539][T11527] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 542.051540][T11527] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 542.051541][T11527] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 542.051542][T11527] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 542.051544][T11527] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 542.051547][T11527] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 542.051548][T11527] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 542.051550][T11527] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 542.051552][T11527] ? ____sys_sendmsg (net/socket.c:2713) [ 542.051554][T11527] ? ___sys_sendmsg (net/socket.c:2767) [ 542.051555][T11527] ? __sys_sendmsg (net/socket.c:2799) [ 542.051557][T11527] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 542.051559][T11527] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 542.051561][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.051563][T11527] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 542.051564][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.051565][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.051566][T11527] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 542.051568][T11527] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 542.051569][T11527] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 542.051570][T11527] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 542.051572][T11527] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 542.051573][T11527] ? nla_get_range_signed (lib/nlattr.c:270) [ 542.051576][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.051577][T11527] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 542.051579][T11527] rtnl_newlink (net/core/rtnetlink.c:4215) [ 542.051582][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.051583][T11527] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 542.051584][T11527] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 542.051585][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.051587][T11527] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 542.051589][T11527] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 542.051590][T11527] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 542.051592][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.051593][T11527] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 542.051596][T11527] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 542.051599][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.051600][T11527] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 542.051601][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.051603][T11527] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 542.051604][T11527] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 542.051606][T11527] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 542.051607][T11527] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 542.051609][T11527] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 542.051611][T11527] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 542.051613][T11527] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 542.051614][T11527] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 542.051615][T11527] ? netlink_ack (./include/linux/skbuff.h:2718) [ 542.051617][T11527] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 542.051620][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.051621][T11527] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 542.051623][T11527] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 542.051625][T11527] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 542.051627][T11527] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 542.051629][T11527] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 542.051631][T11527] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 542.051633][T11527] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 542.051635][T11527] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 542.051636][T11527] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 542.051639][T11527] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 542.051641][T11527] ____sys_sendmsg (net/socket.c:2713) [ 542.051643][T11527] ? copy_msghdr_from_user (net/socket.c:2650) [ 542.051645][T11527] ? sock_write_iter (net/socket.c:1269) [ 542.051646][T11527] ? move_addr_to_kernel (net/socket.c:258) [ 542.051648][T11527] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 542.051650][T11527] ___sys_sendmsg (net/socket.c:2767) [ 542.051652][T11527] ? copy_msghdr_from_user (net/socket.c:2619) [ 542.051657][T11527] __sys_sendmsg (net/socket.c:2799) [ 542.051659][T11527] ? __sys_sendmsg_sock (net/socket.c:2780) [ 542.051662][T11527] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 542.051663][T11527] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 542.051665][T11527] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 542.051667][T11527] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 542.051668][T11527] RIP: 0033:0x7f85ad51e54e [ 542.051670][T11527] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 542.051672][T11527] RSP: 002b:00007ffe065359d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 542.051676][T11527] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f85ad51e54e [ 542.051677][T11527] RDX: 0000000000000000 RSI: 00007ffe06535a80 RDI: 0000000000000005 [ 542.051678][T11527] RBP: 00007ffe065359e0 R08: 0000000000000000 R09: 0000000000000000 [ 542.051679][T11527] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91902f [ 542.051680][T11527] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe06536140 | [ 543.151673][T11577] softirqs last disabled at (0): 0x0 | [ 543.151675][T11577] Preemption disabled at: | [ 543.151676][T11577] vprintk_emit (kernel/printk/printk.c:2471) | [ 543.151686][T11577] Tainted: [W]=WARN [ 543.151687][T11577] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 543.151689][T11577] Call Trace: [ 543.151690][T11577] [ 543.151691][T11577] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 543.151697][T11577] ? vprintk_emit (kernel/printk/printk.c:2471) [ 543.151698][T11577] __might_resched.cold (kernel/sched/core.c:9234) [ 543.151702][T11577] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 543.151704][T11577] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 543.151707][T11577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.151710][T11577] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 543.151713][T11577] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 543.151716][T11577] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 543.151721][T11577] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 543.151723][T11577] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 543.151726][T11577] put_chars (drivers/char/virtio_console.c:1176) [ 543.151728][T11577] ? __send_to_port (drivers/char/virtio_console.c:654) [ 543.151729][T11577] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 543.151732][T11577] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 543.151737][T11577] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 543.151738][T11577] ? vsnprintf (lib/vsprintf.c:2900) [ 543.151741][T11577] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 543.151743][T11577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.151744][T11577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.151746][T11577] console_emit_next_record (kernel/printk/printk.c:3183) [ 543.151748][T11577] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 543.151750][T11577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.151751][T11577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.151752][T11577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.151753][T11577] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 543.151756][T11577] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 543.151758][T11577] console_flush_one_record (kernel/printk/printk.c:3268) [ 543.151760][T11577] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 543.151763][T11577] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 543.151765][T11577] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 543.151766][T11577] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 543.151768][T11577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.151769][T11577] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 543.151770][T11577] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 543.151772][T11577] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 543.151773][T11577] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 543.151775][T11577] ? vprintk_emit (kernel/printk/printk.c:2478) [ 543.151777][T11577] vprintk_emit (kernel/printk/printk.c:2479) [ 543.151779][T11577] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 543.151780][T11577] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 543.151782][T11577] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 543.151785][T11577] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 543.151786][T11577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.151788][T11577] _printk (kernel/printk/printk.c:2504) [ 543.151791][T11577] ? snapshot_read.cold (user.c:?) [ 543.151793][T11577] ? br_multicast_flood (??:?) [ 543.151796][T11577] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 543.151799][T11577] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 543.151800][T11577] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 543.151802][T11577] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 543.151805][T11577] br_init_port (net/bridge/br_stp_if.c:39) [ 543.151807][T11577] new_nbp (net/bridge/br_if.c:449) [ 543.151809][T11577] br_add_if (net/bridge/br_if.c:592) [ 543.151811][T11577] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 543.151815][T11577] do_set_master (net/core/rtnetlink.c:3071) [ 543.151817][T11577] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 543.151819][T11577] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 543.151820][T11577] ? __dev_get_by_name (net/core/dev.c:905) [ 543.151822][T11577] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 543.151825][T11577] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 543.151828][T11577] rtnl_newlink (net/core/rtnetlink.c:4215) [ 543.151830][T11577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.151831][T11577] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 543.151832][T11577] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 543.151834][T11577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.151835][T11577] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 543.151838][T11577] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 543.151839][T11577] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 543.151842][T11577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.151843][T11577] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 543.151844][T11577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.151846][T11577] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 543.151847][T11577] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 543.151849][T11577] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 543.151850][T11577] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 543.151852][T11577] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 543.151855][T11577] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 543.151859][T11577] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 543.151860][T11577] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 543.151862][T11577] ? netlink_ack (./include/linux/skbuff.h:2718) [ 543.151863][T11577] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 543.151866][T11577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.151867][T11577] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 543.151869][T11577] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 543.151872][T11577] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 543.151874][T11577] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 543.151881][T11577] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 543.151884][T11577] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 543.151886][T11577] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 543.151888][T11577] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 543.151889][T11577] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 543.151893][T11577] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 543.151896][T11577] ____sys_sendmsg (net/socket.c:2713) [ 543.151898][T11577] ? copy_msghdr_from_user (net/socket.c:2650) [ 543.151899][T11577] ? sock_write_iter (net/socket.c:1269) [ 543.151901][T11577] ? move_addr_to_kernel (net/socket.c:258) [ 543.151903][T11577] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 543.151906][T11577] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 543.151908][T11577] ___sys_sendmsg (net/socket.c:2767) [ 543.151909][T11577] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 543.151911][T11577] ? copy_msghdr_from_user (net/socket.c:2619) [ 543.151913][T11577] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 543.151917][T11577] __sys_sendmsg (net/socket.c:2799) [ 543.151919][T11577] ? __sys_sendmsg_sock (net/socket.c:2780) [ 543.151922][T11577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.151923][T11577] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 543.151924][T11577] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 543.151927][T11577] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 543.151929][T11577] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 543.151930][T11577] RIP: 0033:0x7f5b7c23454e [ 543.151933][T11577] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 543.151934][T11577] RSP: 002b:00007fff0d1a7980 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 543.151938][T11577] RAX: ffffffffffffffda RBX: 00007fff0d1a8148 RCX: 00007f5b7c23454e [ 543.151939][T11577] RDX: 0000000000000000 RSI: 00007fff0d1a7a30 RDI: 0000000000000005 [ 543.151940][T11577] RBP: 00007fff0d1a7990 R08: 0000000000000000 R09: 0000000000000000 [ 543.151941][T11577] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919030 [ 543.151942][T11577] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0d1a8100 | [ 549.967713][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 549.967715][ T69] Preemption disabled at: | [ 549.967716][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 549.967726][ T69] Tainted: [W]=WARN [ 549.967727][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 549.967729][ T69] Workqueue: netns cleanup_net [ 549.967735][ T69] Call Trace: [ 549.967736][ T69] [ 549.967738][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 549.967744][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 549.967745][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 549.967749][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 549.967751][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 549.967755][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.967757][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 549.967760][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 549.967763][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 549.967767][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 549.967769][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 549.967772][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 549.967773][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 549.967775][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 549.967777][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 549.967782][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 549.967784][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 549.967786][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 549.967788][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.967789][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.967790][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 549.967793][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 549.967795][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.967796][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.967797][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.967798][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 549.967801][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 549.967803][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 549.967805][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 549.967808][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 549.967809][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 549.967811][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 549.967813][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.967814][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 549.967815][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 549.967817][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 549.967818][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 549.967821][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 549.967822][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 549.967824][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 549.967825][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 549.967827][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 549.967830][ T69] ? kthread (kernel/kthread.c:436) [ 549.967832][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 549.967834][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 549.967837][ T69] _printk (kernel/printk/printk.c:2504) [ 549.967840][ T69] ? snapshot_read.cold (user.c:?) [ 549.967843][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 549.967846][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 549.967848][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 549.967850][ T69] ? netdev_notice (net/core/dev.c:13194) [ 549.967852][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.967854][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 549.967855][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 549.967858][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 549.967859][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 549.967861][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 549.967863][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 549.967866][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 549.967870][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 549.967872][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 549.967874][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 549.967876][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 549.967878][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 549.967881][ T69] cleanup_net (net/core/net_namespace.c:706) [ 549.967883][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 549.967885][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 549.967886][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.967888][ T69] process_one_work (kernel/workqueue.c:3387) [ 549.967891][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 549.967893][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 549.967896][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 549.967898][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 549.967906][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 549.967908][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 549.967910][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 549.967912][ T69] kthread (kernel/kthread.c:436) [ 549.967913][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 549.967915][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 549.967917][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 549.967918][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 549.967920][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 549.967923][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 549.967925][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 551.185144][T11739] softirqs last disabled at (0): 0x0 | [ 551.185146][T11739] Preemption disabled at: | [ 551.185147][T11739] vprintk_emit (kernel/printk/printk.c:2471) | [ 551.185157][T11739] Tainted: [W]=WARN [ 551.185158][T11739] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 551.185160][T11739] Call Trace: [ 551.185161][T11739] [ 551.185162][T11739] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 551.185168][T11739] ? vprintk_emit (kernel/printk/printk.c:2471) [ 551.185169][T11739] __might_resched.cold (kernel/sched/core.c:9234) [ 551.185173][T11739] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 551.185175][T11739] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 551.185181][T11739] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.185184][T11739] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 551.185187][T11739] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 551.185190][T11739] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 551.185195][T11739] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 551.185197][T11739] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 551.185200][T11739] put_chars (drivers/char/virtio_console.c:1176) [ 551.185201][T11739] ? __send_to_port (drivers/char/virtio_console.c:654) [ 551.185203][T11739] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 551.185206][T11739] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 551.185211][T11739] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 551.185213][T11739] ? vsnprintf (lib/vsprintf.c:2900) [ 551.185216][T11739] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 551.185217][T11739] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.185218][T11739] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.185220][T11739] console_emit_next_record (kernel/printk/printk.c:3183) [ 551.185223][T11739] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 551.185225][T11739] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.185226][T11739] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.185227][T11739] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.185228][T11739] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 551.185231][T11739] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 551.185232][T11739] console_flush_one_record (kernel/printk/printk.c:3268) [ 551.185235][T11739] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 551.185238][T11739] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 551.185240][T11739] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 551.185241][T11739] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 551.185243][T11739] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.185244][T11739] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 551.185246][T11739] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 551.185247][T11739] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 551.185249][T11739] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 551.185251][T11739] ? vprintk_emit (kernel/printk/printk.c:2478) [ 551.185252][T11739] vprintk_emit (kernel/printk/printk.c:2479) [ 551.185254][T11739] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 551.185255][T11739] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 551.185257][T11739] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 551.185260][T11739] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 551.185261][T11739] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.185263][T11739] _printk (kernel/printk/printk.c:2504) [ 551.185266][T11739] ? snapshot_read.cold (user.c:?) [ 551.185268][T11739] ? br_multicast_flood (??:?) [ 551.185271][T11739] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 551.185274][T11739] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 551.185275][T11739] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 551.185277][T11739] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 551.185280][T11739] br_init_port (net/bridge/br_stp_if.c:39) [ 551.185282][T11739] new_nbp (net/bridge/br_if.c:449) [ 551.185284][T11739] br_add_if (net/bridge/br_if.c:592) [ 551.185286][T11739] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 551.185290][T11739] do_set_master (net/core/rtnetlink.c:3071) [ 551.185292][T11739] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 551.185294][T11739] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 551.185295][T11739] ? __dev_get_by_name (net/core/dev.c:905) [ 551.185297][T11739] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 551.185301][T11739] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 551.185303][T11739] rtnl_newlink (net/core/rtnetlink.c:4215) [ 551.185305][T11739] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.185307][T11739] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 551.185308][T11739] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 551.185309][T11739] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.185311][T11739] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 551.185313][T11739] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 551.185315][T11739] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 551.185317][T11739] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.185319][T11739] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 551.185320][T11739] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.185321][T11739] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 551.185323][T11739] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 551.185324][T11739] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 551.185326][T11739] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 551.185327][T11739] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 551.185331][T11739] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 551.185334][T11739] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 551.185336][T11739] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 551.185337][T11739] ? netlink_ack (./include/linux/skbuff.h:2718) [ 551.185339][T11739] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 551.185342][T11739] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.185343][T11739] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 551.185345][T11739] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 551.185347][T11739] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 551.185349][T11739] ? next_uptodate_folio (mm/filemap.c:3747) [ 551.185352][T11739] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 551.185354][T11739] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 551.185356][T11739] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 551.185358][T11739] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 551.185361][T11739] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 551.185364][T11739] ____sys_sendmsg (net/socket.c:2713) [ 551.185366][T11739] ? copy_msghdr_from_user (net/socket.c:2650) [ 551.185368][T11739] ? sock_write_iter (net/socket.c:1269) [ 551.185369][T11739] ? move_addr_to_kernel (net/socket.c:258) [ 551.185371][T11739] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 551.185374][T11739] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 551.185376][T11739] ___sys_sendmsg (net/socket.c:2767) [ 551.185378][T11739] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 551.185379][T11739] ? copy_msghdr_from_user (net/socket.c:2619) [ 551.185381][T11739] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 551.185386][T11739] __sys_sendmsg (net/socket.c:2799) [ 551.185388][T11739] ? __sys_sendmsg_sock (net/socket.c:2780) [ 551.185391][T11739] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.185392][T11739] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 551.185393][T11739] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 551.185396][T11739] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 551.185398][T11739] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 551.185400][T11739] RIP: 0033:0x7fbe1268a54e [ 551.185402][T11739] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 551.185404][T11739] RSP: 002b:00007ffd6eea4b90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 551.185407][T11739] RAX: ffffffffffffffda RBX: 00007ffd6eea5358 RCX: 00007fbe1268a54e [ 551.185409][T11739] RDX: 0000000000000000 RSI: 00007ffd6eea4c40 RDI: 0000000000000005 [ 551.185410][T11739] RBP: 00007ffd6eea4ba0 R08: 0000000000000000 R09: 0000000000000000 [ 551.185411][T11739] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919038 [ 551.185411][T11739] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6eea5310 | [ 552.558342][T11807] softirqs last disabled at (0): 0x0 | [ 552.558344][T11807] Preemption disabled at: | [ 552.558345][T11807] vprintk_emit (kernel/printk/printk.c:2471) | [ 552.558354][T11807] Tainted: [W]=WARN [ 552.558355][T11807] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 552.558357][T11807] Call Trace: [ 552.558359][T11807] [ 552.558360][T11807] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 552.558365][T11807] ? vprintk_emit (kernel/printk/printk.c:2471) [ 552.558367][T11807] __might_resched.cold (kernel/sched/core.c:9234) [ 552.558370][T11807] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 552.558374][T11807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.558376][T11807] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 552.558379][T11807] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 552.558382][T11807] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 552.558387][T11807] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 552.558389][T11807] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 552.558392][T11807] put_chars (drivers/char/virtio_console.c:1176) [ 552.558393][T11807] ? __send_to_port (drivers/char/virtio_console.c:654) [ 552.558394][T11807] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 552.558397][T11807] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 552.558399][T11807] ? pointer (lib/vsprintf.c:2577) [ 552.558403][T11807] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 552.558408][T11807] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 552.558409][T11807] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 552.558411][T11807] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 552.558414][T11807] console_emit_next_record (kernel/printk/printk.c:3183) [ 552.558417][T11807] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 552.558419][T11807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.558420][T11807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.558421][T11807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.558422][T11807] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 552.558424][T11807] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 552.558426][T11807] console_flush_one_record (kernel/printk/printk.c:3268) [ 552.558428][T11807] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 552.558431][T11807] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 552.558433][T11807] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 552.558434][T11807] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 552.558436][T11807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.558437][T11807] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 552.558439][T11807] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 552.558440][T11807] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 552.558442][T11807] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 552.558444][T11807] ? vprintk_emit (kernel/printk/printk.c:2478) [ 552.558445][T11807] vprintk_emit (kernel/printk/printk.c:2479) [ 552.558447][T11807] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 552.558448][T11807] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 552.558451][T11807] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 552.558454][T11807] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 552.558456][T11807] _printk (kernel/printk/printk.c:2504) [ 552.558459][T11807] ? snapshot_read.cold (user.c:?) [ 552.558461][T11807] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 552.558463][T11807] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 552.558467][T11807] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 552.558469][T11807] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 552.558472][T11807] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 552.558474][T11807] ? netdev_notice (net/core/dev.c:13194) [ 552.558476][T11807] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 552.558478][T11807] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 552.558480][T11807] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 552.558482][T11807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.558483][T11807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.558484][T11807] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 552.558486][T11807] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 552.558487][T11807] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 552.558489][T11807] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 552.558490][T11807] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 552.558492][T11807] ? register_netdev (net/core/dev.c:11618) [ 552.558493][T11807] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 552.558495][T11807] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 552.558498][T11807] ? __kernel_text_address (kernel/extable.c:79) [ 552.558500][T11807] ? write_profile (profile.c:?) [ 552.558503][T11807] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 552.558506][T11807] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 552.558508][T11807] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 552.558510][T11807] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 552.558511][T11807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.558512][T11807] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 552.558515][T11807] ? kasan_save_stack (mm/kasan/common.c:58) [ 552.558517][T11807] ? kasan_save_stack (mm/kasan/common.c:57) [ 552.558518][T11807] ? kasan_save_track (mm/kasan/common.c:78) [ 552.558520][T11807] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 552.558521][T11807] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 552.558522][T11807] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 552.558523][T11807] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 552.558524][T11807] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 552.558527][T11807] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 552.558529][T11807] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 552.558530][T11807] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 552.558533][T11807] ? ____sys_sendmsg (net/socket.c:2713) [ 552.558534][T11807] ? ___sys_sendmsg (net/socket.c:2767) [ 552.558536][T11807] ? __sys_sendmsg (net/socket.c:2799) [ 552.558538][T11807] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 552.558540][T11807] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 552.558543][T11807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.558544][T11807] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 552.558546][T11807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.558547][T11807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.558548][T11807] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 552.558550][T11807] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 552.558552][T11807] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 552.558553][T11807] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 552.558555][T11807] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 552.558556][T11807] ? nla_get_range_signed (lib/nlattr.c:270) [ 552.558560][T11807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.558561][T11807] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 552.558564][T11807] rtnl_newlink (net/core/rtnetlink.c:4215) [ 552.558566][T11807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.558567][T11807] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 552.558569][T11807] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 552.558570][T11807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.558572][T11807] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 552.558574][T11807] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 552.558575][T11807] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 552.558577][T11807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.558578][T11807] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 552.558581][T11807] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 552.558584][T11807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.558585][T11807] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 552.558586][T11807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.558588][T11807] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 552.558589][T11807] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 552.558591][T11807] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 552.558592][T11807] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 552.558594][T11807] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 552.558596][T11807] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 552.558598][T11807] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 552.558599][T11807] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 552.558601][T11807] ? netlink_ack (./include/linux/skbuff.h:2718) [ 552.558602][T11807] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 552.558605][T11807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.558606][T11807] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 552.558608][T11807] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 552.558610][T11807] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 552.558612][T11807] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 552.558614][T11807] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 552.558616][T11807] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 552.558618][T11807] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 552.558620][T11807] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 552.558621][T11807] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 552.558625][T11807] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 552.558626][T11807] ____sys_sendmsg (net/socket.c:2713) [ 552.558628][T11807] ? copy_msghdr_from_user (net/socket.c:2650) [ 552.558630][T11807] ? sock_write_iter (net/socket.c:1269) [ 552.558631][T11807] ? move_addr_to_kernel (net/socket.c:258) [ 552.558633][T11807] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 552.558635][T11807] ___sys_sendmsg (net/socket.c:2767) [ 552.558637][T11807] ? copy_msghdr_from_user (net/socket.c:2619) [ 552.558642][T11807] __sys_sendmsg (net/socket.c:2799) [ 552.558644][T11807] ? __sys_sendmsg_sock (net/socket.c:2780) [ 552.558647][T11807] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 552.558648][T11807] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 552.558650][T11807] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 552.558652][T11807] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 552.558654][T11807] RIP: 0033:0x7f0447e4f54e [ 552.558656][T11807] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 552.558658][T11807] RSP: 002b:00007ffe76fb6850 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 552.558661][T11807] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0447e4f54e [ 552.558663][T11807] RDX: 0000000000000000 RSI: 00007ffe76fb6900 RDI: 0000000000000005 [ 552.558664][T11807] RBP: 00007ffe76fb6860 R08: 0000000000000000 R09: 0000000000000000 [ 552.558665][T11807] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919039 [ 552.558666][T11807] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe76fb6fc0 | [ 553.626769][T11865] softirqs last disabled at (0): 0x0 | [ 553.626771][T11865] Preemption disabled at: | [ 553.626772][T11865] vprintk_emit (kernel/printk/printk.c:2471) | [ 553.626782][T11865] Tainted: [W]=WARN [ 553.626783][T11865] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 553.626785][T11865] Call Trace: [ 553.626786][T11865] [ 553.626788][T11865] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 553.626793][T11865] ? vprintk_emit (kernel/printk/printk.c:2471) [ 553.626795][T11865] __might_resched.cold (kernel/sched/core.c:9234) [ 553.626799][T11865] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 553.626801][T11865] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 553.626804][T11865] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.626807][T11865] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 553.626810][T11865] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 553.626813][T11865] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 553.626818][T11865] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 553.626820][T11865] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 553.626822][T11865] put_chars (drivers/char/virtio_console.c:1176) [ 553.626824][T11865] ? __send_to_port (drivers/char/virtio_console.c:654) [ 553.626826][T11865] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 553.626828][T11865] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 553.626833][T11865] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 553.626835][T11865] ? vsnprintf (lib/vsprintf.c:2900) [ 553.626838][T11865] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 553.626840][T11865] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.626841][T11865] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.626843][T11865] console_emit_next_record (kernel/printk/printk.c:3183) [ 553.626846][T11865] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 553.626848][T11865] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.626849][T11865] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.626850][T11865] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.626851][T11865] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 553.626854][T11865] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 553.626856][T11865] console_flush_one_record (kernel/printk/printk.c:3268) [ 553.626858][T11865] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 553.626861][T11865] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 553.626863][T11865] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 553.626864][T11865] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 553.626866][T11865] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.626867][T11865] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 553.626869][T11865] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 553.626870][T11865] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 553.626872][T11865] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 553.626874][T11865] ? vprintk_emit (kernel/printk/printk.c:2478) [ 553.626875][T11865] vprintk_emit (kernel/printk/printk.c:2479) [ 553.626877][T11865] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 553.626878][T11865] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 553.626880][T11865] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 553.626883][T11865] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 553.626885][T11865] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.626886][T11865] _printk (kernel/printk/printk.c:2504) [ 553.626889][T11865] ? snapshot_read.cold (user.c:?) [ 553.626891][T11865] ? br_multicast_flood (??:?) [ 553.626895][T11865] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 553.626897][T11865] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 553.626899][T11865] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 553.626900][T11865] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 553.626904][T11865] br_init_port (net/bridge/br_stp_if.c:39) [ 553.626905][T11865] new_nbp (net/bridge/br_if.c:449) [ 553.626908][T11865] br_add_if (net/bridge/br_if.c:592) [ 553.626909][T11865] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 553.626917][T11865] do_set_master (net/core/rtnetlink.c:3071) [ 553.626920][T11865] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 553.626921][T11865] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 553.626923][T11865] ? __dev_get_by_name (net/core/dev.c:905) [ 553.626925][T11865] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 553.626928][T11865] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 553.626931][T11865] rtnl_newlink (net/core/rtnetlink.c:4215) [ 553.626933][T11865] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.626934][T11865] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 553.626935][T11865] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 553.626937][T11865] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.626938][T11865] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 553.626941][T11865] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 553.626943][T11865] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 553.626945][T11865] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.626946][T11865] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 553.626948][T11865] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.626949][T11865] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 553.626950][T11865] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 553.626952][T11865] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 553.626953][T11865] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 553.626957][T11865] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 553.626961][T11865] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 553.626964][T11865] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 553.626965][T11865] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 553.626967][T11865] ? netlink_ack (./include/linux/skbuff.h:2718) [ 553.626969][T11865] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 553.626971][T11865] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.626973][T11865] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 553.626975][T11865] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 553.626977][T11865] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 553.626979][T11865] ? next_uptodate_folio (mm/filemap.c:3747) [ 553.626982][T11865] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 553.626984][T11865] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 553.626986][T11865] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 553.626988][T11865] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 553.626991][T11865] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 553.626994][T11865] ____sys_sendmsg (net/socket.c:2713) [ 553.626996][T11865] ? copy_msghdr_from_user (net/socket.c:2650) [ 553.626998][T11865] ? sock_write_iter (net/socket.c:1269) [ 553.626999][T11865] ? move_addr_to_kernel (net/socket.c:258) [ 553.627001][T11865] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 553.627004][T11865] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 553.627006][T11865] ___sys_sendmsg (net/socket.c:2767) [ 553.627007][T11865] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 553.627009][T11865] ? copy_msghdr_from_user (net/socket.c:2619) [ 553.627011][T11865] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 553.627016][T11865] __sys_sendmsg (net/socket.c:2799) [ 553.627018][T11865] ? __sys_sendmsg_sock (net/socket.c:2780) [ 553.627020][T11865] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.627021][T11865] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 553.627023][T11865] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 553.627025][T11865] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 553.627027][T11865] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 553.627029][T11865] RIP: 0033:0x7fd6eedca54e [ 553.627032][T11865] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 553.627033][T11865] RSP: 002b:00007ffdc6869720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 553.627037][T11865] RAX: ffffffffffffffda RBX: 00007ffdc6869ee8 RCX: 00007fd6eedca54e [ 553.627038][T11865] RDX: 0000000000000000 RSI: 00007ffdc68697d0 RDI: 0000000000000005 [ 553.627039][T11865] RBP: 00007ffdc6869730 R08: 0000000000000000 R09: 0000000000000000 [ 553.627040][T11865] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91903a [ 553.627041][T11865] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc6869ea0 | [ 560.462691][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 560.462693][ T69] Preemption disabled at: | [ 560.462694][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 560.462705][ T69] Tainted: [W]=WARN [ 560.462706][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 560.462707][ T69] Workqueue: netns cleanup_net [ 560.462713][ T69] Call Trace: [ 560.462714][ T69] [ 560.462716][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 560.462722][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 560.462723][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 560.462727][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 560.462730][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 560.462733][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.462736][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 560.462739][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 560.462742][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 560.462747][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 560.462748][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 560.462751][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 560.462753][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 560.462755][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 560.462757][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 560.462762][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 560.462764][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 560.462766][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 560.462768][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.462769][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.462770][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 560.462773][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 560.462775][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.462776][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.462777][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.462778][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 560.462781][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 560.462783][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 560.462785][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 560.462788][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 560.462790][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 560.462791][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 560.462793][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.462794][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 560.462796][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 560.462797][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 560.462799][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 560.462801][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 560.462802][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 560.462804][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 560.462806][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 560.462807][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 560.462810][ T69] ? kthread (kernel/kthread.c:436) [ 560.462812][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 560.462815][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 560.462817][ T69] _printk (kernel/printk/printk.c:2504) [ 560.462820][ T69] ? snapshot_read.cold (user.c:?) [ 560.462822][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 560.462826][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 560.462828][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 560.462830][ T69] ? netdev_notice (net/core/dev.c:13194) [ 560.462832][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.462834][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 560.462835][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 560.462838][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 560.462840][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 560.462841][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 560.462844][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 560.462846][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 560.462850][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 560.462852][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 560.462855][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 560.462857][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 560.462859][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 560.462862][ T69] cleanup_net (net/core/net_namespace.c:706) [ 560.462864][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 560.462865][ T69] ? update_load_avg (kernel/sched/fair.c:5864) [ 560.462868][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 560.462870][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 560.462871][ T69] process_one_work (kernel/workqueue.c:3387) [ 560.462874][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 560.462877][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 560.462879][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 560.462882][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 560.462883][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 560.462885][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 560.462887][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 560.462889][ T69] kthread (kernel/kthread.c:436) [ 560.462891][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 560.462892][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 560.462894][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 560.462896][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 560.462898][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 560.462901][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 560.462903][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 561.688420][T12028] softirqs last disabled at (0): 0x0 | [ 561.688422][T12028] Preemption disabled at: | [ 561.688423][T12028] vprintk_emit (kernel/printk/printk.c:2471) | [ 561.688433][T12028] Tainted: [W]=WARN [ 561.688434][T12028] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 561.688436][T12028] Call Trace: [ 561.688437][T12028] [ 561.688439][T12028] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 561.688444][T12028] ? vprintk_emit (kernel/printk/printk.c:2471) [ 561.688446][T12028] __might_resched.cold (kernel/sched/core.c:9234) [ 561.688449][T12028] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 561.688451][T12028] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 561.688454][T12028] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.688457][T12028] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 561.688460][T12028] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 561.688463][T12028] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 561.688468][T12028] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 561.688469][T12028] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 561.688472][T12028] put_chars (drivers/char/virtio_console.c:1176) [ 561.688474][T12028] ? __send_to_port (drivers/char/virtio_console.c:654) [ 561.688475][T12028] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 561.688478][T12028] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 561.688483][T12028] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 561.688484][T12028] ? vsnprintf (lib/vsprintf.c:2900) [ 561.688488][T12028] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 561.688489][T12028] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.688491][T12028] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.688492][T12028] console_emit_next_record (kernel/printk/printk.c:3183) [ 561.688495][T12028] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 561.688497][T12028] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.688498][T12028] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.688499][T12028] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.688500][T12028] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 561.688503][T12028] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 561.688504][T12028] console_flush_one_record (kernel/printk/printk.c:3268) [ 561.688507][T12028] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 561.688510][T12028] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 561.688512][T12028] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 561.688513][T12028] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 561.688515][T12028] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.688516][T12028] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 561.688518][T12028] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 561.688519][T12028] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 561.688521][T12028] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 561.688523][T12028] ? vprintk_emit (kernel/printk/printk.c:2478) [ 561.688524][T12028] vprintk_emit (kernel/printk/printk.c:2479) [ 561.688526][T12028] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 561.688527][T12028] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 561.688529][T12028] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 561.688532][T12028] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 561.688533][T12028] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.688535][T12028] _printk (kernel/printk/printk.c:2504) [ 561.688538][T12028] ? snapshot_read.cold (user.c:?) [ 561.688540][T12028] ? br_multicast_flood (??:?) [ 561.688543][T12028] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 561.688547][T12028] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 561.688548][T12028] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 561.688550][T12028] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 561.688552][T12028] br_init_port (net/bridge/br_stp_if.c:39) [ 561.688554][T12028] new_nbp (net/bridge/br_if.c:449) [ 561.688556][T12028] br_add_if (net/bridge/br_if.c:592) [ 561.688558][T12028] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 561.688562][T12028] do_set_master (net/core/rtnetlink.c:3071) [ 561.688564][T12028] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 561.688566][T12028] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 561.688568][T12028] ? __dev_get_by_name (net/core/dev.c:905) [ 561.688569][T12028] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 561.688573][T12028] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 561.688575][T12028] rtnl_newlink (net/core/rtnetlink.c:4215) [ 561.688578][T12028] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.688579][T12028] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 561.688580][T12028] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 561.688582][T12028] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.688583][T12028] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 561.688586][T12028] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 561.688588][T12028] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 561.688590][T12028] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.688591][T12028] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 561.688593][T12028] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.688594][T12028] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 561.688595][T12028] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 561.688597][T12028] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 561.688599][T12028] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 561.688600][T12028] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 561.688604][T12028] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 561.688607][T12028] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 561.688608][T12028] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 561.688610][T12028] ? netlink_ack (./include/linux/skbuff.h:2718) [ 561.688612][T12028] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 561.688615][T12028] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.688616][T12028] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 561.688618][T12028] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 561.688620][T12028] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 561.688622][T12028] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 561.688625][T12028] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 561.688627][T12028] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 561.688630][T12028] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 561.688632][T12028] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 561.688633][T12028] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 561.688637][T12028] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 561.688640][T12028] ____sys_sendmsg (net/socket.c:2713) [ 561.688642][T12028] ? copy_msghdr_from_user (net/socket.c:2650) [ 561.688643][T12028] ? sock_write_iter (net/socket.c:1269) [ 561.688645][T12028] ? move_addr_to_kernel (net/socket.c:258) [ 561.688647][T12028] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 561.688650][T12028] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 561.688652][T12028] ___sys_sendmsg (net/socket.c:2767) [ 561.688653][T12028] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 561.688655][T12028] ? copy_msghdr_from_user (net/socket.c:2619) [ 561.688657][T12028] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 561.688661][T12028] __sys_sendmsg (net/socket.c:2799) [ 561.688663][T12028] ? __sys_sendmsg_sock (net/socket.c:2780) [ 561.688666][T12028] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.688667][T12028] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 561.688669][T12028] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 561.688671][T12028] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 561.688673][T12028] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 561.688675][T12028] RIP: 0033:0x7fd200abe54e [ 561.688677][T12028] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 561.688679][T12028] RSP: 002b:00007ffd6afb5050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 561.688682][T12028] RAX: ffffffffffffffda RBX: 00007ffd6afb5818 RCX: 00007fd200abe54e [ 561.688684][T12028] RDX: 0000000000000000 RSI: 00007ffd6afb5100 RDI: 0000000000000005 [ 561.688685][T12028] RBP: 00007ffd6afb5060 R08: 0000000000000000 R09: 0000000000000000 [ 561.688686][T12028] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919043 [ 561.688687][T12028] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6afb57d0 | [ 563.020027][T12097] softirqs last disabled at (0): 0x0 | [ 563.020029][T12097] Preemption disabled at: | [ 563.020030][T12097] vprintk_emit (kernel/printk/printk.c:2471) | [ 563.020040][T12097] Tainted: [W]=WARN [ 563.020041][T12097] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 563.020043][T12097] Call Trace: [ 563.020044][T12097] [ 563.020045][T12097] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 563.020051][T12097] ? vprintk_emit (kernel/printk/printk.c:2471) [ 563.020052][T12097] __might_resched.cold (kernel/sched/core.c:9234) [ 563.020056][T12097] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 563.020060][T12097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.020062][T12097] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 563.020065][T12097] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 563.020069][T12097] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 563.020074][T12097] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 563.020075][T12097] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 563.020078][T12097] put_chars (drivers/char/virtio_console.c:1176) [ 563.020080][T12097] ? __send_to_port (drivers/char/virtio_console.c:654) [ 563.020081][T12097] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 563.020083][T12097] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 563.020085][T12097] ? pointer (lib/vsprintf.c:2577) [ 563.020089][T12097] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 563.020093][T12097] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 563.020095][T12097] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 563.020097][T12097] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 563.020100][T12097] console_emit_next_record (kernel/printk/printk.c:3183) [ 563.020102][T12097] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 563.020104][T12097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.020105][T12097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.020106][T12097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.020107][T12097] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 563.020109][T12097] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 563.020111][T12097] console_flush_one_record (kernel/printk/printk.c:3268) [ 563.020114][T12097] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 563.020116][T12097] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 563.020118][T12097] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 563.020120][T12097] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 563.020122][T12097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.020123][T12097] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 563.020124][T12097] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 563.020126][T12097] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 563.020127][T12097] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 563.020130][T12097] ? vprintk_emit (kernel/printk/printk.c:2478) [ 563.020131][T12097] vprintk_emit (kernel/printk/printk.c:2479) [ 563.020133][T12097] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 563.020134][T12097] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 563.020137][T12097] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 563.020140][T12097] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 563.020142][T12097] _printk (kernel/printk/printk.c:2504) [ 563.020145][T12097] ? snapshot_read.cold (user.c:?) [ 563.020147][T12097] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 563.020149][T12097] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 563.020153][T12097] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 563.020154][T12097] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 563.020158][T12097] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 563.020160][T12097] ? netdev_notice (net/core/dev.c:13194) [ 563.020162][T12097] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 563.020164][T12097] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 563.020166][T12097] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 563.020168][T12097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.020169][T12097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.020170][T12097] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 563.020171][T12097] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 563.020173][T12097] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 563.020174][T12097] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 563.020176][T12097] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 563.020177][T12097] ? register_netdev (net/core/dev.c:11618) [ 563.020181][T12097] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 563.020183][T12097] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 563.020186][T12097] ? __kernel_text_address (kernel/extable.c:79) [ 563.020188][T12097] ? write_profile (profile.c:?) [ 563.020191][T12097] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 563.020195][T12097] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 563.020196][T12097] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 563.020198][T12097] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 563.020199][T12097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.020201][T12097] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 563.020204][T12097] ? kasan_save_stack (mm/kasan/common.c:58) [ 563.020206][T12097] ? kasan_save_stack (mm/kasan/common.c:57) [ 563.020207][T12097] ? kasan_save_track (mm/kasan/common.c:78) [ 563.020208][T12097] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 563.020209][T12097] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 563.020210][T12097] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 563.020211][T12097] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 563.020213][T12097] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 563.020216][T12097] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 563.020217][T12097] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 563.020219][T12097] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 563.020221][T12097] ? ____sys_sendmsg (net/socket.c:2713) [ 563.020223][T12097] ? ___sys_sendmsg (net/socket.c:2767) [ 563.020224][T12097] ? __sys_sendmsg (net/socket.c:2799) [ 563.020226][T12097] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 563.020228][T12097] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 563.020231][T12097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.020232][T12097] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 563.020234][T12097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.020235][T12097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.020236][T12097] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 563.020237][T12097] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 563.020239][T12097] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 563.020240][T12097] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 563.020242][T12097] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 563.020243][T12097] ? nla_get_range_signed (lib/nlattr.c:270) [ 563.020246][T12097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.020247][T12097] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 563.020249][T12097] rtnl_newlink (net/core/rtnetlink.c:4215) [ 563.020251][T12097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.020252][T12097] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 563.020254][T12097] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 563.020255][T12097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.020256][T12097] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 563.020259][T12097] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 563.020260][T12097] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 563.020262][T12097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.020263][T12097] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 563.020266][T12097] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 563.020269][T12097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.020270][T12097] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 563.020271][T12097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.020273][T12097] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 563.020274][T12097] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 563.020276][T12097] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 563.020277][T12097] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 563.020279][T12097] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 563.020281][T12097] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 563.020283][T12097] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 563.020284][T12097] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 563.020286][T12097] ? netlink_ack (./include/linux/skbuff.h:2718) [ 563.020288][T12097] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 563.020291][T12097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.020292][T12097] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 563.020294][T12097] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 563.020296][T12097] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 563.020298][T12097] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 563.020300][T12097] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 563.020302][T12097] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 563.020304][T12097] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 563.020305][T12097] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 563.020307][T12097] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 563.020310][T12097] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 563.020312][T12097] ____sys_sendmsg (net/socket.c:2713) [ 563.020313][T12097] ? copy_msghdr_from_user (net/socket.c:2650) [ 563.020315][T12097] ? sock_write_iter (net/socket.c:1269) [ 563.020316][T12097] ? move_addr_to_kernel (net/socket.c:258) [ 563.020318][T12097] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 563.020320][T12097] ___sys_sendmsg (net/socket.c:2767) [ 563.020322][T12097] ? copy_msghdr_from_user (net/socket.c:2619) [ 563.020327][T12097] __sys_sendmsg (net/socket.c:2799) [ 563.020329][T12097] ? __sys_sendmsg_sock (net/socket.c:2780) [ 563.020332][T12097] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 563.020333][T12097] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 563.020335][T12097] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 563.020337][T12097] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 563.020338][T12097] RIP: 0033:0x7f2d3f78454e [ 563.020340][T12097] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 563.020342][T12097] RSP: 002b:00007ffe57270060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 563.020346][T12097] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f2d3f78454e [ 563.020347][T12097] RDX: 0000000000000000 RSI: 00007ffe57270110 RDI: 0000000000000005 [ 563.020348][T12097] RBP: 00007ffe57270070 R08: 0000000000000000 R09: 0000000000000000 [ 563.020349][T12097] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919044 [ 563.020350][T12097] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe572707d0 | [ 564.094340][T12147] softirqs last disabled at (0): 0x0 | [ 564.094342][T12147] Preemption disabled at: | [ 564.094343][T12147] vprintk_emit (kernel/printk/printk.c:2471) | [ 564.094353][T12147] Tainted: [W]=WARN [ 564.094354][T12147] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 564.094356][T12147] Call Trace: [ 564.094357][T12147] [ 564.094359][T12147] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 564.094364][T12147] ? vprintk_emit (kernel/printk/printk.c:2471) [ 564.094366][T12147] __might_resched.cold (kernel/sched/core.c:9234) [ 564.094370][T12147] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 564.094372][T12147] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 564.094375][T12147] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.094378][T12147] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 564.094381][T12147] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 564.094384][T12147] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 564.094388][T12147] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 564.094390][T12147] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 564.094393][T12147] put_chars (drivers/char/virtio_console.c:1176) [ 564.094395][T12147] ? __send_to_port (drivers/char/virtio_console.c:654) [ 564.094397][T12147] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 564.094399][T12147] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 564.094404][T12147] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 564.094406][T12147] ? vsnprintf (lib/vsprintf.c:2900) [ 564.094409][T12147] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 564.094411][T12147] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.094412][T12147] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.094414][T12147] console_emit_next_record (kernel/printk/printk.c:3183) [ 564.094416][T12147] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 564.094418][T12147] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.094419][T12147] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.094420][T12147] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.094422][T12147] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 564.094424][T12147] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 564.094426][T12147] console_flush_one_record (kernel/printk/printk.c:3268) [ 564.094429][T12147] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 564.094431][T12147] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 564.094433][T12147] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 564.094435][T12147] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 564.094437][T12147] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.094438][T12147] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 564.094439][T12147] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 564.094441][T12147] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 564.094442][T12147] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 564.094445][T12147] ? vprintk_emit (kernel/printk/printk.c:2478) [ 564.094446][T12147] vprintk_emit (kernel/printk/printk.c:2479) [ 564.094448][T12147] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 564.094449][T12147] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 564.094451][T12147] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 564.094454][T12147] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 564.094456][T12147] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.094457][T12147] _printk (kernel/printk/printk.c:2504) [ 564.094460][T12147] ? snapshot_read.cold (user.c:?) [ 564.094462][T12147] ? br_multicast_flood (??:?) [ 564.094466][T12147] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 564.094468][T12147] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 564.094470][T12147] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 564.094472][T12147] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 564.094475][T12147] br_init_port (net/bridge/br_stp_if.c:39) [ 564.094476][T12147] new_nbp (net/bridge/br_if.c:449) [ 564.094479][T12147] br_add_if (net/bridge/br_if.c:592) [ 564.094481][T12147] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 564.094485][T12147] do_set_master (net/core/rtnetlink.c:3071) [ 564.094487][T12147] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 564.094489][T12147] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 564.094490][T12147] ? __dev_get_by_name (net/core/dev.c:905) [ 564.094492][T12147] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 564.094495][T12147] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 564.094498][T12147] rtnl_newlink (net/core/rtnetlink.c:4215) [ 564.094500][T12147] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.094501][T12147] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 564.094503][T12147] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 564.094504][T12147] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.094505][T12147] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 564.094508][T12147] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 564.094510][T12147] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 564.094512][T12147] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.094514][T12147] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 564.094515][T12147] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.094516][T12147] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 564.094518][T12147] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 564.094519][T12147] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 564.094521][T12147] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 564.094522][T12147] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 564.094526][T12147] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 564.094529][T12147] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 564.094531][T12147] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 564.094533][T12147] ? netlink_ack (./include/linux/skbuff.h:2718) [ 564.094534][T12147] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 564.094538][T12147] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.094539][T12147] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 564.094541][T12147] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 564.094543][T12147] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 564.094545][T12147] ? next_uptodate_folio (mm/filemap.c:3747) [ 564.094548][T12147] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 564.094550][T12147] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 564.094552][T12147] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 564.094554][T12147] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 564.094557][T12147] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 564.094560][T12147] ____sys_sendmsg (net/socket.c:2713) [ 564.094562][T12147] ? copy_msghdr_from_user (net/socket.c:2650) [ 564.094564][T12147] ? sock_write_iter (net/socket.c:1269) [ 564.094565][T12147] ? move_addr_to_kernel (net/socket.c:258) [ 564.094567][T12147] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 564.094570][T12147] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 564.094572][T12147] ___sys_sendmsg (net/socket.c:2767) [ 564.094573][T12147] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 564.094575][T12147] ? copy_msghdr_from_user (net/socket.c:2619) [ 564.094577][T12147] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 564.094581][T12147] __sys_sendmsg (net/socket.c:2799) [ 564.094584][T12147] ? __sys_sendmsg_sock (net/socket.c:2780) [ 564.094586][T12147] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.094588][T12147] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 564.094589][T12147] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 564.094592][T12147] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 564.094594][T12147] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 564.094596][T12147] RIP: 0033:0x7f845cc6254e [ 564.094598][T12147] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 564.094600][T12147] RSP: 002b:00007ffd2f3e75f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 564.094603][T12147] RAX: ffffffffffffffda RBX: 00007ffd2f3e7db8 RCX: 00007f845cc6254e [ 564.094605][T12147] RDX: 0000000000000000 RSI: 00007ffd2f3e76a0 RDI: 0000000000000005 [ 564.094606][T12147] RBP: 00007ffd2f3e7600 R08: 0000000000000000 R09: 0000000000000000 [ 564.094607][T12147] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919045 [ 564.094608][T12147] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2f3e7d70 | [ 570.137700][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 570.137702][ T69] Preemption disabled at: | [ 570.137703][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 570.137713][ T69] Tainted: [W]=WARN [ 570.137714][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 570.137716][ T69] Workqueue: netns cleanup_net [ 570.137722][ T69] Call Trace: [ 570.137723][ T69] [ 570.137725][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 570.137730][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 570.137732][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 570.137736][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 570.137738][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 570.137741][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.137744][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 570.137747][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 570.137750][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 570.137754][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 570.137756][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 570.137759][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 570.137760][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 570.137762][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 570.137764][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 570.137769][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 570.137771][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 570.137773][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 570.137775][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.137776][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.137778][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 570.137780][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 570.137782][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.137783][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.137785][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.137786][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 570.137788][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 570.137790][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 570.137792][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 570.137795][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 570.137797][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 570.137799][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 570.137801][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.137802][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 570.137803][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 570.137805][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 570.137806][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 570.137809][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 570.137810][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 570.137812][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 570.137813][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 570.137815][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 570.137817][ T69] ? kthread (kernel/kthread.c:436) [ 570.137820][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 570.137822][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 570.137825][ T69] _printk (kernel/printk/printk.c:2504) [ 570.137829][ T69] ? snapshot_read.cold (user.c:?) [ 570.137831][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 570.137834][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 570.137836][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 570.137839][ T69] ? netdev_notice (net/core/dev.c:13194) [ 570.137841][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.137842][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 570.137844][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 570.137847][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 570.137848][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 570.137849][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 570.137852][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 570.137855][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 570.137859][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 570.137861][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 570.137864][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 570.137866][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 570.137868][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 570.137871][ T69] cleanup_net (net/core/net_namespace.c:706) [ 570.137873][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 570.137875][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 570.137876][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 570.137878][ T69] process_one_work (kernel/workqueue.c:3387) [ 570.137881][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 570.137883][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 570.137886][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 570.137888][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 570.137890][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 570.137892][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 570.137894][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 570.137896][ T69] kthread (kernel/kthread.c:436) [ 570.137897][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 570.137899][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 570.137901][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 570.137903][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 570.137905][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 570.137908][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 570.137910][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 571.354401][T12281] softirqs last disabled at (0): 0x0 | [ 571.354403][T12281] Preemption disabled at: | [ 571.354404][T12281] vprintk_emit (kernel/printk/printk.c:2471) | [ 571.354414][T12281] Tainted: [W]=WARN [ 571.354415][T12281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 571.354417][T12281] Call Trace: [ 571.354418][T12281] [ 571.354420][T12281] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 571.354425][T12281] ? vprintk_emit (kernel/printk/printk.c:2471) [ 571.354427][T12281] __might_resched.cold (kernel/sched/core.c:9234) [ 571.354430][T12281] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 571.354432][T12281] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 571.354436][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.354439][T12281] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 571.354441][T12281] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 571.354445][T12281] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 571.354449][T12281] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 571.354451][T12281] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 571.354454][T12281] put_chars (drivers/char/virtio_console.c:1176) [ 571.354456][T12281] ? __send_to_port (drivers/char/virtio_console.c:654) [ 571.354457][T12281] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 571.354460][T12281] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 571.354464][T12281] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 571.354466][T12281] ? vsnprintf (lib/vsprintf.c:2900) [ 571.354469][T12281] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 571.354471][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.354472][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.354474][T12281] console_emit_next_record (kernel/printk/printk.c:3183) [ 571.354477][T12281] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 571.354479][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.354480][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.354481][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.354482][T12281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 571.354484][T12281] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 571.354486][T12281] console_flush_one_record (kernel/printk/printk.c:3268) [ 571.354489][T12281] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 571.354492][T12281] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 571.354493][T12281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 571.354495][T12281] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 571.354497][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.354498][T12281] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 571.354499][T12281] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 571.354501][T12281] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 571.354502][T12281] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 571.354504][T12281] ? vprintk_emit (kernel/printk/printk.c:2478) [ 571.354506][T12281] vprintk_emit (kernel/printk/printk.c:2479) [ 571.354508][T12281] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 571.354509][T12281] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 571.354510][T12281] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 571.354513][T12281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 571.354515][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.354516][T12281] _printk (kernel/printk/printk.c:2504) [ 571.354519][T12281] ? snapshot_read.cold (user.c:?) [ 571.354521][T12281] ? br_multicast_flood (??:?) [ 571.354525][T12281] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 571.354527][T12281] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 571.354529][T12281] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 571.354530][T12281] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 571.354533][T12281] br_init_port (net/bridge/br_stp_if.c:39) [ 571.354535][T12281] new_nbp (net/bridge/br_if.c:449) [ 571.354537][T12281] br_add_if (net/bridge/br_if.c:592) [ 571.354539][T12281] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 571.354543][T12281] do_set_master (net/core/rtnetlink.c:3071) [ 571.354545][T12281] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 571.354547][T12281] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 571.354548][T12281] ? __dev_get_by_name (net/core/dev.c:905) [ 571.354550][T12281] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 571.354554][T12281] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 571.354556][T12281] rtnl_newlink (net/core/rtnetlink.c:4215) [ 571.354558][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.354560][T12281] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 571.354561][T12281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 571.354562][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.354564][T12281] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 571.354566][T12281] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 571.354568][T12281] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 571.354571][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.354572][T12281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 571.354573][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.354575][T12281] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 571.354576][T12281] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 571.354578][T12281] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 571.354579][T12281] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 571.354581][T12281] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 571.354585][T12281] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 571.354588][T12281] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 571.354590][T12281] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 571.354591][T12281] ? netlink_ack (./include/linux/skbuff.h:2718) [ 571.354593][T12281] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 571.354596][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.354597][T12281] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 571.354599][T12281] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 571.354601][T12281] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 571.354603][T12281] ? next_uptodate_folio (mm/filemap.c:3747) [ 571.354606][T12281] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 571.354608][T12281] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 571.354610][T12281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 571.354611][T12281] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 571.354615][T12281] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 571.354618][T12281] ____sys_sendmsg (net/socket.c:2713) [ 571.354620][T12281] ? copy_msghdr_from_user (net/socket.c:2650) [ 571.354622][T12281] ? sock_write_iter (net/socket.c:1269) [ 571.354623][T12281] ? move_addr_to_kernel (net/socket.c:258) [ 571.354625][T12281] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 571.354627][T12281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 571.354629][T12281] ___sys_sendmsg (net/socket.c:2767) [ 571.354631][T12281] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 571.354633][T12281] ? copy_msghdr_from_user (net/socket.c:2619) [ 571.354635][T12281] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 571.354639][T12281] __sys_sendmsg (net/socket.c:2799) [ 571.354641][T12281] ? __sys_sendmsg_sock (net/socket.c:2780) [ 571.354644][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.354645][T12281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 571.354647][T12281] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 571.354649][T12281] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 571.354651][T12281] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 571.354653][T12281] RIP: 0033:0x7fc7030dd54e [ 571.354656][T12281] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 571.354657][T12281] RSP: 002b:00007ffff0abd110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 571.354661][T12281] RAX: ffffffffffffffda RBX: 00007ffff0abd8d8 RCX: 00007fc7030dd54e [ 571.354663][T12281] RDX: 0000000000000000 RSI: 00007ffff0abd1c0 RDI: 0000000000000005 [ 571.354664][T12281] RBP: 00007ffff0abd120 R08: 0000000000000000 R09: 0000000000000000 [ 571.354664][T12281] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91904c [ 571.354665][T12281] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff0abd890 | [ 572.714662][T12350] softirqs last disabled at (0): 0x0 | [ 572.714664][T12350] Preemption disabled at: | [ 572.714665][T12350] vprintk_emit (kernel/printk/printk.c:2471) | [ 572.714676][T12350] Tainted: [W]=WARN [ 572.714677][T12350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 572.714678][T12350] Call Trace: [ 572.714680][T12350] [ 572.714682][T12350] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 572.714687][T12350] ? vprintk_emit (kernel/printk/printk.c:2471) [ 572.714689][T12350] __might_resched.cold (kernel/sched/core.c:9234) [ 572.714693][T12350] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 572.714696][T12350] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.714699][T12350] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 572.714702][T12350] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 572.714705][T12350] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 572.714710][T12350] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 572.714712][T12350] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 572.714714][T12350] put_chars (drivers/char/virtio_console.c:1176) [ 572.714716][T12350] ? __send_to_port (drivers/char/virtio_console.c:654) [ 572.714717][T12350] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 572.714720][T12350] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 572.714722][T12350] ? pointer (lib/vsprintf.c:2577) [ 572.714726][T12350] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 572.714731][T12350] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 572.714732][T12350] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 572.714734][T12350] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 572.714737][T12350] console_emit_next_record (kernel/printk/printk.c:3183) [ 572.714740][T12350] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 572.714742][T12350] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.714743][T12350] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.714744][T12350] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.714745][T12350] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 572.714747][T12350] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 572.714749][T12350] console_flush_one_record (kernel/printk/printk.c:3268) [ 572.714751][T12350] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 572.714754][T12350] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 572.714756][T12350] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 572.714757][T12350] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 572.714759][T12350] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.714760][T12350] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 572.714762][T12350] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 572.714763][T12350] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 572.714765][T12350] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 572.714767][T12350] ? vprintk_emit (kernel/printk/printk.c:2478) [ 572.714768][T12350] vprintk_emit (kernel/printk/printk.c:2479) [ 572.714770][T12350] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 572.714771][T12350] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 572.714774][T12350] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 572.714777][T12350] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 572.714779][T12350] _printk (kernel/printk/printk.c:2504) [ 572.714782][T12350] ? snapshot_read.cold (user.c:?) [ 572.714784][T12350] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 572.714787][T12350] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 572.714790][T12350] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 572.714792][T12350] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 572.714795][T12350] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 572.714798][T12350] ? netdev_notice (net/core/dev.c:13194) [ 572.714800][T12350] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 572.714802][T12350] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 572.714804][T12350] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 572.714806][T12350] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.714807][T12350] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.714808][T12350] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 572.714809][T12350] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 572.714811][T12350] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 572.714812][T12350] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 572.714814][T12350] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 572.714816][T12350] ? register_netdev (net/core/dev.c:11618) [ 572.714817][T12350] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 572.714819][T12350] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 572.714821][T12350] ? __kernel_text_address (kernel/extable.c:79) [ 572.714824][T12350] ? write_profile (profile.c:?) [ 572.714827][T12350] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 572.714831][T12350] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 572.714833][T12350] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 572.714834][T12350] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 572.714836][T12350] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.714837][T12350] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 572.714840][T12350] ? kasan_save_stack (mm/kasan/common.c:58) [ 572.714842][T12350] ? kasan_save_stack (mm/kasan/common.c:57) [ 572.714843][T12350] ? kasan_save_track (mm/kasan/common.c:78) [ 572.714844][T12350] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 572.714845][T12350] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 572.714846][T12350] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 572.714847][T12350] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 572.714849][T12350] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 572.714851][T12350] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 572.714853][T12350] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 572.714855][T12350] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 572.714857][T12350] ? ____sys_sendmsg (net/socket.c:2713) [ 572.714858][T12350] ? ___sys_sendmsg (net/socket.c:2767) [ 572.714860][T12350] ? __sys_sendmsg (net/socket.c:2799) [ 572.714862][T12350] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 572.714864][T12350] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 572.714867][T12350] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.714868][T12350] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 572.714869][T12350] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.714870][T12350] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.714871][T12350] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 572.714873][T12350] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 572.714874][T12350] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 572.714876][T12350] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 572.714877][T12350] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 572.714878][T12350] ? nla_get_range_signed (lib/nlattr.c:270) [ 572.714882][T12350] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.714883][T12350] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 572.714885][T12350] rtnl_newlink (net/core/rtnetlink.c:4215) [ 572.714887][T12350] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.714888][T12350] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 572.714890][T12350] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 572.714891][T12350] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.714893][T12350] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 572.714895][T12350] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 572.714897][T12350] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 572.714898][T12350] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.714899][T12350] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 572.714903][T12350] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 572.714905][T12350] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.714907][T12350] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 572.714908][T12350] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.714909][T12350] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 572.714911][T12350] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 572.714912][T12350] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 572.714914][T12350] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 572.714915][T12350] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 572.714918][T12350] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 572.714919][T12350] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 572.714921][T12350] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 572.714922][T12350] ? netlink_ack (./include/linux/skbuff.h:2718) [ 572.714924][T12350] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 572.714927][T12350] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.714928][T12350] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 572.714930][T12350] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 572.714932][T12350] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 572.714934][T12350] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 572.714936][T12350] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 572.714938][T12350] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 572.714940][T12350] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 572.714942][T12350] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 572.714943][T12350] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 572.714946][T12350] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 572.714948][T12350] ____sys_sendmsg (net/socket.c:2713) [ 572.714950][T12350] ? copy_msghdr_from_user (net/socket.c:2650) [ 572.714952][T12350] ? sock_write_iter (net/socket.c:1269) [ 572.714953][T12350] ? move_addr_to_kernel (net/socket.c:258) [ 572.714955][T12350] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 572.714957][T12350] ___sys_sendmsg (net/socket.c:2767) [ 572.714959][T12350] ? copy_msghdr_from_user (net/socket.c:2619) [ 572.714964][T12350] __sys_sendmsg (net/socket.c:2799) [ 572.714966][T12350] ? __sys_sendmsg_sock (net/socket.c:2780) [ 572.714969][T12350] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 572.714970][T12350] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 572.714972][T12350] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 572.714974][T12350] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 572.714975][T12350] RIP: 0033:0x7fd2ced6d54e [ 572.714977][T12350] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 572.714979][T12350] RSP: 002b:00007ffc24f86290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 572.714983][T12350] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd2ced6d54e [ 572.714988][T12350] RDX: 0000000000000000 RSI: 00007ffc24f86340 RDI: 0000000000000005 [ 572.714989][T12350] RBP: 00007ffc24f862a0 R08: 0000000000000000 R09: 0000000000000000 [ 572.714990][T12350] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91904e [ 572.714991][T12350] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc24f86a00 | [ 573.799697][T12400] softirqs last disabled at (0): 0x0 | [ 573.799699][T12400] Preemption disabled at: | [ 573.799700][T12400] vprintk_emit (kernel/printk/printk.c:2471) | [ 573.799710][T12400] Tainted: [W]=WARN [ 573.799711][T12400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 573.799713][T12400] Call Trace: [ 573.799714][T12400] [ 573.799716][T12400] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 573.799722][T12400] ? vprintk_emit (kernel/printk/printk.c:2471) [ 573.799723][T12400] __might_resched.cold (kernel/sched/core.c:9234) [ 573.799727][T12400] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 573.799729][T12400] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 573.799733][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.799735][T12400] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 573.799738][T12400] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 573.799741][T12400] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 573.799746][T12400] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 573.799748][T12400] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 573.799751][T12400] put_chars (drivers/char/virtio_console.c:1176) [ 573.799752][T12400] ? __send_to_port (drivers/char/virtio_console.c:654) [ 573.799754][T12400] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 573.799757][T12400] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 573.799761][T12400] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 573.799763][T12400] ? vsnprintf (lib/vsprintf.c:2900) [ 573.799766][T12400] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 573.799768][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.799769][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.799771][T12400] console_emit_next_record (kernel/printk/printk.c:3183) [ 573.799774][T12400] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 573.799776][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.799777][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.799778][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.799779][T12400] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.799781][T12400] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 573.799783][T12400] console_flush_one_record (kernel/printk/printk.c:3268) [ 573.799786][T12400] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 573.799789][T12400] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 573.799790][T12400] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.799792][T12400] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 573.799794][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.799795][T12400] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 573.799797][T12400] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 573.799798][T12400] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 573.799800][T12400] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 573.799801][T12400] ? vprintk_emit (kernel/printk/printk.c:2478) [ 573.799803][T12400] vprintk_emit (kernel/printk/printk.c:2479) [ 573.799805][T12400] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 573.799806][T12400] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 573.799807][T12400] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 573.799810][T12400] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.799812][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.799813][T12400] _printk (kernel/printk/printk.c:2504) [ 573.799816][T12400] ? snapshot_read.cold (user.c:?) [ 573.799818][T12400] ? br_multicast_flood (??:?) [ 573.799822][T12400] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 573.799825][T12400] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 573.799826][T12400] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 573.799828][T12400] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 573.799831][T12400] br_init_port (net/bridge/br_stp_if.c:39) [ 573.799833][T12400] new_nbp (net/bridge/br_if.c:449) [ 573.799835][T12400] br_add_if (net/bridge/br_if.c:592) [ 573.799837][T12400] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 573.799841][T12400] do_set_master (net/core/rtnetlink.c:3071) [ 573.799843][T12400] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 573.799845][T12400] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 573.799846][T12400] ? __dev_get_by_name (net/core/dev.c:905) [ 573.799848][T12400] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 573.799851][T12400] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 573.799854][T12400] rtnl_newlink (net/core/rtnetlink.c:4215) [ 573.799856][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.799857][T12400] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 573.799858][T12400] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.799860][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.799861][T12400] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 573.799864][T12400] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 573.799866][T12400] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 573.799868][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.799869][T12400] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.799871][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.799872][T12400] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 573.799873][T12400] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 573.799875][T12400] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 573.799876][T12400] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 573.799878][T12400] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 573.799882][T12400] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 573.799885][T12400] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 573.799886][T12400] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 573.799888][T12400] ? netlink_ack (./include/linux/skbuff.h:2718) [ 573.799890][T12400] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 573.799893][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.799894][T12400] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 573.799896][T12400] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 573.799898][T12400] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 573.799900][T12400] ? next_uptodate_folio (mm/filemap.c:3747) [ 573.799903][T12400] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 573.799905][T12400] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 573.799907][T12400] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.799909][T12400] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 573.799912][T12400] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 573.799915][T12400] ____sys_sendmsg (net/socket.c:2713) [ 573.799917][T12400] ? copy_msghdr_from_user (net/socket.c:2650) [ 573.799918][T12400] ? sock_write_iter (net/socket.c:1269) [ 573.799920][T12400] ? move_addr_to_kernel (net/socket.c:258) [ 573.799922][T12400] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 573.799925][T12400] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.799927][T12400] ___sys_sendmsg (net/socket.c:2767) [ 573.799928][T12400] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 573.799930][T12400] ? copy_msghdr_from_user (net/socket.c:2619) [ 573.799932][T12400] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 573.799937][T12400] __sys_sendmsg (net/socket.c:2799) [ 573.799939][T12400] ? __sys_sendmsg_sock (net/socket.c:2780) [ 573.799942][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.799943][T12400] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.799944][T12400] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 573.799947][T12400] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 573.799949][T12400] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 573.799951][T12400] RIP: 0033:0x7fc1bf39a54e [ 573.799953][T12400] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 573.799954][T12400] RSP: 002b:00007ffd1e0324d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 573.799958][T12400] RAX: ffffffffffffffda RBX: 00007ffd1e032c98 RCX: 00007fc1bf39a54e [ 573.799959][T12400] RDX: 0000000000000000 RSI: 00007ffd1e032580 RDI: 0000000000000005 [ 573.799960][T12400] RBP: 00007ffd1e0324e0 R08: 0000000000000000 R09: 0000000000000000 [ 573.799961][T12400] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91904f [ 573.799962][T12400] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1e032c50 | [ 579.816106][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 579.816109][ T69] Preemption disabled at: | [ 579.816109][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 579.816119][ T69] Tainted: [W]=WARN [ 579.816120][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 579.816122][ T69] Workqueue: netns cleanup_net [ 579.816128][ T69] Call Trace: [ 579.816130][ T69] [ 579.816131][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 579.816136][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 579.816138][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 579.816142][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 579.816144][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 579.816148][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.816150][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 579.816153][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 579.816156][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 579.816161][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 579.816162][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 579.816165][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 579.816167][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 579.816169][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 579.816171][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 579.816176][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 579.816181][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 579.816184][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 579.816185][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.816187][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.816188][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 579.816191][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 579.816193][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.816194][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.816196][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.816197][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 579.816199][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 579.816201][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 579.816204][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 579.816207][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 579.816209][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 579.816211][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 579.816212][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.816213][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 579.816215][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 579.816217][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 579.816218][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 579.816220][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 579.816222][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 579.816223][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 579.816225][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 579.816226][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 579.816229][ T69] ? kthread (kernel/kthread.c:436) [ 579.816231][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 579.816234][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 579.816237][ T69] _printk (kernel/printk/printk.c:2504) [ 579.816240][ T69] ? snapshot_read.cold (user.c:?) [ 579.816243][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 579.816246][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 579.816248][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 579.816251][ T69] ? netdev_notice (net/core/dev.c:13194) [ 579.816253][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.816254][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 579.816256][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 579.816259][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 579.816261][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 579.816262][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 579.816264][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 579.816267][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 579.816271][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 579.816273][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 579.816276][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 579.816278][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 579.816280][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 579.816283][ T69] cleanup_net (net/core/net_namespace.c:706) [ 579.816285][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 579.816287][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 579.816288][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 579.816290][ T69] process_one_work (kernel/workqueue.c:3387) [ 579.816293][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 579.816296][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 579.816298][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 579.816301][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 579.816303][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 579.816304][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 579.816306][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 579.816308][ T69] kthread (kernel/kthread.c:436) [ 579.816310][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 579.816311][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 579.816313][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 579.816315][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 579.816317][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 579.816320][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 579.816322][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 581.042738][T12535] softirqs last disabled at (0): 0x0 | [ 581.042740][T12535] Preemption disabled at: | [ 581.042740][T12535] vprintk_emit (kernel/printk/printk.c:2471) | [ 581.042750][T12535] Tainted: [W]=WARN [ 581.042751][T12535] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 581.042753][T12535] Call Trace: [ 581.042754][T12535] [ 581.042756][T12535] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 581.042761][T12535] ? vprintk_emit (kernel/printk/printk.c:2471) [ 581.042763][T12535] __might_resched.cold (kernel/sched/core.c:9234) [ 581.042766][T12535] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 581.042769][T12535] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 581.042772][T12535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042775][T12535] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 581.042778][T12535] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 581.042781][T12535] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 581.042786][T12535] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 581.042788][T12535] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 581.042791][T12535] put_chars (drivers/char/virtio_console.c:1176) [ 581.042792][T12535] ? __send_to_port (drivers/char/virtio_console.c:654) [ 581.042794][T12535] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 581.042797][T12535] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 581.042802][T12535] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 581.042804][T12535] ? vsnprintf (lib/vsprintf.c:2900) [ 581.042807][T12535] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 581.042809][T12535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042810][T12535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042811][T12535] console_emit_next_record (kernel/printk/printk.c:3183) [ 581.042814][T12535] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 581.042816][T12535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042817][T12535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042818][T12535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042819][T12535] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 581.042822][T12535] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 581.042824][T12535] console_flush_one_record (kernel/printk/printk.c:3268) [ 581.042826][T12535] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 581.042829][T12535] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 581.042830][T12535] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 581.042832][T12535] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 581.042834][T12535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042835][T12535] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 581.042836][T12535] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 581.042838][T12535] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 581.042839][T12535] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 581.042841][T12535] ? vprintk_emit (kernel/printk/printk.c:2478) [ 581.042843][T12535] vprintk_emit (kernel/printk/printk.c:2479) [ 581.042845][T12535] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 581.042846][T12535] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 581.042848][T12535] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 581.042850][T12535] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 581.042852][T12535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042853][T12535] _printk (kernel/printk/printk.c:2504) [ 581.042856][T12535] ? snapshot_read.cold (user.c:?) [ 581.042858][T12535] ? br_multicast_flood (??:?) [ 581.042862][T12535] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 581.042865][T12535] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 581.042866][T12535] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 581.042868][T12535] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 581.042870][T12535] br_init_port (net/bridge/br_stp_if.c:39) [ 581.042872][T12535] new_nbp (net/bridge/br_if.c:449) [ 581.042874][T12535] br_add_if (net/bridge/br_if.c:592) [ 581.042876][T12535] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 581.042880][T12535] do_set_master (net/core/rtnetlink.c:3071) [ 581.042882][T12535] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 581.042884][T12535] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 581.042885][T12535] ? __dev_get_by_name (net/core/dev.c:905) [ 581.042887][T12535] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 581.042891][T12535] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 581.042893][T12535] rtnl_newlink (net/core/rtnetlink.c:4215) [ 581.042895][T12535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042896][T12535] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 581.042898][T12535] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 581.042899][T12535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042901][T12535] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 581.042903][T12535] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 581.042905][T12535] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 581.042907][T12535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042908][T12535] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 581.042910][T12535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042911][T12535] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 581.042913][T12535] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 581.042915][T12535] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 581.042916][T12535] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 581.042917][T12535] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 581.042921][T12535] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 581.042924][T12535] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 581.042925][T12535] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 581.042927][T12535] ? netlink_ack (./include/linux/skbuff.h:2718) [ 581.042929][T12535] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 581.042932][T12535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042933][T12535] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 581.042935][T12535] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 581.042937][T12535] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 581.042939][T12535] ? next_uptodate_folio (mm/filemap.c:3747) [ 581.042943][T12535] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 581.042945][T12535] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 581.042947][T12535] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 581.042948][T12535] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 581.042952][T12535] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 581.042955][T12535] ____sys_sendmsg (net/socket.c:2713) [ 581.042957][T12535] ? copy_msghdr_from_user (net/socket.c:2650) [ 581.042958][T12535] ? sock_write_iter (net/socket.c:1269) [ 581.042960][T12535] ? move_addr_to_kernel (net/socket.c:258) [ 581.042962][T12535] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 581.042964][T12535] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 581.042966][T12535] ___sys_sendmsg (net/socket.c:2767) [ 581.042968][T12535] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 581.042970][T12535] ? copy_msghdr_from_user (net/socket.c:2619) [ 581.042972][T12535] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 581.042976][T12535] __sys_sendmsg (net/socket.c:2799) [ 581.042978][T12535] ? __sys_sendmsg_sock (net/socket.c:2780) [ 581.042981][T12535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042982][T12535] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.042984][T12535] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 581.042986][T12535] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 581.042988][T12535] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 581.042990][T12535] RIP: 0033:0x7f403043a54e [ 581.042992][T12535] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 581.042994][T12535] RSP: 002b:00007fff0ce0cf40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 581.042998][T12535] RAX: ffffffffffffffda RBX: 00007fff0ce0d708 RCX: 00007f403043a54e [ 581.042999][T12535] RDX: 0000000000000000 RSI: 00007fff0ce0cff0 RDI: 0000000000000005 [ 581.043000][T12535] RBP: 00007fff0ce0cf50 R08: 0000000000000000 R09: 0000000000000000 [ 581.043001][T12535] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919056 [ 581.043002][T12535] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0ce0d6c0 | [ 582.376592][T12604] softirqs last disabled at (0): 0x0 | [ 582.376594][T12604] Preemption disabled at: | [ 582.376595][T12604] vprintk_emit (kernel/printk/printk.c:2471) | [ 582.376606][T12604] Tainted: [W]=WARN [ 582.376607][T12604] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 582.376609][T12604] Call Trace: [ 582.376610][T12604] [ 582.376612][T12604] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 582.376618][T12604] ? vprintk_emit (kernel/printk/printk.c:2471) [ 582.376620][T12604] __might_resched.cold (kernel/sched/core.c:9234) [ 582.376624][T12604] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 582.376628][T12604] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.376631][T12604] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 582.376634][T12604] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 582.376637][T12604] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 582.376643][T12604] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 582.376645][T12604] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 582.376648][T12604] put_chars (drivers/char/virtio_console.c:1176) [ 582.376650][T12604] ? __send_to_port (drivers/char/virtio_console.c:654) [ 582.376651][T12604] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 582.376654][T12604] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 582.376656][T12604] ? pointer (lib/vsprintf.c:2577) [ 582.376660][T12604] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 582.376665][T12604] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 582.376667][T12604] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 582.376669][T12604] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 582.376672][T12604] console_emit_next_record (kernel/printk/printk.c:3183) [ 582.376675][T12604] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 582.376677][T12604] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.376679][T12604] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.376680][T12604] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.376681][T12604] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 582.376683][T12604] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 582.376686][T12604] console_flush_one_record (kernel/printk/printk.c:3268) [ 582.376688][T12604] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 582.376691][T12604] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 582.376694][T12604] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 582.376695][T12604] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 582.376697][T12604] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.376698][T12604] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 582.376700][T12604] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 582.376702][T12604] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 582.376704][T12604] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 582.376706][T12604] ? vprintk_emit (kernel/printk/printk.c:2478) [ 582.376708][T12604] vprintk_emit (kernel/printk/printk.c:2479) [ 582.376710][T12604] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 582.376711][T12604] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 582.376714][T12604] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 582.376717][T12604] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 582.376720][T12604] _printk (kernel/printk/printk.c:2504) [ 582.376723][T12604] ? snapshot_read.cold (user.c:?) [ 582.376725][T12604] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 582.376728][T12604] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 582.376731][T12604] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 582.376733][T12604] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 582.376737][T12604] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 582.376739][T12604] ? netdev_notice (net/core/dev.c:13194) [ 582.376741][T12604] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 582.376743][T12604] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 582.376746][T12604] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 582.376748][T12604] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.376749][T12604] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.376750][T12604] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 582.376752][T12604] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 582.376753][T12604] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 582.376755][T12604] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 582.376756][T12604] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 582.376758][T12604] ? register_netdev (net/core/dev.c:11618) [ 582.376760][T12604] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 582.376762][T12604] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 582.376765][T12604] ? __kernel_text_address (kernel/extable.c:79) [ 582.376767][T12604] ? write_profile (profile.c:?) [ 582.376770][T12604] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 582.376774][T12604] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 582.376776][T12604] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 582.376778][T12604] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 582.376780][T12604] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.376781][T12604] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 582.376784][T12604] ? kasan_save_stack (mm/kasan/common.c:58) [ 582.376786][T12604] ? kasan_save_stack (mm/kasan/common.c:57) [ 582.376787][T12604] ? kasan_save_track (mm/kasan/common.c:78) [ 582.376789][T12604] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 582.376790][T12604] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 582.376791][T12604] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 582.376792][T12604] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 582.376794][T12604] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 582.376797][T12604] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 582.376799][T12604] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 582.376800][T12604] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 582.376803][T12604] ? ____sys_sendmsg (net/socket.c:2713) [ 582.376804][T12604] ? ___sys_sendmsg (net/socket.c:2767) [ 582.376806][T12604] ? __sys_sendmsg (net/socket.c:2799) [ 582.376808][T12604] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 582.376810][T12604] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 582.376813][T12604] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.376814][T12604] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 582.376815][T12604] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.376816][T12604] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.376818][T12604] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 582.376819][T12604] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 582.376821][T12604] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 582.376822][T12604] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 582.376824][T12604] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 582.376825][T12604] ? nla_get_range_signed (lib/nlattr.c:270) [ 582.376828][T12604] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.376829][T12604] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 582.376832][T12604] rtnl_newlink (net/core/rtnetlink.c:4215) [ 582.376834][T12604] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.376835][T12604] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 582.376836][T12604] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 582.376838][T12604] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.376839][T12604] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 582.376842][T12604] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 582.376843][T12604] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 582.376845][T12604] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.376846][T12604] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 582.376849][T12604] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 582.376851][T12604] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.376853][T12604] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 582.376854][T12604] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.376855][T12604] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 582.376857][T12604] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 582.376859][T12604] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 582.376860][T12604] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 582.376862][T12604] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 582.376864][T12604] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 582.376866][T12604] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 582.376867][T12604] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 582.376869][T12604] ? netlink_ack (./include/linux/skbuff.h:2718) [ 582.376871][T12604] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 582.376874][T12604] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.376875][T12604] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 582.376877][T12604] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 582.376879][T12604] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 582.376881][T12604] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 582.376883][T12604] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 582.376885][T12604] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 582.376887][T12604] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 582.376889][T12604] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 582.376890][T12604] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 582.376894][T12604] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 582.376895][T12604] ____sys_sendmsg (net/socket.c:2713) [ 582.376897][T12604] ? copy_msghdr_from_user (net/socket.c:2650) [ 582.376899][T12604] ? sock_write_iter (net/socket.c:1269) [ 582.376900][T12604] ? move_addr_to_kernel (net/socket.c:258) [ 582.376902][T12604] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 582.376905][T12604] ___sys_sendmsg (net/socket.c:2767) [ 582.376907][T12604] ? copy_msghdr_from_user (net/socket.c:2619) [ 582.376912][T12604] __sys_sendmsg (net/socket.c:2799) [ 582.376914][T12604] ? __sys_sendmsg_sock (net/socket.c:2780) [ 582.376917][T12604] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 582.376918][T12604] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 582.376920][T12604] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 582.376922][T12604] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 582.376923][T12604] RIP: 0033:0x7efcfd50b54e [ 582.376925][T12604] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 582.376927][T12604] RSP: 002b:00007ffc5bba8570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 582.376931][T12604] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007efcfd50b54e [ 582.376933][T12604] RDX: 0000000000000000 RSI: 00007ffc5bba8620 RDI: 0000000000000005 [ 582.376934][T12604] RBP: 00007ffc5bba8580 R08: 0000000000000000 R09: 0000000000000000 [ 582.376935][T12604] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919057 [ 582.376936][T12604] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5bba8ce0 | [ 583.461149][T12654] softirqs last disabled at (0): 0x0 | [ 583.461151][T12654] Preemption disabled at: | [ 583.461152][T12654] vprintk_emit (kernel/printk/printk.c:2471) | [ 583.461162][T12654] Tainted: [W]=WARN [ 583.461163][T12654] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 583.461165][T12654] Call Trace: [ 583.461166][T12654] [ 583.461168][T12654] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 583.461173][T12654] ? vprintk_emit (kernel/printk/printk.c:2471) [ 583.461175][T12654] __might_resched.cold (kernel/sched/core.c:9234) [ 583.461181][T12654] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 583.461183][T12654] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 583.461187][T12654] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.461189][T12654] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 583.461192][T12654] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 583.461195][T12654] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 583.461200][T12654] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 583.461202][T12654] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 583.461205][T12654] put_chars (drivers/char/virtio_console.c:1176) [ 583.461207][T12654] ? __send_to_port (drivers/char/virtio_console.c:654) [ 583.461209][T12654] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 583.461211][T12654] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 583.461217][T12654] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 583.461218][T12654] ? vsnprintf (lib/vsprintf.c:2900) [ 583.461222][T12654] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 583.461223][T12654] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.461224][T12654] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.461226][T12654] console_emit_next_record (kernel/printk/printk.c:3183) [ 583.461229][T12654] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 583.461231][T12654] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.461232][T12654] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.461233][T12654] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.461234][T12654] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 583.461237][T12654] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 583.461239][T12654] console_flush_one_record (kernel/printk/printk.c:3268) [ 583.461241][T12654] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 583.461244][T12654] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 583.461246][T12654] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 583.461248][T12654] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 583.461249][T12654] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.461250][T12654] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 583.461252][T12654] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 583.461254][T12654] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 583.461255][T12654] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 583.461257][T12654] ? vprintk_emit (kernel/printk/printk.c:2478) [ 583.461259][T12654] vprintk_emit (kernel/printk/printk.c:2479) [ 583.461260][T12654] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 583.461262][T12654] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 583.461263][T12654] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 583.461266][T12654] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 583.461268][T12654] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.461269][T12654] _printk (kernel/printk/printk.c:2504) [ 583.461273][T12654] ? snapshot_read.cold (user.c:?) [ 583.461275][T12654] ? br_multicast_flood (??:?) [ 583.461278][T12654] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 583.461282][T12654] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 583.461283][T12654] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 583.461285][T12654] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 583.461287][T12654] br_init_port (net/bridge/br_stp_if.c:39) [ 583.461289][T12654] new_nbp (net/bridge/br_if.c:449) [ 583.461291][T12654] br_add_if (net/bridge/br_if.c:592) [ 583.461293][T12654] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 583.461298][T12654] do_set_master (net/core/rtnetlink.c:3071) [ 583.461300][T12654] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 583.461302][T12654] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 583.461303][T12654] ? __dev_get_by_name (net/core/dev.c:905) [ 583.461305][T12654] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 583.461308][T12654] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 583.461311][T12654] rtnl_newlink (net/core/rtnetlink.c:4215) [ 583.461313][T12654] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.461314][T12654] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 583.461315][T12654] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 583.461317][T12654] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.461318][T12654] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 583.461321][T12654] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 583.461323][T12654] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 583.461325][T12654] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.461327][T12654] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 583.461328][T12654] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.461329][T12654] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 583.461331][T12654] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 583.461332][T12654] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 583.461334][T12654] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 583.461335][T12654] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 583.461339][T12654] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 583.461342][T12654] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 583.461344][T12654] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 583.461345][T12654] ? netlink_ack (./include/linux/skbuff.h:2718) [ 583.461347][T12654] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 583.461350][T12654] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.461351][T12654] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 583.461353][T12654] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 583.461355][T12654] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 583.461357][T12654] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 583.461360][T12654] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 583.461363][T12654] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 583.461365][T12654] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 583.461368][T12654] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 583.461369][T12654] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 583.461372][T12654] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 583.461375][T12654] ____sys_sendmsg (net/socket.c:2713) [ 583.461377][T12654] ? copy_msghdr_from_user (net/socket.c:2650) [ 583.461379][T12654] ? sock_write_iter (net/socket.c:1269) [ 583.461381][T12654] ? move_addr_to_kernel (net/socket.c:258) [ 583.461383][T12654] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 583.461386][T12654] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 583.461388][T12654] ___sys_sendmsg (net/socket.c:2767) [ 583.461389][T12654] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 583.461391][T12654] ? copy_msghdr_from_user (net/socket.c:2619) [ 583.461393][T12654] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 583.461397][T12654] __sys_sendmsg (net/socket.c:2799) [ 583.461400][T12654] ? __sys_sendmsg_sock (net/socket.c:2780) [ 583.461402][T12654] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.461403][T12654] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 583.461405][T12654] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 583.461407][T12654] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 583.461409][T12654] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 583.461411][T12654] RIP: 0033:0x7f2679a2754e [ 583.461413][T12654] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 583.461415][T12654] RSP: 002b:00007fff69b8cc50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 583.461419][T12654] RAX: ffffffffffffffda RBX: 00007fff69b8d418 RCX: 00007f2679a2754e [ 583.461421][T12654] RDX: 0000000000000000 RSI: 00007fff69b8cd00 RDI: 0000000000000005 [ 583.461421][T12654] RBP: 00007fff69b8cc60 R08: 0000000000000000 R09: 0000000000000000 [ 583.461422][T12654] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919058 [ 583.461423][T12654] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff69b8d3d0 | [ 589.469867][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 589.469869][ T69] Preemption disabled at: | [ 589.469870][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 589.469880][ T69] Tainted: [W]=WARN [ 589.469881][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 589.469883][ T69] Workqueue: netns cleanup_net [ 589.469889][ T69] Call Trace: [ 589.469890][ T69] [ 589.469892][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 589.469897][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 589.469899][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 589.469902][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 589.469905][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 589.469908][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.469911][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 589.469913][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 589.469917][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 589.469921][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 589.469923][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 589.469925][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 589.469927][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 589.469929][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 589.469932][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 589.469936][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 589.469938][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 589.469940][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 589.469942][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.469943][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.469945][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 589.469948][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 589.469950][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.469951][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.469952][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.469953][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 589.469956][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 589.469957][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 589.469960][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 589.469963][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 589.469965][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 589.469966][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 589.469968][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.469969][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 589.469971][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 589.469973][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 589.469974][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 589.469976][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 589.469978][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 589.469980][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 589.469981][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 589.469982][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 589.469985][ T69] ? kthread (kernel/kthread.c:436) [ 589.469987][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 589.469990][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 589.469993][ T69] _printk (kernel/printk/printk.c:2504) [ 589.469996][ T69] ? snapshot_read.cold (user.c:?) [ 589.469998][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 589.470002][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 589.470004][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 589.470006][ T69] ? netdev_notice (net/core/dev.c:13194) [ 589.470008][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.470010][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 589.470011][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 589.470014][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 589.470015][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 589.470017][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 589.470019][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 589.470022][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 589.470025][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 589.470027][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 589.470030][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 589.470032][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 589.470034][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 589.470037][ T69] cleanup_net (net/core/net_namespace.c:706) [ 589.470039][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 589.470040][ T69] ? update_load_avg (kernel/sched/fair.c:5864) [ 589.470043][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 589.470045][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 589.470053][ T69] process_one_work (kernel/workqueue.c:3387) [ 589.470056][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 589.470058][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 589.470061][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 589.470063][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 589.470065][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 589.470067][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 589.470069][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 589.470071][ T69] kthread (kernel/kthread.c:436) [ 589.470072][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 589.470074][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 589.470076][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 589.470077][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 589.470080][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 589.470082][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 589.470084][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 590.672419][T12788] softirqs last disabled at (0): 0x0 | [ 590.672421][T12788] Preemption disabled at: | [ 590.672422][T12788] vprintk_emit (kernel/printk/printk.c:2471) | [ 590.672432][T12788] Tainted: [W]=WARN [ 590.672432][T12788] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 590.672435][T12788] Call Trace: [ 590.672436][T12788] [ 590.672438][T12788] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 590.672443][T12788] ? vprintk_emit (kernel/printk/printk.c:2471) [ 590.672444][T12788] __might_resched.cold (kernel/sched/core.c:9234) [ 590.672448][T12788] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 590.672450][T12788] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 590.672453][T12788] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.672456][T12788] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 590.672459][T12788] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 590.672462][T12788] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 590.672467][T12788] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 590.672469][T12788] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 590.672471][T12788] put_chars (drivers/char/virtio_console.c:1176) [ 590.672473][T12788] ? __send_to_port (drivers/char/virtio_console.c:654) [ 590.672475][T12788] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 590.672478][T12788] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 590.672482][T12788] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 590.672484][T12788] ? vsnprintf (lib/vsprintf.c:2900) [ 590.672487][T12788] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 590.672489][T12788] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.672490][T12788] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.672492][T12788] console_emit_next_record (kernel/printk/printk.c:3183) [ 590.672494][T12788] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 590.672496][T12788] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.672497][T12788] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.672498][T12788] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.672500][T12788] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 590.672502][T12788] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 590.672504][T12788] console_flush_one_record (kernel/printk/printk.c:3268) [ 590.672506][T12788] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 590.672509][T12788] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 590.672511][T12788] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 590.672513][T12788] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 590.672514][T12788] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.672515][T12788] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 590.672517][T12788] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 590.672518][T12788] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 590.672520][T12788] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 590.672522][T12788] ? vprintk_emit (kernel/printk/printk.c:2478) [ 590.672523][T12788] vprintk_emit (kernel/printk/printk.c:2479) [ 590.672525][T12788] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 590.672526][T12788] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 590.672528][T12788] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 590.672531][T12788] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 590.672533][T12788] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.672534][T12788] _printk (kernel/printk/printk.c:2504) [ 590.672537][T12788] ? snapshot_read.cold (user.c:?) [ 590.672539][T12788] ? br_multicast_flood (??:?) [ 590.672543][T12788] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 590.672546][T12788] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 590.672547][T12788] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 590.672548][T12788] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 590.672551][T12788] br_init_port (net/bridge/br_stp_if.c:39) [ 590.672553][T12788] new_nbp (net/bridge/br_if.c:449) [ 590.672555][T12788] br_add_if (net/bridge/br_if.c:592) [ 590.672557][T12788] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 590.672561][T12788] do_set_master (net/core/rtnetlink.c:3071) [ 590.672563][T12788] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 590.672565][T12788] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 590.672566][T12788] ? __dev_get_by_name (net/core/dev.c:905) [ 590.672568][T12788] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 590.672572][T12788] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 590.672574][T12788] rtnl_newlink (net/core/rtnetlink.c:4215) [ 590.672576][T12788] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.672578][T12788] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 590.672579][T12788] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 590.672580][T12788] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.672582][T12788] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 590.672584][T12788] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 590.672586][T12788] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 590.672589][T12788] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.672590][T12788] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 590.672591][T12788] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.672593][T12788] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 590.672594][T12788] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 590.672596][T12788] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 590.672597][T12788] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 590.672599][T12788] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 590.672603][T12788] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 590.672606][T12788] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 590.672607][T12788] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 590.672609][T12788] ? netlink_ack (./include/linux/skbuff.h:2718) [ 590.672610][T12788] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 590.672613][T12788] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.672614][T12788] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 590.672617][T12788] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 590.672619][T12788] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 590.672621][T12788] ? next_uptodate_folio (mm/filemap.c:3747) [ 590.672624][T12788] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 590.672626][T12788] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 590.672628][T12788] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 590.672629][T12788] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 590.672633][T12788] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 590.672636][T12788] ____sys_sendmsg (net/socket.c:2713) [ 590.672637][T12788] ? copy_msghdr_from_user (net/socket.c:2650) [ 590.672639][T12788] ? sock_write_iter (net/socket.c:1269) [ 590.672641][T12788] ? move_addr_to_kernel (net/socket.c:258) [ 590.672643][T12788] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 590.672645][T12788] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 590.672647][T12788] ___sys_sendmsg (net/socket.c:2767) [ 590.672649][T12788] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 590.672651][T12788] ? copy_msghdr_from_user (net/socket.c:2619) [ 590.672653][T12788] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 590.672657][T12788] __sys_sendmsg (net/socket.c:2799) [ 590.672659][T12788] ? __sys_sendmsg_sock (net/socket.c:2780) [ 590.672662][T12788] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.672663][T12788] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 590.672665][T12788] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 590.672667][T12788] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 590.672669][T12788] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 590.672671][T12788] RIP: 0033:0x7f42204ed54e [ 590.672673][T12788] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 590.672675][T12788] RSP: 002b:00007fff2b4e1b20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 590.672679][T12788] RAX: ffffffffffffffda RBX: 00007fff2b4e22e8 RCX: 00007f42204ed54e [ 590.672680][T12788] RDX: 0000000000000000 RSI: 00007fff2b4e1bd0 RDI: 0000000000000005 [ 590.672681][T12788] RBP: 00007fff2b4e1b30 R08: 0000000000000000 R09: 0000000000000000 [ 590.672682][T12788] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919060 [ 590.672683][T12788] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2b4e22a0 | [ 591.968578][T12858] softirqs last disabled at (0): 0x0 | [ 591.968580][T12858] Preemption disabled at: | [ 591.968581][T12858] vprintk_emit (kernel/printk/printk.c:2471) | [ 591.968592][T12858] Tainted: [W]=WARN [ 591.968593][T12858] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 591.968594][T12858] Call Trace: [ 591.968596][T12858] [ 591.968597][T12858] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 591.968603][T12858] ? vprintk_emit (kernel/printk/printk.c:2471) [ 591.968604][T12858] __might_resched.cold (kernel/sched/core.c:9234) [ 591.968608][T12858] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 591.968612][T12858] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.968614][T12858] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 591.968617][T12858] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 591.968620][T12858] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 591.968625][T12858] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 591.968627][T12858] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 591.968629][T12858] put_chars (drivers/char/virtio_console.c:1176) [ 591.968631][T12858] ? __send_to_port (drivers/char/virtio_console.c:654) [ 591.968632][T12858] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 591.968635][T12858] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 591.968637][T12858] ? pointer (lib/vsprintf.c:2577) [ 591.968640][T12858] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 591.968645][T12858] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 591.968647][T12858] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 591.968648][T12858] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 591.968651][T12858] console_emit_next_record (kernel/printk/printk.c:3183) [ 591.968654][T12858] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 591.968656][T12858] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.968657][T12858] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.968658][T12858] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.968659][T12858] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 591.968661][T12858] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 591.968663][T12858] console_flush_one_record (kernel/printk/printk.c:3268) [ 591.968666][T12858] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 591.968669][T12858] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 591.968670][T12858] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 591.968672][T12858] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 591.968674][T12858] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.968675][T12858] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 591.968676][T12858] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 591.968678][T12858] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 591.968679][T12858] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 591.968682][T12858] ? vprintk_emit (kernel/printk/printk.c:2478) [ 591.968683][T12858] vprintk_emit (kernel/printk/printk.c:2479) [ 591.968685][T12858] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 591.968686][T12858] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 591.968689][T12858] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 591.968691][T12858] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 591.968694][T12858] _printk (kernel/printk/printk.c:2504) [ 591.968697][T12858] ? snapshot_read.cold (user.c:?) [ 591.968699][T12858] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 591.968701][T12858] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 591.968705][T12858] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 591.968706][T12858] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 591.968710][T12858] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 591.968712][T12858] ? netdev_notice (net/core/dev.c:13194) [ 591.968714][T12858] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 591.968716][T12858] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 591.968718][T12858] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 591.968720][T12858] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.968721][T12858] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.968722][T12858] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 591.968723][T12858] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 591.968725][T12858] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 591.968726][T12858] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 591.968728][T12858] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 591.968730][T12858] ? register_netdev (net/core/dev.c:11618) [ 591.968731][T12858] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 591.968733][T12858] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 591.968735][T12858] ? __kernel_text_address (kernel/extable.c:79) [ 591.968738][T12858] ? write_profile (profile.c:?) [ 591.968741][T12858] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 591.968744][T12858] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 591.968746][T12858] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 591.968748][T12858] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 591.968749][T12858] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.968750][T12858] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 591.968753][T12858] ? kasan_save_stack (mm/kasan/common.c:58) [ 591.968755][T12858] ? kasan_save_stack (mm/kasan/common.c:57) [ 591.968756][T12858] ? kasan_save_track (mm/kasan/common.c:78) [ 591.968758][T12858] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 591.968759][T12858] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 591.968760][T12858] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 591.968761][T12858] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 591.968762][T12858] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 591.968765][T12858] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 591.968767][T12858] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 591.968768][T12858] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 591.968771][T12858] ? ____sys_sendmsg (net/socket.c:2713) [ 591.968772][T12858] ? ___sys_sendmsg (net/socket.c:2767) [ 591.968774][T12858] ? __sys_sendmsg (net/socket.c:2799) [ 591.968775][T12858] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 591.968778][T12858] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 591.968780][T12858] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.968782][T12858] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 591.968783][T12858] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.968784][T12858] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.968785][T12858] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 591.968787][T12858] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 591.968788][T12858] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 591.968790][T12858] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 591.968791][T12858] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 591.968792][T12858] ? nla_get_range_signed (lib/nlattr.c:270) [ 591.968795][T12858] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.968797][T12858] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 591.968799][T12858] rtnl_newlink (net/core/rtnetlink.c:4215) [ 591.968801][T12858] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.968802][T12858] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 591.968803][T12858] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 591.968805][T12858] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.968806][T12858] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 591.968809][T12858] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 591.968810][T12858] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 591.968811][T12858] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.968812][T12858] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 591.968816][T12858] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 591.968818][T12858] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.968819][T12858] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 591.968821][T12858] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.968822][T12858] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 591.968823][T12858] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 591.968825][T12858] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 591.968826][T12858] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 591.968828][T12858] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 591.968830][T12858] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 591.968832][T12858] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 591.968833][T12858] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 591.968835][T12858] ? netlink_ack (./include/linux/skbuff.h:2718) [ 591.968837][T12858] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 591.968840][T12858] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.968841][T12858] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 591.968843][T12858] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 591.968845][T12858] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 591.968847][T12858] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 591.968849][T12858] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 591.968851][T12858] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 591.968852][T12858] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 591.968854][T12858] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 591.968856][T12858] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 591.968859][T12858] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 591.968861][T12858] ____sys_sendmsg (net/socket.c:2713) [ 591.968862][T12858] ? copy_msghdr_from_user (net/socket.c:2650) [ 591.968864][T12858] ? sock_write_iter (net/socket.c:1269) [ 591.968865][T12858] ? move_addr_to_kernel (net/socket.c:258) [ 591.968867][T12858] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 591.968870][T12858] ___sys_sendmsg (net/socket.c:2767) [ 591.968871][T12858] ? copy_msghdr_from_user (net/socket.c:2619) [ 591.968876][T12858] __sys_sendmsg (net/socket.c:2799) [ 591.968878][T12858] ? __sys_sendmsg_sock (net/socket.c:2780) [ 591.968881][T12858] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 591.968882][T12858] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 591.968884][T12858] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 591.968886][T12858] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 591.968887][T12858] RIP: 0033:0x7f380027054e [ 591.968889][T12858] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 591.968891][T12858] RSP: 002b:00007ffe0a9218f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 591.968895][T12858] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f380027054e [ 591.968896][T12858] RDX: 0000000000000000 RSI: 00007ffe0a9219a0 RDI: 0000000000000005 [ 591.968897][T12858] RBP: 00007ffe0a921900 R08: 0000000000000000 R09: 0000000000000000 [ 591.968898][T12858] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919061 [ 591.968899][T12858] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0a922060 | [ 593.022624][T12908] softirqs last disabled at (0): 0x0 | [ 593.022626][T12908] Preemption disabled at: | [ 593.022627][T12908] vprintk_emit (kernel/printk/printk.c:2471) | [ 593.022637][T12908] Tainted: [W]=WARN [ 593.022638][T12908] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 593.022640][T12908] Call Trace: [ 593.022641][T12908] [ 593.022643][T12908] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 593.022648][T12908] ? vprintk_emit (kernel/printk/printk.c:2471) [ 593.022650][T12908] __might_resched.cold (kernel/sched/core.c:9234) [ 593.022654][T12908] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 593.022656][T12908] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 593.022659][T12908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.022662][T12908] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 593.022665][T12908] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 593.022668][T12908] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 593.022673][T12908] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 593.022675][T12908] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 593.022677][T12908] put_chars (drivers/char/virtio_console.c:1176) [ 593.022679][T12908] ? __send_to_port (drivers/char/virtio_console.c:654) [ 593.022681][T12908] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 593.022683][T12908] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 593.022688][T12908] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 593.022690][T12908] ? vsnprintf (lib/vsprintf.c:2900) [ 593.022693][T12908] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 593.022695][T12908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.022696][T12908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.022698][T12908] console_emit_next_record (kernel/printk/printk.c:3183) [ 593.022700][T12908] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 593.022703][T12908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.022704][T12908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.022705][T12908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.022706][T12908] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 593.022708][T12908] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 593.022710][T12908] console_flush_one_record (kernel/printk/printk.c:3268) [ 593.022712][T12908] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 593.022715][T12908] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 593.022717][T12908] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 593.022719][T12908] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 593.022720][T12908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.022721][T12908] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 593.022723][T12908] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 593.022725][T12908] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 593.022726][T12908] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 593.022728][T12908] ? vprintk_emit (kernel/printk/printk.c:2478) [ 593.022730][T12908] vprintk_emit (kernel/printk/printk.c:2479) [ 593.022732][T12908] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 593.022733][T12908] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 593.022734][T12908] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 593.022737][T12908] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 593.022739][T12908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.022740][T12908] _printk (kernel/printk/printk.c:2504) [ 593.022743][T12908] ? snapshot_read.cold (user.c:?) [ 593.022746][T12908] ? br_multicast_flood (??:?) [ 593.022749][T12908] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 593.022752][T12908] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 593.022753][T12908] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 593.022755][T12908] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 593.022758][T12908] br_init_port (net/bridge/br_stp_if.c:39) [ 593.022760][T12908] new_nbp (net/bridge/br_if.c:449) [ 593.022762][T12908] br_add_if (net/bridge/br_if.c:592) [ 593.022764][T12908] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 593.022769][T12908] do_set_master (net/core/rtnetlink.c:3071) [ 593.022770][T12908] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 593.022772][T12908] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 593.022774][T12908] ? __dev_get_by_name (net/core/dev.c:905) [ 593.022775][T12908] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 593.022779][T12908] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 593.022781][T12908] rtnl_newlink (net/core/rtnetlink.c:4215) [ 593.022783][T12908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.022785][T12908] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 593.022786][T12908] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 593.022787][T12908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.022789][T12908] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 593.022791][T12908] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 593.022793][T12908] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 593.022795][T12908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.022796][T12908] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 593.022798][T12908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.022799][T12908] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 593.022800][T12908] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 593.022802][T12908] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 593.022803][T12908] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 593.022805][T12908] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 593.022809][T12908] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 593.022812][T12908] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 593.022813][T12908] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 593.022815][T12908] ? netlink_ack (./include/linux/skbuff.h:2718) [ 593.022817][T12908] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 593.022820][T12908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.022821][T12908] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 593.022823][T12908] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 593.022825][T12908] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 593.022827][T12908] ? next_uptodate_folio (mm/filemap.c:3747) [ 593.022830][T12908] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 593.022833][T12908] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 593.022834][T12908] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 593.022836][T12908] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 593.022840][T12908] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 593.022843][T12908] ____sys_sendmsg (net/socket.c:2713) [ 593.022844][T12908] ? copy_msghdr_from_user (net/socket.c:2650) [ 593.022846][T12908] ? sock_write_iter (net/socket.c:1269) [ 593.022848][T12908] ? move_addr_to_kernel (net/socket.c:258) [ 593.022850][T12908] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 593.022853][T12908] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 593.022854][T12908] ___sys_sendmsg (net/socket.c:2767) [ 593.022856][T12908] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 593.022858][T12908] ? copy_msghdr_from_user (net/socket.c:2619) [ 593.022860][T12908] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 593.022864][T12908] __sys_sendmsg (net/socket.c:2799) [ 593.022866][T12908] ? __sys_sendmsg_sock (net/socket.c:2780) [ 593.022869][T12908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.022870][T12908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 593.022871][T12908] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 593.022874][T12908] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 593.022876][T12908] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 593.022878][T12908] RIP: 0033:0x7f5af158654e [ 593.022880][T12908] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 593.022882][T12908] RSP: 002b:00007ffc658ea3f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 593.022886][T12908] RAX: ffffffffffffffda RBX: 00007ffc658eabb8 RCX: 00007f5af158654e [ 593.022887][T12908] RDX: 0000000000000000 RSI: 00007ffc658ea4a0 RDI: 0000000000000005 [ 593.022888][T12908] RBP: 00007ffc658ea400 R08: 0000000000000000 R09: 0000000000000000 [ 593.022889][T12908] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919062 [ 593.022890][T12908] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc658eab70 | [ 599.020949][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 599.020952][ T69] Preemption disabled at: | [ 599.020953][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 599.020963][ T69] Tainted: [W]=WARN [ 599.020964][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 599.020965][ T69] Workqueue: netns cleanup_net [ 599.020971][ T69] Call Trace: [ 599.020973][ T69] [ 599.020975][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 599.020981][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 599.020982][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 599.020986][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 599.020988][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 599.020991][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.020994][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 599.020997][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 599.021000][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 599.021005][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 599.021006][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 599.021009][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 599.021010][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 599.021012][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 599.021015][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 599.021020][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 599.021022][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 599.021024][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 599.021026][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.021027][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.021028][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 599.021031][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 599.021033][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.021034][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.021035][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.021036][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 599.021039][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 599.021041][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 599.021043][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 599.021046][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 599.021048][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 599.021049][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 599.021051][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.021052][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 599.021054][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 599.021055][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 599.021057][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 599.021059][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 599.021060][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 599.021062][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 599.021063][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 599.021065][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 599.021068][ T69] ? kthread (kernel/kthread.c:436) [ 599.021070][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 599.021073][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 599.021076][ T69] _printk (kernel/printk/printk.c:2504) [ 599.021079][ T69] ? snapshot_read.cold (user.c:?) [ 599.021086][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 599.021090][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 599.021092][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 599.021094][ T69] ? netdev_notice (net/core/dev.c:13194) [ 599.021097][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.021098][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 599.021099][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 599.021102][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 599.021104][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 599.021105][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 599.021108][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 599.021110][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 599.021114][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 599.021116][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 599.021119][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 599.021121][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 599.021123][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 599.021126][ T69] cleanup_net (net/core/net_namespace.c:706) [ 599.021128][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 599.021129][ T69] ? update_load_avg (kernel/sched/fair.c:5864) [ 599.021132][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 599.021134][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 599.021135][ T69] process_one_work (kernel/workqueue.c:3387) [ 599.021138][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 599.021141][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 599.021143][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 599.021146][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 599.021147][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 599.021149][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 599.021151][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 599.021153][ T69] kthread (kernel/kthread.c:436) [ 599.021155][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 599.021156][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 599.021158][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 599.021160][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 599.021162][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 599.021165][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 599.021167][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 600.199824][T13043] softirqs last disabled at (0): 0x0 | [ 600.199825][T13043] Preemption disabled at: | [ 600.199826][T13043] vprintk_emit (kernel/printk/printk.c:2471) | [ 600.199836][T13043] Tainted: [W]=WARN [ 600.199837][T13043] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 600.199839][T13043] Call Trace: [ 600.199840][T13043] [ 600.199842][T13043] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 600.199847][T13043] ? vprintk_emit (kernel/printk/printk.c:2471) [ 600.199849][T13043] __might_resched.cold (kernel/sched/core.c:9234) [ 600.199852][T13043] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 600.199854][T13043] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 600.199858][T13043] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.199860][T13043] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 600.199863][T13043] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 600.199866][T13043] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 600.199871][T13043] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 600.199873][T13043] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 600.199875][T13043] put_chars (drivers/char/virtio_console.c:1176) [ 600.199877][T13043] ? __send_to_port (drivers/char/virtio_console.c:654) [ 600.199879][T13043] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 600.199881][T13043] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 600.199886][T13043] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 600.199888][T13043] ? vsnprintf (lib/vsprintf.c:2900) [ 600.199891][T13043] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 600.199893][T13043] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.199894][T13043] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.199896][T13043] console_emit_next_record (kernel/printk/printk.c:3183) [ 600.199899][T13043] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 600.199901][T13043] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.199902][T13043] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.199903][T13043] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.199904][T13043] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 600.199907][T13043] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 600.199908][T13043] console_flush_one_record (kernel/printk/printk.c:3268) [ 600.199911][T13043] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 600.199914][T13043] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 600.199916][T13043] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 600.199917][T13043] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 600.199919][T13043] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.199920][T13043] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 600.199922][T13043] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 600.199923][T13043] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 600.199925][T13043] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 600.199927][T13043] ? vprintk_emit (kernel/printk/printk.c:2478) [ 600.199929][T13043] vprintk_emit (kernel/printk/printk.c:2479) [ 600.199930][T13043] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 600.199932][T13043] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 600.199933][T13043] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 600.199936][T13043] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 600.199938][T13043] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.199939][T13043] _printk (kernel/printk/printk.c:2504) [ 600.199942][T13043] ? snapshot_read.cold (user.c:?) [ 600.199944][T13043] ? br_multicast_flood (??:?) [ 600.199948][T13043] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 600.199951][T13043] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 600.199952][T13043] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 600.199954][T13043] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 600.199957][T13043] br_init_port (net/bridge/br_stp_if.c:39) [ 600.199958][T13043] new_nbp (net/bridge/br_if.c:449) [ 600.199961][T13043] br_add_if (net/bridge/br_if.c:592) [ 600.199962][T13043] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 600.199967][T13043] do_set_master (net/core/rtnetlink.c:3071) [ 600.199969][T13043] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 600.199970][T13043] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 600.199972][T13043] ? __dev_get_by_name (net/core/dev.c:905) [ 600.199974][T13043] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 600.199977][T13043] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 600.199980][T13043] rtnl_newlink (net/core/rtnetlink.c:4215) [ 600.199982][T13043] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.199983][T13043] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 600.199984][T13043] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 600.199986][T13043] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.199987][T13043] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 600.199990][T13043] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 600.199992][T13043] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 600.199994][T13043] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.199996][T13043] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 600.199997][T13043] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.199998][T13043] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 600.200000][T13043] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 600.200002][T13043] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 600.200003][T13043] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 600.200005][T13043] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 600.200008][T13043] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 600.200011][T13043] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 600.200013][T13043] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 600.200014][T13043] ? netlink_ack (./include/linux/skbuff.h:2718) [ 600.200016][T13043] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 600.200019][T13043] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.200020][T13043] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 600.200022][T13043] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 600.200025][T13043] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 600.200027][T13043] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 600.200029][T13043] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 600.200032][T13043] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 600.200035][T13043] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 600.200037][T13043] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 600.200038][T13043] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 600.200042][T13043] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 600.200044][T13043] ____sys_sendmsg (net/socket.c:2713) [ 600.200046][T13043] ? copy_msghdr_from_user (net/socket.c:2650) [ 600.200048][T13043] ? sock_write_iter (net/socket.c:1269) [ 600.200049][T13043] ? move_addr_to_kernel (net/socket.c:258) [ 600.200052][T13043] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 600.200054][T13043] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 600.200056][T13043] ___sys_sendmsg (net/socket.c:2767) [ 600.200058][T13043] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 600.200060][T13043] ? copy_msghdr_from_user (net/socket.c:2619) [ 600.200061][T13043] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 600.200066][T13043] __sys_sendmsg (net/socket.c:2799) [ 600.200068][T13043] ? __sys_sendmsg_sock (net/socket.c:2780) [ 600.200071][T13043] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.200072][T13043] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 600.200073][T13043] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 600.200076][T13043] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 600.200078][T13043] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 600.200079][T13043] RIP: 0033:0x7fe3e0b6f54e [ 600.200082][T13043] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 600.200084][T13043] RSP: 002b:00007ffc5ded12c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 600.200091][T13043] RAX: ffffffffffffffda RBX: 00007ffc5ded1a88 RCX: 00007fe3e0b6f54e [ 600.200093][T13043] RDX: 0000000000000000 RSI: 00007ffc5ded1370 RDI: 0000000000000005 [ 600.200094][T13043] RBP: 00007ffc5ded12d0 R08: 0000000000000000 R09: 0000000000000000 [ 600.200095][T13043] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919069 [ 600.200096][T13043] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5ded1a40 | [ 601.530317][T13113] softirqs last disabled at (0): 0x0 | [ 601.530319][T13113] Preemption disabled at: | [ 601.530320][T13113] vprintk_emit (kernel/printk/printk.c:2471) | [ 601.530330][T13113] Tainted: [W]=WARN [ 601.530331][T13113] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 601.530333][T13113] Call Trace: [ 601.530334][T13113] [ 601.530335][T13113] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 601.530341][T13113] ? vprintk_emit (kernel/printk/printk.c:2471) [ 601.530342][T13113] __might_resched.cold (kernel/sched/core.c:9234) [ 601.530347][T13113] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 601.530350][T13113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.530353][T13113] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 601.530356][T13113] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 601.530358][T13113] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 601.530363][T13113] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 601.530365][T13113] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 601.530368][T13113] put_chars (drivers/char/virtio_console.c:1176) [ 601.530370][T13113] ? __send_to_port (drivers/char/virtio_console.c:654) [ 601.530371][T13113] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 601.530373][T13113] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 601.530375][T13113] ? pointer (lib/vsprintf.c:2577) [ 601.530379][T13113] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 601.530384][T13113] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 601.530386][T13113] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 601.530388][T13113] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 601.530390][T13113] console_emit_next_record (kernel/printk/printk.c:3183) [ 601.530393][T13113] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 601.530395][T13113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.530396][T13113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.530397][T13113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.530398][T13113] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 601.530400][T13113] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 601.530402][T13113] console_flush_one_record (kernel/printk/printk.c:3268) [ 601.530405][T13113] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 601.530407][T13113] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 601.530409][T13113] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 601.530411][T13113] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 601.530413][T13113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.530414][T13113] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 601.530415][T13113] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 601.530417][T13113] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 601.530418][T13113] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 601.530421][T13113] ? vprintk_emit (kernel/printk/printk.c:2478) [ 601.530422][T13113] vprintk_emit (kernel/printk/printk.c:2479) [ 601.530424][T13113] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 601.530425][T13113] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 601.530427][T13113] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 601.530430][T13113] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 601.530433][T13113] _printk (kernel/printk/printk.c:2504) [ 601.530436][T13113] ? snapshot_read.cold (user.c:?) [ 601.530438][T13113] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 601.530440][T13113] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 601.530443][T13113] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 601.530445][T13113] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 601.530448][T13113] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 601.530451][T13113] ? netdev_notice (net/core/dev.c:13194) [ 601.530453][T13113] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 601.530455][T13113] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 601.530457][T13113] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 601.530459][T13113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.530460][T13113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.530461][T13113] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 601.530462][T13113] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 601.530464][T13113] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 601.530465][T13113] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 601.530467][T13113] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 601.530469][T13113] ? register_netdev (net/core/dev.c:11618) [ 601.530470][T13113] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 601.530472][T13113] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 601.530474][T13113] ? __kernel_text_address (kernel/extable.c:79) [ 601.530477][T13113] ? write_profile (profile.c:?) [ 601.530480][T13113] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 601.530484][T13113] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 601.530486][T13113] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 601.530487][T13113] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 601.530488][T13113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.530490][T13113] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 601.530493][T13113] ? kasan_save_stack (mm/kasan/common.c:58) [ 601.530495][T13113] ? kasan_save_stack (mm/kasan/common.c:57) [ 601.530496][T13113] ? kasan_save_track (mm/kasan/common.c:78) [ 601.530497][T13113] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 601.530498][T13113] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 601.530499][T13113] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 601.530501][T13113] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 601.530502][T13113] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 601.530505][T13113] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 601.530506][T13113] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 601.530508][T13113] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 601.530511][T13113] ? ____sys_sendmsg (net/socket.c:2713) [ 601.530512][T13113] ? ___sys_sendmsg (net/socket.c:2767) [ 601.530514][T13113] ? __sys_sendmsg (net/socket.c:2799) [ 601.530515][T13113] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 601.530518][T13113] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 601.530520][T13113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.530522][T13113] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 601.530523][T13113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.530524][T13113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.530525][T13113] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 601.530527][T13113] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 601.530528][T13113] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 601.530529][T13113] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 601.530531][T13113] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 601.530532][T13113] ? nla_get_range_signed (lib/nlattr.c:270) [ 601.530535][T13113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.530537][T13113] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 601.530539][T13113] rtnl_newlink (net/core/rtnetlink.c:4215) [ 601.530541][T13113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.530542][T13113] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 601.530543][T13113] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 601.530545][T13113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.530546][T13113] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 601.530549][T13113] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 601.530550][T13113] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 601.530551][T13113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.530552][T13113] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 601.530556][T13113] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 601.530558][T13113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.530559][T13113] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 601.530561][T13113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.530562][T13113] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 601.530563][T13113] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 601.530565][T13113] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 601.530566][T13113] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 601.530568][T13113] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 601.530570][T13113] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 601.530572][T13113] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 601.530573][T13113] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 601.530575][T13113] ? netlink_ack (./include/linux/skbuff.h:2718) [ 601.530577][T13113] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 601.530580][T13113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.530581][T13113] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 601.530583][T13113] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 601.530585][T13113] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 601.530587][T13113] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 601.530589][T13113] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 601.530591][T13113] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 601.530592][T13113] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 601.530594][T13113] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 601.530596][T13113] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 601.530599][T13113] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 601.530601][T13113] ____sys_sendmsg (net/socket.c:2713) [ 601.530602][T13113] ? copy_msghdr_from_user (net/socket.c:2650) [ 601.530604][T13113] ? sock_write_iter (net/socket.c:1269) [ 601.530606][T13113] ? move_addr_to_kernel (net/socket.c:258) [ 601.530607][T13113] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 601.530610][T13113] ___sys_sendmsg (net/socket.c:2767) [ 601.530611][T13113] ? copy_msghdr_from_user (net/socket.c:2619) [ 601.530616][T13113] __sys_sendmsg (net/socket.c:2799) [ 601.530618][T13113] ? __sys_sendmsg_sock (net/socket.c:2780) [ 601.530621][T13113] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 601.530622][T13113] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 601.530624][T13113] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 601.530626][T13113] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 601.530627][T13113] RIP: 0033:0x7fcb6ee0c54e [ 601.530629][T13113] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 601.530631][T13113] RSP: 002b:00007ffe36f32100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 601.530635][T13113] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fcb6ee0c54e [ 601.530637][T13113] RDX: 0000000000000000 RSI: 00007ffe36f321b0 RDI: 0000000000000005 [ 601.530637][T13113] RBP: 00007ffe36f32110 R08: 0000000000000000 R09: 0000000000000000 [ 601.530638][T13113] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91906a [ 601.530639][T13113] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe36f32870 | [ 602.600942][T13163] softirqs last disabled at (0): 0x0 | [ 602.600943][T13163] Preemption disabled at: | [ 602.600944][T13163] vprintk_emit (kernel/printk/printk.c:2471) | [ 602.600955][T13163] Tainted: [W]=WARN [ 602.600956][T13163] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 602.600958][T13163] Call Trace: [ 602.600959][T13163] [ 602.600961][T13163] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 602.600966][T13163] ? vprintk_emit (kernel/printk/printk.c:2471) [ 602.600968][T13163] __might_resched.cold (kernel/sched/core.c:9234) [ 602.600972][T13163] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 602.600974][T13163] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 602.600977][T13163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.600980][T13163] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 602.600983][T13163] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 602.600987][T13163] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 602.600992][T13163] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 602.600994][T13163] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 602.600997][T13163] put_chars (drivers/char/virtio_console.c:1176) [ 602.600998][T13163] ? __send_to_port (drivers/char/virtio_console.c:654) [ 602.601000][T13163] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 602.601003][T13163] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 602.601008][T13163] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 602.601010][T13163] ? vsnprintf (lib/vsprintf.c:2900) [ 602.601013][T13163] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 602.601015][T13163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.601016][T13163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.601017][T13163] console_emit_next_record (kernel/printk/printk.c:3183) [ 602.601020][T13163] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 602.601023][T13163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.601024][T13163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.601025][T13163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.601026][T13163] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 602.601028][T13163] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 602.601030][T13163] console_flush_one_record (kernel/printk/printk.c:3268) [ 602.601033][T13163] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 602.601036][T13163] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 602.601038][T13163] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 602.601039][T13163] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 602.601041][T13163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.601042][T13163] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 602.601044][T13163] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 602.601045][T13163] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 602.601047][T13163] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 602.601049][T13163] ? vprintk_emit (kernel/printk/printk.c:2478) [ 602.601051][T13163] vprintk_emit (kernel/printk/printk.c:2479) [ 602.601053][T13163] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 602.601054][T13163] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 602.601056][T13163] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 602.601059][T13163] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 602.601061][T13163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.601062][T13163] _printk (kernel/printk/printk.c:2504) [ 602.601065][T13163] ? snapshot_read.cold (user.c:?) [ 602.601068][T13163] ? br_multicast_flood (??:?) [ 602.601071][T13163] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 602.601074][T13163] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 602.601075][T13163] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 602.601077][T13163] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 602.601080][T13163] br_init_port (net/bridge/br_stp_if.c:39) [ 602.601081][T13163] new_nbp (net/bridge/br_if.c:449) [ 602.601084][T13163] br_add_if (net/bridge/br_if.c:592) [ 602.601086][T13163] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 602.601090][T13163] do_set_master (net/core/rtnetlink.c:3071) [ 602.601092][T13163] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 602.601098][T13163] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 602.601099][T13163] ? __dev_get_by_name (net/core/dev.c:905) [ 602.601101][T13163] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 602.601105][T13163] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 602.601108][T13163] rtnl_newlink (net/core/rtnetlink.c:4215) [ 602.601110][T13163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.601111][T13163] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 602.601112][T13163] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 602.601114][T13163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.601116][T13163] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 602.601118][T13163] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 602.601120][T13163] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 602.601123][T13163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.601124][T13163] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 602.601125][T13163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.601127][T13163] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 602.601128][T13163] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 602.601130][T13163] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 602.601131][T13163] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 602.601133][T13163] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 602.601137][T13163] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 602.601140][T13163] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 602.601142][T13163] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 602.601143][T13163] ? netlink_ack (./include/linux/skbuff.h:2718) [ 602.601145][T13163] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 602.601148][T13163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.601149][T13163] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 602.601151][T13163] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 602.601153][T13163] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 602.601155][T13163] ? next_uptodate_folio (mm/filemap.c:3747) [ 602.601158][T13163] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 602.601161][T13163] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 602.601163][T13163] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 602.601164][T13163] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 602.601168][T13163] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 602.601171][T13163] ____sys_sendmsg (net/socket.c:2713) [ 602.601173][T13163] ? copy_msghdr_from_user (net/socket.c:2650) [ 602.601175][T13163] ? sock_write_iter (net/socket.c:1269) [ 602.601176][T13163] ? move_addr_to_kernel (net/socket.c:258) [ 602.601181][T13163] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 602.601183][T13163] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 602.601185][T13163] ___sys_sendmsg (net/socket.c:2767) [ 602.601187][T13163] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 602.601189][T13163] ? copy_msghdr_from_user (net/socket.c:2619) [ 602.601191][T13163] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 602.601195][T13163] __sys_sendmsg (net/socket.c:2799) [ 602.601198][T13163] ? __sys_sendmsg_sock (net/socket.c:2780) [ 602.601200][T13163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.601201][T13163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 602.601203][T13163] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 602.601206][T13163] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 602.601208][T13163] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 602.601210][T13163] RIP: 0033:0x7fe1f063d54e [ 602.601212][T13163] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 602.601214][T13163] RSP: 002b:00007ffeee70d780 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 602.601217][T13163] RAX: ffffffffffffffda RBX: 00007ffeee70df48 RCX: 00007fe1f063d54e [ 602.601219][T13163] RDX: 0000000000000000 RSI: 00007ffeee70d830 RDI: 0000000000000005 [ 602.601220][T13163] RBP: 00007ffeee70d790 R08: 0000000000000000 R09: 0000000000000000 [ 602.601221][T13163] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91906b [ 602.601222][T13163] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeee70df00 | [ 608.606349][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 608.606352][ T69] Preemption disabled at: | [ 608.606353][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 608.606363][ T69] Tainted: [W]=WARN [ 608.606364][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 608.606366][ T69] Workqueue: netns cleanup_net [ 608.606372][ T69] Call Trace: [ 608.606373][ T69] [ 608.606374][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 608.606380][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 608.606381][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 608.606385][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 608.606387][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 608.606390][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.606393][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 608.606396][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 608.606399][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 608.606404][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 608.606405][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 608.606408][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 608.606410][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 608.606412][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 608.606414][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 608.606419][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 608.606421][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 608.606423][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 608.606425][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.606426][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.606428][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 608.606430][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 608.606432][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.606433][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.606434][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.606436][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 608.606438][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 608.606440][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 608.606442][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 608.606445][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 608.606447][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 608.606449][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 608.606450][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.606451][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 608.606453][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 608.606455][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 608.606456][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 608.606458][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 608.606459][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 608.606461][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 608.606462][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 608.606464][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 608.606467][ T69] ? kthread (kernel/kthread.c:436) [ 608.606469][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 608.606472][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 608.606474][ T69] _printk (kernel/printk/printk.c:2504) [ 608.606477][ T69] ? snapshot_read.cold (user.c:?) [ 608.606480][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 608.606483][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 608.606485][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 608.606487][ T69] ? netdev_notice (net/core/dev.c:13194) [ 608.606489][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.606491][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 608.606492][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 608.606495][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 608.606497][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 608.606498][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 608.606500][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 608.606503][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 608.606507][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 608.606509][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 608.606511][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 608.606513][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 608.606515][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 608.606518][ T69] cleanup_net (net/core/net_namespace.c:706) [ 608.606520][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 608.606522][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 608.606524][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 608.606525][ T69] process_one_work (kernel/workqueue.c:3387) [ 608.606528][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 608.606531][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 608.606533][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 608.606536][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 608.606538][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 608.606539][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 608.606541][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 608.606543][ T69] kthread (kernel/kthread.c:436) [ 608.606545][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 608.606546][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 608.606548][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 608.606550][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 608.606552][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 608.606555][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 608.606557][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 609.805490][T13298] softirqs last disabled at (0): 0x0 | [ 609.805491][T13298] Preemption disabled at: | [ 609.805492][T13298] vprintk_emit (kernel/printk/printk.c:2471) | [ 609.805503][T13298] Tainted: [W]=WARN [ 609.805504][T13298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 609.805505][T13298] Call Trace: [ 609.805507][T13298] [ 609.805508][T13298] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 609.805514][T13298] ? vprintk_emit (kernel/printk/printk.c:2471) [ 609.805515][T13298] __might_resched.cold (kernel/sched/core.c:9234) [ 609.805519][T13298] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 609.805522][T13298] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 609.805525][T13298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.805527][T13298] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 609.805530][T13298] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 609.805533][T13298] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 609.805538][T13298] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 609.805540][T13298] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 609.805542][T13298] put_chars (drivers/char/virtio_console.c:1176) [ 609.805544][T13298] ? __send_to_port (drivers/char/virtio_console.c:654) [ 609.805546][T13298] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 609.805549][T13298] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 609.805553][T13298] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 609.805555][T13298] ? vsnprintf (lib/vsprintf.c:2900) [ 609.805558][T13298] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 609.805560][T13298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.805561][T13298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.805563][T13298] console_emit_next_record (kernel/printk/printk.c:3183) [ 609.805565][T13298] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 609.805568][T13298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.805569][T13298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.805569][T13298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.805571][T13298] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 609.805573][T13298] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 609.805575][T13298] console_flush_one_record (kernel/printk/printk.c:3268) [ 609.805577][T13298] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 609.805580][T13298] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 609.805582][T13298] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 609.805584][T13298] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 609.805586][T13298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.805586][T13298] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 609.805588][T13298] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 609.805590][T13298] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 609.805591][T13298] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 609.805593][T13298] ? vprintk_emit (kernel/printk/printk.c:2478) [ 609.805594][T13298] vprintk_emit (kernel/printk/printk.c:2479) [ 609.805596][T13298] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 609.805597][T13298] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 609.805599][T13298] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 609.805602][T13298] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 609.805604][T13298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.805605][T13298] _printk (kernel/printk/printk.c:2504) [ 609.805608][T13298] ? snapshot_read.cold (user.c:?) [ 609.805611][T13298] ? br_multicast_flood (??:?) [ 609.805614][T13298] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 609.805617][T13298] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 609.805618][T13298] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 609.805620][T13298] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 609.805623][T13298] br_init_port (net/bridge/br_stp_if.c:39) [ 609.805625][T13298] new_nbp (net/bridge/br_if.c:449) [ 609.805627][T13298] br_add_if (net/bridge/br_if.c:592) [ 609.805629][T13298] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 609.805633][T13298] do_set_master (net/core/rtnetlink.c:3071) [ 609.805635][T13298] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 609.805637][T13298] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 609.805638][T13298] ? __dev_get_by_name (net/core/dev.c:905) [ 609.805640][T13298] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 609.805644][T13298] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 609.805646][T13298] rtnl_newlink (net/core/rtnetlink.c:4215) [ 609.805648][T13298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.805650][T13298] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 609.805651][T13298] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 609.805652][T13298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.805654][T13298] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 609.805656][T13298] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 609.805658][T13298] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 609.805660][T13298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.805662][T13298] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 609.805663][T13298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.805664][T13298] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 609.805666][T13298] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 609.805668][T13298] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 609.805669][T13298] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 609.805671][T13298] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 609.805674][T13298] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 609.805678][T13298] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 609.805679][T13298] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 609.805681][T13298] ? netlink_ack (./include/linux/skbuff.h:2718) [ 609.805682][T13298] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 609.805685][T13298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.805686][T13298] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 609.805688][T13298] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 609.805691][T13298] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 609.805693][T13298] ? next_uptodate_folio (mm/filemap.c:3747) [ 609.805696][T13298] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 609.805698][T13298] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 609.805700][T13298] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 609.805702][T13298] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 609.805706][T13298] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 609.805709][T13298] ____sys_sendmsg (net/socket.c:2713) [ 609.805710][T13298] ? copy_msghdr_from_user (net/socket.c:2650) [ 609.805712][T13298] ? sock_write_iter (net/socket.c:1269) [ 609.805714][T13298] ? move_addr_to_kernel (net/socket.c:258) [ 609.805716][T13298] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 609.805719][T13298] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 609.805721][T13298] ___sys_sendmsg (net/socket.c:2767) [ 609.805722][T13298] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 609.805724][T13298] ? copy_msghdr_from_user (net/socket.c:2619) [ 609.805726][T13298] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 609.805731][T13298] __sys_sendmsg (net/socket.c:2799) [ 609.805733][T13298] ? __sys_sendmsg_sock (net/socket.c:2780) [ 609.805735][T13298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.805737][T13298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 609.805738][T13298] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 609.805741][T13298] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 609.805743][T13298] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 609.805745][T13298] RIP: 0033:0x7fa1c2d2554e [ 609.805747][T13298] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 609.805749][T13298] RSP: 002b:00007ffc3f055b50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 609.805752][T13298] RAX: ffffffffffffffda RBX: 00007ffc3f056318 RCX: 00007fa1c2d2554e [ 609.805754][T13298] RDX: 0000000000000000 RSI: 00007ffc3f055c00 RDI: 0000000000000005 [ 609.805755][T13298] RBP: 00007ffc3f055b60 R08: 0000000000000000 R09: 0000000000000000 [ 609.805755][T13298] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919073 [ 609.805756][T13298] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3f0562d0 | [ 611.111159][T13365] softirqs last disabled at (0): 0x0 | [ 611.111161][T13365] Preemption disabled at: | [ 611.111161][T13365] vprintk_emit (kernel/printk/printk.c:2471) | [ 611.111172][T13365] Tainted: [W]=WARN [ 611.111173][T13365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 611.111175][T13365] Call Trace: [ 611.111176][T13365] [ 611.111177][T13365] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 611.111185][T13365] ? vprintk_emit (kernel/printk/printk.c:2471) [ 611.111187][T13365] __might_resched.cold (kernel/sched/core.c:9234) [ 611.111191][T13365] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 611.111194][T13365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.111197][T13365] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 611.111200][T13365] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 611.111203][T13365] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 611.111207][T13365] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 611.111209][T13365] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 611.111212][T13365] put_chars (drivers/char/virtio_console.c:1176) [ 611.111213][T13365] ? __send_to_port (drivers/char/virtio_console.c:654) [ 611.111215][T13365] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 611.111217][T13365] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 611.111219][T13365] ? pointer (lib/vsprintf.c:2577) [ 611.111223][T13365] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 611.111227][T13365] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 611.111229][T13365] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 611.111231][T13365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 611.111234][T13365] console_emit_next_record (kernel/printk/printk.c:3183) [ 611.111236][T13365] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 611.111239][T13365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.111240][T13365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.111241][T13365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.111242][T13365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 611.111244][T13365] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 611.111246][T13365] console_flush_one_record (kernel/printk/printk.c:3268) [ 611.111248][T13365] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 611.111251][T13365] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 611.111253][T13365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 611.111254][T13365] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 611.111256][T13365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.111257][T13365] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 611.111259][T13365] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 611.111260][T13365] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 611.111262][T13365] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 611.111264][T13365] ? vprintk_emit (kernel/printk/printk.c:2478) [ 611.111265][T13365] vprintk_emit (kernel/printk/printk.c:2479) [ 611.111267][T13365] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 611.111268][T13365] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 611.111271][T13365] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 611.111274][T13365] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 611.111276][T13365] _printk (kernel/printk/printk.c:2504) [ 611.111279][T13365] ? snapshot_read.cold (user.c:?) [ 611.111281][T13365] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 611.111283][T13365] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 611.111287][T13365] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 611.111289][T13365] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 611.111292][T13365] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 611.111294][T13365] ? netdev_notice (net/core/dev.c:13194) [ 611.111296][T13365] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 611.111298][T13365] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 611.111301][T13365] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 611.111302][T13365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.111303][T13365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.111305][T13365] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 611.111306][T13365] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 611.111308][T13365] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 611.111309][T13365] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 611.111310][T13365] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 611.111312][T13365] ? register_netdev (net/core/dev.c:11618) [ 611.111313][T13365] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 611.111315][T13365] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 611.111318][T13365] ? __kernel_text_address (kernel/extable.c:79) [ 611.111320][T13365] ? write_profile (profile.c:?) [ 611.111323][T13365] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 611.111327][T13365] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 611.111328][T13365] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 611.111330][T13365] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 611.111331][T13365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.111332][T13365] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 611.111336][T13365] ? kasan_save_stack (mm/kasan/common.c:58) [ 611.111337][T13365] ? kasan_save_stack (mm/kasan/common.c:57) [ 611.111339][T13365] ? kasan_save_track (mm/kasan/common.c:78) [ 611.111340][T13365] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 611.111341][T13365] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 611.111342][T13365] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 611.111343][T13365] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 611.111345][T13365] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 611.111348][T13365] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 611.111349][T13365] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 611.111351][T13365] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 611.111354][T13365] ? ____sys_sendmsg (net/socket.c:2713) [ 611.111355][T13365] ? ___sys_sendmsg (net/socket.c:2767) [ 611.111357][T13365] ? __sys_sendmsg (net/socket.c:2799) [ 611.111358][T13365] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 611.111361][T13365] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 611.111363][T13365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.111365][T13365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 611.111366][T13365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.111367][T13365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.111368][T13365] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 611.111370][T13365] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 611.111371][T13365] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 611.111372][T13365] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 611.111374][T13365] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 611.111375][T13365] ? nla_get_range_signed (lib/nlattr.c:270) [ 611.111379][T13365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.111380][T13365] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 611.111382][T13365] rtnl_newlink (net/core/rtnetlink.c:4215) [ 611.111384][T13365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.111385][T13365] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 611.111387][T13365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 611.111388][T13365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.111390][T13365] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 611.111392][T13365] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 611.111393][T13365] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 611.111395][T13365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.111396][T13365] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 611.111399][T13365] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 611.111401][T13365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.111402][T13365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 611.111404][T13365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.111405][T13365] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 611.111407][T13365] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 611.111408][T13365] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 611.111410][T13365] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 611.111411][T13365] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 611.111414][T13365] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 611.111415][T13365] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 611.111417][T13365] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 611.111418][T13365] ? netlink_ack (./include/linux/skbuff.h:2718) [ 611.111420][T13365] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 611.111423][T13365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.111424][T13365] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 611.111426][T13365] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 611.111428][T13365] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 611.111430][T13365] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 611.111432][T13365] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 611.111434][T13365] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 611.111436][T13365] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 611.111437][T13365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 611.111439][T13365] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 611.111442][T13365] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 611.111444][T13365] ____sys_sendmsg (net/socket.c:2713) [ 611.111446][T13365] ? copy_msghdr_from_user (net/socket.c:2650) [ 611.111447][T13365] ? sock_write_iter (net/socket.c:1269) [ 611.111449][T13365] ? move_addr_to_kernel (net/socket.c:258) [ 611.111450][T13365] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 611.111453][T13365] ___sys_sendmsg (net/socket.c:2767) [ 611.111455][T13365] ? copy_msghdr_from_user (net/socket.c:2619) [ 611.111460][T13365] __sys_sendmsg (net/socket.c:2799) [ 611.111462][T13365] ? __sys_sendmsg_sock (net/socket.c:2780) [ 611.111464][T13365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 611.111466][T13365] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 611.111468][T13365] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 611.111470][T13365] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 611.111471][T13365] RIP: 0033:0x7f95e7fd154e [ 611.111473][T13365] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 611.111475][T13365] RSP: 002b:00007fffdadefc10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 611.111478][T13365] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f95e7fd154e [ 611.111479][T13365] RDX: 0000000000000000 RSI: 00007fffdadefcc0 RDI: 0000000000000005 [ 611.111480][T13365] RBP: 00007fffdadefc20 R08: 0000000000000000 R09: 0000000000000000 [ 611.111481][T13365] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919074 [ 611.111482][T13365] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffdadf0380 | [ 612.209727][T13424] softirqs last disabled at (0): 0x0 | [ 612.209729][T13424] Preemption disabled at: | [ 612.209730][T13424] vprintk_emit (kernel/printk/printk.c:2471) | [ 612.209740][T13424] Tainted: [W]=WARN [ 612.209741][T13424] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 612.209743][T13424] Call Trace: [ 612.209744][T13424] [ 612.209745][T13424] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 612.209751][T13424] ? vprintk_emit (kernel/printk/printk.c:2471) [ 612.209753][T13424] __might_resched.cold (kernel/sched/core.c:9234) [ 612.209757][T13424] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 612.209759][T13424] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 612.209762][T13424] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.209765][T13424] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 612.209768][T13424] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 612.209771][T13424] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 612.209776][T13424] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 612.209778][T13424] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 612.209781][T13424] put_chars (drivers/char/virtio_console.c:1176) [ 612.209782][T13424] ? __send_to_port (drivers/char/virtio_console.c:654) [ 612.209784][T13424] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 612.209787][T13424] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 612.209792][T13424] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 612.209793][T13424] ? vsnprintf (lib/vsprintf.c:2900) [ 612.209797][T13424] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 612.209798][T13424] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.209800][T13424] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.209801][T13424] console_emit_next_record (kernel/printk/printk.c:3183) [ 612.209804][T13424] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 612.209806][T13424] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.209807][T13424] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.209808][T13424] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.209809][T13424] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 612.209812][T13424] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 612.209813][T13424] console_flush_one_record (kernel/printk/printk.c:3268) [ 612.209816][T13424] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 612.209819][T13424] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 612.209821][T13424] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 612.209823][T13424] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 612.209824][T13424] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.209825][T13424] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 612.209827][T13424] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 612.209828][T13424] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 612.209830][T13424] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 612.209832][T13424] ? vprintk_emit (kernel/printk/printk.c:2478) [ 612.209834][T13424] vprintk_emit (kernel/printk/printk.c:2479) [ 612.209835][T13424] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 612.209837][T13424] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 612.209839][T13424] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 612.209842][T13424] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 612.209843][T13424] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.209845][T13424] _printk (kernel/printk/printk.c:2504) [ 612.209848][T13424] ? snapshot_read.cold (user.c:?) [ 612.209850][T13424] ? br_multicast_flood (??:?) [ 612.209853][T13424] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 612.209856][T13424] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 612.209857][T13424] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 612.209859][T13424] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 612.209862][T13424] br_init_port (net/bridge/br_stp_if.c:39) [ 612.209864][T13424] new_nbp (net/bridge/br_if.c:449) [ 612.209866][T13424] br_add_if (net/bridge/br_if.c:592) [ 612.209868][T13424] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 612.209872][T13424] do_set_master (net/core/rtnetlink.c:3071) [ 612.209874][T13424] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 612.209876][T13424] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 612.209877][T13424] ? __dev_get_by_name (net/core/dev.c:905) [ 612.209879][T13424] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 612.209883][T13424] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 612.209885][T13424] rtnl_newlink (net/core/rtnetlink.c:4215) [ 612.209887][T13424] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.209889][T13424] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 612.209890][T13424] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 612.209891][T13424] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.209893][T13424] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 612.209896][T13424] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 612.209897][T13424] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 612.209900][T13424] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.209901][T13424] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 612.209902][T13424] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.209904][T13424] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 612.209905][T13424] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 612.209907][T13424] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 612.209908][T13424] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 612.209910][T13424] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 612.209914][T13424] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 612.209917][T13424] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 612.209918][T13424] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 612.209920][T13424] ? netlink_ack (./include/linux/skbuff.h:2718) [ 612.209922][T13424] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 612.209924][T13424] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.209926][T13424] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 612.209928][T13424] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 612.209930][T13424] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 612.209932][T13424] ? next_uptodate_folio (mm/filemap.c:3747) [ 612.209935][T13424] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 612.209937][T13424] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 612.209939][T13424] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 612.209941][T13424] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 612.209945][T13424] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 612.209947][T13424] ____sys_sendmsg (net/socket.c:2713) [ 612.209949][T13424] ? copy_msghdr_from_user (net/socket.c:2650) [ 612.209951][T13424] ? sock_write_iter (net/socket.c:1269) [ 612.209953][T13424] ? move_addr_to_kernel (net/socket.c:258) [ 612.209955][T13424] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 612.209957][T13424] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 612.209959][T13424] ___sys_sendmsg (net/socket.c:2767) [ 612.209961][T13424] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 612.209963][T13424] ? copy_msghdr_from_user (net/socket.c:2619) [ 612.209965][T13424] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 612.209969][T13424] __sys_sendmsg (net/socket.c:2799) [ 612.209971][T13424] ? __sys_sendmsg_sock (net/socket.c:2780) [ 612.209974][T13424] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.209975][T13424] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.209977][T13424] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 612.209979][T13424] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 612.209981][T13424] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 612.209983][T13424] RIP: 0033:0x7fda0fb6a54e [ 612.209985][T13424] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 612.209987][T13424] RSP: 002b:00007ffc892ba8a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 612.209991][T13424] RAX: ffffffffffffffda RBX: 00007ffc892bb068 RCX: 00007fda0fb6a54e [ 612.209992][T13424] RDX: 0000000000000000 RSI: 00007ffc892ba950 RDI: 0000000000000005 [ 612.209993][T13424] RBP: 00007ffc892ba8b0 R08: 0000000000000000 R09: 0000000000000000 [ 612.209994][T13424] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919075 [ 612.209995][T13424] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc892bb020 | [ 618.224675][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 618.224678][ T69] Preemption disabled at: | [ 618.224679][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 618.224689][ T69] Tainted: [W]=WARN [ 618.224690][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 618.224692][ T69] Workqueue: netns cleanup_net [ 618.224698][ T69] Call Trace: [ 618.224699][ T69] [ 618.224701][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 618.224706][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 618.224708][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 618.224711][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 618.224713][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 618.224717][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 618.224719][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 618.224722][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 618.224725][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 618.224730][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 618.224732][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 618.224735][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 618.224736][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 618.224738][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 618.224741][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 618.224746][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 618.224748][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 618.224750][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 618.224752][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 618.224753][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 618.224755][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 618.224757][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 618.224759][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 618.224760][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 618.224762][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 618.224763][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 618.224765][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 618.224767][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 618.224769][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 618.224772][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 618.224774][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 618.224776][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 618.224777][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 618.224778][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 618.224780][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 618.224782][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 618.224783][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 618.224785][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 618.224786][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 618.224788][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 618.224789][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 618.224791][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 618.224794][ T69] ? kthread (kernel/kthread.c:436) [ 618.224796][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 618.224799][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 618.224801][ T69] _printk (kernel/printk/printk.c:2504) [ 618.224804][ T69] ? snapshot_read.cold (user.c:?) [ 618.224807][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 618.224810][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 618.224812][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 618.224814][ T69] ? netdev_notice (net/core/dev.c:13194) [ 618.224817][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 618.224818][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 618.224819][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 618.224822][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 618.224824][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 618.224825][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 618.224828][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 618.224830][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 618.224834][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 618.224836][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 618.224839][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 618.224841][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 618.224843][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 618.224846][ T69] cleanup_net (net/core/net_namespace.c:706) [ 618.224848][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 618.224850][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 618.224851][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 618.224853][ T69] process_one_work (kernel/workqueue.c:3387) [ 618.224856][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 618.224859][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 618.224861][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 618.224863][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 618.224865][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 618.224867][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 618.224869][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 618.224871][ T69] kthread (kernel/kthread.c:436) [ 618.224873][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 618.224874][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 618.224876][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 618.224878][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 618.224880][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 618.224883][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 618.224885][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 619.490897][T13558] softirqs last disabled at (0): 0x0 | [ 619.490899][T13558] Preemption disabled at: | [ 619.490899][T13558] vprintk_emit (kernel/printk/printk.c:2471) | [ 619.490909][T13558] Tainted: [W]=WARN [ 619.490910][T13558] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 619.490912][T13558] Call Trace: [ 619.490914][T13558] [ 619.490915][T13558] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 619.490921][T13558] ? vprintk_emit (kernel/printk/printk.c:2471) [ 619.490922][T13558] __might_resched.cold (kernel/sched/core.c:9234) [ 619.490926][T13558] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 619.490928][T13558] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 619.490931][T13558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.490934][T13558] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 619.490937][T13558] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 619.490940][T13558] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 619.490945][T13558] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 619.490947][T13558] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 619.490950][T13558] put_chars (drivers/char/virtio_console.c:1176) [ 619.490951][T13558] ? __send_to_port (drivers/char/virtio_console.c:654) [ 619.490953][T13558] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 619.490956][T13558] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 619.490961][T13558] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 619.490962][T13558] ? vsnprintf (lib/vsprintf.c:2900) [ 619.490966][T13558] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 619.490967][T13558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.490968][T13558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.490970][T13558] console_emit_next_record (kernel/printk/printk.c:3183) [ 619.490973][T13558] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 619.490975][T13558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.490976][T13558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.490977][T13558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.490978][T13558] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 619.490981][T13558] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 619.490982][T13558] console_flush_one_record (kernel/printk/printk.c:3268) [ 619.490985][T13558] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 619.490988][T13558] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 619.490990][T13558] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 619.490991][T13558] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 619.490993][T13558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.490994][T13558] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 619.490996][T13558] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 619.490997][T13558] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 619.490999][T13558] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 619.491001][T13558] ? vprintk_emit (kernel/printk/printk.c:2478) [ 619.491002][T13558] vprintk_emit (kernel/printk/printk.c:2479) [ 619.491004][T13558] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 619.491005][T13558] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 619.491007][T13558] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 619.491010][T13558] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 619.491011][T13558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.491013][T13558] _printk (kernel/printk/printk.c:2504) [ 619.491016][T13558] ? snapshot_read.cold (user.c:?) [ 619.491018][T13558] ? br_multicast_flood (??:?) [ 619.491021][T13558] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 619.491024][T13558] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 619.491025][T13558] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 619.491027][T13558] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 619.491030][T13558] br_init_port (net/bridge/br_stp_if.c:39) [ 619.491032][T13558] new_nbp (net/bridge/br_if.c:449) [ 619.491034][T13558] br_add_if (net/bridge/br_if.c:592) [ 619.491036][T13558] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 619.491040][T13558] do_set_master (net/core/rtnetlink.c:3071) [ 619.491042][T13558] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 619.491044][T13558] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 619.491045][T13558] ? __dev_get_by_name (net/core/dev.c:905) [ 619.491047][T13558] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 619.491051][T13558] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 619.491053][T13558] rtnl_newlink (net/core/rtnetlink.c:4215) [ 619.491055][T13558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.491057][T13558] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 619.491058][T13558] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 619.491060][T13558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.491061][T13558] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 619.491064][T13558] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 619.491066][T13558] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 619.491068][T13558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.491069][T13558] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 619.491071][T13558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.491072][T13558] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 619.491074][T13558] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 619.491075][T13558] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 619.491077][T13558] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 619.491078][T13558] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 619.491082][T13558] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 619.491085][T13558] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 619.491087][T13558] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 619.491088][T13558] ? netlink_ack (./include/linux/skbuff.h:2718) [ 619.491090][T13558] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 619.491093][T13558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.491094][T13558] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 619.491096][T13558] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 619.491098][T13558] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 619.491100][T13558] ? next_uptodate_folio (mm/filemap.c:3747) [ 619.491103][T13558] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 619.491106][T13558] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 619.491108][T13558] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 619.491109][T13558] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 619.491113][T13558] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 619.491116][T13558] ____sys_sendmsg (net/socket.c:2713) [ 619.491117][T13558] ? copy_msghdr_from_user (net/socket.c:2650) [ 619.491119][T13558] ? sock_write_iter (net/socket.c:1269) [ 619.491121][T13558] ? move_addr_to_kernel (net/socket.c:258) [ 619.491123][T13558] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 619.491126][T13558] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 619.491127][T13558] ___sys_sendmsg (net/socket.c:2767) [ 619.491129][T13558] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 619.491131][T13558] ? copy_msghdr_from_user (net/socket.c:2619) [ 619.491133][T13558] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 619.491137][T13558] __sys_sendmsg (net/socket.c:2799) [ 619.491140][T13558] ? __sys_sendmsg_sock (net/socket.c:2780) [ 619.491142][T13558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.491143][T13558] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 619.491145][T13558] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 619.491148][T13558] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 619.491150][T13558] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 619.491152][T13558] RIP: 0033:0x7fc0deaba54e [ 619.491154][T13558] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 619.491156][T13558] RSP: 002b:00007ffdac9d5d50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 619.491163][T13558] RAX: ffffffffffffffda RBX: 00007ffdac9d6518 RCX: 00007fc0deaba54e [ 619.491165][T13558] RDX: 0000000000000000 RSI: 00007ffdac9d5e00 RDI: 0000000000000005 [ 619.491165][T13558] RBP: 00007ffdac9d5d60 R08: 0000000000000000 R09: 0000000000000000 [ 619.491166][T13558] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91907c [ 619.491167][T13558] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdac9d64d0 | [ 620.833858][T13628] softirqs last disabled at (0): 0x0 | [ 620.833860][T13628] Preemption disabled at: | [ 620.833861][T13628] vprintk_emit (kernel/printk/printk.c:2471) | [ 620.833871][T13628] Tainted: [W]=WARN [ 620.833872][T13628] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 620.833874][T13628] Call Trace: [ 620.833876][T13628] [ 620.833877][T13628] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 620.833883][T13628] ? vprintk_emit (kernel/printk/printk.c:2471) [ 620.833885][T13628] __might_resched.cold (kernel/sched/core.c:9234) [ 620.833889][T13628] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 620.833892][T13628] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.833895][T13628] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 620.833898][T13628] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 620.833901][T13628] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 620.833906][T13628] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 620.833908][T13628] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 620.833911][T13628] put_chars (drivers/char/virtio_console.c:1176) [ 620.833912][T13628] ? __send_to_port (drivers/char/virtio_console.c:654) [ 620.833914][T13628] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 620.833916][T13628] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 620.833918][T13628] ? pointer (lib/vsprintf.c:2577) [ 620.833922][T13628] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 620.833926][T13628] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 620.833928][T13628] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 620.833930][T13628] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 620.833933][T13628] console_emit_next_record (kernel/printk/printk.c:3183) [ 620.833935][T13628] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 620.833938][T13628] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.833939][T13628] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.833940][T13628] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.833941][T13628] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 620.833943][T13628] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 620.833945][T13628] console_flush_one_record (kernel/printk/printk.c:3268) [ 620.833947][T13628] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 620.833950][T13628] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 620.833952][T13628] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 620.833954][T13628] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 620.833955][T13628] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.833957][T13628] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 620.833958][T13628] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 620.833960][T13628] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 620.833961][T13628] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 620.833963][T13628] ? vprintk_emit (kernel/printk/printk.c:2478) [ 620.833965][T13628] vprintk_emit (kernel/printk/printk.c:2479) [ 620.833967][T13628] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 620.833968][T13628] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 620.833971][T13628] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 620.833974][T13628] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 620.833976][T13628] _printk (kernel/printk/printk.c:2504) [ 620.833979][T13628] ? snapshot_read.cold (user.c:?) [ 620.833981][T13628] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 620.833984][T13628] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 620.833987][T13628] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 620.833989][T13628] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 620.833992][T13628] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 620.833995][T13628] ? netdev_notice (net/core/dev.c:13194) [ 620.833997][T13628] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 620.833998][T13628] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 620.834001][T13628] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 620.834003][T13628] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.834004][T13628] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.834005][T13628] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 620.834006][T13628] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 620.834008][T13628] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 620.834009][T13628] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 620.834011][T13628] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 620.834012][T13628] ? register_netdev (net/core/dev.c:11618) [ 620.834014][T13628] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 620.834016][T13628] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 620.834018][T13628] ? __kernel_text_address (kernel/extable.c:79) [ 620.834021][T13628] ? write_profile (profile.c:?) [ 620.834024][T13628] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 620.834028][T13628] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 620.834029][T13628] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 620.834031][T13628] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 620.834032][T13628] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.834033][T13628] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 620.834037][T13628] ? kasan_save_stack (mm/kasan/common.c:58) [ 620.834039][T13628] ? kasan_save_stack (mm/kasan/common.c:57) [ 620.834040][T13628] ? kasan_save_track (mm/kasan/common.c:78) [ 620.834041][T13628] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 620.834042][T13628] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 620.834043][T13628] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 620.834044][T13628] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 620.834046][T13628] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 620.834049][T13628] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 620.834050][T13628] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 620.834052][T13628] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 620.834055][T13628] ? ____sys_sendmsg (net/socket.c:2713) [ 620.834056][T13628] ? ___sys_sendmsg (net/socket.c:2767) [ 620.834057][T13628] ? __sys_sendmsg (net/socket.c:2799) [ 620.834059][T13628] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 620.834062][T13628] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 620.834064][T13628] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.834065][T13628] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 620.834067][T13628] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.834068][T13628] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.834069][T13628] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 620.834070][T13628] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 620.834072][T13628] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 620.834073][T13628] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 620.834075][T13628] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 620.834076][T13628] ? nla_get_range_signed (lib/nlattr.c:270) [ 620.834079][T13628] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.834080][T13628] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 620.834083][T13628] rtnl_newlink (net/core/rtnetlink.c:4215) [ 620.834085][T13628] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.834086][T13628] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 620.834087][T13628] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 620.834089][T13628] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.834090][T13628] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 620.834093][T13628] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 620.834094][T13628] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 620.834096][T13628] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.834097][T13628] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 620.834100][T13628] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 620.834103][T13628] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.834104][T13628] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 620.834105][T13628] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.834107][T13628] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 620.834108][T13628] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 620.834110][T13628] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 620.834111][T13628] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 620.834113][T13628] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 620.834115][T13628] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 620.834117][T13628] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 620.834118][T13628] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 620.834120][T13628] ? netlink_ack (./include/linux/skbuff.h:2718) [ 620.834121][T13628] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 620.834124][T13628] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.834125][T13628] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 620.834127][T13628] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 620.834130][T13628] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 620.834131][T13628] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 620.834133][T13628] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 620.834136][T13628] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 620.834137][T13628] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 620.834139][T13628] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 620.834141][T13628] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 620.834144][T13628] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 620.834146][T13628] ____sys_sendmsg (net/socket.c:2713) [ 620.834147][T13628] ? copy_msghdr_from_user (net/socket.c:2650) [ 620.834149][T13628] ? sock_write_iter (net/socket.c:1269) [ 620.834151][T13628] ? move_addr_to_kernel (net/socket.c:258) [ 620.834152][T13628] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 620.834155][T13628] ___sys_sendmsg (net/socket.c:2767) [ 620.834157][T13628] ? copy_msghdr_from_user (net/socket.c:2619) [ 620.834165][T13628] __sys_sendmsg (net/socket.c:2799) [ 620.834167][T13628] ? __sys_sendmsg_sock (net/socket.c:2780) [ 620.834170][T13628] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 620.834171][T13628] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 620.834173][T13628] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 620.834175][T13628] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 620.834177][T13628] RIP: 0033:0x7f01fc77654e [ 620.834182][T13628] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 620.834183][T13628] RSP: 002b:00007ffc75b6af90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 620.834187][T13628] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f01fc77654e [ 620.834189][T13628] RDX: 0000000000000000 RSI: 00007ffc75b6b040 RDI: 0000000000000005 [ 620.834190][T13628] RBP: 00007ffc75b6afa0 R08: 0000000000000000 R09: 0000000000000000 [ 620.834191][T13628] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91907e [ 620.834192][T13628] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc75b6b700 | [ 621.916586][T13678] softirqs last disabled at (0): 0x0 | [ 621.916588][T13678] Preemption disabled at: | [ 621.916589][T13678] vprintk_emit (kernel/printk/printk.c:2471) | [ 621.916599][T13678] Tainted: [W]=WARN [ 621.916600][T13678] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 621.916602][T13678] Call Trace: [ 621.916603][T13678] [ 621.916605][T13678] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 621.916610][T13678] ? vprintk_emit (kernel/printk/printk.c:2471) [ 621.916612][T13678] __might_resched.cold (kernel/sched/core.c:9234) [ 621.916615][T13678] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 621.916617][T13678] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 621.916621][T13678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.916623][T13678] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 621.916626][T13678] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 621.916629][T13678] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 621.916634][T13678] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 621.916636][T13678] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 621.916638][T13678] put_chars (drivers/char/virtio_console.c:1176) [ 621.916640][T13678] ? __send_to_port (drivers/char/virtio_console.c:654) [ 621.916642][T13678] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 621.916645][T13678] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 621.916649][T13678] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 621.916651][T13678] ? vsnprintf (lib/vsprintf.c:2900) [ 621.916654][T13678] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 621.916656][T13678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.916657][T13678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.916659][T13678] console_emit_next_record (kernel/printk/printk.c:3183) [ 621.916661][T13678] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 621.916663][T13678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.916665][T13678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.916665][T13678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.916667][T13678] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.916669][T13678] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 621.916671][T13678] console_flush_one_record (kernel/printk/printk.c:3268) [ 621.916673][T13678] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 621.916676][T13678] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 621.916678][T13678] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.916679][T13678] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 621.916681][T13678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.916682][T13678] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 621.916684][T13678] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 621.916685][T13678] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 621.916687][T13678] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 621.916689][T13678] ? vprintk_emit (kernel/printk/printk.c:2478) [ 621.916690][T13678] vprintk_emit (kernel/printk/printk.c:2479) [ 621.916692][T13678] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 621.916693][T13678] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 621.916695][T13678] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 621.916698][T13678] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.916700][T13678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.916701][T13678] _printk (kernel/printk/printk.c:2504) [ 621.916704][T13678] ? snapshot_read.cold (user.c:?) [ 621.916706][T13678] ? br_multicast_flood (??:?) [ 621.916710][T13678] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 621.916713][T13678] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 621.916714][T13678] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 621.916716][T13678] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 621.916718][T13678] br_init_port (net/bridge/br_stp_if.c:39) [ 621.916720][T13678] new_nbp (net/bridge/br_if.c:449) [ 621.916722][T13678] br_add_if (net/bridge/br_if.c:592) [ 621.916724][T13678] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 621.916729][T13678] do_set_master (net/core/rtnetlink.c:3071) [ 621.916731][T13678] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 621.916733][T13678] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 621.916734][T13678] ? __dev_get_by_name (net/core/dev.c:905) [ 621.916736][T13678] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 621.916739][T13678] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 621.916742][T13678] rtnl_newlink (net/core/rtnetlink.c:4215) [ 621.916744][T13678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.916745][T13678] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 621.916746][T13678] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.916748][T13678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.916749][T13678] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 621.916752][T13678] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 621.916754][T13678] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 621.916756][T13678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.916757][T13678] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.916758][T13678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.916760][T13678] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 621.916761][T13678] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 621.916763][T13678] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 621.916764][T13678] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 621.916766][T13678] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 621.916769][T13678] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 621.916772][T13678] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 621.916774][T13678] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 621.916775][T13678] ? netlink_ack (./include/linux/skbuff.h:2718) [ 621.916777][T13678] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 621.916780][T13678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.916781][T13678] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 621.916783][T13678] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 621.916785][T13678] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 621.916787][T13678] ? next_uptodate_folio (mm/filemap.c:3747) [ 621.916790][T13678] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 621.916792][T13678] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 621.916794][T13678] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.916796][T13678] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 621.916799][T13678] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 621.916802][T13678] ____sys_sendmsg (net/socket.c:2713) [ 621.916804][T13678] ? copy_msghdr_from_user (net/socket.c:2650) [ 621.916805][T13678] ? sock_write_iter (net/socket.c:1269) [ 621.916807][T13678] ? move_addr_to_kernel (net/socket.c:258) [ 621.916809][T13678] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 621.916811][T13678] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.916813][T13678] ___sys_sendmsg (net/socket.c:2767) [ 621.916815][T13678] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 621.916816][T13678] ? copy_msghdr_from_user (net/socket.c:2619) [ 621.916818][T13678] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 621.916823][T13678] __sys_sendmsg (net/socket.c:2799) [ 621.916825][T13678] ? __sys_sendmsg_sock (net/socket.c:2780) [ 621.916828][T13678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.916829][T13678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.916830][T13678] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 621.916833][T13678] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 621.916835][T13678] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 621.916837][T13678] RIP: 0033:0x7fafaf25654e [ 621.916839][T13678] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 621.916841][T13678] RSP: 002b:00007ffe165074b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 621.916844][T13678] RAX: ffffffffffffffda RBX: 00007ffe16507c78 RCX: 00007fafaf25654e [ 621.916846][T13678] RDX: 0000000000000000 RSI: 00007ffe16507560 RDI: 0000000000000005 [ 621.916847][T13678] RBP: 00007ffe165074c0 R08: 0000000000000000 R09: 0000000000000000 [ 621.916848][T13678] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91907f [ 621.916849][T13678] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe16507c30 | [ 628.008110][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 628.008112][ T69] Preemption disabled at: | [ 628.008113][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 628.008122][ T69] Tainted: [W]=WARN [ 628.008123][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 628.008125][ T69] Workqueue: netns cleanup_net [ 628.008132][ T69] Call Trace: [ 628.008133][ T69] [ 628.008134][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 628.008140][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 628.008142][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 628.008145][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 628.008147][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 628.008151][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.008153][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 628.008156][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 628.008160][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 628.008164][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 628.008166][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 628.008169][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 628.008170][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 628.008172][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 628.008175][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 628.008182][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 628.008184][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 628.008187][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 628.008191][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.008192][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.008194][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 628.008197][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 628.008199][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.008200][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.008201][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.008202][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 628.008205][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 628.008207][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 628.008209][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 628.008212][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 628.008214][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 628.008216][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 628.008217][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.008219][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 628.008220][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 628.008222][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 628.008224][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 628.008226][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 628.008227][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 628.008229][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 628.008230][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 628.008232][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 628.008234][ T69] ? kthread (kernel/kthread.c:436) [ 628.008236][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 628.008239][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 628.008242][ T69] _printk (kernel/printk/printk.c:2504) [ 628.008245][ T69] ? snapshot_read.cold (user.c:?) [ 628.008247][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 628.008250][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 628.008252][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 628.008255][ T69] ? netdev_notice (net/core/dev.c:13194) [ 628.008257][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.008258][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 628.008260][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 628.008263][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 628.008264][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 628.008266][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 628.008268][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 628.008271][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 628.008275][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 628.008277][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 628.008280][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 628.008282][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 628.008284][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 628.008287][ T69] cleanup_net (net/core/net_namespace.c:706) [ 628.008288][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 628.008291][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 628.008292][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.008294][ T69] process_one_work (kernel/workqueue.c:3387) [ 628.008297][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 628.008299][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 628.008302][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 628.008304][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 628.008306][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 628.008308][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 628.008310][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 628.008312][ T69] kthread (kernel/kthread.c:436) [ 628.008313][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 628.008315][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 628.008317][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 628.008319][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 628.008321][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 628.008324][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 628.008326][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 629.191427][T13813] softirqs last disabled at (0): 0x0 | [ 629.191429][T13813] Preemption disabled at: | [ 629.191430][T13813] vprintk_emit (kernel/printk/printk.c:2471) | [ 629.191440][T13813] Tainted: [W]=WARN [ 629.191441][T13813] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 629.191443][T13813] Call Trace: [ 629.191445][T13813] [ 629.191446][T13813] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 629.191451][T13813] ? vprintk_emit (kernel/printk/printk.c:2471) [ 629.191453][T13813] __might_resched.cold (kernel/sched/core.c:9234) [ 629.191456][T13813] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 629.191459][T13813] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 629.191462][T13813] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 629.191464][T13813] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 629.191467][T13813] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 629.191470][T13813] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 629.191475][T13813] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 629.191477][T13813] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 629.191480][T13813] put_chars (drivers/char/virtio_console.c:1176) [ 629.191482][T13813] ? __send_to_port (drivers/char/virtio_console.c:654) [ 629.191483][T13813] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 629.191486][T13813] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 629.191491][T13813] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 629.191492][T13813] ? vsnprintf (lib/vsprintf.c:2900) [ 629.191495][T13813] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 629.191497][T13813] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 629.191498][T13813] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 629.191500][T13813] console_emit_next_record (kernel/printk/printk.c:3183) [ 629.191503][T13813] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 629.191505][T13813] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 629.191506][T13813] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 629.191507][T13813] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 629.191508][T13813] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 629.191510][T13813] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 629.191512][T13813] console_flush_one_record (kernel/printk/printk.c:3268) [ 629.191514][T13813] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 629.191517][T13813] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 629.191519][T13813] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 629.191521][T13813] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 629.191522][T13813] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 629.191523][T13813] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 629.191525][T13813] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 629.191527][T13813] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 629.191528][T13813] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 629.191530][T13813] ? vprintk_emit (kernel/printk/printk.c:2478) [ 629.191531][T13813] vprintk_emit (kernel/printk/printk.c:2479) [ 629.191533][T13813] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 629.191534][T13813] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 629.191536][T13813] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 629.191539][T13813] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 629.191541][T13813] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 629.191542][T13813] _printk (kernel/printk/printk.c:2504) [ 629.191545][T13813] ? snapshot_read.cold (user.c:?) [ 629.191547][T13813] ? br_multicast_flood (??:?) [ 629.191551][T13813] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 629.191554][T13813] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 629.191555][T13813] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 629.191557][T13813] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 629.191559][T13813] br_init_port (net/bridge/br_stp_if.c:39) [ 629.191561][T13813] new_nbp (net/bridge/br_if.c:449) [ 629.191564][T13813] br_add_if (net/bridge/br_if.c:592) [ 629.191565][T13813] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 629.191570][T13813] do_set_master (net/core/rtnetlink.c:3071) [ 629.191572][T13813] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 629.191573][T13813] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 629.191575][T13813] ? __dev_get_by_name (net/core/dev.c:905) [ 629.191576][T13813] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 629.191580][T13813] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 629.191583][T13813] rtnl_newlink (net/core/rtnetlink.c:4215) [ 629.191585][T13813] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 629.191586][T13813] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 629.191587][T13813] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 629.191589][T13813] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 629.191590][T13813] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 629.191593][T13813] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 629.191594][T13813] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 629.191597][T13813] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 629.191598][T13813] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 629.191599][T13813] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 629.191601][T13813] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 629.191602][T13813] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 629.191604][T13813] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 629.191605][T13813] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 629.191607][T13813] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 629.191610][T13813] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 629.191614][T13813] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 629.191615][T13813] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 629.191617][T13813] ? netlink_ack (./include/linux/skbuff.h:2718) [ 629.191618][T13813] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 629.191621][T13813] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 629.191622][T13813] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 629.191625][T13813] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 629.191627][T13813] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 629.191629][T13813] ? next_uptodate_folio (mm/filemap.c:3747) [ 629.191632][T13813] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 629.191634][T13813] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 629.191636][T13813] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 629.191638][T13813] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 629.191641][T13813] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 629.191644][T13813] ____sys_sendmsg (net/socket.c:2713) [ 629.191646][T13813] ? copy_msghdr_from_user (net/socket.c:2650) [ 629.191647][T13813] ? sock_write_iter (net/socket.c:1269) [ 629.191649][T13813] ? move_addr_to_kernel (net/socket.c:258) [ 629.191651][T13813] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 629.191653][T13813] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 629.191655][T13813] ___sys_sendmsg (net/socket.c:2767) [ 629.191657][T13813] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 629.191659][T13813] ? copy_msghdr_from_user (net/socket.c:2619) [ 629.191661][T13813] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 629.191665][T13813] __sys_sendmsg (net/socket.c:2799) [ 629.191667][T13813] ? __sys_sendmsg_sock (net/socket.c:2780) [ 629.191670][T13813] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 629.191671][T13813] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 629.191672][T13813] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 629.191675][T13813] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 629.191677][T13813] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 629.191679][T13813] RIP: 0033:0x7fa1b276254e [ 629.191681][T13813] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 629.191683][T13813] RSP: 002b:00007fff080fbab0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 629.191686][T13813] RAX: ffffffffffffffda RBX: 00007fff080fc278 RCX: 00007fa1b276254e [ 629.191688][T13813] RDX: 0000000000000000 RSI: 00007fff080fbb60 RDI: 0000000000000005 [ 629.191689][T13813] RBP: 00007fff080fbac0 R08: 0000000000000000 R09: 0000000000000000 [ 629.191689][T13813] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919086 [ 629.191691][T13813] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff080fc230 | [ 630.531535][T13882] softirqs last disabled at (0): 0x0 | [ 630.531537][T13882] Preemption disabled at: | [ 630.531538][T13882] vprintk_emit (kernel/printk/printk.c:2471) | [ 630.531548][T13882] Tainted: [W]=WARN [ 630.531549][T13882] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 630.531551][T13882] Call Trace: [ 630.531552][T13882] [ 630.531554][T13882] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 630.531559][T13882] ? vprintk_emit (kernel/printk/printk.c:2471) [ 630.531561][T13882] __might_resched.cold (kernel/sched/core.c:9234) [ 630.531565][T13882] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 630.531569][T13882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.531571][T13882] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 630.531574][T13882] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 630.531577][T13882] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 630.531582][T13882] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 630.531584][T13882] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 630.531587][T13882] put_chars (drivers/char/virtio_console.c:1176) [ 630.531588][T13882] ? __send_to_port (drivers/char/virtio_console.c:654) [ 630.531589][T13882] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 630.531592][T13882] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 630.531594][T13882] ? pointer (lib/vsprintf.c:2577) [ 630.531597][T13882] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 630.531602][T13882] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 630.531604][T13882] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 630.531606][T13882] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 630.531608][T13882] console_emit_next_record (kernel/printk/printk.c:3183) [ 630.531611][T13882] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 630.531613][T13882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.531614][T13882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.531615][T13882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.531616][T13882] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 630.531618][T13882] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 630.531620][T13882] console_flush_one_record (kernel/printk/printk.c:3268) [ 630.531623][T13882] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 630.531625][T13882] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 630.531627][T13882] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 630.531629][T13882] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 630.531631][T13882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.531632][T13882] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 630.531634][T13882] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 630.531635][T13882] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 630.531637][T13882] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 630.531639][T13882] ? vprintk_emit (kernel/printk/printk.c:2478) [ 630.531640][T13882] vprintk_emit (kernel/printk/printk.c:2479) [ 630.531642][T13882] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 630.531643][T13882] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 630.531646][T13882] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 630.531649][T13882] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 630.531652][T13882] _printk (kernel/printk/printk.c:2504) [ 630.531655][T13882] ? snapshot_read.cold (user.c:?) [ 630.531657][T13882] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 630.531659][T13882] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 630.531663][T13882] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 630.531665][T13882] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 630.531668][T13882] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 630.531670][T13882] ? netdev_notice (net/core/dev.c:13194) [ 630.531673][T13882] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 630.531674][T13882] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 630.531677][T13882] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 630.531679][T13882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.531680][T13882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.531681][T13882] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 630.531683][T13882] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 630.531684][T13882] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 630.531686][T13882] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 630.531687][T13882] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 630.531689][T13882] ? register_netdev (net/core/dev.c:11618) [ 630.531690][T13882] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 630.531692][T13882] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 630.531695][T13882] ? __kernel_text_address (kernel/extable.c:79) [ 630.531697][T13882] ? write_profile (profile.c:?) [ 630.531700][T13882] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 630.531704][T13882] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 630.531706][T13882] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 630.531708][T13882] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 630.531709][T13882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.531710][T13882] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 630.531714][T13882] ? kasan_save_stack (mm/kasan/common.c:58) [ 630.531716][T13882] ? kasan_save_stack (mm/kasan/common.c:57) [ 630.531717][T13882] ? kasan_save_track (mm/kasan/common.c:78) [ 630.531718][T13882] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 630.531719][T13882] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 630.531720][T13882] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 630.531721][T13882] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 630.531723][T13882] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 630.531726][T13882] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 630.531727][T13882] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 630.531729][T13882] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 630.531731][T13882] ? ____sys_sendmsg (net/socket.c:2713) [ 630.531733][T13882] ? ___sys_sendmsg (net/socket.c:2767) [ 630.531734][T13882] ? __sys_sendmsg (net/socket.c:2799) [ 630.531736][T13882] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 630.531738][T13882] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 630.531741][T13882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.531742][T13882] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 630.531743][T13882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.531744][T13882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.531746][T13882] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 630.531747][T13882] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 630.531749][T13882] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 630.531750][T13882] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 630.531751][T13882] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 630.531752][T13882] ? nla_get_range_signed (lib/nlattr.c:270) [ 630.531756][T13882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.531757][T13882] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 630.531759][T13882] rtnl_newlink (net/core/rtnetlink.c:4215) [ 630.531761][T13882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.531762][T13882] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 630.531764][T13882] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 630.531765][T13882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.531767][T13882] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 630.531769][T13882] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 630.531770][T13882] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 630.531772][T13882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.531773][T13882] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 630.531776][T13882] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 630.531779][T13882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.531780][T13882] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 630.531781][T13882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.531782][T13882] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 630.531784][T13882] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 630.531785][T13882] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 630.531787][T13882] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 630.531788][T13882] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 630.531791][T13882] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 630.531793][T13882] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 630.531794][T13882] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 630.531796][T13882] ? netlink_ack (./include/linux/skbuff.h:2718) [ 630.531797][T13882] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 630.531801][T13882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.531802][T13882] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 630.531804][T13882] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 630.531806][T13882] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 630.531808][T13882] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 630.531810][T13882] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 630.531812][T13882] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 630.531814][T13882] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 630.531816][T13882] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 630.531817][T13882] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 630.531820][T13882] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 630.531822][T13882] ____sys_sendmsg (net/socket.c:2713) [ 630.531824][T13882] ? copy_msghdr_from_user (net/socket.c:2650) [ 630.531826][T13882] ? sock_write_iter (net/socket.c:1269) [ 630.531827][T13882] ? move_addr_to_kernel (net/socket.c:258) [ 630.531829][T13882] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 630.531831][T13882] ___sys_sendmsg (net/socket.c:2767) [ 630.531833][T13882] ? copy_msghdr_from_user (net/socket.c:2619) [ 630.531838][T13882] __sys_sendmsg (net/socket.c:2799) [ 630.531840][T13882] ? __sys_sendmsg_sock (net/socket.c:2780) [ 630.531843][T13882] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 630.531845][T13882] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 630.531846][T13882] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 630.531848][T13882] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 630.531850][T13882] RIP: 0033:0x7f58d4ee054e [ 630.531852][T13882] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 630.531853][T13882] RSP: 002b:00007ffcbbc1bd70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 630.531857][T13882] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f58d4ee054e [ 630.531859][T13882] RDX: 0000000000000000 RSI: 00007ffcbbc1be20 RDI: 0000000000000005 [ 630.531860][T13882] RBP: 00007ffcbbc1bd80 R08: 0000000000000000 R09: 0000000000000000 [ 630.531861][T13882] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919087 [ 630.531861][T13882] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbbc1c4e0 | [ 631.612748][T13932] softirqs last disabled at (0): 0x0 | [ 631.612750][T13932] Preemption disabled at: | [ 631.612750][T13932] vprintk_emit (kernel/printk/printk.c:2471) | [ 631.612760][T13932] Tainted: [W]=WARN [ 631.612762][T13932] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 631.612764][T13932] Call Trace: [ 631.612765][T13932] [ 631.612766][T13932] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 631.612772][T13932] ? vprintk_emit (kernel/printk/printk.c:2471) [ 631.612773][T13932] __might_resched.cold (kernel/sched/core.c:9234) [ 631.612777][T13932] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 631.612780][T13932] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 631.612783][T13932] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.612786][T13932] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 631.612788][T13932] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 631.612792][T13932] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 631.612797][T13932] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 631.612799][T13932] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 631.612801][T13932] put_chars (drivers/char/virtio_console.c:1176) [ 631.612803][T13932] ? __send_to_port (drivers/char/virtio_console.c:654) [ 631.612805][T13932] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 631.612807][T13932] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 631.612812][T13932] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 631.612814][T13932] ? vsnprintf (lib/vsprintf.c:2900) [ 631.612817][T13932] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 631.612819][T13932] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.612820][T13932] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.612822][T13932] console_emit_next_record (kernel/printk/printk.c:3183) [ 631.612824][T13932] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 631.612827][T13932] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.612828][T13932] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.612829][T13932] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.612830][T13932] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.612832][T13932] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 631.612834][T13932] console_flush_one_record (kernel/printk/printk.c:3268) [ 631.612837][T13932] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 631.612839][T13932] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 631.612841][T13932] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.612843][T13932] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 631.612845][T13932] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.612846][T13932] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 631.612847][T13932] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 631.612849][T13932] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 631.612850][T13932] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 631.612853][T13932] ? vprintk_emit (kernel/printk/printk.c:2478) [ 631.612854][T13932] vprintk_emit (kernel/printk/printk.c:2479) [ 631.612856][T13932] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 631.612857][T13932] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 631.612859][T13932] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 631.612862][T13932] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.612864][T13932] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.612865][T13932] _printk (kernel/printk/printk.c:2504) [ 631.612869][T13932] ? snapshot_read.cold (user.c:?) [ 631.612871][T13932] ? br_multicast_flood (??:?) [ 631.612875][T13932] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 631.612878][T13932] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 631.612879][T13932] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 631.612881][T13932] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 631.612883][T13932] br_init_port (net/bridge/br_stp_if.c:39) [ 631.612885][T13932] new_nbp (net/bridge/br_if.c:449) [ 631.612887][T13932] br_add_if (net/bridge/br_if.c:592) [ 631.612889][T13932] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 631.612894][T13932] do_set_master (net/core/rtnetlink.c:3071) [ 631.612896][T13932] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 631.612898][T13932] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 631.612899][T13932] ? __dev_get_by_name (net/core/dev.c:905) [ 631.612901][T13932] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 631.612904][T13932] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 631.612907][T13932] rtnl_newlink (net/core/rtnetlink.c:4215) [ 631.612909][T13932] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.612910][T13932] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 631.612911][T13932] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.612913][T13932] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.612914][T13932] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 631.612917][T13932] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 631.612919][T13932] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 631.612921][T13932] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.612922][T13932] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.612924][T13932] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.612925][T13932] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 631.612927][T13932] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 631.612929][T13932] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 631.612930][T13932] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 631.612931][T13932] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 631.612935][T13932] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 631.612939][T13932] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 631.612940][T13932] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 631.612942][T13932] ? netlink_ack (./include/linux/skbuff.h:2718) [ 631.612943][T13932] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 631.612946][T13932] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.612948][T13932] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 631.612950][T13932] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 631.612952][T13932] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 631.612954][T13932] ? next_uptodate_folio (mm/filemap.c:3747) [ 631.612957][T13932] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 631.612959][T13932] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 631.612961][T13932] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.612963][T13932] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 631.612967][T13932] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 631.612970][T13932] ____sys_sendmsg (net/socket.c:2713) [ 631.612971][T13932] ? copy_msghdr_from_user (net/socket.c:2650) [ 631.612973][T13932] ? sock_write_iter (net/socket.c:1269) [ 631.612975][T13932] ? move_addr_to_kernel (net/socket.c:258) [ 631.612977][T13932] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 631.612979][T13932] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 631.612981][T13932] ___sys_sendmsg (net/socket.c:2767) [ 631.612983][T13932] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 631.612985][T13932] ? copy_msghdr_from_user (net/socket.c:2619) [ 631.612987][T13932] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 631.612991][T13932] __sys_sendmsg (net/socket.c:2799) [ 631.612993][T13932] ? __sys_sendmsg_sock (net/socket.c:2780) [ 631.612996][T13932] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.612997][T13932] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 631.612999][T13932] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 631.613001][T13932] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 631.613003][T13932] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 631.613006][T13932] RIP: 0033:0x7fdd2fedc54e [ 631.613008][T13932] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 631.613009][T13932] RSP: 002b:00007ffe9b922740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 631.613013][T13932] RAX: ffffffffffffffda RBX: 00007ffe9b922f08 RCX: 00007fdd2fedc54e [ 631.613015][T13932] RDX: 0000000000000000 RSI: 00007ffe9b9227f0 RDI: 0000000000000005 [ 631.613016][T13932] RBP: 00007ffe9b922750 R08: 0000000000000000 R09: 0000000000000000 [ 631.613017][T13932] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919088 [ 631.613017][T13932] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9b922ec0 | [ 637.643683][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 637.643686][ T69] Preemption disabled at: | [ 637.643686][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 637.643697][ T69] Tainted: [W]=WARN [ 637.643698][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 637.643699][ T69] Workqueue: netns cleanup_net [ 637.643705][ T69] Call Trace: [ 637.643707][ T69] [ 637.643708][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 637.643713][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 637.643715][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 637.643718][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 637.643721][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 637.643724][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.643726][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 637.643729][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 637.643732][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 637.643737][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 637.643739][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 637.643742][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 637.643743][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 637.643745][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 637.643748][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 637.643753][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 637.643754][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 637.643757][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 637.643759][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.643760][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.643761][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 637.643764][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 637.643766][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.643767][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.643768][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.643769][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 637.643772][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 637.643774][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 637.643776][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 637.643779][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 637.643781][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 637.643782][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 637.643784][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.643785][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 637.643787][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 637.643789][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 637.643790][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 637.643792][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 637.643794][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 637.643795][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 637.643797][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 637.643798][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 637.643801][ T69] ? kthread (kernel/kthread.c:436) [ 637.643803][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 637.643806][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 637.643809][ T69] _printk (kernel/printk/printk.c:2504) [ 637.643812][ T69] ? snapshot_read.cold (user.c:?) [ 637.643814][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 637.643817][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 637.643820][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 637.643822][ T69] ? netdev_notice (net/core/dev.c:13194) [ 637.643824][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.643825][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 637.643827][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 637.643830][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 637.643831][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 637.643833][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 637.643835][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 637.643838][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 637.643841][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 637.643844][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 637.643846][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 637.643848][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 637.643850][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 637.643853][ T69] cleanup_net (net/core/net_namespace.c:706) [ 637.643855][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 637.643857][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 637.643859][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 637.643860][ T69] process_one_work (kernel/workqueue.c:3387) [ 637.643863][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 637.643866][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 637.643868][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 637.643870][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 637.643872][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 637.643874][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 637.643876][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 637.643878][ T69] kthread (kernel/kthread.c:436) [ 637.643880][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 637.643881][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 637.643883][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 637.643885][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 637.643887][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 637.643890][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 637.643892][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 638.829391][T14066] softirqs last disabled at (0): 0x0 | [ 638.829392][T14066] Preemption disabled at: | [ 638.829393][T14066] vprintk_emit (kernel/printk/printk.c:2471) | [ 638.829403][T14066] Tainted: [W]=WARN [ 638.829404][T14066] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 638.829406][T14066] Call Trace: [ 638.829407][T14066] [ 638.829409][T14066] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 638.829414][T14066] ? vprintk_emit (kernel/printk/printk.c:2471) [ 638.829416][T14066] __might_resched.cold (kernel/sched/core.c:9234) [ 638.829419][T14066] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 638.829421][T14066] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 638.829424][T14066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.829427][T14066] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 638.829430][T14066] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 638.829433][T14066] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 638.829438][T14066] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 638.829440][T14066] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 638.829442][T14066] put_chars (drivers/char/virtio_console.c:1176) [ 638.829444][T14066] ? __send_to_port (drivers/char/virtio_console.c:654) [ 638.829446][T14066] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 638.829448][T14066] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 638.829453][T14066] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 638.829455][T14066] ? vsnprintf (lib/vsprintf.c:2900) [ 638.829458][T14066] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 638.829460][T14066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.829461][T14066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.829463][T14066] console_emit_next_record (kernel/printk/printk.c:3183) [ 638.829466][T14066] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 638.829468][T14066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.829469][T14066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.829470][T14066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.829471][T14066] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 638.829473][T14066] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 638.829475][T14066] console_flush_one_record (kernel/printk/printk.c:3268) [ 638.829478][T14066] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 638.829480][T14066] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 638.829482][T14066] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 638.829484][T14066] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 638.829486][T14066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.829487][T14066] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 638.829488][T14066] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 638.829490][T14066] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 638.829491][T14066] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 638.829493][T14066] ? vprintk_emit (kernel/printk/printk.c:2478) [ 638.829494][T14066] vprintk_emit (kernel/printk/printk.c:2479) [ 638.829496][T14066] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 638.829497][T14066] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 638.829499][T14066] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 638.829502][T14066] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 638.829503][T14066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.829505][T14066] _printk (kernel/printk/printk.c:2504) [ 638.829508][T14066] ? snapshot_read.cold (user.c:?) [ 638.829510][T14066] ? br_multicast_flood (??:?) [ 638.829513][T14066] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 638.829516][T14066] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 638.829517][T14066] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 638.829519][T14066] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 638.829522][T14066] br_init_port (net/bridge/br_stp_if.c:39) [ 638.829524][T14066] new_nbp (net/bridge/br_if.c:449) [ 638.829526][T14066] br_add_if (net/bridge/br_if.c:592) [ 638.829528][T14066] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 638.829532][T14066] do_set_master (net/core/rtnetlink.c:3071) [ 638.829534][T14066] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 638.829536][T14066] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 638.829537][T14066] ? __dev_get_by_name (net/core/dev.c:905) [ 638.829539][T14066] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 638.829542][T14066] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 638.829545][T14066] rtnl_newlink (net/core/rtnetlink.c:4215) [ 638.829547][T14066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.829548][T14066] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 638.829549][T14066] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 638.829551][T14066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.829552][T14066] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 638.829555][T14066] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 638.829557][T14066] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 638.829559][T14066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.829560][T14066] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 638.829562][T14066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.829563][T14066] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 638.829564][T14066] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 638.829566][T14066] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 638.829568][T14066] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 638.829569][T14066] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 638.829573][T14066] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 638.829576][T14066] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 638.829577][T14066] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 638.829579][T14066] ? netlink_ack (./include/linux/skbuff.h:2718) [ 638.829581][T14066] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 638.829584][T14066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.829585][T14066] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 638.829587][T14066] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 638.829589][T14066] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 638.829591][T14066] ? next_uptodate_folio (mm/filemap.c:3747) [ 638.829594][T14066] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 638.829596][T14066] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 638.829599][T14066] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 638.829600][T14066] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 638.829604][T14066] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 638.829606][T14066] ____sys_sendmsg (net/socket.c:2713) [ 638.829608][T14066] ? copy_msghdr_from_user (net/socket.c:2650) [ 638.829610][T14066] ? sock_write_iter (net/socket.c:1269) [ 638.829611][T14066] ? move_addr_to_kernel (net/socket.c:258) [ 638.829614][T14066] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 638.829616][T14066] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 638.829618][T14066] ___sys_sendmsg (net/socket.c:2767) [ 638.829619][T14066] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 638.829621][T14066] ? copy_msghdr_from_user (net/socket.c:2619) [ 638.829623][T14066] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 638.829627][T14066] __sys_sendmsg (net/socket.c:2799) [ 638.829630][T14066] ? __sys_sendmsg_sock (net/socket.c:2780) [ 638.829632][T14066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.829633][T14066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 638.829635][T14066] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 638.829637][T14066] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 638.829639][T14066] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 638.829641][T14066] RIP: 0033:0x7ff47088554e [ 638.829643][T14066] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 638.829645][T14066] RSP: 002b:00007ffc3e297bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 638.829649][T14066] RAX: ffffffffffffffda RBX: 00007ffc3e298398 RCX: 00007ff47088554e [ 638.829650][T14066] RDX: 0000000000000000 RSI: 00007ffc3e297c80 RDI: 0000000000000005 [ 638.829651][T14066] RBP: 00007ffc3e297be0 R08: 0000000000000000 R09: 0000000000000000 [ 638.829652][T14066] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919090 [ 638.829653][T14066] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3e298350 | [ 640.167654][T14135] softirqs last disabled at (0): 0x0 | [ 640.167655][T14135] Preemption disabled at: | [ 640.167656][T14135] vprintk_emit (kernel/printk/printk.c:2471) | [ 640.167666][T14135] Tainted: [W]=WARN [ 640.167667][T14135] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 640.167669][T14135] Call Trace: [ 640.167670][T14135] [ 640.167672][T14135] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 640.167677][T14135] ? vprintk_emit (kernel/printk/printk.c:2471) [ 640.167679][T14135] __might_resched.cold (kernel/sched/core.c:9234) [ 640.167682][T14135] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 640.167686][T14135] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.167688][T14135] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 640.167691][T14135] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 640.167695][T14135] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 640.167700][T14135] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 640.167702][T14135] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 640.167704][T14135] put_chars (drivers/char/virtio_console.c:1176) [ 640.167706][T14135] ? __send_to_port (drivers/char/virtio_console.c:654) [ 640.167707][T14135] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 640.167709][T14135] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 640.167711][T14135] ? pointer (lib/vsprintf.c:2577) [ 640.167715][T14135] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 640.167720][T14135] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 640.167721][T14135] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 640.167723][T14135] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 640.167726][T14135] console_emit_next_record (kernel/printk/printk.c:3183) [ 640.167728][T14135] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 640.167730][T14135] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.167732][T14135] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.167733][T14135] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.167734][T14135] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 640.167736][T14135] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 640.167737][T14135] console_flush_one_record (kernel/printk/printk.c:3268) [ 640.167740][T14135] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 640.167743][T14135] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 640.167744][T14135] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 640.167746][T14135] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 640.167748][T14135] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.167749][T14135] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 640.167750][T14135] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 640.167752][T14135] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 640.167753][T14135] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 640.167755][T14135] ? vprintk_emit (kernel/printk/printk.c:2478) [ 640.167757][T14135] vprintk_emit (kernel/printk/printk.c:2479) [ 640.167759][T14135] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 640.167760][T14135] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 640.167762][T14135] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 640.167765][T14135] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 640.167768][T14135] _printk (kernel/printk/printk.c:2504) [ 640.167771][T14135] ? snapshot_read.cold (user.c:?) [ 640.167773][T14135] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 640.167775][T14135] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 640.167779][T14135] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 640.167781][T14135] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 640.167784][T14135] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 640.167786][T14135] ? netdev_notice (net/core/dev.c:13194) [ 640.167788][T14135] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 640.167790][T14135] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 640.167793][T14135] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 640.167795][T14135] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.167796][T14135] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.167797][T14135] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 640.167798][T14135] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 640.167800][T14135] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 640.167801][T14135] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 640.167803][T14135] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 640.167805][T14135] ? register_netdev (net/core/dev.c:11618) [ 640.167806][T14135] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 640.167808][T14135] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 640.167810][T14135] ? __kernel_text_address (kernel/extable.c:79) [ 640.167813][T14135] ? write_profile (profile.c:?) [ 640.167816][T14135] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 640.167820][T14135] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 640.167822][T14135] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 640.167823][T14135] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 640.167825][T14135] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.167826][T14135] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 640.167829][T14135] ? kasan_save_stack (mm/kasan/common.c:58) [ 640.167831][T14135] ? kasan_save_stack (mm/kasan/common.c:57) [ 640.167832][T14135] ? kasan_save_track (mm/kasan/common.c:78) [ 640.167833][T14135] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 640.167834][T14135] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 640.167835][T14135] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 640.167836][T14135] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 640.167838][T14135] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 640.167841][T14135] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 640.167842][T14135] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 640.167844][T14135] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 640.167847][T14135] ? ____sys_sendmsg (net/socket.c:2713) [ 640.167848][T14135] ? ___sys_sendmsg (net/socket.c:2767) [ 640.167849][T14135] ? __sys_sendmsg (net/socket.c:2799) [ 640.167851][T14135] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 640.167854][T14135] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 640.167856][T14135] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.167857][T14135] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 640.167859][T14135] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.167860][T14135] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.167861][T14135] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 640.167863][T14135] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 640.167864][T14135] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 640.167866][T14135] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 640.167867][T14135] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 640.167868][T14135] ? nla_get_range_signed (lib/nlattr.c:270) [ 640.167872][T14135] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.167873][T14135] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 640.167875][T14135] rtnl_newlink (net/core/rtnetlink.c:4215) [ 640.167877][T14135] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.167878][T14135] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 640.167880][T14135] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 640.167881][T14135] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.167883][T14135] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 640.167885][T14135] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 640.167886][T14135] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 640.167888][T14135] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.167889][T14135] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 640.167893][T14135] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 640.167895][T14135] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.167896][T14135] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 640.167898][T14135] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.167899][T14135] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 640.167901][T14135] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 640.167902][T14135] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 640.167904][T14135] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 640.167905][T14135] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 640.167908][T14135] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 640.167909][T14135] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 640.167911][T14135] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 640.167912][T14135] ? netlink_ack (./include/linux/skbuff.h:2718) [ 640.167914][T14135] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 640.167917][T14135] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.167918][T14135] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 640.167920][T14135] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 640.167922][T14135] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 640.167924][T14135] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 640.167926][T14135] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 640.167928][T14135] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 640.167929][T14135] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 640.167931][T14135] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 640.167933][T14135] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 640.167936][T14135] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 640.167938][T14135] ____sys_sendmsg (net/socket.c:2713) [ 640.167939][T14135] ? copy_msghdr_from_user (net/socket.c:2650) [ 640.167941][T14135] ? sock_write_iter (net/socket.c:1269) [ 640.167943][T14135] ? move_addr_to_kernel (net/socket.c:258) [ 640.167944][T14135] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 640.167947][T14135] ___sys_sendmsg (net/socket.c:2767) [ 640.167949][T14135] ? copy_msghdr_from_user (net/socket.c:2619) [ 640.167953][T14135] __sys_sendmsg (net/socket.c:2799) [ 640.167955][T14135] ? __sys_sendmsg_sock (net/socket.c:2780) [ 640.167958][T14135] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 640.167960][T14135] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 640.167962][T14135] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 640.167963][T14135] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 640.167965][T14135] RIP: 0033:0x7f32cbe4854e [ 640.167967][T14135] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 640.167968][T14135] RSP: 002b:00007fffa1994c30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 640.167972][T14135] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f32cbe4854e [ 640.167973][T14135] RDX: 0000000000000000 RSI: 00007fffa1994ce0 RDI: 0000000000000005 [ 640.167974][T14135] RBP: 00007fffa1994c40 R08: 0000000000000000 R09: 0000000000000000 [ 640.167975][T14135] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919091 [ 640.167976][T14135] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa19953a0 | [ 641.258778][T14185] softirqs last disabled at (0): 0x0 | [ 641.258780][T14185] Preemption disabled at: | [ 641.258780][T14185] vprintk_emit (kernel/printk/printk.c:2471) | [ 641.258791][T14185] Tainted: [W]=WARN [ 641.258792][T14185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 641.258794][T14185] Call Trace: [ 641.258796][T14185] [ 641.258797][T14185] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 641.258803][T14185] ? vprintk_emit (kernel/printk/printk.c:2471) [ 641.258804][T14185] __might_resched.cold (kernel/sched/core.c:9234) [ 641.258808][T14185] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 641.258811][T14185] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 641.258814][T14185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.258817][T14185] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 641.258820][T14185] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 641.258824][T14185] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 641.258829][T14185] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 641.258830][T14185] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 641.258833][T14185] put_chars (drivers/char/virtio_console.c:1176) [ 641.258835][T14185] ? __send_to_port (drivers/char/virtio_console.c:654) [ 641.258837][T14185] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 641.258839][T14185] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 641.258844][T14185] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 641.258846][T14185] ? vsnprintf (lib/vsprintf.c:2900) [ 641.258850][T14185] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 641.258851][T14185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.258853][T14185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.258854][T14185] console_emit_next_record (kernel/printk/printk.c:3183) [ 641.258857][T14185] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 641.258859][T14185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.258860][T14185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.258861][T14185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.258862][T14185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 641.258865][T14185] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 641.258867][T14185] console_flush_one_record (kernel/printk/printk.c:3268) [ 641.258869][T14185] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 641.258872][T14185] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 641.258874][T14185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 641.258876][T14185] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 641.258877][T14185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.258878][T14185] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 641.258880][T14185] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 641.258882][T14185] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 641.258883][T14185] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 641.258885][T14185] ? vprintk_emit (kernel/printk/printk.c:2478) [ 641.258887][T14185] vprintk_emit (kernel/printk/printk.c:2479) [ 641.258888][T14185] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 641.258890][T14185] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 641.258891][T14185] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 641.258894][T14185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 641.258896][T14185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.258898][T14185] _printk (kernel/printk/printk.c:2504) [ 641.258901][T14185] ? snapshot_read.cold (user.c:?) [ 641.258903][T14185] ? br_multicast_flood (??:?) [ 641.258906][T14185] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 641.258909][T14185] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 641.258910][T14185] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 641.258912][T14185] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 641.258915][T14185] br_init_port (net/bridge/br_stp_if.c:39) [ 641.258917][T14185] new_nbp (net/bridge/br_if.c:449) [ 641.258919][T14185] br_add_if (net/bridge/br_if.c:592) [ 641.258921][T14185] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 641.258926][T14185] do_set_master (net/core/rtnetlink.c:3071) [ 641.258928][T14185] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 641.258930][T14185] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 641.258931][T14185] ? __dev_get_by_name (net/core/dev.c:905) [ 641.258933][T14185] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 641.258937][T14185] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 641.258939][T14185] rtnl_newlink (net/core/rtnetlink.c:4215) [ 641.258942][T14185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.258943][T14185] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 641.258944][T14185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 641.258946][T14185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.258947][T14185] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 641.258950][T14185] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 641.258952][T14185] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 641.258954][T14185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.258955][T14185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 641.258957][T14185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.258958][T14185] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 641.258959][T14185] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 641.258961][T14185] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 641.258963][T14185] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 641.258964][T14185] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 641.258968][T14185] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 641.258971][T14185] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 641.258973][T14185] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 641.258974][T14185] ? netlink_ack (./include/linux/skbuff.h:2718) [ 641.258976][T14185] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 641.258979][T14185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.258980][T14185] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 641.258982][T14185] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 641.258984][T14185] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 641.258986][T14185] ? next_uptodate_folio (mm/filemap.c:3747) [ 641.258989][T14185] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 641.258992][T14185] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 641.258994][T14185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 641.258995][T14185] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 641.258999][T14185] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 641.259002][T14185] ____sys_sendmsg (net/socket.c:2713) [ 641.259004][T14185] ? copy_msghdr_from_user (net/socket.c:2650) [ 641.259005][T14185] ? sock_write_iter (net/socket.c:1269) [ 641.259007][T14185] ? move_addr_to_kernel (net/socket.c:258) [ 641.259009][T14185] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 641.259012][T14185] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 641.259014][T14185] ___sys_sendmsg (net/socket.c:2767) [ 641.259015][T14185] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 641.259017][T14185] ? copy_msghdr_from_user (net/socket.c:2619) [ 641.259019][T14185] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 641.259023][T14185] __sys_sendmsg (net/socket.c:2799) [ 641.259026][T14185] ? __sys_sendmsg_sock (net/socket.c:2780) [ 641.259028][T14185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.259029][T14185] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 641.259031][T14185] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 641.259034][T14185] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 641.259036][T14185] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 641.259038][T14185] RIP: 0033:0x7f8e6756b54e [ 641.259040][T14185] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 641.259042][T14185] RSP: 002b:00007fff3fd38bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 641.259045][T14185] RAX: ffffffffffffffda RBX: 00007fff3fd393b8 RCX: 00007f8e6756b54e [ 641.259047][T14185] RDX: 0000000000000000 RSI: 00007fff3fd38ca0 RDI: 0000000000000005 [ 641.259048][T14185] RBP: 00007fff3fd38c00 R08: 0000000000000000 R09: 0000000000000000 [ 641.259049][T14185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919092 [ 641.259049][T14185] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3fd39370 | [ 647.328112][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 647.328115][ T69] Preemption disabled at: | [ 647.328115][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 647.328125][ T69] Tainted: [W]=WARN [ 647.328126][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 647.328128][ T69] Workqueue: netns cleanup_net [ 647.328134][ T69] Call Trace: [ 647.328136][ T69] [ 647.328138][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 647.328143][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 647.328145][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 647.328148][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 647.328150][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 647.328154][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 647.328156][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 647.328159][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 647.328162][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 647.328167][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 647.328168][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 647.328171][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 647.328173][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 647.328175][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 647.328182][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 647.328187][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 647.328189][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 647.328192][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 647.328194][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 647.328195][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 647.328197][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 647.328200][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 647.328202][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 647.328203][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 647.328205][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 647.328206][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 647.328208][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 647.328210][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 647.328213][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 647.328216][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 647.328218][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 647.328219][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 647.328221][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 647.328222][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 647.328224][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 647.328226][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 647.328228][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 647.328230][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 647.328231][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 647.328233][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 647.328234][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 647.328236][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 647.328239][ T69] ? kthread (kernel/kthread.c:436) [ 647.328241][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 647.328243][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 647.328246][ T69] _printk (kernel/printk/printk.c:2504) [ 647.328249][ T69] ? snapshot_read.cold (user.c:?) [ 647.328251][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 647.328254][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 647.328257][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 647.328262][ T69] ? netdev_notice (net/core/dev.c:13194) [ 647.328265][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 647.328266][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 647.328267][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 647.328270][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 647.328272][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 647.328273][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 647.328276][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 647.328278][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 647.328282][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 647.328284][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 647.328287][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 647.328289][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 647.328291][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 647.328294][ T69] cleanup_net (net/core/net_namespace.c:706) [ 647.328295][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 647.328297][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 647.328299][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 647.328301][ T69] process_one_work (kernel/workqueue.c:3387) [ 647.328303][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 647.328306][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 647.328308][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 647.328311][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 647.328313][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 647.328315][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 647.328316][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 647.328318][ T69] kthread (kernel/kthread.c:436) [ 647.328320][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 647.328321][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 647.328323][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 647.328325][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 647.328327][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 647.328330][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 647.328331][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 648.570037][T14323] softirqs last disabled at (0): 0x0 | [ 648.570039][T14323] Preemption disabled at: | [ 648.570040][T14323] vprintk_emit (kernel/printk/printk.c:2471) | [ 648.570050][T14323] Tainted: [W]=WARN [ 648.570051][T14323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 648.570053][T14323] Call Trace: [ 648.570054][T14323] [ 648.570055][T14323] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 648.570061][T14323] ? vprintk_emit (kernel/printk/printk.c:2471) [ 648.570063][T14323] __might_resched.cold (kernel/sched/core.c:9234) [ 648.570066][T14323] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 648.570068][T14323] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 648.570071][T14323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.570074][T14323] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 648.570077][T14323] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 648.570080][T14323] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 648.570085][T14323] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 648.570087][T14323] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 648.570090][T14323] put_chars (drivers/char/virtio_console.c:1176) [ 648.570091][T14323] ? __send_to_port (drivers/char/virtio_console.c:654) [ 648.570093][T14323] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 648.570096][T14323] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 648.570101][T14323] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 648.570102][T14323] ? vsnprintf (lib/vsprintf.c:2900) [ 648.570105][T14323] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 648.570107][T14323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.570108][T14323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.570110][T14323] console_emit_next_record (kernel/printk/printk.c:3183) [ 648.570113][T14323] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 648.570115][T14323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.570116][T14323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.570117][T14323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.570118][T14323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 648.570121][T14323] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 648.570122][T14323] console_flush_one_record (kernel/printk/printk.c:3268) [ 648.570125][T14323] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 648.570128][T14323] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 648.570130][T14323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 648.570131][T14323] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 648.570133][T14323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.570134][T14323] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 648.570136][T14323] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 648.570137][T14323] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 648.570139][T14323] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 648.570141][T14323] ? vprintk_emit (kernel/printk/printk.c:2478) [ 648.570142][T14323] vprintk_emit (kernel/printk/printk.c:2479) [ 648.570144][T14323] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 648.570145][T14323] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 648.570147][T14323] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 648.570150][T14323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 648.570152][T14323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.570153][T14323] _printk (kernel/printk/printk.c:2504) [ 648.570156][T14323] ? snapshot_read.cold (user.c:?) [ 648.570158][T14323] ? br_multicast_flood (??:?) [ 648.570162][T14323] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 648.570165][T14323] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 648.570166][T14323] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 648.570168][T14323] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 648.570171][T14323] br_init_port (net/bridge/br_stp_if.c:39) [ 648.570173][T14323] new_nbp (net/bridge/br_if.c:449) [ 648.570175][T14323] br_add_if (net/bridge/br_if.c:592) [ 648.570177][T14323] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 648.570184][T14323] do_set_master (net/core/rtnetlink.c:3071) [ 648.570186][T14323] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 648.570187][T14323] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 648.570189][T14323] ? __dev_get_by_name (net/core/dev.c:905) [ 648.570191][T14323] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 648.570194][T14323] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 648.570197][T14323] rtnl_newlink (net/core/rtnetlink.c:4215) [ 648.570199][T14323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.570201][T14323] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 648.570202][T14323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 648.570203][T14323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.570205][T14323] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 648.570207][T14323] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 648.570209][T14323] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 648.570211][T14323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.570213][T14323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 648.570214][T14323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.570215][T14323] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 648.570217][T14323] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 648.570218][T14323] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 648.570220][T14323] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 648.570221][T14323] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 648.570225][T14323] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 648.570228][T14323] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 648.570230][T14323] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 648.570231][T14323] ? netlink_ack (./include/linux/skbuff.h:2718) [ 648.570233][T14323] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 648.570236][T14323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.570237][T14323] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 648.570239][T14323] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 648.570241][T14323] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 648.570243][T14323] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 648.570246][T14323] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 648.570249][T14323] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 648.570251][T14323] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 648.570253][T14323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 648.570255][T14323] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 648.570258][T14323] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 648.570261][T14323] ____sys_sendmsg (net/socket.c:2713) [ 648.570263][T14323] ? copy_msghdr_from_user (net/socket.c:2650) [ 648.570269][T14323] ? sock_write_iter (net/socket.c:1269) [ 648.570271][T14323] ? move_addr_to_kernel (net/socket.c:258) [ 648.570273][T14323] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 648.570276][T14323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 648.570278][T14323] ___sys_sendmsg (net/socket.c:2767) [ 648.570279][T14323] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 648.570281][T14323] ? copy_msghdr_from_user (net/socket.c:2619) [ 648.570283][T14323] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 648.570288][T14323] __sys_sendmsg (net/socket.c:2799) [ 648.570290][T14323] ? __sys_sendmsg_sock (net/socket.c:2780) [ 648.570293][T14323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.570294][T14323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 648.570295][T14323] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 648.570298][T14323] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 648.570300][T14323] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 648.570302][T14323] RIP: 0033:0x7f101919854e [ 648.570304][T14323] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 648.570306][T14323] RSP: 002b:00007ffe7cb350b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 648.570309][T14323] RAX: ffffffffffffffda RBX: 00007ffe7cb35878 RCX: 00007f101919854e [ 648.570311][T14323] RDX: 0000000000000000 RSI: 00007ffe7cb35160 RDI: 0000000000000005 [ 648.570312][T14323] RBP: 00007ffe7cb350c0 R08: 0000000000000000 R09: 0000000000000000 [ 648.570313][T14323] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919099 [ 648.570314][T14323] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7cb35830 | [ 649.958195][T14393] softirqs last disabled at (0): 0x0 | [ 649.958197][T14393] Preemption disabled at: | [ 649.958198][T14393] vprintk_emit (kernel/printk/printk.c:2471) | [ 649.958208][T14393] Tainted: [W]=WARN [ 649.958209][T14393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 649.958211][T14393] Call Trace: [ 649.958212][T14393] [ 649.958213][T14393] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 649.958219][T14393] ? vprintk_emit (kernel/printk/printk.c:2471) [ 649.958220][T14393] __might_resched.cold (kernel/sched/core.c:9234) [ 649.958224][T14393] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 649.958228][T14393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.958230][T14393] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 649.958233][T14393] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 649.958236][T14393] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 649.958241][T14393] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 649.958243][T14393] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 649.958245][T14393] put_chars (drivers/char/virtio_console.c:1176) [ 649.958247][T14393] ? __send_to_port (drivers/char/virtio_console.c:654) [ 649.958248][T14393] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 649.958251][T14393] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 649.958253][T14393] ? pointer (lib/vsprintf.c:2577) [ 649.958256][T14393] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 649.958261][T14393] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 649.958262][T14393] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 649.958264][T14393] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 649.958267][T14393] console_emit_next_record (kernel/printk/printk.c:3183) [ 649.958274][T14393] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 649.958276][T14393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.958277][T14393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.958278][T14393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.958279][T14393] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 649.958281][T14393] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 649.958283][T14393] console_flush_one_record (kernel/printk/printk.c:3268) [ 649.958285][T14393] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 649.958288][T14393] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 649.958290][T14393] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 649.958292][T14393] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 649.958293][T14393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.958294][T14393] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 649.958296][T14393] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 649.958297][T14393] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 649.958299][T14393] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 649.958301][T14393] ? vprintk_emit (kernel/printk/printk.c:2478) [ 649.958302][T14393] vprintk_emit (kernel/printk/printk.c:2479) [ 649.958304][T14393] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 649.958305][T14393] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 649.958308][T14393] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 649.958311][T14393] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 649.958313][T14393] _printk (kernel/printk/printk.c:2504) [ 649.958316][T14393] ? snapshot_read.cold (user.c:?) [ 649.958318][T14393] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 649.958321][T14393] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 649.958324][T14393] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 649.958326][T14393] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 649.958329][T14393] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 649.958331][T14393] ? netdev_notice (net/core/dev.c:13194) [ 649.958333][T14393] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 649.958335][T14393] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 649.958338][T14393] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 649.958339][T14393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.958340][T14393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.958342][T14393] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 649.958343][T14393] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 649.958345][T14393] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 649.958346][T14393] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 649.958347][T14393] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 649.958349][T14393] ? register_netdev (net/core/dev.c:11618) [ 649.958350][T14393] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 649.958352][T14393] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 649.958355][T14393] ? __kernel_text_address (kernel/extable.c:79) [ 649.958357][T14393] ? write_profile (profile.c:?) [ 649.958360][T14393] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 649.958364][T14393] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 649.958365][T14393] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 649.958367][T14393] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 649.958369][T14393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.958370][T14393] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 649.958373][T14393] ? kasan_save_stack (mm/kasan/common.c:58) [ 649.958375][T14393] ? kasan_save_stack (mm/kasan/common.c:57) [ 649.958376][T14393] ? kasan_save_track (mm/kasan/common.c:78) [ 649.958377][T14393] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 649.958378][T14393] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 649.958379][T14393] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 649.958380][T14393] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 649.958382][T14393] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 649.958385][T14393] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 649.958387][T14393] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 649.958388][T14393] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 649.958390][T14393] ? ____sys_sendmsg (net/socket.c:2713) [ 649.958392][T14393] ? ___sys_sendmsg (net/socket.c:2767) [ 649.958393][T14393] ? __sys_sendmsg (net/socket.c:2799) [ 649.958395][T14393] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 649.958397][T14393] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 649.958400][T14393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.958401][T14393] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 649.958402][T14393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.958403][T14393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.958404][T14393] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 649.958406][T14393] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 649.958407][T14393] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 649.958408][T14393] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 649.958410][T14393] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 649.958411][T14393] ? nla_get_range_signed (lib/nlattr.c:270) [ 649.958414][T14393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.958416][T14393] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 649.958418][T14393] rtnl_newlink (net/core/rtnetlink.c:4215) [ 649.958420][T14393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.958421][T14393] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 649.958422][T14393] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 649.958424][T14393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.958425][T14393] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 649.958427][T14393] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 649.958429][T14393] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 649.958430][T14393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.958431][T14393] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 649.958435][T14393] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 649.958437][T14393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.958438][T14393] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 649.958440][T14393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.958441][T14393] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 649.958443][T14393] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 649.958444][T14393] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 649.958446][T14393] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 649.958447][T14393] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 649.958450][T14393] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 649.958451][T14393] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 649.958453][T14393] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 649.958454][T14393] ? netlink_ack (./include/linux/skbuff.h:2718) [ 649.958456][T14393] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 649.958459][T14393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.958460][T14393] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 649.958462][T14393] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 649.958464][T14393] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 649.958466][T14393] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 649.958468][T14393] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 649.958470][T14393] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 649.958472][T14393] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 649.958474][T14393] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 649.958475][T14393] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 649.958478][T14393] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 649.958480][T14393] ____sys_sendmsg (net/socket.c:2713) [ 649.958482][T14393] ? copy_msghdr_from_user (net/socket.c:2650) [ 649.958484][T14393] ? sock_write_iter (net/socket.c:1269) [ 649.958485][T14393] ? move_addr_to_kernel (net/socket.c:258) [ 649.958487][T14393] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 649.958489][T14393] ___sys_sendmsg (net/socket.c:2767) [ 649.958491][T14393] ? copy_msghdr_from_user (net/socket.c:2619) [ 649.958496][T14393] __sys_sendmsg (net/socket.c:2799) [ 649.958498][T14393] ? __sys_sendmsg_sock (net/socket.c:2780) [ 649.958501][T14393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 649.958502][T14393] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 649.958504][T14393] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 649.958506][T14393] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 649.958507][T14393] RIP: 0033:0x7f19b6e5f54e [ 649.958509][T14393] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 649.958511][T14393] RSP: 002b:00007ffe2ebf3e10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 649.958515][T14393] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f19b6e5f54e [ 649.958516][T14393] RDX: 0000000000000000 RSI: 00007ffe2ebf3ec0 RDI: 0000000000000005 [ 649.958517][T14393] RBP: 00007ffe2ebf3e20 R08: 0000000000000000 R09: 0000000000000000 [ 649.958518][T14393] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91909b [ 649.958519][T14393] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2ebf4580 | [ 651.045127][T14443] softirqs last disabled at (0): 0x0 | [ 651.045129][T14443] Preemption disabled at: | [ 651.045130][T14443] vprintk_emit (kernel/printk/printk.c:2471) | [ 651.045140][T14443] Tainted: [W]=WARN [ 651.045141][T14443] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 651.045143][T14443] Call Trace: [ 651.045144][T14443] [ 651.045145][T14443] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 651.045151][T14443] ? vprintk_emit (kernel/printk/printk.c:2471) [ 651.045153][T14443] __might_resched.cold (kernel/sched/core.c:9234) [ 651.045156][T14443] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 651.045159][T14443] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 651.045162][T14443] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 651.045164][T14443] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 651.045167][T14443] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 651.045170][T14443] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 651.045175][T14443] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 651.045177][T14443] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 651.045182][T14443] put_chars (drivers/char/virtio_console.c:1176) [ 651.045184][T14443] ? __send_to_port (drivers/char/virtio_console.c:654) [ 651.045185][T14443] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 651.045188][T14443] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 651.045193][T14443] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 651.045195][T14443] ? vsnprintf (lib/vsprintf.c:2900) [ 651.045198][T14443] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 651.045200][T14443] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 651.045201][T14443] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 651.045203][T14443] console_emit_next_record (kernel/printk/printk.c:3183) [ 651.045205][T14443] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 651.045207][T14443] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 651.045208][T14443] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 651.045209][T14443] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 651.045210][T14443] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 651.045213][T14443] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 651.045215][T14443] console_flush_one_record (kernel/printk/printk.c:3268) [ 651.045217][T14443] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 651.045220][T14443] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 651.045222][T14443] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 651.045223][T14443] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 651.045225][T14443] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 651.045226][T14443] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 651.045228][T14443] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 651.045229][T14443] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 651.045231][T14443] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 651.045233][T14443] ? vprintk_emit (kernel/printk/printk.c:2478) [ 651.045234][T14443] vprintk_emit (kernel/printk/printk.c:2479) [ 651.045236][T14443] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 651.045237][T14443] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 651.045239][T14443] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 651.045242][T14443] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 651.045243][T14443] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 651.045245][T14443] _printk (kernel/printk/printk.c:2504) [ 651.045248][T14443] ? snapshot_read.cold (user.c:?) [ 651.045250][T14443] ? br_multicast_flood (??:?) [ 651.045253][T14443] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 651.045256][T14443] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 651.045257][T14443] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 651.045259][T14443] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 651.045262][T14443] br_init_port (net/bridge/br_stp_if.c:39) [ 651.045264][T14443] new_nbp (net/bridge/br_if.c:449) [ 651.045266][T14443] br_add_if (net/bridge/br_if.c:592) [ 651.045268][T14443] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 651.045275][T14443] do_set_master (net/core/rtnetlink.c:3071) [ 651.045277][T14443] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 651.045279][T14443] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 651.045280][T14443] ? __dev_get_by_name (net/core/dev.c:905) [ 651.045282][T14443] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 651.045285][T14443] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 651.045288][T14443] rtnl_newlink (net/core/rtnetlink.c:4215) [ 651.045290][T14443] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 651.045291][T14443] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 651.045293][T14443] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 651.045294][T14443] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 651.045296][T14443] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 651.045298][T14443] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 651.045300][T14443] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 651.045303][T14443] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 651.045304][T14443] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 651.045305][T14443] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 651.045306][T14443] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 651.045308][T14443] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 651.045310][T14443] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 651.045311][T14443] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 651.045312][T14443] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 651.045316][T14443] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 651.045319][T14443] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 651.045321][T14443] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 651.045322][T14443] ? netlink_ack (./include/linux/skbuff.h:2718) [ 651.045324][T14443] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 651.045327][T14443] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 651.045328][T14443] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 651.045330][T14443] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 651.045332][T14443] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 651.045334][T14443] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 651.045336][T14443] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 651.045340][T14443] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 651.045342][T14443] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 651.045344][T14443] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 651.045345][T14443] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 651.045349][T14443] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 651.045352][T14443] ____sys_sendmsg (net/socket.c:2713) [ 651.045354][T14443] ? copy_msghdr_from_user (net/socket.c:2650) [ 651.045355][T14443] ? sock_write_iter (net/socket.c:1269) [ 651.045357][T14443] ? move_addr_to_kernel (net/socket.c:258) [ 651.045359][T14443] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 651.045361][T14443] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 651.045363][T14443] ___sys_sendmsg (net/socket.c:2767) [ 651.045365][T14443] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 651.045367][T14443] ? copy_msghdr_from_user (net/socket.c:2619) [ 651.045368][T14443] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 651.045373][T14443] __sys_sendmsg (net/socket.c:2799) [ 651.045375][T14443] ? __sys_sendmsg_sock (net/socket.c:2780) [ 651.045378][T14443] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 651.045379][T14443] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 651.045380][T14443] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 651.045383][T14443] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 651.045384][T14443] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 651.045386][T14443] RIP: 0033:0x7ff41bfc754e [ 651.045388][T14443] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 651.045390][T14443] RSP: 002b:00007ffe7e4ae3d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 651.045394][T14443] RAX: ffffffffffffffda RBX: 00007ffe7e4aeb98 RCX: 00007ff41bfc754e [ 651.045395][T14443] RDX: 0000000000000000 RSI: 00007ffe7e4ae480 RDI: 0000000000000005 [ 651.045396][T14443] RBP: 00007ffe7e4ae3e0 R08: 0000000000000000 R09: 0000000000000000 [ 651.045397][T14443] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91909c [ 651.045398][T14443] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7e4aeb50 | [ 657.111416][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 657.111418][ T69] Preemption disabled at: | [ 657.111419][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 657.111429][ T69] Tainted: [W]=WARN [ 657.111430][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 657.111432][ T69] Workqueue: netns cleanup_net [ 657.111438][ T69] Call Trace: [ 657.111440][ T69] [ 657.111441][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 657.111447][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 657.111449][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 657.111453][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 657.111455][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 657.111458][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.111461][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 657.111464][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 657.111467][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 657.111471][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 657.111473][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 657.111476][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 657.111477][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 657.111479][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 657.111482][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 657.111486][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 657.111488][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 657.111490][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 657.111492][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.111493][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.111495][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 657.111498][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 657.111500][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.111501][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.111502][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.111503][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 657.111505][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 657.111507][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 657.111510][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 657.111512][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 657.111514][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 657.111516][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 657.111518][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.111519][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 657.111520][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 657.111522][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 657.111523][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 657.111526][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 657.111527][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 657.111529][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 657.111530][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 657.111531][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 657.111534][ T69] ? kthread (kernel/kthread.c:436) [ 657.111537][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 657.111539][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 657.111542][ T69] _printk (kernel/printk/printk.c:2504) [ 657.111545][ T69] ? snapshot_read.cold (user.c:?) [ 657.111547][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 657.111550][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 657.111552][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 657.111555][ T69] ? netdev_notice (net/core/dev.c:13194) [ 657.111557][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.111558][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 657.111560][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 657.111563][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 657.111564][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 657.111565][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 657.111568][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 657.111570][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 657.111574][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 657.111576][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 657.111579][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 657.111581][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 657.111583][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 657.111586][ T69] cleanup_net (net/core/net_namespace.c:706) [ 657.111588][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 657.111590][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 657.111591][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 657.111593][ T69] process_one_work (kernel/workqueue.c:3387) [ 657.111596][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 657.111598][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 657.111601][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 657.111603][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 657.111605][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 657.111607][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 657.111609][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 657.111611][ T69] kthread (kernel/kthread.c:436) [ 657.111612][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 657.111614][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 657.111616][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 657.111618][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 657.111620][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 657.111623][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 657.111625][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 658.300437][T14581] softirqs last disabled at (0): 0x0 | [ 658.300438][T14581] Preemption disabled at: | [ 658.300439][T14581] vprintk_emit (kernel/printk/printk.c:2471) | [ 658.300449][T14581] Tainted: [W]=WARN [ 658.300450][T14581] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 658.300452][T14581] Call Trace: [ 658.300453][T14581] [ 658.300455][T14581] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 658.300460][T14581] ? vprintk_emit (kernel/printk/printk.c:2471) [ 658.300462][T14581] __might_resched.cold (kernel/sched/core.c:9234) [ 658.300466][T14581] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 658.300468][T14581] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 658.300472][T14581] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.300474][T14581] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 658.300477][T14581] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 658.300480][T14581] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 658.300485][T14581] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 658.300487][T14581] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 658.300489][T14581] put_chars (drivers/char/virtio_console.c:1176) [ 658.300491][T14581] ? __send_to_port (drivers/char/virtio_console.c:654) [ 658.300493][T14581] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 658.300496][T14581] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 658.300501][T14581] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 658.300502][T14581] ? vsnprintf (lib/vsprintf.c:2900) [ 658.300506][T14581] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 658.300508][T14581] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.300509][T14581] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.300510][T14581] console_emit_next_record (kernel/printk/printk.c:3183) [ 658.300513][T14581] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 658.300515][T14581] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.300516][T14581] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.300517][T14581] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.300518][T14581] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 658.300521][T14581] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 658.300523][T14581] console_flush_one_record (kernel/printk/printk.c:3268) [ 658.300526][T14581] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 658.300528][T14581] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 658.300530][T14581] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 658.300532][T14581] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 658.300534][T14581] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.300535][T14581] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 658.300536][T14581] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 658.300538][T14581] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 658.300539][T14581] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 658.300541][T14581] ? vprintk_emit (kernel/printk/printk.c:2478) [ 658.300543][T14581] vprintk_emit (kernel/printk/printk.c:2479) [ 658.300544][T14581] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 658.300546][T14581] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 658.300547][T14581] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 658.300550][T14581] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 658.300552][T14581] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.300553][T14581] _printk (kernel/printk/printk.c:2504) [ 658.300556][T14581] ? snapshot_read.cold (user.c:?) [ 658.300558][T14581] ? br_multicast_flood (??:?) [ 658.300562][T14581] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 658.300565][T14581] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 658.300566][T14581] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 658.300568][T14581] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 658.300571][T14581] br_init_port (net/bridge/br_stp_if.c:39) [ 658.300573][T14581] new_nbp (net/bridge/br_if.c:449) [ 658.300575][T14581] br_add_if (net/bridge/br_if.c:592) [ 658.300577][T14581] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 658.300581][T14581] do_set_master (net/core/rtnetlink.c:3071) [ 658.300583][T14581] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 658.300585][T14581] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 658.300586][T14581] ? __dev_get_by_name (net/core/dev.c:905) [ 658.300588][T14581] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 658.300592][T14581] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 658.300594][T14581] rtnl_newlink (net/core/rtnetlink.c:4215) [ 658.300596][T14581] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.300597][T14581] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 658.300599][T14581] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 658.300600][T14581] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.300601][T14581] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 658.300604][T14581] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 658.300606][T14581] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 658.300608][T14581] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.300609][T14581] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 658.300611][T14581] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.300612][T14581] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 658.300614][T14581] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 658.300615][T14581] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 658.300617][T14581] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 658.300618][T14581] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 658.300622][T14581] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 658.300625][T14581] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 658.300627][T14581] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 658.300628][T14581] ? netlink_ack (./include/linux/skbuff.h:2718) [ 658.300630][T14581] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 658.300633][T14581] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.300634][T14581] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 658.300636][T14581] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 658.300638][T14581] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 658.300640][T14581] ? next_uptodate_folio (mm/filemap.c:3747) [ 658.300643][T14581] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 658.300645][T14581] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 658.300647][T14581] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 658.300649][T14581] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 658.300653][T14581] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 658.300655][T14581] ____sys_sendmsg (net/socket.c:2713) [ 658.300657][T14581] ? copy_msghdr_from_user (net/socket.c:2650) [ 658.300659][T14581] ? sock_write_iter (net/socket.c:1269) [ 658.300660][T14581] ? move_addr_to_kernel (net/socket.c:258) [ 658.300662][T14581] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 658.300665][T14581] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 658.300667][T14581] ___sys_sendmsg (net/socket.c:2767) [ 658.300668][T14581] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 658.300670][T14581] ? copy_msghdr_from_user (net/socket.c:2619) [ 658.300672][T14581] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 658.300677][T14581] __sys_sendmsg (net/socket.c:2799) [ 658.300679][T14581] ? __sys_sendmsg_sock (net/socket.c:2780) [ 658.300682][T14581] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.300683][T14581] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 658.300684][T14581] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 658.300687][T14581] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 658.300689][T14581] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 658.300691][T14581] RIP: 0033:0x7f0b9bd1a54e [ 658.300693][T14581] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 658.300695][T14581] RSP: 002b:00007ffe69a35b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 658.300698][T14581] RAX: ffffffffffffffda RBX: 00007ffe69a36338 RCX: 00007f0b9bd1a54e [ 658.300700][T14581] RDX: 0000000000000000 RSI: 00007ffe69a35c20 RDI: 0000000000000005 [ 658.300701][T14581] RBP: 00007ffe69a35b80 R08: 0000000000000000 R09: 0000000000000000 [ 658.300702][T14581] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190a3 [ 658.300703][T14581] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe69a362f0 | [ 659.607224][T14651] softirqs last disabled at (0): 0x0 | [ 659.607225][T14651] Preemption disabled at: | [ 659.607226][T14651] vprintk_emit (kernel/printk/printk.c:2471) | [ 659.607237][T14651] Tainted: [W]=WARN [ 659.607238][T14651] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 659.607239][T14651] Call Trace: [ 659.607241][T14651] [ 659.607242][T14651] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 659.607248][T14651] ? vprintk_emit (kernel/printk/printk.c:2471) [ 659.607249][T14651] __might_resched.cold (kernel/sched/core.c:9234) [ 659.607253][T14651] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 659.607257][T14651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.607260][T14651] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 659.607263][T14651] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 659.607266][T14651] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 659.607271][T14651] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 659.607272][T14651] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 659.607275][T14651] put_chars (drivers/char/virtio_console.c:1176) [ 659.607277][T14651] ? __send_to_port (drivers/char/virtio_console.c:654) [ 659.607278][T14651] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 659.607280][T14651] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 659.607282][T14651] ? pointer (lib/vsprintf.c:2577) [ 659.607286][T14651] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 659.607291][T14651] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 659.607293][T14651] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 659.607295][T14651] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 659.607297][T14651] console_emit_next_record (kernel/printk/printk.c:3183) [ 659.607300][T14651] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 659.607302][T14651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.607303][T14651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.607308][T14651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.607309][T14651] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 659.607311][T14651] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 659.607313][T14651] console_flush_one_record (kernel/printk/printk.c:3268) [ 659.607316][T14651] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 659.607318][T14651] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 659.607320][T14651] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 659.607322][T14651] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 659.607324][T14651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.607325][T14651] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 659.607326][T14651] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 659.607328][T14651] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 659.607329][T14651] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 659.607331][T14651] ? vprintk_emit (kernel/printk/printk.c:2478) [ 659.607333][T14651] vprintk_emit (kernel/printk/printk.c:2479) [ 659.607335][T14651] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 659.607336][T14651] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 659.607338][T14651] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 659.607341][T14651] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 659.607344][T14651] _printk (kernel/printk/printk.c:2504) [ 659.607347][T14651] ? snapshot_read.cold (user.c:?) [ 659.607349][T14651] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 659.607351][T14651] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 659.607354][T14651] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 659.607356][T14651] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 659.607360][T14651] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 659.607362][T14651] ? netdev_notice (net/core/dev.c:13194) [ 659.607364][T14651] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 659.607366][T14651] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 659.607369][T14651] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 659.607370][T14651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.607371][T14651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.607372][T14651] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 659.607374][T14651] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 659.607375][T14651] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 659.607377][T14651] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 659.607378][T14651] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 659.607380][T14651] ? register_netdev (net/core/dev.c:11618) [ 659.607381][T14651] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 659.607383][T14651] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 659.607386][T14651] ? __kernel_text_address (kernel/extable.c:79) [ 659.607388][T14651] ? write_profile (profile.c:?) [ 659.607391][T14651] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 659.607394][T14651] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 659.607396][T14651] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 659.607398][T14651] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 659.607399][T14651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.607401][T14651] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 659.607404][T14651] ? kasan_save_stack (mm/kasan/common.c:58) [ 659.607406][T14651] ? kasan_save_stack (mm/kasan/common.c:57) [ 659.607407][T14651] ? kasan_save_track (mm/kasan/common.c:78) [ 659.607408][T14651] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 659.607409][T14651] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 659.607410][T14651] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 659.607411][T14651] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 659.607413][T14651] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 659.607416][T14651] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 659.607418][T14651] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 659.607419][T14651] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 659.607422][T14651] ? ____sys_sendmsg (net/socket.c:2713) [ 659.607423][T14651] ? ___sys_sendmsg (net/socket.c:2767) [ 659.607425][T14651] ? __sys_sendmsg (net/socket.c:2799) [ 659.607426][T14651] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 659.607429][T14651] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 659.607431][T14651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.607433][T14651] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 659.607434][T14651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.607435][T14651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.607436][T14651] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 659.607438][T14651] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 659.607439][T14651] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 659.607440][T14651] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 659.607442][T14651] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 659.607443][T14651] ? nla_get_range_signed (lib/nlattr.c:270) [ 659.607446][T14651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.607448][T14651] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 659.607450][T14651] rtnl_newlink (net/core/rtnetlink.c:4215) [ 659.607452][T14651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.607453][T14651] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 659.607454][T14651] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 659.607456][T14651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.607457][T14651] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 659.607460][T14651] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 659.607461][T14651] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 659.607462][T14651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.607464][T14651] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 659.607467][T14651] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 659.607469][T14651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.607470][T14651] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 659.607472][T14651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.607473][T14651] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 659.607475][T14651] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 659.607476][T14651] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 659.607478][T14651] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 659.607479][T14651] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 659.607482][T14651] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 659.607483][T14651] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 659.607485][T14651] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 659.607486][T14651] ? netlink_ack (./include/linux/skbuff.h:2718) [ 659.607488][T14651] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 659.607491][T14651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.607492][T14651] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 659.607494][T14651] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 659.607496][T14651] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 659.607498][T14651] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 659.607500][T14651] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 659.607502][T14651] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 659.607503][T14651] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 659.607505][T14651] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 659.607507][T14651] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 659.607510][T14651] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 659.607512][T14651] ____sys_sendmsg (net/socket.c:2713) [ 659.607514][T14651] ? copy_msghdr_from_user (net/socket.c:2650) [ 659.607515][T14651] ? sock_write_iter (net/socket.c:1269) [ 659.607517][T14651] ? move_addr_to_kernel (net/socket.c:258) [ 659.607518][T14651] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 659.607521][T14651] ___sys_sendmsg (net/socket.c:2767) [ 659.607523][T14651] ? copy_msghdr_from_user (net/socket.c:2619) [ 659.607528][T14651] __sys_sendmsg (net/socket.c:2799) [ 659.607530][T14651] ? __sys_sendmsg_sock (net/socket.c:2780) [ 659.607533][T14651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 659.607535][T14651] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 659.607537][T14651] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 659.607540][T14651] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 659.607541][T14651] RIP: 0033:0x7f0ae43de54e [ 659.607543][T14651] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 659.607545][T14651] RSP: 002b:00007ffecc5b0610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 659.607548][T14651] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0ae43de54e [ 659.607550][T14651] RDX: 0000000000000000 RSI: 00007ffecc5b06c0 RDI: 0000000000000005 [ 659.607551][T14651] RBP: 00007ffecc5b0620 R08: 0000000000000000 R09: 0000000000000000 [ 659.607552][T14651] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190a4 [ 659.607553][T14651] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffecc5b0d80 | [ 660.660091][T14701] softirqs last disabled at (0): 0x0 | [ 660.660093][T14701] Preemption disabled at: | [ 660.660094][T14701] vprintk_emit (kernel/printk/printk.c:2471) | [ 660.660104][T14701] Tainted: [W]=WARN [ 660.660105][T14701] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 660.660106][T14701] Call Trace: [ 660.660108][T14701] [ 660.660109][T14701] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 660.660115][T14701] ? vprintk_emit (kernel/printk/printk.c:2471) [ 660.660116][T14701] __might_resched.cold (kernel/sched/core.c:9234) [ 660.660120][T14701] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 660.660122][T14701] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 660.660126][T14701] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.660128][T14701] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 660.660131][T14701] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 660.660134][T14701] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 660.660139][T14701] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 660.660141][T14701] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 660.660143][T14701] put_chars (drivers/char/virtio_console.c:1176) [ 660.660145][T14701] ? __send_to_port (drivers/char/virtio_console.c:654) [ 660.660147][T14701] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 660.660150][T14701] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 660.660155][T14701] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 660.660157][T14701] ? vsnprintf (lib/vsprintf.c:2900) [ 660.660160][T14701] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 660.660162][T14701] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.660163][T14701] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.660164][T14701] console_emit_next_record (kernel/printk/printk.c:3183) [ 660.660167][T14701] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 660.660169][T14701] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.660170][T14701] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.660171][T14701] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.660173][T14701] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 660.660175][T14701] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 660.660177][T14701] console_flush_one_record (kernel/printk/printk.c:3268) [ 660.660183][T14701] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 660.660186][T14701] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 660.660187][T14701] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 660.660189][T14701] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 660.660191][T14701] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.660192][T14701] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 660.660193][T14701] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 660.660195][T14701] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 660.660196][T14701] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 660.660199][T14701] ? vprintk_emit (kernel/printk/printk.c:2478) [ 660.660200][T14701] vprintk_emit (kernel/printk/printk.c:2479) [ 660.660202][T14701] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 660.660203][T14701] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 660.660205][T14701] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 660.660208][T14701] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 660.660209][T14701] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.660211][T14701] _printk (kernel/printk/printk.c:2504) [ 660.660214][T14701] ? snapshot_read.cold (user.c:?) [ 660.660216][T14701] ? br_multicast_flood (??:?) [ 660.660219][T14701] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 660.660222][T14701] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 660.660223][T14701] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 660.660225][T14701] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 660.660228][T14701] br_init_port (net/bridge/br_stp_if.c:39) [ 660.660230][T14701] new_nbp (net/bridge/br_if.c:449) [ 660.660232][T14701] br_add_if (net/bridge/br_if.c:592) [ 660.660234][T14701] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 660.660238][T14701] do_set_master (net/core/rtnetlink.c:3071) [ 660.660240][T14701] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 660.660242][T14701] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 660.660243][T14701] ? __dev_get_by_name (net/core/dev.c:905) [ 660.660245][T14701] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 660.660249][T14701] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 660.660251][T14701] rtnl_newlink (net/core/rtnetlink.c:4215) [ 660.660253][T14701] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.660255][T14701] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 660.660256][T14701] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 660.660258][T14701] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.660259][T14701] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 660.660261][T14701] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 660.660263][T14701] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 660.660265][T14701] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.660267][T14701] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 660.660268][T14701] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.660269][T14701] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 660.660271][T14701] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 660.660273][T14701] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 660.660274][T14701] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 660.660275][T14701] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 660.660279][T14701] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 660.660282][T14701] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 660.660284][T14701] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 660.660285][T14701] ? netlink_ack (./include/linux/skbuff.h:2718) [ 660.660287][T14701] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 660.660289][T14701] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.660291][T14701] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 660.660293][T14701] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 660.660295][T14701] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 660.660297][T14701] ? next_uptodate_folio (mm/filemap.c:3747) [ 660.660300][T14701] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 660.660302][T14701] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 660.660304][T14701] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 660.660306][T14701] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 660.660313][T14701] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 660.660316][T14701] ____sys_sendmsg (net/socket.c:2713) [ 660.660318][T14701] ? copy_msghdr_from_user (net/socket.c:2650) [ 660.660319][T14701] ? sock_write_iter (net/socket.c:1269) [ 660.660321][T14701] ? move_addr_to_kernel (net/socket.c:258) [ 660.660323][T14701] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 660.660326][T14701] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 660.660328][T14701] ___sys_sendmsg (net/socket.c:2767) [ 660.660329][T14701] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 660.660331][T14701] ? copy_msghdr_from_user (net/socket.c:2619) [ 660.660333][T14701] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 660.660337][T14701] __sys_sendmsg (net/socket.c:2799) [ 660.660340][T14701] ? __sys_sendmsg_sock (net/socket.c:2780) [ 660.660342][T14701] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.660343][T14701] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 660.660345][T14701] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 660.660347][T14701] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 660.660349][T14701] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 660.660351][T14701] RIP: 0033:0x7f151403d54e [ 660.660353][T14701] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 660.660355][T14701] RSP: 002b:00007ffcf0c62530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 660.660359][T14701] RAX: ffffffffffffffda RBX: 00007ffcf0c62cf8 RCX: 00007f151403d54e [ 660.660360][T14701] RDX: 0000000000000000 RSI: 00007ffcf0c625e0 RDI: 0000000000000005 [ 660.660361][T14701] RBP: 00007ffcf0c62540 R08: 0000000000000000 R09: 0000000000000000 [ 660.660362][T14701] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190a5 [ 660.660363][T14701] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf0c62cb0 | [ 666.724422][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 666.724425][ T69] Preemption disabled at: | [ 666.724426][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 666.724436][ T69] Tainted: [W]=WARN [ 666.724437][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 666.724439][ T69] Workqueue: netns cleanup_net [ 666.724444][ T69] Call Trace: [ 666.724446][ T69] [ 666.724448][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 666.724453][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 666.724455][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 666.724458][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 666.724460][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 666.724463][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 666.724466][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 666.724469][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 666.724472][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 666.724476][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 666.724478][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 666.724480][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 666.724482][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 666.724484][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 666.724487][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 666.724491][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 666.724493][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 666.724496][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 666.724498][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 666.724499][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 666.724500][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 666.724503][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 666.724505][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 666.724506][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 666.724507][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 666.724508][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 666.724511][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 666.724513][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 666.724515][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 666.724518][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 666.724520][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 666.724521][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 666.724523][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 666.724524][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 666.724526][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 666.724527][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 666.724529][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 666.724531][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 666.724532][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 666.724534][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 666.724536][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 666.724537][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 666.724540][ T69] ? kthread (kernel/kthread.c:436) [ 666.724542][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 666.724545][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 666.724547][ T69] _printk (kernel/printk/printk.c:2504) [ 666.724551][ T69] ? snapshot_read.cold (user.c:?) [ 666.724553][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 666.724556][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 666.724559][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 666.724561][ T69] ? netdev_notice (net/core/dev.c:13194) [ 666.724563][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 666.724564][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 666.724566][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 666.724569][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 666.724570][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 666.724571][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 666.724574][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 666.724576][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 666.724580][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 666.724582][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 666.724585][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 666.724587][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 666.724589][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 666.724592][ T69] cleanup_net (net/core/net_namespace.c:706) [ 666.724594][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 666.724596][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 666.724597][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 666.724599][ T69] process_one_work (kernel/workqueue.c:3387) [ 666.724602][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 666.724604][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 666.724607][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 666.724609][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 666.724611][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 666.724613][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 666.724615][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 666.724617][ T69] kthread (kernel/kthread.c:436) [ 666.724618][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 666.724620][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 666.724622][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 666.724624][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 666.724626][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 666.724629][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 666.724631][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 667.904877][T14839] softirqs last disabled at (0): 0x0 | [ 667.904879][T14839] Preemption disabled at: | [ 667.904879][T14839] vprintk_emit (kernel/printk/printk.c:2471) | [ 667.904890][T14839] Tainted: [W]=WARN [ 667.904891][T14839] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 667.904892][T14839] Call Trace: [ 667.904894][T14839] [ 667.904895][T14839] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 667.904901][T14839] ? vprintk_emit (kernel/printk/printk.c:2471) [ 667.904902][T14839] __might_resched.cold (kernel/sched/core.c:9234) [ 667.904906][T14839] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 667.904909][T14839] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 667.904912][T14839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 667.904915][T14839] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 667.904918][T14839] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 667.904921][T14839] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 667.904926][T14839] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 667.904928][T14839] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 667.904930][T14839] put_chars (drivers/char/virtio_console.c:1176) [ 667.904932][T14839] ? __send_to_port (drivers/char/virtio_console.c:654) [ 667.904934][T14839] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 667.904937][T14839] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 667.904941][T14839] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 667.904943][T14839] ? vsnprintf (lib/vsprintf.c:2900) [ 667.904946][T14839] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 667.904948][T14839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 667.904949][T14839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 667.904951][T14839] console_emit_next_record (kernel/printk/printk.c:3183) [ 667.904954][T14839] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 667.904956][T14839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 667.904957][T14839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 667.904958][T14839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 667.904959][T14839] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 667.904961][T14839] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 667.904963][T14839] console_flush_one_record (kernel/printk/printk.c:3268) [ 667.904966][T14839] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 667.904968][T14839] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 667.904970][T14839] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 667.904972][T14839] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 667.904974][T14839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 667.904975][T14839] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 667.904976][T14839] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 667.904978][T14839] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 667.904979][T14839] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 667.904981][T14839] ? vprintk_emit (kernel/printk/printk.c:2478) [ 667.904983][T14839] vprintk_emit (kernel/printk/printk.c:2479) [ 667.904985][T14839] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 667.904986][T14839] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 667.904988][T14839] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 667.904991][T14839] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 667.904992][T14839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 667.904994][T14839] _printk (kernel/printk/printk.c:2504) [ 667.904997][T14839] ? snapshot_read.cold (user.c:?) [ 667.904999][T14839] ? br_multicast_flood (??:?) [ 667.905002][T14839] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 667.905005][T14839] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 667.905006][T14839] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 667.905008][T14839] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 667.905011][T14839] br_init_port (net/bridge/br_stp_if.c:39) [ 667.905013][T14839] new_nbp (net/bridge/br_if.c:449) [ 667.905015][T14839] br_add_if (net/bridge/br_if.c:592) [ 667.905017][T14839] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 667.905021][T14839] do_set_master (net/core/rtnetlink.c:3071) [ 667.905023][T14839] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 667.905025][T14839] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 667.905026][T14839] ? __dev_get_by_name (net/core/dev.c:905) [ 667.905028][T14839] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 667.905032][T14839] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 667.905034][T14839] rtnl_newlink (net/core/rtnetlink.c:4215) [ 667.905036][T14839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 667.905038][T14839] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 667.905039][T14839] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 667.905040][T14839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 667.905042][T14839] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 667.905044][T14839] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 667.905046][T14839] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 667.905049][T14839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 667.905050][T14839] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 667.905051][T14839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 667.905053][T14839] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 667.905054][T14839] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 667.905056][T14839] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 667.905057][T14839] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 667.905059][T14839] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 667.905062][T14839] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 667.905066][T14839] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 667.905067][T14839] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 667.905069][T14839] ? netlink_ack (./include/linux/skbuff.h:2718) [ 667.905070][T14839] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 667.905073][T14839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 667.905075][T14839] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 667.905077][T14839] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 667.905079][T14839] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 667.905081][T14839] ? next_uptodate_folio (mm/filemap.c:3747) [ 667.905084][T14839] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 667.905086][T14839] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 667.905088][T14839] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 667.905090][T14839] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 667.905093][T14839] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 667.905096][T14839] ____sys_sendmsg (net/socket.c:2713) [ 667.905098][T14839] ? copy_msghdr_from_user (net/socket.c:2650) [ 667.905100][T14839] ? sock_write_iter (net/socket.c:1269) [ 667.905101][T14839] ? move_addr_to_kernel (net/socket.c:258) [ 667.905104][T14839] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 667.905106][T14839] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 667.905108][T14839] ___sys_sendmsg (net/socket.c:2767) [ 667.905110][T14839] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 667.905111][T14839] ? copy_msghdr_from_user (net/socket.c:2619) [ 667.905113][T14839] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 667.905118][T14839] __sys_sendmsg (net/socket.c:2799) [ 667.905120][T14839] ? __sys_sendmsg_sock (net/socket.c:2780) [ 667.905123][T14839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 667.905124][T14839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 667.905125][T14839] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 667.905128][T14839] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 667.905130][T14839] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 667.905132][T14839] RIP: 0033:0x7f5881efc54e [ 667.905134][T14839] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 667.905136][T14839] RSP: 002b:00007fffc3f45c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 667.905139][T14839] RAX: ffffffffffffffda RBX: 00007fffc3f463c8 RCX: 00007f5881efc54e [ 667.905141][T14839] RDX: 0000000000000000 RSI: 00007fffc3f45cb0 RDI: 0000000000000005 [ 667.905142][T14839] RBP: 00007fffc3f45c10 R08: 0000000000000000 R09: 0000000000000000 [ 667.905143][T14839] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190ad [ 667.905144][T14839] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc3f46380 | [ 669.204297][T14908] softirqs last disabled at (0): 0x0 | [ 669.204299][T14908] Preemption disabled at: | [ 669.204300][T14908] vprintk_emit (kernel/printk/printk.c:2471) | [ 669.204311][T14908] Tainted: [W]=WARN [ 669.204312][T14908] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 669.204313][T14908] Call Trace: [ 669.204315][T14908] [ 669.204316][T14908] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 669.204322][T14908] ? vprintk_emit (kernel/printk/printk.c:2471) [ 669.204323][T14908] __might_resched.cold (kernel/sched/core.c:9234) [ 669.204327][T14908] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 669.204330][T14908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.204333][T14908] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 669.204336][T14908] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 669.204339][T14908] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 669.204347][T14908] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 669.204349][T14908] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 669.204351][T14908] put_chars (drivers/char/virtio_console.c:1176) [ 669.204353][T14908] ? __send_to_port (drivers/char/virtio_console.c:654) [ 669.204354][T14908] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 669.204357][T14908] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 669.204359][T14908] ? pointer (lib/vsprintf.c:2577) [ 669.204362][T14908] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 669.204367][T14908] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 669.204369][T14908] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 669.204371][T14908] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 669.204374][T14908] console_emit_next_record (kernel/printk/printk.c:3183) [ 669.204376][T14908] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 669.204378][T14908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.204379][T14908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.204380][T14908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.204382][T14908] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 669.204384][T14908] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 669.204386][T14908] console_flush_one_record (kernel/printk/printk.c:3268) [ 669.204388][T14908] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 669.204391][T14908] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 669.204393][T14908] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 669.204394][T14908] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 669.204396][T14908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.204397][T14908] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 669.204399][T14908] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 669.204400][T14908] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 669.204402][T14908] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 669.204404][T14908] ? vprintk_emit (kernel/printk/printk.c:2478) [ 669.204405][T14908] vprintk_emit (kernel/printk/printk.c:2479) [ 669.204407][T14908] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 669.204408][T14908] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 669.204411][T14908] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 669.204414][T14908] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 669.204416][T14908] _printk (kernel/printk/printk.c:2504) [ 669.204419][T14908] ? snapshot_read.cold (user.c:?) [ 669.204421][T14908] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 669.204424][T14908] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 669.204427][T14908] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 669.204429][T14908] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 669.204432][T14908] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 669.204434][T14908] ? netdev_notice (net/core/dev.c:13194) [ 669.204436][T14908] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 669.204438][T14908] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 669.204441][T14908] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 669.204442][T14908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.204443][T14908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.204444][T14908] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 669.204446][T14908] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 669.204448][T14908] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 669.204449][T14908] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 669.204450][T14908] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 669.204452][T14908] ? register_netdev (net/core/dev.c:11618) [ 669.204453][T14908] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 669.204455][T14908] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 669.204458][T14908] ? __kernel_text_address (kernel/extable.c:79) [ 669.204460][T14908] ? write_profile (profile.c:?) [ 669.204463][T14908] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 669.204467][T14908] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 669.204468][T14908] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 669.204470][T14908] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 669.204471][T14908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.204472][T14908] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 669.204476][T14908] ? kasan_save_stack (mm/kasan/common.c:58) [ 669.204478][T14908] ? kasan_save_stack (mm/kasan/common.c:57) [ 669.204479][T14908] ? kasan_save_track (mm/kasan/common.c:78) [ 669.204480][T14908] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 669.204481][T14908] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 669.204482][T14908] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 669.204483][T14908] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 669.204485][T14908] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 669.204488][T14908] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 669.204489][T14908] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 669.204491][T14908] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 669.204494][T14908] ? ____sys_sendmsg (net/socket.c:2713) [ 669.204495][T14908] ? ___sys_sendmsg (net/socket.c:2767) [ 669.204497][T14908] ? __sys_sendmsg (net/socket.c:2799) [ 669.204498][T14908] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 669.204501][T14908] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 669.204503][T14908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.204504][T14908] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 669.204506][T14908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.204507][T14908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.204508][T14908] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 669.204510][T14908] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 669.204511][T14908] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 669.204512][T14908] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 669.204514][T14908] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 669.204515][T14908] ? nla_get_range_signed (lib/nlattr.c:270) [ 669.204519][T14908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.204520][T14908] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 669.204522][T14908] rtnl_newlink (net/core/rtnetlink.c:4215) [ 669.204524][T14908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.204525][T14908] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 669.204526][T14908] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 669.204528][T14908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.204529][T14908] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 669.204532][T14908] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 669.204533][T14908] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 669.204535][T14908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.204536][T14908] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 669.204540][T14908] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 669.204542][T14908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.204543][T14908] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 669.204545][T14908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.204546][T14908] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 669.204547][T14908] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 669.204549][T14908] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 669.204551][T14908] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 669.204552][T14908] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 669.204555][T14908] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 669.204556][T14908] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 669.204558][T14908] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 669.204559][T14908] ? netlink_ack (./include/linux/skbuff.h:2718) [ 669.204561][T14908] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 669.204564][T14908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.204565][T14908] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 669.204567][T14908] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 669.204569][T14908] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 669.204571][T14908] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 669.204573][T14908] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 669.204575][T14908] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 669.204577][T14908] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 669.204579][T14908] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 669.204580][T14908] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 669.204583][T14908] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 669.204585][T14908] ____sys_sendmsg (net/socket.c:2713) [ 669.204587][T14908] ? copy_msghdr_from_user (net/socket.c:2650) [ 669.204589][T14908] ? sock_write_iter (net/socket.c:1269) [ 669.204590][T14908] ? move_addr_to_kernel (net/socket.c:258) [ 669.204592][T14908] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 669.204594][T14908] ___sys_sendmsg (net/socket.c:2767) [ 669.204596][T14908] ? copy_msghdr_from_user (net/socket.c:2619) [ 669.204601][T14908] __sys_sendmsg (net/socket.c:2799) [ 669.204603][T14908] ? __sys_sendmsg_sock (net/socket.c:2780) [ 669.204606][T14908] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 669.204607][T14908] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 669.204609][T14908] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 669.204611][T14908] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 669.204612][T14908] RIP: 0033:0x7f1a8437f54e [ 669.204614][T14908] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 669.204616][T14908] RSP: 002b:00007fff5d55f2f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 669.204620][T14908] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1a8437f54e [ 669.204621][T14908] RDX: 0000000000000000 RSI: 00007fff5d55f3a0 RDI: 0000000000000005 [ 669.204622][T14908] RBP: 00007fff5d55f300 R08: 0000000000000000 R09: 0000000000000000 [ 669.204623][T14908] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190ae [ 669.204624][T14908] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5d55fa60 | [ 670.356448][T14965] softirqs last disabled at (0): 0x0 | [ 670.356450][T14965] Preemption disabled at: | [ 670.356451][T14965] vprintk_emit (kernel/printk/printk.c:2471) | [ 670.356461][T14965] Tainted: [W]=WARN [ 670.356462][T14965] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 670.356463][T14965] Call Trace: [ 670.356465][T14965] [ 670.356466][T14965] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 670.356472][T14965] ? vprintk_emit (kernel/printk/printk.c:2471) [ 670.356473][T14965] __might_resched.cold (kernel/sched/core.c:9234) [ 670.356477][T14965] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 670.356479][T14965] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 670.356482][T14965] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.356485][T14965] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 670.356488][T14965] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 670.356491][T14965] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 670.356495][T14965] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 670.356497][T14965] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 670.356500][T14965] put_chars (drivers/char/virtio_console.c:1176) [ 670.356502][T14965] ? __send_to_port (drivers/char/virtio_console.c:654) [ 670.356503][T14965] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 670.356506][T14965] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 670.356511][T14965] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 670.356512][T14965] ? vsnprintf (lib/vsprintf.c:2900) [ 670.356516][T14965] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 670.356517][T14965] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.356518][T14965] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.356520][T14965] console_emit_next_record (kernel/printk/printk.c:3183) [ 670.356523][T14965] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 670.356525][T14965] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.356526][T14965] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.356527][T14965] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.356528][T14965] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 670.356531][T14965] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 670.356533][T14965] console_flush_one_record (kernel/printk/printk.c:3268) [ 670.356536][T14965] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 670.356539][T14965] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 670.356540][T14965] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 670.356542][T14965] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 670.356544][T14965] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.356545][T14965] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 670.356546][T14965] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 670.356548][T14965] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 670.356549][T14965] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 670.356552][T14965] ? vprintk_emit (kernel/printk/printk.c:2478) [ 670.356553][T14965] vprintk_emit (kernel/printk/printk.c:2479) [ 670.356555][T14965] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 670.356556][T14965] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 670.356558][T14965] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 670.356561][T14965] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 670.356562][T14965] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.356564][T14965] _printk (kernel/printk/printk.c:2504) [ 670.356567][T14965] ? snapshot_read.cold (user.c:?) [ 670.356569][T14965] ? br_multicast_flood (??:?) [ 670.356572][T14965] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 670.356575][T14965] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 670.356576][T14965] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 670.356578][T14965] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 670.356581][T14965] br_init_port (net/bridge/br_stp_if.c:39) [ 670.356583][T14965] new_nbp (net/bridge/br_if.c:449) [ 670.356585][T14965] br_add_if (net/bridge/br_if.c:592) [ 670.356587][T14965] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 670.356591][T14965] do_set_master (net/core/rtnetlink.c:3071) [ 670.356593][T14965] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 670.356595][T14965] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 670.356596][T14965] ? __dev_get_by_name (net/core/dev.c:905) [ 670.356598][T14965] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 670.356601][T14965] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 670.356604][T14965] rtnl_newlink (net/core/rtnetlink.c:4215) [ 670.356606][T14965] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.356607][T14965] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 670.356608][T14965] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 670.356610][T14965] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.356611][T14965] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 670.356614][T14965] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 670.356616][T14965] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 670.356618][T14965] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.356619][T14965] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 670.356621][T14965] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.356622][T14965] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 670.356623][T14965] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 670.356625][T14965] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 670.356627][T14965] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 670.356628][T14965] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 670.356632][T14965] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 670.356635][T14965] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 670.356636][T14965] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 670.356638][T14965] ? netlink_ack (./include/linux/skbuff.h:2718) [ 670.356640][T14965] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 670.356643][T14965] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.356644][T14965] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 670.356646][T14965] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 670.356648][T14965] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 670.356650][T14965] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 670.356652][T14965] ? kasan_save_stack (mm/kasan/common.c:58) [ 670.356655][T14965] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 670.356657][T14965] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 670.356659][T14965] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 670.356660][T14965] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 670.356664][T14965] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 670.356666][T14965] ____sys_sendmsg (net/socket.c:2713) [ 670.356668][T14965] ? copy_msghdr_from_user (net/socket.c:2650) [ 670.356670][T14965] ? sock_write_iter (net/socket.c:1269) [ 670.356671][T14965] ? move_addr_to_kernel (net/socket.c:258) [ 670.356673][T14965] ? pick_eevdf (kernel/sched/fair.c:969 kernel/sched/fair.c:1208) [ 670.356676][T14965] ? __resched_curr (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:28 ./include/linux/thread_info.h:104 kernel/sched/core.c:1217) [ 670.356678][T14965] ___sys_sendmsg (net/socket.c:2767) [ 670.356680][T14965] ? copy_msghdr_from_user (net/socket.c:2619) [ 670.356683][T14965] ? update_load_avg (kernel/sched/fair.c:5864) [ 670.356684][T14965] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.356686][T14965] ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 22)) [ 670.356688][T14965] ? __schedule (kernel/sched/core.c:7277) [ 670.356692][T14965] __sys_sendmsg (net/socket.c:2799) [ 670.356694][T14965] ? __sys_sendmsg_sock (net/socket.c:2780) [ 670.356696][T14965] ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79) [ 670.356699][T14965] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.356700][T14965] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 670.356701][T14965] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 670.356704][T14965] ? irq_exit_rcu (kernel/softirq.c:786) [ 670.356706][T14965] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 670.356708][T14965] RIP: 0033:0x7fc19dc3754e [ 670.356710][T14965] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 670.356712][T14965] RSP: 002b:00007ffccd741120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 670.356716][T14965] RAX: ffffffffffffffda RBX: 00007ffccd7418e8 RCX: 00007fc19dc3754e [ 670.356717][T14965] RDX: 0000000000000000 RSI: 00007ffccd7411d0 RDI: 0000000000000005 [ 670.356718][T14965] RBP: 00007ffccd741130 R08: 0000000000000000 R09: 0000000000000000 [ 670.356719][T14965] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190af [ 670.356720][T14965] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffccd7418a0 | [ 676.456195][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 676.456198][ T69] Preemption disabled at: | [ 676.456199][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 676.456212][ T69] Tainted: [W]=WARN [ 676.456214][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 676.456217][ T69] Workqueue: netns cleanup_net [ 676.456223][ T69] Call Trace: [ 676.456225][ T69] [ 676.456228][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 676.456235][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 676.456237][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 676.456241][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 676.456245][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 676.456249][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 676.456253][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 676.456257][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 676.456260][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 676.456266][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 676.456269][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 676.456272][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 676.456275][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 676.456278][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 676.456282][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 676.456289][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 676.456291][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 676.456294][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 676.456297][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 676.456299][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 676.456302][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 676.456306][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 676.456309][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 676.456311][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 676.456313][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 676.456315][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 676.456319][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 676.456322][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 676.456325][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 676.456330][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 676.456332][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 676.456335][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 676.456338][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 676.456340][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 676.456342][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 676.456345][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 676.456348][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 676.456351][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 676.456353][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 676.456356][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 676.456358][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 676.456361][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 676.456364][ T69] ? kthread (kernel/kthread.c:436) [ 676.456371][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 676.456375][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 676.456379][ T69] _printk (kernel/printk/printk.c:2504) [ 676.456383][ T69] ? snapshot_read.cold (user.c:?) [ 676.456387][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 676.456391][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 676.456394][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 676.456397][ T69] ? netdev_notice (net/core/dev.c:13194) [ 676.456401][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 676.456403][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 676.456405][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 676.456409][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 676.456411][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 676.456414][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 676.456418][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 676.456422][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 676.456427][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 676.456430][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 676.456434][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 676.456438][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 676.456441][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 676.456445][ T69] cleanup_net (net/core/net_namespace.c:706) [ 676.456448][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 676.456451][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 676.456454][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 676.456457][ T69] process_one_work (kernel/workqueue.c:3387) [ 676.456461][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 676.456465][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 676.456469][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 676.456473][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 676.456476][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 676.456478][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 676.456481][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 676.456484][ T69] kthread (kernel/kthread.c:436) [ 676.456486][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 676.456489][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 676.456492][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 676.456495][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 676.456498][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 676.456502][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 676.456505][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 677.809060][T15103] softirqs last disabled at (0): 0x0 | [ 677.809063][T15103] Preemption disabled at: | [ 677.809065][T15103] vprintk_emit (kernel/printk/printk.c:2471) | [ 677.809078][T15103] Tainted: [W]=WARN [ 677.809079][T15103] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 677.809081][T15103] Call Trace: [ 677.809083][T15103] [ 677.809085][T15103] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 677.809093][T15103] ? vprintk_emit (kernel/printk/printk.c:2471) [ 677.809095][T15103] __might_resched.cold (kernel/sched/core.c:9234) [ 677.809099][T15103] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 677.809102][T15103] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 677.809107][T15103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.809110][T15103] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 677.809114][T15103] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 677.809118][T15103] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 677.809124][T15103] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 677.809127][T15103] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 677.809131][T15103] put_chars (drivers/char/virtio_console.c:1176) [ 677.809134][T15103] ? __send_to_port (drivers/char/virtio_console.c:654) [ 677.809136][T15103] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 677.809141][T15103] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 677.809147][T15103] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 677.809150][T15103] ? vsnprintf (lib/vsprintf.c:2900) [ 677.809154][T15103] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 677.809156][T15103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.809158][T15103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.809162][T15103] console_emit_next_record (kernel/printk/printk.c:3183) [ 677.809166][T15103] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 677.809169][T15103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.809171][T15103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.809172][T15103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.809175][T15103] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 677.809181][T15103] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 677.809183][T15103] console_flush_one_record (kernel/printk/printk.c:3268) [ 677.809187][T15103] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 677.809192][T15103] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 677.809194][T15103] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 677.809197][T15103] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 677.809200][T15103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.809202][T15103] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 677.809204][T15103] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 677.809207][T15103] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 677.809209][T15103] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 677.809212][T15103] ? vprintk_emit (kernel/printk/printk.c:2478) [ 677.809215][T15103] vprintk_emit (kernel/printk/printk.c:2479) [ 677.809218][T15103] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 677.809220][T15103] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 677.809223][T15103] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 677.809227][T15103] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 677.809229][T15103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.809232][T15103] _printk (kernel/printk/printk.c:2504) [ 677.809236][T15103] ? snapshot_read.cold (user.c:?) [ 677.809240][T15103] ? br_multicast_flood (??:?) [ 677.809244][T15103] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 677.809248][T15103] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 677.809250][T15103] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 677.809253][T15103] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 677.809257][T15103] br_init_port (net/bridge/br_stp_if.c:39) [ 677.809260][T15103] new_nbp (net/bridge/br_if.c:449) [ 677.809264][T15103] br_add_if (net/bridge/br_if.c:592) [ 677.809266][T15103] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 677.809273][T15103] do_set_master (net/core/rtnetlink.c:3071) [ 677.809276][T15103] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 677.809279][T15103] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 677.809281][T15103] ? __dev_get_by_name (net/core/dev.c:905) [ 677.809284][T15103] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 677.809290][T15103] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 677.809294][T15103] rtnl_newlink (net/core/rtnetlink.c:4215) [ 677.809298][T15103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.809300][T15103] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 677.809302][T15103] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 677.809304][T15103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.809307][T15103] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 677.809310][T15103] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 677.809313][T15103] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 677.809316][T15103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.809318][T15103] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 677.809321][T15103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.809323][T15103] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 677.809325][T15103] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 677.809329][T15103] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 677.809331][T15103] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 677.809334][T15103] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 677.809339][T15103] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 677.809343][T15103] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 677.809346][T15103] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 677.809348][T15103] ? netlink_ack (./include/linux/skbuff.h:2718) [ 677.809351][T15103] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 677.809355][T15103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.809357][T15103] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 677.809361][T15103] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 677.809364][T15103] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 677.809367][T15103] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 677.809371][T15103] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 677.809379][T15103] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 677.809382][T15103] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 677.809386][T15103] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 677.809388][T15103] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 677.809393][T15103] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 677.809397][T15103] ____sys_sendmsg (net/socket.c:2713) [ 677.809400][T15103] ? copy_msghdr_from_user (net/socket.c:2650) [ 677.809402][T15103] ? sock_write_iter (net/socket.c:1269) [ 677.809405][T15103] ? move_addr_to_kernel (net/socket.c:258) [ 677.809408][T15103] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 677.809412][T15103] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 677.809415][T15103] ___sys_sendmsg (net/socket.c:2767) [ 677.809418][T15103] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 677.809420][T15103] ? copy_msghdr_from_user (net/socket.c:2619) [ 677.809423][T15103] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 677.809431][T15103] __sys_sendmsg (net/socket.c:2799) [ 677.809434][T15103] ? __sys_sendmsg_sock (net/socket.c:2780) [ 677.809438][T15103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.809440][T15103] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 677.809443][T15103] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 677.809446][T15103] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 677.809449][T15103] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 677.809452][T15103] RIP: 0033:0x7fa4c7ed154e [ 677.809455][T15103] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 677.809458][T15103] RSP: 002b:00007ffee9e39a90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 677.809463][T15103] RAX: ffffffffffffffda RBX: 00007ffee9e3a258 RCX: 00007fa4c7ed154e [ 677.809465][T15103] RDX: 0000000000000000 RSI: 00007ffee9e39b40 RDI: 0000000000000005 [ 677.809467][T15103] RBP: 00007ffee9e39aa0 R08: 0000000000000000 R09: 0000000000000000 [ 677.809468][T15103] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190b7 [ 677.809470][T15103] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee9e3a210 | [ 679.329917][T15172] softirqs last disabled at (0): 0x0 | [ 679.329919][T15172] Preemption disabled at: | [ 679.329919][T15172] vprintk_emit (kernel/printk/printk.c:2471) | [ 679.329929][T15172] Tainted: [W]=WARN [ 679.329930][T15172] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 679.329932][T15172] Call Trace: [ 679.329933][T15172] [ 679.329935][T15172] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 679.329940][T15172] ? vprintk_emit (kernel/printk/printk.c:2471) [ 679.329942][T15172] __might_resched.cold (kernel/sched/core.c:9234) [ 679.329945][T15172] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 679.329949][T15172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 679.329952][T15172] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 679.329955][T15172] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 679.329958][T15172] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 679.329963][T15172] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 679.329965][T15172] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 679.329967][T15172] put_chars (drivers/char/virtio_console.c:1176) [ 679.329969][T15172] ? __send_to_port (drivers/char/virtio_console.c:654) [ 679.329970][T15172] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 679.329973][T15172] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 679.329975][T15172] ? pointer (lib/vsprintf.c:2577) [ 679.329978][T15172] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 679.329983][T15172] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 679.329985][T15172] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 679.329987][T15172] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 679.329989][T15172] console_emit_next_record (kernel/printk/printk.c:3183) [ 679.329992][T15172] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 679.329994][T15172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 679.329996][T15172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 679.329997][T15172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 679.329998][T15172] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 679.330000][T15172] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 679.330002][T15172] console_flush_one_record (kernel/printk/printk.c:3268) [ 679.330004][T15172] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 679.330007][T15172] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 679.330009][T15172] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 679.330011][T15172] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 679.330012][T15172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 679.330013][T15172] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 679.330015][T15172] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 679.330017][T15172] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 679.330018][T15172] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 679.330020][T15172] ? vprintk_emit (kernel/printk/printk.c:2478) [ 679.330022][T15172] vprintk_emit (kernel/printk/printk.c:2479) [ 679.330024][T15172] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 679.330025][T15172] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 679.330027][T15172] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 679.330030][T15172] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 679.330033][T15172] _printk (kernel/printk/printk.c:2504) [ 679.330036][T15172] ? snapshot_read.cold (user.c:?) [ 679.330038][T15172] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 679.330040][T15172] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 679.330043][T15172] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 679.330045][T15172] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 679.330048][T15172] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 679.330051][T15172] ? netdev_notice (net/core/dev.c:13194) [ 679.330053][T15172] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 679.330055][T15172] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 679.330057][T15172] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 679.330059][T15172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 679.330060][T15172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 679.330061][T15172] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 679.330062][T15172] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 679.330064][T15172] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 679.330065][T15172] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 679.330067][T15172] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 679.330069][T15172] ? register_netdev (net/core/dev.c:11618) [ 679.330070][T15172] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 679.330072][T15172] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 679.330075][T15172] ? __kernel_text_address (kernel/extable.c:79) [ 679.330078][T15172] ? write_profile (profile.c:?) [ 679.330081][T15172] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 679.330084][T15172] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 679.330086][T15172] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 679.330088][T15172] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 679.330089][T15172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 679.330090][T15172] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 679.330094][T15172] ? kasan_save_stack (mm/kasan/common.c:58) [ 679.330096][T15172] ? kasan_save_stack (mm/kasan/common.c:57) [ 679.330097][T15172] ? kasan_save_track (mm/kasan/common.c:78) [ 679.330098][T15172] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 679.330099][T15172] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 679.330100][T15172] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 679.330102][T15172] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 679.330103][T15172] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 679.330106][T15172] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 679.330108][T15172] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 679.330109][T15172] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 679.330112][T15172] ? ____sys_sendmsg (net/socket.c:2713) [ 679.330114][T15172] ? ___sys_sendmsg (net/socket.c:2767) [ 679.330115][T15172] ? __sys_sendmsg (net/socket.c:2799) [ 679.330117][T15172] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 679.330119][T15172] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 679.330122][T15172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 679.330123][T15172] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 679.330125][T15172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 679.330126][T15172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 679.330127][T15172] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 679.330129][T15172] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 679.330130][T15172] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 679.330132][T15172] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 679.330134][T15172] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 679.330135][T15172] ? nla_get_range_signed (lib/nlattr.c:270) [ 679.330138][T15172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 679.330140][T15172] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 679.330142][T15172] rtnl_newlink (net/core/rtnetlink.c:4215) [ 679.330144][T15172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 679.330145][T15172] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 679.330147][T15172] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 679.330148][T15172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 679.330150][T15172] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 679.330152][T15172] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 679.330153][T15172] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 679.330155][T15172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 679.330156][T15172] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 679.330160][T15172] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 679.330162][T15172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 679.330163][T15172] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 679.330165][T15172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 679.330166][T15172] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 679.330168][T15172] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 679.330169][T15172] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 679.330171][T15172] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 679.330172][T15172] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 679.330175][T15172] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 679.330177][T15172] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 679.330181][T15172] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 679.330183][T15172] ? netlink_ack (./include/linux/skbuff.h:2718) [ 679.330184][T15172] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 679.330187][T15172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 679.330188][T15172] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 679.330190][T15172] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 679.330193][T15172] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 679.330195][T15172] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 679.330197][T15172] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 679.330199][T15172] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 679.330201][T15172] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 679.330202][T15172] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 679.330204][T15172] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 679.330207][T15172] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 679.330209][T15172] ____sys_sendmsg (net/socket.c:2713) [ 679.330211][T15172] ? copy_msghdr_from_user (net/socket.c:2650) [ 679.330213][T15172] ? sock_write_iter (net/socket.c:1269) [ 679.330214][T15172] ? move_addr_to_kernel (net/socket.c:258) [ 679.330216][T15172] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 679.330219][T15172] ___sys_sendmsg (net/socket.c:2767) [ 679.330221][T15172] ? copy_msghdr_from_user (net/socket.c:2619) [ 679.330226][T15172] __sys_sendmsg (net/socket.c:2799) [ 679.330228][T15172] ? __sys_sendmsg_sock (net/socket.c:2780) [ 679.330230][T15172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 679.330232][T15172] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 679.330234][T15172] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 679.330236][T15172] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 679.330237][T15172] RIP: 0033:0x7f60bbb9354e [ 679.330239][T15172] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 679.330241][T15172] RSP: 002b:00007ffec17d56b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 679.330245][T15172] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f60bbb9354e [ 679.330247][T15172] RDX: 0000000000000000 RSI: 00007ffec17d5760 RDI: 0000000000000005 [ 679.330248][T15172] RBP: 00007ffec17d56c0 R08: 0000000000000000 R09: 0000000000000000 [ 679.330248][T15172] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190b8 [ 679.330249][T15172] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec17d5e20 | [ 680.444782][T15222] softirqs last disabled at (0): 0x0 | [ 680.444784][T15222] Preemption disabled at: | [ 680.444785][T15222] vprintk_emit (kernel/printk/printk.c:2471) | [ 680.444795][T15222] Tainted: [W]=WARN [ 680.444796][T15222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 680.444798][T15222] Call Trace: [ 680.444799][T15222] [ 680.444800][T15222] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 680.444806][T15222] ? vprintk_emit (kernel/printk/printk.c:2471) [ 680.444808][T15222] __might_resched.cold (kernel/sched/core.c:9234) [ 680.444811][T15222] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 680.444813][T15222] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 680.444817][T15222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 680.444819][T15222] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 680.444822][T15222] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 680.444825][T15222] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 680.444830][T15222] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 680.444831][T15222] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 680.444834][T15222] put_chars (drivers/char/virtio_console.c:1176) [ 680.444836][T15222] ? __send_to_port (drivers/char/virtio_console.c:654) [ 680.444838][T15222] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 680.444840][T15222] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 680.444845][T15222] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 680.444846][T15222] ? vsnprintf (lib/vsprintf.c:2900) [ 680.444850][T15222] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 680.444851][T15222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 680.444852][T15222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 680.444854][T15222] console_emit_next_record (kernel/printk/printk.c:3183) [ 680.444857][T15222] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 680.444859][T15222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 680.444860][T15222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 680.444861][T15222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 680.444862][T15222] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 680.444864][T15222] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 680.444866][T15222] console_flush_one_record (kernel/printk/printk.c:3268) [ 680.444868][T15222] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 680.444871][T15222] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 680.444873][T15222] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 680.444875][T15222] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 680.444876][T15222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 680.444877][T15222] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 680.444879][T15222] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 680.444880][T15222] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 680.444882][T15222] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 680.444884][T15222] ? vprintk_emit (kernel/printk/printk.c:2478) [ 680.444885][T15222] vprintk_emit (kernel/printk/printk.c:2479) [ 680.444887][T15222] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 680.444888][T15222] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 680.444890][T15222] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 680.444893][T15222] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 680.444894][T15222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 680.444896][T15222] _printk (kernel/printk/printk.c:2504) [ 680.444899][T15222] ? snapshot_read.cold (user.c:?) [ 680.444901][T15222] ? br_multicast_flood (??:?) [ 680.444904][T15222] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 680.444907][T15222] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 680.444909][T15222] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 680.444911][T15222] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 680.444913][T15222] br_init_port (net/bridge/br_stp_if.c:39) [ 680.444915][T15222] new_nbp (net/bridge/br_if.c:449) [ 680.444917][T15222] br_add_if (net/bridge/br_if.c:592) [ 680.444919][T15222] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 680.444923][T15222] do_set_master (net/core/rtnetlink.c:3071) [ 680.444925][T15222] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 680.444927][T15222] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 680.444928][T15222] ? __dev_get_by_name (net/core/dev.c:905) [ 680.444930][T15222] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 680.444933][T15222] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 680.444936][T15222] rtnl_newlink (net/core/rtnetlink.c:4215) [ 680.444938][T15222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 680.444939][T15222] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 680.444940][T15222] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 680.444942][T15222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 680.444943][T15222] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 680.444946][T15222] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 680.444947][T15222] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 680.444950][T15222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 680.444951][T15222] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 680.444952][T15222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 680.444953][T15222] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 680.444955][T15222] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 680.444956][T15222] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 680.444958][T15222] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 680.444959][T15222] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 680.444963][T15222] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 680.444966][T15222] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 680.444968][T15222] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 680.444969][T15222] ? netlink_ack (./include/linux/skbuff.h:2718) [ 680.444971][T15222] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 680.444974][T15222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 680.444975][T15222] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 680.444977][T15222] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 680.444979][T15222] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 680.444981][T15222] ? next_uptodate_folio (mm/filemap.c:3747) [ 680.444984][T15222] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 680.444986][T15222] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 680.444988][T15222] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 680.444990][T15222] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 680.444993][T15222] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 680.444996][T15222] ____sys_sendmsg (net/socket.c:2713) [ 680.444998][T15222] ? copy_msghdr_from_user (net/socket.c:2650) [ 680.445000][T15222] ? sock_write_iter (net/socket.c:1269) [ 680.445001][T15222] ? move_addr_to_kernel (net/socket.c:258) [ 680.445004][T15222] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 680.445006][T15222] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 680.445008][T15222] ___sys_sendmsg (net/socket.c:2767) [ 680.445010][T15222] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 680.445011][T15222] ? copy_msghdr_from_user (net/socket.c:2619) [ 680.445013][T15222] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 680.445018][T15222] __sys_sendmsg (net/socket.c:2799) [ 680.445020][T15222] ? __sys_sendmsg_sock (net/socket.c:2780) [ 680.445023][T15222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 680.445024][T15222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 680.445025][T15222] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 680.445028][T15222] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 680.445030][T15222] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 680.445032][T15222] RIP: 0033:0x7fb852b5954e [ 680.445034][T15222] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 680.445036][T15222] RSP: 002b:00007fffcd153bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 680.445039][T15222] RAX: ffffffffffffffda RBX: 00007fffcd154388 RCX: 00007fb852b5954e [ 680.445041][T15222] RDX: 0000000000000000 RSI: 00007fffcd153c70 RDI: 0000000000000005 [ 680.445042][T15222] RBP: 00007fffcd153bd0 R08: 0000000000000000 R09: 0000000000000000 [ 680.445042][T15222] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190b9 [ 680.445043][T15222] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffcd154340 | [ 689.971135][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 689.971137][ T69] Preemption disabled at: | [ 689.971138][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 689.971149][ T69] Tainted: [W]=WARN [ 689.971150][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 689.971151][ T69] Workqueue: netns cleanup_net [ 689.971157][ T69] Call Trace: [ 689.971158][ T69] [ 689.971160][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 689.971166][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 689.971167][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 689.971171][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 689.971173][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 689.971176][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 689.971181][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 689.971184][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 689.971187][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 689.971191][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 689.971193][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 689.971196][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 689.971198][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 689.971199][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 689.971202][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 689.971206][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 689.971208][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 689.971211][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 689.971213][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 689.971214][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 689.971216][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 689.971218][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 689.971221][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 689.971222][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 689.971223][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 689.971224][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 689.971226][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 689.971228][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 689.971231][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 689.971233][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 689.971235][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 689.971237][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 689.971239][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 689.971240][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 689.971241][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 689.971243][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 689.971244][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 689.971247][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 689.971248][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 689.971250][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 689.971251][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 689.971252][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 689.971255][ T69] ? kthread (kernel/kthread.c:436) [ 689.971257][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 689.971260][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 689.971263][ T69] _printk (kernel/printk/printk.c:2504) [ 689.971266][ T69] ? snapshot_read.cold (user.c:?) [ 689.971268][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 689.971272][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 689.971274][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 689.971276][ T69] ? netdev_notice (net/core/dev.c:13194) [ 689.971279][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 689.971280][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 689.971281][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 689.971284][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 689.971286][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 689.971287][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 689.971289][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 689.971292][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 689.971296][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 689.971298][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 689.971301][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 689.971303][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 689.971305][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 689.971308][ T69] cleanup_net (net/core/net_namespace.c:706) [ 689.971309][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 689.971312][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 689.971313][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 689.971315][ T69] process_one_work (kernel/workqueue.c:3387) [ 689.971318][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 689.971320][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 689.971323][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 689.971325][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 689.971327][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 689.971329][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 689.971331][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 689.971333][ T69] kthread (kernel/kthread.c:436) [ 689.971334][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 689.971336][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 689.971338][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 689.971340][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 689.971342][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 689.971344][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 689.971346][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 691.166713][T15478] softirqs last disabled at (0): 0x0 | [ 691.166715][T15478] Preemption disabled at: | [ 691.166716][T15478] vprintk_emit (kernel/printk/printk.c:2471) | [ 691.166726][T15478] Tainted: [W]=WARN [ 691.166727][T15478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 691.166729][T15478] Call Trace: [ 691.166730][T15478] [ 691.166731][T15478] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 691.166737][T15478] ? vprintk_emit (kernel/printk/printk.c:2471) [ 691.166739][T15478] __might_resched.cold (kernel/sched/core.c:9234) [ 691.166742][T15478] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 691.166745][T15478] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 691.166748][T15478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 691.166750][T15478] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 691.166753][T15478] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 691.166757][T15478] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 691.166762][T15478] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 691.166763][T15478] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 691.166766][T15478] put_chars (drivers/char/virtio_console.c:1176) [ 691.166768][T15478] ? __send_to_port (drivers/char/virtio_console.c:654) [ 691.166769][T15478] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 691.166772][T15478] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 691.166777][T15478] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 691.166779][T15478] ? vsnprintf (lib/vsprintf.c:2900) [ 691.166782][T15478] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 691.166784][T15478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 691.166785][T15478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 691.166787][T15478] console_emit_next_record (kernel/printk/printk.c:3183) [ 691.166789][T15478] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 691.166791][T15478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 691.166792][T15478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 691.166794][T15478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 691.166795][T15478] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 691.166797][T15478] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 691.166799][T15478] console_flush_one_record (kernel/printk/printk.c:3268) [ 691.166802][T15478] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 691.166805][T15478] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 691.166806][T15478] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 691.166808][T15478] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 691.166810][T15478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 691.166811][T15478] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 691.166813][T15478] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 691.166814][T15478] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 691.166816][T15478] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 691.166818][T15478] ? vprintk_emit (kernel/printk/printk.c:2478) [ 691.166819][T15478] vprintk_emit (kernel/printk/printk.c:2479) [ 691.166821][T15478] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 691.166823][T15478] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 691.166824][T15478] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 691.166827][T15478] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 691.166829][T15478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 691.166830][T15478] _printk (kernel/printk/printk.c:2504) [ 691.166834][T15478] ? snapshot_read.cold (user.c:?) [ 691.166836][T15478] ? br_multicast_flood (??:?) [ 691.166839][T15478] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 691.166842][T15478] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 691.166843][T15478] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 691.166845][T15478] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 691.166848][T15478] br_init_port (net/bridge/br_stp_if.c:39) [ 691.166850][T15478] new_nbp (net/bridge/br_if.c:449) [ 691.166852][T15478] br_add_if (net/bridge/br_if.c:592) [ 691.166854][T15478] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 691.166858][T15478] do_set_master (net/core/rtnetlink.c:3071) [ 691.166860][T15478] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 691.166862][T15478] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 691.166863][T15478] ? __dev_get_by_name (net/core/dev.c:905) [ 691.166865][T15478] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 691.166868][T15478] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 691.166871][T15478] rtnl_newlink (net/core/rtnetlink.c:4215) [ 691.166873][T15478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 691.166874][T15478] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 691.166876][T15478] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 691.166877][T15478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 691.166879][T15478] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 691.166881][T15478] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 691.166883][T15478] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 691.166885][T15478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 691.166886][T15478] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 691.166888][T15478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 691.166889][T15478] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 691.166891][T15478] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 691.166892][T15478] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 691.166894][T15478] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 691.166895][T15478] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 691.166899][T15478] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 691.166902][T15478] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 691.166903][T15478] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 691.166905][T15478] ? netlink_ack (./include/linux/skbuff.h:2718) [ 691.166907][T15478] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 691.166910][T15478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 691.166911][T15478] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 691.166913][T15478] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 691.166915][T15478] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 691.166917][T15478] ? next_uptodate_folio (mm/filemap.c:3747) [ 691.166920][T15478] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 691.166923][T15478] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 691.166925][T15478] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 691.166926][T15478] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 691.166930][T15478] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 691.166932][T15478] ____sys_sendmsg (net/socket.c:2713) [ 691.166934][T15478] ? copy_msghdr_from_user (net/socket.c:2650) [ 691.166936][T15478] ? sock_write_iter (net/socket.c:1269) [ 691.166938][T15478] ? move_addr_to_kernel (net/socket.c:258) [ 691.166940][T15478] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 691.166942][T15478] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 691.166944][T15478] ___sys_sendmsg (net/socket.c:2767) [ 691.166946][T15478] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 691.166948][T15478] ? copy_msghdr_from_user (net/socket.c:2619) [ 691.166949][T15478] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 691.166954][T15478] __sys_sendmsg (net/socket.c:2799) [ 691.166956][T15478] ? __sys_sendmsg_sock (net/socket.c:2780) [ 691.166959][T15478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 691.166960][T15478] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 691.166962][T15478] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 691.166964][T15478] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 691.166966][T15478] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 691.166968][T15478] RIP: 0033:0x7f738739554e [ 691.166970][T15478] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 691.166972][T15478] RSP: 002b:00007ffdf3036140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 691.166976][T15478] RAX: ffffffffffffffda RBX: 00007ffdf3036908 RCX: 00007f738739554e [ 691.166977][T15478] RDX: 0000000000000000 RSI: 00007ffdf30361f0 RDI: 0000000000000005 [ 691.166978][T15478] RBP: 00007ffdf3036150 R08: 0000000000000000 R09: 0000000000000000 [ 691.166979][T15478] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190c4 [ 691.166980][T15478] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf30368c0 | [ 692.478972][T15547] softirqs last disabled at (0): 0x0 | [ 692.478974][T15547] Preemption disabled at: | [ 692.478974][T15547] vprintk_emit (kernel/printk/printk.c:2471) | [ 692.478984][T15547] Tainted: [W]=WARN [ 692.478986][T15547] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 692.478987][T15547] Call Trace: [ 692.478989][T15547] [ 692.478990][T15547] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 692.478996][T15547] ? vprintk_emit (kernel/printk/printk.c:2471) [ 692.478997][T15547] __might_resched.cold (kernel/sched/core.c:9234) [ 692.479001][T15547] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 692.479004][T15547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.479007][T15547] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 692.479010][T15547] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 692.479013][T15547] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 692.479018][T15547] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 692.479019][T15547] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 692.479022][T15547] put_chars (drivers/char/virtio_console.c:1176) [ 692.479024][T15547] ? __send_to_port (drivers/char/virtio_console.c:654) [ 692.479025][T15547] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 692.479027][T15547] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 692.479029][T15547] ? pointer (lib/vsprintf.c:2577) [ 692.479033][T15547] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 692.479038][T15547] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 692.479039][T15547] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 692.479041][T15547] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 692.479044][T15547] console_emit_next_record (kernel/printk/printk.c:3183) [ 692.479046][T15547] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 692.479048][T15547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.479050][T15547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.479051][T15547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.479052][T15547] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 692.479054][T15547] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 692.479056][T15547] console_flush_one_record (kernel/printk/printk.c:3268) [ 692.479058][T15547] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 692.479061][T15547] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 692.479062][T15547] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 692.479064][T15547] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 692.479066][T15547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.479067][T15547] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 692.479068][T15547] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 692.479070][T15547] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 692.479071][T15547] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 692.479073][T15547] ? vprintk_emit (kernel/printk/printk.c:2478) [ 692.479075][T15547] vprintk_emit (kernel/printk/printk.c:2479) [ 692.479077][T15547] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 692.479078][T15547] ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12) [ 692.479080][T15547] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 692.479083][T15547] _printk (kernel/printk/printk.c:2504) [ 692.479086][T15547] ? snapshot_read.cold (user.c:?) [ 692.479088][T15547] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 692.479090][T15547] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 692.479093][T15547] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 692.479095][T15547] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 692.479098][T15547] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 692.479100][T15547] ? netdev_notice (net/core/dev.c:13194) [ 692.479102][T15547] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 692.479104][T15547] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 692.479107][T15547] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 692.479108][T15547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.479109][T15547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.479110][T15547] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 692.479113][T15547] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 692.479115][T15547] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 692.479116][T15547] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 692.479118][T15547] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 692.479119][T15547] ? register_netdev (net/core/dev.c:11618) [ 692.479121][T15547] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 692.479123][T15547] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 692.479126][T15547] ? __kernel_text_address (kernel/extable.c:79) [ 692.479128][T15547] ? write_profile (profile.c:?) [ 692.479131][T15547] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 692.479134][T15547] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 692.479136][T15547] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 692.479138][T15547] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 692.479139][T15547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.479140][T15547] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 692.479143][T15547] ? kasan_save_stack (mm/kasan/common.c:58) [ 692.479145][T15547] ? kasan_save_stack (mm/kasan/common.c:57) [ 692.479146][T15547] ? kasan_save_track (mm/kasan/common.c:78) [ 692.479147][T15547] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 692.479148][T15547] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 692.479150][T15547] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 692.479151][T15547] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 692.479152][T15547] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 692.479155][T15547] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 692.479156][T15547] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 692.479158][T15547] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 692.479160][T15547] ? ____sys_sendmsg (net/socket.c:2713) [ 692.479162][T15547] ? ___sys_sendmsg (net/socket.c:2767) [ 692.479163][T15547] ? __sys_sendmsg (net/socket.c:2799) [ 692.479165][T15547] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 692.479167][T15547] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 692.479170][T15547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.479171][T15547] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 692.479173][T15547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.479174][T15547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.479175][T15547] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 692.479176][T15547] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 692.479181][T15547] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 692.479182][T15547] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 692.479184][T15547] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 692.479185][T15547] ? nla_get_range_signed (lib/nlattr.c:270) [ 692.479188][T15547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.479189][T15547] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 692.479192][T15547] rtnl_newlink (net/core/rtnetlink.c:4215) [ 692.479193][T15547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.479195][T15547] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 692.479196][T15547] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 692.479197][T15547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.479199][T15547] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 692.479201][T15547] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 692.479203][T15547] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 692.479204][T15547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.479206][T15547] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 692.479209][T15547] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 692.479211][T15547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.479212][T15547] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 692.479214][T15547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.479215][T15547] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 692.479217][T15547] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 692.479218][T15547] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 692.479220][T15547] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 692.479221][T15547] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 692.479223][T15547] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 692.479225][T15547] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 692.479226][T15547] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 692.479228][T15547] ? netlink_ack (./include/linux/skbuff.h:2718) [ 692.479230][T15547] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 692.479232][T15547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.479234][T15547] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 692.479236][T15547] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 692.479238][T15547] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 692.479240][T15547] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 692.479242][T15547] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 692.479244][T15547] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 692.479245][T15547] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 692.479247][T15547] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 692.479248][T15547] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 692.479252][T15547] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 692.479253][T15547] ____sys_sendmsg (net/socket.c:2713) [ 692.479255][T15547] ? copy_msghdr_from_user (net/socket.c:2650) [ 692.479257][T15547] ? sock_write_iter (net/socket.c:1269) [ 692.479258][T15547] ? move_addr_to_kernel (net/socket.c:258) [ 692.479260][T15547] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 692.479262][T15547] ___sys_sendmsg (net/socket.c:2767) [ 692.479264][T15547] ? copy_msghdr_from_user (net/socket.c:2619) [ 692.479269][T15547] __sys_sendmsg (net/socket.c:2799) [ 692.479271][T15547] ? __sys_sendmsg_sock (net/socket.c:2780) [ 692.479274][T15547] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 692.479275][T15547] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 692.479277][T15547] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 692.479279][T15547] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 692.479280][T15547] RIP: 0033:0x7f70303f654e [ 692.479282][T15547] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 692.479284][T15547] RSP: 002b:00007ffcd3e95a80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 692.479287][T15547] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f70303f654e [ 692.479289][T15547] RDX: 0000000000000000 RSI: 00007ffcd3e95b30 RDI: 0000000000000005 [ 692.479290][T15547] RBP: 00007ffcd3e95a90 R08: 0000000000000000 R09: 0000000000000000 [ 692.479291][T15547] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190c5 [ 692.479292][T15547] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd3e961f0 | [ 693.542366][T15597] softirqs last disabled at (0): 0x0 | [ 693.542368][T15597] Preemption disabled at: | [ 693.542368][T15597] vprintk_emit (kernel/printk/printk.c:2471) | [ 693.542379][T15597] Tainted: [W]=WARN [ 693.542380][T15597] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 693.542382][T15597] Call Trace: [ 693.542383][T15597] [ 693.542384][T15597] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 693.542390][T15597] ? vprintk_emit (kernel/printk/printk.c:2471) [ 693.542392][T15597] __might_resched.cold (kernel/sched/core.c:9234) [ 693.542396][T15597] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 693.542398][T15597] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 693.542401][T15597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.542404][T15597] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 693.542407][T15597] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 693.542410][T15597] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 693.542415][T15597] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 693.542417][T15597] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 693.542419][T15597] put_chars (drivers/char/virtio_console.c:1176) [ 693.542421][T15597] ? __send_to_port (drivers/char/virtio_console.c:654) [ 693.542423][T15597] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 693.542425][T15597] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 693.542434][T15597] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 693.542436][T15597] ? vsnprintf (lib/vsprintf.c:2900) [ 693.542440][T15597] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 693.542441][T15597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.542443][T15597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.542444][T15597] console_emit_next_record (kernel/printk/printk.c:3183) [ 693.542447][T15597] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 693.542449][T15597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.542450][T15597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.542451][T15597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.542452][T15597] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 693.542455][T15597] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 693.542457][T15597] console_flush_one_record (kernel/printk/printk.c:3268) [ 693.542459][T15597] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 693.542462][T15597] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 693.542464][T15597] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 693.542466][T15597] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 693.542467][T15597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.542468][T15597] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 693.542470][T15597] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 693.542471][T15597] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 693.542473][T15597] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 693.542475][T15597] ? vprintk_emit (kernel/printk/printk.c:2478) [ 693.542476][T15597] vprintk_emit (kernel/printk/printk.c:2479) [ 693.542478][T15597] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 693.542479][T15597] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 693.542481][T15597] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 693.542484][T15597] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 693.542486][T15597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.542487][T15597] _printk (kernel/printk/printk.c:2504) [ 693.542491][T15597] ? snapshot_read.cold (user.c:?) [ 693.542493][T15597] ? br_multicast_flood (??:?) [ 693.542496][T15597] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 693.542499][T15597] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 693.542500][T15597] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 693.542502][T15597] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 693.542505][T15597] br_init_port (net/bridge/br_stp_if.c:39) [ 693.542506][T15597] new_nbp (net/bridge/br_if.c:449) [ 693.542509][T15597] br_add_if (net/bridge/br_if.c:592) [ 693.542510][T15597] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 693.542515][T15597] do_set_master (net/core/rtnetlink.c:3071) [ 693.542517][T15597] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 693.542519][T15597] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 693.542520][T15597] ? __dev_get_by_name (net/core/dev.c:905) [ 693.542522][T15597] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 693.542526][T15597] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 693.542528][T15597] rtnl_newlink (net/core/rtnetlink.c:4215) [ 693.542530][T15597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.542531][T15597] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 693.542533][T15597] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 693.542534][T15597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.542536][T15597] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 693.542538][T15597] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 693.542540][T15597] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 693.542543][T15597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.542544][T15597] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 693.542545][T15597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.542546][T15597] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 693.542548][T15597] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 693.542550][T15597] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 693.542551][T15597] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 693.542553][T15597] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 693.542557][T15597] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 693.542560][T15597] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 693.542561][T15597] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 693.542563][T15597] ? netlink_ack (./include/linux/skbuff.h:2718) [ 693.542564][T15597] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 693.542567][T15597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.542568][T15597] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 693.542570][T15597] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 693.542572][T15597] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 693.542574][T15597] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 693.542577][T15597] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 693.542580][T15597] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 693.542582][T15597] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 693.542584][T15597] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 693.542586][T15597] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 693.542589][T15597] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 693.542592][T15597] ____sys_sendmsg (net/socket.c:2713) [ 693.542594][T15597] ? copy_msghdr_from_user (net/socket.c:2650) [ 693.542596][T15597] ? sock_write_iter (net/socket.c:1269) [ 693.542597][T15597] ? move_addr_to_kernel (net/socket.c:258) [ 693.542599][T15597] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 693.542602][T15597] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 693.542604][T15597] ___sys_sendmsg (net/socket.c:2767) [ 693.542606][T15597] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 693.542607][T15597] ? copy_msghdr_from_user (net/socket.c:2619) [ 693.542609][T15597] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 693.542614][T15597] __sys_sendmsg (net/socket.c:2799) [ 693.542616][T15597] ? __sys_sendmsg_sock (net/socket.c:2780) [ 693.542618][T15597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.542620][T15597] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 693.542621][T15597] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 693.542624][T15597] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 693.542626][T15597] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 693.542628][T15597] RIP: 0033:0x7f519659654e [ 693.542630][T15597] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 693.542632][T15597] RSP: 002b:00007fffca7964d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 693.542635][T15597] RAX: ffffffffffffffda RBX: 00007fffca796c98 RCX: 00007f519659654e [ 693.542637][T15597] RDX: 0000000000000000 RSI: 00007fffca796580 RDI: 0000000000000005 [ 693.542638][T15597] RBP: 00007fffca7964e0 R08: 0000000000000000 R09: 0000000000000000 [ 693.542638][T15597] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190c6 [ 693.542639][T15597] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffca796c50 | [ 702.982670][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 702.982672][ T69] Preemption disabled at: | [ 702.982673][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 702.982683][ T69] Tainted: [W]=WARN [ 702.982684][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 702.982686][ T69] Workqueue: netns cleanup_net [ 702.982691][ T69] Call Trace: [ 702.982692][ T69] [ 702.982694][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 702.982700][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 702.982701][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 702.982705][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 702.982707][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 702.982710][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.982713][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 702.982716][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 702.982719][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 702.982724][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 702.982726][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 702.982728][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 702.982730][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 702.982732][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 702.982734][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 702.982740][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 702.982741][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 702.982744][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 702.982746][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.982747][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.982748][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 702.982751][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 702.982753][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.982754][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.982755][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.982756][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 702.982759][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 702.982761][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 702.982763][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 702.982766][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 702.982767][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 702.982769][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 702.982771][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.982772][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 702.982774][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 702.982775][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 702.982777][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 702.982779][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 702.982780][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 702.982782][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 702.982783][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 702.982784][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 702.982787][ T69] ? kthread (kernel/kthread.c:436) [ 702.982789][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 702.982792][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 702.982795][ T69] _printk (kernel/printk/printk.c:2504) [ 702.982798][ T69] ? snapshot_read.cold (user.c:?) [ 702.982800][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 702.982803][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 702.982805][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 702.982807][ T69] ? netdev_notice (net/core/dev.c:13194) [ 702.982810][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.982811][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 702.982812][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 702.982815][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 702.982817][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 702.982818][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 702.982821][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 702.982823][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 702.982827][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 702.982829][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 702.982832][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 702.982834][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 702.982836][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 702.982839][ T69] cleanup_net (net/core/net_namespace.c:706) [ 702.982841][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 702.982842][ T69] ? update_load_avg (kernel/sched/fair.c:5864) [ 702.982845][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 702.982847][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 702.982849][ T69] process_one_work (kernel/workqueue.c:3387) [ 702.982852][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 702.982854][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 702.982857][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 702.982859][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 702.982861][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 702.982863][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 702.982865][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 702.982867][ T69] kthread (kernel/kthread.c:436) [ 702.982868][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 702.982870][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 702.982872][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 702.982874][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 702.982876][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 702.982879][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 702.982881][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 704.169726][T15853] softirqs last disabled at (0): 0x0 | [ 704.169728][T15853] Preemption disabled at: | [ 704.169729][T15853] vprintk_emit (kernel/printk/printk.c:2471) | [ 704.169739][T15853] Tainted: [W]=WARN [ 704.169740][T15853] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 704.169742][T15853] Call Trace: [ 704.169743][T15853] [ 704.169744][T15853] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 704.169750][T15853] ? vprintk_emit (kernel/printk/printk.c:2471) [ 704.169751][T15853] __might_resched.cold (kernel/sched/core.c:9234) [ 704.169755][T15853] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 704.169757][T15853] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 704.169761][T15853] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.169763][T15853] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 704.169766][T15853] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 704.169769][T15853] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 704.169774][T15853] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 704.169776][T15853] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 704.169779][T15853] put_chars (drivers/char/virtio_console.c:1176) [ 704.169780][T15853] ? __send_to_port (drivers/char/virtio_console.c:654) [ 704.169782][T15853] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 704.169785][T15853] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 704.169789][T15853] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 704.169791][T15853] ? vsnprintf (lib/vsprintf.c:2900) [ 704.169795][T15853] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 704.169796][T15853] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.169797][T15853] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.169799][T15853] console_emit_next_record (kernel/printk/printk.c:3183) [ 704.169802][T15853] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 704.169804][T15853] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.169805][T15853] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.169806][T15853] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.169807][T15853] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 704.169810][T15853] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 704.169812][T15853] console_flush_one_record (kernel/printk/printk.c:3268) [ 704.169814][T15853] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 704.169817][T15853] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 704.169818][T15853] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 704.169820][T15853] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 704.169822][T15853] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.169823][T15853] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 704.169825][T15853] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 704.169826][T15853] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 704.169828][T15853] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 704.169830][T15853] ? vprintk_emit (kernel/printk/printk.c:2478) [ 704.169831][T15853] vprintk_emit (kernel/printk/printk.c:2479) [ 704.169833][T15853] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 704.169834][T15853] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 704.169836][T15853] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 704.169839][T15853] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 704.169840][T15853] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.169842][T15853] _printk (kernel/printk/printk.c:2504) [ 704.169845][T15853] ? snapshot_read.cold (user.c:?) [ 704.169847][T15853] ? br_multicast_flood (??:?) [ 704.169850][T15853] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 704.169853][T15853] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 704.169855][T15853] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 704.169856][T15853] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 704.169859][T15853] br_init_port (net/bridge/br_stp_if.c:39) [ 704.169861][T15853] new_nbp (net/bridge/br_if.c:449) [ 704.169863][T15853] br_add_if (net/bridge/br_if.c:592) [ 704.169865][T15853] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 704.169869][T15853] do_set_master (net/core/rtnetlink.c:3071) [ 704.169872][T15853] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 704.169873][T15853] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 704.169875][T15853] ? __dev_get_by_name (net/core/dev.c:905) [ 704.169876][T15853] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 704.169880][T15853] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 704.169883][T15853] rtnl_newlink (net/core/rtnetlink.c:4215) [ 704.169885][T15853] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.169886][T15853] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 704.169887][T15853] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 704.169889][T15853] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.169890][T15853] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 704.169893][T15853] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 704.169895][T15853] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 704.169897][T15853] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.169898][T15853] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 704.169900][T15853] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.169901][T15853] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 704.169902][T15853] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 704.169904][T15853] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 704.169906][T15853] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 704.169907][T15853] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 704.169911][T15853] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 704.169914][T15853] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 704.169915][T15853] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 704.169917][T15853] ? netlink_ack (./include/linux/skbuff.h:2718) [ 704.169919][T15853] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 704.169921][T15853] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.169923][T15853] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 704.169925][T15853] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 704.169927][T15853] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 704.169929][T15853] ? next_uptodate_folio (mm/filemap.c:3747) [ 704.169932][T15853] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 704.169934][T15853] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 704.169936][T15853] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 704.169938][T15853] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 704.169942][T15853] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 704.169945][T15853] ____sys_sendmsg (net/socket.c:2713) [ 704.169946][T15853] ? copy_msghdr_from_user (net/socket.c:2650) [ 704.169948][T15853] ? sock_write_iter (net/socket.c:1269) [ 704.169950][T15853] ? move_addr_to_kernel (net/socket.c:258) [ 704.169952][T15853] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 704.169954][T15853] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 704.169956][T15853] ___sys_sendmsg (net/socket.c:2767) [ 704.169958][T15853] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 704.169960][T15853] ? copy_msghdr_from_user (net/socket.c:2619) [ 704.169962][T15853] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 704.169966][T15853] __sys_sendmsg (net/socket.c:2799) [ 704.169968][T15853] ? __sys_sendmsg_sock (net/socket.c:2780) [ 704.169971][T15853] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.169972][T15853] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 704.169974][T15853] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 704.169976][T15853] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 704.169978][T15853] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 704.169980][T15853] RIP: 0033:0x7f7b934d954e [ 704.169982][T15853] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 704.169984][T15853] RSP: 002b:00007ffcc6f2f290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 704.169988][T15853] RAX: ffffffffffffffda RBX: 00007ffcc6f2fa58 RCX: 00007f7b934d954e [ 704.169989][T15853] RDX: 0000000000000000 RSI: 00007ffcc6f2f340 RDI: 0000000000000005 [ 704.169990][T15853] RBP: 00007ffcc6f2f2a0 R08: 0000000000000000 R09: 0000000000000000 [ 704.169991][T15853] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190d1 [ 704.169992][T15853] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc6f2fa10 | [ 705.542492][T15921] softirqs last disabled at (0): 0x0 | [ 705.542494][T15921] Preemption disabled at: | [ 705.542495][T15921] vprintk_emit (kernel/printk/printk.c:2471) | [ 705.542505][T15921] Tainted: [W]=WARN [ 705.542507][T15921] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 705.542508][T15921] Call Trace: [ 705.542510][T15921] [ 705.542511][T15921] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 705.542517][T15921] ? vprintk_emit (kernel/printk/printk.c:2471) [ 705.542518][T15921] __might_resched.cold (kernel/sched/core.c:9234) [ 705.542522][T15921] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 705.542525][T15921] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.542528][T15921] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 705.542531][T15921] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 705.542534][T15921] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 705.542539][T15921] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 705.542541][T15921] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 705.542543][T15921] put_chars (drivers/char/virtio_console.c:1176) [ 705.542545][T15921] ? __send_to_port (drivers/char/virtio_console.c:654) [ 705.542546][T15921] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 705.542548][T15921] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 705.542550][T15921] ? pointer (lib/vsprintf.c:2577) [ 705.542554][T15921] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 705.542559][T15921] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 705.542561][T15921] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 705.542563][T15921] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 705.542565][T15921] console_emit_next_record (kernel/printk/printk.c:3183) [ 705.542568][T15921] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 705.542570][T15921] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.542571][T15921] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.542572][T15921] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.542573][T15921] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 705.542575][T15921] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 705.542577][T15921] console_flush_one_record (kernel/printk/printk.c:3268) [ 705.542579][T15921] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 705.542582][T15921] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 705.542584][T15921] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 705.542585][T15921] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 705.542587][T15921] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.542588][T15921] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 705.542590][T15921] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 705.542591][T15921] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 705.542593][T15921] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 705.542595][T15921] ? vprintk_emit (kernel/printk/printk.c:2478) [ 705.542596][T15921] vprintk_emit (kernel/printk/printk.c:2479) [ 705.542598][T15921] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 705.542600][T15921] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 705.542602][T15921] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 705.542605][T15921] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 705.542608][T15921] _printk (kernel/printk/printk.c:2504) [ 705.542611][T15921] ? snapshot_read.cold (user.c:?) [ 705.542613][T15921] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 705.542615][T15921] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 705.542618][T15921] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 705.542620][T15921] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 705.542624][T15921] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 705.542626][T15921] ? netdev_notice (net/core/dev.c:13194) [ 705.542628][T15921] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 705.542629][T15921] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 705.542632][T15921] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 705.542634][T15921] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.542635][T15921] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.542636][T15921] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 705.542637][T15921] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 705.542639][T15921] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 705.542640][T15921] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 705.542641][T15921] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 705.542643][T15921] ? register_netdev (net/core/dev.c:11618) [ 705.542644][T15921] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 705.542646][T15921] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 705.542649][T15921] ? __kernel_text_address (kernel/extable.c:79) [ 705.542651][T15921] ? write_profile (profile.c:?) [ 705.542654][T15921] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 705.542658][T15921] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 705.542659][T15921] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 705.542661][T15921] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 705.542662][T15921] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.542663][T15921] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 705.542667][T15921] ? kasan_save_stack (mm/kasan/common.c:58) [ 705.542669][T15921] ? kasan_save_stack (mm/kasan/common.c:57) [ 705.542670][T15921] ? kasan_save_track (mm/kasan/common.c:78) [ 705.542671][T15921] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 705.542672][T15921] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 705.542673][T15921] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 705.542674][T15921] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 705.542676][T15921] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 705.542679][T15921] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 705.542680][T15921] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 705.542682][T15921] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 705.542684][T15921] ? ____sys_sendmsg (net/socket.c:2713) [ 705.542686][T15921] ? ___sys_sendmsg (net/socket.c:2767) [ 705.542687][T15921] ? __sys_sendmsg (net/socket.c:2799) [ 705.542689][T15921] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 705.542691][T15921] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 705.542694][T15921] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.542695][T15921] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 705.542696][T15921] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.542697][T15921] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.542698][T15921] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 705.542700][T15921] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 705.542701][T15921] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 705.542702][T15921] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 705.542704][T15921] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 705.542705][T15921] ? nla_get_range_signed (lib/nlattr.c:270) [ 705.542708][T15921] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.542710][T15921] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 705.542712][T15921] rtnl_newlink (net/core/rtnetlink.c:4215) [ 705.542714][T15921] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.542715][T15921] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 705.542716][T15921] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 705.542718][T15921] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.542719][T15921] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 705.542722][T15921] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 705.542723][T15921] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 705.542724][T15921] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.542726][T15921] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 705.542729][T15921] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 705.542731][T15921] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.542732][T15921] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 705.542734][T15921] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.542735][T15921] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 705.542736][T15921] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 705.542738][T15921] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 705.542739][T15921] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 705.542741][T15921] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 705.542743][T15921] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 705.542745][T15921] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 705.542746][T15921] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 705.542748][T15921] ? netlink_ack (./include/linux/skbuff.h:2718) [ 705.542750][T15921] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 705.542753][T15921] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.542754][T15921] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 705.542756][T15921] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 705.542758][T15921] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 705.542760][T15921] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 705.542762][T15921] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 705.542764][T15921] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 705.542766][T15921] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 705.542768][T15921] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 705.542769][T15921] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 705.542772][T15921] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 705.542774][T15921] ____sys_sendmsg (net/socket.c:2713) [ 705.542776][T15921] ? copy_msghdr_from_user (net/socket.c:2650) [ 705.542777][T15921] ? sock_write_iter (net/socket.c:1269) [ 705.542779][T15921] ? move_addr_to_kernel (net/socket.c:258) [ 705.542781][T15921] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 705.542783][T15921] ___sys_sendmsg (net/socket.c:2767) [ 705.542785][T15921] ? copy_msghdr_from_user (net/socket.c:2619) [ 705.542790][T15921] __sys_sendmsg (net/socket.c:2799) [ 705.542792][T15921] ? __sys_sendmsg_sock (net/socket.c:2780) [ 705.542795][T15921] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 705.542796][T15921] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 705.542798][T15921] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 705.542800][T15921] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 705.542801][T15921] RIP: 0033:0x7f4e9286a54e [ 705.542803][T15921] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 705.542805][T15921] RSP: 002b:00007ffcf2c8f100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 705.542809][T15921] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4e9286a54e [ 705.542810][T15921] RDX: 0000000000000000 RSI: 00007ffcf2c8f1b0 RDI: 0000000000000005 [ 705.542811][T15921] RBP: 00007ffcf2c8f110 R08: 0000000000000000 R09: 0000000000000000 [ 705.542812][T15921] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190d2 [ 705.542813][T15921] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf2c8f870 | [ 706.627851][T15979] softirqs last disabled at (0): 0x0 | [ 706.627853][T15979] Preemption disabled at: | [ 706.627854][T15979] vprintk_emit (kernel/printk/printk.c:2471) | [ 706.627864][T15979] Tainted: [W]=WARN [ 706.627865][T15979] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 706.627867][T15979] Call Trace: [ 706.627869][T15979] [ 706.627870][T15979] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 706.627876][T15979] ? vprintk_emit (kernel/printk/printk.c:2471) [ 706.627877][T15979] __might_resched.cold (kernel/sched/core.c:9234) [ 706.627881][T15979] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 706.627883][T15979] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 706.627887][T15979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.627889][T15979] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 706.627892][T15979] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 706.627895][T15979] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 706.627900][T15979] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 706.627902][T15979] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 706.627904][T15979] put_chars (drivers/char/virtio_console.c:1176) [ 706.627906][T15979] ? __send_to_port (drivers/char/virtio_console.c:654) [ 706.627908][T15979] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 706.627911][T15979] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 706.627915][T15979] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 706.627917][T15979] ? vsnprintf (lib/vsprintf.c:2900) [ 706.627921][T15979] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 706.627922][T15979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.627923][T15979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.627925][T15979] console_emit_next_record (kernel/printk/printk.c:3183) [ 706.627928][T15979] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 706.627930][T15979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.627931][T15979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.627932][T15979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.627933][T15979] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 706.627935][T15979] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 706.627937][T15979] console_flush_one_record (kernel/printk/printk.c:3268) [ 706.627939][T15979] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 706.627942][T15979] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 706.627944][T15979] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 706.627946][T15979] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 706.627947][T15979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.627948][T15979] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 706.627950][T15979] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 706.627951][T15979] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 706.627953][T15979] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 706.627955][T15979] ? vprintk_emit (kernel/printk/printk.c:2478) [ 706.627956][T15979] vprintk_emit (kernel/printk/printk.c:2479) [ 706.627958][T15979] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 706.627959][T15979] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 706.627961][T15979] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 706.627964][T15979] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 706.627965][T15979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.627967][T15979] _printk (kernel/printk/printk.c:2504) [ 706.627970][T15979] ? snapshot_read.cold (user.c:?) [ 706.627972][T15979] ? br_multicast_flood (??:?) [ 706.627976][T15979] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 706.627979][T15979] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 706.627980][T15979] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 706.627981][T15979] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 706.627984][T15979] br_init_port (net/bridge/br_stp_if.c:39) [ 706.627986][T15979] new_nbp (net/bridge/br_if.c:449) [ 706.627988][T15979] br_add_if (net/bridge/br_if.c:592) [ 706.627990][T15979] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 706.627994][T15979] do_set_master (net/core/rtnetlink.c:3071) [ 706.627996][T15979] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 706.627998][T15979] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 706.627999][T15979] ? __dev_get_by_name (net/core/dev.c:905) [ 706.628001][T15979] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 706.628005][T15979] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 706.628007][T15979] rtnl_newlink (net/core/rtnetlink.c:4215) [ 706.628009][T15979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.628011][T15979] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 706.628012][T15979] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 706.628013][T15979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.628015][T15979] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 706.628017][T15979] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 706.628019][T15979] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 706.628021][T15979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.628023][T15979] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 706.628024][T15979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.628025][T15979] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 706.628026][T15979] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 706.628028][T15979] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 706.628030][T15979] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 706.628031][T15979] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 706.628035][T15979] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 706.628038][T15979] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 706.628039][T15979] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 706.628041][T15979] ? netlink_ack (./include/linux/skbuff.h:2718) [ 706.628043][T15979] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 706.628045][T15979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.628047][T15979] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 706.628049][T15979] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 706.628051][T15979] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 706.628053][T15979] ? next_uptodate_folio (mm/filemap.c:3747) [ 706.628056][T15979] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 706.628058][T15979] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 706.628060][T15979] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 706.628062][T15979] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 706.628065][T15979] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 706.628068][T15979] ____sys_sendmsg (net/socket.c:2713) [ 706.628070][T15979] ? copy_msghdr_from_user (net/socket.c:2650) [ 706.628072][T15979] ? sock_write_iter (net/socket.c:1269) [ 706.628073][T15979] ? move_addr_to_kernel (net/socket.c:258) [ 706.628075][T15979] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 706.628078][T15979] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 706.628080][T15979] ___sys_sendmsg (net/socket.c:2767) [ 706.628081][T15979] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 706.628083][T15979] ? copy_msghdr_from_user (net/socket.c:2619) [ 706.628085][T15979] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 706.628089][T15979] __sys_sendmsg (net/socket.c:2799) [ 706.628091][T15979] ? __sys_sendmsg_sock (net/socket.c:2780) [ 706.628094][T15979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.628095][T15979] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 706.628096][T15979] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 706.628099][T15979] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 706.628101][T15979] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 706.628103][T15979] RIP: 0033:0x7f8c65cba54e [ 706.628105][T15979] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 706.628107][T15979] RSP: 002b:00007ffd91526330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 706.628110][T15979] RAX: ffffffffffffffda RBX: 00007ffd91526af8 RCX: 00007f8c65cba54e [ 706.628112][T15979] RDX: 0000000000000000 RSI: 00007ffd915263e0 RDI: 0000000000000005 [ 706.628113][T15979] RBP: 00007ffd91526340 R08: 0000000000000000 R09: 0000000000000000 [ 706.628114][T15979] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190d3 [ 706.628115][T15979] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd91526ab0 | [ 713.101756][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 713.101758][ T69] Preemption disabled at: | [ 713.101759][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 713.101769][ T69] Tainted: [W]=WARN [ 713.101770][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 713.101771][ T69] Workqueue: netns cleanup_net [ 713.101777][ T69] Call Trace: [ 713.101779][ T69] [ 713.101780][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 713.101786][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 713.101787][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 713.101791][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 713.101793][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 713.101797][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.101799][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 713.101802][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 713.101805][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 713.101810][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 713.101812][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 713.101814][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 713.101816][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 713.101818][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 713.101820][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 713.101825][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 713.101827][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 713.101829][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 713.101831][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.101832][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.101834][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 713.101837][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 713.101839][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.101840][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.101841][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.101842][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 713.101844][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 713.101846][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 713.101848][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 713.101851][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 713.101853][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 713.101855][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 713.101856][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.101857][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 713.101859][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 713.101861][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 713.101862][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 713.101864][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 713.101866][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 713.101868][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 713.101869][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 713.101870][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 713.101873][ T69] ? kthread (kernel/kthread.c:436) [ 713.101875][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 713.101878][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 713.101881][ T69] _printk (kernel/printk/printk.c:2504) [ 713.101884][ T69] ? snapshot_read.cold (user.c:?) [ 713.101886][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 713.101889][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 713.101892][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 713.101894][ T69] ? netdev_notice (net/core/dev.c:13194) [ 713.101896][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.101897][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 713.101899][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 713.101902][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 713.101903][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 713.101905][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 713.101907][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 713.101909][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 713.101913][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 713.101915][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 713.101918][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 713.101920][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 713.101922][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 713.101925][ T69] cleanup_net (net/core/net_namespace.c:706) [ 713.101926][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 713.101929][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 713.101930][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 713.101932][ T69] process_one_work (kernel/workqueue.c:3387) [ 713.101935][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 713.101937][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 713.101940][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 713.101942][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 713.101944][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 713.101946][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 713.101948][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 713.101950][ T69] kthread (kernel/kthread.c:436) [ 713.101951][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 713.101953][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 713.101955][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 713.101957][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 713.101959][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 713.101962][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 713.101964][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 714.304878][T16131] softirqs last disabled at (0): 0x0 | [ 714.304880][T16131] Preemption disabled at: | [ 714.304881][T16131] vprintk_emit (kernel/printk/printk.c:2471) | [ 714.304891][T16131] Tainted: [W]=WARN [ 714.304892][T16131] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 714.304894][T16131] Call Trace: [ 714.304895][T16131] [ 714.304897][T16131] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 714.304902][T16131] ? vprintk_emit (kernel/printk/printk.c:2471) [ 714.304904][T16131] __might_resched.cold (kernel/sched/core.c:9234) [ 714.304908][T16131] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 714.304910][T16131] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 714.304913][T16131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.304916][T16131] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 714.304919][T16131] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 714.304922][T16131] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 714.304927][T16131] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 714.304929][T16131] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 714.304931][T16131] put_chars (drivers/char/virtio_console.c:1176) [ 714.304933][T16131] ? __send_to_port (drivers/char/virtio_console.c:654) [ 714.304935][T16131] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 714.304938][T16131] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 714.304942][T16131] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 714.304944][T16131] ? vsnprintf (lib/vsprintf.c:2900) [ 714.304948][T16131] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 714.304949][T16131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.304951][T16131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.304952][T16131] console_emit_next_record (kernel/printk/printk.c:3183) [ 714.304955][T16131] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 714.304957][T16131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.304958][T16131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.304959][T16131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.304961][T16131] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 714.304963][T16131] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 714.304965][T16131] console_flush_one_record (kernel/printk/printk.c:3268) [ 714.304967][T16131] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 714.304970][T16131] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 714.304972][T16131] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 714.304974][T16131] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 714.304976][T16131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.304977][T16131] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 714.304978][T16131] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 714.304980][T16131] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 714.304981][T16131] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 714.304984][T16131] ? vprintk_emit (kernel/printk/printk.c:2478) [ 714.304985][T16131] vprintk_emit (kernel/printk/printk.c:2479) [ 714.304987][T16131] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 714.304988][T16131] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 714.304990][T16131] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 714.304993][T16131] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 714.304994][T16131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.304996][T16131] _printk (kernel/printk/printk.c:2504) [ 714.304999][T16131] ? snapshot_read.cold (user.c:?) [ 714.305001][T16131] ? br_multicast_flood (??:?) [ 714.305005][T16131] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 714.305007][T16131] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 714.305009][T16131] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 714.305010][T16131] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 714.305013][T16131] br_init_port (net/bridge/br_stp_if.c:39) [ 714.305015][T16131] new_nbp (net/bridge/br_if.c:449) [ 714.305017][T16131] br_add_if (net/bridge/br_if.c:592) [ 714.305019][T16131] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 714.305024][T16131] do_set_master (net/core/rtnetlink.c:3071) [ 714.305026][T16131] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 714.305028][T16131] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 714.305029][T16131] ? __dev_get_by_name (net/core/dev.c:905) [ 714.305031][T16131] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 714.305034][T16131] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 714.305037][T16131] rtnl_newlink (net/core/rtnetlink.c:4215) [ 714.305039][T16131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.305040][T16131] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 714.305042][T16131] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 714.305043][T16131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.305045][T16131] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 714.305047][T16131] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 714.305049][T16131] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 714.305051][T16131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.305053][T16131] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 714.305054][T16131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.305055][T16131] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 714.305057][T16131] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 714.305059][T16131] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 714.305060][T16131] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 714.305062][T16131] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 714.305065][T16131] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 714.305069][T16131] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 714.305070][T16131] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 714.305072][T16131] ? netlink_ack (./include/linux/skbuff.h:2718) [ 714.305074][T16131] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 714.305076][T16131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.305078][T16131] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 714.305080][T16131] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 714.305082][T16131] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 714.305084][T16131] ? next_uptodate_folio (mm/filemap.c:3747) [ 714.305087][T16131] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 714.305089][T16131] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 714.305091][T16131] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 714.305093][T16131] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 714.305096][T16131] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 714.305100][T16131] ____sys_sendmsg (net/socket.c:2713) [ 714.305101][T16131] ? copy_msghdr_from_user (net/socket.c:2650) [ 714.305103][T16131] ? sock_write_iter (net/socket.c:1269) [ 714.305105][T16131] ? move_addr_to_kernel (net/socket.c:258) [ 714.305107][T16131] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 714.305110][T16131] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 714.305112][T16131] ___sys_sendmsg (net/socket.c:2767) [ 714.305113][T16131] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 714.305115][T16131] ? copy_msghdr_from_user (net/socket.c:2619) [ 714.305117][T16131] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 714.305122][T16131] __sys_sendmsg (net/socket.c:2799) [ 714.305124][T16131] ? __sys_sendmsg_sock (net/socket.c:2780) [ 714.305126][T16131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.305128][T16131] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 714.305129][T16131] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 714.305132][T16131] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 714.305134][T16131] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 714.305136][T16131] RIP: 0033:0x7f5fd198454e [ 714.305138][T16131] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 714.305140][T16131] RSP: 002b:00007fffde456ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 714.305143][T16131] RAX: ffffffffffffffda RBX: 00007fffde457288 RCX: 00007f5fd198454e [ 714.305145][T16131] RDX: 0000000000000000 RSI: 00007fffde456b70 RDI: 0000000000000005 [ 714.305146][T16131] RBP: 00007fffde456ad0 R08: 0000000000000000 R09: 0000000000000000 [ 714.305147][T16131] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190db [ 714.305148][T16131] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffde457240 | [ 715.682144][T16200] softirqs last disabled at (0): 0x0 | [ 715.682146][T16200] Preemption disabled at: | [ 715.682146][T16200] vprintk_emit (kernel/printk/printk.c:2471) | [ 715.682156][T16200] Tainted: [W]=WARN [ 715.682157][T16200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 715.682159][T16200] Call Trace: [ 715.682160][T16200] [ 715.682162][T16200] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 715.682168][T16200] ? vprintk_emit (kernel/printk/printk.c:2471) [ 715.682169][T16200] __might_resched.cold (kernel/sched/core.c:9234) [ 715.682173][T16200] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 715.682176][T16200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.682182][T16200] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 715.682185][T16200] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 715.682188][T16200] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 715.682193][T16200] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 715.682194][T16200] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 715.682197][T16200] put_chars (drivers/char/virtio_console.c:1176) [ 715.682198][T16200] ? __send_to_port (drivers/char/virtio_console.c:654) [ 715.682200][T16200] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 715.682202][T16200] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 715.682204][T16200] ? pointer (lib/vsprintf.c:2577) [ 715.682207][T16200] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 715.682212][T16200] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 715.682214][T16200] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 715.682216][T16200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 715.682218][T16200] console_emit_next_record (kernel/printk/printk.c:3183) [ 715.682221][T16200] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 715.682223][T16200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.682224][T16200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.682225][T16200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.682226][T16200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 715.682228][T16200] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 715.682230][T16200] console_flush_one_record (kernel/printk/printk.c:3268) [ 715.682232][T16200] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 715.682235][T16200] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 715.682237][T16200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 715.682239][T16200] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 715.682241][T16200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.682242][T16200] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 715.682243][T16200] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 715.682245][T16200] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 715.682246][T16200] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 715.682248][T16200] ? vprintk_emit (kernel/printk/printk.c:2478) [ 715.682250][T16200] vprintk_emit (kernel/printk/printk.c:2479) [ 715.682251][T16200] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 715.682253][T16200] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 715.682255][T16200] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 715.682258][T16200] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 715.682260][T16200] _printk (kernel/printk/printk.c:2504) [ 715.682263][T16200] ? snapshot_read.cold (user.c:?) [ 715.682265][T16200] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 715.682267][T16200] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 715.682271][T16200] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 715.682273][T16200] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 715.682276][T16200] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 715.682278][T16200] ? netdev_notice (net/core/dev.c:13194) [ 715.682280][T16200] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 715.682282][T16200] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 715.682285][T16200] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 715.682286][T16200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.682287][T16200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.682288][T16200] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 715.682290][T16200] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 715.682291][T16200] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 715.682293][T16200] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 715.682294][T16200] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 715.682296][T16200] ? register_netdev (net/core/dev.c:11618) [ 715.682297][T16200] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 715.682299][T16200] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 715.682301][T16200] ? __kernel_text_address (kernel/extable.c:79) [ 715.682304][T16200] ? write_profile (profile.c:?) [ 715.682307][T16200] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 715.682311][T16200] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 715.682312][T16200] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 715.682314][T16200] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 715.682315][T16200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.682316][T16200] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 715.682319][T16200] ? kasan_save_stack (mm/kasan/common.c:58) [ 715.682321][T16200] ? kasan_save_stack (mm/kasan/common.c:57) [ 715.682322][T16200] ? kasan_save_track (mm/kasan/common.c:78) [ 715.682323][T16200] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 715.682324][T16200] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 715.682325][T16200] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 715.682327][T16200] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 715.682328][T16200] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 715.682331][T16200] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 715.682332][T16200] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 715.682334][T16200] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 715.682336][T16200] ? ____sys_sendmsg (net/socket.c:2713) [ 715.682338][T16200] ? ___sys_sendmsg (net/socket.c:2767) [ 715.682339][T16200] ? __sys_sendmsg (net/socket.c:2799) [ 715.682341][T16200] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 715.682343][T16200] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 715.682346][T16200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.682347][T16200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 715.682349][T16200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.682350][T16200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.682351][T16200] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 715.682352][T16200] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 715.682354][T16200] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 715.682355][T16200] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 715.682356][T16200] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 715.682357][T16200] ? nla_get_range_signed (lib/nlattr.c:270) [ 715.682361][T16200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.682362][T16200] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 715.682364][T16200] rtnl_newlink (net/core/rtnetlink.c:4215) [ 715.682366][T16200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.682367][T16200] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 715.682368][T16200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 715.682370][T16200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.682371][T16200] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 715.682374][T16200] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 715.682375][T16200] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 715.682377][T16200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.682378][T16200] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 715.682381][T16200] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 715.682384][T16200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.682385][T16200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 715.682386][T16200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.682387][T16200] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 715.682389][T16200] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 715.682391][T16200] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 715.682392][T16200] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 715.682393][T16200] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 715.682396][T16200] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 715.682397][T16200] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 715.682399][T16200] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 715.682400][T16200] ? netlink_ack (./include/linux/skbuff.h:2718) [ 715.682402][T16200] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 715.682405][T16200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.682406][T16200] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 715.682408][T16200] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 715.682410][T16200] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 715.682412][T16200] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 715.682414][T16200] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 715.682416][T16200] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 715.682418][T16200] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 715.682419][T16200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 715.682421][T16200] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 715.682424][T16200] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 715.682426][T16200] ____sys_sendmsg (net/socket.c:2713) [ 715.682427][T16200] ? copy_msghdr_from_user (net/socket.c:2650) [ 715.682429][T16200] ? sock_write_iter (net/socket.c:1269) [ 715.682431][T16200] ? move_addr_to_kernel (net/socket.c:258) [ 715.682432][T16200] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 715.682435][T16200] ___sys_sendmsg (net/socket.c:2767) [ 715.682437][T16200] ? copy_msghdr_from_user (net/socket.c:2619) [ 715.682442][T16200] __sys_sendmsg (net/socket.c:2799) [ 715.682444][T16200] ? __sys_sendmsg_sock (net/socket.c:2780) [ 715.682446][T16200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 715.682448][T16200] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 715.682450][T16200] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 715.682452][T16200] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 715.682453][T16200] RIP: 0033:0x7f954021154e [ 715.682455][T16200] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 715.682457][T16200] RSP: 002b:00007fff865a5e00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 715.682460][T16200] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f954021154e [ 715.682462][T16200] RDX: 0000000000000000 RSI: 00007fff865a5eb0 RDI: 0000000000000005 [ 715.682463][T16200] RBP: 00007fff865a5e10 R08: 0000000000000000 R09: 0000000000000000 [ 715.682464][T16200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190dd [ 715.682465][T16200] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff865a6570 | [ 716.755924][T16250] softirqs last disabled at (0): 0x0 | [ 716.755926][T16250] Preemption disabled at: | [ 716.755927][T16250] vprintk_emit (kernel/printk/printk.c:2471) | [ 716.755937][T16250] Tainted: [W]=WARN [ 716.755938][T16250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 716.755940][T16250] Call Trace: [ 716.755941][T16250] [ 716.755942][T16250] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 716.755948][T16250] ? vprintk_emit (kernel/printk/printk.c:2471) [ 716.755950][T16250] __might_resched.cold (kernel/sched/core.c:9234) [ 716.755954][T16250] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 716.755956][T16250] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 716.755959][T16250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.755962][T16250] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 716.755965][T16250] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 716.755968][T16250] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 716.755973][T16250] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 716.755975][T16250] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 716.755978][T16250] put_chars (drivers/char/virtio_console.c:1176) [ 716.755979][T16250] ? __send_to_port (drivers/char/virtio_console.c:654) [ 716.755981][T16250] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 716.755984][T16250] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 716.755989][T16250] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 716.755991][T16250] ? vsnprintf (lib/vsprintf.c:2900) [ 716.755994][T16250] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 716.755996][T16250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.755997][T16250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.755998][T16250] console_emit_next_record (kernel/printk/printk.c:3183) [ 716.756001][T16250] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 716.756003][T16250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.756004][T16250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.756006][T16250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.756007][T16250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 716.756009][T16250] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 716.756011][T16250] console_flush_one_record (kernel/printk/printk.c:3268) [ 716.756013][T16250] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 716.756016][T16250] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 716.756018][T16250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 716.756020][T16250] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 716.756021][T16250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.756022][T16250] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 716.756024][T16250] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 716.756026][T16250] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 716.756027][T16250] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 716.756029][T16250] ? vprintk_emit (kernel/printk/printk.c:2478) [ 716.756031][T16250] vprintk_emit (kernel/printk/printk.c:2479) [ 716.756032][T16250] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 716.756033][T16250] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 716.756035][T16250] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 716.756038][T16250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 716.756040][T16250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.756041][T16250] _printk (kernel/printk/printk.c:2504) [ 716.756044][T16250] ? snapshot_read.cold (user.c:?) [ 716.756046][T16250] ? br_multicast_flood (??:?) [ 716.756050][T16250] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 716.756052][T16250] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 716.756054][T16250] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 716.756055][T16250] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 716.756058][T16250] br_init_port (net/bridge/br_stp_if.c:39) [ 716.756060][T16250] new_nbp (net/bridge/br_if.c:449) [ 716.756062][T16250] br_add_if (net/bridge/br_if.c:592) [ 716.756064][T16250] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 716.756069][T16250] do_set_master (net/core/rtnetlink.c:3071) [ 716.756071][T16250] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 716.756072][T16250] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 716.756074][T16250] ? __dev_get_by_name (net/core/dev.c:905) [ 716.756076][T16250] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 716.756079][T16250] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 716.756082][T16250] rtnl_newlink (net/core/rtnetlink.c:4215) [ 716.756084][T16250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.756085][T16250] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 716.756086][T16250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 716.756088][T16250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.756089][T16250] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 716.756092][T16250] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 716.756093][T16250] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 716.756096][T16250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.756097][T16250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 716.756099][T16250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.756100][T16250] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 716.756101][T16250] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 716.756103][T16250] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 716.756105][T16250] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 716.756106][T16250] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 716.756110][T16250] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 716.756113][T16250] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 716.756115][T16250] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 716.756117][T16250] ? netlink_ack (./include/linux/skbuff.h:2718) [ 716.756118][T16250] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 716.756121][T16250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.756122][T16250] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 716.756124][T16250] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 716.756126][T16250] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 716.756128][T16250] ? next_uptodate_folio (mm/filemap.c:3747) [ 716.756131][T16250] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 716.756133][T16250] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 716.756135][T16250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 716.756137][T16250] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 716.756140][T16250] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 716.756143][T16250] ____sys_sendmsg (net/socket.c:2713) [ 716.756145][T16250] ? copy_msghdr_from_user (net/socket.c:2650) [ 716.756147][T16250] ? sock_write_iter (net/socket.c:1269) [ 716.756148][T16250] ? move_addr_to_kernel (net/socket.c:258) [ 716.756151][T16250] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 716.756153][T16250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 716.756155][T16250] ___sys_sendmsg (net/socket.c:2767) [ 716.756157][T16250] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 716.756158][T16250] ? copy_msghdr_from_user (net/socket.c:2619) [ 716.756160][T16250] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 716.756165][T16250] __sys_sendmsg (net/socket.c:2799) [ 716.756167][T16250] ? __sys_sendmsg_sock (net/socket.c:2780) [ 716.756170][T16250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.756171][T16250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 716.756172][T16250] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 716.756175][T16250] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 716.756177][T16250] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 716.756182][T16250] RIP: 0033:0x7f24f802954e [ 716.756184][T16250] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 716.756186][T16250] RSP: 002b:00007ffc03a86d40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 716.756189][T16250] RAX: ffffffffffffffda RBX: 00007ffc03a87508 RCX: 00007f24f802954e [ 716.756191][T16250] RDX: 0000000000000000 RSI: 00007ffc03a86df0 RDI: 0000000000000005 [ 716.756192][T16250] RBP: 00007ffc03a86d50 R08: 0000000000000000 R09: 0000000000000000 [ 716.756193][T16250] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190de [ 716.756194][T16250] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc03a874c0 | [ 723.220817][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 723.220820][ T69] Preemption disabled at: | [ 723.220820][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 723.220831][ T69] Tainted: [W]=WARN [ 723.220832][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 723.220833][ T69] Workqueue: netns cleanup_net [ 723.220839][ T69] Call Trace: [ 723.220840][ T69] [ 723.220842][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 723.220848][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 723.220850][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 723.220853][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 723.220855][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 723.220859][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.220861][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 723.220864][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 723.220867][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 723.220872][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 723.220874][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 723.220876][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 723.220878][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 723.220880][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 723.220883][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 723.220887][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 723.220889][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 723.220891][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 723.220893][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.220894][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.220896][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 723.220899][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 723.220901][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.220902][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.220903][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.220904][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 723.220906][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 723.220908][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 723.220911][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 723.220913][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 723.220915][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 723.220917][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 723.220919][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.220920][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 723.220921][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 723.220923][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 723.220924][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 723.220926][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 723.220928][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 723.220929][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 723.220931][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 723.220932][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 723.220935][ T69] ? kthread (kernel/kthread.c:436) [ 723.220937][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 723.220940][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 723.220943][ T69] _printk (kernel/printk/printk.c:2504) [ 723.220946][ T69] ? snapshot_read.cold (user.c:?) [ 723.220948][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 723.220951][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 723.220953][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 723.220956][ T69] ? netdev_notice (net/core/dev.c:13194) [ 723.220958][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.220959][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 723.220961][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 723.220964][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 723.220965][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 723.220967][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 723.220969][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 723.220972][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 723.220976][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 723.220978][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 723.220981][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 723.220983][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 723.220985][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 723.220987][ T69] cleanup_net (net/core/net_namespace.c:706) [ 723.220989][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 723.220991][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 723.220993][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 723.220995][ T69] process_one_work (kernel/workqueue.c:3387) [ 723.220998][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 723.221000][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 723.221003][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 723.221005][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 723.221007][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 723.221009][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 723.221011][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 723.221013][ T69] kthread (kernel/kthread.c:436) [ 723.221014][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 723.221016][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 723.221018][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 723.221019][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 723.221021][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 723.221024][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 723.221026][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 724.397877][T16402] softirqs last disabled at (0): 0x0 | [ 724.397879][T16402] Preemption disabled at: | [ 724.397880][T16402] vprintk_emit (kernel/printk/printk.c:2471) | [ 724.397890][T16402] Tainted: [W]=WARN [ 724.397891][T16402] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 724.397893][T16402] Call Trace: [ 724.397894][T16402] [ 724.397895][T16402] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 724.397901][T16402] ? vprintk_emit (kernel/printk/printk.c:2471) [ 724.397903][T16402] __might_resched.cold (kernel/sched/core.c:9234) [ 724.397906][T16402] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 724.397909][T16402] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 724.397912][T16402] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.397914][T16402] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 724.397917][T16402] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 724.397920][T16402] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 724.397925][T16402] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 724.397927][T16402] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 724.397930][T16402] put_chars (drivers/char/virtio_console.c:1176) [ 724.397932][T16402] ? __send_to_port (drivers/char/virtio_console.c:654) [ 724.397933][T16402] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 724.397936][T16402] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 724.397940][T16402] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 724.397942][T16402] ? vsnprintf (lib/vsprintf.c:2900) [ 724.397945][T16402] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 724.397947][T16402] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.397948][T16402] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.397950][T16402] console_emit_next_record (kernel/printk/printk.c:3183) [ 724.397953][T16402] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 724.397955][T16402] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.397956][T16402] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.397957][T16402] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.397958][T16402] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 724.397960][T16402] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 724.397962][T16402] console_flush_one_record (kernel/printk/printk.c:3268) [ 724.397965][T16402] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 724.397968][T16402] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 724.397969][T16402] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 724.397971][T16402] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 724.397973][T16402] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.397974][T16402] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 724.397975][T16402] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 724.397977][T16402] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 724.397979][T16402] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 724.397980][T16402] ? vprintk_emit (kernel/printk/printk.c:2478) [ 724.397982][T16402] vprintk_emit (kernel/printk/printk.c:2479) [ 724.397984][T16402] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 724.397985][T16402] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 724.397987][T16402] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 724.397990][T16402] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 724.397991][T16402] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.397993][T16402] _printk (kernel/printk/printk.c:2504) [ 724.397996][T16402] ? snapshot_read.cold (user.c:?) [ 724.397998][T16402] ? br_multicast_flood (??:?) [ 724.398001][T16402] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 724.398004][T16402] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 724.398005][T16402] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 724.398007][T16402] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 724.398010][T16402] br_init_port (net/bridge/br_stp_if.c:39) [ 724.398012][T16402] new_nbp (net/bridge/br_if.c:449) [ 724.398014][T16402] br_add_if (net/bridge/br_if.c:592) [ 724.398016][T16402] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 724.398020][T16402] do_set_master (net/core/rtnetlink.c:3071) [ 724.398022][T16402] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 724.398024][T16402] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 724.398025][T16402] ? __dev_get_by_name (net/core/dev.c:905) [ 724.398027][T16402] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 724.398031][T16402] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 724.398033][T16402] rtnl_newlink (net/core/rtnetlink.c:4215) [ 724.398035][T16402] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.398037][T16402] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 724.398038][T16402] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 724.398039][T16402] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.398041][T16402] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 724.398043][T16402] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 724.398045][T16402] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 724.398047][T16402] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.398049][T16402] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 724.398050][T16402] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.398051][T16402] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 724.398053][T16402] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 724.398054][T16402] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 724.398056][T16402] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 724.398057][T16402] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 724.398061][T16402] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 724.398065][T16402] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 724.398066][T16402] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 724.398068][T16402] ? netlink_ack (./include/linux/skbuff.h:2718) [ 724.398069][T16402] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 724.398072][T16402] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.398073][T16402] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 724.398075][T16402] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 724.398078][T16402] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 724.398080][T16402] ? next_uptodate_folio (mm/filemap.c:3747) [ 724.398083][T16402] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 724.398085][T16402] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 724.398087][T16402] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 724.398088][T16402] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 724.398091][T16402] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 724.398094][T16402] ____sys_sendmsg (net/socket.c:2713) [ 724.398096][T16402] ? copy_msghdr_from_user (net/socket.c:2650) [ 724.398098][T16402] ? sock_write_iter (net/socket.c:1269) [ 724.398099][T16402] ? move_addr_to_kernel (net/socket.c:258) [ 724.398101][T16402] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 724.398104][T16402] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 724.398106][T16402] ___sys_sendmsg (net/socket.c:2767) [ 724.398107][T16402] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 724.398109][T16402] ? copy_msghdr_from_user (net/socket.c:2619) [ 724.398111][T16402] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 724.398115][T16402] __sys_sendmsg (net/socket.c:2799) [ 724.398117][T16402] ? __sys_sendmsg_sock (net/socket.c:2780) [ 724.398120][T16402] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.398121][T16402] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 724.398123][T16402] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 724.398125][T16402] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 724.398127][T16402] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 724.398129][T16402] RIP: 0033:0x7fd96d3d354e [ 724.398131][T16402] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 724.398133][T16402] RSP: 002b:00007ffebb682ca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 724.398137][T16402] RAX: ffffffffffffffda RBX: 00007ffebb683468 RCX: 00007fd96d3d354e [ 724.398138][T16402] RDX: 0000000000000000 RSI: 00007ffebb682d50 RDI: 0000000000000005 [ 724.398139][T16402] RBP: 00007ffebb682cb0 R08: 0000000000000000 R09: 0000000000000000 [ 724.398140][T16402] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190e5 [ 724.398141][T16402] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffebb683420 | [ 725.725830][T16471] softirqs last disabled at (0): 0x0 | [ 725.725832][T16471] Preemption disabled at: | [ 725.725832][T16471] vprintk_emit (kernel/printk/printk.c:2471) | [ 725.725843][T16471] Tainted: [W]=WARN [ 725.725844][T16471] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 725.725846][T16471] Call Trace: [ 725.725847][T16471] [ 725.725848][T16471] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 725.725854][T16471] ? vprintk_emit (kernel/printk/printk.c:2471) [ 725.725855][T16471] __might_resched.cold (kernel/sched/core.c:9234) [ 725.725859][T16471] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 725.725862][T16471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.725865][T16471] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 725.725868][T16471] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 725.725871][T16471] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 725.725876][T16471] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 725.725878][T16471] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 725.725880][T16471] put_chars (drivers/char/virtio_console.c:1176) [ 725.725882][T16471] ? __send_to_port (drivers/char/virtio_console.c:654) [ 725.725883][T16471] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 725.725885][T16471] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 725.725887][T16471] ? pointer (lib/vsprintf.c:2577) [ 725.725891][T16471] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 725.725896][T16471] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 725.725898][T16471] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 725.725900][T16471] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 725.725902][T16471] console_emit_next_record (kernel/printk/printk.c:3183) [ 725.725905][T16471] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 725.725907][T16471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.725908][T16471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.725909][T16471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.725910][T16471] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 725.725912][T16471] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 725.725914][T16471] console_flush_one_record (kernel/printk/printk.c:3268) [ 725.725917][T16471] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 725.725920][T16471] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 725.725921][T16471] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 725.725923][T16471] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 725.725925][T16471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.725926][T16471] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 725.725927][T16471] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 725.725929][T16471] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 725.725931][T16471] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 725.725933][T16471] ? vprintk_emit (kernel/printk/printk.c:2478) [ 725.725934][T16471] vprintk_emit (kernel/printk/printk.c:2479) [ 725.725936][T16471] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 725.725937][T16471] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 725.725940][T16471] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 725.725943][T16471] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 725.725945][T16471] _printk (kernel/printk/printk.c:2504) [ 725.725948][T16471] ? snapshot_read.cold (user.c:?) [ 725.725950][T16471] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 725.725953][T16471] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 725.725956][T16471] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 725.725958][T16471] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 725.725961][T16471] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 725.725963][T16471] ? netdev_notice (net/core/dev.c:13194) [ 725.725965][T16471] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 725.725967][T16471] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 725.725970][T16471] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 725.725971][T16471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.725972][T16471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.725974][T16471] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 725.725975][T16471] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 725.725977][T16471] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 725.725978][T16471] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 725.725979][T16471] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 725.725981][T16471] ? register_netdev (net/core/dev.c:11618) [ 725.725982][T16471] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 725.725984][T16471] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 725.725987][T16471] ? __kernel_text_address (kernel/extable.c:79) [ 725.725990][T16471] ? write_profile (profile.c:?) [ 725.725993][T16471] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 725.725996][T16471] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 725.725998][T16471] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 725.726000][T16471] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 725.726001][T16471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.726002][T16471] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 725.726005][T16471] ? kasan_save_stack (mm/kasan/common.c:58) [ 725.726007][T16471] ? kasan_save_stack (mm/kasan/common.c:57) [ 725.726008][T16471] ? kasan_save_track (mm/kasan/common.c:78) [ 725.726010][T16471] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 725.726011][T16471] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 725.726012][T16471] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 725.726013][T16471] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 725.726014][T16471] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 725.726017][T16471] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 725.726019][T16471] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 725.726020][T16471] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 725.726023][T16471] ? ____sys_sendmsg (net/socket.c:2713) [ 725.726024][T16471] ? ___sys_sendmsg (net/socket.c:2767) [ 725.726026][T16471] ? __sys_sendmsg (net/socket.c:2799) [ 725.726028][T16471] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 725.726030][T16471] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 725.726033][T16471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.726034][T16471] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 725.726035][T16471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.726036][T16471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.726037][T16471] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 725.726039][T16471] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 725.726040][T16471] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 725.726042][T16471] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 725.726043][T16471] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 725.726044][T16471] ? nla_get_range_signed (lib/nlattr.c:270) [ 725.726048][T16471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.726049][T16471] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 725.726051][T16471] rtnl_newlink (net/core/rtnetlink.c:4215) [ 725.726053][T16471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.726054][T16471] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 725.726056][T16471] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 725.726057][T16471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.726059][T16471] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 725.726061][T16471] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 725.726062][T16471] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 725.726064][T16471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.726065][T16471] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 725.726068][T16471] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 725.726071][T16471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.726072][T16471] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 725.726074][T16471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.726075][T16471] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 725.726076][T16471] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 725.726078][T16471] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 725.726079][T16471] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 725.726081][T16471] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 725.726083][T16471] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 725.726085][T16471] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 725.726086][T16471] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 725.726088][T16471] ? netlink_ack (./include/linux/skbuff.h:2718) [ 725.726089][T16471] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 725.726092][T16471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.726094][T16471] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 725.726096][T16471] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 725.726098][T16471] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 725.726100][T16471] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 725.726101][T16471] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 725.726104][T16471] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 725.726105][T16471] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 725.726107][T16471] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 725.726108][T16471] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 725.726112][T16471] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 725.726113][T16471] ____sys_sendmsg (net/socket.c:2713) [ 725.726115][T16471] ? copy_msghdr_from_user (net/socket.c:2650) [ 725.726117][T16471] ? sock_write_iter (net/socket.c:1269) [ 725.726118][T16471] ? move_addr_to_kernel (net/socket.c:258) [ 725.726120][T16471] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 725.726123][T16471] ___sys_sendmsg (net/socket.c:2767) [ 725.726124][T16471] ? copy_msghdr_from_user (net/socket.c:2619) [ 725.726129][T16471] __sys_sendmsg (net/socket.c:2799) [ 725.726131][T16471] ? __sys_sendmsg_sock (net/socket.c:2780) [ 725.726134][T16471] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 725.726136][T16471] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 725.726138][T16471] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 725.726139][T16471] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 725.726141][T16471] RIP: 0033:0x7f768fd2254e [ 725.726143][T16471] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 725.726145][T16471] RSP: 002b:00007ffdad5070a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 725.726148][T16471] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f768fd2254e [ 725.726150][T16471] RDX: 0000000000000000 RSI: 00007ffdad507150 RDI: 0000000000000005 [ 725.726151][T16471] RBP: 00007ffdad5070b0 R08: 0000000000000000 R09: 0000000000000000 [ 725.726152][T16471] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190e7 [ 725.726153][T16471] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdad507810 | [ 726.833956][T16528] softirqs last disabled at (0): 0x0 | [ 726.833958][T16528] Preemption disabled at: | [ 726.833959][T16528] vprintk_emit (kernel/printk/printk.c:2471) | [ 726.833969][T16528] Tainted: [W]=WARN [ 726.833970][T16528] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 726.833972][T16528] Call Trace: [ 726.833974][T16528] [ 726.833975][T16528] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 726.833980][T16528] ? vprintk_emit (kernel/printk/printk.c:2471) [ 726.833982][T16528] __might_resched.cold (kernel/sched/core.c:9234) [ 726.833986][T16528] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 726.833988][T16528] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 726.833991][T16528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.833994][T16528] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 726.833997][T16528] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 726.834000][T16528] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 726.834005][T16528] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 726.834007][T16528] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 726.834009][T16528] put_chars (drivers/char/virtio_console.c:1176) [ 726.834011][T16528] ? __send_to_port (drivers/char/virtio_console.c:654) [ 726.834013][T16528] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 726.834016][T16528] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 726.834020][T16528] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 726.834022][T16528] ? vsnprintf (lib/vsprintf.c:2900) [ 726.834026][T16528] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 726.834027][T16528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.834028][T16528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.834030][T16528] console_emit_next_record (kernel/printk/printk.c:3183) [ 726.834033][T16528] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 726.834035][T16528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.834036][T16528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.834037][T16528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.834038][T16528] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 726.834041][T16528] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 726.834043][T16528] console_flush_one_record (kernel/printk/printk.c:3268) [ 726.834045][T16528] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 726.834048][T16528] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 726.834050][T16528] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 726.834051][T16528] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 726.834053][T16528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.834054][T16528] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 726.834056][T16528] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 726.834057][T16528] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 726.834059][T16528] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 726.834061][T16528] ? vprintk_emit (kernel/printk/printk.c:2478) [ 726.834062][T16528] vprintk_emit (kernel/printk/printk.c:2479) [ 726.834064][T16528] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 726.834065][T16528] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 726.834067][T16528] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 726.834070][T16528] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 726.834072][T16528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.834073][T16528] _printk (kernel/printk/printk.c:2504) [ 726.834076][T16528] ? snapshot_read.cold (user.c:?) [ 726.834078][T16528] ? br_multicast_flood (??:?) [ 726.834082][T16528] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 726.834085][T16528] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 726.834086][T16528] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 726.834088][T16528] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 726.834091][T16528] br_init_port (net/bridge/br_stp_if.c:39) [ 726.834093][T16528] new_nbp (net/bridge/br_if.c:449) [ 726.834095][T16528] br_add_if (net/bridge/br_if.c:592) [ 726.834097][T16528] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 726.834101][T16528] do_set_master (net/core/rtnetlink.c:3071) [ 726.834103][T16528] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 726.834105][T16528] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 726.834106][T16528] ? __dev_get_by_name (net/core/dev.c:905) [ 726.834108][T16528] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 726.834112][T16528] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 726.834114][T16528] rtnl_newlink (net/core/rtnetlink.c:4215) [ 726.834116][T16528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.834118][T16528] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 726.834119][T16528] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 726.834121][T16528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.834122][T16528] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 726.834125][T16528] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 726.834126][T16528] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 726.834129][T16528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.834130][T16528] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 726.834131][T16528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.834133][T16528] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 726.834134][T16528] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 726.834136][T16528] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 726.834137][T16528] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 726.834139][T16528] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 726.834143][T16528] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 726.834146][T16528] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 726.834148][T16528] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 726.834149][T16528] ? netlink_ack (./include/linux/skbuff.h:2718) [ 726.834151][T16528] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 726.834154][T16528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.834155][T16528] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 726.834157][T16528] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 726.834159][T16528] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 726.834161][T16528] ? next_uptodate_folio (mm/filemap.c:3747) [ 726.834164][T16528] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 726.834166][T16528] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 726.834168][T16528] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 726.834170][T16528] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 726.834174][T16528] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 726.834176][T16528] ____sys_sendmsg (net/socket.c:2713) [ 726.834181][T16528] ? copy_msghdr_from_user (net/socket.c:2650) [ 726.834183][T16528] ? sock_write_iter (net/socket.c:1269) [ 726.834184][T16528] ? move_addr_to_kernel (net/socket.c:258) [ 726.834187][T16528] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 726.834189][T16528] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 726.834191][T16528] ___sys_sendmsg (net/socket.c:2767) [ 726.834193][T16528] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 726.834195][T16528] ? copy_msghdr_from_user (net/socket.c:2619) [ 726.834196][T16528] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 726.834201][T16528] __sys_sendmsg (net/socket.c:2799) [ 726.834203][T16528] ? __sys_sendmsg_sock (net/socket.c:2780) [ 726.834206][T16528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.834207][T16528] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 726.834208][T16528] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 726.834211][T16528] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 726.834213][T16528] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 726.834215][T16528] RIP: 0033:0x7f72941c154e [ 726.834218][T16528] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 726.834219][T16528] RSP: 002b:00007ffce4f10ee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 726.834223][T16528] RAX: ffffffffffffffda RBX: 00007ffce4f116a8 RCX: 00007f72941c154e [ 726.834224][T16528] RDX: 0000000000000000 RSI: 00007ffce4f10f90 RDI: 0000000000000005 [ 726.834225][T16528] RBP: 00007ffce4f10ef0 R08: 0000000000000000 R09: 0000000000000000 [ 726.834226][T16528] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190e8 [ 726.834227][T16528] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce4f11660 | [ 733.361568][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 733.361571][ T69] Preemption disabled at: | [ 733.361571][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 733.361586][ T69] Tainted: [W]=WARN [ 733.361587][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 733.361589][ T69] Workqueue: netns cleanup_net [ 733.361595][ T69] Call Trace: [ 733.361596][ T69] [ 733.361597][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 733.361603][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 733.361604][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 733.361608][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 733.361610][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 733.361613][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 733.361616][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 733.361619][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 733.361622][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 733.361626][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 733.361628][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 733.361630][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 733.361632][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 733.361634][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 733.361636][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 733.361641][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 733.361643][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 733.361645][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 733.361647][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 733.361648][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 733.361650][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 733.361652][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 733.361654][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 733.361655][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 733.361656][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 733.361657][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 733.361660][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 733.361661][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 733.361664][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 733.361667][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 733.361669][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 733.361670][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 733.361672][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 733.361673][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 733.361675][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 733.361676][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 733.361678][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 733.361680][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 733.361682][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 733.361684][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 733.361685][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 733.361686][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 733.361689][ T69] ? kthread (kernel/kthread.c:436) [ 733.361691][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 733.361694][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 733.361696][ T69] _printk (kernel/printk/printk.c:2504) [ 733.361700][ T69] ? snapshot_read.cold (user.c:?) [ 733.361702][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 733.361705][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 733.361707][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 733.361710][ T69] ? netdev_notice (net/core/dev.c:13194) [ 733.361712][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 733.361713][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 733.361714][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 733.361717][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 733.361718][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 733.361720][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 733.361722][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 733.361725][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 733.361729][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 733.361731][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 733.361733][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 733.361735][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 733.361737][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 733.361740][ T69] cleanup_net (net/core/net_namespace.c:706) [ 733.361742][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 733.361744][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 733.361745][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 733.361747][ T69] process_one_work (kernel/workqueue.c:3387) [ 733.361750][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 733.361752][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 733.361755][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 733.361757][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 733.361759][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 733.361761][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 733.361763][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 733.361765][ T69] kthread (kernel/kthread.c:436) [ 733.361766][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 733.361768][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 733.361770][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 733.361772][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 733.361774][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 733.361776][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 733.361778][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 734.556102][T16683] softirqs last disabled at (0): 0x0 | [ 734.556104][T16683] Preemption disabled at: | [ 734.556104][T16683] vprintk_emit (kernel/printk/printk.c:2471) | [ 734.556114][T16683] Tainted: [W]=WARN [ 734.556115][T16683] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 734.556117][T16683] Call Trace: [ 734.556118][T16683] [ 734.556120][T16683] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 734.556126][T16683] ? vprintk_emit (kernel/printk/printk.c:2471) [ 734.556127][T16683] __might_resched.cold (kernel/sched/core.c:9234) [ 734.556131][T16683] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 734.556133][T16683] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 734.556136][T16683] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 734.556139][T16683] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 734.556142][T16683] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 734.556145][T16683] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 734.556150][T16683] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 734.556152][T16683] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 734.556154][T16683] put_chars (drivers/char/virtio_console.c:1176) [ 734.556156][T16683] ? __send_to_port (drivers/char/virtio_console.c:654) [ 734.556158][T16683] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 734.556160][T16683] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 734.556165][T16683] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 734.556167][T16683] ? vsnprintf (lib/vsprintf.c:2900) [ 734.556170][T16683] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 734.556172][T16683] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 734.556173][T16683] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 734.556174][T16683] console_emit_next_record (kernel/printk/printk.c:3183) [ 734.556177][T16683] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 734.556181][T16683] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 734.556182][T16683] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 734.556183][T16683] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 734.556184][T16683] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 734.556187][T16683] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 734.556189][T16683] console_flush_one_record (kernel/printk/printk.c:3268) [ 734.556191][T16683] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 734.556194][T16683] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 734.556196][T16683] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 734.556198][T16683] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 734.556200][T16683] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 734.556201][T16683] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 734.556202][T16683] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 734.556204][T16683] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 734.556205][T16683] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 734.556207][T16683] ? vprintk_emit (kernel/printk/printk.c:2478) [ 734.556209][T16683] vprintk_emit (kernel/printk/printk.c:2479) [ 734.556210][T16683] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 734.556211][T16683] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 734.556213][T16683] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 734.556216][T16683] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 734.556218][T16683] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 734.556219][T16683] _printk (kernel/printk/printk.c:2504) [ 734.556222][T16683] ? snapshot_read.cold (user.c:?) [ 734.556224][T16683] ? br_multicast_flood (??:?) [ 734.556228][T16683] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 734.556230][T16683] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 734.556232][T16683] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 734.556234][T16683] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 734.556236][T16683] br_init_port (net/bridge/br_stp_if.c:39) [ 734.556238][T16683] new_nbp (net/bridge/br_if.c:449) [ 734.556240][T16683] br_add_if (net/bridge/br_if.c:592) [ 734.556242][T16683] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 734.556247][T16683] do_set_master (net/core/rtnetlink.c:3071) [ 734.556249][T16683] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 734.556251][T16683] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 734.556252][T16683] ? __dev_get_by_name (net/core/dev.c:905) [ 734.556254][T16683] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 734.556258][T16683] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 734.556260][T16683] rtnl_newlink (net/core/rtnetlink.c:4215) [ 734.556262][T16683] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 734.556263][T16683] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 734.556265][T16683] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 734.556266][T16683] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 734.556267][T16683] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 734.556270][T16683] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 734.556272][T16683] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 734.556274][T16683] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 734.556275][T16683] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 734.556277][T16683] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 734.556278][T16683] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 734.556280][T16683] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 734.556281][T16683] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 734.556283][T16683] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 734.556284][T16683] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 734.556288][T16683] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 734.556291][T16683] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 734.556292][T16683] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 734.556294][T16683] ? netlink_ack (./include/linux/skbuff.h:2718) [ 734.556295][T16683] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 734.556298][T16683] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 734.556299][T16683] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 734.556301][T16683] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 734.556304][T16683] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 734.556306][T16683] ? next_uptodate_folio (mm/filemap.c:3747) [ 734.556309][T16683] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 734.556311][T16683] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 734.556313][T16683] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 734.556314][T16683] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 734.556318][T16683] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 734.556321][T16683] ____sys_sendmsg (net/socket.c:2713) [ 734.556323][T16683] ? copy_msghdr_from_user (net/socket.c:2650) [ 734.556324][T16683] ? sock_write_iter (net/socket.c:1269) [ 734.556326][T16683] ? move_addr_to_kernel (net/socket.c:258) [ 734.556328][T16683] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 734.556330][T16683] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 734.556332][T16683] ___sys_sendmsg (net/socket.c:2767) [ 734.556334][T16683] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 734.556336][T16683] ? copy_msghdr_from_user (net/socket.c:2619) [ 734.556337][T16683] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 734.556342][T16683] __sys_sendmsg (net/socket.c:2799) [ 734.556344][T16683] ? __sys_sendmsg_sock (net/socket.c:2780) [ 734.556347][T16683] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 734.556348][T16683] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 734.556349][T16683] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 734.556352][T16683] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 734.556354][T16683] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 734.556356][T16683] RIP: 0033:0x7fcf3431554e [ 734.556358][T16683] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 734.556360][T16683] RSP: 002b:00007ffe5c5fb990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 734.556363][T16683] RAX: ffffffffffffffda RBX: 00007ffe5c5fc158 RCX: 00007fcf3431554e [ 734.556365][T16683] RDX: 0000000000000000 RSI: 00007ffe5c5fba40 RDI: 0000000000000005 [ 734.556366][T16683] RBP: 00007ffe5c5fb9a0 R08: 0000000000000000 R09: 0000000000000000 [ 734.556367][T16683] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190ef [ 734.556368][T16683] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5c5fc110 | [ 735.849184][T16751] softirqs last disabled at (0): 0x0 | [ 735.849186][T16751] Preemption disabled at: | [ 735.849187][T16751] vprintk_emit (kernel/printk/printk.c:2471) | [ 735.849197][T16751] Tainted: [W]=WARN [ 735.849198][T16751] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 735.849200][T16751] Call Trace: [ 735.849202][T16751] [ 735.849203][T16751] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 735.849208][T16751] ? vprintk_emit (kernel/printk/printk.c:2471) [ 735.849210][T16751] __might_resched.cold (kernel/sched/core.c:9234) [ 735.849214][T16751] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 735.849217][T16751] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 735.849220][T16751] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 735.849223][T16751] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 735.849226][T16751] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 735.849231][T16751] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 735.849232][T16751] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 735.849235][T16751] put_chars (drivers/char/virtio_console.c:1176) [ 735.849237][T16751] ? __send_to_port (drivers/char/virtio_console.c:654) [ 735.849238][T16751] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 735.849241][T16751] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 735.849243][T16751] ? pointer (lib/vsprintf.c:2577) [ 735.849246][T16751] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 735.849251][T16751] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 735.849253][T16751] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 735.849254][T16751] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 735.849257][T16751] console_emit_next_record (kernel/printk/printk.c:3183) [ 735.849259][T16751] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 735.849262][T16751] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 735.849263][T16751] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 735.849264][T16751] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 735.849265][T16751] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 735.849267][T16751] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 735.849269][T16751] console_flush_one_record (kernel/printk/printk.c:3268) [ 735.849271][T16751] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 735.849274][T16751] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 735.849276][T16751] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 735.849278][T16751] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 735.849279][T16751] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 735.849281][T16751] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 735.849282][T16751] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 735.849284][T16751] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 735.849285][T16751] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 735.849287][T16751] ? vprintk_emit (kernel/printk/printk.c:2478) [ 735.849289][T16751] vprintk_emit (kernel/printk/printk.c:2479) [ 735.849291][T16751] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 735.849292][T16751] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 735.849294][T16751] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 735.849297][T16751] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 735.849300][T16751] _printk (kernel/printk/printk.c:2504) [ 735.849303][T16751] ? snapshot_read.cold (user.c:?) [ 735.849305][T16751] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 735.849307][T16751] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 735.849310][T16751] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 735.849312][T16751] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 735.849315][T16751] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 735.849318][T16751] ? netdev_notice (net/core/dev.c:13194) [ 735.849320][T16751] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 735.849321][T16751] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 735.849324][T16751] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 735.849326][T16751] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 735.849327][T16751] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 735.849328][T16751] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 735.849329][T16751] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 735.849331][T16751] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 735.849332][T16751] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 735.849333][T16751] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 735.849335][T16751] ? register_netdev (net/core/dev.c:11618) [ 735.849336][T16751] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 735.849338][T16751] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 735.849341][T16751] ? __kernel_text_address (kernel/extable.c:79) [ 735.849343][T16751] ? write_profile (profile.c:?) [ 735.849346][T16751] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 735.849350][T16751] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 735.849351][T16751] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 735.849353][T16751] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 735.849354][T16751] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 735.849355][T16751] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 735.849359][T16751] ? kasan_save_stack (mm/kasan/common.c:58) [ 735.849361][T16751] ? kasan_save_stack (mm/kasan/common.c:57) [ 735.849362][T16751] ? kasan_save_track (mm/kasan/common.c:78) [ 735.849363][T16751] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 735.849364][T16751] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 735.849365][T16751] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 735.849366][T16751] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 735.849368][T16751] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 735.849371][T16751] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 735.849372][T16751] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 735.849374][T16751] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 735.849376][T16751] ? ____sys_sendmsg (net/socket.c:2713) [ 735.849378][T16751] ? ___sys_sendmsg (net/socket.c:2767) [ 735.849379][T16751] ? __sys_sendmsg (net/socket.c:2799) [ 735.849381][T16751] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 735.849383][T16751] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 735.849386][T16751] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 735.849387][T16751] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 735.849388][T16751] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 735.849389][T16751] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 735.849391][T16751] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 735.849392][T16751] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 735.849393][T16751] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 735.849395][T16751] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 735.849396][T16751] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 735.849397][T16751] ? nla_get_range_signed (lib/nlattr.c:270) [ 735.849401][T16751] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 735.849402][T16751] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 735.849404][T16751] rtnl_newlink (net/core/rtnetlink.c:4215) [ 735.849406][T16751] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 735.849408][T16751] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 735.849409][T16751] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 735.849410][T16751] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 735.849412][T16751] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 735.849414][T16751] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 735.849416][T16751] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 735.849417][T16751] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 735.849418][T16751] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 735.849422][T16751] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 735.849424][T16751] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 735.849425][T16751] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 735.849427][T16751] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 735.849428][T16751] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 735.849429][T16751] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 735.849431][T16751] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 735.849433][T16751] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 735.849434][T16751] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 735.849437][T16751] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 735.849438][T16751] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 735.849440][T16751] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 735.849441][T16751] ? netlink_ack (./include/linux/skbuff.h:2718) [ 735.849443][T16751] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 735.849446][T16751] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 735.849447][T16751] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 735.849449][T16751] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 735.849451][T16751] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 735.849453][T16751] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 735.849455][T16751] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 735.849457][T16751] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 735.849459][T16751] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 735.849460][T16751] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 735.849462][T16751] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 735.849465][T16751] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 735.849467][T16751] ____sys_sendmsg (net/socket.c:2713) [ 735.849469][T16751] ? copy_msghdr_from_user (net/socket.c:2650) [ 735.849470][T16751] ? sock_write_iter (net/socket.c:1269) [ 735.849472][T16751] ? move_addr_to_kernel (net/socket.c:258) [ 735.849474][T16751] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 735.849476][T16751] ___sys_sendmsg (net/socket.c:2767) [ 735.849478][T16751] ? copy_msghdr_from_user (net/socket.c:2619) [ 735.849483][T16751] __sys_sendmsg (net/socket.c:2799) [ 735.849485][T16751] ? __sys_sendmsg_sock (net/socket.c:2780) [ 735.849488][T16751] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 735.849489][T16751] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 735.849491][T16751] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 735.849493][T16751] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 735.849494][T16751] RIP: 0033:0x7fecab5e454e [ 735.849496][T16751] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 735.849498][T16751] RSP: 002b:00007ffcc6877700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 735.849502][T16751] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fecab5e454e [ 735.849503][T16751] RDX: 0000000000000000 RSI: 00007ffcc68777b0 RDI: 0000000000000005 [ 735.849504][T16751] RBP: 00007ffcc6877710 R08: 0000000000000000 R09: 0000000000000000 [ 735.849505][T16751] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190f1 [ 735.849506][T16751] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc6877e70 | [ 736.946509][T16809] softirqs last disabled at (0): 0x0 | [ 736.946511][T16809] Preemption disabled at: | [ 736.946512][T16809] vprintk_emit (kernel/printk/printk.c:2471) | [ 736.946522][T16809] Tainted: [W]=WARN [ 736.946523][T16809] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 736.946525][T16809] Call Trace: [ 736.946527][T16809] [ 736.946528][T16809] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 736.946534][T16809] ? vprintk_emit (kernel/printk/printk.c:2471) [ 736.946535][T16809] __might_resched.cold (kernel/sched/core.c:9234) [ 736.946539][T16809] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 736.946541][T16809] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 736.946545][T16809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 736.946547][T16809] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 736.946551][T16809] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 736.946554][T16809] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 736.946559][T16809] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 736.946560][T16809] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 736.946564][T16809] put_chars (drivers/char/virtio_console.c:1176) [ 736.946565][T16809] ? __send_to_port (drivers/char/virtio_console.c:654) [ 736.946567][T16809] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 736.946569][T16809] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 736.946574][T16809] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 736.946576][T16809] ? vsnprintf (lib/vsprintf.c:2900) [ 736.946579][T16809] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 736.946581][T16809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 736.946582][T16809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 736.946583][T16809] console_emit_next_record (kernel/printk/printk.c:3183) [ 736.946586][T16809] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 736.946588][T16809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 736.946594][T16809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 736.946595][T16809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 736.946596][T16809] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 736.946599][T16809] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 736.946600][T16809] console_flush_one_record (kernel/printk/printk.c:3268) [ 736.946603][T16809] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 736.946606][T16809] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 736.946607][T16809] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 736.946609][T16809] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 736.946611][T16809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 736.946612][T16809] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 736.946614][T16809] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 736.946615][T16809] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 736.946617][T16809] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 736.946619][T16809] ? vprintk_emit (kernel/printk/printk.c:2478) [ 736.946620][T16809] vprintk_emit (kernel/printk/printk.c:2479) [ 736.946622][T16809] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 736.946623][T16809] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 736.946625][T16809] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 736.946628][T16809] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 736.946630][T16809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 736.946631][T16809] _printk (kernel/printk/printk.c:2504) [ 736.946634][T16809] ? snapshot_read.cold (user.c:?) [ 736.946636][T16809] ? br_multicast_flood (??:?) [ 736.946640][T16809] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 736.946643][T16809] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 736.946644][T16809] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 736.946646][T16809] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 736.946648][T16809] br_init_port (net/bridge/br_stp_if.c:39) [ 736.946650][T16809] new_nbp (net/bridge/br_if.c:449) [ 736.946653][T16809] br_add_if (net/bridge/br_if.c:592) [ 736.946654][T16809] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 736.946659][T16809] do_set_master (net/core/rtnetlink.c:3071) [ 736.946661][T16809] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 736.946663][T16809] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 736.946664][T16809] ? __dev_get_by_name (net/core/dev.c:905) [ 736.946666][T16809] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 736.946670][T16809] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 736.946672][T16809] rtnl_newlink (net/core/rtnetlink.c:4215) [ 736.946674][T16809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 736.946676][T16809] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 736.946677][T16809] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 736.946678][T16809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 736.946680][T16809] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 736.946682][T16809] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 736.946684][T16809] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 736.946687][T16809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 736.946688][T16809] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 736.946689][T16809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 736.946691][T16809] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 736.946692][T16809] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 736.946694][T16809] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 736.946695][T16809] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 736.946697][T16809] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 736.946700][T16809] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 736.946704][T16809] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 736.946705][T16809] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 736.946707][T16809] ? netlink_ack (./include/linux/skbuff.h:2718) [ 736.946708][T16809] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 736.946711][T16809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 736.946712][T16809] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 736.946714][T16809] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 736.946717][T16809] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 736.946719][T16809] ? next_uptodate_folio (mm/filemap.c:3747) [ 736.946721][T16809] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 736.946724][T16809] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 736.946726][T16809] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 736.946727][T16809] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 736.946731][T16809] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 736.946734][T16809] ____sys_sendmsg (net/socket.c:2713) [ 736.946735][T16809] ? copy_msghdr_from_user (net/socket.c:2650) [ 736.946737][T16809] ? sock_write_iter (net/socket.c:1269) [ 736.946739][T16809] ? move_addr_to_kernel (net/socket.c:258) [ 736.946741][T16809] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 736.946743][T16809] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 736.946745][T16809] ___sys_sendmsg (net/socket.c:2767) [ 736.946747][T16809] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 736.946749][T16809] ? copy_msghdr_from_user (net/socket.c:2619) [ 736.946751][T16809] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 736.946755][T16809] __sys_sendmsg (net/socket.c:2799) [ 736.946758][T16809] ? __sys_sendmsg_sock (net/socket.c:2780) [ 736.946760][T16809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 736.946761][T16809] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 736.946763][T16809] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 736.946765][T16809] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 736.946767][T16809] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 736.946770][T16809] RIP: 0033:0x7f382c36b54e [ 736.946772][T16809] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 736.946774][T16809] RSP: 002b:00007ffcd7cd8b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 736.946778][T16809] RAX: ffffffffffffffda RBX: 00007ffcd7cd9328 RCX: 00007f382c36b54e [ 736.946779][T16809] RDX: 0000000000000000 RSI: 00007ffcd7cd8c10 RDI: 0000000000000005 [ 736.946780][T16809] RBP: 00007ffcd7cd8b70 R08: 0000000000000000 R09: 0000000000000000 [ 736.946781][T16809] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190f2 [ 736.946782][T16809] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd7cd92e0 | [ 743.441732][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 743.441734][ T69] Preemption disabled at: | [ 743.441735][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 743.441745][ T69] Tainted: [W]=WARN [ 743.441746][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 743.441748][ T69] Workqueue: netns cleanup_net [ 743.441754][ T69] Call Trace: [ 743.441755][ T69] [ 743.441757][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 743.441763][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 743.441764][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 743.441768][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 743.441770][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 743.441773][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 743.441775][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 743.441778][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 743.441781][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 743.441786][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 743.441788][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 743.441791][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 743.441792][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 743.441794][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 743.441797][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 743.441801][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 743.441803][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 743.441805][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 743.441807][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 743.441808][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 743.441810][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 743.441812][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 743.441814][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 743.441815][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 743.441816][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 743.441817][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 743.441820][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 743.441822][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 743.441824][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 743.441827][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 743.441829][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 743.441831][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 743.441832][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 743.441833][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 743.441835][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 743.441836][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 743.441838][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 743.441840][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 743.441841][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 743.441843][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 743.441844][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 743.441846][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 743.441849][ T69] ? kthread (kernel/kthread.c:436) [ 743.441851][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 743.441854][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 743.441857][ T69] _printk (kernel/printk/printk.c:2504) [ 743.441860][ T69] ? snapshot_read.cold (user.c:?) [ 743.441862][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 743.441865][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 743.441867][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 743.441870][ T69] ? netdev_notice (net/core/dev.c:13194) [ 743.441872][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 743.441873][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 743.441874][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 743.441877][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 743.441879][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 743.441880][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 743.441883][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 743.441885][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 743.441889][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 743.441891][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 743.441894][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 743.441896][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 743.441898][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 743.441901][ T69] cleanup_net (net/core/net_namespace.c:706) [ 743.441903][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 743.441905][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 743.441906][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 743.441908][ T69] process_one_work (kernel/workqueue.c:3387) [ 743.441911][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 743.441913][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 743.441916][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 743.441918][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 743.441920][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 743.441922][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 743.441924][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 743.441926][ T69] kthread (kernel/kthread.c:436) [ 743.441927][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 743.441929][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 743.441931][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 743.441933][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 743.441935][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 743.441937][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 743.441940][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 744.692213][T16962] softirqs last disabled at (0): 0x0 | [ 744.692215][T16962] Preemption disabled at: | [ 744.692216][T16962] vprintk_emit (kernel/printk/printk.c:2471) | [ 744.692226][T16962] Tainted: [W]=WARN [ 744.692227][T16962] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 744.692229][T16962] Call Trace: [ 744.692230][T16962] [ 744.692232][T16962] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 744.692238][T16962] ? vprintk_emit (kernel/printk/printk.c:2471) [ 744.692239][T16962] __might_resched.cold (kernel/sched/core.c:9234) [ 744.692243][T16962] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 744.692245][T16962] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 744.692248][T16962] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 744.692251][T16962] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 744.692254][T16962] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 744.692257][T16962] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 744.692262][T16962] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 744.692264][T16962] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 744.692266][T16962] put_chars (drivers/char/virtio_console.c:1176) [ 744.692268][T16962] ? __send_to_port (drivers/char/virtio_console.c:654) [ 744.692270][T16962] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 744.692272][T16962] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 744.692277][T16962] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 744.692279][T16962] ? vsnprintf (lib/vsprintf.c:2900) [ 744.692282][T16962] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 744.692284][T16962] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 744.692285][T16962] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 744.692287][T16962] console_emit_next_record (kernel/printk/printk.c:3183) [ 744.692290][T16962] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 744.692292][T16962] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 744.692293][T16962] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 744.692294][T16962] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 744.692295][T16962] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 744.692297][T16962] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 744.692299][T16962] console_flush_one_record (kernel/printk/printk.c:3268) [ 744.692302][T16962] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 744.692304][T16962] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 744.692306][T16962] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 744.692308][T16962] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 744.692310][T16962] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 744.692311][T16962] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 744.692312][T16962] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 744.692314][T16962] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 744.692315][T16962] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 744.692317][T16962] ? vprintk_emit (kernel/printk/printk.c:2478) [ 744.692319][T16962] vprintk_emit (kernel/printk/printk.c:2479) [ 744.692321][T16962] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 744.692322][T16962] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 744.692323][T16962] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 744.692326][T16962] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 744.692328][T16962] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 744.692329][T16962] _printk (kernel/printk/printk.c:2504) [ 744.692332][T16962] ? snapshot_read.cold (user.c:?) [ 744.692334][T16962] ? br_multicast_flood (??:?) [ 744.692338][T16962] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 744.692341][T16962] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 744.692342][T16962] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 744.692344][T16962] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 744.692347][T16962] br_init_port (net/bridge/br_stp_if.c:39) [ 744.692348][T16962] new_nbp (net/bridge/br_if.c:449) [ 744.692351][T16962] br_add_if (net/bridge/br_if.c:592) [ 744.692352][T16962] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 744.692357][T16962] do_set_master (net/core/rtnetlink.c:3071) [ 744.692359][T16962] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 744.692360][T16962] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 744.692362][T16962] ? __dev_get_by_name (net/core/dev.c:905) [ 744.692363][T16962] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 744.692367][T16962] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 744.692370][T16962] rtnl_newlink (net/core/rtnetlink.c:4215) [ 744.692372][T16962] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 744.692373][T16962] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 744.692374][T16962] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 744.692376][T16962] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 744.692377][T16962] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 744.692380][T16962] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 744.692381][T16962] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 744.692384][T16962] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 744.692385][T16962] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 744.692387][T16962] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 744.692388][T16962] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 744.692389][T16962] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 744.692391][T16962] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 744.692392][T16962] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 744.692394][T16962] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 744.692398][T16962] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 744.692401][T16962] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 744.692402][T16962] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 744.692404][T16962] ? netlink_ack (./include/linux/skbuff.h:2718) [ 744.692405][T16962] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 744.692408][T16962] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 744.692410][T16962] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 744.692412][T16962] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 744.692414][T16962] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 744.692416][T16962] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 744.692419][T16962] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 744.692422][T16962] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 744.692424][T16962] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 744.692426][T16962] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 744.692427][T16962] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 744.692431][T16962] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 744.692434][T16962] ____sys_sendmsg (net/socket.c:2713) [ 744.692436][T16962] ? copy_msghdr_from_user (net/socket.c:2650) [ 744.692438][T16962] ? sock_write_iter (net/socket.c:1269) [ 744.692439][T16962] ? move_addr_to_kernel (net/socket.c:258) [ 744.692441][T16962] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 744.692444][T16962] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 744.692446][T16962] ___sys_sendmsg (net/socket.c:2767) [ 744.692447][T16962] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 744.692449][T16962] ? copy_msghdr_from_user (net/socket.c:2619) [ 744.692451][T16962] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 744.692455][T16962] __sys_sendmsg (net/socket.c:2799) [ 744.692457][T16962] ? __sys_sendmsg_sock (net/socket.c:2780) [ 744.692460][T16962] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 744.692461][T16962] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 744.692463][T16962] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 744.692465][T16962] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 744.692467][T16962] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 744.692469][T16962] RIP: 0033:0x7f824f1f154e [ 744.692471][T16962] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 744.692472][T16962] RSP: 002b:00007fff70033d20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 744.692476][T16962] RAX: ffffffffffffffda RBX: 00007fff700344e8 RCX: 00007f824f1f154e [ 744.692477][T16962] RDX: 0000000000000000 RSI: 00007fff70033dd0 RDI: 0000000000000005 [ 744.692478][T16962] RBP: 00007fff70033d30 R08: 0000000000000000 R09: 0000000000000000 [ 744.692479][T16962] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190fa [ 744.692480][T16962] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff700344a0 | [ 745.997561][T17031] softirqs last disabled at (0): 0x0 | [ 745.997563][T17031] Preemption disabled at: | [ 745.997564][T17031] vprintk_emit (kernel/printk/printk.c:2471) | [ 745.997574][T17031] Tainted: [W]=WARN [ 745.997575][T17031] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 745.997577][T17031] Call Trace: [ 745.997579][T17031] [ 745.997580][T17031] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 745.997586][T17031] ? vprintk_emit (kernel/printk/printk.c:2471) [ 745.997587][T17031] __might_resched.cold (kernel/sched/core.c:9234) [ 745.997591][T17031] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 745.997595][T17031] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 745.997597][T17031] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 745.997600][T17031] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 745.997604][T17031] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 745.997609][T17031] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 745.997610][T17031] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 745.997613][T17031] put_chars (drivers/char/virtio_console.c:1176) [ 745.997615][T17031] ? __send_to_port (drivers/char/virtio_console.c:654) [ 745.997616][T17031] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 745.997618][T17031] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 745.997620][T17031] ? pointer (lib/vsprintf.c:2577) [ 745.997627][T17031] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 745.997632][T17031] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 745.997634][T17031] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 745.997636][T17031] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 745.997638][T17031] console_emit_next_record (kernel/printk/printk.c:3183) [ 745.997641][T17031] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 745.997643][T17031] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 745.997644][T17031] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 745.997645][T17031] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 745.997647][T17031] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 745.997649][T17031] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 745.997650][T17031] console_flush_one_record (kernel/printk/printk.c:3268) [ 745.997653][T17031] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 745.997656][T17031] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 745.997657][T17031] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 745.997659][T17031] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 745.997661][T17031] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 745.997662][T17031] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 745.997664][T17031] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 745.997665][T17031] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 745.997667][T17031] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 745.997669][T17031] ? vprintk_emit (kernel/printk/printk.c:2478) [ 745.997670][T17031] vprintk_emit (kernel/printk/printk.c:2479) [ 745.997672][T17031] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 745.997673][T17031] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 745.997676][T17031] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 745.997678][T17031] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 745.997681][T17031] _printk (kernel/printk/printk.c:2504) [ 745.997684][T17031] ? snapshot_read.cold (user.c:?) [ 745.997686][T17031] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 745.997688][T17031] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 745.997691][T17031] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 745.997693][T17031] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 745.997696][T17031] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 745.997698][T17031] ? netdev_notice (net/core/dev.c:13194) [ 745.997700][T17031] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 745.997702][T17031] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 745.997705][T17031] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 745.997706][T17031] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 745.997707][T17031] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 745.997709][T17031] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 745.997710][T17031] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 745.997712][T17031] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 745.997713][T17031] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 745.997714][T17031] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 745.997716][T17031] ? register_netdev (net/core/dev.c:11618) [ 745.997717][T17031] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 745.997719][T17031] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 745.997722][T17031] ? __kernel_text_address (kernel/extable.c:79) [ 745.997724][T17031] ? write_profile (profile.c:?) [ 745.997727][T17031] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 745.997731][T17031] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 745.997733][T17031] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 745.997734][T17031] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 745.997736][T17031] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 745.997737][T17031] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 745.997740][T17031] ? kasan_save_stack (mm/kasan/common.c:58) [ 745.997742][T17031] ? kasan_save_stack (mm/kasan/common.c:57) [ 745.997743][T17031] ? kasan_save_track (mm/kasan/common.c:78) [ 745.997744][T17031] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 745.997745][T17031] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 745.997746][T17031] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 745.997747][T17031] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 745.997749][T17031] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 745.997752][T17031] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 745.997753][T17031] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 745.997755][T17031] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 745.997757][T17031] ? ____sys_sendmsg (net/socket.c:2713) [ 745.997759][T17031] ? ___sys_sendmsg (net/socket.c:2767) [ 745.997760][T17031] ? __sys_sendmsg (net/socket.c:2799) [ 745.997762][T17031] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 745.997764][T17031] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 745.997767][T17031] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 745.997768][T17031] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 745.997770][T17031] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 745.997771][T17031] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 745.997772][T17031] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 745.997773][T17031] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 745.997775][T17031] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 745.997776][T17031] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 745.997778][T17031] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 745.997779][T17031] ? nla_get_range_signed (lib/nlattr.c:270) [ 745.997782][T17031] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 745.997784][T17031] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 745.997786][T17031] rtnl_newlink (net/core/rtnetlink.c:4215) [ 745.997788][T17031] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 745.997789][T17031] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 745.997790][T17031] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 745.997791][T17031] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 745.997793][T17031] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 745.997795][T17031] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 745.997797][T17031] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 745.997798][T17031] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 745.997799][T17031] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 745.997803][T17031] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 745.997805][T17031] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 745.997806][T17031] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 745.997808][T17031] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 745.997809][T17031] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 745.997810][T17031] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 745.997812][T17031] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 745.997813][T17031] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 745.997815][T17031] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 745.997817][T17031] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 745.997819][T17031] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 745.997821][T17031] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 745.997822][T17031] ? netlink_ack (./include/linux/skbuff.h:2718) [ 745.997824][T17031] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 745.997827][T17031] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 745.997828][T17031] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 745.997830][T17031] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 745.997832][T17031] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 745.997834][T17031] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 745.997836][T17031] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 745.997838][T17031] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 745.997840][T17031] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 745.997841][T17031] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 745.997843][T17031] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 745.997846][T17031] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 745.997848][T17031] ____sys_sendmsg (net/socket.c:2713) [ 745.997850][T17031] ? copy_msghdr_from_user (net/socket.c:2650) [ 745.997851][T17031] ? sock_write_iter (net/socket.c:1269) [ 745.997853][T17031] ? move_addr_to_kernel (net/socket.c:258) [ 745.997855][T17031] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 745.997857][T17031] ___sys_sendmsg (net/socket.c:2767) [ 745.997859][T17031] ? copy_msghdr_from_user (net/socket.c:2619) [ 745.997864][T17031] __sys_sendmsg (net/socket.c:2799) [ 745.997866][T17031] ? __sys_sendmsg_sock (net/socket.c:2780) [ 745.997869][T17031] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 745.997870][T17031] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 745.997872][T17031] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 745.997874][T17031] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 745.997875][T17031] RIP: 0033:0x7f1b1f81854e [ 745.997877][T17031] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 745.997879][T17031] RSP: 002b:00007fff60284c60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 745.997882][T17031] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1b1f81854e [ 745.997884][T17031] RDX: 0000000000000000 RSI: 00007fff60284d10 RDI: 0000000000000005 [ 745.997885][T17031] RBP: 00007fff60284c70 R08: 0000000000000000 R09: 0000000000000000 [ 745.997886][T17031] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190fb [ 745.997887][T17031] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff602853d0 | [ 747.128344][T17081] softirqs last disabled at (0): 0x0 | [ 747.128346][T17081] Preemption disabled at: | [ 747.128346][T17081] vprintk_emit (kernel/printk/printk.c:2471) | [ 747.128357][T17081] Tainted: [W]=WARN [ 747.128358][T17081] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 747.128360][T17081] Call Trace: [ 747.128361][T17081] [ 747.128363][T17081] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 747.128368][T17081] ? vprintk_emit (kernel/printk/printk.c:2471) [ 747.128370][T17081] __might_resched.cold (kernel/sched/core.c:9234) [ 747.128374][T17081] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 747.128376][T17081] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 747.128379][T17081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 747.128382][T17081] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 747.128385][T17081] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 747.128388][T17081] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 747.128393][T17081] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 747.128395][T17081] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 747.128397][T17081] put_chars (drivers/char/virtio_console.c:1176) [ 747.128399][T17081] ? __send_to_port (drivers/char/virtio_console.c:654) [ 747.128401][T17081] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 747.128403][T17081] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 747.128408][T17081] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 747.128410][T17081] ? vsnprintf (lib/vsprintf.c:2900) [ 747.128413][T17081] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 747.128415][T17081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 747.128416][T17081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 747.128418][T17081] console_emit_next_record (kernel/printk/printk.c:3183) [ 747.128420][T17081] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 747.128423][T17081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 747.128424][T17081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 747.128424][T17081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 747.128426][T17081] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 747.128428][T17081] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 747.128430][T17081] console_flush_one_record (kernel/printk/printk.c:3268) [ 747.128432][T17081] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 747.128435][T17081] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 747.128437][T17081] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 747.128438][T17081] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 747.128440][T17081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 747.128441][T17081] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 747.128442][T17081] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 747.128444][T17081] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 747.128445][T17081] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 747.128447][T17081] ? vprintk_emit (kernel/printk/printk.c:2478) [ 747.128449][T17081] vprintk_emit (kernel/printk/printk.c:2479) [ 747.128450][T17081] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 747.128452][T17081] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 747.128453][T17081] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 747.128456][T17081] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 747.128458][T17081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 747.128460][T17081] _printk (kernel/printk/printk.c:2504) [ 747.128463][T17081] ? snapshot_read.cold (user.c:?) [ 747.128465][T17081] ? br_multicast_flood (??:?) [ 747.128468][T17081] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 747.128471][T17081] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 747.128472][T17081] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 747.128474][T17081] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 747.128477][T17081] br_init_port (net/bridge/br_stp_if.c:39) [ 747.128479][T17081] new_nbp (net/bridge/br_if.c:449) [ 747.128481][T17081] br_add_if (net/bridge/br_if.c:592) [ 747.128483][T17081] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 747.128487][T17081] do_set_master (net/core/rtnetlink.c:3071) [ 747.128489][T17081] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 747.128491][T17081] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 747.128492][T17081] ? __dev_get_by_name (net/core/dev.c:905) [ 747.128494][T17081] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 747.128497][T17081] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 747.128500][T17081] rtnl_newlink (net/core/rtnetlink.c:4215) [ 747.128502][T17081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 747.128503][T17081] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 747.128504][T17081] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 747.128506][T17081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 747.128507][T17081] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 747.128510][T17081] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 747.128511][T17081] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 747.128514][T17081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 747.128515][T17081] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 747.128517][T17081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 747.128518][T17081] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 747.128519][T17081] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 747.128521][T17081] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 747.128522][T17081] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 747.128524][T17081] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 747.128528][T17081] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 747.128531][T17081] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 747.128533][T17081] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 747.128534][T17081] ? netlink_ack (./include/linux/skbuff.h:2718) [ 747.128536][T17081] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 747.128539][T17081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 747.128540][T17081] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 747.128543][T17081] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 747.128545][T17081] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 747.128547][T17081] ? next_uptodate_folio (mm/filemap.c:3747) [ 747.128550][T17081] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 747.128552][T17081] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 747.128554][T17081] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 747.128556][T17081] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 747.128559][T17081] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 747.128562][T17081] ____sys_sendmsg (net/socket.c:2713) [ 747.128564][T17081] ? copy_msghdr_from_user (net/socket.c:2650) [ 747.128565][T17081] ? sock_write_iter (net/socket.c:1269) [ 747.128567][T17081] ? move_addr_to_kernel (net/socket.c:258) [ 747.128569][T17081] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 747.128572][T17081] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 747.128574][T17081] ___sys_sendmsg (net/socket.c:2767) [ 747.128575][T17081] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 747.128577][T17081] ? copy_msghdr_from_user (net/socket.c:2619) [ 747.128579][T17081] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 747.128583][T17081] __sys_sendmsg (net/socket.c:2799) [ 747.128585][T17081] ? __sys_sendmsg_sock (net/socket.c:2780) [ 747.128588][T17081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 747.128589][T17081] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 747.128591][T17081] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 747.128593][T17081] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 747.128595][T17081] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 747.128597][T17081] RIP: 0033:0x7f27ee6aa54e [ 747.128599][T17081] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 747.128601][T17081] RSP: 002b:00007ffc078e5980 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 747.128605][T17081] RAX: ffffffffffffffda RBX: 00007ffc078e6148 RCX: 00007f27ee6aa54e [ 747.128606][T17081] RDX: 0000000000000000 RSI: 00007ffc078e5a30 RDI: 0000000000000005 [ 747.128607][T17081] RBP: 00007ffc078e5990 R08: 0000000000000000 R09: 0000000000000000 [ 747.128608][T17081] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9190fc [ 747.128609][T17081] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc078e6100 | [ 782.602195][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 782.602198][ T69] Preemption disabled at: | [ 782.602199][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 782.602209][ T69] Tainted: [W]=WARN [ 782.602210][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 782.602211][ T69] Workqueue: netns cleanup_net [ 782.602217][ T69] Call Trace: [ 782.602219][ T69] [ 782.602221][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 782.602226][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 782.602228][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 782.602231][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 782.602233][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 782.602236][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 782.602239][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 782.602242][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 782.602245][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 782.602249][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 782.602251][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 782.602254][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 782.602255][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 782.602257][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 782.602260][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 782.602265][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 782.602266][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 782.602269][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 782.602270][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 782.602271][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 782.602273][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 782.602276][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 782.602278][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 782.602279][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 782.602280][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 782.602282][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 782.602284][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 782.602286][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 782.602288][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 782.602291][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 782.602293][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 782.602295][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 782.602296][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 782.602297][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 782.602299][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 782.602301][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 782.602302][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 782.602304][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 782.602305][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 782.602307][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 782.602308][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 782.602310][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 782.602313][ T69] ? kthread (kernel/kthread.c:436) [ 782.602315][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 782.602318][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 782.602320][ T69] _printk (kernel/printk/printk.c:2504) [ 782.602324][ T69] ? snapshot_read.cold (user.c:?) [ 782.602326][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 782.602329][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 782.602331][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 782.602334][ T69] ? netdev_notice (net/core/dev.c:13194) [ 782.602336][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 782.602337][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 782.602339][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 782.602342][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 782.602343][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 782.602345][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 782.602347][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 782.602349][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 782.602353][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 782.602356][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 782.602358][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 782.602361][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 782.602362][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 782.602365][ T69] cleanup_net (net/core/net_namespace.c:706) [ 782.602367][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 782.602369][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 782.602371][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 782.602372][ T69] process_one_work (kernel/workqueue.c:3387) [ 782.602375][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 782.602378][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 782.602380][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 782.602383][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 782.602385][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 782.602386][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 782.602388][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 782.602390][ T69] kthread (kernel/kthread.c:436) [ 782.602392][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 782.602393][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 782.602395][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 782.602397][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 782.602399][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 782.602402][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 782.602404][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 783.791546][T19392] softirqs last disabled at (0): 0x0 | [ 783.791547][T19392] Preemption disabled at: | [ 783.791548][T19392] vprintk_emit (kernel/printk/printk.c:2471) | [ 783.791558][T19392] Tainted: [W]=WARN [ 783.791559][T19392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 783.791560][T19392] Call Trace: [ 783.791562][T19392] [ 783.791563][T19392] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 783.791569][T19392] ? vprintk_emit (kernel/printk/printk.c:2471) [ 783.791570][T19392] __might_resched.cold (kernel/sched/core.c:9234) [ 783.791574][T19392] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 783.791576][T19392] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 783.791579][T19392] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 783.791582][T19392] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 783.791585][T19392] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 783.791588][T19392] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 783.791593][T19392] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 783.791595][T19392] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 783.791597][T19392] put_chars (drivers/char/virtio_console.c:1176) [ 783.791599][T19392] ? __send_to_port (drivers/char/virtio_console.c:654) [ 783.791600][T19392] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 783.791603][T19392] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 783.791608][T19392] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 783.791610][T19392] ? vsnprintf (lib/vsprintf.c:2900) [ 783.791613][T19392] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 783.791615][T19392] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 783.791616][T19392] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 783.791618][T19392] console_emit_next_record (kernel/printk/printk.c:3183) [ 783.791620][T19392] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 783.791622][T19392] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 783.791623][T19392] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 783.791624][T19392] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 783.791625][T19392] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 783.791628][T19392] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 783.791630][T19392] console_flush_one_record (kernel/printk/printk.c:3268) [ 783.791632][T19392] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 783.791635][T19392] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 783.791637][T19392] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 783.791639][T19392] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 783.791640][T19392] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 783.791641][T19392] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 783.791643][T19392] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 783.791645][T19392] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 783.791646][T19392] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 783.791648][T19392] ? vprintk_emit (kernel/printk/printk.c:2478) [ 783.791650][T19392] vprintk_emit (kernel/printk/printk.c:2479) [ 783.791651][T19392] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 783.791653][T19392] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 783.791654][T19392] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 783.791657][T19392] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 783.791659][T19392] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 783.791660][T19392] _printk (kernel/printk/printk.c:2504) [ 783.791663][T19392] ? snapshot_read.cold (user.c:?) [ 783.791665][T19392] ? br_multicast_flood (??:?) [ 783.791669][T19392] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 783.791672][T19392] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 783.791673][T19392] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 783.791675][T19392] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 783.791678][T19392] br_init_port (net/bridge/br_stp_if.c:39) [ 783.791679][T19392] new_nbp (net/bridge/br_if.c:449) [ 783.791682][T19392] br_add_if (net/bridge/br_if.c:592) [ 783.791684][T19392] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 783.791688][T19392] do_set_master (net/core/rtnetlink.c:3071) [ 783.791690][T19392] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 783.791692][T19392] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 783.791693][T19392] ? __dev_get_by_name (net/core/dev.c:905) [ 783.791695][T19392] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 783.791699][T19392] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 783.791701][T19392] rtnl_newlink (net/core/rtnetlink.c:4215) [ 783.791703][T19392] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 783.791704][T19392] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 783.791706][T19392] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 783.791707][T19392] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 783.791708][T19392] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 783.791711][T19392] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 783.791713][T19392] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 783.791715][T19392] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 783.791717][T19392] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 783.791718][T19392] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 783.791719][T19392] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 783.791721][T19392] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 783.791723][T19392] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 783.791724][T19392] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 783.791726][T19392] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 783.791729][T19392] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 783.791733][T19392] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 783.791734][T19392] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 783.791736][T19392] ? netlink_ack (./include/linux/skbuff.h:2718) [ 783.791738][T19392] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 783.791741][T19392] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 783.791742][T19392] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 783.791744][T19392] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 783.791746][T19392] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 783.791748][T19392] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 783.791751][T19392] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 783.791754][T19392] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 783.791756][T19392] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 783.791758][T19392] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 783.791759][T19392] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 783.791767][T19392] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 783.791770][T19392] ____sys_sendmsg (net/socket.c:2713) [ 783.791772][T19392] ? copy_msghdr_from_user (net/socket.c:2650) [ 783.791774][T19392] ? sock_write_iter (net/socket.c:1269) [ 783.791775][T19392] ? move_addr_to_kernel (net/socket.c:258) [ 783.791777][T19392] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 783.791780][T19392] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 783.791782][T19392] ___sys_sendmsg (net/socket.c:2767) [ 783.791783][T19392] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 783.791785][T19392] ? copy_msghdr_from_user (net/socket.c:2619) [ 783.791787][T19392] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 783.791791][T19392] __sys_sendmsg (net/socket.c:2799) [ 783.791794][T19392] ? __sys_sendmsg_sock (net/socket.c:2780) [ 783.791796][T19392] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 783.791798][T19392] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 783.791799][T19392] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 783.791801][T19392] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 783.791803][T19392] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 783.791805][T19392] RIP: 0033:0x7efe2290054e [ 783.791807][T19392] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 783.791809][T19392] RSP: 002b:00007ffe8b153810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 783.791813][T19392] RAX: ffffffffffffffda RBX: 00007ffe8b153fd8 RCX: 00007efe2290054e [ 783.791814][T19392] RDX: 0000000000000000 RSI: 00007ffe8b1538c0 RDI: 0000000000000005 [ 783.791815][T19392] RBP: 00007ffe8b153820 R08: 0000000000000000 R09: 0000000000000000 [ 783.791816][T19392] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919121 [ 783.791817][T19392] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8b153f90 | [ 785.161177][T19461] softirqs last disabled at (0): 0x0 | [ 785.161182][T19461] Preemption disabled at: | [ 785.161182][T19461] vprintk_emit (kernel/printk/printk.c:2471) | [ 785.161192][T19461] Tainted: [W]=WARN [ 785.161194][T19461] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 785.161195][T19461] Call Trace: [ 785.161197][T19461] [ 785.161198][T19461] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 785.161203][T19461] ? vprintk_emit (kernel/printk/printk.c:2471) [ 785.161205][T19461] __might_resched.cold (kernel/sched/core.c:9234) [ 785.161209][T19461] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 785.161212][T19461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 785.161215][T19461] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 785.161218][T19461] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 785.161221][T19461] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 785.161226][T19461] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 785.161227][T19461] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 785.161230][T19461] put_chars (drivers/char/virtio_console.c:1176) [ 785.161232][T19461] ? __send_to_port (drivers/char/virtio_console.c:654) [ 785.161233][T19461] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 785.161235][T19461] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 785.161237][T19461] ? pointer (lib/vsprintf.c:2577) [ 785.161241][T19461] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 785.161245][T19461] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 785.161247][T19461] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 785.161249][T19461] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 785.161251][T19461] console_emit_next_record (kernel/printk/printk.c:3183) [ 785.161254][T19461] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 785.161256][T19461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 785.161258][T19461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 785.161259][T19461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 785.161260][T19461] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 785.161262][T19461] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 785.161264][T19461] console_flush_one_record (kernel/printk/printk.c:3268) [ 785.161266][T19461] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 785.161269][T19461] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 785.161271][T19461] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 785.161272][T19461] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 785.161274][T19461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 785.161275][T19461] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 785.161276][T19461] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 785.161278][T19461] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 785.161280][T19461] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 785.161282][T19461] ? vprintk_emit (kernel/printk/printk.c:2478) [ 785.161283][T19461] vprintk_emit (kernel/printk/printk.c:2479) [ 785.161285][T19461] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 785.161286][T19461] ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12) [ 785.161288][T19461] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 785.161291][T19461] _printk (kernel/printk/printk.c:2504) [ 785.161294][T19461] ? snapshot_read.cold (user.c:?) [ 785.161296][T19461] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 785.161298][T19461] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 785.161302][T19461] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 785.161303][T19461] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 785.161307][T19461] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 785.161309][T19461] ? netdev_notice (net/core/dev.c:13194) [ 785.161311][T19461] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 785.161313][T19461] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 785.161315][T19461] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 785.161317][T19461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 785.161318][T19461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 785.161319][T19461] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 785.161322][T19461] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 785.161323][T19461] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 785.161325][T19461] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 785.161326][T19461] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 785.161328][T19461] ? register_netdev (net/core/dev.c:11618) [ 785.161329][T19461] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 785.161331][T19461] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 785.161334][T19461] ? __kernel_text_address (kernel/extable.c:79) [ 785.161336][T19461] ? write_profile (profile.c:?) [ 785.161339][T19461] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 785.161343][T19461] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 785.161345][T19461] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 785.161346][T19461] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 785.161348][T19461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 785.161349][T19461] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 785.161352][T19461] ? kasan_save_stack (mm/kasan/common.c:58) [ 785.161354][T19461] ? kasan_save_stack (mm/kasan/common.c:57) [ 785.161355][T19461] ? kasan_save_track (mm/kasan/common.c:78) [ 785.161356][T19461] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 785.161357][T19461] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 785.161358][T19461] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 785.161359][T19461] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 785.161361][T19461] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 785.161364][T19461] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 785.161365][T19461] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 785.161367][T19461] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 785.161370][T19461] ? ____sys_sendmsg (net/socket.c:2713) [ 785.161371][T19461] ? ___sys_sendmsg (net/socket.c:2767) [ 785.161372][T19461] ? __sys_sendmsg (net/socket.c:2799) [ 785.161374][T19461] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 785.161376][T19461] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 785.161379][T19461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 785.161380][T19461] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 785.161382][T19461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 785.161383][T19461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 785.161384][T19461] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 785.161385][T19461] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 785.161387][T19461] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 785.161388][T19461] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 785.161390][T19461] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 785.161391][T19461] ? nla_get_range_signed (lib/nlattr.c:270) [ 785.161394][T19461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 785.161395][T19461] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 785.161397][T19461] rtnl_newlink (net/core/rtnetlink.c:4215) [ 785.161399][T19461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 785.161400][T19461] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 785.161402][T19461] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 785.161403][T19461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 785.161405][T19461] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 785.161407][T19461] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 785.161408][T19461] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 785.161410][T19461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 785.161411][T19461] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 785.161414][T19461] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 785.161416][T19461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 785.161418][T19461] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 785.161419][T19461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 785.161420][T19461] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 785.161422][T19461] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 785.161423][T19461] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 785.161425][T19461] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 785.161426][T19461] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 785.161428][T19461] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 785.161430][T19461] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 785.161431][T19461] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 785.161433][T19461] ? netlink_ack (./include/linux/skbuff.h:2718) [ 785.161435][T19461] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 785.161437][T19461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 785.161439][T19461] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 785.161441][T19461] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 785.161443][T19461] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 785.161444][T19461] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 785.161446][T19461] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 785.161449][T19461] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 785.161450][T19461] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 785.161452][T19461] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 785.161453][T19461] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 785.161456][T19461] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 785.161458][T19461] ____sys_sendmsg (net/socket.c:2713) [ 785.161460][T19461] ? copy_msghdr_from_user (net/socket.c:2650) [ 785.161462][T19461] ? sock_write_iter (net/socket.c:1269) [ 785.161463][T19461] ? move_addr_to_kernel (net/socket.c:258) [ 785.161465][T19461] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 785.161467][T19461] ___sys_sendmsg (net/socket.c:2767) [ 785.161469][T19461] ? copy_msghdr_from_user (net/socket.c:2619) [ 785.161474][T19461] __sys_sendmsg (net/socket.c:2799) [ 785.161476][T19461] ? __sys_sendmsg_sock (net/socket.c:2780) [ 785.161479][T19461] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 785.161480][T19461] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 785.161482][T19461] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 785.161484][T19461] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 785.161485][T19461] RIP: 0033:0x7f173562754e [ 785.161487][T19461] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 785.161489][T19461] RSP: 002b:00007ffc769a0040 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 785.161493][T19461] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f173562754e [ 785.161494][T19461] RDX: 0000000000000000 RSI: 00007ffc769a00f0 RDI: 0000000000000005 [ 785.161495][T19461] RBP: 00007ffc769a0050 R08: 0000000000000000 R09: 0000000000000000 [ 785.161496][T19461] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919122 [ 785.161497][T19461] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc769a07b0 | [ 786.217494][T19511] softirqs last disabled at (0): 0x0 | [ 786.217496][T19511] Preemption disabled at: | [ 786.217497][T19511] vprintk_emit (kernel/printk/printk.c:2471) | [ 786.217507][T19511] Tainted: [W]=WARN [ 786.217508][T19511] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 786.217510][T19511] Call Trace: [ 786.217511][T19511] [ 786.217512][T19511] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 786.217518][T19511] ? vprintk_emit (kernel/printk/printk.c:2471) [ 786.217520][T19511] __might_resched.cold (kernel/sched/core.c:9234) [ 786.217523][T19511] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 786.217526][T19511] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 786.217529][T19511] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 786.217531][T19511] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 786.217534][T19511] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 786.217537][T19511] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 786.217542][T19511] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 786.217544][T19511] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 786.217547][T19511] put_chars (drivers/char/virtio_console.c:1176) [ 786.217549][T19511] ? __send_to_port (drivers/char/virtio_console.c:654) [ 786.217550][T19511] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 786.217553][T19511] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 786.217558][T19511] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 786.217560][T19511] ? vsnprintf (lib/vsprintf.c:2900) [ 786.217563][T19511] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 786.217565][T19511] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 786.217566][T19511] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 786.217567][T19511] console_emit_next_record (kernel/printk/printk.c:3183) [ 786.217570][T19511] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 786.217572][T19511] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 786.217573][T19511] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 786.217574][T19511] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 786.217575][T19511] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 786.217578][T19511] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 786.217580][T19511] console_flush_one_record (kernel/printk/printk.c:3268) [ 786.217582][T19511] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 786.217585][T19511] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 786.217587][T19511] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 786.217588][T19511] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 786.217590][T19511] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 786.217591][T19511] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 786.217592][T19511] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 786.217594][T19511] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 786.217595][T19511] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 786.217598][T19511] ? vprintk_emit (kernel/printk/printk.c:2478) [ 786.217599][T19511] vprintk_emit (kernel/printk/printk.c:2479) [ 786.217601][T19511] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 786.217602][T19511] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 786.217604][T19511] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 786.217607][T19511] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 786.217608][T19511] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 786.217610][T19511] _printk (kernel/printk/printk.c:2504) [ 786.217613][T19511] ? snapshot_read.cold (user.c:?) [ 786.217615][T19511] ? br_multicast_flood (??:?) [ 786.217619][T19511] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 786.217621][T19511] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 786.217623][T19511] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 786.217624][T19511] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 786.217627][T19511] br_init_port (net/bridge/br_stp_if.c:39) [ 786.217629][T19511] new_nbp (net/bridge/br_if.c:449) [ 786.217631][T19511] br_add_if (net/bridge/br_if.c:592) [ 786.217633][T19511] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 786.217638][T19511] do_set_master (net/core/rtnetlink.c:3071) [ 786.217639][T19511] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 786.217641][T19511] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 786.217642][T19511] ? __dev_get_by_name (net/core/dev.c:905) [ 786.217644][T19511] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 786.217648][T19511] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 786.217650][T19511] rtnl_newlink (net/core/rtnetlink.c:4215) [ 786.217652][T19511] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 786.217654][T19511] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 786.217655][T19511] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 786.217657][T19511] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 786.217658][T19511] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 786.217661][T19511] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 786.217663][T19511] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 786.217665][T19511] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 786.217666][T19511] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 786.217667][T19511] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 786.217669][T19511] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 786.217670][T19511] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 786.217672][T19511] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 786.217673][T19511] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 786.217675][T19511] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 786.217678][T19511] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 786.217681][T19511] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 786.217683][T19511] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 786.217684][T19511] ? netlink_ack (./include/linux/skbuff.h:2718) [ 786.217686][T19511] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 786.217689][T19511] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 786.217690][T19511] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 786.217692][T19511] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 786.217694][T19511] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 786.217696][T19511] ? next_uptodate_folio (mm/filemap.c:3747) [ 786.217699][T19511] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 786.217701][T19511] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 786.217703][T19511] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 786.217705][T19511] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 786.217708][T19511] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 786.217712][T19511] ____sys_sendmsg (net/socket.c:2713) [ 786.217713][T19511] ? copy_msghdr_from_user (net/socket.c:2650) [ 786.217715][T19511] ? sock_write_iter (net/socket.c:1269) [ 786.217717][T19511] ? move_addr_to_kernel (net/socket.c:258) [ 786.217719][T19511] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 786.217722][T19511] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 786.217723][T19511] ___sys_sendmsg (net/socket.c:2767) [ 786.217725][T19511] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 786.217727][T19511] ? copy_msghdr_from_user (net/socket.c:2619) [ 786.217729][T19511] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 786.217733][T19511] __sys_sendmsg (net/socket.c:2799) [ 786.217736][T19511] ? __sys_sendmsg_sock (net/socket.c:2780) [ 786.217738][T19511] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 786.217740][T19511] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 786.217741][T19511] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 786.217744][T19511] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 786.217746][T19511] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 786.217748][T19511] RIP: 0033:0x7f7d3bf9b54e [ 786.217750][T19511] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 786.217752][T19511] RSP: 002b:00007ffdef9db890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 786.217755][T19511] RAX: ffffffffffffffda RBX: 00007ffdef9dc058 RCX: 00007f7d3bf9b54e [ 786.217757][T19511] RDX: 0000000000000000 RSI: 00007ffdef9db940 RDI: 0000000000000005 [ 786.217758][T19511] RBP: 00007ffdef9db8a0 R08: 0000000000000000 R09: 0000000000000000 [ 786.217759][T19511] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919123 [ 786.217760][T19511] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdef9dc010 | [ 821.653744][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 821.653746][ T69] Preemption disabled at: | [ 821.653747][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 821.653757][ T69] Tainted: [W]=WARN [ 821.653758][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 821.653760][ T69] Workqueue: netns cleanup_net [ 821.653766][ T69] Call Trace: [ 821.653767][ T69] [ 821.653768][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 821.653774][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 821.653776][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 821.653779][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 821.653781][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 821.653785][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 821.653787][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 821.653790][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 821.653793][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 821.653798][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 821.653800][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 821.653802][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 821.653804][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 821.653806][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 821.653809][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 821.653813][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 821.653815][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 821.653818][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 821.653819][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 821.653820][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 821.653822][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 821.653825][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 821.653827][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 821.653828][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 821.653829][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 821.653830][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 821.653833][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 821.653835][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 821.653837][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 821.653840][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 821.653842][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 821.653843][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 821.653845][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 821.653846][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 821.653848][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 821.653849][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 821.653851][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 821.653853][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 821.653854][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 821.653856][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 821.653857][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 821.653859][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 821.653862][ T69] ? kthread (kernel/kthread.c:436) [ 821.653864][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 821.653867][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 821.653869][ T69] _printk (kernel/printk/printk.c:2504) [ 821.653872][ T69] ? snapshot_read.cold (user.c:?) [ 821.653875][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 821.653878][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 821.653880][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 821.653883][ T69] ? netdev_notice (net/core/dev.c:13194) [ 821.653885][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 821.653886][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 821.653888][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 821.653891][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 821.653892][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 821.653894][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 821.653896][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 821.653898][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 821.653906][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 821.653908][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 821.653911][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 821.653913][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 821.653915][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 821.653918][ T69] cleanup_net (net/core/net_namespace.c:706) [ 821.653920][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 821.653922][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 821.653923][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 821.653925][ T69] process_one_work (kernel/workqueue.c:3387) [ 821.653928][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 821.653931][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 821.653933][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 821.653935][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 821.653937][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 821.653939][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 821.653941][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 821.653943][ T69] kthread (kernel/kthread.c:436) [ 821.653944][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 821.653946][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 821.653948][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 821.653950][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 821.653952][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 821.653955][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 821.653957][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 822.842337][T21838] softirqs last disabled at (0): 0x0 | [ 822.842339][T21838] Preemption disabled at: | [ 822.842340][T21838] vprintk_emit (kernel/printk/printk.c:2471) | [ 822.842350][T21838] Tainted: [W]=WARN [ 822.842351][T21838] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 822.842353][T21838] Call Trace: [ 822.842355][T21838] [ 822.842356][T21838] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 822.842361][T21838] ? vprintk_emit (kernel/printk/printk.c:2471) [ 822.842363][T21838] __might_resched.cold (kernel/sched/core.c:9234) [ 822.842367][T21838] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 822.842369][T21838] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 822.842372][T21838] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 822.842375][T21838] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 822.842378][T21838] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 822.842381][T21838] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 822.842386][T21838] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 822.842388][T21838] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 822.842391][T21838] put_chars (drivers/char/virtio_console.c:1176) [ 822.842392][T21838] ? __send_to_port (drivers/char/virtio_console.c:654) [ 822.842394][T21838] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 822.842397][T21838] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 822.842401][T21838] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 822.842403][T21838] ? vsnprintf (lib/vsprintf.c:2900) [ 822.842406][T21838] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 822.842408][T21838] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 822.842409][T21838] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 822.842411][T21838] console_emit_next_record (kernel/printk/printk.c:3183) [ 822.842413][T21838] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 822.842415][T21838] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 822.842416][T21838] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 822.842418][T21838] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 822.842419][T21838] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 822.842421][T21838] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 822.842423][T21838] console_flush_one_record (kernel/printk/printk.c:3268) [ 822.842425][T21838] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 822.842428][T21838] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 822.842430][T21838] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 822.842432][T21838] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 822.842433][T21838] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 822.842434][T21838] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 822.842436][T21838] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 822.842438][T21838] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 822.842439][T21838] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 822.842441][T21838] ? vprintk_emit (kernel/printk/printk.c:2478) [ 822.842442][T21838] vprintk_emit (kernel/printk/printk.c:2479) [ 822.842444][T21838] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 822.842445][T21838] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 822.842447][T21838] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 822.842450][T21838] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 822.842452][T21838] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 822.842453][T21838] _printk (kernel/printk/printk.c:2504) [ 822.842456][T21838] ? snapshot_read.cold (user.c:?) [ 822.842458][T21838] ? br_multicast_flood (??:?) [ 822.842462][T21838] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 822.842465][T21838] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 822.842466][T21838] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 822.842468][T21838] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 822.842470][T21838] br_init_port (net/bridge/br_stp_if.c:39) [ 822.842472][T21838] new_nbp (net/bridge/br_if.c:449) [ 822.842474][T21838] br_add_if (net/bridge/br_if.c:592) [ 822.842476][T21838] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 822.842481][T21838] do_set_master (net/core/rtnetlink.c:3071) [ 822.842483][T21838] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 822.842484][T21838] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 822.842486][T21838] ? __dev_get_by_name (net/core/dev.c:905) [ 822.842488][T21838] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 822.842491][T21838] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 822.842494][T21838] rtnl_newlink (net/core/rtnetlink.c:4215) [ 822.842496][T21838] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 822.842497][T21838] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 822.842498][T21838] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 822.842500][T21838] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 822.842501][T21838] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 822.842504][T21838] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 822.842506][T21838] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 822.842508][T21838] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 822.842509][T21838] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 822.842511][T21838] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 822.842512][T21838] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 822.842514][T21838] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 822.842516][T21838] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 822.842517][T21838] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 822.842518][T21838] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 822.842522][T21838] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 822.842525][T21838] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 822.842527][T21838] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 822.842529][T21838] ? netlink_ack (./include/linux/skbuff.h:2718) [ 822.842530][T21838] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 822.842533][T21838] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 822.842534][T21838] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 822.842536][T21838] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 822.842538][T21838] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 822.842540][T21838] ? next_uptodate_folio (mm/filemap.c:3747) [ 822.842543][T21838] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 822.842546][T21838] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 822.842548][T21838] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 822.842549][T21838] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 822.842553][T21838] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 822.842555][T21838] ____sys_sendmsg (net/socket.c:2713) [ 822.842557][T21838] ? copy_msghdr_from_user (net/socket.c:2650) [ 822.842559][T21838] ? sock_write_iter (net/socket.c:1269) [ 822.842561][T21838] ? move_addr_to_kernel (net/socket.c:258) [ 822.842563][T21838] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 822.842565][T21838] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 822.842567][T21838] ___sys_sendmsg (net/socket.c:2767) [ 822.842569][T21838] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 822.842571][T21838] ? copy_msghdr_from_user (net/socket.c:2619) [ 822.842572][T21838] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 822.842577][T21838] __sys_sendmsg (net/socket.c:2799) [ 822.842579][T21838] ? __sys_sendmsg_sock (net/socket.c:2780) [ 822.842582][T21838] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 822.842583][T21838] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 822.842584][T21838] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 822.842587][T21838] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 822.842589][T21838] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 822.842591][T21838] RIP: 0033:0x7f6a1cef754e [ 822.842593][T21838] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 822.842595][T21838] RSP: 002b:00007fff31495640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 822.842599][T21838] RAX: ffffffffffffffda RBX: 00007fff31495e08 RCX: 00007f6a1cef754e [ 822.842600][T21838] RDX: 0000000000000000 RSI: 00007fff314956f0 RDI: 0000000000000005 [ 822.842601][T21838] RBP: 00007fff31495650 R08: 0000000000000000 R09: 0000000000000000 [ 822.842602][T21838] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919148 [ 822.842603][T21838] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff31495dc0 | [ 824.282364][T21905] softirqs last disabled at (0): 0x0 | [ 824.282366][T21905] Preemption disabled at: | [ 824.282367][T21905] vprintk_emit (kernel/printk/printk.c:2471) | [ 824.282377][T21905] Tainted: [W]=WARN [ 824.282378][T21905] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 824.282380][T21905] Call Trace: [ 824.282381][T21905] [ 824.282382][T21905] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 824.282388][T21905] ? vprintk_emit (kernel/printk/printk.c:2471) [ 824.282389][T21905] __might_resched.cold (kernel/sched/core.c:9234) [ 824.282393][T21905] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 824.282397][T21905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 824.282399][T21905] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 824.282403][T21905] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 824.282406][T21905] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 824.282411][T21905] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 824.282413][T21905] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 824.282415][T21905] put_chars (drivers/char/virtio_console.c:1176) [ 824.282417][T21905] ? __send_to_port (drivers/char/virtio_console.c:654) [ 824.282418][T21905] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 824.282420][T21905] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 824.282423][T21905] ? pointer (lib/vsprintf.c:2577) [ 824.282426][T21905] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 824.282431][T21905] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 824.282433][T21905] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 824.282435][T21905] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 824.282437][T21905] console_emit_next_record (kernel/printk/printk.c:3183) [ 824.282440][T21905] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 824.282442][T21905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 824.282443][T21905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 824.282444][T21905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 824.282446][T21905] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 824.282448][T21905] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 824.282449][T21905] console_flush_one_record (kernel/printk/printk.c:3268) [ 824.282452][T21905] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 824.282455][T21905] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 824.282457][T21905] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 824.282458][T21905] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 824.282460][T21905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 824.282461][T21905] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 824.282463][T21905] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 824.282464][T21905] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 824.282466][T21905] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 824.282468][T21905] ? vprintk_emit (kernel/printk/printk.c:2478) [ 824.282469][T21905] vprintk_emit (kernel/printk/printk.c:2479) [ 824.282471][T21905] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 824.282472][T21905] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 824.282475][T21905] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 824.282478][T21905] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 824.282480][T21905] _printk (kernel/printk/printk.c:2504) [ 824.282483][T21905] ? snapshot_read.cold (user.c:?) [ 824.282485][T21905] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 824.282488][T21905] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 824.282491][T21905] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 824.282493][T21905] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 824.282496][T21905] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 824.282499][T21905] ? netdev_notice (net/core/dev.c:13194) [ 824.282501][T21905] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 824.282502][T21905] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 824.282505][T21905] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 824.282507][T21905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 824.282508][T21905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 824.282509][T21905] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 824.282510][T21905] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 824.282512][T21905] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 824.282513][T21905] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 824.282514][T21905] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 824.282516][T21905] ? register_netdev (net/core/dev.c:11618) [ 824.282518][T21905] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 824.282520][T21905] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 824.282522][T21905] ? __kernel_text_address (kernel/extable.c:79) [ 824.282525][T21905] ? write_profile (profile.c:?) [ 824.282528][T21905] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 824.282532][T21905] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 824.282534][T21905] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 824.282536][T21905] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 824.282538][T21905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 824.282539][T21905] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 824.282542][T21905] ? kasan_save_stack (mm/kasan/common.c:58) [ 824.282544][T21905] ? kasan_save_stack (mm/kasan/common.c:57) [ 824.282545][T21905] ? kasan_save_track (mm/kasan/common.c:78) [ 824.282546][T21905] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 824.282548][T21905] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 824.282549][T21905] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 824.282550][T21905] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 824.282551][T21905] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 824.282554][T21905] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 824.282556][T21905] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 824.282557][T21905] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 824.282560][T21905] ? ____sys_sendmsg (net/socket.c:2713) [ 824.282561][T21905] ? ___sys_sendmsg (net/socket.c:2767) [ 824.282563][T21905] ? __sys_sendmsg (net/socket.c:2799) [ 824.282564][T21905] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 824.282567][T21905] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 824.282570][T21905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 824.282571][T21905] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 824.282573][T21905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 824.282573][T21905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 824.282575][T21905] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 824.282576][T21905] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 824.282578][T21905] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 824.282579][T21905] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 824.282580][T21905] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 824.282582][T21905] ? nla_get_range_signed (lib/nlattr.c:270) [ 824.282585][T21905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 824.282586][T21905] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 824.282588][T21905] rtnl_newlink (net/core/rtnetlink.c:4215) [ 824.282590][T21905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 824.282592][T21905] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 824.282593][T21905] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 824.282594][T21905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 824.282596][T21905] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 824.282598][T21905] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 824.282600][T21905] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 824.282601][T21905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 824.282602][T21905] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 824.282606][T21905] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 824.282608][T21905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 824.282609][T21905] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 824.282611][T21905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 824.282612][T21905] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 824.282614][T21905] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 824.282615][T21905] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 824.282617][T21905] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 824.282618][T21905] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 824.282621][T21905] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 824.282623][T21905] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 824.282624][T21905] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 824.282626][T21905] ? netlink_ack (./include/linux/skbuff.h:2718) [ 824.282627][T21905] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 824.282630][T21905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 824.282631][T21905] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 824.282633][T21905] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 824.282636][T21905] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 824.282637][T21905] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 824.282639][T21905] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 824.282642][T21905] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 824.282643][T21905] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 824.282645][T21905] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 824.282646][T21905] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 824.282650][T21905] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 824.282651][T21905] ____sys_sendmsg (net/socket.c:2713) [ 824.282653][T21905] ? copy_msghdr_from_user (net/socket.c:2650) [ 824.282655][T21905] ? sock_write_iter (net/socket.c:1269) [ 824.282656][T21905] ? move_addr_to_kernel (net/socket.c:258) [ 824.282658][T21905] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 824.282661][T21905] ___sys_sendmsg (net/socket.c:2767) [ 824.282662][T21905] ? copy_msghdr_from_user (net/socket.c:2619) [ 824.282667][T21905] __sys_sendmsg (net/socket.c:2799) [ 824.282669][T21905] ? __sys_sendmsg_sock (net/socket.c:2780) [ 824.282672][T21905] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 824.282674][T21905] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 824.282676][T21905] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 824.282678][T21905] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 824.282679][T21905] RIP: 0033:0x7f1ff45e054e [ 824.282681][T21905] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 824.282683][T21905] RSP: 002b:00007ffe04961c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 824.282687][T21905] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1ff45e054e [ 824.282688][T21905] RDX: 0000000000000000 RSI: 00007ffe04961cb0 RDI: 0000000000000005 [ 824.282689][T21905] RBP: 00007ffe04961c10 R08: 0000000000000000 R09: 0000000000000000 [ 824.282690][T21905] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919149 [ 824.282691][T21905] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe04962370 | [ 825.659128][T21964] softirqs last disabled at (0): 0x0 | [ 825.659130][T21964] Preemption disabled at: | [ 825.659132][T21964] vprintk_emit (kernel/printk/printk.c:2471) | [ 825.659145][T21964] Tainted: [W]=WARN [ 825.659146][T21964] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 825.659149][T21964] Call Trace: [ 825.659151][T21964] [ 825.659153][T21964] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 825.659160][T21964] ? vprintk_emit (kernel/printk/printk.c:2471) [ 825.659162][T21964] __might_resched.cold (kernel/sched/core.c:9234) [ 825.659167][T21964] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 825.659170][T21964] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 825.659174][T21964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 825.659181][T21964] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 825.659185][T21964] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 825.659189][T21964] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 825.659195][T21964] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 825.659198][T21964] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 825.659201][T21964] put_chars (drivers/char/virtio_console.c:1176) [ 825.659204][T21964] ? __send_to_port (drivers/char/virtio_console.c:654) [ 825.659207][T21964] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 825.659211][T21964] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 825.659217][T21964] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 825.659220][T21964] ? vsnprintf (lib/vsprintf.c:2900) [ 825.659224][T21964] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 825.659227][T21964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 825.659229][T21964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 825.659232][T21964] console_emit_next_record (kernel/printk/printk.c:3183) [ 825.659236][T21964] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 825.659239][T21964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 825.659241][T21964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 825.659243][T21964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 825.659245][T21964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 825.659248][T21964] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 825.659251][T21964] console_flush_one_record (kernel/printk/printk.c:3268) [ 825.659255][T21964] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 825.659259][T21964] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 825.659262][T21964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 825.659265][T21964] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 825.659267][T21964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 825.659269][T21964] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 825.659272][T21964] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 825.659274][T21964] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 825.659277][T21964] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 825.659280][T21964] ? vprintk_emit (kernel/printk/printk.c:2478) [ 825.659282][T21964] vprintk_emit (kernel/printk/printk.c:2479) [ 825.659286][T21964] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 825.659288][T21964] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 825.659290][T21964] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 825.659294][T21964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 825.659297][T21964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 825.659299][T21964] _printk (kernel/printk/printk.c:2504) [ 825.659303][T21964] ? snapshot_read.cold (user.c:?) [ 825.659306][T21964] ? br_multicast_flood (??:?) [ 825.659311][T21964] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 825.659315][T21964] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 825.659317][T21964] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 825.659320][T21964] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 825.659324][T21964] br_init_port (net/bridge/br_stp_if.c:39) [ 825.659327][T21964] new_nbp (net/bridge/br_if.c:449) [ 825.659330][T21964] br_add_if (net/bridge/br_if.c:592) [ 825.659333][T21964] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 825.659339][T21964] do_set_master (net/core/rtnetlink.c:3071) [ 825.659342][T21964] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 825.659345][T21964] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 825.659347][T21964] ? __dev_get_by_name (net/core/dev.c:905) [ 825.659350][T21964] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 825.659355][T21964] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 825.659359][T21964] rtnl_newlink (net/core/rtnetlink.c:4215) [ 825.659363][T21964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 825.659365][T21964] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 825.659367][T21964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 825.659370][T21964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 825.659372][T21964] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 825.659375][T21964] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 825.659378][T21964] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 825.659382][T21964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 825.659384][T21964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 825.659386][T21964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 825.659388][T21964] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 825.659391][T21964] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 825.659394][T21964] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 825.659396][T21964] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 825.659398][T21964] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 825.659404][T21964] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 825.659408][T21964] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 825.659410][T21964] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 825.659412][T21964] ? netlink_ack (./include/linux/skbuff.h:2718) [ 825.659415][T21964] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 825.659419][T21964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 825.659422][T21964] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 825.659425][T21964] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 825.659428][T21964] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 825.659431][T21964] ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181) [ 825.659435][T21964] ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3)) [ 825.659439][T21964] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 825.659443][T21964] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 825.659446][T21964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 825.659448][T21964] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 825.659453][T21964] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 825.659457][T21964] ____sys_sendmsg (net/socket.c:2713) [ 825.659460][T21964] ? copy_msghdr_from_user (net/socket.c:2650) [ 825.659463][T21964] ? sock_write_iter (net/socket.c:1269) [ 825.659465][T21964] ? move_addr_to_kernel (net/socket.c:258) [ 825.659469][T21964] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 825.659472][T21964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 825.659475][T21964] ___sys_sendmsg (net/socket.c:2767) [ 825.659478][T21964] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 825.659480][T21964] ? copy_msghdr_from_user (net/socket.c:2619) [ 825.659483][T21964] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 825.659491][T21964] __sys_sendmsg (net/socket.c:2799) [ 825.659494][T21964] ? __sys_sendmsg_sock (net/socket.c:2780) [ 825.659498][T21964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 825.659500][T21964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 825.659503][T21964] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 825.659506][T21964] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 825.659509][T21964] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 825.659512][T21964] RIP: 0033:0x7f2317ac454e [ 825.659515][T21964] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 825.659518][T21964] RSP: 002b:00007fffed991040 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 825.659523][T21964] RAX: ffffffffffffffda RBX: 00007fffed991808 RCX: 00007f2317ac454e [ 825.659525][T21964] RDX: 0000000000000000 RSI: 00007fffed9910f0 RDI: 0000000000000005 [ 825.659527][T21964] RBP: 00007fffed991050 R08: 0000000000000000 R09: 0000000000000000 [ 825.659529][T21964] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91914a [ 825.659530][T21964] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffed9917c0 | [ 861.182644][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 861.182647][ T69] Preemption disabled at: | [ 861.182647][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 861.182657][ T69] Tainted: [W]=WARN [ 861.182658][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 861.182660][ T69] Workqueue: netns cleanup_net [ 861.182666][ T69] Call Trace: [ 861.182668][ T69] [ 861.182669][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 861.182675][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 861.182677][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 861.182680][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 861.182683][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 861.182686][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 861.182689][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 861.182692][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 861.182695][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 861.182699][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 861.182701][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 861.182704][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 861.182705][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 861.182707][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 861.182710][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 861.182715][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 861.182716][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 861.182719][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 861.182721][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 861.182722][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 861.182723][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 861.182726][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 861.182728][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 861.182729][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 861.182730][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 861.182731][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 861.182734][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 861.182736][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 861.182739][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 861.182741][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 861.182743][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 861.182745][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 861.182747][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 861.182748][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 861.182749][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 861.182751][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 861.182752][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 861.182755][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 861.182756][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 861.182758][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 861.182759][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 861.182761][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 861.182763][ T69] ? kthread (kernel/kthread.c:436) [ 861.182766][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 861.182768][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 861.182771][ T69] _printk (kernel/printk/printk.c:2504) [ 861.182774][ T69] ? snapshot_read.cold (user.c:?) [ 861.182776][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 861.182780][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 861.182782][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 861.182785][ T69] ? netdev_notice (net/core/dev.c:13194) [ 861.182787][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 861.182788][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 861.182789][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 861.182792][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 861.182794][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 861.182795][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 861.182797][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 861.182800][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 861.182804][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 861.182806][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 861.182808][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 861.182811][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 861.182813][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 861.182815][ T69] cleanup_net (net/core/net_namespace.c:706) [ 861.182817][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 861.182819][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 861.182821][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 861.182823][ T69] process_one_work (kernel/workqueue.c:3387) [ 861.182826][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 861.182828][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 861.182831][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 861.182833][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 861.182835][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 861.182837][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 861.182839][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 861.182841][ T69] kthread (kernel/kthread.c:436) [ 861.182843][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 861.182844][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 861.182846][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 861.182848][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 861.182850][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 861.182853][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 861.182855][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 862.581235][T23968] softirqs last disabled at (0): 0x0 | [ 862.581236][T23968] Preemption disabled at: | [ 862.581237][T23968] vprintk_emit (kernel/printk/printk.c:2471) | [ 862.581247][T23968] Tainted: [W]=WARN [ 862.581248][T23968] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 862.581250][T23968] Call Trace: [ 862.581251][T23968] [ 862.581253][T23968] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 862.581258][T23968] ? vprintk_emit (kernel/printk/printk.c:2471) [ 862.581260][T23968] __might_resched.cold (kernel/sched/core.c:9234) [ 862.581263][T23968] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 862.581265][T23968] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 862.581269][T23968] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 862.581271][T23968] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 862.581274][T23968] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 862.581277][T23968] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 862.581282][T23968] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 862.581284][T23968] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 862.581287][T23968] put_chars (drivers/char/virtio_console.c:1176) [ 862.581288][T23968] ? __send_to_port (drivers/char/virtio_console.c:654) [ 862.581290][T23968] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 862.581293][T23968] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 862.581298][T23968] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 862.581299][T23968] ? vsnprintf (lib/vsprintf.c:2900) [ 862.581303][T23968] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 862.581304][T23968] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 862.581306][T23968] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 862.581307][T23968] console_emit_next_record (kernel/printk/printk.c:3183) [ 862.581310][T23968] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 862.581312][T23968] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 862.581313][T23968] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 862.581314][T23968] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 862.581315][T23968] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 862.581318][T23968] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 862.581320][T23968] console_flush_one_record (kernel/printk/printk.c:3268) [ 862.581322][T23968] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 862.581325][T23968] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 862.581327][T23968] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 862.581329][T23968] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 862.581330][T23968] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 862.581331][T23968] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 862.581333][T23968] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 862.581335][T23968] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 862.581336][T23968] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 862.581338][T23968] ? vprintk_emit (kernel/printk/printk.c:2478) [ 862.581340][T23968] vprintk_emit (kernel/printk/printk.c:2479) [ 862.581341][T23968] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 862.581343][T23968] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 862.581344][T23968] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 862.581348][T23968] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 862.581349][T23968] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 862.581351][T23968] _printk (kernel/printk/printk.c:2504) [ 862.581354][T23968] ? snapshot_read.cold (user.c:?) [ 862.581356][T23968] ? br_multicast_flood (??:?) [ 862.581360][T23968] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 862.581363][T23968] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 862.581364][T23968] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 862.581365][T23968] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 862.581368][T23968] br_init_port (net/bridge/br_stp_if.c:39) [ 862.581370][T23968] new_nbp (net/bridge/br_if.c:449) [ 862.581373][T23968] br_add_if (net/bridge/br_if.c:592) [ 862.581374][T23968] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 862.581379][T23968] do_set_master (net/core/rtnetlink.c:3071) [ 862.581381][T23968] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 862.581382][T23968] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 862.581384][T23968] ? __dev_get_by_name (net/core/dev.c:905) [ 862.581386][T23968] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 862.581389][T23968] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 862.581392][T23968] rtnl_newlink (net/core/rtnetlink.c:4215) [ 862.581394][T23968] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 862.581395][T23968] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 862.581396][T23968] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 862.581398][T23968] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 862.581399][T23968] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 862.581402][T23968] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 862.581404][T23968] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 862.581406][T23968] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 862.581408][T23968] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 862.581409][T23968] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 862.581410][T23968] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 862.581412][T23968] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 862.581414][T23968] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 862.581415][T23968] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 862.581417][T23968] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 862.581420][T23968] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 862.581424][T23968] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 862.581425][T23968] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 862.581427][T23968] ? netlink_ack (./include/linux/skbuff.h:2718) [ 862.581428][T23968] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 862.581431][T23968] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 862.581433][T23968] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 862.581435][T23968] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 862.581437][T23968] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 862.581439][T23968] ? next_uptodate_folio (mm/filemap.c:3747) [ 862.581442][T23968] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 862.581444][T23968] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 862.581446][T23968] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 862.581448][T23968] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 862.581451][T23968] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 862.581454][T23968] ____sys_sendmsg (net/socket.c:2713) [ 862.581456][T23968] ? copy_msghdr_from_user (net/socket.c:2650) [ 862.581458][T23968] ? sock_write_iter (net/socket.c:1269) [ 862.581459][T23968] ? move_addr_to_kernel (net/socket.c:258) [ 862.581461][T23968] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 862.581464][T23968] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 862.581466][T23968] ___sys_sendmsg (net/socket.c:2767) [ 862.581467][T23968] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 862.581469][T23968] ? copy_msghdr_from_user (net/socket.c:2619) [ 862.581471][T23968] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 862.581475][T23968] __sys_sendmsg (net/socket.c:2799) [ 862.581478][T23968] ? __sys_sendmsg_sock (net/socket.c:2780) [ 862.581480][T23968] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 862.581481][T23968] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 862.581483][T23968] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 862.581486][T23968] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 862.581488][T23968] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 862.581490][T23968] RIP: 0033:0x7f386fc3254e [ 862.581492][T23968] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 862.581493][T23968] RSP: 002b:00007ffc7b5e7e10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 862.581497][T23968] RAX: ffffffffffffffda RBX: 00007ffc7b5e85d8 RCX: 00007f386fc3254e [ 862.581498][T23968] RDX: 0000000000000000 RSI: 00007ffc7b5e7ec0 RDI: 0000000000000005 [ 862.581499][T23968] RBP: 00007ffc7b5e7e20 R08: 0000000000000000 R09: 0000000000000000 [ 862.581500][T23968] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91916f [ 862.581501][T23968] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7b5e8590 | [ 864.012337][T24037] softirqs last disabled at (0): 0x0 | [ 864.012339][T24037] Preemption disabled at: | [ 864.012340][T24037] vprintk_emit (kernel/printk/printk.c:2471) | [ 864.012350][T24037] Tainted: [W]=WARN [ 864.012351][T24037] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 864.012353][T24037] Call Trace: [ 864.012354][T24037] [ 864.012355][T24037] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 864.012361][T24037] ? vprintk_emit (kernel/printk/printk.c:2471) [ 864.012363][T24037] __might_resched.cold (kernel/sched/core.c:9234) [ 864.012367][T24037] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 864.012370][T24037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 864.012373][T24037] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 864.012376][T24037] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 864.012379][T24037] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 864.012384][T24037] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 864.012386][T24037] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 864.012389][T24037] put_chars (drivers/char/virtio_console.c:1176) [ 864.012390][T24037] ? __send_to_port (drivers/char/virtio_console.c:654) [ 864.012392][T24037] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 864.012394][T24037] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 864.012396][T24037] ? pointer (lib/vsprintf.c:2577) [ 864.012400][T24037] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 864.012404][T24037] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 864.012406][T24037] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 864.012408][T24037] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 864.012411][T24037] console_emit_next_record (kernel/printk/printk.c:3183) [ 864.012414][T24037] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 864.012416][T24037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 864.012417][T24037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 864.012418][T24037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 864.012419][T24037] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 864.012421][T24037] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 864.012423][T24037] console_flush_one_record (kernel/printk/printk.c:3268) [ 864.012425][T24037] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 864.012428][T24037] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 864.012430][T24037] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 864.012432][T24037] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 864.012433][T24037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 864.012434][T24037] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 864.012436][T24037] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 864.012437][T24037] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 864.012439][T24037] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 864.012441][T24037] ? vprintk_emit (kernel/printk/printk.c:2478) [ 864.012443][T24037] vprintk_emit (kernel/printk/printk.c:2479) [ 864.012444][T24037] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 864.012446][T24037] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 864.012448][T24037] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 864.012451][T24037] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 864.012454][T24037] _printk (kernel/printk/printk.c:2504) [ 864.012457][T24037] ? snapshot_read.cold (user.c:?) [ 864.012459][T24037] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 864.012461][T24037] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 864.012464][T24037] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 864.012466][T24037] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 864.012469][T24037] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 864.012472][T24037] ? netdev_notice (net/core/dev.c:13194) [ 864.012474][T24037] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 864.012475][T24037] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 864.012478][T24037] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 864.012480][T24037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 864.012481][T24037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 864.012482][T24037] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 864.012483][T24037] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 864.012485][T24037] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 864.012486][T24037] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 864.012487][T24037] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 864.012489][T24037] ? register_netdev (net/core/dev.c:11618) [ 864.012490][T24037] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 864.012492][T24037] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 864.012495][T24037] ? __kernel_text_address (kernel/extable.c:79) [ 864.012497][T24037] ? write_profile (profile.c:?) [ 864.012500][T24037] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 864.012504][T24037] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 864.012506][T24037] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 864.012507][T24037] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 864.012509][T24037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 864.012510][T24037] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 864.012514][T24037] ? kasan_save_stack (mm/kasan/common.c:58) [ 864.012516][T24037] ? kasan_save_stack (mm/kasan/common.c:57) [ 864.012517][T24037] ? kasan_save_track (mm/kasan/common.c:78) [ 864.012518][T24037] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 864.012519][T24037] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 864.012520][T24037] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 864.012521][T24037] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 864.012523][T24037] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 864.012526][T24037] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 864.012527][T24037] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 864.012529][T24037] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 864.012532][T24037] ? ____sys_sendmsg (net/socket.c:2713) [ 864.012533][T24037] ? ___sys_sendmsg (net/socket.c:2767) [ 864.012535][T24037] ? __sys_sendmsg (net/socket.c:2799) [ 864.012536][T24037] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 864.012539][T24037] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 864.012541][T24037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 864.012542][T24037] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 864.012544][T24037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 864.012545][T24037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 864.012546][T24037] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 864.012548][T24037] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 864.012549][T24037] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 864.012550][T24037] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 864.012552][T24037] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 864.012553][T24037] ? nla_get_range_signed (lib/nlattr.c:270) [ 864.012556][T24037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 864.012558][T24037] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 864.012560][T24037] rtnl_newlink (net/core/rtnetlink.c:4215) [ 864.012562][T24037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 864.012563][T24037] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 864.012564][T24037] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 864.012566][T24037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 864.012567][T24037] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 864.012569][T24037] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 864.012571][T24037] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 864.012572][T24037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 864.012573][T24037] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 864.012577][T24037] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 864.012579][T24037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 864.012580][T24037] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 864.012582][T24037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 864.012583][T24037] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 864.012584][T24037] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 864.012586][T24037] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 864.012587][T24037] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 864.012589][T24037] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 864.012591][T24037] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 864.012593][T24037] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 864.012594][T24037] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 864.012596][T24037] ? netlink_ack (./include/linux/skbuff.h:2718) [ 864.012598][T24037] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 864.012600][T24037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 864.012602][T24037] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 864.012604][T24037] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 864.012606][T24037] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 864.012608][T24037] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 864.012610][T24037] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 864.012612][T24037] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 864.012614][T24037] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 864.012615][T24037] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 864.012617][T24037] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 864.012620][T24037] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 864.012622][T24037] ____sys_sendmsg (net/socket.c:2713) [ 864.012624][T24037] ? copy_msghdr_from_user (net/socket.c:2650) [ 864.012626][T24037] ? sock_write_iter (net/socket.c:1269) [ 864.012627][T24037] ? move_addr_to_kernel (net/socket.c:258) [ 864.012629][T24037] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 864.012631][T24037] ___sys_sendmsg (net/socket.c:2767) [ 864.012633][T24037] ? copy_msghdr_from_user (net/socket.c:2619) [ 864.012638][T24037] __sys_sendmsg (net/socket.c:2799) [ 864.012640][T24037] ? __sys_sendmsg_sock (net/socket.c:2780) [ 864.012643][T24037] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 864.012645][T24037] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 864.012646][T24037] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 864.012648][T24037] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 864.012650][T24037] RIP: 0033:0x7efe8f16a54e [ 864.012652][T24037] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 864.012654][T24037] RSP: 002b:00007fff11fded70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 864.012657][T24037] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007efe8f16a54e [ 864.012659][T24037] RDX: 0000000000000000 RSI: 00007fff11fdee20 RDI: 0000000000000005 [ 864.012660][T24037] RBP: 00007fff11fded80 R08: 0000000000000000 R09: 0000000000000000 [ 864.012661][T24037] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919171 [ 864.012662][T24037] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff11fdf4e0 | [ 865.094351][T24087] softirqs last disabled at (0): 0x0 | [ 865.094353][T24087] Preemption disabled at: | [ 865.094354][T24087] vprintk_emit (kernel/printk/printk.c:2471) | [ 865.094363][T24087] Tainted: [W]=WARN [ 865.094364][T24087] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 865.094366][T24087] Call Trace: [ 865.094367][T24087] [ 865.094368][T24087] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 865.094374][T24087] ? vprintk_emit (kernel/printk/printk.c:2471) [ 865.094376][T24087] __might_resched.cold (kernel/sched/core.c:9234) [ 865.094379][T24087] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 865.094381][T24087] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 865.094385][T24087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 865.094387][T24087] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 865.094390][T24087] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 865.094393][T24087] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 865.094399][T24087] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 865.094400][T24087] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 865.094403][T24087] put_chars (drivers/char/virtio_console.c:1176) [ 865.094404][T24087] ? __send_to_port (drivers/char/virtio_console.c:654) [ 865.094406][T24087] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 865.094409][T24087] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 865.094414][T24087] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 865.094415][T24087] ? vsnprintf (lib/vsprintf.c:2900) [ 865.094419][T24087] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 865.094420][T24087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 865.094422][T24087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 865.094423][T24087] console_emit_next_record (kernel/printk/printk.c:3183) [ 865.094426][T24087] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 865.094428][T24087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 865.094429][T24087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 865.094430][T24087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 865.094431][T24087] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 865.094434][T24087] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 865.094436][T24087] console_flush_one_record (kernel/printk/printk.c:3268) [ 865.094438][T24087] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 865.094441][T24087] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 865.094443][T24087] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 865.094444][T24087] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 865.094446][T24087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 865.094447][T24087] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 865.094449][T24087] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 865.094450][T24087] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 865.094452][T24087] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 865.094453][T24087] ? vprintk_emit (kernel/printk/printk.c:2478) [ 865.094455][T24087] vprintk_emit (kernel/printk/printk.c:2479) [ 865.094457][T24087] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 865.094458][T24087] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 865.094460][T24087] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 865.094462][T24087] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 865.094464][T24087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 865.094466][T24087] _printk (kernel/printk/printk.c:2504) [ 865.094469][T24087] ? snapshot_read.cold (user.c:?) [ 865.094471][T24087] ? br_multicast_flood (??:?) [ 865.094474][T24087] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 865.094477][T24087] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 865.094479][T24087] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 865.094480][T24087] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 865.094483][T24087] br_init_port (net/bridge/br_stp_if.c:39) [ 865.094485][T24087] new_nbp (net/bridge/br_if.c:449) [ 865.094487][T24087] br_add_if (net/bridge/br_if.c:592) [ 865.094489][T24087] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 865.094494][T24087] do_set_master (net/core/rtnetlink.c:3071) [ 865.094496][T24087] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 865.094497][T24087] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 865.094499][T24087] ? __dev_get_by_name (net/core/dev.c:905) [ 865.094500][T24087] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 865.094504][T24087] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 865.094507][T24087] rtnl_newlink (net/core/rtnetlink.c:4215) [ 865.094509][T24087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 865.094510][T24087] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 865.094511][T24087] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 865.094512][T24087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 865.094514][T24087] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 865.094517][T24087] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 865.094519][T24087] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 865.094521][T24087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 865.094522][T24087] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 865.094524][T24087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 865.094525][T24087] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 865.094526][T24087] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 865.094528][T24087] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 865.094530][T24087] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 865.094531][T24087] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 865.094535][T24087] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 865.094538][T24087] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 865.094540][T24087] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 865.094541][T24087] ? netlink_ack (./include/linux/skbuff.h:2718) [ 865.094543][T24087] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 865.094545][T24087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 865.094547][T24087] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 865.094549][T24087] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 865.094551][T24087] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 865.094553][T24087] ? next_uptodate_folio (mm/filemap.c:3747) [ 865.094556][T24087] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 865.094558][T24087] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 865.094560][T24087] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 865.094562][T24087] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 865.094565][T24087] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 865.094568][T24087] ____sys_sendmsg (net/socket.c:2713) [ 865.094570][T24087] ? copy_msghdr_from_user (net/socket.c:2650) [ 865.094572][T24087] ? sock_write_iter (net/socket.c:1269) [ 865.094573][T24087] ? move_addr_to_kernel (net/socket.c:258) [ 865.094576][T24087] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 865.094578][T24087] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 865.094580][T24087] ___sys_sendmsg (net/socket.c:2767) [ 865.094582][T24087] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 865.094584][T24087] ? copy_msghdr_from_user (net/socket.c:2619) [ 865.094585][T24087] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 865.094590][T24087] __sys_sendmsg (net/socket.c:2799) [ 865.094592][T24087] ? __sys_sendmsg_sock (net/socket.c:2780) [ 865.094594][T24087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 865.094596][T24087] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 865.094597][T24087] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 865.094600][T24087] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 865.094602][T24087] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 865.094604][T24087] RIP: 0033:0x7f772aca054e [ 865.094606][T24087] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 865.094608][T24087] RSP: 002b:00007ffd2a092170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 865.094611][T24087] RAX: ffffffffffffffda RBX: 00007ffd2a092938 RCX: 00007f772aca054e [ 865.094613][T24087] RDX: 0000000000000000 RSI: 00007ffd2a092220 RDI: 0000000000000005 [ 865.094613][T24087] RBP: 00007ffd2a092180 R08: 0000000000000000 R09: 0000000000000000 [ 865.094615][T24087] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919172 [ 865.094616][T24087] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2a0928f0 | [ 900.523737][ T69] softirqs last disabled at (1276535): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 900.523740][ T69] Preemption disabled at: | [ 900.523741][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 900.523752][ T69] Tainted: [W]=WARN [ 900.523753][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 900.523754][ T69] Workqueue: netns cleanup_net [ 900.523760][ T69] Call Trace: [ 900.523762][ T69] [ 900.523764][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 900.523770][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 900.523771][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 900.523775][ T69] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 900.523777][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 900.523780][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 900.523783][ T69] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 900.523786][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 900.523789][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 900.523793][ T69] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 900.523795][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 900.523797][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 900.523799][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 900.523801][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 900.523803][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 900.523808][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 900.523810][ T69] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 900.523812][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 900.523814][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 900.523815][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 900.523817][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 900.523819][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 900.523822][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 900.523823][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 900.523824][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 900.523825][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 900.523827][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 900.523829][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 900.523831][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 900.523834][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 900.523836][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 900.523837][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 900.523839][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 900.523840][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 900.523842][ T69] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 900.523843][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 900.523845][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 900.523847][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 900.523848][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 900.523850][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 900.523851][ T69] ? cleanup_net (net/core/net_namespace.c:706) [ 900.523853][ T69] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 900.523856][ T69] ? kthread (kernel/kthread.c:436) [ 900.523858][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 900.523861][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 900.523864][ T69] _printk (kernel/printk/printk.c:2504) [ 900.523867][ T69] ? snapshot_read.cold (user.c:?) [ 900.523869][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 900.523872][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 900.523874][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 900.523877][ T69] ? netdev_notice (net/core/dev.c:13194) [ 900.523879][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 900.523880][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 900.523882][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 900.523885][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 900.523886][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 900.523887][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 900.523890][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 900.523892][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 900.523896][ T69] br_dev_delete (net/bridge/br_if.c:387) [ 900.523898][ T69] br_net_exit_rtnl (net/bridge/br.c:414) [ 900.523901][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 900.523903][ T69] ? netns_install (./include/linux/ns_common.h:26) [ 900.523905][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 900.523908][ T69] cleanup_net (net/core/net_namespace.c:706) [ 900.523910][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 900.523911][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 900.523913][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 900.523914][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 900.523916][ T69] process_one_work (kernel/workqueue.c:3387) [ 900.523919][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 900.523921][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 900.523924][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 900.523926][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 900.523928][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 900.523930][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 900.523932][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 900.523933][ T69] kthread (kernel/kthread.c:436) [ 900.523935][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 900.523936][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 900.523938][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 900.523940][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 900.523942][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 900.523945][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: do_softirq:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print