====================================== | [ 11.995083][ T270] softirqs last disabled at (18694): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 11.995085][ T270] Preemption disabled at: | [ 11.995086][ T270] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.995095][ T270] Tainted: [W]=WARN [ 11.995096][ T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.995097][ T270] Call Trace: [ 11.995099][ T270] [ 11.995100][ T270] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.995107][ T270] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.995108][ T270] __might_resched.cold (kernel/sched/core.c:9234) [ 11.995113][ T270] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.995117][ T270] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.995122][ T270] __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)) [ 11.995124][ T270] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.995130][ T270] ? 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) [ 11.995133][ T270] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.995137][ T270] put_chars (drivers/char/virtio_console.c:1176) [ 11.995140][ T270] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.995142][ T270] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.995148][ T270] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.995158][ T270] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.995161][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.995164][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.995168][ T270] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.995171][ T270] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.995173][ T270] ? 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)) [ 11.995177][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.995178][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.995182][ T270] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.995187][ T270] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.995188][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.995194][ T270] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.995197][ T270] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.995199][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.995200][ T270] ? 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) [ 11.995204][ T270] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.995206][ T270] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.995209][ T270] vprintk_emit (kernel/printk/printk.c:2479) [ 11.995212][ T270] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.995213][ T270] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.995215][ T270] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 11.995219][ T270] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.995223][ T270] _printk (kernel/printk/printk.c:2504) [ 11.995226][ T270] ? snapshot_read.cold (user.c:?) [ 11.995230][ T270] ? br_multicast_flood (??:?) [ 11.995233][ T270] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.995234][ T270] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.995236][ T270] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.995240][ T270] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 11.995244][ T270] br_init_port (net/bridge/br_stp_if.c:39) [ 11.995246][ T270] new_nbp (net/bridge/br_if.c:449) [ 11.995250][ T270] br_add_if (net/bridge/br_if.c:592) [ 11.995252][ T270] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 11.995256][ T270] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 11.995262][ T270] do_set_master (net/core/rtnetlink.c:3071) [ 11.995268][ T270] ? netif_change_flags (net/core/dev.c:9882) [ 11.995271][ T270] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.995275][ T270] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.995278][ T270] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.995280][ T270] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.995283][ T270] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.995286][ T270] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.995288][ T270] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.995290][ T270] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.995293][ T270] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.995295][ T270] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.995296][ T270] ? kasan_save_track (mm/kasan/common.c:78) [ 11.995298][ T270] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 11.995300][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.995302][ T270] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 11.995305][ T270] ? ___sys_sendmsg (net/socket.c:2758) [ 11.995309][ T270] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.995311][ T270] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.995314][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.995315][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.995317][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.995318][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.995320][ T270] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.995322][ T270] ? __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) [ 11.995324][ T270] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.995326][ T270] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.995329][ T270] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.995330][ T270] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.995335][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.995337][ T270] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.995343][ T270] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.995348][ T270] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.995350][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.995355][ T270] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.995357][ T270] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.995359][ T270] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.995361][ T270] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.995365][ T270] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.995367][ T270] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.995370][ T270] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.995371][ T270] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.995376][ T270] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.995378][ T270] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.995381][ T270] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.995385][ T270] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.995387][ T270] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.995394][ T270] ? 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)) [ 11.995396][ T270] ? 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)) [ 11.995401][ T270] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.995405][ T270] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.995407][ T270] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.995412][ T270] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.995416][ T270] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.995420][ T270] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.995421][ T270] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 11.995427][ T270] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 11.995430][ T270] ____sys_sendmsg (net/socket.c:2713) [ 11.995432][ T270] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.995434][ T270] ? sock_write_iter (net/socket.c:1269) [ 11.995436][ T270] ? move_addr_to_kernel (net/socket.c:258) [ 11.995443][ T270] ___sys_sendmsg (net/socket.c:2767) [ 11.995446][ T270] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.995462][ T270] __sys_sendmsg (net/socket.c:2799) [ 11.995465][ T270] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.995472][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.995475][ T270] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.995478][ T270] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.995481][ T270] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.995483][ T270] RIP: 0033:0x7f54abee154e [ 11.995487][ T270] 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 [ 11.995489][ T270] RSP: 002b:00007ffc4c2f2ff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.995492][ T270] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f54abee154e [ 11.995493][ T270] RDX: 0000000000000000 RSI: 00007ffc4c2f30a0 RDI: 0000000000000005 [ 11.995494][ T270] RBP: 00007ffc4c2f3000 R08: 0000000000000000 R09: 0000000000000000 [ 11.995495][ T270] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913fd6 [ 11.995496][ T270] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4c2f3770 | [ 18.329025][ T310] softirqs last disabled at (15569): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 18.329028][ T310] Preemption disabled at: | [ 18.329028][ T310] vprintk_emit (kernel/printk/printk.c:2471) | [ 18.329037][ T310] Tainted: [W]=WARN [ 18.329038][ T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.329040][ T310] Call Trace: [ 18.329042][ T310] [ 18.329043][ T310] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.329048][ T310] ? vprintk_emit (kernel/printk/printk.c:2471) [ 18.329050][ T310] __might_resched.cold (kernel/sched/core.c:9234) [ 18.329055][ T310] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.329059][ T310] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.329063][ T310] __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)) [ 18.329065][ T310] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.329072][ T310] ? 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) [ 18.329075][ T310] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.329078][ T310] put_chars (drivers/char/virtio_console.c:1176) [ 18.329080][ T310] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 18.329082][ T310] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.329085][ T310] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.329088][ T310] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.329093][ T310] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.329097][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.329099][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.329104][ T310] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.329106][ T310] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 18.329109][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.329111][ T310] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.329115][ T310] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.329119][ T310] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.329121][ T310] ? 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)) [ 18.329125][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.329126][ T310] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.329130][ T310] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.329135][ T310] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.329137][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.329142][ T310] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.329145][ T310] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.329147][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.329149][ T310] ? 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) [ 18.329152][ T310] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.329156][ T310] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.329159][ T310] vprintk_emit (kernel/printk/printk.c:2479) [ 18.329163][ T310] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.329168][ T310] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 18.329171][ T310] _printk (kernel/printk/printk.c:2504) [ 18.329174][ T310] ? snapshot_read.cold (user.c:?) [ 18.329181][ T310] ? 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) [ 18.329184][ T310] gact_init_module (net/sched/act_gact.c:180) act_gact [ 18.329186][ T310] do_one_initcall (init/main.c:1357) [ 18.329189][ T310] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 18.329194][ T310] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 18.329196][ T310] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 18.329202][ T310] do_init_module (kernel/module/main.c:3117) [ 18.329205][ T310] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 18.329209][ T310] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 18.329212][ T310] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 18.329216][ T310] load_module (kernel/module/main.c:3593) [ 18.329221][ T310] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 18.329226][ T310] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 18.329229][ T310] ? __ia32_sys_fsconfig (??:?) [ 18.329233][ T310] ? backing_file_read_iter (fs/backing-file.c:211) [ 18.329237][ T310] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.329240][ T310] init_module_from_file (kernel/module/main.c:3790) [ 18.329243][ T310] ? __do_sys_init_module (kernel/module/main.c:3664) [ 18.329250][ T310] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.329254][ T310] ? 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) [ 18.329257][ T310] idempotent_init_module (kernel/module/main.c:3802) [ 18.329260][ T310] ? init_module_from_file (kernel/module/main.c:3791) [ 18.329266][ T310] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 18.329268][ T310] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 18.329274][ T310] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 18.329275][ T310] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.329279][ T310] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 18.329282][ T310] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 18.329285][ T310] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 18.329287][ T310] RIP: 0033:0x7fe0104c237d [ 18.329290][ T310] 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 [ 18.329297][ T310] RSP: 002b:00007fffec322f08 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 18.329300][ T310] RAX: ffffffffffffffda RBX: 0000557385c32810 RCX: 00007fe0104c237d [ 18.329301][ T310] RDX: 0000000000000000 RSI: 000055736f13affd RDI: 0000000000000000 [ 18.329302][ T310] RBP: 00007fffec322fa0 R08: 0000000000000000 R09: 0000000000000000 [ 18.329303][ T310] R10: 0000000000000000 R11: 0000000000000246 R12: 000055736f13affd [ 18.329304][ T310] R13: 0000557385c32960 R14: 0000000000040000 R15: 0000000000000000 | [ 24.371479][ T71] softirqs last disabled at (33620): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 24.371481][ T71] Preemption disabled at: | [ 24.371482][ T71] 0x0 | [ 24.371492][ T71] Tainted: [W]=WARN [ 24.371493][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.371495][ T71] Workqueue: netns cleanup_net [ 24.371498][ T71] Call Trace: [ 24.371500][ T71] [ 24.371502][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.371508][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 24.371513][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.371517][ T71] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 24.371522][ T71] __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)) [ 24.371524][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.371530][ T71] ? 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) [ 24.371533][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.371537][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 24.371539][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.371546][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.371554][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.371558][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.371562][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.371567][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.371569][ T71] ? 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)) [ 24.371572][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.371575][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.371579][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.371584][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.371586][ T71] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.371591][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.371594][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.371596][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.371598][ T71] ? 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) [ 24.371602][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.371604][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.371607][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 24.371610][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.371612][ T71] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 24.371618][ T71] _printk (kernel/printk/printk.c:2504) [ 24.371621][ T71] ? snapshot_read.cold (user.c:?) [ 24.371629][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 24.371635][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 24.371638][ T71] br_device_event (net/bridge/br.c:111) [ 24.371640][ T71] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 24.371645][ T71] ? packet_sendmsg_spkt (af_packet.c:?) [ 24.371651][ T71] notifier_call_chain (kernel/notifier.c:85) [ 24.371657][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 24.371660][ T71] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 24.371664][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 24.371667][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 24.371672][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 24.371674][ T71] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 24.371676][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 24.371678][ T71] ? kthread (kernel/kthread.c:436) [ 24.371680][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 24.371683][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 24.371686][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 24.371690][ T71] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 24.371696][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 24.371699][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 24.371702][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.371705][ T71] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 24.371710][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 24.371713][ T71] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 24.371716][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 24.371718][ T71] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.371721][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 24.371726][ T71] cleanup_net (net/core/net_namespace.c:706) [ 24.371730][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 24.371734][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.371736][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.371739][ T71] process_one_work (kernel/workqueue.c:3387) [ 24.371746][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 24.371749][ T71] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.371758][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 24.371762][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 24.371764][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 24.371767][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 24.371770][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 24.371772][ T71] kthread (kernel/kthread.c:436) [ 24.371774][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 24.371778][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 24.371781][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 24.371783][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 24.371787][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 24.371790][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 24.371793][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 27.490039][ T557] softirqs last disabled at (22224): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 27.490041][ T557] Preemption disabled at: | [ 27.490042][ T557] vprintk_emit (kernel/printk/printk.c:2471) | [ 27.490051][ T557] Tainted: [W]=WARN [ 27.490052][ T557] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.490054][ T557] Call Trace: [ 27.490056][ T557] [ 27.490057][ T557] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 27.490063][ T557] ? vprintk_emit (kernel/printk/printk.c:2471) [ 27.490065][ T557] __might_resched.cold (kernel/sched/core.c:9234) [ 27.490070][ T557] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.490074][ T557] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 27.490079][ T557] __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)) [ 27.490081][ T557] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.490087][ T557] ? 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) [ 27.490090][ T557] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.490094][ T557] put_chars (drivers/char/virtio_console.c:1176) [ 27.490097][ T557] ? __send_to_port (drivers/char/virtio_console.c:654) [ 27.490098][ T557] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 27.490102][ T557] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 27.490107][ T557] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 27.490115][ T557] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 27.490118][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.490120][ T557] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.490124][ T557] console_emit_next_record (kernel/printk/printk.c:3183) [ 27.490129][ T557] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 27.490131][ T557] ? 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)) [ 27.490134][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.490136][ T557] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.490140][ T557] console_flush_one_record (kernel/printk/printk.c:3268) [ 27.490144][ T557] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 27.490146][ T557] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.490152][ T557] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 27.490157][ T557] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 27.490159][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.490161][ T557] ? 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) [ 27.490165][ T557] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 27.490167][ T557] ? vprintk_emit (kernel/printk/printk.c:2478) [ 27.490170][ T557] vprintk_emit (kernel/printk/printk.c:2479) [ 27.490173][ T557] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 27.490175][ T557] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.490178][ T557] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 27.490181][ T557] _printk (kernel/printk/printk.c:2504) [ 27.490185][ T557] ? snapshot_read.cold (user.c:?) [ 27.490189][ T557] ? br_multicast_flood (??:?) [ 27.490192][ T557] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 27.490193][ T557] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 27.490194][ T557] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 27.490199][ T557] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 27.490203][ T557] br_init_port (net/bridge/br_stp_if.c:39) [ 27.490206][ T557] new_nbp (net/bridge/br_if.c:449) [ 27.490210][ T557] br_add_if (net/bridge/br_if.c:592) [ 27.490212][ T557] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 27.490216][ T557] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 27.490222][ T557] do_set_master (net/core/rtnetlink.c:3071) [ 27.490223][ T557] ? netif_change_flags (net/core/dev.c:9882) [ 27.490227][ T557] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 27.490230][ T557] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 27.490234][ T557] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 27.490235][ T557] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 27.490238][ T557] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 27.490242][ T557] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 27.490244][ T557] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 27.490245][ T557] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 27.490248][ T557] ? kasan_save_stack (mm/kasan/common.c:58) [ 27.490250][ T557] ? kasan_save_stack (mm/kasan/common.c:57) [ 27.490252][ T557] ? kasan_save_track (mm/kasan/common.c:78) [ 27.490253][ T557] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 27.490255][ T557] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.490257][ T557] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 27.490261][ T557] ? ___sys_sendmsg (net/socket.c:2758) [ 27.490265][ T557] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 27.490267][ T557] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 27.490269][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.490271][ T557] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.490273][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.490274][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.490276][ T557] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 27.490278][ T557] ? __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) [ 27.490281][ T557] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 27.490283][ T557] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 27.490286][ T557] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 27.490287][ T557] ? nla_get_range_signed (lib/nlattr.c:270) [ 27.490292][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.490295][ T557] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 27.490300][ T557] rtnl_newlink (net/core/rtnetlink.c:4215) [ 27.490305][ T557] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 27.490307][ T557] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.490312][ T557] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 27.490314][ T557] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 27.490316][ T557] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 27.490318][ T557] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.490322][ T557] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 27.490324][ T557] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 27.490327][ T557] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 27.490328][ T557] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.490337][ T557] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 27.490340][ T557] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 27.490343][ T557] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 27.490347][ T557] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 27.490350][ T557] ? netlink_ack (./include/linux/skbuff.h:2718) [ 27.490356][ T557] ? 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)) [ 27.490358][ T557] ? 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)) [ 27.490363][ T557] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 27.490367][ T557] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 27.490370][ T557] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 27.490374][ T557] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 27.490378][ T557] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 27.490382][ T557] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.490384][ T557] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 27.490389][ T557] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 27.490392][ T557] ____sys_sendmsg (net/socket.c:2713) [ 27.490394][ T557] ? copy_msghdr_from_user (net/socket.c:2650) [ 27.490397][ T557] ? sock_write_iter (net/socket.c:1269) [ 27.490398][ T557] ? move_addr_to_kernel (net/socket.c:258) [ 27.490406][ T557] ___sys_sendmsg (net/socket.c:2767) [ 27.490409][ T557] ? copy_msghdr_from_user (net/socket.c:2619) [ 27.490425][ T557] __sys_sendmsg (net/socket.c:2799) [ 27.490428][ T557] ? __sys_sendmsg_sock (net/socket.c:2780) [ 27.490434][ T557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.490438][ T557] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 27.490440][ T557] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 27.490443][ T557] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 27.490446][ T557] RIP: 0033:0x7f8e2e73954e [ 27.490450][ T557] 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 [ 27.490452][ T557] RSP: 002b:00007fffb4582510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 27.490454][ T557] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8e2e73954e [ 27.490456][ T557] RDX: 0000000000000000 RSI: 00007fffb45825c0 RDI: 0000000000000005 [ 27.490457][ T557] RBP: 00007fffb4582520 R08: 0000000000000000 R09: 0000000000000000 [ 27.490458][ T557] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913fe5 [ 27.490459][ T557] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb4582c90 | [ 35.131463][ T71] softirqs last disabled at (273308): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 35.131465][ T71] Preemption disabled at: | [ 35.131466][ T71] 0x0 | [ 35.131476][ T71] Tainted: [W]=WARN [ 35.131477][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.131479][ T71] Workqueue: netns cleanup_net [ 35.131482][ T71] Call Trace: [ 35.131484][ T71] [ 35.131486][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.131493][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 35.131498][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.131502][ T71] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 35.131506][ T71] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 35.131508][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.131515][ T71] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 35.131518][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.131522][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 35.131525][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.131532][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.131540][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.131543][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.131548][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.131553][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.131555][ T71] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 35.131558][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.131561][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.131565][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.131570][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.131572][ T71] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.131578][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.131581][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.131583][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.131585][ T71] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 35.131589][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.131591][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.131594][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 35.131598][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.131599][ T71] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 35.131601][ T71] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.131604][ T71] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.131608][ T71] _printk (kernel/printk/printk.c:2504) [ 35.131612][ T71] ? snapshot_read.cold (user.c:?) [ 35.131621][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 35.131626][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 35.131629][ T71] br_device_event (net/bridge/br.c:111) [ 35.131632][ T71] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 35.131635][ T71] ? packet_sendmsg_spkt (af_packet.c:?) [ 35.131642][ T71] notifier_call_chain (kernel/notifier.c:85) [ 35.131648][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 35.131651][ T71] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 35.131655][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 35.131658][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 35.131662][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 35.131665][ T71] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 35.131667][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 35.131669][ T71] ? kthread (kernel/kthread.c:436) [ 35.131672][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 35.131674][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 35.131677][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 35.131681][ T71] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 35.131687][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 35.131691][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 35.131693][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.131696][ T71] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 35.131700][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 35.131704][ T71] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 35.131707][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 35.131709][ T71] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.131712][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 35.131717][ T71] cleanup_net (net/core/net_namespace.c:706) [ 35.131720][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 35.131724][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.131726][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.131730][ T71] process_one_work (kernel/workqueue.c:3387) [ 35.131737][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 35.131740][ T71] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.131748][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 35.131753][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 35.131755][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 35.131758][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 35.131761][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 35.131763][ T71] kthread (kernel/kthread.c:436) [ 35.131765][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 35.131768][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 35.131771][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 35.131774][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 35.131778][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 35.131782][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 35.131784][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 38.171552][ T757] softirqs last disabled at (16460): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 38.171554][ T757] Preemption disabled at: | [ 38.171554][ T757] vprintk_emit (kernel/printk/printk.c:2471) | [ 38.171563][ T757] Tainted: [W]=WARN [ 38.171564][ T757] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.171566][ T757] Call Trace: [ 38.171567][ T757] [ 38.171569][ T757] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.171575][ T757] ? vprintk_emit (kernel/printk/printk.c:2471) [ 38.171577][ T757] __might_resched.cold (kernel/sched/core.c:9234) [ 38.171581][ T757] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.171586][ T757] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 38.171590][ T757] __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)) [ 38.171592][ T757] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.171599][ T757] ? 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) [ 38.171602][ T757] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.171606][ T757] put_chars (drivers/char/virtio_console.c:1176) [ 38.171608][ T757] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.171609][ T757] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.171613][ T757] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 38.171618][ T757] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.171626][ T757] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.171629][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.171631][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.171635][ T757] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.171639][ T757] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.171641][ T757] ? 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)) [ 38.171644][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.171646][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.171650][ T757] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.171655][ T757] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.171656][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.171662][ T757] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.171665][ T757] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.171667][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.171668][ T757] ? 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) [ 38.171672][ T757] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.171674][ T757] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.171677][ T757] vprintk_emit (kernel/printk/printk.c:2479) [ 38.171680][ T757] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.171682][ T757] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.171685][ T757] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 38.171688][ T757] _printk (kernel/printk/printk.c:2504) [ 38.171692][ T757] ? snapshot_read.cold (user.c:?) [ 38.171696][ T757] ? br_multicast_flood (??:?) [ 38.171699][ T757] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 38.171700][ T757] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 38.171702][ T757] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 38.171706][ T757] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 38.171710][ T757] br_init_port (net/bridge/br_stp_if.c:39) [ 38.171713][ T757] new_nbp (net/bridge/br_if.c:449) [ 38.171716][ T757] br_add_if (net/bridge/br_if.c:592) [ 38.171719][ T757] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 38.171725][ T757] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 38.171731][ T757] do_set_master (net/core/rtnetlink.c:3071) [ 38.171732][ T757] ? netif_change_flags (net/core/dev.c:9882) [ 38.171736][ T757] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 38.171740][ T757] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 38.171743][ T757] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 38.171744][ T757] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 38.171747][ T757] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 38.171751][ T757] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.171753][ T757] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.171754][ T757] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 38.171757][ T757] ? kasan_save_stack (mm/kasan/common.c:58) [ 38.171759][ T757] ? kasan_save_stack (mm/kasan/common.c:57) [ 38.171761][ T757] ? kasan_save_track (mm/kasan/common.c:78) [ 38.171762][ T757] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 38.171764][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.171766][ T757] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 38.171769][ T757] ? ___sys_sendmsg (net/socket.c:2758) [ 38.171773][ T757] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.171775][ T757] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 38.171778][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.171780][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.171781][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.171783][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.171784][ T757] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 38.171786][ T757] ? __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) [ 38.171789][ T757] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 38.171791][ T757] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 38.171795][ T757] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 38.171796][ T757] ? nla_get_range_signed (lib/nlattr.c:270) [ 38.171801][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.171804][ T757] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 38.171809][ T757] rtnl_newlink (net/core/rtnetlink.c:4215) [ 38.171814][ T757] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 38.171816][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.171821][ T757] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.171823][ T757] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.171825][ T757] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 38.171827][ T757] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.171831][ T757] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 38.171833][ T757] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 38.171836][ T757] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 38.171837][ T757] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.171842][ T757] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.171844][ T757] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.171847][ T757] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 38.171851][ T757] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 38.171854][ T757] ? netlink_ack (./include/linux/skbuff.h:2718) [ 38.171860][ T757] ? 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)) [ 38.171862][ T757] ? 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)) [ 38.171867][ T757] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 38.171871][ T757] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 38.171874][ T757] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.171878][ T757] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 38.171882][ T757] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 38.171886][ T757] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.171888][ T757] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 38.171893][ T757] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 38.171896][ T757] ____sys_sendmsg (net/socket.c:2713) [ 38.171898][ T757] ? copy_msghdr_from_user (net/socket.c:2650) [ 38.171900][ T757] ? sock_write_iter (net/socket.c:1269) [ 38.171902][ T757] ? move_addr_to_kernel (net/socket.c:258) [ 38.171910][ T757] ___sys_sendmsg (net/socket.c:2767) [ 38.171912][ T757] ? copy_msghdr_from_user (net/socket.c:2619) [ 38.171929][ T757] __sys_sendmsg (net/socket.c:2799) [ 38.171931][ T757] ? __sys_sendmsg_sock (net/socket.c:2780) [ 38.171938][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.171941][ T757] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 38.171944][ T757] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 38.171947][ T757] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.171949][ T757] RIP: 0033:0x7f76399e654e [ 38.171953][ T757] 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 [ 38.171955][ T757] RSP: 002b:00007ffc7f89f420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 38.171958][ T757] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f76399e654e [ 38.171959][ T757] RDX: 0000000000000000 RSI: 00007ffc7f89f4d0 RDI: 0000000000000005 [ 38.171960][ T757] RBP: 00007ffc7f89f430 R08: 0000000000000000 R09: 0000000000000000 [ 38.171961][ T757] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913ff0 [ 38.171962][ T757] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7f89fba0 | [ 53.729254][ C1] softirqs last disabled at (1553639): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 53.729256][ C1] Preemption disabled at: | [ 53.729256][ C1] 0x0 | [ 53.729267][ C1] Tainted: [W]=WARN [ 53.729268][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 53.729270][ C1] Call Trace: [ 53.729271][ C1] [ 53.729274][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 53.729280][ C1] __might_resched.cold (kernel/sched/core.c:9234) [ 53.729283][ C1] ? __resched_curr (./include/linux/lockdep.h:249 kernel/sched/sched.h:1666 kernel/sched/core.c:1201) [ 53.729285][ C1] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 53.729288][ C1] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 53.729291][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.729294][ C1] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 53.729297][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 53.729299][ C1] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 53.729304][ C1] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 53.729305][ C1] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 53.729308][ C1] put_chars (drivers/char/virtio_console.c:1176) [ 53.729310][ C1] ? __send_to_port (drivers/char/virtio_console.c:654) [ 53.729311][ C1] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 53.729314][ C1] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 53.729319][ C1] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 53.729321][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.729322][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.729325][ C1] console_emit_next_record (kernel/printk/printk.c:3183) [ 53.729328][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 53.729330][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.729331][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.729332][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.729334][ C1] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 53.729336][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 53.729338][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 53.729341][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 53.729343][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.729344][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 53.729346][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.729347][ C1] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 53.729348][ C1] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 53.729351][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 53.729353][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 53.729354][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 53.729356][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 53.729357][ C1] ? common_startup_64 (arch/x86/kernel/head_64.S:418) [ 53.729361][ C1] _printk (kernel/printk/printk.c:2504) [ 53.729364][ C1] ? snapshot_read.cold (user.c:?) [ 53.729365][ C1] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 53.729368][ C1] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 53.729370][ C1] ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723) [ 53.729372][ C1] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1)) [ 53.729375][ C1] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 53.729378][ C1] mark_lock (kernel/locking/lockdep.c:4769) [ 53.729380][ C1] mark_usage (kernel/locking/lockdep.c:4658) [ 53.729381][ C1] __lock_acquire (kernel/locking/lockdep.c:5208) [ 53.729384][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 53.729385][ C1] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 53.729388][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.729390][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.729391][ C1] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 53.729393][ C1] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 53.729394][ C1] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 53.729395][ C1] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 53.729397][ C1] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 53.729398][ C1] call_timer_fn (kernel/time/timer.c:1748) [ 53.729402][ C1] ? detach_if_pending (./include/linux/list.h:1159) [ 53.729404][ C1] ? debug_object_active_state (lib/debugobjects.c:1122) [ 53.729407][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 53.729408][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 53.729410][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.729412][ C1] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 53.729414][ C1] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 53.729416][ C1] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 53.729418][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.729420][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 53.729423][ C1] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 53.729425][ C1] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 53.729427][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 53.729429][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.729431][ C1] handle_softirqs (kernel/softirq.c:645) [ 53.729433][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 53.729434][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 53.729436][ C1] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 53.729438][ C1] irq_exit_rcu (kernel/softirq.c:784) [ 53.729440][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 53.729442][ C1] [ 53.729443][ C1] [ 53.729443][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 53.729445][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 53.729452][ C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 53.729454][ C1] 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 [ 53.729456][ C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000282 [ 53.729459][ C1] RAX: 000000000017b4e5 RBX: ff11000001c1a3c0 RCX: ffffffffb7306247 [ 53.729461][ C1] RDX: ff11000001c1a3c0 RSI: ffffffffba511027 RDI: ffffffffb9e949e0 [ 53.729462][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 53.729463][ C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc3 [ 53.729463][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 53.729465][ C1] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 53.729468][ C1] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 53.729470][ C1] default_idle_call (kernel/sched/idle.c:122) [ 53.729471][ C1] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 53.729473][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 53.729475][ C1] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 53.729477][ C1] ? default_idle_call (kernel/sched/idle.c:129) [ 53.729479][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.729480][ C1] do_idle (kernel/sched/idle.c:355) [ 53.729482][ C1] cpu_startup_entry (kernel/sched/idle.c:454) [ 53.729483][ C1] start_secondary (arch/x86/kernel/smpboot.c:312) [ 53.729485][ C1] ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4)) [ 53.729487][ C1] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 53.784536][ C1] | [ 53.784647][ C1] | [ 53.784647][ C1] stack backtrace: | [ 53.784817][ C1] Tainted: [W]=WARN [ 53.784818][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 53.784819][ C1] Call Trace: [ 53.784820][ C1] [ 53.784822][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 53.784827][ C1] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 53.784830][ C1] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 53.784833][ C1] mark_lock (kernel/locking/lockdep.c:4769) [ 53.784835][ C1] mark_usage (kernel/locking/lockdep.c:4658) [ 53.784837][ C1] __lock_acquire (kernel/locking/lockdep.c:5208) [ 53.784839][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 53.784841][ C1] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 53.784842][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.784845][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.784846][ C1] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 53.784848][ C1] _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1)) [ 53.784849][ C1] ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 53.784850][ C1] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) [ 53.784852][ C1] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 53.784853][ C1] call_timer_fn (kernel/time/timer.c:1748) [ 53.784855][ C1] ? detach_if_pending (./include/linux/list.h:1159) [ 53.784857][ C1] ? debug_object_active_state (lib/debugobjects.c:1122) [ 53.784860][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 53.784862][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 53.784864][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.784866][ C1] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 53.784867][ C1] ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) [ 53.784869][ C1] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 53.784871][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.784874][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 53.784877][ C1] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 53.784879][ C1] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 53.784881][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 53.784883][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.784884][ C1] handle_softirqs (kernel/softirq.c:645) [ 53.784886][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 53.784888][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 53.784890][ C1] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 53.784892][ C1] irq_exit_rcu (kernel/softirq.c:784) [ 53.784893][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 53.784895][ C1] [ 53.784895][ C1] [ 53.784896][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 53.784898][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 53.784899][ C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 53.784901][ C1] 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 [ 53.784903][ C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000282 [ 53.784904][ C1] RAX: 000000000017b4e5 RBX: ff11000001c1a3c0 RCX: ffffffffb7306247 [ 53.784905][ C1] RDX: ff11000001c1a3c0 RSI: ffffffffba511027 RDI: ffffffffb9e949e0 [ 53.784906][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 53.784907][ C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc3 [ 53.784908][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 53.784910][ C1] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 53.784912][ C1] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 53.784914][ C1] default_idle_call (kernel/sched/idle.c:122) [ 53.784915][ C1] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 53.784917][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 53.784918][ C1] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 53.784920][ C1] ? default_idle_call (kernel/sched/idle.c:129) [ 53.784922][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.784923][ C1] do_idle (kernel/sched/idle.c:355) [ 53.784924][ C1] cpu_startup_entry (kernel/sched/idle.c:454) [ 53.784926][ C1] start_secondary (arch/x86/kernel/smpboot.c:312) [ 53.784928][ C1] ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4)) [ 53.784930][ C1] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 58.076871][ T71] softirqs last disabled at (474234): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 58.076874][ T71] Preemption disabled at: | [ 58.076875][ T71] 0x0 | [ 58.076884][ T71] Tainted: [W]=WARN [ 58.076885][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 58.076887][ T71] Workqueue: netns cleanup_net [ 58.076893][ T71] Call Trace: [ 58.076894][ T71] [ 58.076896][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 58.076902][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 58.076906][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 58.076910][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.076913][ T71] __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)) [ 58.076915][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 58.076918][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 58.076923][ T71] ? 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) [ 58.076925][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 58.076927][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 58.076929][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 58.076930][ T71] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 58.076933][ T71] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 58.076936][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 58.076940][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 58.076942][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 58.076944][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.076946][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 58.076949][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 58.076951][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.076952][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.076953][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.076954][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.076956][ T71] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 58.076958][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 58.076960][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 58.076963][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 58.076965][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.076967][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 58.076969][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.076970][ T71] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 58.076971][ T71] ? 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) [ 58.076973][ T71] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 58.076974][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 58.076976][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 58.076978][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 58.076980][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 58.076981][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.076982][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 58.076985][ T71] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 58.076987][ T71] _printk (kernel/printk/printk.c:2504) [ 58.076990][ T71] ? snapshot_read.cold (user.c:?) [ 58.076992][ T71] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 58.076995][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 58.076999][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 58.077001][ T71] br_device_event (net/bridge/br.c:111) [ 58.077004][ T71] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 58.077005][ T71] ? packet_sendmsg_spkt (af_packet.c:?) [ 58.077007][ T71] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 58.077010][ T71] notifier_call_chain (kernel/notifier.c:85) [ 58.077014][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 58.077016][ T71] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 58.077019][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.077020][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 58.077022][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 58.077024][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 58.077026][ T71] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 58.077028][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 58.077031][ T71] ? kthread (kernel/kthread.c:436) [ 58.077032][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 58.077035][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 58.077037][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 58.077039][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.077040][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 58.077042][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 58.077044][ T71] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 58.077045][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.077047][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 58.077048][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 58.077050][ T71] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 58.077053][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 58.077055][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 58.077057][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 58.077060][ T71] cleanup_net (net/core/net_namespace.c:706) [ 58.077062][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 58.077063][ T71] ? update_load_avg (kernel/sched/fair.c:5864) [ 58.077066][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.077067][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.077069][ T71] process_one_work (kernel/workqueue.c:3387) [ 58.077072][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 58.077074][ T71] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 58.077076][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 58.077078][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 58.077081][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 58.077082][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 58.077084][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 58.077086][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 58.077088][ T71] kthread (kernel/kthread.c:436) [ 58.077090][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 58.077091][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 58.077093][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 58.077095][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 58.077096][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 58.077099][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 58.077101][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 59.997636][ T1034] softirqs last disabled at (0): 0x0 | [ 59.997638][ T1034] Preemption disabled at: | [ 59.997639][ T1034] vprintk_emit (kernel/printk/printk.c:2471) | [ 59.997649][ T1034] Tainted: [W]=WARN [ 59.997650][ T1034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 59.997652][ T1034] Call Trace: [ 59.997653][ T1034] [ 59.997654][ T1034] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 59.997660][ T1034] ? vprintk_emit (kernel/printk/printk.c:2471) [ 59.997661][ T1034] __might_resched.cold (kernel/sched/core.c:9234) [ 59.997665][ T1034] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 59.997669][ T1034] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 59.997672][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.997675][ T1034] __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)) [ 59.997677][ T1034] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 59.997680][ T1034] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 59.997685][ T1034] ? 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) [ 59.997687][ T1034] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 59.997690][ T1034] put_chars (drivers/char/virtio_console.c:1176) [ 59.997691][ T1034] ? __send_to_port (drivers/char/virtio_console.c:654) [ 59.997693][ T1034] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 59.997696][ T1034] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 59.997700][ T1034] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 59.997702][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.997704][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.997706][ T1034] console_emit_next_record (kernel/printk/printk.c:3183) [ 59.997709][ T1034] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 59.997711][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.997712][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.997713][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.997714][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.997716][ T1034] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 59.997718][ T1034] console_flush_one_record (kernel/printk/printk.c:3268) [ 59.997721][ T1034] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 59.997723][ T1034] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 59.997725][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.997727][ T1034] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 59.997729][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.997730][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 59.997731][ T1034] ? 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) [ 59.997733][ T1034] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 59.997734][ T1034] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 59.997736][ T1034] ? vprintk_emit (kernel/printk/printk.c:2478) [ 59.997738][ T1034] vprintk_emit (kernel/printk/printk.c:2479) [ 59.997739][ T1034] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 59.997741][ T1034] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 59.997742][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 59.997745][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.997747][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.997748][ T1034] _printk (kernel/printk/printk.c:2504) [ 59.997751][ T1034] ? snapshot_read.cold (user.c:?) [ 59.997753][ T1034] ? br_multicast_flood (??:?) [ 59.997756][ T1034] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 59.997759][ T1034] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 59.997760][ T1034] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 59.997762][ T1034] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 59.997765][ T1034] br_init_port (net/bridge/br_stp_if.c:39) [ 59.997767][ T1034] new_nbp (net/bridge/br_if.c:449) [ 59.997769][ T1034] br_add_if (net/bridge/br_if.c:592) [ 59.997771][ T1034] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 59.997774][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 59.997777][ T1034] do_set_master (net/core/rtnetlink.c:3071) [ 59.997778][ T1034] ? netif_change_flags (net/core/dev.c:9882) [ 59.997781][ T1034] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 59.997783][ T1034] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 59.997784][ T1034] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 59.997785][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.997786][ T1034] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 59.997790][ T1034] ? kasan_save_stack (mm/kasan/common.c:58) [ 59.997791][ T1034] ? kasan_save_stack (mm/kasan/common.c:57) [ 59.997792][ T1034] ? kasan_save_track (mm/kasan/common.c:78) [ 59.997794][ T1034] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 59.997795][ T1034] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 59.997796][ T1034] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 59.997797][ T1034] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 59.997798][ T1034] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 59.997801][ T1034] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 59.997802][ T1034] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 59.997804][ T1034] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 59.997806][ T1034] ? ____sys_sendmsg (net/socket.c:2713) [ 59.997808][ T1034] ? ___sys_sendmsg (net/socket.c:2767) [ 59.997809][ T1034] ? __sys_sendmsg (net/socket.c:2799) [ 59.997811][ T1034] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 59.997814][ T1034] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 59.997817][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.997818][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.997820][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.997820][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.997822][ T1034] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 59.997823][ T1034] ? __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) [ 59.997825][ T1034] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 59.997826][ T1034] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 59.997828][ T1034] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 59.997829][ T1034] ? nla_get_range_signed (lib/nlattr.c:270) [ 59.997832][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.997833][ T1034] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 59.997835][ T1034] rtnl_newlink (net/core/rtnetlink.c:4215) [ 59.997837][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.997839][ T1034] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 59.997840][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.997841][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.997843][ T1034] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 59.997845][ T1034] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 59.997847][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 59.997848][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.997849][ T1034] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 59.997852][ T1034] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 59.997855][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.997856][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.997857][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.997858][ T1034] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 59.997860][ T1034] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 59.997861][ T1034] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 59.997863][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 59.997864][ T1034] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 59.997866][ T1034] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 59.997868][ T1034] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 59.997870][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 59.997871][ T1034] ? netlink_ack (./include/linux/skbuff.h:2718) [ 59.997873][ T1034] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 59.997876][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.997877][ T1034] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 59.997879][ T1034] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 59.997881][ T1034] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 59.997883][ T1034] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 59.997885][ T1034] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 59.997887][ T1034] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 59.997889][ T1034] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 59.997890][ T1034] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.997892][ T1034] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 59.997895][ T1034] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 59.997897][ T1034] ____sys_sendmsg (net/socket.c:2713) [ 59.997898][ T1034] ? copy_msghdr_from_user (net/socket.c:2650) [ 59.997900][ T1034] ? sock_write_iter (net/socket.c:1269) [ 59.997902][ T1034] ? move_addr_to_kernel (net/socket.c:258) [ 59.997903][ T1034] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 59.997906][ T1034] ___sys_sendmsg (net/socket.c:2767) [ 59.997908][ T1034] ? copy_msghdr_from_user (net/socket.c:2619) [ 59.997913][ T1034] __sys_sendmsg (net/socket.c:2799) [ 59.997915][ T1034] ? __sys_sendmsg_sock (net/socket.c:2780) [ 59.997917][ T1034] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.997919][ T1034] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 59.997921][ T1034] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 59.997923][ T1034] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 59.997924][ T1034] RIP: 0033:0x7fd0671b654e [ 59.997926][ T1034] 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 [ 59.997928][ T1034] RSP: 002b:00007ffd5f7613e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 59.997932][ T1034] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd0671b654e [ 59.997933][ T1034] RDX: 0000000000000000 RSI: 00007ffd5f761490 RDI: 0000000000000005 [ 59.997934][ T1034] RBP: 00007ffd5f7613f0 R08: 0000000000000000 R09: 0000000000000000 [ 59.997935][ T1034] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914006 [ 59.997936][ T1034] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5f761b60 | [ 66.823829][ T71] softirqs last disabled at (474234): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 66.823831][ T71] Preemption disabled at: | [ 66.823832][ T71] 0x0 | [ 66.823841][ T71] Tainted: [W]=WARN [ 66.823842][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 66.823843][ T71] Workqueue: netns cleanup_net [ 66.823849][ T71] Call Trace: [ 66.823850][ T71] [ 66.823852][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 66.823858][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 66.823861][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 66.823865][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.823868][ T71] __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)) [ 66.823870][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 66.823873][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 66.823878][ T71] ? 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) [ 66.823879][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 66.823882][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 66.823883][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 66.823884][ T71] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 66.823887][ T71] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 66.823889][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 66.823894][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 66.823896][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 66.823897][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.823900][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 66.823903][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 66.823905][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.823906][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.823907][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.823908][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.823909][ T71] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 66.823911][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 66.823913][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 66.823916][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 66.823918][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.823920][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 66.823921][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.823922][ T71] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 66.823924][ T71] ? 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) [ 66.823925][ T71] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 66.823926][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 66.823928][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 66.823930][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 66.823931][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 66.823933][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.823934][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 66.823937][ T71] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 66.823939][ T71] _printk (kernel/printk/printk.c:2504) [ 66.823942][ T71] ? snapshot_read.cold (user.c:?) [ 66.823944][ T71] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 66.823946][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 66.823950][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 66.823952][ T71] br_device_event (net/bridge/br.c:111) [ 66.823954][ T71] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 66.823956][ T71] ? packet_sendmsg_spkt (af_packet.c:?) [ 66.823957][ T71] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 66.823960][ T71] notifier_call_chain (kernel/notifier.c:85) [ 66.823963][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 66.823966][ T71] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 66.823968][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.823969][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 66.823971][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 66.823973][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 66.823975][ T71] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 66.823976][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 66.823979][ T71] ? kthread (kernel/kthread.c:436) [ 66.823981][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 66.823984][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 66.823986][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 66.823987][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.823988][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 66.823990][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 66.823992][ T71] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 66.823993][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.823995][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 66.823996][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 66.823998][ T71] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 66.824000][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 66.824002][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 66.824004][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 66.824007][ T71] cleanup_net (net/core/net_namespace.c:706) [ 66.824009][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 66.824010][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.824011][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.824013][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.824014][ T71] process_one_work (kernel/workqueue.c:3387) [ 66.824017][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 66.824019][ T71] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 66.824021][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 66.824023][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 66.824026][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 66.824027][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 66.824029][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 66.824031][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 66.824033][ T71] kthread (kernel/kthread.c:436) [ 66.824034][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 66.824035][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 66.824037][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 66.824039][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 66.824041][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 66.824043][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 66.824045][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 68.682404][ T1247] softirqs last disabled at (0): 0x0 | [ 68.682406][ T1247] Preemption disabled at: | [ 68.682407][ T1247] vprintk_emit (kernel/printk/printk.c:2471) | [ 68.682417][ T1247] Tainted: [W]=WARN [ 68.682418][ T1247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 68.682420][ T1247] Call Trace: [ 68.682422][ T1247] [ 68.682423][ T1247] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 68.682428][ T1247] ? vprintk_emit (kernel/printk/printk.c:2471) [ 68.682430][ T1247] __might_resched.cold (kernel/sched/core.c:9234) [ 68.682433][ T1247] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 68.682437][ T1247] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 68.682440][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.682443][ T1247] __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)) [ 68.682445][ T1247] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 68.682448][ T1247] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 68.682453][ T1247] ? 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) [ 68.682455][ T1247] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 68.682457][ T1247] put_chars (drivers/char/virtio_console.c:1176) [ 68.682459][ T1247] ? __send_to_port (drivers/char/virtio_console.c:654) [ 68.682460][ T1247] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 68.682463][ T1247] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 68.682468][ T1247] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 68.682470][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.682471][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 68.682473][ T1247] console_emit_next_record (kernel/printk/printk.c:3183) [ 68.682476][ T1247] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 68.682478][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.682479][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.682480][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.682481][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 68.682483][ T1247] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 68.682484][ T1247] console_flush_one_record (kernel/printk/printk.c:3268) [ 68.682487][ T1247] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 68.682489][ T1247] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 68.682491][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 68.682493][ T1247] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 68.682494][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.682495][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 68.682497][ T1247] ? 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) [ 68.682498][ T1247] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 68.682499][ T1247] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 68.682501][ T1247] ? vprintk_emit (kernel/printk/printk.c:2478) [ 68.682503][ T1247] vprintk_emit (kernel/printk/printk.c:2479) [ 68.682504][ T1247] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 68.682505][ T1247] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 68.682507][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 68.682510][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 68.682511][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.682517][ T1247] _printk (kernel/printk/printk.c:2504) [ 68.682520][ T1247] ? snapshot_read.cold (user.c:?) [ 68.682522][ T1247] ? br_multicast_flood (??:?) [ 68.682525][ T1247] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 68.682528][ T1247] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 68.682529][ T1247] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 68.682531][ T1247] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 68.682534][ T1247] br_init_port (net/bridge/br_stp_if.c:39) [ 68.682535][ T1247] new_nbp (net/bridge/br_if.c:449) [ 68.682537][ T1247] br_add_if (net/bridge/br_if.c:592) [ 68.682539][ T1247] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 68.682543][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 68.682546][ T1247] do_set_master (net/core/rtnetlink.c:3071) [ 68.682547][ T1247] ? netif_change_flags (net/core/dev.c:9882) [ 68.682549][ T1247] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 68.682551][ T1247] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 68.682552][ T1247] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 68.682553][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.682555][ T1247] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 68.682558][ T1247] ? kasan_save_stack (mm/kasan/common.c:58) [ 68.682560][ T1247] ? kasan_save_stack (mm/kasan/common.c:57) [ 68.682561][ T1247] ? kasan_save_track (mm/kasan/common.c:78) [ 68.682562][ T1247] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 68.682563][ T1247] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 68.682564][ T1247] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 68.682565][ T1247] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 68.682566][ T1247] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 68.682569][ T1247] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 68.682570][ T1247] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 68.682572][ T1247] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 68.682574][ T1247] ? ____sys_sendmsg (net/socket.c:2713) [ 68.682576][ T1247] ? ___sys_sendmsg (net/socket.c:2767) [ 68.682577][ T1247] ? __sys_sendmsg (net/socket.c:2799) [ 68.682579][ T1247] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 68.682582][ T1247] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 68.682584][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.682585][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 68.682587][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.682588][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.682589][ T1247] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 68.682590][ T1247] ? __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) [ 68.682592][ T1247] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 68.682593][ T1247] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 68.682595][ T1247] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 68.682596][ T1247] ? nla_get_range_signed (lib/nlattr.c:270) [ 68.682599][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.682600][ T1247] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 68.682602][ T1247] rtnl_newlink (net/core/rtnetlink.c:4215) [ 68.682604][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.682605][ T1247] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 68.682606][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 68.682608][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.682609][ T1247] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 68.682611][ T1247] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 68.682613][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 68.682614][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.682615][ T1247] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 68.682618][ T1247] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 68.682620][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.682621][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 68.682623][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.682624][ T1247] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 68.682625][ T1247] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 68.682627][ T1247] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 68.682628][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 68.682630][ T1247] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 68.682632][ T1247] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 68.682633][ T1247] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 68.682635][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 68.682636][ T1247] ? netlink_ack (./include/linux/skbuff.h:2718) [ 68.682638][ T1247] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 68.682641][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.682642][ T1247] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 68.682644][ T1247] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 68.682646][ T1247] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 68.682647][ T1247] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 68.682649][ T1247] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 68.682651][ T1247] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 68.682653][ T1247] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 68.682654][ T1247] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 68.682656][ T1247] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 68.682659][ T1247] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 68.682660][ T1247] ____sys_sendmsg (net/socket.c:2713) [ 68.682662][ T1247] ? copy_msghdr_from_user (net/socket.c:2650) [ 68.682664][ T1247] ? sock_write_iter (net/socket.c:1269) [ 68.682665][ T1247] ? move_addr_to_kernel (net/socket.c:258) [ 68.682666][ T1247] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 68.682669][ T1247] ___sys_sendmsg (net/socket.c:2767) [ 68.682670][ T1247] ? copy_msghdr_from_user (net/socket.c:2619) [ 68.682675][ T1247] __sys_sendmsg (net/socket.c:2799) [ 68.682677][ T1247] ? __sys_sendmsg_sock (net/socket.c:2780) [ 68.682680][ T1247] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 68.682681][ T1247] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 68.682683][ T1247] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 68.682685][ T1247] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 68.682686][ T1247] RIP: 0033:0x7fa5b4de954e [ 68.682688][ T1247] 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 [ 68.682690][ T1247] RSP: 002b:00007ffc38118930 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 68.682693][ T1247] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa5b4de954e [ 68.682694][ T1247] RDX: 0000000000000000 RSI: 00007ffc381189e0 RDI: 0000000000000005 [ 68.682695][ T1247] RBP: 00007ffc38118940 R08: 0000000000000000 R09: 0000000000000000 [ 68.682696][ T1247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91400e [ 68.682697][ T1247] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc381190b0 | [ 76.945749][ T71] softirqs last disabled at (474234): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 76.945751][ T71] Preemption disabled at: | [ 76.945751][ T71] 0x0 | [ 76.945761][ T71] Tainted: [W]=WARN [ 76.945762][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 76.945764][ T71] Workqueue: netns cleanup_net [ 76.945769][ T71] Call Trace: [ 76.945771][ T71] [ 76.945772][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 76.945778][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 76.945782][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 76.945786][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.945789][ T71] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 76.945791][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 76.945794][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 76.945799][ T71] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 76.945801][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 76.945803][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 76.945805][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 76.945806][ T71] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 76.945809][ T71] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 76.945811][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 76.945816][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 76.945817][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 76.945819][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.945821][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 76.945824][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 76.945826][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.945827][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.945828][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.945829][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.945831][ T71] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 76.945832][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 76.945835][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 76.945838][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 76.945839][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.945841][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 76.945842][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.945843][ T71] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 76.945845][ T71] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 76.945846][ T71] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 76.945847][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 76.945849][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 76.945851][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 76.945852][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 76.945853][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.945854][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 76.945858][ T71] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 76.945859][ T71] _printk (kernel/printk/printk.c:2504) [ 76.945862][ T71] ? snapshot_read.cold (user.c:?) [ 76.945865][ T71] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 76.945868][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 76.945871][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 76.945873][ T71] br_device_event (net/bridge/br.c:111) [ 76.945875][ T71] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 76.945877][ T71] ? packet_sendmsg_spkt (af_packet.c:?) [ 76.945879][ T71] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 76.945882][ T71] notifier_call_chain (kernel/notifier.c:85) [ 76.945885][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 76.945888][ T71] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 76.945890][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.945891][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 76.945893][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 76.945895][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 76.945897][ T71] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 76.945898][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 76.945901][ T71] ? kthread (kernel/kthread.c:436) [ 76.945903][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 76.945906][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 76.945908][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 76.945910][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.945911][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 76.945913][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 76.945914][ T71] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 76.945915][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.945917][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 76.945918][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 76.945920][ T71] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 76.945923][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 76.945925][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 76.945926][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 76.945929][ T71] cleanup_net (net/core/net_namespace.c:706) [ 76.945931][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 76.945933][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.945935][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.945936][ T71] process_one_work (kernel/workqueue.c:3387) [ 76.945939][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 76.945941][ T71] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 76.945943][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 76.945945][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 76.945947][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 76.945949][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 76.945951][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 76.945953][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 76.945954][ T71] kthread (kernel/kthread.c:436) [ 76.945956][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 76.945957][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 76.945959][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 76.945961][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 76.945963][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 76.945965][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 76.945967][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 78.855175][ T1516] softirqs last disabled at (0): 0x0 | [ 78.855177][ T1516] Preemption disabled at: | [ 78.855178][ T1516] vprintk_emit (kernel/printk/printk.c:2471) | [ 78.855188][ T1516] Tainted: [W]=WARN [ 78.855189][ T1516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 78.855191][ T1516] Call Trace: [ 78.855192][ T1516] [ 78.855194][ T1516] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 78.855199][ T1516] ? vprintk_emit (kernel/printk/printk.c:2471) [ 78.855201][ T1516] __might_resched.cold (kernel/sched/core.c:9234) [ 78.855205][ T1516] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 78.855208][ T1516] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 78.855212][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.855215][ T1516] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 78.855217][ T1516] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 78.855220][ T1516] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 78.855225][ T1516] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 78.855227][ T1516] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 78.855229][ T1516] put_chars (drivers/char/virtio_console.c:1176) [ 78.855231][ T1516] ? __send_to_port (drivers/char/virtio_console.c:654) [ 78.855233][ T1516] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 78.855235][ T1516] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 78.855240][ T1516] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 78.855242][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.855243][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.855246][ T1516] console_emit_next_record (kernel/printk/printk.c:3183) [ 78.855248][ T1516] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 78.855250][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.855251][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.855252][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.855254][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.855255][ T1516] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 78.855257][ T1516] console_flush_one_record (kernel/printk/printk.c:3268) [ 78.855260][ T1516] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 78.855263][ T1516] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 78.855264][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.855266][ T1516] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 78.855268][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.855269][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 78.855270][ T1516] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 78.855272][ T1516] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 78.855273][ T1516] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 78.855275][ T1516] ? vprintk_emit (kernel/printk/printk.c:2478) [ 78.855277][ T1516] vprintk_emit (kernel/printk/printk.c:2479) [ 78.855278][ T1516] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 78.855280][ T1516] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 78.855281][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 78.855284][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.855286][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.855287][ T1516] _printk (kernel/printk/printk.c:2504) [ 78.855290][ T1516] ? snapshot_read.cold (user.c:?) [ 78.855292][ T1516] ? br_multicast_flood (??:?) [ 78.855296][ T1516] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 78.855298][ T1516] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 78.855300][ T1516] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 78.855301][ T1516] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 78.855304][ T1516] br_init_port (net/bridge/br_stp_if.c:39) [ 78.855306][ T1516] new_nbp (net/bridge/br_if.c:449) [ 78.855308][ T1516] br_add_if (net/bridge/br_if.c:592) [ 78.855310][ T1516] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 78.855313][ T1516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 78.855316][ T1516] do_set_master (net/core/rtnetlink.c:3071) [ 78.855318][ T1516] ? netif_change_flags (net/core/dev.c:9882) [ 78.855320][ T1516] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 78.855322][ T1516] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 78.855323][ T1516] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 78.855324][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.855325][ T1516] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 78.855329][ T1516] ? kasan_save_stack (mm/kasan/common.c:58) [ 78.855331][ T1516] ? kasan_save_stack (mm/kasan/common.c:57) [ 78.855332][ T1516] ? kasan_save_track (mm/kasan/common.c:78) [ 78.855333][ T1516] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 78.855334][ T1516] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 78.855335][ T1516] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 78.855336][ T1516] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 78.855337][ T1516] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 78.855340][ T1516] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 78.855342][ T1516] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 78.855343][ T1516] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 78.855346][ T1516] ? ____sys_sendmsg (net/socket.c:2713) [ 78.855347][ T1516] ? ___sys_sendmsg (net/socket.c:2767) [ 78.855348][ T1516] ? __sys_sendmsg (net/socket.c:2799) [ 78.855350][ T1516] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 78.855353][ T1516] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 78.855356][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.855357][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.855359][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.855360][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.855361][ T1516] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 78.855362][ T1516] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 78.855364][ T1516] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 78.855365][ T1516] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 78.855367][ T1516] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 78.855368][ T1516] ? nla_get_range_signed (lib/nlattr.c:270) [ 78.855371][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.855373][ T1516] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 78.855375][ T1516] rtnl_newlink (net/core/rtnetlink.c:4215) [ 78.855377][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.855378][ T1516] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 78.855379][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.855380][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.855382][ T1516] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 78.855385][ T1516] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 78.855386][ T1516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 78.855387][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.855388][ T1516] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 78.855392][ T1516] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 78.855394][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.855395][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.855397][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.855398][ T1516] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 78.855399][ T1516] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 78.855401][ T1516] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 78.855402][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 78.855404][ T1516] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 78.855406][ T1516] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 78.855408][ T1516] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 78.855409][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 78.855411][ T1516] ? netlink_ack (./include/linux/skbuff.h:2718) [ 78.855412][ T1516] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 78.855415][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.855416][ T1516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 78.855418][ T1516] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 78.855421][ T1516] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 78.855422][ T1516] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 78.855424][ T1516] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 78.855426][ T1516] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 78.855428][ T1516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 78.855430][ T1516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.855431][ T1516] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 78.855434][ T1516] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 78.855436][ T1516] ____sys_sendmsg (net/socket.c:2713) [ 78.855438][ T1516] ? copy_msghdr_from_user (net/socket.c:2650) [ 78.855439][ T1516] ? sock_write_iter (net/socket.c:1269) [ 78.855441][ T1516] ? move_addr_to_kernel (net/socket.c:258) [ 78.855442][ T1516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 78.855445][ T1516] ___sys_sendmsg (net/socket.c:2767) [ 78.855447][ T1516] ? copy_msghdr_from_user (net/socket.c:2619) [ 78.855451][ T1516] __sys_sendmsg (net/socket.c:2799) [ 78.855453][ T1516] ? __sys_sendmsg_sock (net/socket.c:2780) [ 78.855456][ T1516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.855458][ T1516] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 78.855460][ T1516] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 78.855462][ T1516] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 78.855463][ T1516] RIP: 0033:0x7f3ef5db754e [ 78.855465][ T1516] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 78.855467][ T1516] RSP: 002b:00007ffdeeaa21f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 78.855470][ T1516] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f3ef5db754e [ 78.855472][ T1516] RDX: 0000000000000000 RSI: 00007ffdeeaa22a0 RDI: 0000000000000005 [ 78.855473][ T1516] RBP: 00007ffdeeaa2200 R08: 0000000000000000 R09: 0000000000000000 [ 78.855474][ T1516] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914019 [ 78.855475][ T1516] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdeeaa2970 | [ 87.129169][ T71] softirqs last disabled at (474234): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 87.129171][ T71] Preemption disabled at: | [ 87.129172][ T71] 0x0 | [ 87.129181][ T71] Tainted: [W]=WARN [ 87.129182][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 87.129184][ T71] Workqueue: netns cleanup_net [ 87.129190][ T71] Call Trace: [ 87.129191][ T71] [ 87.129193][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 87.129199][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 87.129202][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 87.129206][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.129209][ T71] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 87.129212][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 87.129215][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 87.129219][ T71] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 87.129221][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 87.129223][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 87.129225][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 87.129226][ T71] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 87.129228][ T71] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 87.129231][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 87.129235][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 87.129237][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 87.129239][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.129241][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 87.129244][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 87.129246][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.129247][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.129248][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.129249][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.129251][ T71] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 87.129252][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 87.129255][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 87.129257][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 87.129259][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.129260][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 87.129262][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.129263][ T71] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 87.129264][ T71] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 87.129266][ T71] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 87.129267][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 87.129269][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 87.129271][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 87.129272][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 87.129273][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.129275][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 87.129278][ T71] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 87.129279][ T71] _printk (kernel/printk/printk.c:2504) [ 87.129282][ T71] ? snapshot_read.cold (user.c:?) [ 87.129284][ T71] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 87.129287][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 87.129291][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 87.129292][ T71] br_device_event (net/bridge/br.c:111) [ 87.129295][ T71] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 87.129296][ T71] ? packet_sendmsg_spkt (af_packet.c:?) [ 87.129298][ T71] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 87.129301][ T71] notifier_call_chain (kernel/notifier.c:85) [ 87.129304][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 87.129306][ T71] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 87.129309][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.129310][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 87.129312][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 87.129314][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 87.129316][ T71] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 87.129317][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 87.129320][ T71] ? kthread (kernel/kthread.c:436) [ 87.129322][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 87.129324][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 87.129326][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 87.129328][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.129329][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 87.129331][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 87.129332][ T71] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 87.129334][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.129335][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 87.129337][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 87.129338][ T71] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 87.129341][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 87.129343][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 87.129344][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 87.129347][ T71] cleanup_net (net/core/net_namespace.c:706) [ 87.129349][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 87.129350][ T71] ? update_load_avg (kernel/sched/fair.c:5864) [ 87.129353][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.129355][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.129356][ T71] process_one_work (kernel/workqueue.c:3387) [ 87.129359][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 87.129361][ T71] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 87.129363][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 87.129365][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 87.129367][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 87.129369][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 87.129371][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 87.129373][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 87.129374][ T71] kthread (kernel/kthread.c:436) [ 87.129376][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 87.129377][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 87.129379][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 87.129381][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 87.129382][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 87.129385][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 87.129387][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 89.003521][ T1785] softirqs last disabled at (0): 0x0 | [ 89.003523][ T1785] Preemption disabled at: | [ 89.003523][ T1785] vprintk_emit (kernel/printk/printk.c:2471) | [ 89.003533][ T1785] Tainted: [W]=WARN [ 89.003534][ T1785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 89.003536][ T1785] Call Trace: [ 89.003538][ T1785] [ 89.003539][ T1785] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 89.003544][ T1785] ? vprintk_emit (kernel/printk/printk.c:2471) [ 89.003545][ T1785] __might_resched.cold (kernel/sched/core.c:9234) [ 89.003549][ T1785] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 89.003552][ T1785] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 89.003556][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.003558][ T1785] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 89.003561][ T1785] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 89.003564][ T1785] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 89.003569][ T1785] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 89.003571][ T1785] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 89.003573][ T1785] put_chars (drivers/char/virtio_console.c:1176) [ 89.003575][ T1785] ? __send_to_port (drivers/char/virtio_console.c:654) [ 89.003576][ T1785] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 89.003579][ T1785] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 89.003583][ T1785] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 89.003585][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.003586][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.003589][ T1785] console_emit_next_record (kernel/printk/printk.c:3183) [ 89.003591][ T1785] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 89.003593][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.003594][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.003595][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.003596][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.003598][ T1785] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 89.003600][ T1785] console_flush_one_record (kernel/printk/printk.c:3268) [ 89.003607][ T1785] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 89.003609][ T1785] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 89.003611][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.003613][ T1785] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 89.003615][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.003616][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 89.003617][ T1785] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 89.003618][ T1785] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 89.003620][ T1785] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 89.003622][ T1785] ? vprintk_emit (kernel/printk/printk.c:2478) [ 89.003623][ T1785] vprintk_emit (kernel/printk/printk.c:2479) [ 89.003625][ T1785] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 89.003626][ T1785] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 89.003628][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 89.003630][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.003632][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.003633][ T1785] _printk (kernel/printk/printk.c:2504) [ 89.003636][ T1785] ? snapshot_read.cold (user.c:?) [ 89.003638][ T1785] ? br_multicast_flood (??:?) [ 89.003642][ T1785] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 89.003644][ T1785] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 89.003645][ T1785] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 89.003647][ T1785] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 89.003650][ T1785] br_init_port (net/bridge/br_stp_if.c:39) [ 89.003651][ T1785] new_nbp (net/bridge/br_if.c:449) [ 89.003653][ T1785] br_add_if (net/bridge/br_if.c:592) [ 89.003655][ T1785] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 89.003658][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 89.003661][ T1785] do_set_master (net/core/rtnetlink.c:3071) [ 89.003662][ T1785] ? netif_change_flags (net/core/dev.c:9882) [ 89.003665][ T1785] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 89.003666][ T1785] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 89.003668][ T1785] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 89.003669][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.003670][ T1785] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 89.003673][ T1785] ? kasan_save_stack (mm/kasan/common.c:58) [ 89.003675][ T1785] ? kasan_save_stack (mm/kasan/common.c:57) [ 89.003676][ T1785] ? kasan_save_track (mm/kasan/common.c:78) [ 89.003677][ T1785] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 89.003678][ T1785] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 89.003679][ T1785] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 89.003680][ T1785] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 89.003681][ T1785] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 89.003683][ T1785] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 89.003685][ T1785] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 89.003686][ T1785] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 89.003689][ T1785] ? ____sys_sendmsg (net/socket.c:2713) [ 89.003690][ T1785] ? ___sys_sendmsg (net/socket.c:2767) [ 89.003691][ T1785] ? __sys_sendmsg (net/socket.c:2799) [ 89.003693][ T1785] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 89.003696][ T1785] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 89.003699][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.003700][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.003702][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.003702][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.003704][ T1785] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 89.003705][ T1785] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 89.003707][ T1785] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 89.003708][ T1785] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 89.003709][ T1785] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 89.003710][ T1785] ? nla_get_range_signed (lib/nlattr.c:270) [ 89.003713][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.003715][ T1785] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 89.003717][ T1785] rtnl_newlink (net/core/rtnetlink.c:4215) [ 89.003718][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.003719][ T1785] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 89.003721][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.003722][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.003723][ T1785] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 89.003726][ T1785] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 89.003727][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 89.003729][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.003730][ T1785] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 89.003733][ T1785] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 89.003735][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.003736][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.003737][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.003739][ T1785] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 89.003740][ T1785] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 89.003741][ T1785] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 89.003743][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 89.003744][ T1785] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 89.003746][ T1785] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 89.003748][ T1785] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 89.003749][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 89.003751][ T1785] ? netlink_ack (./include/linux/skbuff.h:2718) [ 89.003753][ T1785] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 89.003756][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.003757][ T1785] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 89.003759][ T1785] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 89.003761][ T1785] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 89.003762][ T1785] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 89.003764][ T1785] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 89.003766][ T1785] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 89.003768][ T1785] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 89.003769][ T1785] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.003771][ T1785] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 89.003774][ T1785] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 89.003776][ T1785] ____sys_sendmsg (net/socket.c:2713) [ 89.003777][ T1785] ? copy_msghdr_from_user (net/socket.c:2650) [ 89.003779][ T1785] ? sock_write_iter (net/socket.c:1269) [ 89.003780][ T1785] ? move_addr_to_kernel (net/socket.c:258) [ 89.003782][ T1785] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 89.003784][ T1785] ___sys_sendmsg (net/socket.c:2767) [ 89.003786][ T1785] ? copy_msghdr_from_user (net/socket.c:2619) [ 89.003791][ T1785] __sys_sendmsg (net/socket.c:2799) [ 89.003792][ T1785] ? __sys_sendmsg_sock (net/socket.c:2780) [ 89.003795][ T1785] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.003796][ T1785] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 89.003798][ T1785] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 89.003800][ T1785] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 89.003801][ T1785] RIP: 0033:0x7eff68ca054e [ 89.003803][ T1785] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 89.003805][ T1785] RSP: 002b:00007fffaba3b610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 89.003808][ T1785] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007eff68ca054e [ 89.003810][ T1785] RDX: 0000000000000000 RSI: 00007fffaba3b6c0 RDI: 0000000000000005 [ 89.003810][ T1785] RBP: 00007fffaba3b620 R08: 0000000000000000 R09: 0000000000000000 [ 89.003811][ T1785] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914023 [ 89.003812][ T1785] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffaba3bd90 | [ 95.800513][ T71] softirqs last disabled at (474234): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 95.800515][ T71] Preemption disabled at: | [ 95.800516][ T71] 0x0 | [ 95.800526][ T71] Tainted: [W]=WARN [ 95.800527][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 95.800529][ T71] Workqueue: netns cleanup_net [ 95.800535][ T71] Call Trace: [ 95.800536][ T71] [ 95.800538][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 95.800544][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 95.800547][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 95.800551][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.800554][ T71] __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)) [ 95.800557][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 95.800560][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 95.800565][ T71] ? 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) [ 95.800566][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 95.800569][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 95.800570][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 95.800572][ T71] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 95.800574][ T71] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 95.800577][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 95.800582][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 95.800583][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 95.800585][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.800587][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 95.800590][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 95.800592][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.800593][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.800594][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.800595][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.800597][ T71] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 95.800598][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 95.800601][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 95.800603][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 95.800605][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.800606][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 95.800608][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.800609][ T71] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 95.800610][ T71] ? 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) [ 95.800612][ T71] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 95.800613][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 95.800615][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 95.800617][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 95.800618][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 95.800620][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.800621][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 95.800624][ T71] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 95.800625][ T71] _printk (kernel/printk/printk.c:2504) [ 95.800628][ T71] ? snapshot_read.cold (user.c:?) [ 95.800631][ T71] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 95.800638][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 95.800642][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 95.800644][ T71] br_device_event (net/bridge/br.c:111) [ 95.800646][ T71] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 95.800648][ T71] ? packet_sendmsg_spkt (af_packet.c:?) [ 95.800650][ T71] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 95.800653][ T71] notifier_call_chain (kernel/notifier.c:85) [ 95.800656][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 95.800658][ T71] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 95.800660][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.800662][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 95.800663][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 95.800666][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 95.800667][ T71] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 95.800669][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 95.800672][ T71] ? kthread (kernel/kthread.c:436) [ 95.800673][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 95.800676][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 95.800678][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 95.800680][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.800681][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 95.800683][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 95.800684][ T71] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 95.800686][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.800687][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 95.800688][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 95.800690][ T71] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 95.800693][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 95.800695][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 95.800697][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 95.800700][ T71] cleanup_net (net/core/net_namespace.c:706) [ 95.800701][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 95.800703][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.800705][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.800706][ T71] process_one_work (kernel/workqueue.c:3387) [ 95.800709][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 95.800711][ T71] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 95.800713][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 95.800715][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 95.800717][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 95.800719][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 95.800721][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 95.800723][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 95.800724][ T71] kthread (kernel/kthread.c:436) [ 95.800726][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 95.800727][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 95.800729][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 95.800731][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 95.800733][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 95.800735][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 95.800737][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 97.664035][ T1977] softirqs last disabled at (0): 0x0 | [ 97.664037][ T1977] Preemption disabled at: | [ 97.664037][ T1977] vprintk_emit (kernel/printk/printk.c:2471) | [ 97.664047][ T1977] Tainted: [W]=WARN [ 97.664048][ T1977] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 97.664049][ T1977] Call Trace: [ 97.664051][ T1977] [ 97.664052][ T1977] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 97.664058][ T1977] ? vprintk_emit (kernel/printk/printk.c:2471) [ 97.664059][ T1977] __might_resched.cold (kernel/sched/core.c:9234) [ 97.664063][ T1977] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 97.664066][ T1977] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 97.664069][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.664071][ T1977] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 97.664074][ T1977] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 97.664077][ T1977] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 97.664082][ T1977] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 97.664083][ T1977] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 97.664086][ T1977] put_chars (drivers/char/virtio_console.c:1176) [ 97.664087][ T1977] ? __send_to_port (drivers/char/virtio_console.c:654) [ 97.664089][ T1977] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 97.664091][ T1977] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 97.664096][ T1977] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 97.664098][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.664099][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.664101][ T1977] console_emit_next_record (kernel/printk/printk.c:3183) [ 97.664104][ T1977] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 97.664106][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.664107][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.664108][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.664109][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.664111][ T1977] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 97.664113][ T1977] console_flush_one_record (kernel/printk/printk.c:3268) [ 97.664115][ T1977] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 97.664118][ T1977] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 97.664119][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.664121][ T1977] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 97.664123][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.664123][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 97.664125][ T1977] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 97.664126][ T1977] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 97.664128][ T1977] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 97.664130][ T1977] ? vprintk_emit (kernel/printk/printk.c:2478) [ 97.664131][ T1977] vprintk_emit (kernel/printk/printk.c:2479) [ 97.664133][ T1977] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 97.664134][ T1977] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 97.664136][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 97.664138][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.664140][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.664141][ T1977] _printk (kernel/printk/printk.c:2504) [ 97.664144][ T1977] ? snapshot_read.cold (user.c:?) [ 97.664146][ T1977] ? br_multicast_flood (??:?) [ 97.664149][ T1977] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 97.664152][ T1977] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 97.664153][ T1977] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 97.664158][ T1977] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 97.664160][ T1977] br_init_port (net/bridge/br_stp_if.c:39) [ 97.664162][ T1977] new_nbp (net/bridge/br_if.c:449) [ 97.664164][ T1977] br_add_if (net/bridge/br_if.c:592) [ 97.664166][ T1977] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 97.664169][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 97.664172][ T1977] do_set_master (net/core/rtnetlink.c:3071) [ 97.664174][ T1977] ? netif_change_flags (net/core/dev.c:9882) [ 97.664176][ T1977] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 97.664177][ T1977] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 97.664179][ T1977] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 97.664180][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.664181][ T1977] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 97.664184][ T1977] ? kasan_save_stack (mm/kasan/common.c:58) [ 97.664186][ T1977] ? kasan_save_stack (mm/kasan/common.c:57) [ 97.664187][ T1977] ? kasan_save_track (mm/kasan/common.c:78) [ 97.664188][ T1977] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 97.664189][ T1977] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 97.664190][ T1977] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 97.664191][ T1977] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 97.664192][ T1977] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 97.664195][ T1977] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 97.664197][ T1977] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 97.664198][ T1977] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 97.664200][ T1977] ? ____sys_sendmsg (net/socket.c:2713) [ 97.664202][ T1977] ? ___sys_sendmsg (net/socket.c:2767) [ 97.664203][ T1977] ? __sys_sendmsg (net/socket.c:2799) [ 97.664205][ T1977] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 97.664208][ T1977] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 97.664210][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.664211][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.664213][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.664214][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.664215][ T1977] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 97.664216][ T1977] ? __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) [ 97.664218][ T1977] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 97.664219][ T1977] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 97.664220][ T1977] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 97.664221][ T1977] ? nla_get_range_signed (lib/nlattr.c:270) [ 97.664225][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.664226][ T1977] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 97.664228][ T1977] rtnl_newlink (net/core/rtnetlink.c:4215) [ 97.664230][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.664231][ T1977] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 97.664232][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.664233][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.664235][ T1977] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 97.664237][ T1977] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 97.664238][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 97.664240][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.664241][ T1977] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 97.664244][ T1977] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 97.664246][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.664247][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.664249][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.664250][ T1977] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 97.664251][ T1977] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 97.664253][ T1977] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 97.664254][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 97.664255][ T1977] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 97.664258][ T1977] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 97.664259][ T1977] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 97.664260][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 97.664262][ T1977] ? netlink_ack (./include/linux/skbuff.h:2718) [ 97.664263][ T1977] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 97.664266][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.664268][ T1977] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 97.664269][ T1977] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 97.664272][ T1977] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 97.664273][ T1977] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 97.664275][ T1977] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 97.664277][ T1977] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 97.664278][ T1977] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 97.664280][ T1977] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 97.664281][ T1977] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 97.664284][ T1977] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 97.664286][ T1977] ____sys_sendmsg (net/socket.c:2713) [ 97.664288][ T1977] ? copy_msghdr_from_user (net/socket.c:2650) [ 97.664289][ T1977] ? sock_write_iter (net/socket.c:1269) [ 97.664291][ T1977] ? move_addr_to_kernel (net/socket.c:258) [ 97.664292][ T1977] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 97.664294][ T1977] ___sys_sendmsg (net/socket.c:2767) [ 97.664296][ T1977] ? copy_msghdr_from_user (net/socket.c:2619) [ 97.664301][ T1977] __sys_sendmsg (net/socket.c:2799) [ 97.664303][ T1977] ? __sys_sendmsg_sock (net/socket.c:2780) [ 97.664305][ T1977] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 97.664307][ T1977] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 97.664309][ T1977] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 97.664310][ T1977] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 97.664312][ T1977] RIP: 0033:0x7feba3d3b54e [ 97.664314][ T1977] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 97.664315][ T1977] RSP: 002b:00007fff3ad8f1c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 97.664319][ T1977] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007feba3d3b54e [ 97.664320][ T1977] RDX: 0000000000000000 RSI: 00007fff3ad8f270 RDI: 0000000000000005 [ 97.664321][ T1977] RBP: 00007fff3ad8f1d0 R08: 0000000000000000 R09: 0000000000000000 [ 97.664322][ T1977] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91402b [ 97.664322][ T1977] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3ad8f940 | [ 104.800070][ T71] softirqs last disabled at (474234): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 104.800072][ T71] Preemption disabled at: | [ 104.800072][ T71] 0x0 | [ 104.800083][ T71] Tainted: [W]=WARN [ 104.800084][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 104.800085][ T71] Workqueue: netns cleanup_net [ 104.800092][ T71] Call Trace: [ 104.800093][ T71] [ 104.800094][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 104.800101][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 104.800104][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 104.800109][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.800111][ T71] __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)) [ 104.800114][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 104.800117][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 104.800122][ T71] ? 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) [ 104.800124][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 104.800126][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 104.800128][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 104.800129][ T71] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 104.800131][ T71] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 104.800134][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 104.800139][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 104.800141][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 104.800142][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.800145][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 104.800147][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 104.800149][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.800150][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.800151][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.800152][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.800157][ T71] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 104.800159][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 104.800161][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 104.800164][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 104.800166][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.800168][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 104.800169][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.800170][ T71] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 104.800172][ T71] ? 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) [ 104.800173][ T71] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 104.800174][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 104.800176][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 104.800178][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 104.800180][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 104.800181][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.800182][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 104.800185][ T71] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 104.800186][ T71] _printk (kernel/printk/printk.c:2504) [ 104.800189][ T71] ? snapshot_read.cold (user.c:?) [ 104.800192][ T71] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 104.800195][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 104.800198][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 104.800200][ T71] br_device_event (net/bridge/br.c:111) [ 104.800202][ T71] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 104.800204][ T71] ? packet_sendmsg_spkt (af_packet.c:?) [ 104.800206][ T71] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 104.800209][ T71] notifier_call_chain (kernel/notifier.c:85) [ 104.800212][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 104.800214][ T71] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 104.800216][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.800218][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 104.800219][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 104.800222][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 104.800223][ T71] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 104.800225][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 104.800228][ T71] ? kthread (kernel/kthread.c:436) [ 104.800230][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 104.800232][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 104.800234][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 104.800236][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.800237][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 104.800239][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 104.800241][ T71] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 104.800242][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.800244][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 104.800245][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 104.800247][ T71] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 104.800249][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 104.800252][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 104.800253][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 104.800256][ T71] cleanup_net (net/core/net_namespace.c:706) [ 104.800258][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 104.800260][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 104.800262][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 104.800263][ T71] process_one_work (kernel/workqueue.c:3387) [ 104.800266][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 104.800268][ T71] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 104.800270][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 104.800272][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 104.800275][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 104.800276][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 104.800278][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 104.800280][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 104.800282][ T71] kthread (kernel/kthread.c:436) [ 104.800283][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 104.800285][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 104.800286][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 104.800288][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 104.800290][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 104.800293][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 104.800294][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 106.660798][ T2215] softirqs last disabled at (0): 0x0 | [ 106.660800][ T2215] Preemption disabled at: | [ 106.660800][ T2215] vprintk_emit (kernel/printk/printk.c:2471) | [ 106.660810][ T2215] Tainted: [W]=WARN [ 106.660812][ T2215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 106.660813][ T2215] Call Trace: [ 106.660815][ T2215] [ 106.660816][ T2215] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 106.660822][ T2215] ? vprintk_emit (kernel/printk/printk.c:2471) [ 106.660823][ T2215] __might_resched.cold (kernel/sched/core.c:9234) [ 106.660826][ T2215] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 106.660830][ T2215] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 106.660833][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.660836][ T2215] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 106.660838][ T2215] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 106.660841][ T2215] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 106.660846][ T2215] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 106.660847][ T2215] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 106.660850][ T2215] put_chars (drivers/char/virtio_console.c:1176) [ 106.660851][ T2215] ? __send_to_port (drivers/char/virtio_console.c:654) [ 106.660853][ T2215] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 106.660856][ T2215] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 106.660861][ T2215] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 106.660862][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.660863][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 106.660866][ T2215] console_emit_next_record (kernel/printk/printk.c:3183) [ 106.660869][ T2215] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 106.660871][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.660872][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.660872][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.660873][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 106.660875][ T2215] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 106.660877][ T2215] console_flush_one_record (kernel/printk/printk.c:3268) [ 106.660879][ T2215] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 106.660882][ T2215] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 106.660884][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 106.660885][ T2215] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 106.660887][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.660888][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 106.660889][ T2215] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 106.660891][ T2215] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 106.660892][ T2215] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 106.660894][ T2215] ? vprintk_emit (kernel/printk/printk.c:2478) [ 106.660895][ T2215] vprintk_emit (kernel/printk/printk.c:2479) [ 106.660897][ T2215] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 106.660898][ T2215] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 106.660900][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 106.660903][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 106.660904][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.660906][ T2215] _printk (kernel/printk/printk.c:2504) [ 106.660909][ T2215] ? snapshot_read.cold (user.c:?) [ 106.660911][ T2215] ? br_multicast_flood (??:?) [ 106.660914][ T2215] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 106.660917][ T2215] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 106.660918][ T2215] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 106.660920][ T2215] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 106.660922][ T2215] br_init_port (net/bridge/br_stp_if.c:39) [ 106.660924][ T2215] new_nbp (net/bridge/br_if.c:449) [ 106.660926][ T2215] br_add_if (net/bridge/br_if.c:592) [ 106.660928][ T2215] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 106.660931][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 106.660934][ T2215] do_set_master (net/core/rtnetlink.c:3071) [ 106.660935][ T2215] ? netif_change_flags (net/core/dev.c:9882) [ 106.660938][ T2215] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 106.660939][ T2215] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 106.660941][ T2215] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 106.660942][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.660943][ T2215] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 106.660946][ T2215] ? kasan_save_stack (mm/kasan/common.c:58) [ 106.660948][ T2215] ? kasan_save_stack (mm/kasan/common.c:57) [ 106.660949][ T2215] ? kasan_save_track (mm/kasan/common.c:78) [ 106.660950][ T2215] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 106.660951][ T2215] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 106.660952][ T2215] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 106.660953][ T2215] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 106.660954][ T2215] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 106.660957][ T2215] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 106.660958][ T2215] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 106.660960][ T2215] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 106.660962][ T2215] ? ____sys_sendmsg (net/socket.c:2713) [ 106.660963][ T2215] ? ___sys_sendmsg (net/socket.c:2767) [ 106.660965][ T2215] ? __sys_sendmsg (net/socket.c:2799) [ 106.660966][ T2215] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 106.660970][ T2215] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 106.660972][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.660973][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 106.660974][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.660975][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.660976][ T2215] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 106.660978][ T2215] ? __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) [ 106.660980][ T2215] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 106.660981][ T2215] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 106.660982][ T2215] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 106.660983][ T2215] ? nla_get_range_signed (lib/nlattr.c:270) [ 106.660987][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.660988][ T2215] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 106.660990][ T2215] rtnl_newlink (net/core/rtnetlink.c:4215) [ 106.660992][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.660993][ T2215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 106.660994][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 106.660995][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.660997][ T2215] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 106.660999][ T2215] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 106.661001][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 106.661002][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.661003][ T2215] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 106.661006][ T2215] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 106.661008][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.661009][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 106.661011][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.661012][ T2215] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 106.661013][ T2215] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 106.661015][ T2215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 106.661016][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 106.661017][ T2215] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 106.661020][ T2215] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 106.661021][ T2215] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 106.661022][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 106.661024][ T2215] ? netlink_ack (./include/linux/skbuff.h:2718) [ 106.661025][ T2215] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 106.661028][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.661030][ T2215] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 106.661032][ T2215] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 106.661034][ T2215] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 106.661035][ T2215] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 106.661037][ T2215] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 106.661039][ T2215] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 106.661041][ T2215] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 106.661042][ T2215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 106.661044][ T2215] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 106.661047][ T2215] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 106.661049][ T2215] ____sys_sendmsg (net/socket.c:2713) [ 106.661050][ T2215] ? copy_msghdr_from_user (net/socket.c:2650) [ 106.661052][ T2215] ? sock_write_iter (net/socket.c:1269) [ 106.661053][ T2215] ? move_addr_to_kernel (net/socket.c:258) [ 106.661055][ T2215] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 106.661057][ T2215] ___sys_sendmsg (net/socket.c:2767) [ 106.661059][ T2215] ? copy_msghdr_from_user (net/socket.c:2619) [ 106.661064][ T2215] __sys_sendmsg (net/socket.c:2799) [ 106.661066][ T2215] ? __sys_sendmsg_sock (net/socket.c:2780) [ 106.661068][ T2215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.661070][ T2215] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 106.661071][ T2215] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 106.661073][ T2215] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 106.661075][ T2215] RIP: 0033:0x7f4a5abe254e [ 106.661077][ T2215] 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 [ 106.661079][ T2215] RSP: 002b:00007ffec973f380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 106.661082][ T2215] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4a5abe254e [ 106.661084][ T2215] RDX: 0000000000000000 RSI: 00007ffec973f430 RDI: 0000000000000005 [ 106.661085][ T2215] RBP: 00007ffec973f390 R08: 0000000000000000 R09: 0000000000000000 [ 106.661085][ T2215] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914034 [ 106.661086][ T2215] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec973fb00 | [ 113.414593][ T71] softirqs last disabled at (474234): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 113.414595][ T71] Preemption disabled at: | [ 113.414596][ T71] 0x0 | [ 113.414605][ T71] Tainted: [W]=WARN [ 113.414606][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 113.414608][ T71] Workqueue: netns cleanup_net [ 113.414613][ T71] Call Trace: [ 113.414615][ T71] [ 113.414616][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 113.414622][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 113.414626][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 113.414630][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.414633][ T71] __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)) [ 113.414635][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 113.414638][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 113.414643][ T71] ? 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) [ 113.414644][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 113.414647][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 113.414648][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 113.414649][ T71] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 113.414652][ T71] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 113.414655][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 113.414659][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 113.414661][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 113.414662][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.414665][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 113.414667][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 113.414669][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.414670][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.414671][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.414672][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.414674][ T71] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 113.414676][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 113.414678][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 113.414681][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 113.414683][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.414685][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 113.414686][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.414687][ T71] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 113.414689][ T71] ? 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) [ 113.414690][ T71] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 113.414692][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 113.414694][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 113.414695][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 113.414697][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 113.414698][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.414699][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 113.414702][ T71] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 113.414704][ T71] _printk (kernel/printk/printk.c:2504) [ 113.414707][ T71] ? snapshot_read.cold (user.c:?) [ 113.414713][ T71] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 113.414717][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 113.414721][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 113.414722][ T71] br_device_event (net/bridge/br.c:111) [ 113.414725][ T71] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 113.414727][ T71] ? packet_sendmsg_spkt (af_packet.c:?) [ 113.414729][ T71] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 113.414732][ T71] notifier_call_chain (kernel/notifier.c:85) [ 113.414734][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 113.414737][ T71] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 113.414739][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.414741][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 113.414742][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 113.414744][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 113.414746][ T71] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 113.414748][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 113.414751][ T71] ? kthread (kernel/kthread.c:436) [ 113.414752][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 113.414755][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 113.414757][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 113.414759][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.414760][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 113.414762][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 113.414763][ T71] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 113.414765][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.414766][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 113.414768][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 113.414769][ T71] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 113.414772][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 113.414774][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 113.414776][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 113.414779][ T71] cleanup_net (net/core/net_namespace.c:706) [ 113.414781][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 113.414783][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 113.414784][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 113.414786][ T71] process_one_work (kernel/workqueue.c:3387) [ 113.414788][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 113.414790][ T71] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 113.414792][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 113.414795][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 113.414797][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 113.414799][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 113.414800][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 113.414802][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 113.414804][ T71] kthread (kernel/kthread.c:436) [ 113.414805][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 113.414807][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 113.414809][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 113.414810][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 113.414812][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 113.414815][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 113.414817][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 115.300400][ T2413] softirqs last disabled at (0): 0x0 | [ 115.300401][ T2413] Preemption disabled at: | [ 115.300402][ T2413] vprintk_emit (kernel/printk/printk.c:2471) | [ 115.300412][ T2413] Tainted: [W]=WARN [ 115.300413][ T2413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 115.300415][ T2413] Call Trace: [ 115.300417][ T2413] [ 115.300418][ T2413] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 115.300423][ T2413] ? vprintk_emit (kernel/printk/printk.c:2471) [ 115.300425][ T2413] __might_resched.cold (kernel/sched/core.c:9234) [ 115.300429][ T2413] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 115.300432][ T2413] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 115.300435][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.300438][ T2413] __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)) [ 115.300440][ T2413] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 115.300443][ T2413] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 115.300448][ T2413] ? 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) [ 115.300450][ T2413] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 115.300453][ T2413] put_chars (drivers/char/virtio_console.c:1176) [ 115.300454][ T2413] ? __send_to_port (drivers/char/virtio_console.c:654) [ 115.300456][ T2413] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 115.300459][ T2413] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 115.300463][ T2413] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 115.300465][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.300466][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 115.300469][ T2413] console_emit_next_record (kernel/printk/printk.c:3183) [ 115.300471][ T2413] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 115.300473][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.300474][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.300475][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.300476][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 115.300478][ T2413] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 115.300480][ T2413] console_flush_one_record (kernel/printk/printk.c:3268) [ 115.300482][ T2413] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 115.300485][ T2413] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 115.300487][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 115.300488][ T2413] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 115.300490][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.300491][ T2413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 115.300492][ T2413] ? 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) [ 115.300494][ T2413] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 115.300495][ T2413] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 115.300497][ T2413] ? vprintk_emit (kernel/printk/printk.c:2478) [ 115.300498][ T2413] vprintk_emit (kernel/printk/printk.c:2479) [ 115.300500][ T2413] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 115.300501][ T2413] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 115.300503][ T2413] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 115.300506][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 115.300507][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.300509][ T2413] _printk (kernel/printk/printk.c:2504) [ 115.300512][ T2413] ? snapshot_read.cold (user.c:?) [ 115.300514][ T2413] ? br_multicast_flood (??:?) [ 115.300517][ T2413] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 115.300520][ T2413] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 115.300521][ T2413] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 115.300523][ T2413] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 115.300525][ T2413] br_init_port (net/bridge/br_stp_if.c:39) [ 115.300527][ T2413] new_nbp (net/bridge/br_if.c:449) [ 115.300529][ T2413] br_add_if (net/bridge/br_if.c:592) [ 115.300531][ T2413] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 115.300534][ T2413] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 115.300537][ T2413] do_set_master (net/core/rtnetlink.c:3071) [ 115.300538][ T2413] ? netif_change_flags (net/core/dev.c:9882) [ 115.300541][ T2413] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 115.300542][ T2413] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 115.300544][ T2413] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 115.300545][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.300546][ T2413] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 115.300549][ T2413] ? kasan_save_stack (mm/kasan/common.c:58) [ 115.300551][ T2413] ? kasan_save_stack (mm/kasan/common.c:57) [ 115.300552][ T2413] ? kasan_save_track (mm/kasan/common.c:78) [ 115.300553][ T2413] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 115.300554][ T2413] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 115.300555][ T2413] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 115.300556][ T2413] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 115.300557][ T2413] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 115.300560][ T2413] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 115.300562][ T2413] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 115.300563][ T2413] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 115.300566][ T2413] ? ____sys_sendmsg (net/socket.c:2713) [ 115.300567][ T2413] ? ___sys_sendmsg (net/socket.c:2767) [ 115.300568][ T2413] ? __sys_sendmsg (net/socket.c:2799) [ 115.300570][ T2413] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 115.300573][ T2413] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 115.300576][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.300577][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 115.300578][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.300579][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.300580][ T2413] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 115.300582][ T2413] ? __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) [ 115.300583][ T2413] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 115.300584][ T2413] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 115.300586][ T2413] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 115.300587][ T2413] ? nla_get_range_signed (lib/nlattr.c:270) [ 115.300591][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.300592][ T2413] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 115.300594][ T2413] rtnl_newlink (net/core/rtnetlink.c:4215) [ 115.300596][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.300597][ T2413] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 115.300598][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 115.300600][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.300601][ T2413] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 115.300604][ T2413] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 115.300605][ T2413] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 115.300606][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.300607][ T2413] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 115.300611][ T2413] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 115.300613][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.300614][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 115.300616][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.300617][ T2413] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 115.300618][ T2413] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 115.300620][ T2413] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 115.300621][ T2413] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 115.300622][ T2413] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 115.300625][ T2413] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 115.300626][ T2413] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 115.300628][ T2413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 115.300629][ T2413] ? netlink_ack (./include/linux/skbuff.h:2718) [ 115.300631][ T2413] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 115.300634][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.300635][ T2413] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 115.300637][ T2413] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 115.300639][ T2413] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 115.300640][ T2413] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 115.300642][ T2413] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 115.300644][ T2413] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 115.300646][ T2413] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 115.300647][ T2413] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 115.300649][ T2413] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 115.300652][ T2413] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 115.300654][ T2413] ____sys_sendmsg (net/socket.c:2713) [ 115.300655][ T2413] ? copy_msghdr_from_user (net/socket.c:2650) [ 115.300657][ T2413] ? sock_write_iter (net/socket.c:1269) [ 115.300658][ T2413] ? move_addr_to_kernel (net/socket.c:258) [ 115.300660][ T2413] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 115.300662][ T2413] ___sys_sendmsg (net/socket.c:2767) [ 115.300664][ T2413] ? copy_msghdr_from_user (net/socket.c:2619) [ 115.300669][ T2413] __sys_sendmsg (net/socket.c:2799) [ 115.300671][ T2413] ? __sys_sendmsg_sock (net/socket.c:2780) [ 115.300673][ T2413] ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79) [ 115.300675][ T2413] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 115.300677][ T2413] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 115.300679][ T2413] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 115.300681][ T2413] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 115.300682][ T2413] RIP: 0033:0x7f07ba92854e [ 115.300684][ T2413] 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 [ 115.300686][ T2413] RSP: 002b:00007ffdbb058970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 115.300690][ T2413] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f07ba92854e [ 115.300691][ T2413] RDX: 0000000000000000 RSI: 00007ffdbb058a20 RDI: 0000000000000005 [ 115.300692][ T2413] RBP: 00007ffdbb058980 R08: 0000000000000000 R09: 0000000000000000 [ 115.300693][ T2413] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91403d [ 115.300694][ T2413] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdbb0590f0 | [ 122.107116][ T71] softirqs last disabled at (474234): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 122.107118][ T71] Preemption disabled at: | [ 122.107118][ T71] 0x0 | [ 122.107128][ T71] Tainted: [W]=WARN [ 122.107129][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 122.107131][ T71] Workqueue: netns cleanup_net [ 122.107136][ T71] Call Trace: [ 122.107138][ T71] [ 122.107140][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 122.107145][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 122.107149][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 122.107153][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.107158][ T71] __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)) [ 122.107161][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 122.107164][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 122.107168][ T71] ? 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) [ 122.107170][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 122.107173][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 122.107174][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 122.107175][ T71] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 122.107178][ T71] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 122.107181][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 122.107185][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 122.107187][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 122.107188][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.107191][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 122.107193][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 122.107195][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.107196][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.107197][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.107198][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.107200][ T71] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 122.107202][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 122.107204][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 122.107207][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 122.107209][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.107210][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 122.107212][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.107213][ T71] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 122.107214][ T71] ? 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) [ 122.107216][ T71] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 122.107217][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 122.107219][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 122.107221][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 122.107222][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 122.107223][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.107224][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 122.107227][ T71] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 122.107229][ T71] _printk (kernel/printk/printk.c:2504) [ 122.107232][ T71] ? snapshot_read.cold (user.c:?) [ 122.107234][ T71] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 122.107237][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 122.107241][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 122.107243][ T71] br_device_event (net/bridge/br.c:111) [ 122.107245][ T71] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 122.107246][ T71] ? packet_sendmsg_spkt (af_packet.c:?) [ 122.107248][ T71] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 122.107251][ T71] notifier_call_chain (kernel/notifier.c:85) [ 122.107254][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 122.107256][ T71] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 122.107258][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.107260][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 122.107262][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 122.107264][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 122.107266][ T71] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 122.107267][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 122.107270][ T71] ? kthread (kernel/kthread.c:436) [ 122.107272][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 122.107274][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 122.107277][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 122.107278][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.107279][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 122.107281][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 122.107282][ T71] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 122.107284][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.107285][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 122.107287][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 122.107288][ T71] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 122.107291][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 122.107293][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 122.107295][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 122.107298][ T71] cleanup_net (net/core/net_namespace.c:706) [ 122.107299][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 122.107301][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.107303][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.107304][ T71] process_one_work (kernel/workqueue.c:3387) [ 122.107307][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 122.107309][ T71] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 122.107311][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 122.107313][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 122.107315][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 122.107317][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 122.107319][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 122.107321][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 122.107323][ T71] kthread (kernel/kthread.c:436) [ 122.107324][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 122.107326][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 122.107327][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 122.107329][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 122.107331][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 122.107333][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 122.107335][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 123.995167][ T2621] softirqs last disabled at (0): 0x0 | [ 123.995169][ T2621] Preemption disabled at: | [ 123.995169][ T2621] vprintk_emit (kernel/printk/printk.c:2471) | [ 123.995179][ T2621] Tainted: [W]=WARN [ 123.995181][ T2621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 123.995182][ T2621] Call Trace: [ 123.995184][ T2621] [ 123.995185][ T2621] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 123.995191][ T2621] ? vprintk_emit (kernel/printk/printk.c:2471) [ 123.995192][ T2621] __might_resched.cold (kernel/sched/core.c:9234) [ 123.995195][ T2621] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 123.995198][ T2621] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 123.995202][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.995204][ T2621] __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)) [ 123.995207][ T2621] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 123.995210][ T2621] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 123.995215][ T2621] ? 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) [ 123.995216][ T2621] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 123.995219][ T2621] put_chars (drivers/char/virtio_console.c:1176) [ 123.995220][ T2621] ? __send_to_port (drivers/char/virtio_console.c:654) [ 123.995222][ T2621] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 123.995224][ T2621] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 123.995229][ T2621] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 123.995231][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.995232][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 123.995234][ T2621] console_emit_next_record (kernel/printk/printk.c:3183) [ 123.995237][ T2621] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 123.995239][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.995240][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.995241][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.995242][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 123.995244][ T2621] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 123.995245][ T2621] console_flush_one_record (kernel/printk/printk.c:3268) [ 123.995248][ T2621] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 123.995251][ T2621] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 123.995252][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 123.995254][ T2621] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 123.995256][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.995256][ T2621] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 123.995258][ T2621] ? 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) [ 123.995259][ T2621] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 123.995261][ T2621] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 123.995263][ T2621] ? vprintk_emit (kernel/printk/printk.c:2478) [ 123.995264][ T2621] vprintk_emit (kernel/printk/printk.c:2479) [ 123.995266][ T2621] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 123.995267][ T2621] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 123.995268][ T2621] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 123.995271][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 123.995273][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.995274][ T2621] _printk (kernel/printk/printk.c:2504) [ 123.995277][ T2621] ? snapshot_read.cold (user.c:?) [ 123.995279][ T2621] ? br_multicast_flood (??:?) [ 123.995282][ T2621] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 123.995285][ T2621] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 123.995286][ T2621] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 123.995288][ T2621] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 123.995290][ T2621] br_init_port (net/bridge/br_stp_if.c:39) [ 123.995292][ T2621] new_nbp (net/bridge/br_if.c:449) [ 123.995294][ T2621] br_add_if (net/bridge/br_if.c:592) [ 123.995296][ T2621] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 123.995299][ T2621] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 123.995302][ T2621] do_set_master (net/core/rtnetlink.c:3071) [ 123.995303][ T2621] ? netif_change_flags (net/core/dev.c:9882) [ 123.995305][ T2621] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 123.995307][ T2621] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 123.995308][ T2621] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 123.995309][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.995310][ T2621] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 123.995314][ T2621] ? kasan_save_stack (mm/kasan/common.c:58) [ 123.995315][ T2621] ? kasan_save_stack (mm/kasan/common.c:57) [ 123.995316][ T2621] ? kasan_save_track (mm/kasan/common.c:78) [ 123.995317][ T2621] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 123.995318][ T2621] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 123.995319][ T2621] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 123.995320][ T2621] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 123.995321][ T2621] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 123.995324][ T2621] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 123.995326][ T2621] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 123.995327][ T2621] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 123.995329][ T2621] ? ____sys_sendmsg (net/socket.c:2713) [ 123.995331][ T2621] ? ___sys_sendmsg (net/socket.c:2767) [ 123.995332][ T2621] ? __sys_sendmsg (net/socket.c:2799) [ 123.995334][ T2621] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 123.995337][ T2621] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 123.995339][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.995340][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 123.995341][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.995342][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.995343][ T2621] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 123.995345][ T2621] ? __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) [ 123.995346][ T2621] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 123.995347][ T2621] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 123.995349][ T2621] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 123.995350][ T2621] ? nla_get_range_signed (lib/nlattr.c:270) [ 123.995353][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.995354][ T2621] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 123.995356][ T2621] rtnl_newlink (net/core/rtnetlink.c:4215) [ 123.995358][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.995359][ T2621] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 123.995361][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 123.995362][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.995363][ T2621] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 123.995366][ T2621] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 123.995367][ T2621] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 123.995368][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.995369][ T2621] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 123.995373][ T2621] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 123.995375][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.995376][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 123.995377][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.995379][ T2621] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 123.995380][ T2621] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 123.995381][ T2621] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 123.995383][ T2621] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 123.995384][ T2621] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 123.995386][ T2621] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 123.995388][ T2621] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 123.995389][ T2621] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 123.995391][ T2621] ? netlink_ack (./include/linux/skbuff.h:2718) [ 123.995392][ T2621] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 123.995395][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.995397][ T2621] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 123.995398][ T2621] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 123.995401][ T2621] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 123.995402][ T2621] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 123.995404][ T2621] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 123.995406][ T2621] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 123.995408][ T2621] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 123.995409][ T2621] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 123.995411][ T2621] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 123.995414][ T2621] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 123.995416][ T2621] ____sys_sendmsg (net/socket.c:2713) [ 123.995417][ T2621] ? copy_msghdr_from_user (net/socket.c:2650) [ 123.995419][ T2621] ? sock_write_iter (net/socket.c:1269) [ 123.995420][ T2621] ? move_addr_to_kernel (net/socket.c:258) [ 123.995422][ T2621] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 123.995424][ T2621] ___sys_sendmsg (net/socket.c:2767) [ 123.995426][ T2621] ? copy_msghdr_from_user (net/socket.c:2619) [ 123.995431][ T2621] __sys_sendmsg (net/socket.c:2799) [ 123.995433][ T2621] ? __sys_sendmsg_sock (net/socket.c:2780) [ 123.995435][ T2621] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 123.995437][ T2621] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 123.995438][ T2621] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 123.995440][ T2621] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 123.995442][ T2621] RIP: 0033:0x7f786fc9854e [ 123.995443][ T2621] 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 [ 123.995445][ T2621] RSP: 002b:00007ffda2fed040 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 123.995449][ T2621] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f786fc9854e [ 123.995450][ T2621] RDX: 0000000000000000 RSI: 00007ffda2fed0f0 RDI: 0000000000000005 [ 123.995451][ T2621] RBP: 00007ffda2fed050 R08: 0000000000000000 R09: 0000000000000000 [ 123.995452][ T2621] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914046 [ 123.995452][ T2621] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda2fed7c0 | [ 131.228529][ T71] softirqs last disabled at (474234): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 131.228531][ T71] Preemption disabled at: | [ 131.228532][ T71] 0x0 | [ 131.228541][ T71] Tainted: [W]=WARN [ 131.228542][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 131.228544][ T71] Workqueue: netns cleanup_net [ 131.228550][ T71] Call Trace: [ 131.228551][ T71] [ 131.228553][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 131.228558][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 131.228561][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 131.228565][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.228568][ T71] __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)) [ 131.228571][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 131.228574][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 131.228578][ T71] ? 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) [ 131.228580][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 131.228582][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 131.228584][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 131.228585][ T71] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 131.228587][ T71] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 131.228590][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 131.228594][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 131.228596][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 131.228598][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.228600][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 131.228603][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 131.228605][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.228606][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.228607][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.228608][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.228610][ T71] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 131.228612][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 131.228614][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 131.228617][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 131.228619][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.228620][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 131.228622][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.228623][ T71] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 131.228624][ T71] ? 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) [ 131.228626][ T71] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 131.228627][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 131.228629][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 131.228631][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 131.228632][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 131.228634][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.228635][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 131.228638][ T71] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 131.228639][ T71] _printk (kernel/printk/printk.c:2504) [ 131.228642][ T71] ? snapshot_read.cold (user.c:?) [ 131.228644][ T71] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 131.228647][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 131.228651][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 131.228653][ T71] br_device_event (net/bridge/br.c:111) [ 131.228655][ T71] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 131.228656][ T71] ? packet_sendmsg_spkt (af_packet.c:?) [ 131.228658][ T71] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 131.228661][ T71] notifier_call_chain (kernel/notifier.c:85) [ 131.228664][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 131.228666][ T71] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 131.228668][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.228670][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 131.228672][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 131.228674][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 131.228676][ T71] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 131.228677][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 131.228680][ T71] ? kthread (kernel/kthread.c:436) [ 131.228682][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 131.228685][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 131.228687][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 131.228688][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.228689][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 131.228691][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 131.228693][ T71] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 131.228694][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.228696][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 131.228697][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 131.228699][ T71] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 131.228702][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 131.228704][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 131.228705][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 131.228708][ T71] cleanup_net (net/core/net_namespace.c:706) [ 131.228710][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 131.228711][ T71] ? update_load_avg (kernel/sched/fair.c:5864) [ 131.228714][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 131.228716][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 131.228717][ T71] process_one_work (kernel/workqueue.c:3387) [ 131.228720][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 131.228722][ T71] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 131.228724][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 131.228726][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 131.228728][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 131.228730][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 131.228732][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 131.228734][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 131.228736][ T71] kthread (kernel/kthread.c:436) [ 131.228737][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 131.228739][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 131.228741][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 131.228742][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 131.228744][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 131.228747][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 131.228749][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 133.133279][ T2842] softirqs last disabled at (0): 0x0 | [ 133.133281][ T2842] Preemption disabled at: | [ 133.133282][ T2842] vprintk_emit (kernel/printk/printk.c:2471) | [ 133.133292][ T2842] Tainted: [W]=WARN [ 133.133293][ T2842] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 133.133295][ T2842] Call Trace: [ 133.133296][ T2842] [ 133.133298][ T2842] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 133.133303][ T2842] ? vprintk_emit (kernel/printk/printk.c:2471) [ 133.133304][ T2842] __might_resched.cold (kernel/sched/core.c:9234) [ 133.133308][ T2842] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 133.133311][ T2842] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 133.133315][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.133317][ T2842] __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)) [ 133.133320][ T2842] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 133.133323][ T2842] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 133.133328][ T2842] ? 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) [ 133.133330][ T2842] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 133.133332][ T2842] put_chars (drivers/char/virtio_console.c:1176) [ 133.133334][ T2842] ? __send_to_port (drivers/char/virtio_console.c:654) [ 133.133335][ T2842] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 133.133338][ T2842] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 133.133343][ T2842] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 133.133345][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.133346][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 133.133349][ T2842] console_emit_next_record (kernel/printk/printk.c:3183) [ 133.133352][ T2842] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 133.133354][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.133355][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.133356][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.133357][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 133.133359][ T2842] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 133.133361][ T2842] console_flush_one_record (kernel/printk/printk.c:3268) [ 133.133363][ T2842] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 133.133366][ T2842] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 133.133368][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 133.133369][ T2842] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 133.133371][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.133372][ T2842] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 133.133374][ T2842] ? 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) [ 133.133375][ T2842] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 133.133377][ T2842] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 133.133379][ T2842] ? vprintk_emit (kernel/printk/printk.c:2478) [ 133.133380][ T2842] vprintk_emit (kernel/printk/printk.c:2479) [ 133.133382][ T2842] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 133.133383][ T2842] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 133.133385][ T2842] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 133.133388][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 133.133389][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.133390][ T2842] _printk (kernel/printk/printk.c:2504) [ 133.133393][ T2842] ? snapshot_read.cold (user.c:?) [ 133.133395][ T2842] ? br_multicast_flood (??:?) [ 133.133399][ T2842] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 133.133401][ T2842] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 133.133402][ T2842] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 133.133404][ T2842] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 133.133407][ T2842] br_init_port (net/bridge/br_stp_if.c:39) [ 133.133409][ T2842] new_nbp (net/bridge/br_if.c:449) [ 133.133411][ T2842] br_add_if (net/bridge/br_if.c:592) [ 133.133413][ T2842] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 133.133416][ T2842] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 133.133419][ T2842] do_set_master (net/core/rtnetlink.c:3071) [ 133.133420][ T2842] ? netif_change_flags (net/core/dev.c:9882) [ 133.133423][ T2842] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 133.133424][ T2842] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 133.133426][ T2842] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 133.133427][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.133428][ T2842] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 133.133432][ T2842] ? kasan_save_stack (mm/kasan/common.c:58) [ 133.133434][ T2842] ? kasan_save_stack (mm/kasan/common.c:57) [ 133.133435][ T2842] ? kasan_save_track (mm/kasan/common.c:78) [ 133.133436][ T2842] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 133.133437][ T2842] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 133.133438][ T2842] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 133.133439][ T2842] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 133.133440][ T2842] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 133.133443][ T2842] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 133.133445][ T2842] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 133.133446][ T2842] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 133.133449][ T2842] ? ____sys_sendmsg (net/socket.c:2713) [ 133.133450][ T2842] ? ___sys_sendmsg (net/socket.c:2767) [ 133.133451][ T2842] ? __sys_sendmsg (net/socket.c:2799) [ 133.133453][ T2842] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 133.133456][ T2842] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 133.133459][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.133460][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 133.133462][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.133463][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.133464][ T2842] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 133.133465][ T2842] ? __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) [ 133.133467][ T2842] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 133.133468][ T2842] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 133.133470][ T2842] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 133.133471][ T2842] ? nla_get_range_signed (lib/nlattr.c:270) [ 133.133474][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.133475][ T2842] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 133.133477][ T2842] rtnl_newlink (net/core/rtnetlink.c:4215) [ 133.133479][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.133480][ T2842] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 133.133482][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 133.133483][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.133484][ T2842] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 133.133487][ T2842] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 133.133489][ T2842] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 133.133490][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.133491][ T2842] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 133.133494][ T2842] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 133.133497][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.133498][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 133.133499][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.133500][ T2842] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 133.133502][ T2842] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 133.133503][ T2842] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 133.133505][ T2842] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 133.133506][ T2842] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 133.133509][ T2842] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 133.133510][ T2842] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 133.133512][ T2842] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 133.133513][ T2842] ? netlink_ack (./include/linux/skbuff.h:2718) [ 133.133515][ T2842] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 133.133518][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.133519][ T2842] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 133.133521][ T2842] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 133.133523][ T2842] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 133.133525][ T2842] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 133.133527][ T2842] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 133.133529][ T2842] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 133.133531][ T2842] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 133.133533][ T2842] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 133.133534][ T2842] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 133.133538][ T2842] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 133.133539][ T2842] ____sys_sendmsg (net/socket.c:2713) [ 133.133541][ T2842] ? copy_msghdr_from_user (net/socket.c:2650) [ 133.133543][ T2842] ? sock_write_iter (net/socket.c:1269) [ 133.133544][ T2842] ? move_addr_to_kernel (net/socket.c:258) [ 133.133546][ T2842] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 133.133548][ T2842] ___sys_sendmsg (net/socket.c:2767) [ 133.133550][ T2842] ? copy_msghdr_from_user (net/socket.c:2619) [ 133.133555][ T2842] __sys_sendmsg (net/socket.c:2799) [ 133.133557][ T2842] ? __sys_sendmsg_sock (net/socket.c:2780) [ 133.133560][ T2842] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.133562][ T2842] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 133.133563][ T2842] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 133.133565][ T2842] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 133.133567][ T2842] RIP: 0033:0x7fea7396454e [ 133.133569][ T2842] 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 [ 133.133571][ T2842] RSP: 002b:00007ffefa652e60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 133.133574][ T2842] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fea7396454e [ 133.133576][ T2842] RDX: 0000000000000000 RSI: 00007ffefa652f10 RDI: 0000000000000005 [ 133.133577][ T2842] RBP: 00007ffefa652e70 R08: 0000000000000000 R09: 0000000000000000 [ 133.133578][ T2842] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91404f [ 133.133578][ T2842] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefa6535e0 | [ 140.531475][ T71] softirqs last disabled at (474234): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 140.531477][ T71] Preemption disabled at: | [ 140.531478][ T71] 0x0 | [ 140.531487][ T71] Tainted: [W]=WARN [ 140.531488][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 140.531490][ T71] Workqueue: netns cleanup_net [ 140.531496][ T71] Call Trace: [ 140.531498][ T71] [ 140.531499][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 140.531505][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 140.531508][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 140.531512][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.531515][ T71] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 140.531518][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 140.531521][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 140.531525][ T71] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 140.531527][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 140.531530][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 140.531531][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 140.531532][ T71] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 140.531535][ T71] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 140.531538][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 140.531543][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 140.531544][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 140.531546][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.531549][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 140.531551][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 140.531553][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.531554][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.531556][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.531557][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.531558][ T71] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 140.531560][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 140.531563][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 140.531565][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 140.531567][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.531569][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 140.531571][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.531572][ T71] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 140.531573][ T71] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 140.531575][ T71] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 140.531576][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 140.531578][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 140.531580][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 140.531581][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 140.531582][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.531583][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 140.531587][ T71] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 140.531589][ T71] _printk (kernel/printk/printk.c:2504) [ 140.531591][ T71] ? snapshot_read.cold (user.c:?) [ 140.531594][ T71] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 140.531597][ T71] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 140.531600][ T71] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 140.531602][ T71] br_device_event (net/bridge/br.c:111) [ 140.531604][ T71] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 140.531606][ T71] ? packet_sendmsg_spkt (af_packet.c:?) [ 140.531608][ T71] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 140.531611][ T71] notifier_call_chain (kernel/notifier.c:85) [ 140.531614][ T71] netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829) [ 140.531616][ T71] ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22)) [ 140.531619][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.531620][ T71] ? __dev_close_many (net/core/dev.c:1804) [ 140.531622][ T71] ? netif_close_many_and_unlock (net/core/dev.c:12411) [ 140.531624][ T71] unregister_netdevice_many_notify (net/core/dev.c:12487) [ 140.531626][ T71] ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 140.531628][ T71] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 140.531631][ T71] ? kthread (kernel/kthread.c:436) [ 140.531632][ T71] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 140.531635][ T71] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 140.531638][ T71] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 140.531639][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.531640][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 140.531643][ T71] default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288) [ 140.531644][ T71] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1)) [ 140.531645][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.531647][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 140.531648][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 140.531650][ T71] ? fou_exit_net (net/ipv4/fou_core.c:1228) [ 140.531653][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 140.531655][ T71] ? netns_install (./include/linux/ns_common.h:26) [ 140.531657][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 140.531660][ T71] cleanup_net (net/core/net_namespace.c:706) [ 140.531662][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 140.531664][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.531665][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.531667][ T71] process_one_work (kernel/workqueue.c:3387) [ 140.531669][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 140.531672][ T71] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 140.531674][ T71] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 140.531676][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 140.531678][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 140.531680][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 140.531682][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 140.531684][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 140.531685][ T71] kthread (kernel/kthread.c:436) [ 140.531687][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 140.531688][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 140.531690][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 140.531692][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 140.531694][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 140.531697][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock __fib6_clean_all:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print addrconf_permanent_addr:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars