======================================
| [   11.210460][  T186] softirqs last disabled at (39793): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.210463][  T186] Preemption disabled at:
| [   11.210463][  T186] 0x0
| [   11.210474][  T186] Tainted: [W]=WARN
[   11.210474][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.210476][  T186] Call Trace:
[   11.210478][  T186]  <TASK>
[   11.210480][  T186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.210486][  T186]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.210490][  T186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.210495][  T186]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.210500][  T186]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.210502][  T186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.210508][  T186]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.210510][  T186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.210514][  T186]  put_chars (drivers/char/virtio_console.c:1176)
[   11.210516][  T186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.210518][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.210523][  T186]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.210528][  T186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.210534][  T186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.210536][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.210538][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.210543][  T186]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.210546][  T186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.210548][  T186]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.210551][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.210554][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.210558][  T186]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.210562][  T186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.210564][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.210569][  T186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.210572][  T186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.210574][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.210576][  T186]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.210579][  T186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.210581][  T186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.210585][  T186]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.210588][  T186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.210592][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.210595][  T186]  _printk (kernel/printk/printk.c:2504)
[   11.210599][  T186]  ? snapshot_read.cold (user.c:?)
[   11.210602][  T186]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   11.210604][  T186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.210608][  T186]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   11.210611][  T186]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   11.210615][  T186]  ? exit_notify (kernel/exit.c:780)
[   11.210617][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.210620][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.210624][  T186]  do_group_exit (kernel/exit.c:1151)
[   11.210627][  T186]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   11.210629][  T186]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   11.210631][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.210635][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.210638][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.210640][  T186] RIP: 0033:0x7f01402b21b8
[   11.210642][  T186] Code: Unable to access opcode bytes at 0x7f01402b218e.

Code starting with the faulting instruction
===========================================
[   11.210643][  T186] RSP: 002b:00007ffc4ea782d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   11.210646][  T186] RAX: ffffffffffffffda RBX: 00007f01403e2f88 RCX: 00007f01402b21b8
[   11.210647][  T186] RDX: 00007f013fffcfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   11.210648][  T186] RBP: 00007ffc4ea78330 R08: 0000000000000000 R09: 0000000000008010
[   11.210649][  T186] R10: 00007ffc4ea780f0 R11: 0000000000000246 R12: 0000000000000001
[   11.210650][  T186] R13: 0000000000000000 R14: 00007f01403e1680 R15: 00007f01403e2fa0
| [   13.077679][  T251] softirqs last disabled at (14994): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.077682][  T251] Preemption disabled at:
| [   13.077682][  T251] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.077691][  T251] Tainted: [W]=WARN
[   13.077692][  T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.077694][  T251] Call Trace:
[   13.077696][  T251]  <TASK>
[   13.077697][  T251]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.077703][  T251]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.077705][  T251]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.077710][  T251]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.077714][  T251]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.077719][  T251]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.077722][  T251]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.077727][  T251]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.077730][  T251]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.077733][  T251]  put_chars (drivers/char/virtio_console.c:1176)
[   13.077736][  T251]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.077740][  T251]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   13.077744][  T251]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.077747][  T251]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.077749][  T251]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.077750][  T251]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.077754][  T251]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.077756][  T251]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.077759][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.077763][  T251]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.077767][  T251]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.077771][  T251]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.077773][  T251]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.077776][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.077778][  T251]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.077782][  T251]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.077786][  T251]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.077788][  T251]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.077793][  T251]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.077796][  T251]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.077798][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.077800][  T251]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.077804][  T251]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.077806][  T251]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.077809][  T251]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.077813][  T251]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.077815][  T251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.077817][  T251]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   13.077821][  T251]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.077825][  T251]  _printk (kernel/printk/printk.c:2504)
[   13.077828][  T251]  ? snapshot_read.cold (user.c:?)
[   13.077832][  T251]  ? br_multicast_flood (??:?) bridge
[   13.077845][  T251]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.077846][  T251]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.077847][  T251]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.077852][  T251] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.077862][  T251] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.077871][  T251] new_nbp (net/bridge/br_if.c:449) bridge
[   13.077881][  T251] br_add_if (net/bridge/br_if.c:592) bridge
[   13.077889][  T251]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.077893][  T251]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.077896][  T251]  ? __kernel_text_address (kernel/extable.c:79)
[   13.077899][  T251]  do_set_master (net/core/rtnetlink.c:3071)
[   13.077904][  T251]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.077908][  T251]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.077911][  T251]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.077912][  T251]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.077914][  T251]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.077918][  T251]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.077921][  T251]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.077922][  T251]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.077925][  T251]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.077928][  T251]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.077929][  T251]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.077932][  T251]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.077934][  T251]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.077937][  T251]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.077942][  T251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.077943][  T251]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.077946][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.077949][  T251]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.077950][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.077952][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.077954][  T251]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.077958][  T251]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   13.077960][  T251]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.077962][  T251]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.077965][  T251]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.077967][  T251]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.077972][  T251]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.077977][  T251]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.077982][  T251]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.077984][  T251]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.077989][  T251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.077990][  T251]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.077992][  T251]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.077994][  T251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.077998][  T251]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.078000][  T251]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.078003][  T251]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.078004][  T251]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.078009][  T251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.078011][  T251]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.078014][  T251]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.078016][  T251]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.078019][  T251]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.078025][  T251]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.078026][  T251]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.078030][  T251]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.078034][  T251]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.078037][  T251]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.078041][  T251]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.078045][  T251]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.078048][  T251]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.078054][  T251]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.078056][  T251]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.078058][  T251]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.078060][  T251]  ? move_addr_to_kernel (net/socket.c:258)
[   13.078067][  T251]  ___sys_sendmsg (net/socket.c:2767)
[   13.078070][  T251]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.078086][  T251]  __sys_sendmsg (net/socket.c:2799)
[   13.078089][  T251]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.078095][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.078099][  T251]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.078101][  T251]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.078104][  T251]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.078106][  T251] RIP: 0033:0x7f5ce5b6a54e
[   13.078110][  T251] 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
[   13.078111][  T251] RSP: 002b:00007ffcfb0df390 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.078114][  T251] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5ce5b6a54e
[   13.078116][  T251] RDX: 0000000000000000 RSI: 00007ffcfb0df440 RDI: 0000000000000005
[   13.078116][  T251] RBP: 00007ffcfb0df3a0 R08: 0000000000000000 R09: 0000000000000000
[   13.078117][  T251] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dad3
[   13.078118][  T251] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfb0dfb00
| [   19.658434][  T495] softirqs last disabled at (26036): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   19.658437][  T495] Preemption disabled at:
| [   19.658438][  T495] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.658447][  T495] Tainted: [W]=WARN
[   19.658448][  T495] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.658451][  T495] Call Trace:
[   19.658453][  T495]  <TASK>
[   19.658456][  T495]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.658462][  T495]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.658464][  T495]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.658469][  T495]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.658473][  T495]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.658478][  T495]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   19.658481][  T495]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.658486][  T495]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.658489][  T495]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.658492][  T495]  put_chars (drivers/char/virtio_console.c:1176)
[   19.658495][  T495]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   19.658497][  T495]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.658500][  T495]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.658505][  T495]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.658507][  T495]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.658511][  T495]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.658514][  T495]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.658516][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.658517][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.658521][  T495]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.658523][  T495]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   19.658526][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.658529][  T495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.658533][  T495]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.658537][  T495]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.658538][  T495]  ? 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))
[   19.658542][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.658544][  T495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.658548][  T495]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.658552][  T495]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.658554][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.658559][  T495]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.658562][  T495]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.658564][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.658566][  T495]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.658570][  T495]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.658572][  T495]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.658575][  T495]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.658579][  T495]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.658582][  T495]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.658585][  T495]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   19.658588][  T495]  _printk (kernel/printk/printk.c:2504)
[   19.658592][  T495]  ? snapshot_read.cold (user.c:?)
[   19.658596][  T495]  ? br_multicast_flood (??:?) bridge
[   19.658609][  T495]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   19.658610][  T495]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   19.658612][  T495]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.658616][  T495] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   19.658627][  T495] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   19.658635][  T495] new_nbp (net/bridge/br_if.c:449) bridge
[   19.658644][  T495] br_add_if (net/bridge/br_if.c:592) bridge
[   19.658651][  T495]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   19.658655][  T495]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   19.658658][  T495]  ? __kernel_text_address (kernel/extable.c:79)
[   19.658662][  T495]  do_set_master (net/core/rtnetlink.c:3071)
[   19.658667][  T495]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   19.658670][  T495]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   19.658673][  T495]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   19.658675][  T495]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   19.658677][  T495]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   19.658680][  T495]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.658683][  T495]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.658685][  T495]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.658687][  T495]  ? kasan_save_stack (mm/kasan/common.c:58)
[   19.658690][  T495]  ? kasan_save_stack (mm/kasan/common.c:57)
[   19.658692][  T495]  ? kasan_save_track (mm/kasan/common.c:78)
[   19.658695][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.658697][  T495]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   19.658700][  T495]  ? ___sys_sendmsg (net/socket.c:2757)
[   19.658704][  T495]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.658706][  T495]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.658709][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.658711][  T495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.658713][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.658714][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.658717][  T495]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   19.658721][  T495]  ? __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)
[   19.658724][  T495]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   19.658726][  T495]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   19.658729][  T495]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   19.658731][  T495]  ? nla_get_range_signed (lib/nlattr.c:270)
[   19.658736][  T495]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   19.658741][  T495]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   19.658747][  T495]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.658748][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.658753][  T495]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.658755][  T495]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.658757][  T495]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.658759][  T495]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.658763][  T495]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   19.658765][  T495]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.658768][  T495]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.658769][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.658773][  T495]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.658775][  T495]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.658779][  T495]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.658780][  T495]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.658783][  T495]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.658789][  T495]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.658791][  T495]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.658795][  T495]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.658799][  T495]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.658802][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.658806][  T495]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.658810][  T495]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.658813][  T495]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   19.658819][  T495]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   19.658821][  T495]  ? copy_msghdr_from_user (net/socket.c:2650)
[   19.658824][  T495]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   19.658825][  T495]  ? move_addr_to_kernel (net/socket.c:258)
[   19.658833][  T495]  ___sys_sendmsg (net/socket.c:2767)
[   19.658835][  T495]  ? copy_msghdr_from_user (net/socket.c:2619)
[   19.658851][  T495]  __sys_sendmsg (net/socket.c:2799)
[   19.658854][  T495]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   19.658860][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.658864][  T495]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.658866][  T495]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.658870][  T495]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.658872][  T495] RIP: 0033:0x7fe9b736f54e
[   19.658876][  T495] 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
[   19.658877][  T495] RSP: 002b:00007ffc0fb6b9c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.658880][  T495] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe9b736f54e
[   19.658882][  T495] RDX: 0000000000000000 RSI: 00007ffc0fb6ba70 RDI: 0000000000000005
[   19.658882][  T495] RBP: 00007ffc0fb6b9d0 R08: 0000000000000000 R09: 0000000000000000
[   19.658883][  T495] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dada
[   19.658884][  T495] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0fb6c130
| [   20.132019][  T515]
| [   20.132019][  T515]
| [   20.132019][  T515] stack backtrace:
| [   20.132025][  T515] Tainted: [W]=WARN
[   20.132026][  T515] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.132029][  T515] Call Trace:
[   20.132030][  T515]  <TASK>
[   20.132031][  T515]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.132034][  T515]  print_bad_irq_dependency (kernel/locking/lockdep.c:2632)
[   20.132037][  T515]  check_irq_usage (kernel/locking/lockdep.c:2873 (discriminator 1))
[   20.132039][  T515]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.132043][  T515]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.132046][  T515]  ? check_path.constprop.0 (kernel/locking/lockdep.c:1864 kernel/locking/lockdep.c:2147)
[   20.132048][  T515]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   20.132049][  T515]  check_prev_add (kernel/locking/lockdep.c:3185)
[   20.132051][  T515]  validate_chain (kernel/locking/lockdep.c:3300 kernel/locking/lockdep.c:3924)
[   20.132053][  T515]  __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.132056][  T515]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.132057][  T515]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   20.132059][  T515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.132061][  T515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.132063][  T515]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   20.132065][  T515]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   20.132066][  T515]  console_emit_next_record (kernel/printk/printk.c:3177)
[   20.132068][  T515]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.132070][  T515]  ? 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))
[   20.132072][  T515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.132074][  T515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.132076][  T515]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.132078][  T515]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.132080][  T515]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.132082][  T515]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.132084][  T515]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.132086][  T515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.132087][  T515]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.132089][  T515]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.132091][  T515]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.132093][  T515]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.132095][  T515]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.132097][  T515]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.132099][  T515]  _printk (kernel/printk/printk.c:2504)
[   20.132101][  T515]  ? snapshot_read.cold (user.c:?)
[   20.132102][  T515]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.132104][  T515]  ? br_fdb_find (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/bridge/br_fdb.c:230 (discriminator 2)) bridge
[   20.132111][  T515] fdb_add_local.cold (net/bridge/br_fdb.c:445 (discriminator 4) net/bridge/br_fdb.c:430 (discriminator 4)) bridge
[   20.132118][  T515] br_fdb_add_local (net/bridge/br_fdb.c:961) bridge
[   20.132125][  T515] br_add_if (net/bridge/br_if.c:655) bridge
[   20.132132][  T515]  do_set_master (net/core/rtnetlink.c:3071)
[   20.132135][  T515]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   20.132136][  T515]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   20.132139][  T515]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   20.132140][  T515]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.132141][  T515]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.132145][  T515]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.132147][  T515]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.132148][  T515]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.132150][  T515]  ? kasan_save_stack (mm/kasan/common.c:58)
[   20.132152][  T515]  ? kasan_save_stack (mm/kasan/common.c:57)
[   20.132154][  T515]  ? kasan_save_track (mm/kasan/common.c:78)
[   20.132156][  T515]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.132157][  T515]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   20.132159][  T515]  ? ___sys_sendmsg (net/socket.c:2757)
[   20.132160][  T515]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.132162][  T515]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.132163][  T515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.132165][  T515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.132166][  T515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.132168][  T515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.132170][  T515]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   20.132173][  T515]  ? __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)
[   20.132174][  T515]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   20.132175][  T515]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.132177][  T515]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.132178][  T515]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.132180][  T515]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   20.132182][  T515]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   20.132184][  T515]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.132186][  T515]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.132188][  T515]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.132189][  T515]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.132191][  T515]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.132192][  T515]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.132194][  T515]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.132195][  T515]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.132197][  T515]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.132198][  T515]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.132200][  T515]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.132201][  T515]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.132203][  T515]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.132204][  T515]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.132206][  T515]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.132208][  T515]  ? 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))
[   20.132209][  T515]  ? 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))
[   20.132211][  T515]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.132213][  T515]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.132215][  T515]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.132217][  T515]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.132219][  T515]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.132220][  T515]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   20.132224][  T515]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   20.132226][  T515]  ? copy_msghdr_from_user (net/socket.c:2650)
[   20.132227][  T515]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   20.132229][  T515]  ? move_addr_to_kernel (net/socket.c:258)
[   20.132232][  T515]  ___sys_sendmsg (net/socket.c:2767)
[   20.132234][  T515]  ? copy_msghdr_from_user (net/socket.c:2619)
[   20.132239][  T515]  __sys_sendmsg (net/socket.c:2799)
[   20.132241][  T515]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   20.132244][  T515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.132246][  T515]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.132247][  T515]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.132249][  T515]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.132251][  T515] RIP: 0033:0x7f8f365f454e
[   20.132254][  T515] 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
[   20.132255][  T515] RSP: 002b:00007ffd1feba870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.132258][  T515] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8f365f454e
[   20.132259][  T515] RDX: 0000000000000000 RSI: 00007ffd1feba920 RDI: 0000000000000005
[   20.132260][  T515] RBP: 00007ffd1feba880 R08: 0000000000000000 R09: 0000000000000000
[   20.132261][  T515] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dada
[   20.132262][  T515] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1febafe0
| [   32.364104][ T1261] softirqs last disabled at (0): 0x0
| [   32.364106][ T1261] Preemption disabled at:
| [   32.364106][ T1261] vprintk_emit (kernel/printk/printk.c:2471)
| [   32.364117][ T1261] Tainted: [W]=WARN
[   32.364118][ T1261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.364121][ T1261] Call Trace:
[   32.364122][ T1261]  <TASK>
[   32.364123][ T1261]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.364129][ T1261]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   32.364131][ T1261]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.364134][ T1261]  ? __module_address (kernel/module/main.c:3915)
[   32.364138][ T1261]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.364141][ T1261]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   32.364143][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.364146][ T1261]  __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))
[   32.364150][ T1261]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   32.364152][ T1261]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.364156][ T1261]  ? 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)
[   32.364157][ T1261]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.364160][ T1261]  put_chars (drivers/char/virtio_console.c:1176)
[   32.364162][ T1261]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   32.364163][ T1261]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.364165][ T1261]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   32.364167][ T1261]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.364171][ T1261]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.364172][ T1261]  ? 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)
[   32.364174][ T1261]  ? vsnprintf (lib/vsprintf.c:2900)
[   32.364177][ T1261]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   32.364179][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.364181][ T1261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.364183][ T1261]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.364185][ T1261]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.364187][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.364189][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.364191][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.364192][ T1261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.364194][ T1261]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   32.364196][ T1261]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.364198][ T1261]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.364201][ T1261]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.364203][ T1261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.364204][ T1261]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.364206][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.364208][ T1261]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   32.364209][ T1261]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   32.364211][ T1261]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   32.364213][ T1261]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.364215][ T1261]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.364217][ T1261]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.364220][ T1261]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.364222][ T1261]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   32.364223][ T1261]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   32.364225][ T1261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.364227][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.364229][ T1261]  _printk (kernel/printk/printk.c:2504)
[   32.364232][ T1261]  ? snapshot_read.cold (user.c:?)
[   32.364234][ T1261]  ? br_multicast_flood (??:?) bridge
[   32.364247][ T1261]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   32.364249][ T1261]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   32.364250][ T1261]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.364253][ T1261] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   32.364261][ T1261] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   32.364269][ T1261] new_nbp (net/bridge/br_if.c:449) bridge
[   32.364277][ T1261] br_add_if (net/bridge/br_if.c:592) bridge
[   32.364284][ T1261]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   32.364287][ T1261]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   32.364289][ T1261]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   32.364292][ T1261]  ? __kernel_text_address (kernel/extable.c:79)
[   32.364293][ T1261]  do_set_master (net/core/rtnetlink.c:3071)
[   32.364297][ T1261]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   32.364298][ T1261]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   32.364300][ T1261]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   32.364301][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.364303][ T1261]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   32.364306][ T1261]  ? kasan_save_stack (mm/kasan/common.c:58)
[   32.364315][ T1261]  ? kasan_save_stack (mm/kasan/common.c:57)
[   32.364317][ T1261]  ? kasan_save_track (mm/kasan/common.c:78)
[   32.364318][ T1261]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   32.364320][ T1261]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   32.364321][ T1261]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   32.364323][ T1261]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.364324][ T1261]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.364326][ T1261]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.364327][ T1261]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.364329][ T1261]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   32.364331][ T1261]  ? ___sys_sendmsg (net/socket.c:2767)
[   32.364333][ T1261]  ? __sys_sendmsg (net/socket.c:2799)
[   32.364334][ T1261]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.364336][ T1261]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.364339][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.364341][ T1261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.364342][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.364344][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.364346][ T1261]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   32.364349][ T1261]  ? __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)
[   32.364351][ T1261]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   32.364352][ T1261]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.364354][ T1261]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   32.364355][ T1261]  ? nla_get_range_signed (lib/nlattr.c:270)
[   32.364358][ T1261]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   32.364360][ T1261]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   32.364362][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.364364][ T1261]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.364365][ T1261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.364366][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.364369][ T1261]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   32.364370][ T1261]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   32.364372][ T1261]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   32.364373][ T1261]  ? __kernel_text_address (kernel/extable.c:79)
[   32.364375][ T1261]  ? write_profile (profile.c:?)
[   32.364376][ T1261]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   32.364378][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.364380][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.364382][ T1261]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   32.364385][ T1261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.364387][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.364388][ T1261]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.364390][ T1261]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.364391][ T1261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.364393][ T1261]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   32.364394][ T1261]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   32.364397][ T1261]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.364398][ T1261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.364399][ T1261]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   32.364401][ T1261]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.364402][ T1261]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   32.364405][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.364407][ T1261]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   32.364409][ T1261]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.364411][ T1261]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.364412][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.364414][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.364416][ T1261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.364417][ T1261]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.364420][ T1261]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   32.364422][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.364423][ T1261]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   32.364425][ T1261]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   32.364427][ T1261]  ? copy_msghdr_from_user (net/socket.c:2650)
[   32.364428][ T1261]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   32.364430][ T1261]  ? move_addr_to_kernel (net/socket.c:258)
[   32.364432][ T1261]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   32.364434][ T1261]  ___sys_sendmsg (net/socket.c:2767)
[   32.364436][ T1261]  ? copy_msghdr_from_user (net/socket.c:2619)
[   32.364441][ T1261]  __sys_sendmsg (net/socket.c:2799)
[   32.364443][ T1261]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   32.364446][ T1261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.364448][ T1261]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.364449][ T1261]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.364451][ T1261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.364453][ T1261] RIP: 0033:0x7faf6559954e
[   32.364457][ T1261] 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
[   32.364459][ T1261] RSP: 002b:00007ffcf2c59350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.364462][ T1261] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007faf6559954e
[   32.364464][ T1261] RDX: 0000000000000000 RSI: 00007ffcf2c59400 RDI: 0000000000000005
[   32.364465][ T1261] RBP: 00007ffcf2c59360 R08: 0000000000000000 R09: 0000000000000000
[   32.364466][ T1261] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dae6


Finger prints:
print_bad_irq_dependency:check_irq_usage:check_prev_add:validate_chain:__lock_acquire
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print