====================================== | [ 9.414491][ T187] softirqs last disabled at (25750): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.414494][ T187] Preemption disabled at: | [ 9.414494][ T187] 0x0 | [ 9.414504][ T187] Tainted: [W]=WARN [ 9.414505][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.414507][ T187] Call Trace: [ 9.414508][ T187] [ 9.414510][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.414516][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 9.414520][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.414525][ T187] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.414530][ T187] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.414532][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.414538][ T187] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.414540][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.414543][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 9.414546][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.414548][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.414553][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.414558][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.414564][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.414567][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.414569][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.414573][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.414577][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.414579][ T187] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 9.414582][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.414584][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.414588][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.414593][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.414594][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.414600][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.414603][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.414604][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.414607][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.414610][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.414612][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.414616][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 9.414619][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.414623][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.414627][ T187] _printk (kernel/printk/printk.c:2504) [ 9.414630][ T187] ? snapshot_read.cold (user.c:?) [ 9.414633][ T187] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.414636][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.414640][ T187] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.414643][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.414646][ T187] ? exit_notify (kernel/exit.c:780) [ 9.414648][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.414651][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.414655][ T187] do_group_exit (kernel/exit.c:1151) [ 9.414658][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.414660][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.414662][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.414665][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.414669][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.414671][ T187] RIP: 0033:0x7f23abaee1b8 [ 9.414673][ T187] Code: Unable to access opcode bytes at 0x7f23abaee18e. Code starting with the faulting instruction =========================================== [ 9.414674][ T187] RSP: 002b:00007ffc13402ac8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.414677][ T187] RAX: ffffffffffffffda RBX: 00007f23abc1ef88 RCX: 00007f23abaee1b8 [ 9.414678][ T187] RDX: 00007f23ab838fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.414679][ T187] RBP: 00007ffc13402b20 R08: 0000000000000000 R09: 0000000000008010 [ 9.414680][ T187] R10: 00007ffc134028e0 R11: 0000000000000246 R12: 0000000000000001 [ 9.414680][ T187] R13: 0000000000000000 R14: 00007f23abc1d680 R15: 00007f23abc1efa0 | [ 11.253608][ T257] softirqs last disabled at (12908): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 11.253611][ T257] Preemption disabled at: | [ 11.253611][ T257] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.253621][ T257] Tainted: [W]=WARN [ 11.253622][ T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.253624][ T257] Call Trace: [ 11.253625][ T257] [ 11.253627][ T257] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.253632][ T257] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.253635][ T257] __might_resched.cold (kernel/sched/core.c:9234) [ 11.253640][ T257] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.253644][ T257] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.253650][ T257] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 11.253652][ T257] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.253660][ T257] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 11.253664][ T257] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.253669][ T257] put_chars (drivers/char/virtio_console.c:1176) [ 11.253673][ T257] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.253678][ T257] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.253681][ T257] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.253684][ T257] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.253686][ T257] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.253688][ T257] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.253692][ T257] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.253694][ T257] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 11.253697][ T257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.253701][ T257] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.253705][ T257] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.253709][ T257] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.253710][ T257] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 11.253714][ T257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.253716][ T257] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.253720][ T257] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.253724][ T257] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.253726][ T257] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.253731][ T257] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.253734][ T257] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.253736][ T257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.253739][ T257] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.253742][ T257] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.253744][ T257] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.253747][ T257] vprintk_emit (kernel/printk/printk.c:2479) [ 11.253751][ T257] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.253754][ T257] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.253755][ T257] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 11.253760][ T257] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.253763][ T257] _printk (kernel/printk/printk.c:2504) [ 11.253767][ T257] ? snapshot_read.cold (user.c:?) [ 11.253771][ T257] ? br_multicast_flood (??:?) bridge [ 11.253784][ T257] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.253785][ T257] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.253786][ T257] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.253791][ T257] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 11.253801][ T257] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 11.253809][ T257] new_nbp (net/bridge/br_if.c:449) bridge [ 11.253819][ T257] br_add_if (net/bridge/br_if.c:592) bridge [ 11.253826][ T257] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 11.253830][ T257] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 11.253833][ T257] ? __kernel_text_address (kernel/extable.c:79) [ 11.253837][ T257] do_set_master (net/core/rtnetlink.c:3071) [ 11.253842][ T257] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.253845][ T257] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.253848][ T257] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.253850][ T257] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.253852][ T257] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.253856][ T257] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.253859][ T257] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.253860][ T257] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.253863][ T257] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.253866][ T257] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.253868][ T257] ? kasan_save_track (mm/kasan/common.c:78) [ 11.253871][ T257] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.253873][ T257] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 11.253876][ T257] ? ___sys_sendmsg (net/socket.c:2757) [ 11.253880][ T257] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.253882][ T257] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.253885][ T257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.253887][ T257] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.253889][ T257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.253891][ T257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.253893][ T257] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.253897][ T257] ? __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) [ 11.253899][ T257] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.253901][ T257] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.253905][ T257] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.253906][ T257] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.253911][ T257] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.253917][ T257] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.253922][ T257] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.253924][ T257] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.253928][ T257] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.253930][ T257] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.253932][ T257] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.253934][ T257] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.253938][ T257] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.253940][ T257] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.253943][ T257] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.253944][ T257] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.253949][ T257] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.253951][ T257] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.253954][ T257] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.253956][ T257] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.253959][ T257] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.253965][ T257] ? 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)) [ 11.253967][ T257] ? 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)) [ 11.253971][ T257] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.253975][ T257] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.253978][ T257] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.253982][ T257] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.253986][ T257] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.253990][ T257] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.253995][ T257] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 11.253997][ T257] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.254000][ T257] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 11.254001][ T257] ? move_addr_to_kernel (net/socket.c:258) [ 11.254009][ T257] ___sys_sendmsg (net/socket.c:2767) [ 11.254011][ T257] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.254027][ T257] __sys_sendmsg (net/socket.c:2799) [ 11.254030][ T257] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.254037][ T257] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.254040][ T257] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.254043][ T257] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.254046][ T257] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.254048][ T257] RIP: 0033:0x7f0866b3154e [ 11.254052][ T257] 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 [ 11.254053][ T257] RSP: 002b:00007ffe715b7fb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.254056][ T257] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f0866b3154e [ 11.254058][ T257] RDX: 0000000000000000 RSI: 00007ffe715b8060 RDI: 0000000000000005 [ 11.254058][ T257] RBP: 00007ffe715b7fc0 R08: 0000000000000000 R09: 0000000000000000 [ 11.254059][ T257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b6ad [ 11.254060][ T257] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe715b8720 | [ 13.933126][ T361] softirqs last disabled at (12838): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 13.933129][ T361] Preemption disabled at: | [ 13.933129][ T361] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.933139][ T361] Tainted: [W]=WARN [ 13.933140][ T361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.933141][ T361] Call Trace: [ 13.933143][ T361] [ 13.933144][ T361] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.933150][ T361] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.933152][ T361] __might_resched.cold (kernel/sched/core.c:9234) [ 13.933157][ T361] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.933161][ T361] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.933166][ T361] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 13.933169][ T361] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.933174][ T361] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 13.933177][ T361] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.933180][ T361] put_chars (drivers/char/virtio_console.c:1176) [ 13.933183][ T361] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 13.933185][ T361] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.933188][ T361] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.933192][ T361] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.933194][ T361] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.933198][ T361] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.933201][ T361] ? mark_usage (kernel/locking/lockdep.c:4690) [ 13.933203][ T361] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.933204][ T361] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.933208][ T361] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.933210][ T361] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 13.933213][ T361] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.933216][ T361] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.933220][ T361] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.933224][ T361] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.933225][ T361] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 13.933228][ T361] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.933231][ T361] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.933240][ T361] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.933244][ T361] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.933246][ T361] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.933251][ T361] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.933254][ T361] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.933256][ T361] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.933258][ T361] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.933262][ T361] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.933263][ T361] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.933267][ T361] vprintk_emit (kernel/printk/printk.c:2479) [ 13.933271][ T361] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.933273][ T361] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.933276][ T361] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 13.933279][ T361] _printk (kernel/printk/printk.c:2504) [ 13.933283][ T361] ? snapshot_read.cold (user.c:?) [ 13.933287][ T361] ? br_multicast_flood (??:?) bridge [ 13.933299][ T361] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 13.933301][ T361] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.933302][ T361] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.933307][ T361] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 13.933317][ T361] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 13.933325][ T361] new_nbp (net/bridge/br_if.c:449) bridge [ 13.933338][ T361] br_add_if (net/bridge/br_if.c:592) bridge [ 13.933345][ T361] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 13.933349][ T361] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 13.933352][ T361] ? __kernel_text_address (kernel/extable.c:79) [ 13.933356][ T361] do_set_master (net/core/rtnetlink.c:3071) [ 13.933360][ T361] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 13.933363][ T361] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 13.933366][ T361] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 13.933368][ T361] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 13.933370][ T361] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 13.933373][ T361] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.933376][ T361] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.933377][ T361] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.933380][ T361] ? kasan_save_stack (mm/kasan/common.c:58) [ 13.933383][ T361] ? kasan_save_stack (mm/kasan/common.c:57) [ 13.933385][ T361] ? kasan_save_track (mm/kasan/common.c:78) [ 13.933387][ T361] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.933389][ T361] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 13.933392][ T361] ? ___sys_sendmsg (net/socket.c:2757) [ 13.933397][ T361] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.933399][ T361] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 13.933401][ T361] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.933403][ T361] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.933405][ T361] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.933407][ T361] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.933409][ T361] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 13.933413][ T361] ? __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) [ 13.933416][ T361] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 13.933418][ T361] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 13.933421][ T361] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 13.933423][ T361] ? nla_get_range_signed (lib/nlattr.c:270) [ 13.933428][ T361] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 13.933433][ T361] rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.933438][ T361] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.933440][ T361] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.933444][ T361] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.933446][ T361] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.933448][ T361] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.933450][ T361] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.933454][ T361] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.933456][ T361] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.933459][ T361] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.933460][ T361] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.933464][ T361] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.933466][ T361] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.933470][ T361] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 13.933471][ T361] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.933474][ T361] ? netlink_ack (./include/linux/skbuff.h:2718) [ 13.933480][ T361] ? 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)) [ 13.933482][ T361] ? 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)) [ 13.933486][ T361] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 13.933490][ T361] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 13.933492][ T361] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.933496][ T361] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 13.933500][ T361] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 13.933504][ T361] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 13.933509][ T361] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 13.933511][ T361] ? copy_msghdr_from_user (net/socket.c:2650) [ 13.933513][ T361] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 13.933515][ T361] ? move_addr_to_kernel (net/socket.c:258) [ 13.933522][ T361] ___sys_sendmsg (net/socket.c:2767) [ 13.933525][ T361] ? copy_msghdr_from_user (net/socket.c:2619) [ 13.933540][ T361] __sys_sendmsg (net/socket.c:2799) [ 13.933543][ T361] ? __sys_sendmsg_sock (net/socket.c:2780) [ 13.933549][ T361] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.933553][ T361] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.933555][ T361] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.933558][ T361] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.933560][ T361] RIP: 0033:0x7f9886c4554e [ 13.933564][ T361] 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 [ 13.933565][ T361] RSP: 002b:00007ffd270b8500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 13.933568][ T361] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9886c4554e [ 13.933570][ T361] RDX: 0000000000000000 RSI: 00007ffd270b85b0 RDI: 0000000000000005 [ 13.933571][ T361] RBP: 00007ffd270b8510 R08: 0000000000000000 R09: 0000000000000000 [ 13.933571][ T361] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b6b0 [ 13.933572][ T361] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd270b8c70 | [ 15.993165][ C3] | [ 15.993165][ C3] | [ 15.993165][ C3] stack backtrace: | [ 15.993171][ C3] Tainted: [W]=WARN [ 15.993172][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.993174][ C3] Workqueue: ipv6_addrconf addrconf_dad_work [ 15.993177][ C3] Call Trace: [ 15.993178][ C3] [ 15.993180][ C3] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.993184][ C3] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 15.993186][ C3] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 15.993189][ C3] mark_lock (kernel/locking/lockdep.c:4769) [ 15.993191][ C3] mark_usage (kernel/locking/lockdep.c:4658) [ 15.993192][ C3] __lock_acquire (kernel/locking/lockdep.c:5208) [ 15.993194][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.993196][ C3] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.993198][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.993201][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.993203][ C3] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.993205][ C3] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 15.993207][ C3] console_emit_next_record (kernel/printk/printk.c:3177) [ 15.993209][ C3] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.993210][ C3] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 15.993213][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.993214][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.993216][ C3] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.993218][ C3] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.993220][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.993222][ C3] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.993224][ C3] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.993226][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.993227][ C3] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.993229][ C3] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.993231][ C3] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.993233][ C3] vprintk_emit (kernel/printk/printk.c:2479) [ 15.993235][ C3] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.993237][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.993239][ C3] _printk (kernel/printk/printk.c:2504) [ 15.993246][ C3] ? snapshot_read.cold (user.c:?) [ 15.993248][ C3] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 15.993251][ C3] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 15.993258][ C3] ? idr_get_free (??:?) [ 15.993260][ C3] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 15.993268][ C3] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 15.993275][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.993276][ C3] ? __allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:612) bridge [ 15.993285][ C3] ? br_allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:657) bridge [ 15.993292][ C3] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 15.993300][ C3] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 15.993306][ C3] ? validate_chain (kernel/locking/lockdep.c:157 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924) [ 15.993309][ C3] ? vxlan_rcv (./include/linux/rcupdate.h:882 drivers/net/vxlan/vxlan_core.c:1804) vxlan [ 15.993314][ C3] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 15.993321][ C3] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 15.993327][ C3] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 15.993330][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.993334][ C3] ? do_xdp_generic (net/core/dev.c:5732) [ 15.993336][ C3] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:842) [ 15.993337][ C3] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:844) [ 15.993339][ C3] ? udp6_unicast_rcv_skb (net/ipv6/udp.c:1029) [ 15.993340][ C3] ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:498 (discriminator 54)) [ 15.993342][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.993344][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.993346][ C3] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 15.993348][ C3] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 15.993350][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.993352][ C3] ? netif_receive_skb_list_internal (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/core/dev.c:6482 (discriminator 2)) [ 15.993354][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.993356][ C3] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 15.993358][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.993359][ C3] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 15.993361][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.993362][ C3] ? validate_chain (kernel/locking/lockdep.c:154 (discriminator 5) kernel/locking/lockdep.c:202 (discriminator 5) kernel/locking/lockdep.c:3329 (discriminator 5) kernel/locking/lockdep.c:3924 (discriminator 5)) [ 15.993364][ C3] ? dev_gro_receive (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/gro.c:533 (discriminator 2)) [ 15.993365][ C3] ? dev_gro_receive (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/core/gro.c:572) [ 15.993367][ C3] gro_receive_skb (./include/net/gro.h:523 ./include/net/gro.h:543 net/core/gro.c:617 net/core/gro.c:647) [ 15.993369][ C3] gro_cell_poll (./include/linux/netdevice.h:4346 net/core/gro_cells.c:71) [ 15.993371][ C3] __napi_poll (net/core/dev.c:7787) [ 15.993373][ C3] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 15.993376][ C3] ? wakeup_preempt_fair (kernel/sched/fair.c:1142 kernel/sched/fair.c:10033) [ 15.993379][ C3] ? __napi_poll (./include/net/gro.h:507) [ 15.993381][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.993383][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.993385][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.993387][ C3] handle_softirqs (kernel/softirq.c:645) [ 15.993389][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 15.993390][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.993392][ C3] ? trace_csd_function_exit (./include/trace/events/csd.h:64 (discriminator 22)) [ 15.993395][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 15.993397][ C3] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 15.993398][ C3] [ 15.993399][ C3] [ 15.993399][ C3] __local_bh_enable_ip (kernel/softirq.c:473) [ 15.993401][ C3] __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 15.993404][ C3] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 15.993406][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.993407][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.993408][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.993410][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.993411][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.993413][ C3] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 15.993416][ C3] ? neigh_hh_output (./include/net/neighbour.h:525) [ 15.993418][ C3] ip6_finish_output2 (./include/net/neighbour.h:558 net/ipv6/ip6_output.c:138) [ 15.993420][ C3] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 15.993421][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.993423][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.993424][ C3] ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2)) [ 15.993427][ C3] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 15.993428][ C3] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 15.993430][ C3] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 15.993431][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.993433][ C3] ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049) [ 15.993435][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.993437][ C3] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 15.993438][ C3] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 15.993440][ C3] ? icmp6_dst_alloc (net/ipv6/route.c:3364) [ 15.993442][ C3] mld_sendpack (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) ./include/linux/netfilter.h:319 (discriminator 4) net/ipv6/mcast.c:1890 (discriminator 4)) [ 15.993444][ C3] ? mld_dad_start_work (net/ipv6/mcast.c:1153) [ 15.993447][ C3] ipv6_mc_dad_complete (net/ipv6/mcast.c:2316) [ 15.993449][ C3] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 15.993450][ C3] addrconf_dad_completed (net/ipv6/addrconf.c:4376) [ 15.993452][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.993454][ C3] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 15.993456][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.993457][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.993459][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.993461][ C3] ? addrconf_dad_work (net/ipv6/addrconf.c:4304) [ 15.993462][ C3] addrconf_dad_work (net/ipv6/addrconf.c:4304) [ 15.993464][ C3] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 15.993466][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.993468][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.993469][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.993471][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.993473][ C3] process_one_work (kernel/workqueue.c:3387) [ 15.993475][ C3] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 15.993477][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.993480][ C3] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 15.993483][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 15.993484][ C3] kthread (kernel/kthread.c:436) [ 15.993486][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.993488][ C3] ? kthread_affine_preferred (kernel/kthread.c:857) [ 15.993490][ C3] ret_from_fork (arch/x86/kernel/process.c:158) [ 15.993491][ C3] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 15.993493][ C3] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 15.993496][ C3] ? kthread_affine_preferred (kernel/kthread.c:857) [ 15.993497][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 15.993516][ C3] softirqs last disabled at (42275): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 15.993517][ C3] Preemption disabled at: | [ 15.993518][ C3] __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 15.993522][ C3] Tainted: [W]=WARN [ 15.993523][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.993523][ C3] Workqueue: ipv6_addrconf addrconf_dad_work [ 15.993526][ C3] Call Trace: [ 15.993526][ C3] [ 15.993527][ C3] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.993529][ C3] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) [ 15.993530][ C3] __might_resched.cold (kernel/sched/core.c:9234) [ 15.993533][ C3] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.993536][ C3] ? nbcon_get_cpu_emergency_nesting (kernel/printk/nbcon.c:1424) [ 15.993538][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.993540][ C3] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 15.993541][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.993543][ C3] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.993545][ C3] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 15.993546][ C3] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.993548][ C3] put_chars (drivers/char/virtio_console.c:1176) [ 15.993550][ C3] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.993551][ C3] ? mark_lock (kernel/locking/lockdep.c:4769) [ 15.993553][ C3] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.993556][ C3] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.993557][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.993559][ C3] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.993561][ C3] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.993563][ C3] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 15.993565][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.993566][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.993568][ C3] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.993570][ C3] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.993572][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.993574][ C3] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.993576][ C3] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.993578][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.993579][ C3] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.993581][ C3] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.993583][ C3] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.993585][ C3] vprintk_emit (kernel/printk/printk.c:2479) [ 15.993587][ C3] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.993588][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.993591][ C3] _printk (kernel/printk/printk.c:2504) [ 15.993592][ C3] ? snapshot_read.cold (user.c:?) [ 15.993594][ C3] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 15.993596][ C3] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 15.993602][ C3] ? idr_get_free (??:?) [ 15.993604][ C3] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 15.993611][ C3] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 15.993618][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.993619][ C3] ? __allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:612) bridge [ 15.993626][ C3] ? br_allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:657) bridge [ 15.993634][ C3] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 15.993642][ C3] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 15.993648][ C3] ? validate_chain (kernel/locking/lockdep.c:157 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924) [ 15.993650][ C3] ? vxlan_rcv (./include/linux/rcupdate.h:882 drivers/net/vxlan/vxlan_core.c:1804) vxlan [ 15.993654][ C3] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 15.993660][ C3] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 15.993666][ C3] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 15.993669][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.993671][ C3] ? do_xdp_generic (net/core/dev.c:5732) [ 15.993673][ C3] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:842) [ 15.993674][ C3] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:844) [ 15.993676][ C3] ? udp6_unicast_rcv_skb (net/ipv6/udp.c:1029) [ 15.993677][ C3] ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:498 (discriminator 54)) [ 15.993679][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.993680][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.993682][ C3] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 15.993685][ C3] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 15.993686][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.993688][ C3] ? netif_receive_skb_list_internal (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/core/dev.c:6482 (discriminator 2)) [ 15.993690][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.993692][ C3] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 15.993694][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.993695][ C3] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 15.993697][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.993698][ C3] ? validate_chain (kernel/locking/lockdep.c:154 (discriminator 5) kernel/locking/lockdep.c:202 (discriminator 5) kernel/locking/lockdep.c:3329 (discriminator 5) kernel/locking/lockdep.c:3924 (discriminator 5)) [ 15.993700][ C3] ? dev_gro_receive (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/gro.c:533 (discriminator 2)) [ 15.993701][ C3] ? dev_gro_receive (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/core/gro.c:572) [ 15.993703][ C3] gro_receive_skb (./include/net/gro.h:523 ./include/net/gro.h:543 net/core/gro.c:617 net/core/gro.c:647) [ 15.993704][ C3] gro_cell_poll (./include/linux/netdevice.h:4346 net/core/gro_cells.c:71) [ 15.993707][ C3] __napi_poll (net/core/dev.c:7787) [ 15.993709][ C3] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 15.993711][ C3] ? wakeup_preempt_fair (kernel/sched/fair.c:1142 kernel/sched/fair.c:10033) [ 15.993713][ C3] ? __napi_poll (./include/net/gro.h:507) [ 15.993715][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.993718][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.993719][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.993721][ C3] handle_softirqs (kernel/softirq.c:645) [ 15.993723][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 15.993724][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.993726][ C3] ? trace_csd_function_exit (./include/trace/events/csd.h:64 (discriminator 22)) [ 15.993727][ C3] ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 15.993729][ C3] do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) [ 15.993730][ C3] [ 15.993731][ C3] [ 15.993731][ C3] __local_bh_enable_ip (kernel/softirq.c:473) [ 15.993733][ C3] __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2)) [ 15.993736][ C3] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 15.993737][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.993739][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.993740][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.993741][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.993743][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.993745][ C3] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 15.993746][ C3] ? neigh_hh_output (./include/net/neighbour.h:525) [ 15.993748][ C3] ip6_finish_output2 (./include/net/neighbour.h:558 net/ipv6/ip6_output.c:138) [ 15.993750][ C3] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 15.993751][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.993752][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.993754][ C3] ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2)) [ 15.993756][ C3] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 15.993757][ C3] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 15.993759][ C3] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 15.993760][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.993762][ C3] ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049) [ 15.993763][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.993765][ C3] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 15.993766][ C3] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 15.993768][ C3] ? icmp6_dst_alloc (net/ipv6/route.c:3364) [ 15.993769][ C3] mld_sendpack (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) ./include/linux/netfilter.h:319 (discriminator 4) net/ipv6/mcast.c:1890 (discriminator 4)) [ 15.993771][ C3] ? mld_dad_start_work (net/ipv6/mcast.c:1153) [ 15.993775][ C3] ipv6_mc_dad_complete (net/ipv6/mcast.c:2316) [ 15.993776][ C3] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 15.993778][ C3] addrconf_dad_completed (net/ipv6/addrconf.c:4376) [ 15.993780][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.993781][ C3] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 15.993783][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.993784][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.993786][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.993788][ C3] ? addrconf_dad_work (net/ipv6/addrconf.c:4304) [ 15.993789][ C3] addrconf_dad_work (net/ipv6/addrconf.c:4304) [ 15.993791][ C3] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 15.993793][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.993795][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.993796][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.993798][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.993800][ C3] process_one_work (kernel/workqueue.c:3387) [ 15.993803][ C3] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 15.993804][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.993807][ C3] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 15.993810][ C3] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 15.993811][ C3] kthread (kernel/kthread.c:436) [ 15.993813][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.993814][ C3] ? kthread_affine_preferred (kernel/kthread.c:857) [ 15.993816][ C3] ret_from_fork (arch/x86/kernel/process.c:158) [ 15.993817][ C3] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 15.993819][ C3] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 15.993820][ C3] ? kthread_affine_preferred (kernel/kthread.c:857) [ 15.993822][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 26.671829][ T12] softirqs last disabled at (42275): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 26.671833][ T12] Preemption disabled at: | [ 26.671834][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 26.671844][ T12] Tainted: [W]=WARN [ 26.671845][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.671847][ T12] Workqueue: netns cleanup_net [ 26.671853][ T12] Call Trace: [ 26.671855][ T12] [ 26.671857][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.671862][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 26.671864][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 26.671868][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.671872][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.671876][ 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)) [ 26.671880][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.671883][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.671887][ 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) [ 26.671888][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.671890][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 26.671892][ T12] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 26.671894][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.671896][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 26.671899][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.671903][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.671904][ T12] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 26.671906][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.671907][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.671909][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.671911][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.671913][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.671916][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.671918][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.671920][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.671922][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.671924][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.671926][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 26.671928][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.671930][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.671933][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.671935][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.671937][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.671939][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.671940][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 26.671942][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 26.671944][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 26.671946][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.671948][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.671950][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 26.671953][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.671955][ T12] ? process_one_work (kernel/workqueue.c:3387) [ 26.671958][ T12] ? kthread (kernel/kthread.c:436) [ 26.671960][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 26.671962][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 26.671965][ T12] _printk (kernel/printk/printk.c:2504) [ 26.671969][ T12] ? snapshot_read.cold (user.c:?) [ 26.671971][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 26.671974][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 26.671976][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 26.671978][ T12] ? netdev_notice (net/core/dev.c:13194) [ 26.671980][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.671982][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 26.671984][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 26.671986][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 26.671988][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 26.671991][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 26.671994][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 26.671996][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 26.672011][ T12] br_dev_delete (net/bridge/br_if.c:387) bridge [ 26.672020][ T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 26.672029][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 26.672031][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 26.672033][ T12] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3206 (discriminator 6)) [ 26.672036][ T12] cleanup_net (net/core/net_namespace.c:706) [ 26.672038][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 26.672040][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.672042][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.672044][ T12] process_one_work (kernel/workqueue.c:3387) [ 26.672047][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 26.672049][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.672052][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.672054][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 26.672057][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 26.672059][ T12] kthread (kernel/kthread.c:436) [ 26.672060][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 26.672062][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 26.672064][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 26.672066][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 26.672068][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 26.672070][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable do_softirq:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars do_softirq:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars