====================================== | [ 9.209681][ T182] softirqs last disabled at (25212): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 9.209684][ T182] Preemption disabled at: | [ 9.209684][ T182] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.209694][ T182] Tainted: [W]=WARN [ 9.209694][ T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.209696][ T182] Call Trace: [ 9.209697][ T182] [ 9.209699][ T182] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.209705][ T182] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.209707][ T182] __might_resched.cold (kernel/sched/core.c:9234) [ 9.209711][ T182] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.209715][ T182] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.209720][ T182] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.209722][ T182] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.209729][ T182] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.209731][ T182] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.209734][ T182] put_chars (drivers/char/virtio_console.c:1176) [ 9.209737][ T182] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 9.209739][ T182] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.209742][ T182] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 9.209748][ T182] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.209755][ T182] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.209758][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.209761][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.209765][ T182] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.209768][ T182] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.209772][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.209775][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.209782][ T182] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.209788][ T182] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.209790][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.209795][ T182] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.209798][ T182] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.209799][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.209801][ T182] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.209805][ T182] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.209807][ T182] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.209809][ T182] vprintk_emit (kernel/printk/printk.c:2479) [ 9.209813][ T182] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.209815][ T182] ? save_trace (kernel/locking/lockdep.c:589) [ 9.209819][ T182] _printk (kernel/printk/printk.c:2504) [ 9.209822][ T182] ? snapshot_read.cold (user.c:?) [ 9.209826][ T182] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 9.209828][ T182] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 9.209832][ T182] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 9.209834][ T182] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.209837][ T182] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 9.209839][ T182] ? netdev_notice (net/core/dev.c:13194) [ 9.209841][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.209844][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.209847][ T182] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.209851][ T182] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.209853][ T182] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 9.209856][ T182] ? register_netdev (net/core/dev.c:11618) [ 9.209858][ T182] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 9.209863][ T182] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 9.209866][ T182] ? __kernel_text_address (kernel/extable.c:79) [ 9.209868][ T182] ? write_profile (profile.c:?) [ 9.209872][ T182] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 9.209878][ T182] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.209881][ T182] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 9.209884][ T182] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 9.209885][ T182] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 9.209889][ T182] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 9.209892][ T182] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.209894][ T182] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.209896][ T182] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.209899][ T182] ? kasan_save_stack (mm/kasan/common.c:58) [ 9.209902][ T182] ? kasan_save_stack (mm/kasan/common.c:57) [ 9.209904][ T182] ? kasan_save_track (mm/kasan/common.c:78) [ 9.209907][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.209910][ T182] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 9.209913][ T182] ? ___sys_sendmsg (net/socket.c:2757) [ 9.209918][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.209920][ T182] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 9.209923][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.209925][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.209927][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.209929][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.209930][ T182] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 9.209933][ T182] ? __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) [ 9.209936][ T182] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 9.209938][ T182] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 9.209942][ T182] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 9.209943][ T182] ? nla_get_range_signed (lib/nlattr.c:270) [ 9.209949][ T182] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 9.209955][ T182] rtnl_newlink (net/core/rtnetlink.c:4215) [ 9.209961][ T182] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.209963][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.209968][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.209970][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.209972][ T182] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.209974][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.209978][ T182] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.209980][ T182] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.209984][ T182] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.209986][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.209990][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.209993][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.209996][ T182] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.209998][ T182] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.210001][ T182] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.210007][ T182] ? 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)) [ 9.210009][ T182] ? 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)) [ 9.210016][ T182] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.210021][ T182] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.210024][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.210028][ T182] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.210032][ T182] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.210036][ T182] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.210042][ T182] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 9.210044][ T182] ? copy_msghdr_from_user (net/socket.c:2650) [ 9.210046][ T182] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 9.210047][ T182] ? move_addr_to_kernel (net/socket.c:258) [ 9.210054][ T182] ___sys_sendmsg (net/socket.c:2767) [ 9.210057][ T182] ? copy_msghdr_from_user (net/socket.c:2619) [ 9.210075][ T182] __sys_sendmsg (net/socket.c:2799) [ 9.210078][ T182] ? __sys_sendmsg_sock (net/socket.c:2780) [ 9.210084][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.210087][ T182] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.210089][ T182] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.210093][ T182] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.210095][ T182] RIP: 0033:0x7f1de9bc754e [ 9.210099][ T182] 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 [ 9.210100][ T182] RSP: 002b:00007ffd2a0a4ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 9.210103][ T182] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1de9bc754e [ 9.210104][ T182] RDX: 0000000000000000 RSI: 00007ffd2a0a4f50 RDI: 0000000000000005 [ 9.210105][ T182] RBP: 00007ffd2a0a4eb0 R08: 0000000000000000 R09: 0000000000000000 [ 9.210106][ T182] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afbd [ 9.210107][ T182] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2a0a5610 | [ 11.381088][ T233] softirqs last disabled at (46684): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 11.381090][ T233] Preemption disabled at: | [ 11.381091][ T233] 0x0 | [ 11.381102][ T233] Tainted: [W]=WARN [ 11.381103][ T233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.381105][ T233] Call Trace: [ 11.381106][ T233] [ 11.381108][ T233] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.381114][ T233] __might_resched.cold (kernel/sched/core.c:9234) [ 11.381118][ T233] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.381122][ T233] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.381127][ T233] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 11.381130][ T233] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.381136][ T233] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 11.381138][ T233] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.381142][ T233] put_chars (drivers/char/virtio_console.c:1176) [ 11.381144][ T233] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 11.381147][ T233] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.381154][ T233] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.381161][ T233] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.381164][ T233] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.381169][ T233] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.381172][ T233] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.381176][ T233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.381180][ T233] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.381184][ T233] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.381188][ T233] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.381189][ T233] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.381195][ T233] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.381197][ T233] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.381199][ T233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.381200][ T233] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.381204][ T233] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.381206][ T233] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.381209][ T233] vprintk_emit (kernel/printk/printk.c:2479) [ 11.381212][ T233] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.381214][ T233] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.381217][ T233] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.381219][ T233] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.381224][ T233] _printk (kernel/printk/printk.c:2504) [ 11.381227][ T233] ? snapshot_read.cold (user.c:?) [ 11.381234][ T233] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 11.381238][ T233] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 11.381242][ T233] br_device_event (net/bridge/br.c:111) [ 11.381244][ T233] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 11.381248][ T233] ? packet_sendmsg_spkt (af_packet.c:?) [ 11.381254][ T233] notifier_call_chain (kernel/notifier.c:85) [ 11.381260][ T233] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 11.381264][ T233] ? netif_change_name (net/core/dev.c:1517) [ 11.381267][ T233] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 11.381269][ T233] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 11.381272][ T233] ? __kernel_text_address (kernel/extable.c:79) [ 11.381275][ T233] ? write_profile (profile.c:?) [ 11.381280][ T233] netif_change_flags (net/core/dev.c:9882) [ 11.381284][ T233] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 11.381287][ T233] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.381290][ T233] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.381292][ T233] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.381294][ T233] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.381297][ T233] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.381299][ T233] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.381301][ T233] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.381304][ T233] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.381306][ T233] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.381307][ T233] ? kasan_save_track (mm/kasan/common.c:78) [ 11.381310][ T233] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.381312][ T233] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 11.381315][ T233] ? ___sys_sendmsg (net/socket.c:2757) [ 11.381319][ T233] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.381321][ T233] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.381325][ T233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.381327][ T233] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.381328][ T233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.381330][ T233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.381332][ T233] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.381334][ T233] ? __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) [ 11.381336][ T233] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.381338][ T233] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.381342][ T233] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.381347][ T233] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.381352][ T233] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.381358][ T233] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.381360][ T233] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.381365][ T233] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.381367][ T233] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.381370][ T233] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.381372][ T233] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.381376][ T233] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.381378][ T233] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.381382][ T233] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.381384][ T233] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.381388][ T233] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.381390][ T233] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.381394][ T233] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.381396][ T233] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.381399][ T233] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.381405][ T233] ? 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)) [ 11.381407][ T233] ? 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)) [ 11.381411][ T233] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.381415][ T233] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.381418][ T233] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.381422][ T233] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.381426][ T233] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.381430][ T233] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.381436][ T233] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 11.381438][ T233] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.381440][ T233] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 11.381441][ T233] ? move_addr_to_kernel (net/socket.c:258) [ 11.381448][ T233] ___sys_sendmsg (net/socket.c:2767) [ 11.381451][ T233] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.381466][ T233] __sys_sendmsg (net/socket.c:2799) [ 11.381469][ T233] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.381475][ T233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.381478][ T233] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.381480][ T233] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.381483][ T233] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.381485][ T233] RIP: 0033:0x7f7a73ee954e [ 11.381488][ T233] 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 [ 11.381489][ T233] RSP: 002b:00007fffe10f1230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.381492][ T233] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7a73ee954e [ 11.381493][ T233] RDX: 0000000000000000 RSI: 00007fffe10f12e0 RDI: 0000000000000005 [ 11.381494][ T233] RBP: 00007fffe10f1240 R08: 0000000000000000 R09: 0000000000000000 [ 11.381495][ T233] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afbf [ 11.381496][ T233] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe10f19a0 | [ 13.516781][ T39] softirqs last disabled at (52590): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 13.516785][ T39] Preemption disabled at: | [ 13.516786][ T39] 0x0 | [ 13.516800][ T39] Tainted: [W]=WARN [ 13.516801][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.516803][ T39] Workqueue: events_unbound linkwatch_event [ 13.516808][ T39] Call Trace: [ 13.516811][ T39] [ 13.516813][ T39] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.516821][ T39] __might_resched.cold (kernel/sched/core.c:9234) [ 13.516828][ T39] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.516833][ T39] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.516841][ T39] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 13.516845][ T39] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.516855][ T39] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 13.516858][ T39] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.516864][ T39] put_chars (drivers/char/virtio_console.c:1176) [ 13.516869][ T39] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.516875][ T39] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.516885][ T39] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.516897][ T39] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.516902][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.516906][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.516914][ T39] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.516920][ T39] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.516928][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.516931][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.516939][ T39] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.516946][ T39] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.516948][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.516958][ T39] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.516962][ T39] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.516965][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.516968][ T39] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.516975][ T39] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.516978][ T39] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.516983][ T39] vprintk_emit (kernel/printk/printk.c:2479) [ 13.516989][ T39] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.516993][ T39] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.516997][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.517005][ T39] _printk (kernel/printk/printk.c:2504) [ 13.517010][ T39] ? snapshot_read.cold (user.c:?) [ 13.517019][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.517026][ T39] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 13.517032][ T39] br_init_port (net/bridge/br_stp_if.c:39) [ 13.517037][ T39] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 13.517040][ T39] br_port_carrier_check (net/bridge/br_if.c:90) [ 13.517047][ T39] br_device_event (net/bridge/br.c:101) [ 13.517052][ T39] ? packet_sendmsg_spkt (af_packet.c:?) [ 13.517054][ T39] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 13.517070][ T39] notifier_call_chain (kernel/notifier.c:85) [ 13.517080][ T39] netif_state_change (net/core/dev.c:1625) [ 13.517087][ T39] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 13.517095][ T39] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 13.517099][ T39] __linkwatch_run_queue (net/core/link_watch.c:240) [ 13.517104][ T39] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 13.517109][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.517117][ T39] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 13.517122][ T39] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 13.517128][ T39] process_one_work (kernel/workqueue.c:3387) [ 13.517139][ T39] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 13.517144][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.517158][ T39] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 13.517171][ T39] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.517173][ T39] kthread (kernel/kthread.c:436) [ 13.517177][ T39] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.517182][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 13.517187][ T39] ret_from_fork (arch/x86/kernel/process.c:158) [ 13.517193][ T39] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 13.517199][ T39] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 13.517204][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 13.517209][ T39] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 14.839587][ T241] softirqs last disabled at (43285): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.839590][ T241] Preemption disabled at: | [ 14.839591][ T241] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.839600][ T241] Tainted: [W]=WARN [ 14.839601][ T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.839603][ T241] Call Trace: [ 14.839604][ T241] [ 14.839606][ T241] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.839611][ T241] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.839613][ T241] __might_resched.cold (kernel/sched/core.c:9234) [ 14.839618][ T241] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.839621][ T241] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.839627][ T241] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 14.839629][ T241] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.839636][ T241] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 14.839638][ T241] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.839642][ T241] put_chars (drivers/char/virtio_console.c:1176) [ 14.839645][ T241] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.839649][ T241] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.839653][ T241] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.839656][ T241] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.839660][ T241] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.839664][ T241] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.839672][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.839674][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.839678][ T241] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.839681][ T241] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.839683][ T241] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.839686][ T241] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.839690][ T241] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.839693][ T241] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.839697][ T241] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.839699][ T241] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.839704][ T241] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.839707][ T241] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.839709][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.839714][ T241] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.839717][ T241] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.839718][ T241] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.839720][ T241] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.839724][ T241] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.839726][ T241] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.839729][ T241] vprintk_emit (kernel/printk/printk.c:2479) [ 14.839732][ T241] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.839737][ T241] _printk (kernel/printk/printk.c:2504) [ 14.839741][ T241] ? snapshot_read.cold (user.c:?) [ 14.839744][ T241] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 14.839746][ T241] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.839750][ T241] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 14.839753][ T241] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 14.839756][ T241] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 14.839759][ T241] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 14.839762][ T241] ? netdev_notice (net/core/dev.c:13194) [ 14.839766][ T241] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 14.839769][ T241] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 14.839773][ T241] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 14.839777][ T241] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 14.839782][ T241] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 14.839786][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 14.839788][ T241] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.839791][ T241] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.839798][ T241] ? packet_sendmsg_spkt (af_packet.c:?) [ 14.839803][ T241] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 14.839805][ T241] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 14.839808][ T241] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 14.839813][ T241] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 14.839819][ T241] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 14.839820][ T241] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 14.839822][ T241] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 14.839824][ T241] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 14.839831][ T241] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 14.839833][ T241] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.839835][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.839837][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.839839][ T241] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 14.839860][ T241] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.839862][ T241] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.839865][ T241] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.839867][ T241] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.839870][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.839874][ T241] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.839877][ T241] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.839879][ T241] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 14.839881][ T241] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.839885][ T241] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 14.839887][ T241] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.839891][ T241] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.839893][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.839897][ T241] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.839900][ T241] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.839903][ T241] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.839906][ T241] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.839910][ T241] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.839916][ T241] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 14.839918][ T241] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 14.839922][ T241] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.839926][ T241] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.839928][ T241] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.839933][ T241] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.839937][ T241] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.839940][ T241] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.839946][ T241] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 14.839949][ T241] ? copy_msghdr_from_user (net/socket.c:2650) [ 14.839951][ T241] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 14.839953][ T241] ? move_addr_to_kernel (net/socket.c:258) [ 14.839960][ T241] ___sys_sendmsg (net/socket.c:2767) [ 14.839962][ T241] ? copy_msghdr_from_user (net/socket.c:2619) [ 14.839977][ T241] __sys_sendmsg (net/socket.c:2799) [ 14.839980][ T241] ? __sys_sendmsg_sock (net/socket.c:2780) [ 14.839986][ T241] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.839989][ T241] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.839991][ T241] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.839994][ T241] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.839996][ T241] RIP: 0033:0x7fb1337e254e [ 14.840000][ T241] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 14.840002][ T241] RSP: 002b:00007fff14262ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.840004][ T241] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb1337e254e [ 14.840006][ T241] RDX: 0000000000000000 RSI: 00007fff14262b70 RDI: 0000000000000005 [ 14.840007][ T241] RBP: 00007fff14262ad0 R08: 0000000000000000 R09: 0000000000000000 [ 14.840007][ T241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afc3 [ 14.840008][ T241] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff14263230 | [ 16.610838][ T256] softirqs last disabled at (34050): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 16.610840][ T256] Preemption disabled at: | [ 16.610841][ T256] 0x0 | [ 16.610852][ T256] Tainted: [W]=WARN [ 16.610853][ T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.610855][ T256] Call Trace: [ 16.610857][ T256] [ 16.610858][ T256] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.610864][ T256] __might_resched.cold (kernel/sched/core.c:9234) [ 16.610869][ T256] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.610873][ T256] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.610880][ T256] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 16.610884][ T256] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.610893][ T256] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 16.610896][ T256] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.610901][ T256] put_chars (drivers/char/virtio_console.c:1176) [ 16.610905][ T256] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 16.610909][ T256] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.610917][ T256] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.610924][ T256] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.610928][ T256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.610933][ T256] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.610936][ T256] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.610940][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.610944][ T256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.610948][ T256] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.610952][ T256] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.610954][ T256] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.610959][ T256] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.610962][ T256] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.610963][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.610965][ T256] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.610969][ T256] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.610971][ T256] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.610974][ T256] vprintk_emit (kernel/printk/printk.c:2479) [ 16.610978][ T256] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.610979][ T256] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.610982][ T256] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.610985][ T256] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.610989][ T256] _printk (kernel/printk/printk.c:2504) [ 16.610993][ T256] ? snapshot_read.cold (user.c:?) [ 16.611000][ T256] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 16.611004][ T256] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 16.611008][ T256] br_device_event (net/bridge/br.c:111) [ 16.611011][ T256] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 16.611015][ T256] ? packet_sendmsg_spkt (af_packet.c:?) [ 16.611021][ T256] notifier_call_chain (kernel/notifier.c:85) [ 16.611027][ T256] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 16.611031][ T256] ? netif_change_name (net/core/dev.c:1517) [ 16.611034][ T256] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 16.611037][ T256] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 16.611040][ T256] ? __kernel_text_address (kernel/extable.c:79) [ 16.611042][ T256] ? write_profile (profile.c:?) [ 16.611047][ T256] netif_change_flags (net/core/dev.c:9882) [ 16.611051][ T256] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 16.611055][ T256] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 16.611057][ T256] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 16.611059][ T256] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 16.611063][ T256] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 16.611066][ T256] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.611069][ T256] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.611071][ T256] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.611074][ T256] ? kasan_save_stack (mm/kasan/common.c:58) [ 16.611076][ T256] ? kasan_save_stack (mm/kasan/common.c:57) [ 16.611077][ T256] ? kasan_save_track (mm/kasan/common.c:78) [ 16.611080][ T256] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.611082][ T256] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 16.611085][ T256] ? ___sys_sendmsg (net/socket.c:2757) [ 16.611090][ T256] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.611092][ T256] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 16.611095][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.611097][ T256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.611099][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.611100][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.611102][ T256] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 16.611105][ T256] ? __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) [ 16.611107][ T256] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 16.611109][ T256] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 16.611113][ T256] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 16.611118][ T256] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 16.611124][ T256] rtnl_newlink (net/core/rtnetlink.c:4215) [ 16.611130][ T256] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.611132][ T256] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.611137][ T256] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.611139][ T256] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.611142][ T256] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.611144][ T256] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.611148][ T256] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.611151][ T256] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 16.611155][ T256] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 16.611156][ T256] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.611161][ T256] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.611164][ T256] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.611167][ T256] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 16.611169][ T256] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 16.611173][ T256] ? netlink_ack (./include/linux/skbuff.h:2718) [ 16.611179][ T256] ? 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)) [ 16.611181][ T256] ? 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)) [ 16.611185][ T256] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 16.611189][ T256] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 16.611192][ T256] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.611196][ T256] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 16.611200][ T256] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 16.611205][ T256] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 16.611210][ T256] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 16.611212][ T256] ? copy_msghdr_from_user (net/socket.c:2650) [ 16.611215][ T256] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 16.611216][ T256] ? move_addr_to_kernel (net/socket.c:258) [ 16.611223][ T256] ___sys_sendmsg (net/socket.c:2767) [ 16.611226][ T256] ? copy_msghdr_from_user (net/socket.c:2619) [ 16.611242][ T256] __sys_sendmsg (net/socket.c:2799) [ 16.611244][ T256] ? __sys_sendmsg_sock (net/socket.c:2780) [ 16.611250][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.611254][ T256] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.611256][ T256] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.611259][ T256] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.611261][ T256] RIP: 0033:0x7f418d06354e [ 16.611264][ T256] 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 [ 16.611266][ T256] RSP: 002b:00007ffee71d3c20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 16.611268][ T256] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f418d06354e [ 16.611270][ T256] RDX: 0000000000000000 RSI: 00007ffee71d3cd0 RDI: 0000000000000005 [ 16.611271][ T256] RBP: 00007ffee71d3c30 R08: 0000000000000000 R09: 0000000000000000 [ 16.611272][ T256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afc5 [ 16.611272][ T256] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee71d4390 | [ 18.724567][ T207] softirqs last disabled at (584): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 18.724570][ T207] Preemption disabled at: | [ 18.724571][ T207] 0x0 | [ 18.724582][ T207] Tainted: [W]=WARN [ 18.724582][ T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.724584][ T207] Workqueue: events_unbound linkwatch_event [ 18.724588][ T207] Call Trace: [ 18.724590][ T207] [ 18.724592][ T207] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.724598][ T207] __might_resched.cold (kernel/sched/core.c:9234) [ 18.724602][ T207] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.724606][ T207] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.724612][ T207] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 18.724615][ T207] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.724621][ T207] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 18.724623][ T207] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.724627][ T207] put_chars (drivers/char/virtio_console.c:1176) [ 18.724630][ T207] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.724634][ T207] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.724640][ T207] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.724648][ T207] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.724651][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.724655][ T207] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.724660][ T207] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.724663][ T207] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.724668][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.724670][ T207] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.724674][ T207] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.724686][ T207] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.724688][ T207] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.724694][ T207] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.724696][ T207] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.724698][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.724700][ T207] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.724704][ T207] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.724706][ T207] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.724709][ T207] vprintk_emit (kernel/printk/printk.c:2479) [ 18.724712][ T207] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.724715][ T207] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.724717][ T207] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.724722][ T207] _printk (kernel/printk/printk.c:2504) [ 18.724726][ T207] ? snapshot_read.cold (user.c:?) [ 18.724731][ T207] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.724736][ T207] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 18.724739][ T207] br_init_port (net/bridge/br_stp_if.c:39) [ 18.724742][ T207] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 18.724744][ T207] br_port_carrier_check (net/bridge/br_if.c:90) [ 18.724748][ T207] br_device_event (net/bridge/br.c:101) [ 18.724752][ T207] ? packet_sendmsg_spkt (af_packet.c:?) [ 18.724754][ T207] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 18.724761][ T207] notifier_call_chain (kernel/notifier.c:85) [ 18.724767][ T207] netif_state_change (net/core/dev.c:1625) [ 18.724771][ T207] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 18.724776][ T207] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 18.724778][ T207] __linkwatch_run_queue (net/core/link_watch.c:240) [ 18.724782][ T207] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 18.724785][ T207] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.724790][ T207] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 18.724793][ T207] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 18.724797][ T207] process_one_work (kernel/workqueue.c:3387) [ 18.724803][ T207] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 18.724806][ T207] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 18.724814][ T207] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 18.724817][ T207] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.724819][ T207] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 18.724823][ T207] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.724825][ T207] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 18.724827][ T207] kthread (kernel/kthread.c:436) [ 18.724829][ T207] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.724832][ T207] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.724835][ T207] ret_from_fork (arch/x86/kernel/process.c:158) [ 18.724840][ T207] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 18.724844][ T207] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 18.724847][ T207] ? kthread_affine_preferred (kernel/kthread.c:857) [ 18.724850][ T207] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 19.982787][ T264] softirqs last disabled at (48474): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 19.982791][ T264] Preemption disabled at: | [ 19.982792][ T264] vprintk_emit (kernel/printk/printk.c:2471) | [ 19.982805][ T264] Tainted: [W]=WARN [ 19.982806][ T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.982808][ T264] Call Trace: [ 19.982811][ T264] [ 19.982813][ T264] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.982820][ T264] ? vprintk_emit (kernel/printk/printk.c:2471) [ 19.982823][ T264] __might_resched.cold (kernel/sched/core.c:9234) [ 19.982829][ T264] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.982834][ T264] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.982842][ T264] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 19.982846][ T264] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.982856][ T264] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 19.982859][ T264] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.982865][ T264] put_chars (drivers/char/virtio_console.c:1176) [ 19.982870][ T264] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.982876][ T264] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.982881][ T264] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 19.982885][ T264] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.982892][ T264] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.982897][ T264] ? mark_usage (kernel/locking/lockdep.c:4690) [ 19.982900][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.982903][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.982910][ T264] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.982915][ T264] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 19.982920][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.982923][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.982931][ T264] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.982936][ T264] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.982943][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.982947][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.982954][ T264] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.982961][ T264] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.982963][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.982973][ T264] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.982977][ T264] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.982979][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.982982][ T264] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.982989][ T264] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.982992][ T264] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.982997][ T264] vprintk_emit (kernel/printk/printk.c:2479) [ 19.983003][ T264] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.983013][ T264] _printk (kernel/printk/printk.c:2504) [ 19.983018][ T264] ? snapshot_read.cold (user.c:?) [ 19.983024][ T264] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 19.983027][ T264] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 19.983030][ T264] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 19.983034][ T264] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 19.983038][ T264] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 19.983044][ T264] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 19.983048][ T264] ? netdev_notice (net/core/dev.c:13194) [ 19.983056][ T264] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 19.983063][ T264] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 19.983070][ T264] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 19.983075][ T264] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 19.983084][ T264] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 19.983089][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 19.983093][ T264] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.983098][ T264] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.983111][ T264] ? packet_sendmsg_spkt (af_packet.c:?) [ 19.983119][ T264] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 19.983122][ T264] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 19.983126][ T264] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 19.983135][ T264] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 19.983144][ T264] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 19.983147][ T264] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 19.983150][ T264] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 19.983153][ T264] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 19.983165][ T264] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 19.983168][ T264] ? mark_usage (kernel/locking/lockdep.c:4690) [ 19.983172][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.983174][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.983178][ T264] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 19.983219][ T264] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.983222][ T264] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.983228][ T264] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.983231][ T264] ? mark_usage (kernel/locking/lockdep.c:4690) [ 19.983235][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.983243][ T264] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.983246][ T264] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.983250][ T264] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 19.983253][ T264] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.983260][ T264] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 19.983264][ T264] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 19.983270][ T264] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 19.983273][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.983281][ T264] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 19.983284][ T264] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.983291][ T264] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 19.983295][ T264] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 19.983300][ T264] ? netlink_ack (./include/linux/skbuff.h:2718) [ 19.983312][ T264] ? 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)) [ 19.983314][ T264] ? 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)) [ 19.983322][ T264] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 19.983329][ T264] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 19.983333][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.983341][ T264] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 19.983347][ T264] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 19.983354][ T264] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 19.983363][ T264] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 19.983368][ T264] ? copy_msghdr_from_user (net/socket.c:2650) [ 19.983372][ T264] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 19.983374][ T264] ? move_addr_to_kernel (net/socket.c:258) [ 19.983387][ T264] ___sys_sendmsg (net/socket.c:2767) [ 19.983392][ T264] ? copy_msghdr_from_user (net/socket.c:2619) [ 19.983421][ T264] __sys_sendmsg (net/socket.c:2799) [ 19.983425][ T264] ? __sys_sendmsg_sock (net/socket.c:2780) [ 19.983436][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.983442][ T264] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 19.983444][ T264] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 19.983449][ T264] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 19.983452][ T264] RIP: 0033:0x7f8ad0d5854e [ 19.983457][ T264] 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 [ 19.983460][ T264] RSP: 002b:00007fff757b57e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 19.983464][ T264] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8ad0d5854e [ 19.983466][ T264] RDX: 0000000000000000 RSI: 00007fff757b5890 RDI: 0000000000000005 [ 19.983467][ T264] RBP: 00007fff757b57f0 R08: 0000000000000000 R09: 0000000000000000 [ 19.983469][ T264] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afc8 [ 19.983470][ T264] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff757b5f50 | [ 21.049340][ T12] softirqs last disabled at (2848): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 21.049343][ T12] Preemption disabled at: | [ 21.049343][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 21.049353][ T12] Tainted: [W]=WARN [ 21.049354][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.049356][ T12] Workqueue: bond0 bond_mii_monitor [ 21.049359][ T12] Call Trace: [ 21.049361][ T12] [ 21.049364][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.049369][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 21.049371][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 21.049375][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.049379][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 21.049384][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 21.049387][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.049393][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 21.049395][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.049400][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 21.049405][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.049408][ T12] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 21.049411][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.049415][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.049420][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.049424][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.049426][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.049431][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.049434][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.049437][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.049441][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.049445][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.049449][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.049451][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.049455][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.049458][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.049460][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.049465][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.049468][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.049469][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.049471][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 21.049475][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.049477][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.049480][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 21.049484][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.049485][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.049488][ T12] ? packet_notifier (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/packet/af_packet.c:4261 (discriminator 2)) [ 21.049494][ T12] _printk (kernel/printk/printk.c:2504) [ 21.049497][ T12] ? snapshot_read.cold (user.c:?) [ 21.049504][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 21.049508][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 21.049512][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 21.049514][ T12] ? netdev_notice (net/core/dev.c:13194) [ 21.049518][ T12] ? netdev_offload_xstats_get (net/core/dev.c:9434) [ 21.049526][ T12] bond_miimon_commit.cold (drivers/net/bonding/bond_main.c:2831 (discriminator 6)) [ 21.049532][ T12] ? bond_arp_monitor (drivers/net/bonding/bond_main.c:3901) [ 21.049534][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.049536][ T12] ? wait_for_completion_io (kernel/sched/completion.c:102 kernel/sched/completion.c:121 kernel/sched/completion.c:138 kernel/sched/completion.c:186) [ 21.049539][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.049541][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.049546][ T12] bond_mii_monitor (drivers/net/bonding/bond_main.c:2927) [ 21.049548][ T12] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 21.049550][ T12] ? bond_miimon_commit (drivers/net/bonding/bond_main.c:2850) [ 21.049552][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.049553][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.049556][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.049559][ T12] ? process_one_work (kernel/workqueue.c:3386) [ 21.049560][ T12] process_one_work (kernel/workqueue.c:3387) [ 21.049566][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 21.049569][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.049576][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 21.049583][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 21.049584][ T12] kthread (kernel/kthread.c:436) [ 21.049587][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 21.049590][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 21.049594][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 21.049598][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 21.049601][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 21.049605][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 21.049608][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 23.878900][ T37] softirqs last disabled at (50204): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 23.878902][ T37] Preemption disabled at: | [ 23.878903][ T37] 0x0 | [ 23.878915][ T37] Tainted: [W]=WARN [ 23.878915][ T37] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.878917][ T37] Workqueue: events_unbound linkwatch_event [ 23.878921][ T37] Call Trace: [ 23.878923][ T37] [ 23.878924][ T37] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 23.878930][ T37] __might_resched.cold (kernel/sched/core.c:9234) [ 23.878935][ T37] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.878938][ T37] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 23.878944][ T37] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 23.878947][ T37] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.878953][ T37] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 23.878955][ T37] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.878959][ T37] put_chars (drivers/char/virtio_console.c:1176) [ 23.878962][ T37] ? __send_to_port (drivers/char/virtio_console.c:654) [ 23.878966][ T37] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 23.878972][ T37] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 23.878979][ T37] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 23.878982][ T37] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.878986][ T37] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.878990][ T37] console_emit_next_record (kernel/printk/printk.c:3183) [ 23.878994][ T37] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 23.878998][ T37] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.879000][ T37] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.879005][ T37] console_flush_one_record (kernel/printk/printk.c:3268) [ 23.879009][ T37] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 23.879010][ T37] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 23.879016][ T37] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 23.879019][ T37] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 23.879020][ T37] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.879022][ T37] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 23.879026][ T37] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 23.879028][ T37] ? vprintk_emit (kernel/printk/printk.c:2478) [ 23.879031][ T37] vprintk_emit (kernel/printk/printk.c:2479) [ 23.879035][ T37] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 23.879037][ T37] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 23.879040][ T37] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 23.879045][ T37] _printk (kernel/printk/printk.c:2504) [ 23.879049][ T37] ? snapshot_read.cold (user.c:?) [ 23.879054][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.879062][ T37] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 23.879066][ T37] br_init_port (net/bridge/br_stp_if.c:39) [ 23.879069][ T37] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 23.879071][ T37] br_port_carrier_check (net/bridge/br_if.c:90) [ 23.879075][ T37] br_device_event (net/bridge/br.c:101) [ 23.879078][ T37] ? packet_sendmsg_spkt (af_packet.c:?) [ 23.879080][ T37] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 23.879087][ T37] notifier_call_chain (kernel/notifier.c:85) [ 23.879094][ T37] netif_state_change (net/core/dev.c:1625) [ 23.879098][ T37] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 23.879103][ T37] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 23.879105][ T37] __linkwatch_run_queue (net/core/link_watch.c:240) [ 23.879109][ T37] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 23.879112][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.879117][ T37] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 23.879119][ T37] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 23.879123][ T37] process_one_work (kernel/workqueue.c:3387) [ 23.879130][ T37] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 23.879132][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 23.879140][ T37] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 23.879147][ T37] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 23.879149][ T37] kthread (kernel/kthread.c:436) [ 23.879152][ T37] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 23.879155][ T37] ? kthread_affine_preferred (kernel/kthread.c:857) [ 23.879158][ T37] ret_from_fork (arch/x86/kernel/process.c:158) [ 23.879163][ T37] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 23.879166][ T37] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 23.879170][ T37] ? kthread_affine_preferred (kernel/kthread.c:857) [ 23.879173][ T37] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 25.075468][ T287] softirqs last disabled at (45070): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 25.075471][ T287] Preemption disabled at: | [ 25.075471][ T287] vprintk_emit (kernel/printk/printk.c:2471) | [ 25.075480][ T287] Tainted: [W]=WARN [ 25.075481][ T287] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.075483][ T287] Call Trace: [ 25.075485][ T287] [ 25.075486][ T287] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.075492][ T287] ? vprintk_emit (kernel/printk/printk.c:2471) [ 25.075493][ T287] __might_resched.cold (kernel/sched/core.c:9234) [ 25.075498][ T287] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.075501][ T287] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.075507][ T287] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 25.075510][ T287] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.075516][ T287] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 25.075518][ T287] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.075522][ T287] put_chars (drivers/char/virtio_console.c:1176) [ 25.075525][ T287] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.075529][ T287] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.075533][ T287] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.075536][ T287] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.075540][ T287] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.075544][ T287] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.075546][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.075548][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.075552][ T287] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.075555][ T287] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 25.075558][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.075560][ T287] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.075565][ T287] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.075568][ T287] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.075572][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.075574][ T287] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.075578][ T287] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.075582][ T287] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.075584][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.075589][ T287] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.075592][ T287] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.075593][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.075595][ T287] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 25.075599][ T287] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.075601][ T287] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.075604][ T287] vprintk_emit (kernel/printk/printk.c:2479) [ 25.075607][ T287] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.075613][ T287] _printk (kernel/printk/printk.c:2504) [ 25.075616][ T287] ? snapshot_read.cold (user.c:?) [ 25.075620][ T287] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 25.075622][ T287] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 25.075625][ T287] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 25.075628][ T287] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 25.075631][ T287] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 25.075634][ T287] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 25.075637][ T287] ? netdev_notice (net/core/dev.c:13194) [ 25.075641][ T287] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 25.075644][ T287] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 25.075649][ T287] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 25.075652][ T287] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 25.075658][ T287] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 25.075662][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 25.075664][ T287] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.075667][ T287] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.075674][ T287] ? packet_sendmsg_spkt (af_packet.c:?) [ 25.075680][ T287] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 25.075681][ T287] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 25.075685][ T287] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 25.075697][ T287] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 25.075702][ T287] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 25.075704][ T287] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 25.075706][ T287] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 25.075708][ T287] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 25.075715][ T287] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 25.075717][ T287] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.075719][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.075721][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.075723][ T287] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 25.075744][ T287] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.075746][ T287] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.075749][ T287] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.075752][ T287] ? mark_usage (kernel/locking/lockdep.c:4690) [ 25.075754][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.075759][ T287] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.075761][ T287] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.075763][ T287] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 25.075765][ T287] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.075769][ T287] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 25.075772][ T287] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 25.075775][ T287] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.075777][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.075782][ T287] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.075784][ T287] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.075787][ T287] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 25.075790][ T287] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.075794][ T287] ? netlink_ack (./include/linux/skbuff.h:2718) [ 25.075800][ T287] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 25.075802][ T287] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 25.075806][ T287] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 25.075810][ T287] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 25.075812][ T287] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.075817][ T287] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 25.075820][ T287] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 25.075824][ T287] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 25.075830][ T287] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 25.075833][ T287] ? copy_msghdr_from_user (net/socket.c:2650) [ 25.075835][ T287] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 25.075837][ T287] ? move_addr_to_kernel (net/socket.c:258) [ 25.075844][ T287] ___sys_sendmsg (net/socket.c:2767) [ 25.075846][ T287] ? copy_msghdr_from_user (net/socket.c:2619) [ 25.075861][ T287] __sys_sendmsg (net/socket.c:2799) [ 25.075864][ T287] ? __sys_sendmsg_sock (net/socket.c:2780) [ 25.075870][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.075873][ T287] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.075875][ T287] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.075877][ T287] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.075880][ T287] RIP: 0033:0x7fb718ee554e [ 25.075884][ T287] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 25.075885][ T287] RSP: 002b:00007ffe6487ba80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 25.075888][ T287] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb718ee554e [ 25.075890][ T287] RDX: 0000000000000000 RSI: 00007ffe6487bb30 RDI: 0000000000000005 [ 25.075890][ T287] RBP: 00007ffe6487ba90 R08: 0000000000000000 R09: 0000000000000000 [ 25.075891][ T287] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afcd [ 25.075892][ T287] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6487c1f0 | [ 26.608498][ T250] softirqs last disabled at (5302): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 26.608502][ T250] Preemption disabled at: | [ 26.608502][ T250] vprintk_emit (kernel/printk/printk.c:2471) | [ 26.608515][ T250] Tainted: [W]=WARN [ 26.608516][ T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.608519][ T250] Workqueue: bond0 bond_mii_monitor [ 26.608523][ T250] Call Trace: [ 26.608525][ T250] [ 26.608529][ T250] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.608536][ T250] ? vprintk_emit (kernel/printk/printk.c:2471) [ 26.608539][ T250] __might_resched.cold (kernel/sched/core.c:9234) [ 26.608545][ T250] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.608550][ T250] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.608558][ T250] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 26.608562][ T250] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.608571][ T250] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 26.608574][ T250] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.608580][ T250] put_chars (drivers/char/virtio_console.c:1176) [ 26.608585][ T250] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.608588][ T250] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 26.608593][ T250] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.608598][ T250] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.608606][ T250] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.608611][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.608614][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.608622][ T250] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.608629][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.608632][ T250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.608640][ T250] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.608646][ T250] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.608653][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.608657][ T250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.608664][ T250] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.608671][ T250] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.608673][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.608683][ T250] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.608687][ T250] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.608689][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.608698][ T250] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 26.608705][ T250] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.608708][ T250] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.608713][ T250] vprintk_emit (kernel/printk/printk.c:2479) [ 26.608719][ T250] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.608721][ T250] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.608726][ T250] ? packet_notifier (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/packet/af_packet.c:4261 (discriminator 2)) [ 26.608734][ T250] _printk (kernel/printk/printk.c:2504) [ 26.608739][ T250] ? snapshot_read.cold (user.c:?) [ 26.608747][ T250] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 26.608752][ T250] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 26.608758][ T250] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 26.608762][ T250] ? netdev_notice (net/core/dev.c:13194) [ 26.608769][ T250] ? netdev_offload_xstats_get (net/core/dev.c:9434) [ 26.608781][ T250] bond_miimon_commit.cold (drivers/net/bonding/bond_main.c:2831 (discriminator 6)) [ 26.608791][ T250] ? bond_arp_monitor (drivers/net/bonding/bond_main.c:3901) [ 26.608793][ T250] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.608797][ T250] ? wait_for_completion_io (kernel/sched/completion.c:102 kernel/sched/completion.c:121 kernel/sched/completion.c:138 kernel/sched/completion.c:186) [ 26.608802][ T250] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.608805][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.608813][ T250] bond_mii_monitor (drivers/net/bonding/bond_main.c:2927) [ 26.608816][ T250] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 26.608820][ T250] ? bond_miimon_commit (drivers/net/bonding/bond_main.c:2850) [ 26.608823][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.608826][ T250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.608829][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.608834][ T250] ? process_one_work (kernel/workqueue.c:3386) [ 26.608837][ T250] process_one_work (kernel/workqueue.c:3387) [ 26.608848][ T250] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 26.608852][ T250] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.608867][ T250] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 26.608873][ T250] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 26.608876][ T250] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 26.608881][ T250] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 26.608885][ T250] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 26.608888][ T250] kthread (kernel/kthread.c:436) [ 26.608891][ T250] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 26.608895][ T250] ? kthread_affine_preferred (kernel/kthread.c:857) [ 26.608900][ T250] ret_from_fork (arch/x86/kernel/process.c:158) [ 26.608906][ T250] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 26.608912][ T250] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 26.608917][ T250] ? kthread_affine_preferred (kernel/kthread.c:857) [ 26.608922][ T250] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 28.930203][ T39] softirqs last disabled at (105114): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 28.930205][ T39] Preemption disabled at: | [ 28.930206][ T39] 0x0 | [ 28.930217][ T39] Tainted: [W]=WARN [ 28.930218][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.930220][ T39] Workqueue: events_unbound linkwatch_event [ 28.930224][ T39] Call Trace: [ 28.930226][ T39] [ 28.930227][ T39] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 28.930233][ T39] __might_resched.cold (kernel/sched/core.c:9234) [ 28.930238][ T39] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 28.930242][ T39] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 28.930247][ T39] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 28.930250][ T39] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.930256][ T39] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 28.930258][ T39] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.930262][ T39] put_chars (drivers/char/virtio_console.c:1176) [ 28.930265][ T39] ? __send_to_port (drivers/char/virtio_console.c:654) [ 28.930269][ T39] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 28.930275][ T39] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 28.930283][ T39] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 28.930286][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.930289][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.930294][ T39] console_emit_next_record (kernel/printk/printk.c:3183) [ 28.930297][ T39] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 28.930301][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.930303][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.930308][ T39] console_flush_one_record (kernel/printk/printk.c:3268) [ 28.930312][ T39] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 28.930313][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.930319][ T39] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 28.930321][ T39] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 28.930323][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.930325][ T39] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 28.930329][ T39] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 28.930331][ T39] ? vprintk_emit (kernel/printk/printk.c:2478) [ 28.930334][ T39] vprintk_emit (kernel/printk/printk.c:2479) [ 28.930338][ T39] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 28.930340][ T39] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 28.930343][ T39] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 28.930348][ T39] _printk (kernel/printk/printk.c:2504) [ 28.930351][ T39] ? snapshot_read.cold (user.c:?) [ 28.930357][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.930361][ T39] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 28.930365][ T39] br_init_port (net/bridge/br_stp_if.c:39) [ 28.930368][ T39] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 28.930370][ T39] br_port_carrier_check (net/bridge/br_if.c:90) [ 28.930374][ T39] br_device_event (net/bridge/br.c:101) [ 28.930377][ T39] ? packet_sendmsg_spkt (af_packet.c:?) [ 28.930379][ T39] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 28.930386][ T39] notifier_call_chain (kernel/notifier.c:85) [ 28.930392][ T39] netif_state_change (net/core/dev.c:1625) [ 28.930396][ T39] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 28.930401][ T39] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 28.930404][ T39] __linkwatch_run_queue (net/core/link_watch.c:240) [ 28.930407][ T39] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 28.930410][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.930415][ T39] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 28.930418][ T39] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 28.930422][ T39] process_one_work (kernel/workqueue.c:3387) [ 28.930428][ T39] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 28.930430][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.930438][ T39] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 28.930445][ T39] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 28.930447][ T39] kthread (kernel/kthread.c:436) [ 28.930451][ T39] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 28.930454][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 28.930457][ T39] ret_from_fork (arch/x86/kernel/process.c:158) [ 28.930462][ T39] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 28.930465][ T39] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 28.930469][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 28.930472][ T39] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 30.189483][ T309] softirqs last disabled at (42374): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 30.189486][ T309] Preemption disabled at: | [ 30.189486][ T309] vprintk_emit (kernel/printk/printk.c:2471) | [ 30.189496][ T309] Tainted: [W]=WARN [ 30.189497][ T309] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.189498][ T309] Call Trace: [ 30.189500][ T309] [ 30.189502][ T309] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.189507][ T309] ? vprintk_emit (kernel/printk/printk.c:2471) [ 30.189509][ T309] __might_resched.cold (kernel/sched/core.c:9234) [ 30.189513][ T309] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.189517][ T309] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 30.189523][ T309] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 30.189525][ T309] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.189531][ T309] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 30.189533][ T309] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.189537][ T309] put_chars (drivers/char/virtio_console.c:1176) [ 30.189541][ T309] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.189544][ T309] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 30.189548][ T309] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 30.189551][ T309] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 30.189555][ T309] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.189559][ T309] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.189561][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.189563][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.189567][ T309] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.189570][ T309] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 30.189573][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.189575][ T309] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.189579][ T309] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.189582][ T309] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.189586][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.189588][ T309] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.189592][ T309] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.189595][ T309] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.189597][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.189602][ T309] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.189604][ T309] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.189606][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.189608][ T309] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 30.189612][ T309] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.189614][ T309] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.189616][ T309] vprintk_emit (kernel/printk/printk.c:2479) [ 30.189620][ T309] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.189625][ T309] _printk (kernel/printk/printk.c:2504) [ 30.189629][ T309] ? snapshot_read.cold (user.c:?) [ 30.189632][ T309] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 30.189634][ T309] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 30.189637][ T309] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 30.189640][ T309] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 30.189643][ T309] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 30.189646][ T309] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 30.189648][ T309] ? netdev_notice (net/core/dev.c:13194) [ 30.189653][ T309] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 30.189657][ T309] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 30.189661][ T309] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 30.189664][ T309] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 30.189670][ T309] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 30.189673][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 30.189675][ T309] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.189678][ T309] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.189685][ T309] ? packet_sendmsg_spkt (af_packet.c:?) [ 30.189690][ T309] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 30.189692][ T309] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 30.189694][ T309] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 30.189699][ T309] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 30.189709][ T309] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 30.189711][ T309] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 30.189713][ T309] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 30.189715][ T309] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 30.189721][ T309] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 30.189723][ T309] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.189725][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.189727][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.189730][ T309] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 30.189750][ T309] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.189753][ T309] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.189756][ T309] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.189758][ T309] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.189760][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.189765][ T309] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.189767][ T309] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.189769][ T309] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 30.189771][ T309] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.189775][ T309] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 30.189777][ T309] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 30.189781][ T309] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 30.189783][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.189787][ T309] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.189789][ T309] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.189793][ T309] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 30.189796][ T309] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 30.189799][ T309] ? netlink_ack (./include/linux/skbuff.h:2718) [ 30.189805][ T309] ? 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)) [ 30.189807][ T309] ? 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)) [ 30.189811][ T309] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 30.189815][ T309] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 30.189818][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.189822][ T309] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 30.189826][ T309] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 30.189829][ T309] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 30.189835][ T309] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 30.189838][ T309] ? copy_msghdr_from_user (net/socket.c:2650) [ 30.189840][ T309] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 30.189842][ T309] ? move_addr_to_kernel (net/socket.c:258) [ 30.189848][ T309] ___sys_sendmsg (net/socket.c:2767) [ 30.189851][ T309] ? copy_msghdr_from_user (net/socket.c:2619) [ 30.189866][ T309] __sys_sendmsg (net/socket.c:2799) [ 30.189869][ T309] ? __sys_sendmsg_sock (net/socket.c:2780) [ 30.189874][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.189878][ T309] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.189879][ T309] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 30.189882][ T309] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.189884][ T309] RIP: 0033:0x7ffb283df54e [ 30.189889][ T309] 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 [ 30.189890][ T309] RSP: 002b:00007ffd477551b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.189893][ T309] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ffb283df54e [ 30.189894][ T309] RDX: 0000000000000000 RSI: 00007ffd47755260 RDI: 0000000000000005 [ 30.189895][ T309] RBP: 00007ffd477551c0 R08: 0000000000000000 R09: 0000000000000000 [ 30.189896][ T309] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afd2 [ 30.189897][ T309] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd47755920 | [ 31.910744][ T323] softirqs last disabled at (34362): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 31.910747][ T323] Preemption disabled at: | [ 31.910748][ T323] 0x0 | [ 31.910759][ T323] Tainted: [W]=WARN [ 31.910760][ T323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.910761][ T323] Call Trace: [ 31.910763][ T323] [ 31.910764][ T323] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.910771][ T323] __might_resched.cold (kernel/sched/core.c:9234) [ 31.910775][ T323] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 31.910779][ T323] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 31.910785][ T323] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 31.910788][ T323] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.910794][ T323] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 31.910796][ T323] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.910800][ T323] put_chars (drivers/char/virtio_console.c:1176) [ 31.910803][ T323] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 31.910806][ T323] ? __send_to_port (drivers/char/virtio_console.c:654) [ 31.910813][ T323] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 31.910820][ T323] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 31.910824][ T323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.910829][ T323] console_emit_next_record (kernel/printk/printk.c:3183) [ 31.910832][ T323] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 31.910836][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.910840][ T323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.910844][ T323] console_flush_one_record (kernel/printk/printk.c:3268) [ 31.910848][ T323] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 31.910850][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.910856][ T323] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 31.910858][ T323] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 31.910859][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.910861][ T323] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 31.910865][ T323] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 31.910867][ T323] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.910870][ T323] vprintk_emit (kernel/printk/printk.c:2479) [ 31.910874][ T323] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 31.910875][ T323] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 31.910878][ T323] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 31.910881][ T323] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 31.910888][ T323] _printk (kernel/printk/printk.c:2504) [ 31.910892][ T323] ? snapshot_read.cold (user.c:?) [ 31.910900][ T323] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 31.910904][ T323] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 31.910908][ T323] br_device_event (net/bridge/br.c:111) [ 31.910910][ T323] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 31.910914][ T323] ? packet_sendmsg_spkt (af_packet.c:?) [ 31.910920][ T323] notifier_call_chain (kernel/notifier.c:85) [ 31.910926][ T323] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 31.910931][ T323] ? netif_change_name (net/core/dev.c:1517) [ 31.910933][ T323] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 31.910936][ T323] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 31.910939][ T323] ? __kernel_text_address (kernel/extable.c:79) [ 31.910941][ T323] ? write_profile (profile.c:?) [ 31.910946][ T323] netif_change_flags (net/core/dev.c:9882) [ 31.910950][ T323] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 31.910954][ T323] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 31.910956][ T323] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 31.910958][ T323] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 31.910960][ T323] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 31.910963][ T323] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 31.910966][ T323] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 31.910968][ T323] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 31.910971][ T323] ? kasan_save_stack (mm/kasan/common.c:58) [ 31.910973][ T323] ? kasan_save_stack (mm/kasan/common.c:57) [ 31.910974][ T323] ? kasan_save_track (mm/kasan/common.c:78) [ 31.910977][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.910979][ T323] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 31.910982][ T323] ? ___sys_sendmsg (net/socket.c:2757) [ 31.910987][ T323] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.910989][ T323] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 31.910992][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.910994][ T323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.910996][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.910998][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.911000][ T323] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 31.911003][ T323] ? __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) [ 31.911004][ T323] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 31.911006][ T323] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 31.911010][ T323] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 31.911016][ T323] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 31.911022][ T323] rtnl_newlink (net/core/rtnetlink.c:4215) [ 31.911028][ T323] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 31.911030][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.911035][ T323] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.911037][ T323] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.911040][ T323] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 31.911042][ T323] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 31.911046][ T323] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 31.911049][ T323] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 31.911053][ T323] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 31.911054][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.911059][ T323] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 31.911061][ T323] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 31.911065][ T323] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 31.911067][ T323] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 31.911071][ T323] ? netlink_ack (./include/linux/skbuff.h:2718) [ 31.911077][ T323] ? 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)) [ 31.911079][ T323] ? 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)) [ 31.911083][ T323] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 31.911087][ T323] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 31.911090][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.911095][ T323] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 31.911099][ T323] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 31.911103][ T323] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 31.911109][ T323] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 31.911111][ T323] ? copy_msghdr_from_user (net/socket.c:2650) [ 31.911113][ T323] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 31.911115][ T323] ? move_addr_to_kernel (net/socket.c:258) [ 31.911122][ T323] ___sys_sendmsg (net/socket.c:2767) [ 31.911124][ T323] ? copy_msghdr_from_user (net/socket.c:2619) [ 31.911141][ T323] __sys_sendmsg (net/socket.c:2799) [ 31.911143][ T323] ? __sys_sendmsg_sock (net/socket.c:2780) [ 31.911150][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.911153][ T323] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 31.911155][ T323] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 31.911159][ T323] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 31.911161][ T323] RIP: 0033:0x7fc71d14254e [ 31.911164][ T323] 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 [ 31.911166][ T323] RSP: 002b:00007ffc1f1bddf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 31.911168][ T323] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc71d14254e [ 31.911170][ T323] RDX: 0000000000000000 RSI: 00007ffc1f1bdea0 RDI: 0000000000000005 [ 31.911171][ T323] RBP: 00007ffc1f1bde00 R08: 0000000000000000 R09: 0000000000000000 [ 31.911172][ T323] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afd4 [ 31.911172][ T323] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1f1be560 | [ 34.024763][ T38] softirqs last disabled at (146798): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 34.024765][ T38] Preemption disabled at: | [ 34.024766][ T38] 0x0 | [ 34.024777][ T38] Tainted: [W]=WARN [ 34.024777][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.024779][ T38] Workqueue: events_unbound linkwatch_event [ 34.024783][ T38] Call Trace: [ 34.024784][ T38] [ 34.024786][ T38] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 34.024792][ T38] __might_resched.cold (kernel/sched/core.c:9234) [ 34.024796][ T38] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 34.024800][ T38] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 34.024805][ T38] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 34.024808][ T38] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.024814][ T38] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 34.024816][ T38] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 34.024820][ T38] put_chars (drivers/char/virtio_console.c:1176) [ 34.024823][ T38] ? __send_to_port (drivers/char/virtio_console.c:654) [ 34.024827][ T38] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 34.024832][ T38] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 34.024840][ T38] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 34.024843][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.024846][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.024851][ T38] console_emit_next_record (kernel/printk/printk.c:3183) [ 34.024854][ T38] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 34.024858][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.024860][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 34.024865][ T38] console_flush_one_record (kernel/printk/printk.c:3268) [ 34.024868][ T38] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 34.024870][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 34.024875][ T38] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 34.024878][ T38] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 34.024879][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 34.024881][ T38] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 34.024885][ T38] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 34.024887][ T38] ? vprintk_emit (kernel/printk/printk.c:2478) [ 34.024890][ T38] vprintk_emit (kernel/printk/printk.c:2479) [ 34.024893][ T38] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 34.024896][ T38] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 34.024898][ T38] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 34.024903][ T38] _printk (kernel/printk/printk.c:2504) [ 34.024907][ T38] ? snapshot_read.cold (user.c:?) [ 34.024912][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.024917][ T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 34.024920][ T38] br_init_port (net/bridge/br_stp_if.c:39) [ 34.024923][ T38] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 34.024925][ T38] br_port_carrier_check (net/bridge/br_if.c:90) [ 34.024929][ T38] br_device_event (net/bridge/br.c:101) [ 34.024932][ T38] ? packet_sendmsg_spkt (af_packet.c:?) [ 34.024934][ T38] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 34.024941][ T38] notifier_call_chain (kernel/notifier.c:85) [ 34.024947][ T38] netif_state_change (net/core/dev.c:1625) [ 34.024951][ T38] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 34.024955][ T38] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 34.024958][ T38] __linkwatch_run_queue (net/core/link_watch.c:240) [ 34.024961][ T38] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 34.024964][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.024969][ T38] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 34.024972][ T38] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 34.024975][ T38] process_one_work (kernel/workqueue.c:3387) [ 34.024981][ T38] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 34.024984][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 34.024992][ T38] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 34.024998][ T38] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 34.025000][ T38] kthread (kernel/kthread.c:436) [ 34.025003][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 34.025006][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 34.025009][ T38] ret_from_fork (arch/x86/kernel/process.c:158) [ 34.025014][ T38] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 34.025017][ T38] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 34.025021][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 34.025024][ T38] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 35.308459][ T331] softirqs last disabled at (44168): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 35.308461][ T331] Preemption disabled at: | [ 35.308462][ T331] vprintk_emit (kernel/printk/printk.c:2471) | [ 35.308471][ T331] Tainted: [W]=WARN [ 35.308472][ T331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.308474][ T331] Call Trace: [ 35.308476][ T331] [ 35.308477][ T331] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.308483][ T331] ? vprintk_emit (kernel/printk/printk.c:2471) [ 35.308484][ T331] __might_resched.cold (kernel/sched/core.c:9234) [ 35.308489][ T331] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.308493][ T331] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 35.308498][ T331] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 35.308500][ T331] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.308506][ T331] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 35.308508][ T331] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.308512][ T331] put_chars (drivers/char/virtio_console.c:1176) [ 35.308515][ T331] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.308519][ T331] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.308523][ T331] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.308526][ T331] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 35.308530][ T331] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.308534][ T331] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.308536][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.308538][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.308542][ T331] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.308544][ T331] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 35.308547][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.308549][ T331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.308553][ T331] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.308556][ T331] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.308560][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.308562][ T331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.308566][ T331] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.308569][ T331] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.308571][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.308576][ T331] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.308578][ T331] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.308580][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.308582][ T331] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 35.308585][ T331] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.308587][ T331] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.308590][ T331] vprintk_emit (kernel/printk/printk.c:2479) [ 35.308593][ T331] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.308598][ T331] _printk (kernel/printk/printk.c:2504) [ 35.308602][ T331] ? snapshot_read.cold (user.c:?) [ 35.308605][ T331] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 35.308607][ T331] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 35.308611][ T331] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 35.308613][ T331] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 35.308616][ T331] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 35.308619][ T331] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 35.308622][ T331] ? netdev_notice (net/core/dev.c:13194) [ 35.308626][ T331] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 35.308629][ T331] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 35.308633][ T331] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 35.308637][ T331] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 35.308642][ T331] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 35.308646][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 35.308648][ T331] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.308650][ T331] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.308658][ T331] ? packet_sendmsg_spkt (af_packet.c:?) [ 35.308664][ T331] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 35.308665][ T331] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 35.308668][ T331] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 35.308673][ T331] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 35.308678][ T331] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 35.308680][ T331] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 35.308682][ T331] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 35.308683][ T331] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 35.308690][ T331] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 35.308692][ T331] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.308694][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.308696][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.308698][ T331] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 35.308723][ T331] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.308725][ T331] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.308728][ T331] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.308730][ T331] ? mark_usage (kernel/locking/lockdep.c:4690) [ 35.308732][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.308737][ T331] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.308739][ T331] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.308741][ T331] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 35.308743][ T331] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.308747][ T331] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 35.308750][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 35.308753][ T331] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 35.308755][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.308760][ T331] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.308762][ T331] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.308765][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 35.308768][ T331] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 35.308772][ T331] ? netlink_ack (./include/linux/skbuff.h:2718) [ 35.308778][ T331] ? 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)) [ 35.308779][ T331] ? 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)) [ 35.308784][ T331] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 35.308787][ T331] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 35.308790][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.308794][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 35.308798][ T331] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 35.308802][ T331] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 35.308808][ T331] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 35.308811][ T331] ? copy_msghdr_from_user (net/socket.c:2650) [ 35.308813][ T331] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 35.308814][ T331] ? move_addr_to_kernel (net/socket.c:258) [ 35.308821][ T331] ___sys_sendmsg (net/socket.c:2767) [ 35.308824][ T331] ? copy_msghdr_from_user (net/socket.c:2619) [ 35.308839][ T331] __sys_sendmsg (net/socket.c:2799) [ 35.308841][ T331] ? __sys_sendmsg_sock (net/socket.c:2780) [ 35.308847][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.308850][ T331] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 35.308852][ T331] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 35.308854][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.308856][ T331] RIP: 0033:0x7f799742154e [ 35.308860][ T331] 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 [ 35.308862][ T331] RSP: 002b:00007ffe5171ef70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 35.308865][ T331] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f799742154e [ 35.308866][ T331] RDX: 0000000000000000 RSI: 00007ffe5171f020 RDI: 0000000000000005 [ 35.308867][ T331] RBP: 00007ffe5171ef80 R08: 0000000000000000 R09: 0000000000000000 [ 35.308868][ T331] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afd7 [ 35.308869][ T331] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5171f6e0 | [ 37.120297][ T345] softirqs last disabled at (42638): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 37.120301][ T345] Preemption disabled at: | [ 37.120302][ T345] 0x0 | [ 37.120315][ T345] Tainted: [W]=WARN [ 37.120316][ T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.120319][ T345] Call Trace: [ 37.120321][ T345] [ 37.120323][ T345] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 37.120331][ T345] __might_resched.cold (kernel/sched/core.c:9234) [ 37.120337][ T345] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 37.120342][ T345] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 37.120350][ T345] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 37.120354][ T345] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.120363][ T345] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 37.120366][ T345] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.120372][ T345] put_chars (drivers/char/virtio_console.c:1176) [ 37.120376][ T345] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 37.120380][ T345] ? __send_to_port (drivers/char/virtio_console.c:654) [ 37.120392][ T345] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 37.120404][ T345] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 37.120409][ T345] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.120417][ T345] console_emit_next_record (kernel/printk/printk.c:3183) [ 37.120423][ T345] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 37.120430][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.120435][ T345] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.120442][ T345] console_flush_one_record (kernel/printk/printk.c:3268) [ 37.120448][ T345] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 37.120451][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.120461][ T345] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 37.120464][ T345] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 37.120467][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.120470][ T345] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 37.120477][ T345] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 37.120480][ T345] ? vprintk_emit (kernel/printk/printk.c:2478) [ 37.120485][ T345] vprintk_emit (kernel/printk/printk.c:2479) [ 37.120491][ T345] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 37.120493][ T345] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 37.120497][ T345] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 37.120501][ T345] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.120508][ T345] _printk (kernel/printk/printk.c:2504) [ 37.120513][ T345] ? snapshot_read.cold (user.c:?) [ 37.120526][ T345] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 37.120533][ T345] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 37.120539][ T345] br_device_event (net/bridge/br.c:111) [ 37.120543][ T345] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 37.120548][ T345] ? packet_sendmsg_spkt (af_packet.c:?) [ 37.120558][ T345] notifier_call_chain (kernel/notifier.c:85) [ 37.120568][ T345] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 37.120574][ T345] ? netif_change_name (net/core/dev.c:1517) [ 37.120578][ T345] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 37.120583][ T345] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 37.120588][ T345] ? __kernel_text_address (kernel/extable.c:79) [ 37.120591][ T345] ? write_profile (profile.c:?) [ 37.120599][ T345] netif_change_flags (net/core/dev.c:9882) [ 37.120605][ T345] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 37.120611][ T345] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 37.120615][ T345] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 37.120618][ T345] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 37.120621][ T345] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 37.120625][ T345] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 37.120629][ T345] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 37.120632][ T345] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 37.120637][ T345] ? kasan_save_stack (mm/kasan/common.c:58) [ 37.120640][ T345] ? kasan_save_stack (mm/kasan/common.c:57) [ 37.120642][ T345] ? kasan_save_track (mm/kasan/common.c:78) [ 37.120646][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.120649][ T345] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 37.120653][ T345] ? ___sys_sendmsg (net/socket.c:2757) [ 37.120661][ T345] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.120664][ T345] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 37.120669][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.120673][ T345] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.120675][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.120678][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.120681][ T345] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 37.120685][ T345] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 37.120687][ T345] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 37.120691][ T345] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 37.120698][ T345] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 37.120707][ T345] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 37.120723][ T345] rtnl_newlink (net/core/rtnetlink.c:4215) [ 37.120733][ T345] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 37.120737][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.120745][ T345] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.120748][ T345] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.120752][ T345] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 37.120756][ T345] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 37.120763][ T345] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 37.120767][ T345] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 37.120773][ T345] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 37.120775][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.120784][ T345] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 37.120787][ T345] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 37.120794][ T345] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 37.120797][ T345] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 37.120802][ T345] ? netlink_ack (./include/linux/skbuff.h:2718) [ 37.120814][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 37.120816][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 37.120824][ T345] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 37.120831][ T345] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 37.120835][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.120843][ T345] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 37.120849][ T345] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 37.120856][ T345] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 37.120866][ T345] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 37.120869][ T345] ? copy_msghdr_from_user (net/socket.c:2650) [ 37.120872][ T345] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 37.120875][ T345] ? move_addr_to_kernel (net/socket.c:258) [ 37.120888][ T345] ___sys_sendmsg (net/socket.c:2767) [ 37.120892][ T345] ? copy_msghdr_from_user (net/socket.c:2619) [ 37.120922][ T345] __sys_sendmsg (net/socket.c:2799) [ 37.120927][ T345] ? __sys_sendmsg_sock (net/socket.c:2780) [ 37.120938][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.120944][ T345] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 37.120947][ T345] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 37.120952][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 37.120955][ T345] RIP: 0033:0x7fe731ab854e [ 37.120959][ T345] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 37.120961][ T345] RSP: 002b:00007ffd5cc01290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 37.120965][ T345] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe731ab854e [ 37.120967][ T345] RDX: 0000000000000000 RSI: 00007ffd5cc01340 RDI: 0000000000000005 [ 37.120969][ T345] RBP: 00007ffd5cc012a0 R08: 0000000000000000 R09: 0000000000000000 [ 37.120970][ T345] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afd9 [ 37.120972][ T345] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5cc01a00 | [ 39.255029][ T112] softirqs last disabled at (9984): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 39.255032][ T112] Preemption disabled at: | [ 39.255032][ T112] 0x0 | [ 39.255044][ T112] Tainted: [W]=WARN [ 39.255044][ T112] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.255046][ T112] Workqueue: events_unbound linkwatch_event [ 39.255050][ T112] Call Trace: [ 39.255052][ T112] [ 39.255054][ T112] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 39.255062][ T112] __might_resched.cold (kernel/sched/core.c:9234) [ 39.255066][ T112] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 39.255070][ T112] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 39.255075][ T112] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 39.255078][ T112] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.255085][ T112] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 39.255087][ T112] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.255091][ T112] put_chars (drivers/char/virtio_console.c:1176) [ 39.255094][ T112] ? __send_to_port (drivers/char/virtio_console.c:654) [ 39.255098][ T112] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 39.255104][ T112] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 39.255111][ T112] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 39.255115][ T112] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.255118][ T112] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.255122][ T112] console_emit_next_record (kernel/printk/printk.c:3183) [ 39.255126][ T112] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 39.255130][ T112] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.255132][ T112] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.255137][ T112] console_flush_one_record (kernel/printk/printk.c:3268) [ 39.255141][ T112] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 39.255142][ T112] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.255148][ T112] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 39.255151][ T112] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 39.255152][ T112] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.255154][ T112] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 39.255158][ T112] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 39.255160][ T112] ? vprintk_emit (kernel/printk/printk.c:2478) [ 39.255164][ T112] vprintk_emit (kernel/printk/printk.c:2479) [ 39.255167][ T112] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 39.255170][ T112] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 39.255172][ T112] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 39.255177][ T112] _printk (kernel/printk/printk.c:2504) [ 39.255181][ T112] ? snapshot_read.cold (user.c:?) [ 39.255187][ T112] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.255191][ T112] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 39.255195][ T112] br_init_port (net/bridge/br_stp_if.c:39) [ 39.255198][ T112] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 39.255200][ T112] br_port_carrier_check (net/bridge/br_if.c:90) [ 39.255204][ T112] br_device_event (net/bridge/br.c:101) [ 39.255208][ T112] ? packet_sendmsg_spkt (af_packet.c:?) [ 39.255209][ T112] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 39.255216][ T112] notifier_call_chain (kernel/notifier.c:85) [ 39.255223][ T112] netif_state_change (net/core/dev.c:1625) [ 39.255227][ T112] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 39.255232][ T112] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 39.255235][ T112] __linkwatch_run_queue (net/core/link_watch.c:240) [ 39.255238][ T112] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 39.255241][ T112] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.255246][ T112] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 39.255249][ T112] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 39.255253][ T112] process_one_work (kernel/workqueue.c:3387) [ 39.255259][ T112] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 39.255262][ T112] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 39.255270][ T112] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 39.255274][ T112] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.255275][ T112] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 39.255279][ T112] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.255282][ T112] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 39.255283][ T112] kthread (kernel/kthread.c:436) [ 39.255286][ T112] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 39.255289][ T112] ? kthread_affine_preferred (kernel/kthread.c:857) [ 39.255293][ T112] ret_from_fork (arch/x86/kernel/process.c:158) [ 39.255297][ T112] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 39.255301][ T112] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 39.255304][ T112] ? kthread_affine_preferred (kernel/kthread.c:857) [ 39.255308][ T112] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 40.502695][ T353] softirqs last disabled at (50824): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 40.502698][ T353] Preemption disabled at: | [ 40.502698][ T353] vprintk_emit (kernel/printk/printk.c:2471) | [ 40.502708][ T353] Tainted: [W]=WARN [ 40.502709][ T353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.502710][ T353] Call Trace: [ 40.502712][ T353] [ 40.502714][ T353] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 40.502719][ T353] ? vprintk_emit (kernel/printk/printk.c:2471) [ 40.502721][ T353] __might_resched.cold (kernel/sched/core.c:9234) [ 40.502730][ T353] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 40.502734][ T353] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 40.502740][ T353] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 40.502742][ T353] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.502749][ T353] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 40.502751][ T353] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.502755][ T353] put_chars (drivers/char/virtio_console.c:1176) [ 40.502759][ T353] ? __send_to_port (drivers/char/virtio_console.c:654) [ 40.502762][ T353] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 40.502766][ T353] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 40.502769][ T353] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 40.502774][ T353] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 40.502778][ T353] ? mark_usage (kernel/locking/lockdep.c:4690) [ 40.502780][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.502782][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.502787][ T353] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 40.502790][ T353] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 40.502793][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.502795][ T353] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.502799][ T353] console_emit_next_record (kernel/printk/printk.c:3183) [ 40.502803][ T353] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 40.502807][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.502809][ T353] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.502814][ T353] console_flush_one_record (kernel/printk/printk.c:3268) [ 40.502817][ T353] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 40.502819][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.502825][ T353] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 40.502827][ T353] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 40.502829][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.502831][ T353] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 40.502835][ T353] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 40.502837][ T353] ? vprintk_emit (kernel/printk/printk.c:2478) [ 40.502840][ T353] vprintk_emit (kernel/printk/printk.c:2479) [ 40.502843][ T353] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 40.502849][ T353] _printk (kernel/printk/printk.c:2504) [ 40.502853][ T353] ? snapshot_read.cold (user.c:?) [ 40.502856][ T353] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 40.502859][ T353] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 40.502862][ T353] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 40.502864][ T353] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 40.502868][ T353] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 40.502871][ T353] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 40.502874][ T353] ? netdev_notice (net/core/dev.c:13194) [ 40.502878][ T353] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 40.502882][ T353] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 40.502886][ T353] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 40.502890][ T353] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 40.502895][ T353] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 40.502899][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 40.502901][ T353] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 40.502904][ T353] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 40.502912][ T353] ? packet_sendmsg_spkt (af_packet.c:?) [ 40.502918][ T353] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 40.502919][ T353] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 40.502922][ T353] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 40.502927][ T353] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 40.502933][ T353] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 40.502935][ T353] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 40.502937][ T353] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 40.502939][ T353] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 40.502946][ T353] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 40.502948][ T353] ? mark_usage (kernel/locking/lockdep.c:4690) [ 40.502950][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.502952][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.502955][ T353] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 40.502977][ T353] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.502979][ T353] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 40.502982][ T353] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 40.502985][ T353] ? mark_usage (kernel/locking/lockdep.c:4690) [ 40.502987][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.502992][ T353] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.502994][ T353] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 40.502997][ T353] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 40.502999][ T353] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 40.503003][ T353] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 40.503006][ T353] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 40.503010][ T353] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 40.503012][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.503017][ T353] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 40.503019][ T353] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 40.503023][ T353] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 40.503026][ T353] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 40.503029][ T353] ? netlink_ack (./include/linux/skbuff.h:2718) [ 40.503036][ T353] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 40.503038][ T353] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 40.503042][ T353] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 40.503046][ T353] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 40.503049][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.503054][ T353] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 40.503058][ T353] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 40.503064][ T353] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 40.503070][ T353] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 40.503073][ T353] ? copy_msghdr_from_user (net/socket.c:2650) [ 40.503075][ T353] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 40.503077][ T353] ? move_addr_to_kernel (net/socket.c:258) [ 40.503084][ T353] ___sys_sendmsg (net/socket.c:2767) [ 40.503086][ T353] ? copy_msghdr_from_user (net/socket.c:2619) [ 40.503102][ T353] __sys_sendmsg (net/socket.c:2799) [ 40.503105][ T353] ? __sys_sendmsg_sock (net/socket.c:2780) [ 40.503111][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.503115][ T353] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 40.503116][ T353] ? irq_exit_rcu (kernel/softirq.c:786) [ 40.503121][ T353] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 40.503123][ T353] RIP: 0033:0x7f09701ef54e [ 40.503128][ T353] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 40.503130][ T353] RSP: 002b:00007ffd02568cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 40.503132][ T353] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f09701ef54e [ 40.503134][ T353] RDX: 0000000000000000 RSI: 00007ffd02568da0 RDI: 0000000000000005 [ 40.503135][ T353] RBP: 00007ffd02568d00 R08: 0000000000000000 R09: 0000000000000000 [ 40.503136][ T353] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afdc [ 40.503137][ T353] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd02569460 | [ 42.286574][ T367] softirqs last disabled at (39076): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 42.286576][ T367] Preemption disabled at: | [ 42.286577][ T367] 0x0 | [ 42.286588][ T367] Tainted: [W]=WARN [ 42.286588][ T367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.286590][ T367] Call Trace: [ 42.286592][ T367] [ 42.286593][ T367] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 42.286599][ T367] __might_resched.cold (kernel/sched/core.c:9234) [ 42.286604][ T367] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 42.286608][ T367] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 42.286613][ T367] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 42.286616][ T367] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.286622][ T367] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 42.286624][ T367] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.286628][ T367] put_chars (drivers/char/virtio_console.c:1176) [ 42.286631][ T367] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 42.286633][ T367] ? __send_to_port (drivers/char/virtio_console.c:654) [ 42.286640][ T367] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 42.286648][ T367] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 42.286651][ T367] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.286657][ T367] console_emit_next_record (kernel/printk/printk.c:3183) [ 42.286660][ T367] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 42.286664][ T367] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.286668][ T367] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.286672][ T367] console_flush_one_record (kernel/printk/printk.c:3268) [ 42.286676][ T367] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 42.286678][ T367] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.286684][ T367] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 42.286686][ T367] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 42.286688][ T367] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.286690][ T367] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 42.286694][ T367] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 42.286696][ T367] ? vprintk_emit (kernel/printk/printk.c:2478) [ 42.286699][ T367] vprintk_emit (kernel/printk/printk.c:2479) [ 42.286702][ T367] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 42.286704][ T367] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 42.286706][ T367] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 42.286709][ T367] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 42.286714][ T367] _printk (kernel/printk/printk.c:2504) [ 42.286717][ T367] ? snapshot_read.cold (user.c:?) [ 42.286725][ T367] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 42.286735][ T367] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 42.286739][ T367] br_device_event (net/bridge/br.c:111) [ 42.286742][ T367] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 42.286746][ T367] ? packet_sendmsg_spkt (af_packet.c:?) [ 42.286752][ T367] notifier_call_chain (kernel/notifier.c:85) [ 42.286761][ T367] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 42.286767][ T367] ? netif_change_name (net/core/dev.c:1517) [ 42.286771][ T367] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 42.286776][ T367] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 42.286780][ T367] ? __kernel_text_address (kernel/extable.c:79) [ 42.286784][ T367] ? write_profile (profile.c:?) [ 42.286789][ T367] netif_change_flags (net/core/dev.c:9882) [ 42.286792][ T367] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 42.286797][ T367] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 42.286799][ T367] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 42.286801][ T367] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 42.286803][ T367] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 42.286806][ T367] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 42.286809][ T367] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 42.286811][ T367] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 42.286814][ T367] ? kasan_save_stack (mm/kasan/common.c:58) [ 42.286816][ T367] ? kasan_save_stack (mm/kasan/common.c:57) [ 42.286817][ T367] ? kasan_save_track (mm/kasan/common.c:78) [ 42.286820][ T367] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.286822][ T367] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 42.286825][ T367] ? ___sys_sendmsg (net/socket.c:2757) [ 42.286830][ T367] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.286832][ T367] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 42.286835][ T367] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.286837][ T367] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.286839][ T367] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.286841][ T367] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.286843][ T367] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 42.286845][ T367] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 42.286847][ T367] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 42.286849][ T367] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 42.286853][ T367] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 42.286858][ T367] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 42.286864][ T367] rtnl_newlink (net/core/rtnetlink.c:4215) [ 42.286870][ T367] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.286873][ T367] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.286877][ T367] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.286880][ T367] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.286882][ T367] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.286884][ T367] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 42.286888][ T367] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.286891][ T367] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 42.286895][ T367] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 42.286897][ T367] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.286901][ T367] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.286904][ T367] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.286908][ T367] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 42.286910][ T367] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 42.286913][ T367] ? netlink_ack (./include/linux/skbuff.h:2718) [ 42.286920][ T367] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 42.286921][ T367] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 42.286926][ T367] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 42.286930][ T367] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 42.286933][ T367] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.286937][ T367] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 42.286941][ T367] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 42.286945][ T367] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 42.286951][ T367] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 42.286953][ T367] ? copy_msghdr_from_user (net/socket.c:2650) [ 42.286955][ T367] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 42.286956][ T367] ? move_addr_to_kernel (net/socket.c:258) [ 42.286964][ T367] ___sys_sendmsg (net/socket.c:2767) [ 42.286966][ T367] ? copy_msghdr_from_user (net/socket.c:2619) [ 42.286982][ T367] __sys_sendmsg (net/socket.c:2799) [ 42.286985][ T367] ? __sys_sendmsg_sock (net/socket.c:2780) [ 42.286991][ T367] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.286995][ T367] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 42.286997][ T367] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 42.287000][ T367] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 42.287002][ T367] RIP: 0033:0x7f0cc303c54e [ 42.287005][ T367] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 42.287006][ T367] RSP: 002b:00007ffff338ff00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 42.287009][ T367] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0cc303c54e [ 42.287011][ T367] RDX: 0000000000000000 RSI: 00007ffff338ffb0 RDI: 0000000000000005 [ 42.287011][ T367] RBP: 00007ffff338ff10 R08: 0000000000000000 R09: 0000000000000000 [ 42.287012][ T367] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afde [ 42.287013][ T367] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff3390670 | [ 44.390550][ T112] softirqs last disabled at (30896): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 44.390553][ T112] Preemption disabled at: | [ 44.390554][ T112] 0x0 | [ 44.390565][ T112] Tainted: [W]=WARN [ 44.390566][ T112] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.390567][ T112] Workqueue: events_unbound linkwatch_event [ 44.390571][ T112] Call Trace: [ 44.390573][ T112] [ 44.390574][ T112] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 44.390580][ T112] __might_resched.cold (kernel/sched/core.c:9234) [ 44.390585][ T112] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 44.390588][ T112] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 44.390594][ T112] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 44.390597][ T112] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.390603][ T112] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 44.390605][ T112] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.390609][ T112] put_chars (drivers/char/virtio_console.c:1176) [ 44.390612][ T112] ? __send_to_port (drivers/char/virtio_console.c:654) [ 44.390616][ T112] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 44.390621][ T112] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 44.390629][ T112] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 44.390632][ T112] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.390635][ T112] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.390640][ T112] console_emit_next_record (kernel/printk/printk.c:3183) [ 44.390643][ T112] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 44.390647][ T112] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.390649][ T112] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.390654][ T112] console_flush_one_record (kernel/printk/printk.c:3268) [ 44.390659][ T112] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 44.390660][ T112] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.390666][ T112] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 44.390668][ T112] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 44.390670][ T112] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.390672][ T112] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 44.390676][ T112] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 44.390677][ T112] ? vprintk_emit (kernel/printk/printk.c:2478) [ 44.390680][ T112] vprintk_emit (kernel/printk/printk.c:2479) [ 44.390684][ T112] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 44.390686][ T112] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 44.390689][ T112] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 44.390694][ T112] _printk (kernel/printk/printk.c:2504) [ 44.390697][ T112] ? snapshot_read.cold (user.c:?) [ 44.390703][ T112] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.390707][ T112] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 44.390711][ T112] br_init_port (net/bridge/br_stp_if.c:39) [ 44.390714][ T112] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 44.390716][ T112] br_port_carrier_check (net/bridge/br_if.c:90) [ 44.390720][ T112] br_device_event (net/bridge/br.c:101) [ 44.390723][ T112] ? packet_sendmsg_spkt (af_packet.c:?) [ 44.390725][ T112] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 44.390736][ T112] notifier_call_chain (kernel/notifier.c:85) [ 44.390742][ T112] netif_state_change (net/core/dev.c:1625) [ 44.390746][ T112] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 44.390751][ T112] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 44.390753][ T112] __linkwatch_run_queue (net/core/link_watch.c:240) [ 44.390757][ T112] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 44.390760][ T112] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.390765][ T112] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 44.390767][ T112] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 44.390771][ T112] process_one_work (kernel/workqueue.c:3387) [ 44.390777][ T112] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 44.390779][ T112] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.390787][ T112] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 44.390791][ T112] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.390792][ T112] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 44.390796][ T112] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.390798][ T112] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 44.390800][ T112] kthread (kernel/kthread.c:436) [ 44.390802][ T112] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 44.390805][ T112] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.390808][ T112] ret_from_fork (arch/x86/kernel/process.c:158) [ 44.390813][ T112] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 44.390816][ T112] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 44.390820][ T112] ? kthread_affine_preferred (kernel/kthread.c:857) [ 44.390823][ T112] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 45.596788][ T375] softirqs last disabled at (43086): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 45.596790][ T375] Preemption disabled at: | [ 45.596791][ T375] vprintk_emit (kernel/printk/printk.c:2471) | [ 45.596800][ T375] Tainted: [W]=WARN [ 45.596801][ T375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.596803][ T375] Call Trace: [ 45.596804][ T375] [ 45.596806][ T375] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 45.596811][ T375] ? vprintk_emit (kernel/printk/printk.c:2471) [ 45.596813][ T375] __might_resched.cold (kernel/sched/core.c:9234) [ 45.596817][ T375] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 45.596821][ T375] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 45.596826][ T375] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 45.596829][ T375] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.596835][ T375] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 45.596837][ T375] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.596841][ T375] put_chars (drivers/char/virtio_console.c:1176) [ 45.596844][ T375] ? __send_to_port (drivers/char/virtio_console.c:654) [ 45.596847][ T375] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 45.596851][ T375] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 45.596854][ T375] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 45.596858][ T375] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 45.596862][ T375] ? mark_usage (kernel/locking/lockdep.c:4690) [ 45.596864][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.596866][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.596870][ T375] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 45.596873][ T375] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 45.596875][ T375] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.596877][ T375] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.596882][ T375] console_emit_next_record (kernel/printk/printk.c:3183) [ 45.596885][ T375] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 45.596889][ T375] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.596891][ T375] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.596895][ T375] console_flush_one_record (kernel/printk/printk.c:3268) [ 45.596898][ T375] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 45.596900][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.596905][ T375] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 45.596908][ T375] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 45.596909][ T375] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.596911][ T375] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 45.596915][ T375] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 45.596917][ T375] ? vprintk_emit (kernel/printk/printk.c:2478) [ 45.596919][ T375] vprintk_emit (kernel/printk/printk.c:2479) [ 45.596923][ T375] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 45.596928][ T375] _printk (kernel/printk/printk.c:2504) [ 45.596931][ T375] ? snapshot_read.cold (user.c:?) [ 45.596935][ T375] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 45.596937][ T375] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 45.596940][ T375] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 45.596943][ T375] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 45.596946][ T375] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 45.596949][ T375] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 45.596951][ T375] ? netdev_notice (net/core/dev.c:13194) [ 45.596956][ T375] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 45.596959][ T375] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 45.596963][ T375] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 45.596967][ T375] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 45.596972][ T375] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 45.596975][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5123) [ 45.596977][ T375] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 45.596980][ T375] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 45.596987][ T375] ? packet_sendmsg_spkt (af_packet.c:?) [ 45.596992][ T375] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 45.596994][ T375] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 45.596997][ T375] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 45.597001][ T375] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 45.597007][ T375] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 45.597009][ T375] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 45.597011][ T375] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 45.597013][ T375] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 45.597019][ T375] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 45.597021][ T375] ? mark_usage (kernel/locking/lockdep.c:4690) [ 45.597023][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.597025][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.597027][ T375] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 45.597048][ T375] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.597050][ T375] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 45.597053][ T375] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 45.597055][ T375] ? mark_usage (kernel/locking/lockdep.c:4690) [ 45.597058][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.597064][ T375] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.597066][ T375] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 45.597069][ T375] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 45.597071][ T375] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 45.597075][ T375] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 45.597077][ T375] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 45.597081][ T375] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 45.597083][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.597087][ T375] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.597089][ T375] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 45.597093][ T375] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 45.597096][ T375] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 45.597099][ T375] ? netlink_ack (./include/linux/skbuff.h:2718) [ 45.597105][ T375] ? 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)) [ 45.597107][ T375] ? 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)) [ 45.597111][ T375] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 45.597115][ T375] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 45.597117][ T375] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.597121][ T375] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 45.597125][ T375] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 45.597129][ T375] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 45.597135][ T375] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 45.597138][ T375] ? copy_msghdr_from_user (net/socket.c:2650) [ 45.597140][ T375] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 45.597141][ T375] ? move_addr_to_kernel (net/socket.c:258) [ 45.597148][ T375] ___sys_sendmsg (net/socket.c:2767) [ 45.597151][ T375] ? copy_msghdr_from_user (net/socket.c:2619) [ 45.597165][ T375] __sys_sendmsg (net/socket.c:2799) [ 45.597168][ T375] ? __sys_sendmsg_sock (net/socket.c:2780) [ 45.597174][ T375] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.597177][ T375] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 45.597179][ T375] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 45.597182][ T375] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 45.597184][ T375] RIP: 0033:0x7f2a2d06454e [ 45.597188][ T375] 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 [ 45.597190][ T375] RSP: 002b:00007ffc153ce3f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 45.597192][ T375] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2a2d06454e [ 45.597194][ T375] RDX: 0000000000000000 RSI: 00007ffc153ce4a0 RDI: 0000000000000005 [ 45.597195][ T375] RBP: 00007ffc153ce400 R08: 0000000000000000 R09: 0000000000000000 [ 45.597196][ T375] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afe2 Finger prints: br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars