======================================
| [   11.393737][  T187] softirqs last disabled at (30024): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   11.393739][  T187] Preemption disabled at:
| [   11.393740][  T187] 0x0
| [   11.393751][  T187] Tainted: [W]=WARN
[   11.393751][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.393753][  T187] Call Trace:
[   11.393755][  T187]  <TASK>
[   11.393756][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.393763][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.393767][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.393771][  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)
[   11.393776][  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))
[   11.393779][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.393784][  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)
[   11.393786][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.393790][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[   11.393792][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.393794][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.393798][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.393803][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.393810][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.393812][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.393814][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.393818][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.393822][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.393823][  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))
[   11.393826][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.393829][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.393832][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.393836][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.393838][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.393843][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.393846][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.393848][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.393850][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.393854][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.393855][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.393858][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.393862][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.393865][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.393869][  T187]  _printk (kernel/printk/printk.c:2504)
[   11.393872][  T187]  ? snapshot_read.cold (user.c:?)
[   11.393875][  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)
[   11.393878][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.393881][  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)
[   11.393884][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   11.393887][  T187]  ? exit_notify (kernel/exit.c:780)
[   11.393889][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.393892][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.393896][  T187]  do_group_exit (kernel/exit.c:1151)
[   11.393899][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   11.393900][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   11.393902][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.393905][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.393909][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.393911][  T187] RIP: 0033:0x7fb4421e61b8
[   11.393913][  T187] Code: Unable to access opcode bytes at 0x7fb4421e618e.

Code starting with the faulting instruction
===========================================
[   11.393914][  T187] RSP: 002b:00007ffd98d28998 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   11.393917][  T187] RAX: ffffffffffffffda RBX: 00007fb442316f88 RCX: 00007fb4421e61b8
[   11.393918][  T187] RDX: 00007fb441f30fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   11.393919][  T187] RBP: 00007ffd98d289f0 R08: 0000000000000000 R09: 0000000000008010
[   11.393920][  T187] R10: 00007ffd98d287b0 R11: 0000000000000246 R12: 0000000000000001
[   11.393921][  T187] R13: 0000000000000000 R14: 00007fb442315680 R15: 00007fb442316fa0
| [   12.981457][  T247] softirqs last disabled at (22356): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.981459][  T247] Preemption disabled at:
| [   12.981460][  T247] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.981470][  T247] Tainted: [W]=WARN
[   12.981471][  T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.981473][  T247] Call Trace:
[   12.981475][  T247]  <TASK>
[   12.981476][  T247]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.981482][  T247]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.981485][  T247]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.981490][  T247]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.981494][  T247]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.981499][  T247]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.981501][  T247]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.981507][  T247]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.981510][  T247]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.981513][  T247]  put_chars (drivers/char/virtio_console.c:1176)
[   12.981516][  T247]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.981520][  T247]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.981523][  T247]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.981526][  T247]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.981528][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.981530][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.981534][  T247]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.981536][  T247]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.981539][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.981543][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.981547][  T247]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.981551][  T247]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.981553][  T247]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.981556][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.981558][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.981562][  T247]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.981566][  T247]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.981568][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.981573][  T247]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.981576][  T247]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.981578][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.981580][  T247]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.981584][  T247]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.981586][  T247]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.981589][  T247]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.981593][  T247]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.981596][  T247]  ? 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)
[   12.981602][  T247]  _printk (kernel/printk/printk.c:2504)
[   12.981605][  T247]  ? snapshot_read.cold (user.c:?)
[   12.981609][  T247]  ? br_multicast_flood (??:?) bridge
[   12.981622][  T247]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.981623][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.981625][  T247]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.981629][  T247] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.981639][  T247] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.981647][  T247] new_nbp (net/bridge/br_if.c:449) bridge
[   12.981656][  T247] br_add_if (net/bridge/br_if.c:592) bridge
[   12.981663][  T247]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.981667][  T247]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.981670][  T247]  ? __kernel_text_address (kernel/extable.c:79)
[   12.981674][  T247]  do_set_master (net/core/rtnetlink.c:3071)
[   12.981679][  T247]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.981682][  T247]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.981685][  T247]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.981686][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.981689][  T247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.981693][  T247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.981695][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.981697][  T247]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.981700][  T247]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.981703][  T247]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.981704][  T247]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.981707][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.981709][  T247]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.981712][  T247]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.981717][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.981719][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.981721][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.981724][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.981725][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.981727][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.981729][  T247]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.981732][  T247]  ? __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)
[   12.981735][  T247]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.981738][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.981741][  T247]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.981743][  T247]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.981747][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.981753][  T247]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.981758][  T247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.981760][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.981764][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.981766][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.981768][  T247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.981770][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.981774][  T247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.981776][  T247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.981779][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.981780][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.981784][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.981786][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.981790][  T247]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.981791][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.981794][  T247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.981800][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.981802][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.981806][  T247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.981810][  T247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.981812][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.981816][  T247]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.981820][  T247]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.981824][  T247]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.981830][  T247]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.981832][  T247]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.981834][  T247]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.981836][  T247]  ? move_addr_to_kernel (net/socket.c:258)
[   12.981843][  T247]  ___sys_sendmsg (net/socket.c:2767)
[   12.981846][  T247]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.981862][  T247]  __sys_sendmsg (net/socket.c:2799)
[   12.981864][  T247]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.981871][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.981874][  T247]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.981877][  T247]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.981880][  T247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.981883][  T247] RIP: 0033:0x7f248f2e054e
[   12.981886][  T247] 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 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.981888][  T247] RSP: 002b:00007fff82bfe480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.981891][  T247] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f248f2e054e
[   12.981892][  T247] RDX: 0000000000000000 RSI: 00007fff82bfe530 RDI: 0000000000000005
[   12.981893][  T247] RBP: 00007fff82bfe490 R08: 0000000000000000 R09: 0000000000000000
[   12.981894][  T247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e439
[   12.981894][  T247] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff82bfebf0
| [   20.881040][  T303] softirqs last disabled at (13236): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   20.881042][  T303] Preemption disabled at:
| [   20.881043][  T303] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.881052][  T303] Tainted: [W]=WARN
[   20.881053][  T303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.881055][  T303] Call Trace:
[   20.881057][  T303]  <TASK>
[   20.881058][  T303]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.881064][  T303]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.881066][  T303]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.881071][  T303]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.881075][  T303]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.881080][  T303]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   20.881082][  T303]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.881088][  T303]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.881091][  T303]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.881094][  T303]  put_chars (drivers/char/virtio_console.c:1176)
[   20.881097][  T303]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.881098][  T303]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.881103][  T303]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.881108][  T303]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.881114][  T303]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.881117][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.881119][  T303]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.881123][  T303]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.881127][  T303]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.881129][  T303]  ? 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))
[   20.881132][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.881134][  T303]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.881138][  T303]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.881142][  T303]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.881144][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.881149][  T303]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.881152][  T303]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.881154][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.881156][  T303]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.881160][  T303]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.881162][  T303]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.881165][  T303]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.881169][  T303]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.881171][  T303]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.881173][  T303]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.881175][  T303]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.881177][  T303]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   20.881179][  T303]  ? ___sys_sendmsg (net/socket.c:2767)
[   20.881181][  T303]  ? __sys_sendmsg (net/socket.c:2799)
[   20.881183][  T303]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.881187][  T303]  _printk (kernel/printk/printk.c:2504)
[   20.881191][  T303]  ? snapshot_read.cold (user.c:?)
[   20.881195][  T303]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   20.881199][  T303]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   20.881202][  T303]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   20.881205][  T303]  ? netdev_notice (net/core/dev.c:13194)
[   20.881209][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.881211][  T303]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   20.881214][  T303]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   20.881215][  T303]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.881217][  T303]  ? 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)
[   20.881221][  T303]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   20.881229][  T303]  dev_set_allmulti (net/core/dev_api.c:315)
[   20.881233][  T303] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   20.881246][  T303]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   20.881252][  T303] br_del_if (net/bridge/br_if.c:732) bridge
[   20.881259][  T303]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.881262][  T303]  do_set_master (net/core/rtnetlink.c:3055)
[   20.881266][  T303]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   20.881270][  T303]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   20.881273][  T303]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   20.881274][  T303]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.881277][  T303]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.881280][  T303]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.881283][  T303]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.881284][  T303]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.881287][  T303]  ? kasan_save_stack (mm/kasan/common.c:58)
[   20.881290][  T303]  ? kasan_save_stack (mm/kasan/common.c:57)
[   20.881291][  T303]  ? kasan_save_track (mm/kasan/common.c:78)
[   20.881294][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.881296][  T303]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   20.881298][  T303]  ? ___sys_sendmsg (net/socket.c:2757)
[   20.881301][  T303]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.881303][  T303]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.881306][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.881308][  T303]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.881309][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.881311][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.881314][  T303]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   20.881316][  T303]  ? __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)
[   20.881319][  T303]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   20.881321][  T303]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.881324][  T303]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.881326][  T303]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.881331][  T303]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   20.881336][  T303]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   20.881341][  T303]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.881343][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.881347][  T303]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.881349][  T303]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.881351][  T303]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.881353][  T303]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.881356][  T303]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.881359][  T303]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.881361][  T303]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.881363][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.881367][  T303]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.881369][  T303]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.881372][  T303]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.881374][  T303]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.881377][  T303]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.881383][  T303]  ? 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))
[   20.881385][  T303]  ? 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))
[   20.881389][  T303]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.881392][  T303]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.881395][  T303]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.881399][  T303]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.881403][  T303]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.881407][  T303]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   20.881412][  T303]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   20.881415][  T303]  ? copy_msghdr_from_user (net/socket.c:2650)
[   20.881417][  T303]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   20.881418][  T303]  ? move_addr_to_kernel (net/socket.c:258)
[   20.881426][  T303]  ___sys_sendmsg (net/socket.c:2767)
[   20.881428][  T303]  ? copy_msghdr_from_user (net/socket.c:2619)
[   20.881444][  T303]  __sys_sendmsg (net/socket.c:2799)
[   20.881446][  T303]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   20.881452][  T303]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.881456][  T303]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.881457][  T303]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.881461][  T303]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.881463][  T303] RIP: 0033:0x7fbcfb64c54e
[   20.881466][  T303] 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 <c9> 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
[   20.881468][  T303] RSP: 002b:00007ffc053af450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.881471][  T303] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbcfb64c54e
[   20.881472][  T303] RDX: 0000000000000000 RSI: 00007ffc053af500 RDI: 0000000000000005
[   20.881473][  T303] RBP: 00007ffc053af460 R08: 0000000000000000 R09: 0000000000000000
[   20.881474][  T303] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e441
[   20.881474][  T303] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc053afbc0
| [   22.992500][  T305] softirqs last disabled at (14048): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   22.992502][  T305] Preemption disabled at:
| [   22.992503][  T305] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.992513][  T305] Tainted: [W]=WARN
[   22.992514][  T305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.992516][  T305] Call Trace:
[   22.992517][  T305]  <TASK>
[   22.992519][  T305]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.992526][  T305]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.992528][  T305]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.992533][  T305]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.992537][  T305]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.992542][  T305]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   22.992545][  T305]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.992550][  T305]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.992553][  T305]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.992556][  T305]  put_chars (drivers/char/virtio_console.c:1176)
[   22.992558][  T305]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   22.992560][  T305]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.992563][  T305]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.992568][  T305]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.992570][  T305]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.992574][  T305]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.992576][  T305]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.992578][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.992580][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.992584][  T305]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.992586][  T305]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   22.992589][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.992591][  T305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.992595][  T305]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.992599][  T305]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.992601][  T305]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   22.992604][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.992606][  T305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.992610][  T305]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.992614][  T305]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.992616][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.992621][  T305]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.992624][  T305]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.992626][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.992628][  T305]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   22.992631][  T305]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.992633][  T305]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.992636][  T305]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.992641][  T305]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.992643][  T305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.992646][  T305]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.992649][  T305]  _printk (kernel/printk/printk.c:2504)
[   22.992653][  T305]  ? snapshot_read.cold (user.c:?)
[   22.992657][  T305]  ? br_multicast_flood (??:?) bridge
[   22.992670][  T305]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   22.992672][  T305]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.992673][  T305]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.992677][  T305] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   22.992688][  T305] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   22.992696][  T305] new_nbp (net/bridge/br_if.c:449) bridge
[   22.992705][  T305] br_add_if (net/bridge/br_if.c:592) bridge
[   22.992712][  T305]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   22.992716][  T305]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   22.992719][  T305]  ? __kernel_text_address (kernel/extable.c:79)
[   22.992722][  T305]  do_set_master (net/core/rtnetlink.c:3071)
[   22.992727][  T305]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   22.992730][  T305]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.992733][  T305]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.992734][  T305]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.992736][  T305]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.992740][  T305]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.992742][  T305]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.992744][  T305]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.992746][  T305]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.992749][  T305]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.992751][  T305]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.992753][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.992755][  T305]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   22.992759][  T305]  ? ___sys_sendmsg (net/socket.c:2757)
[   22.992763][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.992765][  T305]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.992767][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.992770][  T305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.992771][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.992773][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.992775][  T305]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.992779][  T305]  ? __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)
[   22.992782][  T305]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.992784][  T305]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.992787][  T305]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.992789][  T305]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.992794][  T305]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.992799][  T305]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.992804][  T305]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.992806][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.992810][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.992812][  T305]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.992814][  T305]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.992816][  T305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.992819][  T305]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.992821][  T305]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.992824][  T305]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.992825][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.992830][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.992832][  T305]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.992835][  T305]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.992837][  T305]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.992840][  T305]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.992845][  T305]  ? 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))
[   22.992847][  T305]  ? 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))
[   22.992851][  T305]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.992854][  T305]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.992857][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.992861][  T305]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.992865][  T305]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.992868][  T305]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   22.992874][  T305]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   22.992876][  T305]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.992878][  T305]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   22.992880][  T305]  ? move_addr_to_kernel (net/socket.c:258)
[   22.992887][  T305]  ___sys_sendmsg (net/socket.c:2767)
[   22.992890][  T305]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.992905][  T305]  __sys_sendmsg (net/socket.c:2799)
[   22.992907][  T305]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.992913][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.992917][  T305]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.992919][  T305]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.992922][  T305]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.992925][  T305] RIP: 0033:0x7f89da6f954e
[   22.992928][  T305] 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 <c9> 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
[   22.992930][  T305] RSP: 002b:00007fff4a00dfd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.992933][  T305] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f89da6f954e
[   22.992934][  T305] RDX: 0000000000000000 RSI: 00007fff4a00e080 RDI: 0000000000000005
[   22.992935][  T305] RBP: 00007fff4a00dfe0 R08: 0000000000000000 R09: 0000000000000000
[   22.992936][  T305] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e443
[   22.992937][  T305] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4a00e740
| [   38.262329][    C2] softirqs last disabled at (795373): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   38.262331][    C2] Preemption disabled at:
| [   38.262332][    C2] 0x0
| [   38.262343][    C2] Tainted: [W]=WARN
[   38.262344][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.262347][    C2] Call Trace:
[   38.262348][    C2]  <IRQ>
[   38.262351][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.262357][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.262360][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.262364][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   38.262367][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.262371][    C2]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   38.262374][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.262376][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.262379][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   38.262381][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.262383][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   38.262385][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.262387][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   38.262390][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.262393][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.262395][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.262396][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.262398][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.262401][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.262403][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.262404][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.262406][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.262408][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   38.262409][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.262412][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.262414][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.262416][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.262417][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.262419][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.262420][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.262422][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   38.262424][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.262426][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.262428][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.262430][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.262432][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   38.262443][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.262445][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   38.262451][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   38.262456][    C2]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   38.262460][    C2]  _printk (kernel/printk/printk.c:2504)
[   38.262463][    C2]  ? snapshot_read.cold (user.c:?)
[   38.262465][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   38.262469][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.262471][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   38.262472][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   38.262475][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   38.262477][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   38.262479][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   38.262481][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   38.262483][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.262484][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   38.262491][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.262492][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.262494][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   38.262500][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   38.262502][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   38.262507][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   38.262514][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   38.262520][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   38.262522][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   38.262524][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   38.262528][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.262530][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.262531][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.262533][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   38.262535][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   38.262542][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   38.262543][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.262546][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.262548][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   38.262550][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   38.262552][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.262554][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.262556][    C2]  handle_softirqs (kernel/softirq.c:645)
[   38.262558][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.262559][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   38.262561][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   38.262563][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   38.262564][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   38.262567][    C2]  </IRQ>
[   38.262568][    C2]  <TASK>
[   38.262568][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   38.262570][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   38.262572][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   38.262575][    C2] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 f2 f5 01 	mov    0x1f5f294(%rip),%rdi        # 0x1f5f29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 b3 95 00 	sub    0x95b358(%rip),%rax        # 0x95b36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 a6 11 00 	verw   0x11a613(%rip)        # 0x11a63b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   38.262576][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   38.262580][    C2] RAX: 00000000000c22eb RBX: ff11000001bec6c0 RCX: ffffffffaf2f0307
[   38.262581][    C2] RDX: ff11000001bec6c0 RSI: ffffffffb2038b1c RDI: ffffffffb1a8d8e0
[   38.262582][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   38.262583][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   38.262584][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   38.262585][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   38.262588][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   38.262590][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   38.262592][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   38.262594][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   38.262595][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   38.262597][    C2]  ? default_idle_call (kernel/sched/idle.c:129)
[   38.262599][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.262601][    C2]  do_idle (kernel/sched/idle.c:355)
[   38.262602][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   38.262604][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   38.262606][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   38.262608][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   38.326006][    C2]
| [   38.326074][    C2]
| [   38.326074][    C2] stack backtrace:
| [   38.326299][    C2] Tainted: [W]=WARN
[   38.326300][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.326301][    C2] Call Trace:
[   38.326303][    C2]  <IRQ>
[   38.326304][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.326309][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   38.326312][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   38.326315][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   38.326317][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   38.326318][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   38.326320][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.326322][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   38.326329][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.326332][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.326334][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   38.326340][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   38.326341][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   38.326347][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   38.326353][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   38.326359][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   38.326361][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   38.326363][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   38.326367][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.326369][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.326371][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.326373][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   38.326375][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   38.326381][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   38.326383][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.326385][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.326388][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   38.326389][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   38.326391][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.326393][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.326395][    C2]  handle_softirqs (kernel/softirq.c:645)
[   38.326397][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.326398][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   38.326400][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   38.326402][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   38.326403][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   38.326405][    C2]  </IRQ>
[   38.326405][    C2]  <TASK>
[   38.326406][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   38.326407][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   38.326409][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   38.326411][    C2] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 f2 f5 01 	mov    0x1f5f294(%rip),%rdi        # 0x1f5f29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 b3 95 00 	sub    0x95b358(%rip),%rax        # 0x95b36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 a6 11 00 	verw   0x11a613(%rip)        # 0x11a63b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   38.326413][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   38.326416][    C2] RAX: 00000000000c22eb RBX: ff11000001bec6c0 RCX: ffffffffaf2f0307
[   38.326417][    C2] RDX: ff11000001bec6c0 RSI: ffffffffb2038b1c RDI: ffffffffb1a8d8e0
[   38.326418][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   38.326419][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   38.326420][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   38.326421][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   38.326423][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   38.326425][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   38.326426][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   38.326428][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   38.326429][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   38.326431][    C2]  ? default_idle_call (kernel/sched/idle.c:129)
[   38.326433][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.326435][    C2]  do_idle (kernel/sched/idle.c:355)
[   38.326436][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   38.326438][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   38.326439][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   38.326441][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   41.753189][  T412] softirqs last disabled at (0): 0x0
| [   41.753191][  T412] Preemption disabled at:
| [   41.753192][  T412] vprintk_emit (kernel/printk/printk.c:2471)
| [   41.753202][  T412] Tainted: [W]=WARN
[   41.753203][  T412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.753205][  T412] Call Trace:
[   41.753206][  T412]  <TASK>
[   41.753208][  T412]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.753213][  T412]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   41.753215][  T412]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.753219][  T412]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.753222][  T412]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   41.753227][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.753231][  T412]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   41.753234][  T412]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   41.753236][  T412]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.753240][  T412]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   41.753242][  T412]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.753244][  T412]  put_chars (drivers/char/virtio_console.c:1176)
[   41.753246][  T412]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.753248][  T412]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   41.753250][  T412]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.753253][  T412]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.753254][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.753256][  T412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.753258][  T412]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.753261][  T412]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.753262][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.753264][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.753266][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.753267][  T412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.753269][  T412]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   41.753271][  T412]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.753273][  T412]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.753276][  T412]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.753277][  T412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.753279][  T412]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.753280][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.753282][  T412]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.753283][  T412]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   41.753285][  T412]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   41.753287][  T412]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.753289][  T412]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.753291][  T412]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.753293][  T412]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.753295][  T412]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.753298][  T412]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.753300][  T412]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.753302][  T412]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.753304][  T412]  ? ___sys_sendmsg (net/socket.c:2767)
[   41.753306][  T412]  ? __sys_sendmsg (net/socket.c:2799)
[   41.753307][  T412]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.753310][  T412]  _printk (kernel/printk/printk.c:2504)
[   41.753313][  T412]  ? snapshot_read.cold (user.c:?)
[   41.753316][  T412]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   41.753318][  T412]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   41.753320][  T412]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   41.753322][  T412]  ? netdev_notice (net/core/dev.c:13194)
[   41.753323][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.753325][  T412]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   41.753326][  T412]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   41.753329][  T412]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   41.753330][  T412]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   41.753333][  T412]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   41.753336][  T412]  dev_set_allmulti (net/core/dev_api.c:315)
[   41.753339][  T412] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   41.753350][  T412]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   41.753353][  T412]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   41.753356][  T412] br_del_if (net/bridge/br_if.c:732) bridge
[   41.753363][  T412]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.753366][  T412]  do_set_master (net/core/rtnetlink.c:3055)
[   41.753368][  T412]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   41.753370][  T412]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.753372][  T412]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.753374][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.753375][  T412]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   41.753379][  T412]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.753382][  T412]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.753383][  T412]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.753384][  T412]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   41.753386][  T412]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   41.753387][  T412]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   41.753388][  T412]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.753389][  T412]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.753391][  T412]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.753392][  T412]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.753393][  T412]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.753394][  T412]  ? ___sys_sendmsg (net/socket.c:2767)
[   41.753395][  T412]  ? __sys_sendmsg (net/socket.c:2799)
[   41.753397][  T412]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.753398][  T412]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.753400][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.753402][  T412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.753403][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.753405][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.753407][  T412]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.753409][  T412]  ? __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)
[   41.753411][  T412]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.753412][  T412]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.753414][  T412]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.753415][  T412]  ? nla_get_range_signed (lib/nlattr.c:270)
[   41.753417][  T412]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.753419][  T412]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.753421][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.753423][  T412]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.753424][  T412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.753425][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.753427][  T412]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   41.753429][  T412]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   41.753431][  T412]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   41.753432][  T412]  ? __kernel_text_address (kernel/extable.c:79)
[   41.753433][  T412]  ? write_profile (profile.c:?)
[   41.753434][  T412]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   41.753437][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.753438][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.753440][  T412]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   41.753443][  T412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.753445][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.753447][  T412]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.753448][  T412]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.753450][  T412]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.753451][  T412]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.753452][  T412]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   41.753455][  T412]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.753456][  T412]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.753457][  T412]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.753459][  T412]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.753460][  T412]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   41.753462][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.753464][  T412]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.753466][  T412]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.753468][  T412]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.753469][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.753471][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.753473][  T412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.753474][  T412]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.753476][  T412]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.753478][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.753480][  T412]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.753482][  T412]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.753483][  T412]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.753485][  T412]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   41.753486][  T412]  ? move_addr_to_kernel (net/socket.c:258)
[   41.753488][  T412]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.753490][  T412]  ___sys_sendmsg (net/socket.c:2767)
[   41.753492][  T412]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.753496][  T412]  __sys_sendmsg (net/socket.c:2799)
[   41.753498][  T412]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.753501][  T412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.753503][  T412]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.753504][  T412]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.753506][  T412]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.753508][  T412] RIP: 0033:0x7fb2016cf54e
[   41.753510][  T412] 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 <c9> 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
[   41.753511][  T412] RSP: 002b:00007fff85d588a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.753515][  T412] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb2016cf54e
[   41.753517][  T412] RDX: 0000000000000000 RSI: 00007fff85d58950 RDI: 0000000000000005
[   41.753517][  T412] RBP: 00007fff85d588b0 R08: 0000000000000000 R09: 0000000000000000
[   41.753518][  T412] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e456
[   41.753519][  T412] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff85d59010
| [   43.827976][  T415] softirqs last disabled at (0): 0x0
| [   43.827977][  T415] Preemption disabled at:
| [   43.827978][  T415] vprintk_emit (kernel/printk/printk.c:2471)
| [   43.827989][  T415] Tainted: [W]=WARN
[   43.827990][  T415] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.827992][  T415] Call Trace:
[   43.827993][  T415]  <TASK>
[   43.827994][  T415]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.828000][  T415]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   43.828002][  T415]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.828006][  T415]  ? __module_address (kernel/module/main.c:3915)
[   43.828009][  T415]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.828012][  T415]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   43.828014][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.828017][  T415]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   43.828021][  T415]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.828023][  T415]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.828027][  T415]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   43.828028][  T415]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.828030][  T415]  put_chars (drivers/char/virtio_console.c:1176)
[   43.828032][  T415]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   43.828033][  T415]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.828035][  T415]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   43.828037][  T415]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.828040][  T415]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.828042][  T415]  ? 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)
[   43.828043][  T415]  ? vsnprintf (lib/vsprintf.c:2900)
[   43.828047][  T415]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.828048][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.828050][  T415]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.828052][  T415]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.828055][  T415]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.828057][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.828058][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.828060][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.828061][  T415]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.828063][  T415]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   43.828065][  T415]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.828067][  T415]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.828070][  T415]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.828071][  T415]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.828073][  T415]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.828074][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.828076][  T415]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.828077][  T415]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   43.828079][  T415]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   43.828081][  T415]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.828083][  T415]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.828084][  T415]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.828087][  T415]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.828089][  T415]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.828096][  T415]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.828098][  T415]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.828099][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.828101][  T415]  _printk (kernel/printk/printk.c:2504)
[   43.828104][  T415]  ? snapshot_read.cold (user.c:?)
[   43.828106][  T415]  ? br_multicast_flood (??:?) bridge
[   43.828118][  T415]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   43.828120][  T415]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.828122][  T415]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.828124][  T415] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   43.828132][  T415] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   43.828139][  T415] new_nbp (net/bridge/br_if.c:449) bridge
[   43.828146][  T415] br_add_if (net/bridge/br_if.c:592) bridge
[   43.828153][  T415]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   43.828156][  T415]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   43.828158][  T415]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   43.828160][  T415]  ? __kernel_text_address (kernel/extable.c:79)
[   43.828162][  T415]  do_set_master (net/core/rtnetlink.c:3071)
[   43.828165][  T415]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   43.828167][  T415]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   43.828168][  T415]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   43.828170][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.828171][  T415]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.828175][  T415]  ? kasan_save_stack (mm/kasan/common.c:58)
[   43.828178][  T415]  ? kasan_save_stack (mm/kasan/common.c:57)
[   43.828179][  T415]  ? kasan_save_track (mm/kasan/common.c:78)
[   43.828180][  T415]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   43.828182][  T415]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   43.828183][  T415]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   43.828184][  T415]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.828185][  T415]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.828188][  T415]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.828189][  T415]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.828190][  T415]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.828193][  T415]  ? ___sys_sendmsg (net/socket.c:2767)
[   43.828194][  T415]  ? __sys_sendmsg (net/socket.c:2799)
[   43.828196][  T415]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.828198][  T415]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.828200][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.828202][  T415]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.828203][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.828205][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.828206][  T415]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   43.828210][  T415]  ? __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)
[   43.828212][  T415]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   43.828213][  T415]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.828215][  T415]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   43.828216][  T415]  ? nla_get_range_signed (lib/nlattr.c:270)
[   43.828218][  T415]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   43.828220][  T415]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.828222][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.828226][  T415]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.828227][  T415]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.828228][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.828230][  T415]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   43.828232][  T415]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   43.828234][  T415]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   43.828235][  T415]  ? __kernel_text_address (kernel/extable.c:79)
[   43.828236][  T415]  ? write_profile (profile.c:?)
[   43.828237][  T415]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   43.828240][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.828242][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.828243][  T415]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   43.828246][  T415]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.828248][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.828249][  T415]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.828251][  T415]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.828252][  T415]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.828254][  T415]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.828255][  T415]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.828257][  T415]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.828259][  T415]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.828260][  T415]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.828262][  T415]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.828263][  T415]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   43.828265][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.828267][  T415]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.828269][  T415]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.828271][  T415]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.828272][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.828274][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.828275][  T415]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.828277][  T415]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.828279][  T415]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.828281][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.828283][  T415]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.828284][  T415]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.828286][  T415]  ? copy_msghdr_from_user (net/socket.c:2650)
[   43.828288][  T415]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   43.828289][  T415]  ? move_addr_to_kernel (net/socket.c:258)
[   43.828290][  T415]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.828293][  T415]  ___sys_sendmsg (net/socket.c:2767)
[   43.828295][  T415]  ? copy_msghdr_from_user (net/socket.c:2619)
[   43.828299][  T415]  __sys_sendmsg (net/socket.c:2799)
[   43.828301][  T415]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   43.828304][  T415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.828306][  T415]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.828307][  T415]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.828309][  T415]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.828311][  T415] RIP: 0033:0x7f7c077c954e
[   43.828313][  T415] 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 <c9> 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
[   43.828315][  T415] RSP: 002b:00007ffc6aeff420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.828318][  T415] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7c077c954e
[   43.828320][  T415] RDX: 0000000000000000 RSI: 00007ffc6aeff4d0 RDI: 0000000000000005
[   43.828321][  T415] RBP: 00007ffc6aeff430 R08: 0000000000000000 R09: 0000000000000000
[   43.828321][  T415] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e458
[   43.828322][  T415] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6aeffb90
| [   46.128731][  T457] softirqs last disabled at (0): 0x0
| [   46.128733][  T457] Preemption disabled at:
| [   46.128734][  T457] 0x0
| [   46.128742][  T457] Tainted: [W]=WARN
[   46.128743][  T457] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.128745][  T457] Call Trace:
[   46.128746][  T457]  <TASK>
[   46.128748][  T457]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   46.128753][  T457]  __might_resched.cold (kernel/sched/core.c:9234)
[   46.128757][  T457]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   46.128760][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.128765][  T457]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   46.128768][  T457]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   46.128771][  T457]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.128775][  T457]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   46.128776][  T457]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.128778][  T457]  put_chars (drivers/char/virtio_console.c:1176)
[   46.128780][  T457]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   46.128782][  T457]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   46.128785][  T457]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   46.128788][  T457]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   46.128790][  T457]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   46.128792][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.128793][  T457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.128795][  T457]  console_emit_next_record (kernel/printk/printk.c:3183)
[   46.128798][  T457]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   46.128800][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.128801][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.128803][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.128804][  T457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.128806][  T457]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   46.128808][  T457]  console_flush_one_record (kernel/printk/printk.c:3268)
[   46.128810][  T457]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   46.128812][  T457]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   46.128814][  T457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.128816][  T457]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   46.128817][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.128819][  T457]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.128820][  T457]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   46.128821][  T457]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   46.128823][  T457]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   46.128825][  T457]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   46.128827][  T457]  vprintk_emit (kernel/printk/printk.c:2479)
[   46.128829][  T457]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   46.128831][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.128833][  T457]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   46.128835][  T457]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   46.128837][  T457]  _printk (kernel/printk/printk.c:2504)
[   46.128840][  T457]  ? snapshot_read.cold (user.c:?)
[   46.128842][  T457]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   46.128847][  T457] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   46.128859][  T457] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   46.128867][  T457] br_device_event (net/bridge/br.c:111) bridge
[   46.128876][  T457]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   46.128879][  T457]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   46.128881][  T457]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   46.128885][  T457]  notifier_call_chain (kernel/notifier.c:85)
[   46.128888][  T457]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   46.128891][  T457]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   46.128893][  T457]  ? netif_change_name (net/core/dev.c:1517)
[   46.128895][  T457]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   46.128897][  T457]  ? __kernel_text_address (kernel/extable.c:79)
[   46.128899][  T457]  ? write_profile (profile.c:?)
[   46.128901][  T457]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   46.128904][  T457]  netif_change_flags (net/core/dev.c:9882)
[   46.128906][  T457]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   46.128909][  T457]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   46.128910][  T457]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   46.128911][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.128913][  T457]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   46.128917][  T457]  ? kasan_save_stack (mm/kasan/common.c:58)
[   46.128920][  T457]  ? kasan_save_stack (mm/kasan/common.c:57)
[   46.128921][  T457]  ? kasan_save_track (mm/kasan/common.c:78)
[   46.128922][  T457]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   46.128924][  T457]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   46.128925][  T457]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   46.128926][  T457]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.128927][  T457]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.128930][  T457]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.128931][  T457]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.128932][  T457]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   46.128935][  T457]  ? ___sys_sendmsg (net/socket.c:2767)
[   46.128936][  T457]  ? __sys_sendmsg (net/socket.c:2799)
[   46.128938][  T457]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.128939][  T457]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.128942][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.128943][  T457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.128945][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.128946][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.128948][  T457]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   46.128951][  T457]  ? __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)
[   46.128953][  T457]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   46.128954][  T457]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   46.128955][  T457]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   46.128958][  T457]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   46.128959][  T457]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   46.128961][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.128963][  T457]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.128964][  T457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.128965][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.128967][  T457]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   46.128970][  T457]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   46.128972][  T457]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   46.128973][  T457]  ? __kernel_text_address (kernel/extable.c:79)
[   46.128975][  T457]  ? write_profile (profile.c:?)
[   46.128976][  T457]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   46.128977][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.128979][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.128980][  T457]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   46.128983][  T457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.128985][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.128986][  T457]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.128988][  T457]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.128989][  T457]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.128991][  T457]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   46.128992][  T457]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   46.128994][  T457]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.128996][  T457]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.128997][  T457]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.128998][  T457]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.129000][  T457]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   46.129002][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.129004][  T457]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.129006][  T457]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.129007][  T457]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.129009][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.129010][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.129012][  T457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.129014][  T457]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.129016][  T457]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   46.129017][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.129019][  T457]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.129021][  T457]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   46.129023][  T457]  ? copy_msghdr_from_user (net/socket.c:2650)
[   46.129024][  T457]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   46.129026][  T457]  ? move_addr_to_kernel (net/socket.c:258)
[   46.129027][  T457]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   46.129029][  T457]  ___sys_sendmsg (net/socket.c:2767)
[   46.129031][  T457]  ? copy_msghdr_from_user (net/socket.c:2619)
[   46.129036][  T457]  __sys_sendmsg (net/socket.c:2799)
[   46.129038][  T457]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   46.129040][  T457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.129042][  T457]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.129043][  T457]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   46.129046][  T457]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.129047][  T457] RIP: 0033:0x7f4e6172554e
[   46.129049][  T457] 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 <c9> 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
[   46.129051][  T457] RSP: 002b:00007ffe89c1dc60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.129055][  T457] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4e6172554e
[   46.129056][  T457] RDX: 0000000000000000 RSI: 00007ffe89c1dd10 RDI: 0000000000000005
[   46.129057][  T457] RBP: 00007ffe89c1dc70 R08: 0000000000000000 R09: 0000000000000000
[   46.129057][  T457] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e45a


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars