======================================
| [   10.765088][  T187] softirqs last disabled at (46430): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   10.765090][  T187] Preemption disabled at:
| [   10.765091][  T187] 0x0
| [   10.765101][  T187] Tainted: [W]=WARN
[   10.765102][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.765103][  T187] Call Trace:
[   10.765104][  T187]  <TASK>
[   10.765106][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.765112][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.765117][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.765122][  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)
[   10.765127][  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))
[   10.765129][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.765135][  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)
[   10.765138][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.765141][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[   10.765144][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.765145][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.765150][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.765155][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.765161][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.765163][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.765166][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.765170][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.765174][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.765176][  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))
[   10.765179][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.765181][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.765185][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.765189][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.765191][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.765196][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.765199][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.765201][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.765203][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.765207][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.765209][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.765212][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.765216][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.765219][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.765223][  T187]  _printk (kernel/printk/printk.c:2504)
[   10.765227][  T187]  ? snapshot_read.cold (user.c:?)
[   10.765230][  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)
[   10.765232][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.765236][  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)
[   10.765239][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.765243][  T187]  ? exit_notify (kernel/exit.c:780)
[   10.765245][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.765248][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.765252][  T187]  do_group_exit (kernel/exit.c:1151)
[   10.765255][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.765256][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.765258][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.765261][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.765265][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.765267][  T187] RIP: 0033:0x7f5c2e8c71b8
[   10.765269][  T187] Code: Unable to access opcode bytes at 0x7f5c2e8c718e.

Code starting with the faulting instruction
===========================================
[   10.765270][  T187] RSP: 002b:00007ffd024faa78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.765273][  T187] RAX: ffffffffffffffda RBX: 00007f5c2e9f7f88 RCX: 00007f5c2e8c71b8
[   10.765274][  T187] RDX: 00007f5c2e611fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.765275][  T187] RBP: 00007ffd024faad0 R08: 0000000000000000 R09: 0000000000008010
[   10.765276][  T187] R10: 00007ffd024fa890 R11: 0000000000000246 R12: 0000000000000001
[   10.765277][  T187] R13: 0000000000000000 R14: 00007f5c2e9f6680 R15: 00007f5c2e9f7fa0
| [   12.471035][  T246] softirqs last disabled at (13914): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.471038][  T246] Preemption disabled at:
| [   12.471038][  T246] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.471048][  T246] Tainted: [W]=WARN
[   12.471049][  T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.471050][  T246] Call Trace:
[   12.471052][  T246]  <TASK>
[   12.471054][  T246]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.471064][  T246]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.471067][  T246]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.471071][  T246]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.471075][  T246]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.471080][  T246]  __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))
[   12.471083][  T246]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.471088][  T246]  ? 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)
[   12.471091][  T246]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.471094][  T246]  put_chars (drivers/char/virtio_console.c:1176)
[   12.471097][  T246]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.471101][  T246]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.471104][  T246]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.471107][  T246]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.471109][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.471110][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.471114][  T246]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.471116][  T246]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.471119][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.471123][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.471127][  T246]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.471131][  T246]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.471133][  T246]  ? 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))
[   12.471136][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.471138][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.471142][  T246]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.471146][  T246]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.471148][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.471153][  T246]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.471155][  T246]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.471157][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.471159][  T246]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.471163][  T246]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.471165][  T246]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.471168][  T246]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.471172][  T246]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.471174][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.471176][  T246]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.471180][  T246]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.471184][  T246]  _printk (kernel/printk/printk.c:2504)
[   12.471187][  T246]  ? snapshot_read.cold (user.c:?)
[   12.471191][  T246]  ? br_multicast_flood (??:?) bridge
[   12.471203][  T246]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.471205][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.471206][  T246]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.471210][  T246] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.471220][  T246] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.471229][  T246] new_nbp (net/bridge/br_if.c:449) bridge
[   12.471238][  T246] br_add_if (net/bridge/br_if.c:592) bridge
[   12.471245][  T246]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.471249][  T246]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.471252][  T246]  ? __kernel_text_address (kernel/extable.c:79)
[   12.471256][  T246]  do_set_master (net/core/rtnetlink.c:3071)
[   12.471260][  T246]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.471263][  T246]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.471267][  T246]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.471268][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.471270][  T246]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.471274][  T246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.471276][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.471278][  T246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.471281][  T246]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.471284][  T246]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.471286][  T246]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.471289][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.471290][  T246]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.471293][  T246]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.471298][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.471300][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.471302][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.471304][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.471306][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.471308][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.471310][  T246]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.471314][  T246]  ? __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)
[   12.471315][  T246]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.471317][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.471321][  T246]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.471322][  T246]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.471327][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.471332][  T246]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.471337][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.471339][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.471344][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.471345][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.471347][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.471349][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.471353][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.471355][  T246]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.471358][  T246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.471359][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.471363][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.471365][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.471369][  T246]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.471370][  T246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.471373][  T246]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.471379][  T246]  ? 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))
[   12.471380][  T246]  ? 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))
[   12.471385][  T246]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.471388][  T246]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.471391][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.471395][  T246]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.471398][  T246]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.471402][  T246]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.471407][  T246]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.471410][  T246]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.471412][  T246]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.471413][  T246]  ? move_addr_to_kernel (net/socket.c:258)
[   12.471421][  T246]  ___sys_sendmsg (net/socket.c:2767)
[   12.471423][  T246]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.471452][  T246]  __sys_sendmsg (net/socket.c:2799)
[   12.471455][  T246]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.471462][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.471465][  T246]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.471467][  T246]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.471470][  T246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.471473][  T246] RIP: 0033:0x7fb3064a054e
[   12.471476][  T246] 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
[   12.471478][  T246] RSP: 002b:00007fff2a5e20a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.471481][  T246] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb3064a054e
[   12.471482][  T246] RDX: 0000000000000000 RSI: 00007fff2a5e2150 RDI: 0000000000000005
[   12.471483][  T246] RBP: 00007fff2a5e20b0 R08: 0000000000000000 R09: 0000000000000000
[   12.471484][  T246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90da4f
[   12.471485][  T246] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2a5e2810
| [   20.277472][  T305] softirqs last disabled at (13034): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   20.277474][  T305] Preemption disabled at:
| [   20.277475][  T305] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.277485][  T305] Tainted: [W]=WARN
[   20.277485][  T305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.277487][  T305] Call Trace:
[   20.277489][  T305]  <TASK>
[   20.277490][  T305]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.277496][  T305]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.277498][  T305]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.277503][  T305]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.277507][  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)
[   20.277512][  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))
[   20.277514][  T305]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.277519][  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)
[   20.277522][  T305]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.277525][  T305]  put_chars (drivers/char/virtio_console.c:1176)
[   20.277528][  T305]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.277529][  T305]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.277534][  T305]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.277539][  T305]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.277545][  T305]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.277547][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.277550][  T305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.277554][  T305]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.277557][  T305]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.277559][  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))
[   20.277562][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.277564][  T305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.277568][  T305]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.277572][  T305]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.277574][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.277579][  T305]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.277582][  T305]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.277584][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.277586][  T305]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.277590][  T305]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.277591][  T305]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.277595][  T305]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.277598][  T305]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.277600][  T305]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.277602][  T305]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.277605][  T305]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.277606][  T305]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   20.277609][  T305]  ? ___sys_sendmsg (net/socket.c:2767)
[   20.277610][  T305]  ? __sys_sendmsg (net/socket.c:2799)
[   20.277612][  T305]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.277617][  T305]  _printk (kernel/printk/printk.c:2504)
[   20.277620][  T305]  ? snapshot_read.cold (user.c:?)
[   20.277625][  T305]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   20.277628][  T305]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   20.277631][  T305]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   20.277634][  T305]  ? netdev_notice (net/core/dev.c:13194)
[   20.277637][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.277640][  T305]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   20.277642][  T305]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   20.277644][  T305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.277646][  T305]  ? 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)
[   20.277649][  T305]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   20.277654][  T305]  dev_set_allmulti (net/core/dev_api.c:315)
[   20.277658][  T305] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   20.277670][  T305]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   20.277677][  T305] br_del_if (net/bridge/br_if.c:732) bridge
[   20.277684][  T305]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.277687][  T305]  do_set_master (net/core/rtnetlink.c:3055)
[   20.277691][  T305]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   20.277695][  T305]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   20.277698][  T305]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   20.277699][  T305]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.277702][  T305]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.277705][  T305]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.277708][  T305]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.277709][  T305]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.277712][  T305]  ? kasan_save_stack (mm/kasan/common.c:58)
[   20.277715][  T305]  ? kasan_save_stack (mm/kasan/common.c:57)
[   20.277717][  T305]  ? kasan_save_track (mm/kasan/common.c:78)
[   20.277719][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.277721][  T305]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   20.277723][  T305]  ? ___sys_sendmsg (net/socket.c:2757)
[   20.277726][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.277728][  T305]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.277731][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.277733][  T305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.277735][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.277736][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.277739][  T305]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   20.277741][  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)
[   20.277744][  T305]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   20.277746][  T305]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.277749][  T305]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.277750][  T305]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.277755][  T305]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   20.277760][  T305]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   20.277765][  T305]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.277767][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.277771][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.277773][  T305]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.277775][  T305]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.277777][  T305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.277780][  T305]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.277782][  T305]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.277786][  T305]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.277787][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.277791][  T305]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.277793][  T305]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.277796][  T305]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.277798][  T305]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.277801][  T305]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.277807][  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))
[   20.277809][  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))
[   20.277813][  T305]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.277816][  T305]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.277819][  T305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.277823][  T305]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.277826][  T305]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.277830][  T305]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   20.277835][  T305]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   20.277838][  T305]  ? copy_msghdr_from_user (net/socket.c:2650)
[   20.277840][  T305]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   20.277842][  T305]  ? move_addr_to_kernel (net/socket.c:258)
[   20.277849][  T305]  ___sys_sendmsg (net/socket.c:2767)
[   20.277851][  T305]  ? copy_msghdr_from_user (net/socket.c:2619)
[   20.277866][  T305]  __sys_sendmsg (net/socket.c:2799)
[   20.277869][  T305]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   20.277875][  T305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.277879][  T305]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.277880][  T305]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.277883][  T305]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.277885][  T305] RIP: 0033:0x7fdf373b454e
[   20.277889][  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
[   20.277891][  T305] RSP: 002b:00007ffd9b4b4cb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.277894][  T305] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdf373b454e
[   20.277895][  T305] RDX: 0000000000000000 RSI: 00007ffd9b4b4d60 RDI: 0000000000000005
[   20.277896][  T305] RBP: 00007ffd9b4b4cc0 R08: 0000000000000000 R09: 0000000000000000
[   20.277897][  T305] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90da57
[   20.277897][  T305] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9b4b5420
| [   22.381099][  T307] softirqs last disabled at (13314): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   22.381101][  T307] Preemption disabled at:
| [   22.381102][  T307] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.381111][  T307] Tainted: [W]=WARN
[   22.381112][  T307] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.381113][  T307] Call Trace:
[   22.381115][  T307]  <TASK>
[   22.381117][  T307]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.381123][  T307]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.381125][  T307]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.381129][  T307]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.381133][  T307]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.381138][  T307]  __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))
[   22.381141][  T307]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.381146][  T307]  ? 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)
[   22.381149][  T307]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.381152][  T307]  put_chars (drivers/char/virtio_console.c:1176)
[   22.381154][  T307]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   22.381156][  T307]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.381159][  T307]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.381164][  T307]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.381166][  T307]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.381169][  T307]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.381172][  T307]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.381174][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.381176][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.381180][  T307]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.381182][  T307]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   22.381185][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.381187][  T307]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.381191][  T307]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.381195][  T307]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.381197][  T307]  ? 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))
[   22.381200][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.381202][  T307]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.381206][  T307]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.381210][  T307]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.381212][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.381217][  T307]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.381220][  T307]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.381221][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.381224][  T307]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   22.381227][  T307]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.381229][  T307]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.381232][  T307]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.381236][  T307]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.381239][  T307]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.381241][  T307]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.381245][  T307]  _printk (kernel/printk/printk.c:2504)
[   22.381248][  T307]  ? snapshot_read.cold (user.c:?)
[   22.381252][  T307]  ? br_multicast_flood (??:?) bridge
[   22.381264][  T307]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   22.381266][  T307]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.381267][  T307]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.381271][  T307] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   22.381282][  T307] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   22.381290][  T307] new_nbp (net/bridge/br_if.c:449) bridge
[   22.381299][  T307] br_add_if (net/bridge/br_if.c:592) bridge
[   22.381307][  T307]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   22.381311][  T307]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   22.381314][  T307]  ? __kernel_text_address (kernel/extable.c:79)
[   22.381317][  T307]  do_set_master (net/core/rtnetlink.c:3071)
[   22.381322][  T307]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   22.381325][  T307]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.381328][  T307]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.381329][  T307]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.381331][  T307]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.381335][  T307]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.381337][  T307]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.381339][  T307]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.381341][  T307]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.381345][  T307]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.381346][  T307]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.381349][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.381351][  T307]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   22.381354][  T307]  ? ___sys_sendmsg (net/socket.c:2757)
[   22.381358][  T307]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.381360][  T307]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.381362][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.381365][  T307]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.381366][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.381368][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.381370][  T307]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.381374][  T307]  ? __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)
[   22.381378][  T307]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.381380][  T307]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.381383][  T307]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.381384][  T307]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.381389][  T307]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.381394][  T307]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.381400][  T307]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.381401][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.381406][  T307]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.381408][  T307]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.381410][  T307]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.381411][  T307]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.381415][  T307]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.381417][  T307]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.381420][  T307]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.381422][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.381431][  T307]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.381433][  T307]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.381437][  T307]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.381439][  T307]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.381441][  T307]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.381448][  T307]  ? 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))
[   22.381449][  T307]  ? 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))
[   22.381453][  T307]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.381457][  T307]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.381459][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.381463][  T307]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.381467][  T307]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.381471][  T307]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   22.381476][  T307]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   22.381478][  T307]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.381481][  T307]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   22.381482][  T307]  ? move_addr_to_kernel (net/socket.c:258)
[   22.381489][  T307]  ___sys_sendmsg (net/socket.c:2767)
[   22.381492][  T307]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.381507][  T307]  __sys_sendmsg (net/socket.c:2799)
[   22.381510][  T307]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.381516][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.381520][  T307]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.381522][  T307]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.381525][  T307]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.381528][  T307] RIP: 0033:0x7fbfa274154e
[   22.381531][  T307] 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
[   22.381533][  T307] RSP: 002b:00007ffdfc7315f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.381536][  T307] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbfa274154e
[   22.381537][  T307] RDX: 0000000000000000 RSI: 00007ffdfc7316a0 RDI: 0000000000000005
[   22.381538][  T307] RBP: 00007ffdfc731600 R08: 0000000000000000 R09: 0000000000000000
[   22.381539][  T307] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90da59
[   22.381540][  T307] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfc731d60
| [   37.904188][    C2] softirqs last disabled at (740353): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   37.904190][    C2] Preemption disabled at:
| [   37.904191][    C2] 0x0
| [   37.904204][    C2] Tainted: [W]=WARN
[   37.904205][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.904207][    C2] Call Trace:
[   37.904209][    C2]  <IRQ>
[   37.904212][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.904218][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   37.904222][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   37.904225][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   37.904228][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.904234][    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))
[   37.904237][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   37.904240][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.904243][    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)
[   37.904245][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.904249][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   37.904252][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   37.904254][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   37.904257][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   37.904260][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   37.904262][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.904264][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.904268][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   37.904271][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   37.904272][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.904274][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.904276][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.904278][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   37.904280][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   37.904283][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   37.904287][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   37.904289][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.904290][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   37.904292][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.904293][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   37.904295][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   37.904297][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   37.904299][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   37.904303][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   37.904305][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   37.904307][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.904321][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   37.904322][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.904329][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.904338][    C2]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   37.904342][    C2]  _printk (kernel/printk/printk.c:2504)
[   37.904345][    C2]  ? snapshot_read.cold (user.c:?)
[   37.904346][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   37.904352][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.904355][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   37.904357][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   37.904359][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   37.904362][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   37.904364][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   37.904365][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   37.904369][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.904371][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.904378][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.904380][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.904381][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   37.904391][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   37.904392][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.904398][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.904408][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   37.904414][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   37.904417][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   37.904419][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   37.904430][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.904432][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.904433][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.904435][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   37.904437][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   37.904447][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   37.904449][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.904452][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   37.904454][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   37.904456][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   37.904458][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.904462][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.904464][    C2]  handle_softirqs (kernel/softirq.c:645)
[   37.904467][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.904468][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   37.904470][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   37.904471][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   37.904473][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   37.904476][    C2]  </IRQ>
[   37.904477][    C2]  <TASK>
[   37.904478][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   37.904481][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   37.904484][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   37.904487][    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
[   37.904488][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   37.904491][    C2] RAX: 00000000000b4bff RBX: ff11000001bec6c0 RCX: ffffffffb26f0307
[   37.904493][    C2] RDX: ff11000001bec6c0 RSI: ffffffffb5438b1c RDI: ffffffffb4e8d8e0
[   37.904494][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   37.904496][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   37.904497][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   37.904500][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   37.904503][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   37.904505][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   37.904507][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   37.904508][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   37.904510][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   37.904513][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.904516][    C2]  do_idle (kernel/sched/idle.c:355)
[   37.904518][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   37.904520][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   37.904521][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   37.904523][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   37.958179][    C2]
| [   37.958304][    C2]
| [   37.958304][    C2] stack backtrace:
| [   37.958505][    C2] Tainted: [W]=WARN
[   37.958506][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.958508][    C2] Call Trace:
[   37.958510][    C2]  <IRQ>
[   37.958513][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.958517][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   37.958521][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   37.958524][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   37.958527][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   37.958529][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   37.958532][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.958533][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.958542][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.958546][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.958548][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   37.958554][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   37.958556][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.958566][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   37.958572][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   37.958582][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   37.958585][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   37.958587][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   37.958591][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.958592][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.958595][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.958599][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   37.958601][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   37.958607][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   37.958609][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.958613][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   37.958617][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   37.958619][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   37.958621][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.958623][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.958625][    C2]  handle_softirqs (kernel/softirq.c:645)
[   37.958627][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.958630][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   37.958633][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   37.958635][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   37.958636][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   37.958638][    C2]  </IRQ>
[   37.958639][    C2]  <TASK>
[   37.958639][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   37.958641][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   37.958643][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   37.958645][    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
[   37.958647][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   37.958651][    C2] RAX: 00000000000b4bff RBX: ff11000001bec6c0 RCX: ffffffffb26f0307
[   37.958652][    C2] RDX: ff11000001bec6c0 RSI: ffffffffb5438b1c RDI: ffffffffb4e8d8e0
[   37.958654][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   37.958654][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   37.958655][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   37.958657][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   37.958659][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   37.958661][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   37.958662][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   37.958665][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   37.958668][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   37.958670][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.958672][    C2]  do_idle (kernel/sched/idle.c:355)
[   37.958673][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   37.958675][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   37.958676][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   37.958678][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   41.147859][  T414] softirqs last disabled at (0): 0x0
| [   41.147861][  T414] Preemption disabled at:
| [   41.147862][  T414] vprintk_emit (kernel/printk/printk.c:2471)
| [   41.147873][  T414] Tainted: [W]=WARN
[   41.147873][  T414] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.147875][  T414] Call Trace:
[   41.147876][  T414]  <TASK>
[   41.147878][  T414]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.147883][  T414]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   41.147885][  T414]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.147889][  T414]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.147892][  T414]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   41.147895][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.147898][  T414]  __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))
[   41.147901][  T414]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   41.147904][  T414]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.147907][  T414]  ? 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)
[   41.147909][  T414]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.147911][  T414]  put_chars (drivers/char/virtio_console.c:1176)
[   41.147913][  T414]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.147915][  T414]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   41.147917][  T414]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.147921][  T414]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.147922][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.147924][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.147926][  T414]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.147928][  T414]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.147930][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.147932][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.147933][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.147935][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.147937][  T414]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   41.147938][  T414]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.147941][  T414]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.147943][  T414]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.147945][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.147947][  T414]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.147948][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.147950][  T414]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.147951][  T414]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   41.147953][  T414]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   41.147955][  T414]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.147957][  T414]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.147959][  T414]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.147961][  T414]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.147963][  T414]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.147966][  T414]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.147968][  T414]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.147969][  T414]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.147972][  T414]  ? ___sys_sendmsg (net/socket.c:2767)
[   41.147974][  T414]  ? __sys_sendmsg (net/socket.c:2799)
[   41.147975][  T414]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.147978][  T414]  _printk (kernel/printk/printk.c:2504)
[   41.147982][  T414]  ? snapshot_read.cold (user.c:?)
[   41.147984][  T414]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   41.147986][  T414]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   41.147988][  T414]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   41.147990][  T414]  ? netdev_notice (net/core/dev.c:13194)
[   41.147992][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.147993][  T414]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   41.147995][  T414]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   41.147997][  T414]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   41.147999][  T414]  ? 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)
[   41.148001][  T414]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   41.148004][  T414]  dev_set_allmulti (net/core/dev_api.c:315)
[   41.148007][  T414] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   41.148019][  T414]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   41.148022][  T414]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   41.148025][  T414] br_del_if (net/bridge/br_if.c:732) bridge
[   41.148032][  T414]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.148034][  T414]  do_set_master (net/core/rtnetlink.c:3055)
[   41.148036][  T414]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   41.148039][  T414]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.148042][  T414]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.148043][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.148045][  T414]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   41.148048][  T414]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.148051][  T414]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.148052][  T414]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.148054][  T414]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   41.148055][  T414]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   41.148057][  T414]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   41.148058][  T414]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.148063][  T414]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.148064][  T414]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.148065][  T414]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.148066][  T414]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.148068][  T414]  ? ___sys_sendmsg (net/socket.c:2767)
[   41.148069][  T414]  ? __sys_sendmsg (net/socket.c:2799)
[   41.148071][  T414]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.148072][  T414]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.148074][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.148076][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.148077][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.148079][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.148081][  T414]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.148083][  T414]  ? __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)
[   41.148085][  T414]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.148086][  T414]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.148088][  T414]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.148089][  T414]  ? nla_get_range_signed (lib/nlattr.c:270)
[   41.148091][  T414]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.148093][  T414]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.148095][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.148097][  T414]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.148098][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.148099][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.148101][  T414]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   41.148103][  T414]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   41.148105][  T414]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   41.148106][  T414]  ? __kernel_text_address (kernel/extable.c:79)
[   41.148107][  T414]  ? write_profile (profile.c:?)
[   41.148108][  T414]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   41.148111][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.148112][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.148114][  T414]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   41.148117][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.148119][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.148120][  T414]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.148122][  T414]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.148123][  T414]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.148125][  T414]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.148126][  T414]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   41.148128][  T414]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.148130][  T414]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.148131][  T414]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.148132][  T414]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.148134][  T414]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   41.148136][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.148138][  T414]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.148140][  T414]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.148141][  T414]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.148143][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.148145][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.148146][  T414]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.148148][  T414]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.148150][  T414]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.148152][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.148153][  T414]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.148155][  T414]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.148157][  T414]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.148158][  T414]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   41.148160][  T414]  ? move_addr_to_kernel (net/socket.c:258)
[   41.148161][  T414]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.148163][  T414]  ___sys_sendmsg (net/socket.c:2767)
[   41.148165][  T414]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.148170][  T414]  __sys_sendmsg (net/socket.c:2799)
[   41.148172][  T414]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.148174][  T414]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.148176][  T414]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.148177][  T414]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.148180][  T414]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.148181][  T414] RIP: 0033:0x7fd940a8e54e
[   41.148183][  T414] 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
[   41.148184][  T414] RSP: 002b:00007ffc579f1010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.148188][  T414] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd940a8e54e
[   41.148189][  T414] RDX: 0000000000000000 RSI: 00007ffc579f10c0 RDI: 0000000000000005
[   41.148190][  T414] RBP: 00007ffc579f1020 R08: 0000000000000000 R09: 0000000000000000
[   41.148191][  T414] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90da6c
[   41.148192][  T414] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc579f1780
| [   43.232448][  T417] softirqs last disabled at (0): 0x0
| [   43.232449][  T417] Preemption disabled at:
| [   43.232450][  T417] vprintk_emit (kernel/printk/printk.c:2471)
| [   43.232461][  T417] Tainted: [W]=WARN
[   43.232462][  T417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.232464][  T417] Call Trace:
[   43.232465][  T417]  <TASK>
[   43.232466][  T417]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.232472][  T417]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   43.232474][  T417]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.232477][  T417]  ? __module_address (kernel/module/main.c:3915)
[   43.232481][  T417]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.232484][  T417]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   43.232485][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.232489][  T417]  __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))
[   43.232492][  T417]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.232495][  T417]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.232499][  T417]  ? 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)
[   43.232500][  T417]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.232502][  T417]  put_chars (drivers/char/virtio_console.c:1176)
[   43.232504][  T417]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   43.232505][  T417]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.232507][  T417]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   43.232509][  T417]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.232513][  T417]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.232514][  T417]  ? 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)
[   43.232515][  T417]  ? vsnprintf (lib/vsprintf.c:2900)
[   43.232519][  T417]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.232520][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.232522][  T417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.232524][  T417]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.232526][  T417]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.232528][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.232530][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.232531][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.232533][  T417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.232535][  T417]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   43.232537][  T417]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.232539][  T417]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.232541][  T417]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.232543][  T417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.232545][  T417]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.232546][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.232548][  T417]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.232549][  T417]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   43.232551][  T417]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   43.232553][  T417]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.232555][  T417]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.232557][  T417]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.232559][  T417]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.232561][  T417]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.232563][  T417]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.232564][  T417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.232566][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.232568][  T417]  _printk (kernel/printk/printk.c:2504)
[   43.232571][  T417]  ? snapshot_read.cold (user.c:?)
[   43.232573][  T417]  ? br_multicast_flood (??:?) bridge
[   43.232585][  T417]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   43.232588][  T417]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.232589][  T417]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.232591][  T417] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   43.232599][  T417] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   43.232606][  T417] new_nbp (net/bridge/br_if.c:449) bridge
[   43.232614][  T417] br_add_if (net/bridge/br_if.c:592) bridge
[   43.232620][  T417]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   43.232623][  T417]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   43.232625][  T417]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   43.232627][  T417]  ? __kernel_text_address (kernel/extable.c:79)
[   43.232629][  T417]  do_set_master (net/core/rtnetlink.c:3071)
[   43.232632][  T417]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   43.232634][  T417]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   43.232635][  T417]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   43.232636][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.232638][  T417]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.232642][  T417]  ? kasan_save_stack (mm/kasan/common.c:58)
[   43.232644][  T417]  ? kasan_save_stack (mm/kasan/common.c:57)
[   43.232646][  T417]  ? kasan_save_track (mm/kasan/common.c:78)
[   43.232647][  T417]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   43.232649][  T417]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   43.232650][  T417]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   43.232651][  T417]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.232652][  T417]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.232655][  T417]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.232656][  T417]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.232657][  T417]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.232660][  T417]  ? ___sys_sendmsg (net/socket.c:2767)
[   43.232661][  T417]  ? __sys_sendmsg (net/socket.c:2799)
[   43.232662][  T417]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.232664][  T417]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.232667][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.232668][  T417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.232670][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.232671][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.232673][  T417]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   43.232676][  T417]  ? __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)
[   43.232678][  T417]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   43.232679][  T417]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   43.232681][  T417]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   43.232682][  T417]  ? nla_get_range_signed (lib/nlattr.c:270)
[   43.232684][  T417]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   43.232686][  T417]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.232688][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.232690][  T417]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.232691][  T417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.232692][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.232694][  T417]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   43.232696][  T417]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   43.232698][  T417]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   43.232699][  T417]  ? __kernel_text_address (kernel/extable.c:79)
[   43.232700][  T417]  ? write_profile (profile.c:?)
[   43.232701][  T417]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   43.232704][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.232705][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.232707][  T417]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   43.232710][  T417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.232712][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.232714][  T417]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.232715][  T417]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.232717][  T417]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.232718][  T417]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.232719][  T417]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.232721][  T417]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.232723][  T417]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.232724][  T417]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.232726][  T417]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.232727][  T417]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   43.232729][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.232731][  T417]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.232733][  T417]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.232735][  T417]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.232736][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.232738][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.232740][  T417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.232741][  T417]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.232743][  T417]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.232745][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.232747][  T417]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.232749][  T417]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.232750][  T417]  ? copy_msghdr_from_user (net/socket.c:2650)
[   43.232752][  T417]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   43.232753][  T417]  ? move_addr_to_kernel (net/socket.c:258)
[   43.232755][  T417]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.232757][  T417]  ___sys_sendmsg (net/socket.c:2767)
[   43.232759][  T417]  ? copy_msghdr_from_user (net/socket.c:2619)
[   43.232764][  T417]  __sys_sendmsg (net/socket.c:2799)
[   43.232766][  T417]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   43.232768][  T417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.232770][  T417]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.232772][  T417]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.232774][  T417]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.232776][  T417] RIP: 0033:0x7f74d360554e
[   43.232777][  T417] 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
[   43.232779][  T417] RSP: 002b:00007ffd91f44b00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.232783][  T417] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f74d360554e
[   43.232784][  T417] RDX: 0000000000000000 RSI: 00007ffd91f44bb0 RDI: 0000000000000005
[   43.232785][  T417] RBP: 00007ffd91f44b10 R08: 0000000000000000 R09: 0000000000000000
[   43.232786][  T417] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90da6e
[   43.232787][  T417] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd91f45270
| [   45.509917][  T458] softirqs last disabled at (0): 0x0
| [   45.509919][  T458] Preemption disabled at:
| [   45.509920][  T458] 0x0
| [   45.509928][  T458] Tainted: [W]=WARN
[   45.509929][  T458] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.509931][  T458] Call Trace:
[   45.509932][  T458]  <TASK>
[   45.509934][  T458]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.509939][  T458]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.509943][  T458]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.509946][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.509950][  T458]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   45.509954][  T458]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   45.509957][  T458]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.509961][  T458]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   45.509963][  T458]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.509965][  T458]  put_chars (drivers/char/virtio_console.c:1176)
[   45.509967][  T458]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.509969][  T458]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   45.509972][  T458]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.509975][  T458]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.509978][  T458]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   45.509979][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.509981][  T458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.509983][  T458]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.509986][  T458]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.509988][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.509989][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.509991][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.509992][  T458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.509994][  T458]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   45.509996][  T458]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.509998][  T458]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.510000][  T458]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.510002][  T458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.510004][  T458]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.510005][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.510007][  T458]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.510008][  T458]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   45.510010][  T458]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   45.510012][  T458]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.510013][  T458]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.510015][  T458]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.510018][  T458]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.510019][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.510021][  T458]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   45.510024][  T458]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   45.510025][  T458]  _printk (kernel/printk/printk.c:2504)
[   45.510028][  T458]  ? snapshot_read.cold (user.c:?)
[   45.510031][  T458]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   45.510035][  T458] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   45.510048][  T458] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   45.510056][  T458] br_device_event (net/bridge/br.c:111) bridge
[   45.510068][  T458]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   45.510072][  T458]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   45.510074][  T458]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   45.510078][  T458]  notifier_call_chain (kernel/notifier.c:85)
[   45.510081][  T458]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   45.510085][  T458]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   45.510086][  T458]  ? netif_change_name (net/core/dev.c:1517)
[   45.510088][  T458]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   45.510090][  T458]  ? __kernel_text_address (kernel/extable.c:79)
[   45.510092][  T458]  ? write_profile (profile.c:?)
[   45.510094][  T458]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   45.510097][  T458]  netif_change_flags (net/core/dev.c:9882)
[   45.510100][  T458]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   45.510102][  T458]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   45.510104][  T458]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   45.510105][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.510106][  T458]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   45.510110][  T458]  ? kasan_save_stack (mm/kasan/common.c:58)
[   45.510113][  T458]  ? kasan_save_stack (mm/kasan/common.c:57)
[   45.510115][  T458]  ? kasan_save_track (mm/kasan/common.c:78)
[   45.510116][  T458]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   45.510117][  T458]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   45.510119][  T458]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   45.510120][  T458]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.510121][  T458]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.510124][  T458]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.510125][  T458]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.510126][  T458]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   45.510129][  T458]  ? ___sys_sendmsg (net/socket.c:2767)
[   45.510130][  T458]  ? __sys_sendmsg (net/socket.c:2799)
[   45.510132][  T458]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.510134][  T458]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.510136][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.510138][  T458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.510139][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.510141][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.510143][  T458]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   45.510146][  T458]  ? __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)
[   45.510147][  T458]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   45.510149][  T458]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.510150][  T458]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   45.510152][  T458]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   45.510154][  T458]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   45.510156][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.510158][  T458]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.510159][  T458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.510161][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.510163][  T458]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   45.510166][  T458]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   45.510168][  T458]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   45.510169][  T458]  ? __kernel_text_address (kernel/extable.c:79)
[   45.510170][  T458]  ? write_profile (profile.c:?)
[   45.510171][  T458]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   45.510172][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.510174][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.510176][  T458]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   45.510179][  T458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.510181][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.510183][  T458]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.510184][  T458]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.510185][  T458]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.510187][  T458]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   45.510188][  T458]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   45.510190][  T458]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.510192][  T458]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.510193][  T458]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.510195][  T458]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.510196][  T458]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   45.510198][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.510200][  T458]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.510202][  T458]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.510204][  T458]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.510205][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.510207][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.510208][  T458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.510210][  T458]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.510212][  T458]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   45.510214][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.510215][  T458]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   45.510217][  T458]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   45.510219][  T458]  ? copy_msghdr_from_user (net/socket.c:2650)
[   45.510221][  T458]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   45.510222][  T458]  ? move_addr_to_kernel (net/socket.c:258)
[   45.510223][  T458]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   45.510226][  T458]  ___sys_sendmsg (net/socket.c:2767)
[   45.510228][  T458]  ? copy_msghdr_from_user (net/socket.c:2619)
[   45.510232][  T458]  __sys_sendmsg (net/socket.c:2799)
[   45.510234][  T458]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   45.510237][  T458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.510239][  T458]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.510240][  T458]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   45.510242][  T458]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.510244][  T458] RIP: 0033:0x7fd74600954e
[   45.510245][  T458] 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
[   45.510247][  T458] RSP: 002b:00007ffdf19a4ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.510251][  T458] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd74600954e
[   45.510253][  T458] RDX: 0000000000000000 RSI: 00007ffdf19a4d90 RDI: 0000000000000005
[   45.510253][  T458] RBP: 00007ffdf19a4cf0 R08: 0000000000000000 R09: 0000000000000000
[   45.510254][  T458] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90da70


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