====================================== | [ 10.035150][ T224] softirqs last disabled at (21386): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.035153][ T224] Preemption disabled at: | [ 10.035153][ T224] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.035162][ T224] Tainted: [W]=WARN [ 10.035163][ T224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.035164][ T224] Call Trace: [ 10.035166][ T224] [ 10.035167][ T224] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.035173][ T224] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.035175][ T224] __might_resched.cold (kernel/sched/core.c:9234) [ 10.035179][ T224] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.035184][ T224] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.035188][ T224] __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)) [ 10.035190][ T224] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.035200][ T224] ? 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) [ 10.035203][ T224] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.035207][ T224] put_chars (drivers/char/virtio_console.c:1176) [ 10.035209][ T224] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.035216][ T224] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.035223][ T224] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.035226][ T224] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.035231][ T224] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.035234][ T224] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.035236][ T224] ? 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)) [ 10.035240][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.035242][ T224] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.035246][ T224] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.035250][ T224] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.035252][ T224] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.035258][ T224] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.035260][ T224] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.035262][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.035264][ T224] ? 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) [ 10.035268][ T224] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.035270][ T224] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.035272][ T224] vprintk_emit (kernel/printk/printk.c:2479) [ 10.035275][ T224] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.035277][ T224] ? save_trace (kernel/locking/lockdep.c:589) [ 10.035282][ T224] _printk (kernel/printk/printk.c:2504) [ 10.035285][ T224] ? snapshot_read.cold (user.c:?) [ 10.035289][ T224] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.035291][ T224] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.035295][ T224] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.035297][ T224] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.035300][ T224] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.035302][ T224] ? netdev_notice (net/core/dev.c:13194) [ 10.035305][ T224] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.035308][ T224] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.035310][ T224] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.035314][ T224] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.035316][ T224] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.035318][ T224] ? register_netdev (net/core/dev.c:11618) [ 10.035319][ T224] ? 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)) [ 10.035325][ T224] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.035328][ T224] ? __kernel_text_address (kernel/extable.c:79) [ 10.035330][ T224] ? write_profile (profile.c:?) [ 10.035334][ T224] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.035340][ T224] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.035343][ T224] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.035345][ T224] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.035347][ T224] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.035349][ T224] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.035353][ T224] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.035355][ T224] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.035356][ T224] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.035363][ T224] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.035365][ T224] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.035366][ T224] ? kasan_save_track (mm/kasan/common.c:78) [ 10.035367][ T224] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.035369][ T224] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.035371][ T224] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 10.035375][ T224] ? ___sys_sendmsg (net/socket.c:2758) [ 10.035378][ T224] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.035380][ T224] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.035383][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.035385][ T224] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.035386][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.035387][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.035389][ T224] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.035391][ T224] ? __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) [ 10.035394][ T224] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.035395][ T224] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.035399][ T224] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.035400][ T224] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.035405][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.035407][ T224] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.035412][ T224] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.035417][ T224] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.035419][ T224] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.035424][ T224] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.035426][ T224] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.035428][ T224] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.035430][ T224] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.035433][ T224] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.035435][ T224] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.035439][ T224] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.035440][ T224] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.035444][ T224] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.035446][ T224] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.035450][ T224] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.035453][ T224] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.035456][ T224] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.035462][ T224] ? 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)) [ 10.035465][ T224] ? 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)) [ 10.035469][ T224] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.035473][ T224] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.035475][ T224] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.035480][ T224] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.035484][ T224] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.035487][ T224] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.035489][ T224] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 10.035494][ T224] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 10.035497][ T224] ____sys_sendmsg (net/socket.c:2713) [ 10.035499][ T224] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.035502][ T224] ? sock_write_iter (net/socket.c:1269) [ 10.035503][ T224] ? move_addr_to_kernel (net/socket.c:258) [ 10.035510][ T224] ___sys_sendmsg (net/socket.c:2767) [ 10.035513][ T224] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.035529][ T224] __sys_sendmsg (net/socket.c:2799) [ 10.035532][ T224] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.035538][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.035541][ T224] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.035544][ T224] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.035547][ T224] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.035549][ T224] RIP: 0033:0x7fb245d5054e [ 10.035553][ T224] 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 [ 10.035555][ T224] RSP: 002b:00007fff2eb514e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.035558][ T224] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb245d5054e [ 10.035559][ T224] RDX: 0000000000000000 RSI: 00007fff2eb51590 RDI: 0000000000000005 [ 10.035560][ T224] RBP: 00007fff2eb514f0 R08: 0000000000000000 R09: 0000000000000000 [ 10.035561][ T224] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911758 [ 10.035562][ T224] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2eb51c50 | [ 11.093549][ T280] softirqs last disabled at (24740): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 11.093551][ T280] Preemption disabled at: | [ 11.093552][ T280] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.093560][ T280] Tainted: [W]=WARN [ 11.093561][ T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.093563][ T280] Call Trace: [ 11.093564][ T280] [ 11.093566][ T280] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.093572][ T280] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.093573][ T280] __might_resched.cold (kernel/sched/core.c:9234) [ 11.093578][ T280] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.093582][ T280] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.093587][ T280] __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)) [ 11.093588][ T280] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.093595][ T280] ? 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) [ 11.093598][ T280] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.093601][ T280] put_chars (drivers/char/virtio_console.c:1176) [ 11.093604][ T280] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.093605][ T280] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.093608][ T280] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.093611][ T280] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.093616][ T280] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.093619][ T280] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.093624][ T280] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.093628][ T280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.093632][ T280] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.093636][ T280] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.093638][ T280] ? 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)) [ 11.093641][ T280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.093643][ T280] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.093647][ T280] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.093651][ T280] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.093653][ T280] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.093658][ T280] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.093661][ T280] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.093663][ T280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.093664][ T280] ? 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) [ 11.093668][ T280] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.093670][ T280] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.093672][ T280] vprintk_emit (kernel/printk/printk.c:2479) [ 11.093675][ T280] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.093677][ T280] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.093680][ T280] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.093683][ T280] _printk (kernel/printk/printk.c:2504) [ 11.093687][ T280] ? snapshot_read.cold (user.c:?) [ 11.093691][ T280] ? br_multicast_flood (??:?) [ 11.093694][ T280] ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 11.093695][ T280] ? __rtnl_newlink (net/core/rtnetlink.c:4098) [ 11.093696][ T280] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.093700][ T280] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 11.093705][ T280] br_init_port (net/bridge/br_stp_if.c:39) [ 11.093707][ T280] new_nbp (net/bridge/br_if.c:449) [ 11.093711][ T280] br_add_if (net/bridge/br_if.c:592) [ 11.093712][ T280] ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712) [ 11.093721][ T280] do_set_master (net/core/rtnetlink.c:3071) [ 11.093724][ T280] rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1)) [ 11.093728][ T280] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 11.093729][ T280] ? __dev_get_by_name (net/core/dev.c:905) [ 11.093731][ T280] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 11.093741][ T280] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 11.093747][ T280] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.093753][ T280] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.093755][ T280] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.093762][ T280] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.093765][ T280] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.093768][ T280] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.093771][ T280] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.093772][ T280] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.093776][ T280] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.093778][ T280] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.093782][ T280] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.093785][ T280] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.093788][ T280] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.093794][ T280] ? 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)) [ 11.093796][ T280] ? 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)) [ 11.093801][ T280] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.093805][ T280] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.093811][ T280] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.093815][ T280] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.093818][ T280] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.093820][ T280] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 11.093825][ T280] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 11.093829][ T280] ____sys_sendmsg (net/socket.c:2713) [ 11.093832][ T280] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.093834][ T280] ? sock_write_iter (net/socket.c:1269) [ 11.093835][ T280] ? move_addr_to_kernel (net/socket.c:258) [ 11.093840][ T280] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 11.093842][ T280] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.093846][ T280] ___sys_sendmsg (net/socket.c:2767) [ 11.093848][ T280] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 11.093850][ T280] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.093853][ T280] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 11.093868][ T280] __sys_sendmsg (net/socket.c:2799) [ 11.093871][ T280] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.093876][ T280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.093878][ T280] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.093881][ T280] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.093885][ T280] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.093888][ T280] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.093890][ T280] RIP: 0033:0x7ff5f5acd54e [ 11.093894][ T280] 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 [ 11.093895][ T280] RSP: 002b:00007fff79d90240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.093898][ T280] RAX: ffffffffffffffda RBX: 00007fff79d90a08 RCX: 00007ff5f5acd54e [ 11.093899][ T280] RDX: 0000000000000000 RSI: 00007fff79d902f0 RDI: 0000000000000005 [ 11.093900][ T280] RBP: 00007fff79d90250 R08: 0000000000000000 R09: 0000000000000000 [ 11.093901][ T280] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911759 [ 11.093902][ T280] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff79d909c0 | [ 16.441708][ T293] softirqs last disabled at (17903): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 16.441711][ T293] Preemption disabled at: | [ 16.441711][ T293] vprintk_emit (kernel/printk/printk.c:2471) | [ 16.441720][ T293] Tainted: [W]=WARN [ 16.441720][ T293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.441722][ T293] Call Trace: [ 16.441723][ T293] [ 16.441725][ T293] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.441730][ T293] ? vprintk_emit (kernel/printk/printk.c:2471) [ 16.441732][ T293] __might_resched.cold (kernel/sched/core.c:9234) [ 16.441736][ T293] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.441740][ T293] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.441744][ T293] __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)) [ 16.441746][ T293] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.441753][ T293] ? 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) [ 16.441755][ T293] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.441759][ T293] put_chars (drivers/char/virtio_console.c:1176) [ 16.441760][ T293] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 16.441763][ T293] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.441765][ T293] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.441769][ T293] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.441773][ T293] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.441777][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.441779][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.441783][ T293] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.441785][ T293] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 16.441788][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.441790][ T293] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.441794][ T293] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.441798][ T293] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.441800][ T293] ? 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)) [ 16.441803][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.441805][ T293] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.441808][ T293] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.441812][ T293] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.441814][ T293] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.441819][ T293] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.441822][ T293] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.441824][ T293] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.441825][ T293] ? 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) [ 16.441829][ T293] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.441831][ T293] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.441833][ T293] vprintk_emit (kernel/printk/printk.c:2479) [ 16.441836][ T293] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.441841][ T293] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 16.441844][ T293] _printk (kernel/printk/printk.c:2504) [ 16.441847][ T293] ? snapshot_read.cold (user.c:?) [ 16.441853][ T293] ? 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) [ 16.441856][ T293] gact_init_module (net/sched/act_gact.c:180) act_gact [ 16.441858][ T293] do_one_initcall (init/main.c:1357) [ 16.441861][ T293] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 16.441865][ T293] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 16.441868][ T293] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 16.441873][ T293] do_init_module (kernel/module/main.c:3117) [ 16.441876][ T293] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 16.441880][ T293] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 16.441882][ T293] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 16.441886][ T293] load_module (kernel/module/main.c:3593) [ 16.441891][ T293] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 16.441895][ T293] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 16.441898][ T293] ? __ia32_sys_fsconfig (??:?) [ 16.441902][ T293] ? backing_file_read_iter (fs/backing-file.c:211) [ 16.441906][ T293] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.441909][ T293] init_module_from_file (kernel/module/main.c:3790) [ 16.441912][ T293] ? __do_sys_init_module (kernel/module/main.c:3664) [ 16.441919][ T293] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.441922][ T293] ? 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) [ 16.441925][ T293] idempotent_init_module (kernel/module/main.c:3802) [ 16.441928][ T293] ? init_module_from_file (kernel/module/main.c:3791) [ 16.441933][ T293] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 16.441936][ T293] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 16.441941][ T293] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 16.441942][ T293] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.441946][ T293] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.441948][ T293] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.441951][ T293] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.441953][ T293] RIP: 0033:0x7f8ea477537d [ 16.441956][ T293] 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 [ 16.441958][ T293] RSP: 002b:00007fff964a2218 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 16.441960][ T293] RAX: ffffffffffffffda RBX: 000055a02aa9c810 RCX: 00007f8ea477537d [ 16.441962][ T293] RDX: 0000000000000000 RSI: 000055a010091ffd RDI: 0000000000000000 [ 16.441962][ T293] RBP: 00007fff964a22b0 R08: 0000000000000000 R09: 0000000000000000 [ 16.441963][ T293] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a010091ffd [ 16.441964][ T293] R13: 000055a02aa9c960 R14: 0000000000040000 R15: 0000000000000000 | [ 17.481526][ T38] softirqs last disabled at (128478): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 17.481529][ T38] Preemption disabled at: | [ 17.481529][ T38] 0x0 | [ 17.481540][ T38] Tainted: [W]=WARN [ 17.481541][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.481542][ T38] Workqueue: events_unbound linkwatch_event [ 17.481546][ T38] Call Trace: [ 17.481547][ T38] [ 17.481549][ T38] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.481555][ T38] __might_resched.cold (kernel/sched/core.c:9234) [ 17.481560][ T38] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.481564][ T38] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.481568][ T38] __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)) [ 17.481570][ T38] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.481577][ T38] ? 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) [ 17.481580][ T38] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.481584][ T38] put_chars (drivers/char/virtio_console.c:1176) [ 17.481586][ T38] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.481589][ T38] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.481592][ T38] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.481595][ T38] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.481599][ T38] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.481604][ T38] ? mark_usage (kernel/locking/lockdep.c:4690) [ 17.481606][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.481607][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.481612][ T38] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.481614][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.481618][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.481622][ T38] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.481626][ T38] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.481628][ T38] ? 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)) [ 17.481632][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.481634][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.481638][ T38] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.481642][ T38] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.481644][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.481650][ T38] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.481653][ T38] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.481654][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.481656][ T38] ? 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) [ 17.481660][ T38] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.481662][ T38] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.481665][ T38] vprintk_emit (kernel/printk/printk.c:2479) [ 17.481668][ T38] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.481669][ T38] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 17.481672][ T38] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.481674][ T38] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.481678][ T38] _printk (kernel/printk/printk.c:2504) [ 17.481681][ T38] ? snapshot_read.cold (user.c:?) [ 17.481687][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.481691][ T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 17.481695][ T38] br_init_port (net/bridge/br_stp_if.c:39) [ 17.481698][ T38] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 17.481700][ T38] br_port_carrier_check (net/bridge/br_if.c:90) [ 17.481704][ T38] br_device_event (net/bridge/br.c:101) [ 17.481706][ T38] ? fib6_ifdown (net/ipv6/route.c:4976) [ 17.481709][ T38] ? packet_sendmsg_spkt (af_packet.c:?) [ 17.481715][ T38] notifier_call_chain (kernel/notifier.c:85) [ 17.481721][ T38] netif_state_change (net/core/dev.c:1625) [ 17.481726][ T38] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 17.481731][ T38] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 17.481733][ T38] __linkwatch_run_queue (net/core/link_watch.c:240) [ 17.481736][ T38] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 17.481739][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.481743][ T38] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 17.481746][ T38] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 17.481749][ T38] process_one_work (kernel/workqueue.c:3387) [ 17.481756][ T38] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 17.481759][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.481767][ T38] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 17.481774][ T38] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 17.481776][ T38] kthread (kernel/kthread.c:436) [ 17.481778][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.481782][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.481785][ T38] ret_from_fork (arch/x86/kernel/process.c:158) [ 17.481789][ T38] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 17.481792][ T38] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 17.481796][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.481799][ T38] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 18.499063][ T62] softirqs last disabled at (24166): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 18.499066][ T62] Preemption disabled at: | [ 18.499067][ T62] 0x0 | [ 18.499077][ T62] Tainted: [W]=WARN [ 18.499078][ T62] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.499079][ T62] Workqueue: events_unbound linkwatch_event [ 18.499083][ T62] Call Trace: [ 18.499084][ T62] [ 18.499086][ T62] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.499092][ T62] __might_resched.cold (kernel/sched/core.c:9234) [ 18.499097][ T62] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.499101][ T62] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.499105][ T62] __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)) [ 18.499107][ T62] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.499114][ T62] ? 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) [ 18.499117][ T62] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.499121][ T62] put_chars (drivers/char/virtio_console.c:1176) [ 18.499123][ T62] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.499126][ T62] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.499129][ T62] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.499132][ T62] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.499136][ T62] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.499140][ T62] ? mark_usage (kernel/locking/lockdep.c:4690) [ 18.499142][ T62] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.499144][ T62] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.499148][ T62] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.499150][ T62] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.499155][ T62] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.499159][ T62] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.499163][ T62] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.499165][ T62] ? 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)) [ 18.499168][ T62] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.499170][ T62] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.499174][ T62] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.499179][ T62] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.499180][ T62] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.499186][ T62] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.499189][ T62] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.499191][ T62] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.499192][ T62] ? 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) [ 18.499198][ T62] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.499200][ T62] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.499203][ T62] vprintk_emit (kernel/printk/printk.c:2479) [ 18.499206][ T62] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.499207][ T62] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 18.499210][ T62] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.499212][ T62] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.499216][ T62] _printk (kernel/printk/printk.c:2504) [ 18.499219][ T62] ? snapshot_read.cold (user.c:?) [ 18.499225][ T62] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.499229][ T62] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 18.499234][ T62] br_init_port (net/bridge/br_stp_if.c:39) [ 18.499236][ T62] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 18.499238][ T62] br_port_carrier_check (net/bridge/br_if.c:90) [ 18.499242][ T62] br_device_event (net/bridge/br.c:101) [ 18.499244][ T62] ? fib6_ifdown (net/ipv6/route.c:4976) [ 18.499247][ T62] ? packet_sendmsg_spkt (af_packet.c:?) [ 18.499253][ T62] notifier_call_chain (kernel/notifier.c:85) [ 18.499259][ T62] netif_state_change (net/core/dev.c:1625) [ 18.499264][ T62] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 18.499269][ T62] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 18.499271][ T62] __linkwatch_run_queue (net/core/link_watch.c:240) [ 18.499274][ T62] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 18.499276][ T62] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.499281][ T62] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 18.499283][ T62] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 18.499286][ T62] process_one_work (kernel/workqueue.c:3387) [ 18.499293][ T62] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 18.499296][ T62] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.499304][ T62] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 18.499312][ T62] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.499314][ T62] kthread (kernel/kthread.c:436) [ 18.499316][ T62] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.499320][ T62] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.499323][ T62] ret_from_fork (arch/x86/kernel/process.c:158) [ 18.499327][ T62] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 18.499330][ T62] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 18.499334][ T62] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.499336][ T62] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 18.508570][ C0] | [ 18.508570][ C0] | [ 18.508570][ C0] stack backtrace: | [ 18.508575][ C0] Tainted: [W]=WARN [ 18.508576][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.508577][ C0] Call Trace: [ 18.508578][ C0] [ 18.508579][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.508583][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 18.508585][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 18.508587][ C0] ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450) [ 18.508590][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 18.508592][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 18.508593][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 18.508595][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.508597][ C0] ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2)) [ 18.508599][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.508601][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.508603][ C0] console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2)) [ 18.508605][ C0] ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2)) [ 18.508607][ C0] vprintk_emit (kernel/printk/printk.c:2478) [ 18.508608][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.508610][ 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)) [ 18.508612][ C0] _printk (kernel/printk/printk.c:2504) [ 18.508613][ C0] ? snapshot_read.cold (user.c:?) [ 18.508615][ 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)) [ 18.508617][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 18.508619][ 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)) [ 18.508621][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 18.508622][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 18.508624][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 18.508626][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 18.508628][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 18.508630][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 18.508632][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 18.508634][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.508636][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 18.508637][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 18.508640][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 18.508641][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.508644][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.508647][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 18.508649][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 18.508650][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.508653][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.508654][ C0] handle_softirqs (kernel/softirq.c:645) [ 18.508656][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 18.508658][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 18.508660][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 18.508661][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 18.508663][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 18.508664][ C0] [ 18.508665][ C0] [ 18.508665][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 18.508667][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 18.508669][ C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 18.508671][ 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 [ 18.508673][ C0] RSP: 0018:ffffffff97e07cf8 EFLAGS: 00000296 [ 18.508675][ C0] RAX: 000000000009a647 RBX: ffffffff97e30600 RCX: ffffffff94506247 [ 18.508676][ C0] RDX: ffffffff97e30600 RSI: ffffffff97711027 RDI: ffffffff970949e0 [ 18.508677][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 18.508678][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff2fc0fa2 [ 18.508679][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 18.508680][ C0] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 18.508682][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 18.508684][ C0] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 18.508685][ C0] default_idle_call (kernel/sched/idle.c:122) [ 18.508687][ C0] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 18.508688][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 18.508690][ C0] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 18.508692][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.508694][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.508695][ C0] do_idle (kernel/sched/idle.c:355) [ 18.508697][ C0] cpu_startup_entry (kernel/sched/idle.c:454) [ 18.508698][ C0] rest_init (init/main.c:727) [ 18.508700][ C0] ? __cpuidle_text_end (??:?) [ 18.508702][ C0] ? rest_init (init/main.c:727) [ 18.508704][ C0] ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1)) [ 18.508707][ C0] ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1)) [ 18.508709][ C0] ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47) [ 18.508711][ C0] start_kernel (init/main.c:1185) [ 18.508713][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:310) [ 18.508714][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:291) [ 18.508716][ C0] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 20.038301][ T38] softirqs last disabled at (129150): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 20.038302][ T38] Preemption disabled at: | [ 20.038303][ T38] 0x0 | [ 20.038312][ T38] Tainted: [W]=WARN [ 20.038313][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.038315][ T38] Workqueue: events_unbound linkwatch_event [ 20.038321][ T38] Call Trace: [ 20.038322][ T38] [ 20.038323][ T38] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.038330][ T38] __might_resched.cold (kernel/sched/core.c:9234) [ 20.038333][ T38] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.038337][ T38] ? mark_usage (kernel/locking/lockdep.c:4690) [ 20.038340][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.038342][ T38] __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)) [ 20.038345][ T38] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.038347][ T38] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.038351][ T38] ? 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) [ 20.038353][ T38] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.038356][ T38] put_chars (drivers/char/virtio_console.c:1176) [ 20.038357][ T38] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.038359][ T38] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 20.038361][ T38] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 20.038364][ T38] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.038368][ T38] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.038370][ T38] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.038372][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.038373][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.038374][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.038376][ T38] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.038378][ T38] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.038380][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.038381][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.038382][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.038383][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.038385][ T38] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 20.038387][ T38] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.038389][ T38] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.038392][ T38] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.038394][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.038396][ T38] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.038397][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.038398][ T38] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 20.038399][ T38] ? 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) [ 20.038401][ T38] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 20.038406][ T38] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.038408][ T38] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.038410][ T38] vprintk_emit (kernel/printk/printk.c:2479) [ 20.038411][ T38] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.038413][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.038414][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.038417][ T38] _printk (kernel/printk/printk.c:2504) [ 20.038420][ T38] ? snapshot_read.cold (user.c:?) [ 20.038422][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.038424][ T38] ? fib6_del (net/ipv6/ip6_fib.c:2069) [ 20.038427][ T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 20.038430][ T38] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 20.038432][ T38] br_port_carrier_check (net/bridge/br_if.c:95) [ 20.038435][ T38] br_device_event (net/bridge/br.c:101) [ 20.038437][ T38] ? packet_sendmsg_spkt (af_packet.c:?) [ 20.038439][ T38] ? addrconf_notify (net/ipv6/addrconf.c:3749) [ 20.038441][ T38] notifier_call_chain (kernel/notifier.c:85) [ 20.038445][ T38] netif_state_change (net/core/dev.c:1625) [ 20.038448][ T38] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 20.038451][ T38] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 20.038453][ T38] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 20.038454][ T38] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 20.038456][ T38] __linkwatch_run_queue (net/core/link_watch.c:240) [ 20.038458][ T38] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 20.038459][ T38] ? debug_object_active_state (lib/debugobjects.c:1122) [ 20.038462][ T38] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 20.038464][ T38] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 20.038466][ T38] process_one_work (kernel/workqueue.c:3387) [ 20.038470][ T38] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 20.038471][ T38] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.038473][ T38] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.038476][ T38] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 20.038479][ T38] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 20.038480][ T38] kthread (kernel/kthread.c:436) [ 20.038482][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 20.038484][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 20.038486][ T38] ret_from_fork (arch/x86/kernel/process.c:158) [ 20.038488][ T38] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 20.038490][ T38] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 20.038493][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 20.038495][ T38] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 21.157259][ T493] softirqs last disabled at (0): 0x0 | [ 21.157261][ T493] Preemption disabled at: | [ 21.157261][ T493] vprintk_emit (kernel/printk/printk.c:2471) | [ 21.157271][ T493] Tainted: [W]=WARN [ 21.157272][ T493] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.157274][ T493] Call Trace: [ 21.157275][ T493] [ 21.157276][ T493] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.157282][ T493] ? vprintk_emit (kernel/printk/printk.c:2471) [ 21.157283][ T493] __might_resched.cold (kernel/sched/core.c:9234) [ 21.157287][ T493] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.157290][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.157292][ T493] __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)) [ 21.157295][ T493] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.157298][ T493] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.157303][ T493] ? 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) [ 21.157304][ T493] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.157307][ T493] put_chars (drivers/char/virtio_console.c:1176) [ 21.157308][ T493] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.157309][ T493] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 21.157312][ T493] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 21.157313][ T493] ? pointer (lib/vsprintf.c:2577) [ 21.157317][ T493] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.157321][ T493] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.157323][ T493] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.157325][ T493] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.157327][ T493] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.157329][ T493] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.157331][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.157332][ T493] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.157334][ T493] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 21.157336][ T493] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.157338][ T493] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.157341][ T493] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.157343][ T493] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.157344][ T493] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.157346][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.157347][ T493] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 21.157348][ T493] ? 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) [ 21.157350][ T493] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 21.157351][ T493] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.157353][ T493] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.157354][ T493] vprintk_emit (kernel/printk/printk.c:2479) [ 21.157356][ T493] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.157357][ T493] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 21.157359][ T493] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 21.157362][ T493] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 21.157364][ T493] _printk (kernel/printk/printk.c:2504) [ 21.157367][ T493] ? snapshot_read.cold (user.c:?) [ 21.157369][ T493] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 21.157371][ T493] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 21.157374][ T493] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 21.157376][ T493] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 21.157379][ T493] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 21.157381][ T493] ? netdev_notice (net/core/dev.c:13194) [ 21.157383][ T493] ? 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) [ 21.157384][ T493] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 21.157387][ T493] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.157388][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.157389][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.157390][ T493] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 21.157391][ T493] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 21.157393][ T493] ? 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) [ 21.157394][ T493] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 21.157395][ T493] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 21.157397][ T493] ? register_netdev (net/core/dev.c:11618) [ 21.157398][ T493] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 21.157400][ T493] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 21.157402][ T493] ? __kernel_text_address (kernel/extable.c:79) [ 21.157404][ T493] ? write_profile (profile.c:?) [ 21.157410][ T493] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 21.157414][ T493] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 21.157416][ T493] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 21.157417][ T493] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 21.157418][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.157419][ T493] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 21.157422][ T493] ? kasan_save_stack (mm/kasan/common.c:58) [ 21.157424][ T493] ? kasan_save_stack (mm/kasan/common.c:57) [ 21.157425][ T493] ? kasan_save_track (mm/kasan/common.c:78) [ 21.157426][ T493] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 21.157427][ T493] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 21.157428][ T493] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 21.157429][ T493] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 21.157431][ T493] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 21.157433][ T493] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 21.157435][ T493] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 21.157436][ T493] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 21.157439][ T493] ? ____sys_sendmsg (net/socket.c:2713) [ 21.157440][ T493] ? ___sys_sendmsg (net/socket.c:2767) [ 21.157442][ T493] ? __sys_sendmsg (net/socket.c:2799) [ 21.157443][ T493] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 21.157445][ T493] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.157448][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.157449][ T493] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.157450][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.157451][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.157452][ T493] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 21.157454][ T493] ? __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) [ 21.157455][ T493] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 21.157456][ T493] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 21.157457][ T493] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 21.157458][ T493] ? nla_get_range_signed (lib/nlattr.c:270) [ 21.157462][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.157463][ T493] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 21.157465][ T493] rtnl_newlink (net/core/rtnetlink.c:4215) [ 21.157467][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.157468][ T493] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.157469][ T493] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.157470][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.157472][ T493] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 21.157474][ T493] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 21.157475][ T493] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 21.157476][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.157477][ T493] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 21.157481][ T493] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 21.157483][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.157484][ T493] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.157485][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.157487][ T493] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.157488][ T493] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 21.157489][ T493] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 21.157491][ T493] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 21.157492][ T493] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 21.157494][ T493] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 21.157496][ T493] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 21.157497][ T493] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 21.157499][ T493] ? netlink_ack (./include/linux/skbuff.h:2718) [ 21.157500][ T493] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 21.157503][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.157504][ T493] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 21.157506][ T493] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 21.157508][ T493] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 21.157510][ T493] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.157512][ T493] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 21.157514][ T493] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 21.157516][ T493] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 21.157517][ T493] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.157519][ T493] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 21.157522][ T493] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 21.157524][ T493] ____sys_sendmsg (net/socket.c:2713) [ 21.157525][ T493] ? copy_msghdr_from_user (net/socket.c:2650) [ 21.157527][ T493] ? sock_write_iter (net/socket.c:1269) [ 21.157528][ T493] ? move_addr_to_kernel (net/socket.c:258) [ 21.157530][ T493] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 21.157532][ T493] ___sys_sendmsg (net/socket.c:2767) [ 21.157534][ T493] ? copy_msghdr_from_user (net/socket.c:2619) [ 21.157539][ T493] __sys_sendmsg (net/socket.c:2799) [ 21.157540][ T493] ? __sys_sendmsg_sock (net/socket.c:2780) [ 21.157543][ T493] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.157545][ T493] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 21.157546][ T493] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 21.157548][ T493] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.157549][ T493] RIP: 0033:0x7f34096eb54e [ 21.157551][ T493] 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 [ 21.157553][ T493] RSP: 002b:00007fff74ec3100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 21.157556][ T493] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f34096eb54e [ 21.157558][ T493] RDX: 0000000000000000 RSI: 00007fff74ec31b0 RDI: 0000000000000005 [ 21.157559][ T493] RBP: 00007fff74ec3110 R08: 0000000000000000 R09: 0000000000000000 [ 21.157559][ T493] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911763 [ 21.157560][ T493] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff74ec3870 | [ 27.537302][ T36] softirqs last disabled at (85208): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 27.537304][ T36] Preemption disabled at: | [ 27.537304][ T36] 0x0 | [ 27.537314][ T36] Tainted: [W]=WARN [ 27.537315][ T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.537317][ T36] Workqueue: events_unbound linkwatch_event [ 27.537323][ T36] Call Trace: [ 27.537324][ T36] [ 27.537326][ T36] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 27.537331][ T36] __might_resched.cold (kernel/sched/core.c:9234) [ 27.537335][ T36] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.537339][ T36] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 27.537342][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.537345][ T36] __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)) [ 27.537347][ T36] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 27.537350][ T36] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.537354][ T36] ? 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) [ 27.537356][ T36] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.537358][ T36] put_chars (drivers/char/virtio_console.c:1176) [ 27.537360][ T36] ? __send_to_port (drivers/char/virtio_console.c:654) [ 27.537361][ T36] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 27.537364][ T36] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 27.537366][ T36] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 27.537371][ T36] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 27.537373][ T36] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 27.537374][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.537375][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.537377][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.537379][ T36] console_emit_next_record (kernel/printk/printk.c:3183) [ 27.537381][ T36] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 27.537383][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.537384][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.537385][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.537386][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.537388][ T36] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 27.537390][ T36] console_flush_one_record (kernel/printk/printk.c:3268) [ 27.537392][ T36] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 27.537395][ T36] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 27.537397][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.537398][ T36] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 27.537400][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.537401][ T36] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 27.537402][ T36] ? 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) [ 27.537404][ T36] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 27.537405][ T36] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 27.537407][ T36] ? vprintk_emit (kernel/printk/printk.c:2478) [ 27.537409][ T36] vprintk_emit (kernel/printk/printk.c:2479) [ 27.537410][ T36] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 27.537412][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.537413][ T36] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 27.537416][ T36] _printk (kernel/printk/printk.c:2504) [ 27.537419][ T36] ? snapshot_read.cold (user.c:?) [ 27.537421][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.537423][ T36] ? fib6_del (net/ipv6/ip6_fib.c:2069) [ 27.537426][ T36] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 27.537430][ T36] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 27.537431][ T36] br_port_carrier_check (net/bridge/br_if.c:95) [ 27.537434][ T36] br_device_event (net/bridge/br.c:101) [ 27.537441][ T36] ? packet_sendmsg_spkt (af_packet.c:?) [ 27.537443][ T36] ? addrconf_notify (net/ipv6/addrconf.c:3749) [ 27.537446][ T36] notifier_call_chain (kernel/notifier.c:85) [ 27.537449][ T36] netif_state_change (net/core/dev.c:1625) [ 27.537452][ T36] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 27.537455][ T36] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 27.537457][ T36] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 27.537459][ T36] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 27.537460][ T36] __linkwatch_run_queue (net/core/link_watch.c:240) [ 27.537462][ T36] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 27.537463][ T36] ? debug_object_active_state (lib/debugobjects.c:1122) [ 27.537467][ T36] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 27.537468][ T36] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 27.537470][ T36] process_one_work (kernel/workqueue.c:3387) [ 27.537474][ T36] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 27.537476][ T36] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 27.537478][ T36] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 27.537480][ T36] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 27.537483][ T36] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 27.537485][ T36] kthread (kernel/kthread.c:436) [ 27.537487][ T36] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 27.537488][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 27.537490][ T36] ret_from_fork (arch/x86/kernel/process.c:158) [ 27.537493][ T36] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 27.537495][ T36] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 27.537498][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 27.537499][ T36] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 28.638396][ T58] softirqs last disabled at (15307): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 28.638398][ T58] Preemption disabled at: | [ 28.638398][ T58] 0x0 | [ 28.638408][ T58] Tainted: [W]=WARN [ 28.638408][ T58] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.638410][ T58] Workqueue: events_unbound linkwatch_event [ 28.638416][ T58] Call Trace: [ 28.638417][ T58] [ 28.638419][ T58] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 28.638424][ T58] __might_resched.cold (kernel/sched/core.c:9234) [ 28.638428][ T58] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 28.638431][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.638434][ T58] __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)) [ 28.638437][ T58] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 28.638440][ T58] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.638448][ T58] ? 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) [ 28.638450][ T58] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.638452][ T58] put_chars (drivers/char/virtio_console.c:1176) [ 28.638454][ T58] ? __send_to_port (drivers/char/virtio_console.c:654) [ 28.638455][ T58] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 28.638458][ T58] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 28.638461][ T58] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 28.638465][ T58] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 28.638467][ T58] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 28.638469][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.638470][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.638471][ T58] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.638473][ T58] console_emit_next_record (kernel/printk/printk.c:3183) [ 28.638476][ T58] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 28.638478][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.638478][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.638479][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.638480][ T58] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.638482][ T58] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 28.638484][ T58] console_flush_one_record (kernel/printk/printk.c:3268) [ 28.638486][ T58] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 28.638489][ T58] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 28.638491][ T58] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.638492][ T58] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 28.638494][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.638495][ T58] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 28.638496][ T58] ? 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) [ 28.638497][ T58] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 28.638499][ T58] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 28.638501][ T58] ? vprintk_emit (kernel/printk/printk.c:2478) [ 28.638502][ T58] vprintk_emit (kernel/printk/printk.c:2479) [ 28.638504][ T58] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 28.638505][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.638506][ T58] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 28.638509][ T58] _printk (kernel/printk/printk.c:2504) [ 28.638512][ T58] ? snapshot_read.cold (user.c:?) [ 28.638514][ T58] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.638516][ T58] ? fib6_del (net/ipv6/ip6_fib.c:2069) [ 28.638519][ T58] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 28.638523][ T58] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 28.638525][ T58] br_port_carrier_check (net/bridge/br_if.c:95) [ 28.638528][ T58] br_device_event (net/bridge/br.c:101) [ 28.638530][ T58] ? packet_sendmsg_spkt (af_packet.c:?) [ 28.638532][ T58] ? addrconf_notify (net/ipv6/addrconf.c:3749) [ 28.638535][ T58] notifier_call_chain (kernel/notifier.c:85) [ 28.638538][ T58] netif_state_change (net/core/dev.c:1625) [ 28.638541][ T58] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 28.638544][ T58] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 28.638546][ T58] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 28.638548][ T58] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 28.638549][ T58] __linkwatch_run_queue (net/core/link_watch.c:240) [ 28.638551][ T58] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 28.638552][ T58] ? debug_object_active_state (lib/debugobjects.c:1122) [ 28.638556][ T58] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 28.638557][ T58] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 28.638559][ T58] process_one_work (kernel/workqueue.c:3387) [ 28.638563][ T58] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 28.638565][ T58] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 28.638567][ T58] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 28.638569][ T58] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 28.638572][ T58] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 28.638574][ T58] kthread (kernel/kthread.c:436) [ 28.638576][ T58] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 28.638577][ T58] ? kthread_affine_preferred (kernel/kthread.c:857) [ 28.638579][ T58] ret_from_fork (arch/x86/kernel/process.c:158) [ 28.638582][ T58] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 28.638584][ T58] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 28.638587][ T58] ? kthread_affine_preferred (kernel/kthread.c:857) [ 28.638588][ T58] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 30.589757][ T36] softirqs last disabled at (85208): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 30.589758][ T36] Preemption disabled at: | [ 30.589759][ T36] 0x0 | [ 30.589768][ T36] Tainted: [W]=WARN [ 30.589769][ T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.589771][ T36] Workqueue: events_unbound linkwatch_event [ 30.589777][ T36] Call Trace: [ 30.589778][ T36] [ 30.589779][ T36] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.589785][ T36] __might_resched.cold (kernel/sched/core.c:9234) [ 30.589789][ T36] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.589793][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.589795][ T36] __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)) [ 30.589798][ T36] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.589801][ T36] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.589806][ T36] ? 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) [ 30.589808][ T36] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.589810][ T36] put_chars (drivers/char/virtio_console.c:1176) [ 30.589812][ T36] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.589813][ T36] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 30.589816][ T36] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 30.589818][ T36] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.589823][ T36] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.589825][ T36] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.589826][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.589827][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.589828][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.589831][ T36] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.589834][ T36] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.589836][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.589837][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.589837][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.589838][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.589840][ T36] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 30.589842][ T36] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.589844][ T36] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.589847][ T36] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.589849][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.589850][ T36] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.589852][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.589853][ T36] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 30.589854][ T36] ? 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) [ 30.589856][ T36] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 30.589857][ T36] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.589859][ T36] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.589861][ T36] vprintk_emit (kernel/printk/printk.c:2479) [ 30.589862][ T36] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.589864][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.589865][ T36] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 30.589868][ T36] _printk (kernel/printk/printk.c:2504) [ 30.589871][ T36] ? snapshot_read.cold (user.c:?) [ 30.589873][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.589875][ T36] ? fib6_del (net/ipv6/ip6_fib.c:2069) [ 30.589877][ T36] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 30.589881][ T36] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 30.589883][ T36] br_port_carrier_check (net/bridge/br_if.c:95) [ 30.589886][ T36] br_device_event (net/bridge/br.c:101) [ 30.589888][ T36] ? packet_sendmsg_spkt (af_packet.c:?) [ 30.589890][ T36] ? addrconf_notify (net/ipv6/addrconf.c:3749) [ 30.589893][ T36] notifier_call_chain (kernel/notifier.c:85) [ 30.589896][ T36] netif_state_change (net/core/dev.c:1625) [ 30.589899][ T36] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 30.589902][ T36] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 30.589904][ T36] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 30.589906][ T36] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 30.589907][ T36] __linkwatch_run_queue (net/core/link_watch.c:240) [ 30.589909][ T36] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 30.589910][ T36] ? debug_object_active_state (lib/debugobjects.c:1122) [ 30.589914][ T36] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 30.589915][ T36] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 30.589917][ T36] process_one_work (kernel/workqueue.c:3387) [ 30.589921][ T36] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 30.589924][ T36] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.589926][ T36] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 30.589929][ T36] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 30.589931][ T36] kthread (kernel/kthread.c:436) [ 30.589932][ T36] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 30.589934][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 30.589936][ T36] ret_from_fork (arch/x86/kernel/process.c:158) [ 30.589939][ T36] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 30.589941][ T36] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 30.589943][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 30.589945][ T36] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 32.078068][ T778] softirqs last disabled at (0): 0x0 | [ 32.078070][ T778] Preemption disabled at: | [ 32.078070][ T778] vprintk_emit (kernel/printk/printk.c:2471) | [ 32.078080][ T778] Tainted: [W]=WARN [ 32.078081][ T778] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.078082][ T778] Call Trace: [ 32.078084][ T778] [ 32.078085][ T778] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.078090][ T778] ? vprintk_emit (kernel/printk/printk.c:2471) [ 32.078091][ T778] __might_resched.cold (kernel/sched/core.c:9234) [ 32.078095][ T778] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.078098][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.078101][ T778] __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)) [ 32.078104][ T778] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.078106][ T778] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.078112][ T778] ? 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) [ 32.078113][ T778] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.078116][ T778] put_chars (drivers/char/virtio_console.c:1176) [ 32.078117][ T778] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.078118][ T778] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 32.078121][ T778] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 32.078123][ T778] ? pointer (lib/vsprintf.c:2577) [ 32.078126][ T778] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.078131][ T778] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.078133][ T778] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.078134][ T778] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.078137][ T778] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.078140][ T778] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.078142][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.078143][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.078144][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.078145][ T778] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.078147][ T778] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 32.078149][ T778] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.078151][ T778] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.078154][ T778] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.078156][ T778] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.078157][ T778] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.078159][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.078160][ T778] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.078162][ T778] ? 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) [ 32.078163][ T778] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 32.078165][ T778] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.078167][ T778] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.078168][ T778] vprintk_emit (kernel/printk/printk.c:2479) [ 32.078170][ T778] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.078171][ T778] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 32.078173][ T778] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.078176][ T778] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 32.078179][ T778] _printk (kernel/printk/printk.c:2504) [ 32.078181][ T778] ? snapshot_read.cold (user.c:?) [ 32.078183][ T778] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 32.078186][ T778] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 32.078189][ T778] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 32.078191][ T778] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 32.078198][ T778] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 32.078201][ T778] ? netdev_notice (net/core/dev.c:13194) [ 32.078203][ T778] ? 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) [ 32.078204][ T778] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 32.078207][ T778] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.078209][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.078209][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.078211][ T778] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.078212][ T778] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 32.078213][ T778] ? 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) [ 32.078215][ T778] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 32.078216][ T778] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 32.078218][ T778] ? register_netdev (net/core/dev.c:11618) [ 32.078219][ T778] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.078221][ T778] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 32.078224][ T778] ? __kernel_text_address (kernel/extable.c:79) [ 32.078226][ T778] ? write_profile (profile.c:?) [ 32.078229][ T778] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 32.078232][ T778] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 32.078234][ T778] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 32.078236][ T778] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 32.078237][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.078238][ T778] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 32.078241][ T778] ? kasan_save_stack (mm/kasan/common.c:58) [ 32.078244][ T778] ? kasan_save_stack (mm/kasan/common.c:57) [ 32.078245][ T778] ? kasan_save_track (mm/kasan/common.c:78) [ 32.078246][ T778] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 32.078247][ T778] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 32.078248][ T778] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 32.078249][ T778] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 32.078250][ T778] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 32.078253][ T778] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 32.078255][ T778] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 32.078256][ T778] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 32.078259][ T778] ? ____sys_sendmsg (net/socket.c:2713) [ 32.078260][ T778] ? ___sys_sendmsg (net/socket.c:2767) [ 32.078262][ T778] ? __sys_sendmsg (net/socket.c:2799) [ 32.078264][ T778] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.078266][ T778] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.078269][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.078270][ T778] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.078271][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.078272][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.078273][ T778] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 32.078275][ T778] ? __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) [ 32.078276][ T778] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 32.078277][ T778] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 32.078279][ T778] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 32.078280][ T778] ? nla_get_range_signed (lib/nlattr.c:270) [ 32.078283][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.078284][ T778] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 32.078287][ T778] rtnl_newlink (net/core/rtnetlink.c:4215) [ 32.078289][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.078290][ T778] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 32.078291][ T778] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.078293][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.078294][ T778] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 32.078296][ T778] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 32.078298][ T778] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 32.078299][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.078300][ T778] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 32.078303][ T778] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 32.078306][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.078307][ T778] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.078308][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.078310][ T778] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 32.078311][ T778] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 32.078313][ T778] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 32.078314][ T778] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 32.078316][ T778] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 32.078318][ T778] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 32.078320][ T778] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 32.078321][ T778] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.078323][ T778] ? netlink_ack (./include/linux/skbuff.h:2718) [ 32.078325][ T778] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 32.078328][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.078329][ T778] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.078331][ T778] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 32.078333][ T778] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 32.078335][ T778] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.078337][ T778] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 32.078339][ T778] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.078341][ T778] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 32.078343][ T778] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.078344][ T778] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 32.078347][ T778] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 32.078349][ T778] ____sys_sendmsg (net/socket.c:2713) [ 32.078351][ T778] ? copy_msghdr_from_user (net/socket.c:2650) [ 32.078353][ T778] ? sock_write_iter (net/socket.c:1269) [ 32.078354][ T778] ? move_addr_to_kernel (net/socket.c:258) [ 32.078356][ T778] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 32.078358][ T778] ___sys_sendmsg (net/socket.c:2767) [ 32.078360][ T778] ? copy_msghdr_from_user (net/socket.c:2619) [ 32.078365][ T778] __sys_sendmsg (net/socket.c:2799) [ 32.078367][ T778] ? __sys_sendmsg_sock (net/socket.c:2780) [ 32.078370][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.078371][ T778] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.078373][ T778] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.078375][ T778] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.078377][ T778] RIP: 0033:0x7f4a020ae54e [ 32.078379][ T778] 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 [ 32.078380][ T778] RSP: 002b:00007fff21df2190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.078384][ T778] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4a020ae54e [ 32.078385][ T778] RDX: 0000000000000000 RSI: 00007fff21df2240 RDI: 0000000000000005 [ 32.078386][ T778] RBP: 00007fff21df21a0 R08: 0000000000000000 R09: 0000000000000000 [ 32.078387][ T778] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91176e [ 32.078388][ T778] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff21df2900 | [ 38.328806][ T38] softirqs last disabled at (129150): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 38.328808][ T38] Preemption disabled at: | [ 38.328809][ T38] 0x0 | [ 38.328818][ T38] Tainted: [W]=WARN [ 38.328819][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.328820][ T38] Workqueue: events_unbound linkwatch_event [ 38.328826][ T38] Call Trace: [ 38.328828][ T38] [ 38.328829][ T38] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.328835][ T38] __might_resched.cold (kernel/sched/core.c:9234) [ 38.328839][ T38] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.328843][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.328846][ T38] __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)) [ 38.328848][ T38] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.328851][ T38] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.328856][ T38] ? 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) [ 38.328857][ T38] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.328860][ T38] put_chars (drivers/char/virtio_console.c:1176) [ 38.328861][ T38] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.328863][ T38] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 38.328866][ T38] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 38.328868][ T38] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.328872][ T38] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.328874][ T38] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.328876][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.328877][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.328878][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.328880][ T38] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.328883][ T38] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.328885][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.328886][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.328886][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.328887][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.328889][ T38] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 38.328891][ T38] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.328893][ T38] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.328896][ T38] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.328898][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.328899][ T38] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.328901][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.328902][ T38] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 38.328903][ T38] ? 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) [ 38.328905][ T38] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 38.328906][ T38] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.328908][ T38] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.328910][ T38] vprintk_emit (kernel/printk/printk.c:2479) [ 38.328911][ T38] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.328913][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.328914][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 38.328917][ T38] _printk (kernel/printk/printk.c:2504) [ 38.328920][ T38] ? snapshot_read.cold (user.c:?) [ 38.328922][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.328924][ T38] ? fib6_del (net/ipv6/ip6_fib.c:2069) [ 38.328927][ T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 38.328930][ T38] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 38.328932][ T38] br_port_carrier_check (net/bridge/br_if.c:95) [ 38.328935][ T38] br_device_event (net/bridge/br.c:101) [ 38.328937][ T38] ? packet_sendmsg_spkt (af_packet.c:?) [ 38.328939][ T38] ? addrconf_notify (net/ipv6/addrconf.c:3749) [ 38.328941][ T38] notifier_call_chain (kernel/notifier.c:85) [ 38.328945][ T38] netif_state_change (net/core/dev.c:1625) [ 38.328948][ T38] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 38.328951][ T38] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 38.328953][ T38] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 38.328954][ T38] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 38.328956][ T38] __linkwatch_run_queue (net/core/link_watch.c:240) [ 38.328957][ T38] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 38.328959][ T38] ? debug_object_active_state (lib/debugobjects.c:1122) [ 38.328962][ T38] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 38.328964][ T38] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 38.328965][ T38] process_one_work (kernel/workqueue.c:3387) [ 38.328969][ T38] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 38.328971][ T38] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.328973][ T38] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.328975][ T38] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 38.328978][ T38] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.328980][ T38] kthread (kernel/kthread.c:436) [ 38.328982][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 38.328983][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.328985][ T38] ret_from_fork (arch/x86/kernel/process.c:158) [ 38.328988][ T38] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 38.328990][ T38] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 38.328993][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.328995][ T38] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 41.300192][ T12] softirqs last disabled at (13716): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 41.300198][ T12] Preemption disabled at: | [ 41.300199][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 41.300209][ T12] Tainted: [W]=WARN [ 41.300210][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.300212][ T12] Workqueue: netns cleanup_net [ 41.300218][ T12] Call Trace: [ 41.300219][ T12] [ 41.300220][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 41.300226][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 41.300227][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 41.300230][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 41.300232][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.300235][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.300238][ T12] __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)) [ 41.300241][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.300244][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.300248][ T12] ? 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) [ 41.300250][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.300252][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 41.300254][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 41.300255][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 41.300258][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 41.300262][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 41.300264][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 41.300266][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.300267][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.300268][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.300270][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 41.300273][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 41.300275][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.300276][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.300276][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.300277][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.300280][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 41.300281][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 41.300284][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 41.300286][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 41.300288][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.300290][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 41.300291][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.300292][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 41.300293][ T12] ? 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) [ 41.300295][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 41.300296][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 41.300298][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 41.300300][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 41.300301][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 41.300302][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 41.300304][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 41.300306][ T12] ? kthread (kernel/kthread.c:436) [ 41.300308][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 41.300311][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 41.300314][ T12] _printk (kernel/printk/printk.c:2504) [ 41.300317][ T12] ? snapshot_read.cold (user.c:?) [ 41.300319][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 41.300322][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 41.300324][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 41.300326][ T12] ? netdev_notice (net/core/dev.c:13194) [ 41.300328][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.300329][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 41.300330][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 41.300333][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 41.300335][ T12] ? 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) [ 41.300336][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 41.300338][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 41.300340][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 41.300344][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 41.300346][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 41.300348][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 41.300350][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 41.300352][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 41.300355][ T12] cleanup_net (net/core/net_namespace.c:706) [ 41.300357][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 41.300359][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.300360][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.300362][ T12] process_one_work (kernel/workqueue.c:3387) [ 41.300364][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 41.300366][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 41.300368][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.300371][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 41.300374][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 41.300375][ T12] kthread (kernel/kthread.c:436) [ 41.300377][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 41.300378][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 41.300380][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 41.300382][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 41.300384][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 41.300386][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 41.300388][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 42.448964][ T1069] softirqs last disabled at (0): 0x0 | [ 42.448966][ T1069] Preemption disabled at: | [ 42.448966][ T1069] vprintk_emit (kernel/printk/printk.c:2471) | [ 42.448976][ T1069] Tainted: [W]=WARN [ 42.448977][ T1069] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.448979][ T1069] Call Trace: [ 42.448980][ T1069] [ 42.448981][ T1069] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 42.448986][ T1069] ? vprintk_emit (kernel/printk/printk.c:2471) [ 42.448988][ T1069] __might_resched.cold (kernel/sched/core.c:9234) [ 42.448992][ T1069] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 42.448995][ T1069] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 42.448999][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.449001][ T1069] __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)) [ 42.449004][ T1069] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 42.449006][ T1069] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.449012][ T1069] ? 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) [ 42.449013][ T1069] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.449016][ T1069] put_chars (drivers/char/virtio_console.c:1176) [ 42.449017][ T1069] ? __send_to_port (drivers/char/virtio_console.c:654) [ 42.449019][ T1069] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 42.449021][ T1069] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 42.449026][ T1069] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 42.449028][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.449029][ T1069] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.449032][ T1069] console_emit_next_record (kernel/printk/printk.c:3183) [ 42.449034][ T1069] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 42.449036][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.449037][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.449038][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.449039][ T1069] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.449041][ T1069] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 42.449043][ T1069] console_flush_one_record (kernel/printk/printk.c:3268) [ 42.449045][ T1069] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 42.449048][ T1069] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 42.449050][ T1069] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.449051][ T1069] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 42.449053][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.449054][ T1069] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 42.449056][ T1069] ? 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) [ 42.449057][ T1069] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 42.449058][ T1069] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 42.449060][ T1069] ? vprintk_emit (kernel/printk/printk.c:2478) [ 42.449062][ T1069] vprintk_emit (kernel/printk/printk.c:2479) [ 42.449063][ T1069] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 42.449064][ T1069] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 42.449066][ T1069] ? __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) [ 42.449069][ T1069] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 42.449070][ T1069] _printk (kernel/printk/printk.c:2504) [ 42.449073][ T1069] ? snapshot_read.cold (user.c:?) [ 42.449075][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.449076][ T1069] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 42.449078][ T1069] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 42.449079][ T1069] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 42.449084][ T1069] br_init_port (net/bridge/br_stp_if.c:39) [ 42.449085][ T1069] new_nbp (net/bridge/br_if.c:449) [ 42.449088][ T1069] br_add_if (net/bridge/br_if.c:592) [ 42.449089][ T1069] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 42.449090][ T1069] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 42.449094][ T1069] do_set_master (net/core/rtnetlink.c:3071) [ 42.449098][ T1069] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 42.449100][ T1069] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 42.449102][ T1069] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 42.449104][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.449105][ T1069] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 42.449108][ T1069] ? kasan_save_stack (mm/kasan/common.c:58) [ 42.449110][ T1069] ? kasan_save_stack (mm/kasan/common.c:57) [ 42.449111][ T1069] ? kasan_save_track (mm/kasan/common.c:78) [ 42.449112][ T1069] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 42.449113][ T1069] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 42.449114][ T1069] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 42.449115][ T1069] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 42.449116][ T1069] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 42.449119][ T1069] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 42.449120][ T1069] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 42.449122][ T1069] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 42.449125][ T1069] ? ____sys_sendmsg (net/socket.c:2713) [ 42.449126][ T1069] ? ___sys_sendmsg (net/socket.c:2767) [ 42.449127][ T1069] ? __sys_sendmsg (net/socket.c:2799) [ 42.449129][ T1069] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 42.449131][ T1069] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 42.449134][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.449135][ T1069] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.449136][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.449137][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.449138][ T1069] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 42.449140][ T1069] ? __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) [ 42.449141][ T1069] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 42.449142][ T1069] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 42.449143][ T1069] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 42.449144][ T1069] ? nla_get_range_signed (lib/nlattr.c:270) [ 42.449148][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.449149][ T1069] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 42.449151][ T1069] rtnl_newlink (net/core/rtnetlink.c:4215) [ 42.449153][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.449154][ T1069] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.449155][ T1069] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.449157][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.449158][ T1069] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 42.449159][ T1069] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 42.449161][ T1069] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 42.449163][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.449164][ T1069] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 42.449167][ T1069] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 42.449170][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.449171][ T1069] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.449172][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.449173][ T1069] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.449175][ T1069] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 42.449176][ T1069] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 42.449178][ T1069] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 42.449179][ T1069] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 42.449181][ T1069] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 42.449183][ T1069] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 42.449184][ T1069] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 42.449186][ T1069] ? netlink_ack (./include/linux/skbuff.h:2718) [ 42.449187][ T1069] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 42.449190][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.449192][ T1069] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 42.449194][ T1069] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 42.449198][ T1069] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 42.449201][ T1069] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 42.449203][ T1069] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 42.449205][ T1069] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 42.449207][ T1069] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 42.449209][ T1069] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.449211][ T1069] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 42.449214][ T1069] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 42.449216][ T1069] ____sys_sendmsg (net/socket.c:2713) [ 42.449217][ T1069] ? copy_msghdr_from_user (net/socket.c:2650) [ 42.449219][ T1069] ? sock_write_iter (net/socket.c:1269) [ 42.449221][ T1069] ? move_addr_to_kernel (net/socket.c:258) [ 42.449223][ T1069] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 42.449226][ T1069] ___sys_sendmsg (net/socket.c:2767) [ 42.449228][ T1069] ? copy_msghdr_from_user (net/socket.c:2619) [ 42.449233][ T1069] __sys_sendmsg (net/socket.c:2799) [ 42.449235][ T1069] ? __sys_sendmsg_sock (net/socket.c:2780) [ 42.449238][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.449240][ T1069] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 42.449242][ T1069] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 42.449244][ T1069] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 42.449246][ T1069] RIP: 0033:0x7fa23902154e [ 42.449248][ T1069] 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 [ 42.449250][ T1069] RSP: 002b:00007fff3ea77480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 42.449253][ T1069] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fa23902154e [ 42.449255][ T1069] RDX: 0000000000000000 RSI: 00007fff3ea77530 RDI: 0000000000000005 [ 42.449256][ T1069] RBP: 00007fff3ea77490 R08: 0000000000000000 R09: 0000000000000000 [ 42.449257][ T1069] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911778 [ 42.449258][ T1069] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3ea77c00 | [ 48.228044][ T62] softirqs last disabled at (24166): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 48.228047][ T62] Preemption disabled at: | [ 48.228048][ T62] 0x0 | [ 48.228057][ T62] Tainted: [W]=WARN [ 48.228058][ T62] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 48.228059][ T62] Workqueue: events_unbound linkwatch_event [ 48.228065][ T62] Call Trace: [ 48.228067][ T62] [ 48.228068][ T62] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 48.228073][ T62] __might_resched.cold (kernel/sched/core.c:9234) [ 48.228077][ T62] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 48.228080][ T62] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.228083][ T62] __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)) [ 48.228085][ T62] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 48.228088][ T62] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.228093][ T62] ? 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) [ 48.228094][ T62] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.228097][ T62] put_chars (drivers/char/virtio_console.c:1176) [ 48.228098][ T62] ? __send_to_port (drivers/char/virtio_console.c:654) [ 48.228100][ T62] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 48.228102][ T62] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 48.228104][ T62] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 48.228108][ T62] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 48.228110][ T62] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 48.228112][ T62] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.228113][ T62] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.228114][ T62] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.228116][ T62] console_emit_next_record (kernel/printk/printk.c:3183) [ 48.228119][ T62] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 48.228121][ T62] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.228122][ T62] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.228122][ T62] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.228123][ T62] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.228125][ T62] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 48.228127][ T62] console_flush_one_record (kernel/printk/printk.c:3268) [ 48.228129][ T62] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 48.228132][ T62] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 48.228134][ T62] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.228135][ T62] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 48.228137][ T62] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.228138][ T62] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 48.228139][ T62] ? 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) [ 48.228140][ T62] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 48.228142][ T62] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 48.228144][ T62] ? vprintk_emit (kernel/printk/printk.c:2478) [ 48.228145][ T62] vprintk_emit (kernel/printk/printk.c:2479) [ 48.228147][ T62] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 48.228148][ T62] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.228149][ T62] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 48.228153][ T62] _printk (kernel/printk/printk.c:2504) [ 48.228155][ T62] ? snapshot_read.cold (user.c:?) [ 48.228157][ T62] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.228159][ T62] ? fib6_del (net/ipv6/ip6_fib.c:2069) [ 48.228161][ T62] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 48.228164][ T62] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 48.228166][ T62] br_port_carrier_check (net/bridge/br_if.c:95) [ 48.228168][ T62] br_device_event (net/bridge/br.c:101) [ 48.228170][ T62] ? packet_sendmsg_spkt (af_packet.c:?) [ 48.228172][ T62] ? addrconf_notify (net/ipv6/addrconf.c:3749) [ 48.228175][ T62] notifier_call_chain (kernel/notifier.c:85) [ 48.228179][ T62] netif_state_change (net/core/dev.c:1625) [ 48.228182][ T62] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 48.228184][ T62] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 48.228186][ T62] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 48.228188][ T62] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 48.228189][ T62] __linkwatch_run_queue (net/core/link_watch.c:240) [ 48.228191][ T62] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 48.228193][ T62] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 48.228195][ T62] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 48.228198][ T62] process_one_work (kernel/workqueue.c:3387) [ 48.228203][ T62] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 48.228205][ T62] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 48.228207][ T62] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 48.228209][ T62] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 48.228212][ T62] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 48.228214][ T62] kthread (kernel/kthread.c:436) [ 48.228216][ T62] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 48.228217][ T62] ? kthread_affine_preferred (kernel/kthread.c:857) [ 48.228219][ T62] ret_from_fork (arch/x86/kernel/process.c:158) [ 48.228222][ T62] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 48.228224][ T62] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 48.228227][ T62] ? kthread_affine_preferred (kernel/kthread.c:857) [ 48.228228][ T62] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 49.236363][ T36] softirqs last disabled at (85208): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 49.236365][ T36] Preemption disabled at: | [ 49.236366][ T36] 0x0 | [ 49.236375][ T36] Tainted: [W]=WARN [ 49.236376][ T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 49.236378][ T36] Workqueue: events_unbound linkwatch_event [ 49.236384][ T36] Call Trace: [ 49.236385][ T36] [ 49.236387][ T36] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 49.236393][ T36] __might_resched.cold (kernel/sched/core.c:9234) [ 49.236397][ T36] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 49.236401][ T36] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 49.236404][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.236407][ T36] __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)) [ 49.236409][ T36] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 49.236412][ T36] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.236416][ T36] ? 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) [ 49.236418][ T36] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.236421][ T36] put_chars (drivers/char/virtio_console.c:1176) [ 49.236422][ T36] ? __send_to_port (drivers/char/virtio_console.c:654) [ 49.236424][ T36] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 49.236427][ T36] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 49.236429][ T36] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 49.236434][ T36] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 49.236436][ T36] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 49.236437][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.236439][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.236440][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.236442][ T36] console_emit_next_record (kernel/printk/printk.c:3183) [ 49.236445][ T36] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 49.236447][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.236448][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.236449][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.236450][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.236452][ T36] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 49.236454][ T36] console_flush_one_record (kernel/printk/printk.c:3268) [ 49.236456][ T36] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 49.236459][ T36] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 49.236461][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.236462][ T36] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 49.236464][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.236465][ T36] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 49.236467][ T36] ? 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) [ 49.236468][ T36] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 49.236470][ T36] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 49.236472][ T36] ? vprintk_emit (kernel/printk/printk.c:2478) [ 49.236474][ T36] vprintk_emit (kernel/printk/printk.c:2479) [ 49.236475][ T36] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 49.236477][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.236478][ T36] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 49.236482][ T36] _printk (kernel/printk/printk.c:2504) [ 49.236484][ T36] ? snapshot_read.cold (user.c:?) [ 49.236486][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.236488][ T36] ? fib6_del (net/ipv6/ip6_fib.c:2069) [ 49.236491][ T36] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 49.236495][ T36] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 49.236497][ T36] br_port_carrier_check (net/bridge/br_if.c:95) [ 49.236499][ T36] br_device_event (net/bridge/br.c:101) [ 49.236502][ T36] ? packet_sendmsg_spkt (af_packet.c:?) [ 49.236504][ T36] ? addrconf_notify (net/ipv6/addrconf.c:3749) [ 49.236506][ T36] notifier_call_chain (kernel/notifier.c:85) [ 49.236509][ T36] netif_state_change (net/core/dev.c:1625) [ 49.236513][ T36] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 49.236515][ T36] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 49.236517][ T36] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 49.236519][ T36] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 49.236520][ T36] __linkwatch_run_queue (net/core/link_watch.c:240) [ 49.236522][ T36] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 49.236523][ T36] ? debug_object_active_state (lib/debugobjects.c:1122) [ 49.236527][ T36] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 49.236528][ T36] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 49.236530][ T36] process_one_work (kernel/workqueue.c:3387) [ 49.236540][ T36] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 49.236543][ T36] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 49.236545][ T36] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 49.236548][ T36] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.236549][ T36] kthread (kernel/kthread.c:436) [ 49.236551][ T36] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 49.236553][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 49.236555][ T36] ret_from_fork (arch/x86/kernel/process.c:158) [ 49.236558][ T36] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 49.236560][ T36] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 49.236562][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 49.236564][ T36] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 55.362786][ T12] softirqs last disabled at (13716): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 55.362788][ T12] Preemption disabled at: | [ 55.362788][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 55.362799][ T12] Tainted: [W]=WARN [ 55.362799][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 55.362801][ T12] Workqueue: netns cleanup_net [ 55.362807][ T12] Call Trace: [ 55.362808][ T12] [ 55.362809][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 55.362815][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 55.362816][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 55.362819][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 55.362822][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 55.362825][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.362827][ T12] __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)) [ 55.362830][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 55.362833][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 55.362838][ T12] ? 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) [ 55.362839][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 55.362842][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 55.362843][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 55.362845][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 55.362847][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 55.362852][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 55.362853][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 55.362855][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 55.362857][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.362858][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.362860][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 55.362862][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 55.362864][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.362865][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.362866][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.362867][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.362870][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 55.362871][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 55.362874][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 55.362876][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 55.362878][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.362880][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 55.362881][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.362882][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 55.362883][ T12] ? 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) [ 55.362885][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 55.362886][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 55.362888][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 55.362890][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 55.362891][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 55.362892][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 55.362894][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 55.362896][ T12] ? kthread (kernel/kthread.c:436) [ 55.362898][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 55.362901][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 55.362904][ T12] _printk (kernel/printk/printk.c:2504) [ 55.362907][ T12] ? snapshot_read.cold (user.c:?) [ 55.362909][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 55.362912][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 55.362914][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 55.362917][ T12] ? netdev_notice (net/core/dev.c:13194) [ 55.362919][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.362920][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 55.362921][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 55.362924][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 55.362925][ T12] ? 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) [ 55.362927][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 55.362929][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 55.362931][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 55.362935][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 55.362937][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 55.362940][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 55.362942][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 55.362943][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 55.362946][ T12] cleanup_net (net/core/net_namespace.c:706) [ 55.362948][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 55.362950][ T12] ? update_load_avg (kernel/sched/fair.c:5864) [ 55.362952][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.362954][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.362955][ T12] process_one_work (kernel/workqueue.c:3387) [ 55.362958][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 55.362960][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 55.362962][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 55.362965][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 55.362968][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 55.362969][ T12] kthread (kernel/kthread.c:436) [ 55.362971][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 55.362973][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 55.362974][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 55.362976][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 55.362978][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 55.362981][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 55.362982][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 56.362409][ T1354] softirqs last disabled at (0): 0x0 | [ 56.362411][ T1354] Preemption disabled at: | [ 56.362411][ T1354] vprintk_emit (kernel/printk/printk.c:2471) | [ 56.362421][ T1354] Tainted: [W]=WARN [ 56.362422][ T1354] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 56.362424][ T1354] Call Trace: [ 56.362426][ T1354] [ 56.362427][ T1354] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 56.362432][ T1354] ? vprintk_emit (kernel/printk/printk.c:2471) [ 56.362433][ T1354] __might_resched.cold (kernel/sched/core.c:9234) [ 56.362437][ T1354] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 56.362441][ T1354] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 56.362444][ T1354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.362447][ T1354] __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)) [ 56.362449][ T1354] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 56.362452][ T1354] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 56.362457][ T1354] ? 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) [ 56.362459][ T1354] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 56.362461][ T1354] put_chars (drivers/char/virtio_console.c:1176) [ 56.362463][ T1354] ? __send_to_port (drivers/char/virtio_console.c:654) [ 56.362465][ T1354] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 56.362467][ T1354] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 56.362472][ T1354] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 56.362474][ T1354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.362475][ T1354] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.362477][ T1354] console_emit_next_record (kernel/printk/printk.c:3183) [ 56.362480][ T1354] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 56.362482][ T1354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.362483][ T1354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.362484][ T1354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.362485][ T1354] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.362487][ T1354] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 56.362488][ T1354] console_flush_one_record (kernel/printk/printk.c:3268) [ 56.362491][ T1354] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 56.362494][ T1354] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 56.362495][ T1354] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.362497][ T1354] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 56.362499][ T1354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.362500][ T1354] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 56.362501][ T1354] ? 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) [ 56.362503][ T1354] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 56.362504][ T1354] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 56.362506][ T1354] ? vprintk_emit (kernel/printk/printk.c:2478) [ 56.362507][ T1354] vprintk_emit (kernel/printk/printk.c:2479) [ 56.362509][ T1354] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 56.362510][ T1354] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 56.362512][ T1354] ? __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) [ 56.362515][ T1354] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 56.362516][ T1354] _printk (kernel/printk/printk.c:2504) [ 56.362519][ T1354] ? snapshot_read.cold (user.c:?) [ 56.362521][ T1354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.362522][ T1354] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 56.362523][ T1354] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 56.362525][ T1354] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 56.362529][ T1354] br_init_port (net/bridge/br_stp_if.c:39) [ 56.362531][ T1354] new_nbp (net/bridge/br_if.c:449) [ 56.362533][ T1354] br_add_if (net/bridge/br_if.c:592) [ 56.362535][ T1354] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 56.362536][ T1354] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 56.362540][ T1354] do_set_master (net/core/rtnetlink.c:3071) [ 56.362543][ T1354] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 56.362545][ T1354] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 56.362548][ T1354] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 56.362549][ T1354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.362550][ T1354] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 56.362553][ T1354] ? kasan_save_stack (mm/kasan/common.c:58) [ 56.362555][ T1354] ? kasan_save_stack (mm/kasan/common.c:57) [ 56.362556][ T1354] ? kasan_save_track (mm/kasan/common.c:78) [ 56.362557][ T1354] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 56.362558][ T1354] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 56.362559][ T1354] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 56.362560][ T1354] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 56.362561][ T1354] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 56.362568][ T1354] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 56.362569][ T1354] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 56.362571][ T1354] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 56.362573][ T1354] ? ____sys_sendmsg (net/socket.c:2713) [ 56.362575][ T1354] ? ___sys_sendmsg (net/socket.c:2767) [ 56.362576][ T1354] ? __sys_sendmsg (net/socket.c:2799) [ 56.362578][ T1354] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 56.362581][ T1354] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 56.362583][ T1354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.362584][ T1354] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.362586][ T1354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.362587][ T1354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.362588][ T1354] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 56.362589][ T1354] ? __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) [ 56.362590][ T1354] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 56.362591][ T1354] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 56.362592][ T1354] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 56.362593][ T1354] ? nla_get_range_signed (lib/nlattr.c:270) [ 56.362596][ T1354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.362598][ T1354] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 56.362600][ T1354] rtnl_newlink (net/core/rtnetlink.c:4215) [ 56.362601][ T1354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.362603][ T1354] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 56.362604][ T1354] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.362605][ T1354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.362607][ T1354] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 56.362608][ T1354] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 56.362609][ T1354] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 56.362611][ T1354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.362612][ T1354] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 56.362615][ T1354] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 56.362618][ T1354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.362619][ T1354] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.362620][ T1354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.362621][ T1354] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 56.362623][ T1354] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 56.362624][ T1354] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 56.362625][ T1354] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 56.362627][ T1354] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 56.362629][ T1354] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 56.362631][ T1354] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 56.362632][ T1354] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 56.362634][ T1354] ? netlink_ack (./include/linux/skbuff.h:2718) [ 56.362635][ T1354] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 56.362638][ T1354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.362639][ T1354] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 56.362641][ T1354] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 56.362643][ T1354] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 56.362645][ T1354] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 56.362647][ T1354] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 56.362649][ T1354] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 56.362650][ T1354] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 56.362652][ T1354] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.362653][ T1354] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 56.362657][ T1354] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 56.362658][ T1354] ____sys_sendmsg (net/socket.c:2713) [ 56.362660][ T1354] ? copy_msghdr_from_user (net/socket.c:2650) [ 56.362662][ T1354] ? sock_write_iter (net/socket.c:1269) [ 56.362663][ T1354] ? move_addr_to_kernel (net/socket.c:258) [ 56.362664][ T1354] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 56.362667][ T1354] ___sys_sendmsg (net/socket.c:2767) [ 56.362669][ T1354] ? copy_msghdr_from_user (net/socket.c:2619) [ 56.362673][ T1354] __sys_sendmsg (net/socket.c:2799) [ 56.362675][ T1354] ? __sys_sendmsg_sock (net/socket.c:2780) [ 56.362678][ T1354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.362679][ T1354] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 56.362681][ T1354] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 56.362683][ T1354] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 56.362684][ T1354] RIP: 0033:0x7f36bcd6254e [ 56.362686][ T1354] 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 [ 56.362688][ T1354] RSP: 002b:00007ffd7b887b80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 56.362691][ T1354] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f36bcd6254e [ 56.362693][ T1354] RDX: 0000000000000000 RSI: 00007ffd7b887c30 RDI: 0000000000000005 [ 56.362693][ T1354] RBP: 00007ffd7b887b90 R08: 0000000000000000 R09: 0000000000000000 [ 56.362694][ T1354] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911786 [ 56.362695][ T1354] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7b888300 | [ 61.958141][ T58] softirqs last disabled at (15307): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 61.958144][ T58] Preemption disabled at: | [ 61.958144][ T58] 0x0 | [ 61.958154][ T58] Tainted: [W]=WARN [ 61.958155][ T58] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 61.958157][ T58] Workqueue: events_unbound linkwatch_event [ 61.958163][ T58] Call Trace: [ 61.958165][ T58] [ 61.958166][ T58] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 61.958172][ T58] __might_resched.cold (kernel/sched/core.c:9234) [ 61.958175][ T58] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 61.958179][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.958182][ T58] __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)) [ 61.958184][ T58] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 61.958187][ T58] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 61.958192][ T58] ? 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) [ 61.958193][ T58] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 61.958199][ T58] put_chars (drivers/char/virtio_console.c:1176) [ 61.958200][ T58] ? __send_to_port (drivers/char/virtio_console.c:654) [ 61.958202][ T58] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 61.958205][ T58] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 61.958208][ T58] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 61.958213][ T58] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 61.958215][ T58] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 61.958217][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.958218][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.958219][ T58] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.958222][ T58] console_emit_next_record (kernel/printk/printk.c:3183) [ 61.958225][ T58] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 61.958227][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.958228][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.958229][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.958230][ T58] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.958232][ T58] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 61.958233][ T58] console_flush_one_record (kernel/printk/printk.c:3268) [ 61.958236][ T58] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 61.958239][ T58] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 61.958240][ T58] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.958242][ T58] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 61.958244][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.958245][ T58] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 61.958246][ T58] ? 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) [ 61.958248][ T58] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 61.958249][ T58] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 61.958251][ T58] ? vprintk_emit (kernel/printk/printk.c:2478) [ 61.958253][ T58] vprintk_emit (kernel/printk/printk.c:2479) [ 61.958255][ T58] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 61.958256][ T58] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.958257][ T58] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 61.958260][ T58] _printk (kernel/printk/printk.c:2504) [ 61.958263][ T58] ? snapshot_read.cold (user.c:?) [ 61.958265][ T58] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.958267][ T58] ? fib6_del (net/ipv6/ip6_fib.c:2069) [ 61.958270][ T58] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 61.958274][ T58] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 61.958276][ T58] br_port_carrier_check (net/bridge/br_if.c:95) [ 61.958278][ T58] br_device_event (net/bridge/br.c:101) [ 61.958281][ T58] ? packet_sendmsg_spkt (af_packet.c:?) [ 61.958283][ T58] ? addrconf_notify (net/ipv6/addrconf.c:3749) [ 61.958285][ T58] notifier_call_chain (kernel/notifier.c:85) [ 61.958289][ T58] netif_state_change (net/core/dev.c:1625) [ 61.958292][ T58] ? dev_deactivate (net/sched/sch_generic.c:1429) [ 61.958295][ T58] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 61.958297][ T58] ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76) [ 61.958298][ T58] ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166) [ 61.958299][ T58] __linkwatch_run_queue (net/core/link_watch.c:240) [ 61.958301][ T58] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 61.958303][ T58] ? debug_object_active_state (lib/debugobjects.c:1122) [ 61.958306][ T58] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 61.958307][ T58] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 61.958309][ T58] process_one_work (kernel/workqueue.c:3387) [ 61.958313][ T58] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 61.958315][ T58] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 61.958317][ T58] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 61.958319][ T58] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 61.958322][ T58] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 61.958324][ T58] kthread (kernel/kthread.c:436) [ 61.958326][ T58] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 61.958327][ T58] ? kthread_affine_preferred (kernel/kthread.c:857) [ 61.958329][ T58] ret_from_fork (arch/x86/kernel/process.c:158) [ 61.958332][ T58] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 61.958334][ T58] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 61.958337][ T58] ? kthread_affine_preferred (kernel/kthread.c:857) [ 61.958339][ T58] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 92.040958][ T12] softirqs last disabled at (13716): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 92.040960][ T12] Preemption disabled at: | [ 92.040960][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 92.040971][ T12] Tainted: [W]=WARN [ 92.040972][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 92.040973][ T12] Workqueue: netns cleanup_net [ 92.040978][ T12] Call Trace: [ 92.040980][ T12] [ 92.040981][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 92.040987][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 92.040988][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 92.040991][ T12] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 92.040993][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 92.040997][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.040999][ T12] __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)) [ 92.041002][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 92.041005][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 92.041009][ T12] ? 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) [ 92.041011][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 92.041013][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 92.041015][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 92.041016][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 92.041019][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 92.041023][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 92.041025][ T12] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 92.041028][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 92.041029][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.041030][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.041032][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 92.041034][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 92.041036][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.041037][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.041038][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.041039][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.041041][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 92.041043][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 92.041045][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 92.041048][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 92.041050][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.041051][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 92.041053][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.041054][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 92.041055][ T12] ? 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) [ 92.041057][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 92.041058][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 92.041060][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 92.041061][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 92.041063][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 92.041064][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 92.041066][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 92.041068][ T12] ? kthread (kernel/kthread.c:436) [ 92.041070][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 92.041073][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 92.041076][ T12] _printk (kernel/printk/printk.c:2504) [ 92.041078][ T12] ? snapshot_read.cold (user.c:?) [ 92.041081][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 92.041084][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 92.041086][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 92.041088][ T12] ? netdev_notice (net/core/dev.c:13194) [ 92.041090][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.041091][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 92.041092][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 92.041095][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 92.041096][ T12] ? 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) [ 92.041098][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 92.041100][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 92.041102][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 92.041106][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 92.041108][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 92.041110][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 92.041112][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 92.041114][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 92.041117][ T12] cleanup_net (net/core/net_namespace.c:706) [ 92.041118][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 92.041120][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.041122][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.041123][ T12] process_one_work (kernel/workqueue.c:3387) [ 92.041126][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 92.041128][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 92.041130][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 92.041133][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 92.041135][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 92.041137][ T12] kthread (kernel/kthread.c:436) [ 92.041139][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 92.041140][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 92.041142][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 92.041144][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 92.041146][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 92.041148][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: inet6_fill_ifla6_attrs:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __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 mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_trylock_spinning