======================================
| [    9.521028][  T197] softirqs last disabled at (44141): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.521030][  T197] Preemption disabled at:
| [    9.521031][  T197] 0x0
| [    9.521042][  T197] Tainted: [W]=WARN
[    9.521050][  T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.521052][  T197] Call Trace:
[    9.521053][  T197]  <TASK>
[    9.521055][  T197]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.521062][  T197]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.521067][  T197]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.521071][  T197]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.521076][  T197]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.521078][  T197]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.521084][  T197]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.521087][  T197]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.521090][  T197]  put_chars (drivers/char/virtio_console.c:1176)
[    9.521093][  T197]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.521094][  T197]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.521099][  T197]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.521104][  T197]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.521111][  T197]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.521113][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.521116][  T197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.521120][  T197]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.521124][  T197]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.521126][  T197]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.521129][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.521131][  T197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.521135][  T197]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.521140][  T197]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.521141][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.521147][  T197]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.521150][  T197]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.521152][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.521154][  T197]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.521158][  T197]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.521160][  T197]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.521163][  T197]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.521167][  T197]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.521170][  T197]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.521174][  T197]  _printk (kernel/printk/printk.c:2504)
[    9.521178][  T197]  ? snapshot_read.cold (user.c:?)
[    9.521181][  T197]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.521184][  T197]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.521188][  T197]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.521190][  T197]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.521194][  T197]  ? exit_notify (kernel/exit.c:780)
[    9.521196][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.521199][  T197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.521203][  T197]  do_group_exit (kernel/exit.c:1151)
[    9.521206][  T197]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.521208][  T197]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.521210][  T197]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.521214][  T197]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.521217][  T197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.521219][  T197] RIP: 0033:0x7fb703e881b8
[    9.521221][  T197] Code: Unable to access opcode bytes at 0x7fb703e8818e.

Code starting with the faulting instruction
===========================================
[    9.521223][  T197] RSP: 002b:00007fff31daa988 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.521225][  T197] RAX: ffffffffffffffda RBX: 00007fb703fb8f88 RCX: 00007fb703e881b8
[    9.521226][  T197] RDX: 00007fb703bd2fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.521227][  T197] RBP: 00007fff31daa9e0 R08: 0000000000000000 R09: 0000000000008010
[    9.521228][  T197] R10: 00007fff31daa7a0 R11: 0000000000000246 R12: 0000000000000001
[    9.521229][  T197] R13: 0000000000000000 R14: 00007fb703fb7680 R15: 00007fb703fb8fa0
| [   12.165341][  T371] softirqs last disabled at (20960): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.165343][  T371] Preemption disabled at:
| [   12.165344][  T371] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.165355][  T371] Tainted: [W]=WARN
[   12.165357][  T371] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.165359][  T371] Call Trace:
[   12.165361][  T371]  <TASK>
[   12.165362][  T371]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.165368][  T371]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.165370][  T371]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.165375][  T371]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.165379][  T371]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.165385][  T371]  __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))
[   12.165387][  T371]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.165392][  T371]  ? 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)
[   12.165395][  T371]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.165398][  T371]  put_chars (drivers/char/virtio_console.c:1176)
[   12.165401][  T371]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.165405][  T371]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.165409][  T371]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.165412][  T371]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.165414][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.165415][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.165419][  T371]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.165421][  T371]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.165425][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.165429][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.165433][  T371]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.165436][  T371]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.165438][  T371]  ? 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))
[   12.165441][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.165444][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.165448][  T371]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.165452][  T371]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.165454][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.165459][  T371]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.165462][  T371]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.165464][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.165466][  T371]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.165470][  T371]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.165471][  T371]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.165475][  T371]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.165478][  T371]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.165481][  T371]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.165483][  T371]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.165489][  T371]  _printk (kernel/printk/printk.c:2504)
[   12.165493][  T371]  ? snapshot_read.cold (user.c:?)
[   12.165497][  T371]  ? br_multicast_flood (??:?) bridge
[   12.165510][  T371]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.165511][  T371]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.165512][  T371]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.165517][  T371] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.165527][  T371] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.165536][  T371] new_nbp (net/bridge/br_if.c:449) bridge
[   12.165545][  T371] br_add_if (net/bridge/br_if.c:592) bridge
[   12.165552][  T371]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.165556][  T371]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.165559][  T371]  ? __kernel_text_address (kernel/extable.c:79)
[   12.165563][  T371]  do_set_master (net/core/rtnetlink.c:3071)
[   12.165568][  T371]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.165571][  T371]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.165574][  T371]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.165576][  T371]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.165579][  T371]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.165582][  T371]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.165585][  T371]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.165587][  T371]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.165589][  T371]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.165593][  T371]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.165594][  T371]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.165597][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.165599][  T371]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   12.165602][  T371]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.165607][  T371]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.165611][  T371]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.165613][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.165616][  T371]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.165618][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.165619][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.165622][  T371]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.165626][  T371]  ? __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)
[   12.165628][  T371]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.165630][  T371]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.165633][  T371]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.165635][  T371]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.165640][  T371]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.165645][  T371]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.165650][  T371]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.165652][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.165657][  T371]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.165659][  T371]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.165661][  T371]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.165663][  T371]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.165667][  T371]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.165669][  T371]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.165672][  T371]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.165673][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.165678][  T371]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.165680][  T371]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.165683][  T371]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.165685][  T371]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.165688][  T371]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.165694][  T371]  ? 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))
[   12.165695][  T371]  ? 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))
[   12.165700][  T371]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.165704][  T371]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.165706][  T371]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.165711][  T371]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.165714][  T371]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.165718][  T371]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.165723][  T371]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.165726][  T371]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.165728][  T371]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.165730][  T371]  ? move_addr_to_kernel (net/socket.c:258)
[   12.165737][  T371]  ___sys_sendmsg (net/socket.c:2767)
[   12.165740][  T371]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.165756][  T371]  __sys_sendmsg (net/socket.c:2799)
[   12.165759][  T371]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.165765][  T371]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.165769][  T371]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.165771][  T371]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.165775][  T371]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.165777][  T371] RIP: 0033:0x7f0c98a3d54e
[   12.165780][  T371] 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
[   12.165782][  T371] RSP: 002b:00007ffec0625d10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.165785][  T371] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f0c98a3d54e
[   12.165787][  T371] RDX: 0000000000000000 RSI: 00007ffec0625dc0 RDI: 0000000000000005
[   12.165788][  T371] RBP: 00007ffec0625d20 R08: 0000000000000000 R09: 0000000000000000
[   12.165788][  T371] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a4da
[   12.165789][  T371] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec0626480
| [   13.232243][  T463] softirqs last disabled at (14018): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.232245][  T463] Preemption disabled at:
| [   13.232246][  T463] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.232255][  T463] Tainted: [W]=WARN
[   13.232256][  T463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.232258][  T463] Call Trace:
[   13.232259][  T463]  <TASK>
[   13.232261][  T463]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.232267][  T463]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.232269][  T463]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.232274][  T463]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.232278][  T463]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.232283][  T463]  __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))
[   13.232286][  T463]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.232292][  T463]  ? 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)
[   13.232295][  T463]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.232298][  T463]  put_chars (drivers/char/virtio_console.c:1176)
[   13.232300][  T463]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   13.232302][  T463]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.232305][  T463]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.232310][  T463]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.232312][  T463]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.232316][  T463]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.232319][  T463]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.232321][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.232323][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.232327][  T463]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.232329][  T463]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.232332][  T463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.232335][  T463]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.232339][  T463]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.232342][  T463]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.232344][  T463]  ? 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))
[   13.232349][  T463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.232353][  T463]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.232359][  T463]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.232364][  T463]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.232366][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.232371][  T463]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.232374][  T463]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.232376][  T463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.232378][  T463]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.232382][  T463]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.232383][  T463]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.232387][  T463]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.232391][  T463]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.232393][  T463]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.232398][  T463]  _printk (kernel/printk/printk.c:2504)
[   13.232402][  T463]  ? snapshot_read.cold (user.c:?)
[   13.232406][  T463]  ? br_multicast_flood (??:?) bridge
[   13.232419][  T463]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.232420][  T463]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.232422][  T463]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.232426][  T463] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.232437][  T463] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.232446][  T463] new_nbp (net/bridge/br_if.c:449) bridge
[   13.232455][  T463] br_add_if (net/bridge/br_if.c:592) bridge
[   13.232462][  T463]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.232466][  T463]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.232469][  T463]  ? __kernel_text_address (kernel/extable.c:79)
[   13.232473][  T463]  do_set_master (net/core/rtnetlink.c:3071)
[   13.232478][  T463]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.232481][  T463]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.232484][  T463]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.232486][  T463]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.232487][  T463]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.232491][  T463]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.232494][  T463]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.232496][  T463]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.232499][  T463]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.232502][  T463]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.232504][  T463]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.232507][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.232509][  T463]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   13.232512][  T463]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.232516][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.232518][  T463]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.232521][  T463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.232523][  T463]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.232525][  T463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.232527][  T463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.232529][  T463]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.232533][  T463]  ? __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)
[   13.232536][  T463]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.232538][  T463]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.232542][  T463]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.232543][  T463]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.232549][  T463]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.232554][  T463]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.232559][  T463]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.232561][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.232568][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.232570][  T463]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.232572][  T463]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.232574][  T463]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.232578][  T463]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.232580][  T463]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.232584][  T463]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.232585][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.232590][  T463]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.232592][  T463]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.232595][  T463]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.232597][  T463]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.232600][  T463]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.232606][  T463]  ? 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))
[   13.232608][  T463]  ? 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))
[   13.232614][  T463]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.232618][  T463]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.232621][  T463]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.232625][  T463]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.232629][  T463]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.232633][  T463]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.232638][  T463]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.232640][  T463]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.232643][  T463]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.232645][  T463]  ? move_addr_to_kernel (net/socket.c:258)
[   13.232652][  T463]  ___sys_sendmsg (net/socket.c:2767)
[   13.232655][  T463]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.232671][  T463]  __sys_sendmsg (net/socket.c:2799)
[   13.232674][  T463]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.232680][  T463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.232684][  T463]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.232686][  T463]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.232689][  T463]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.232692][  T463] RIP: 0033:0x7f51a865354e
[   13.232695][  T463] 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
[   13.232697][  T463] RSP: 002b:00007ffda0476970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.232700][  T463] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f51a865354e
[   13.232701][  T463] RDX: 0000000000000000 RSI: 00007ffda0476a20 RDI: 0000000000000005
[   13.232702][  T463] RBP: 00007ffda0476980 R08: 0000000000000000 R09: 0000000000000000
[   13.232703][  T463] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a4db
[   13.232704][  T463] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda04770e0
| [   27.506159][    C3] softirqs last disabled at (6699307): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [   27.506163][    C3] Preemption disabled at:
| [   27.506164][    C3] __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
| [   27.506174][    C3] Tainted: [W]=WARN
[   27.506175][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.506185][    C3] Call Trace:
[   27.506187][    C3]  <IRQ>
[   27.506189][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.506196][    C3]  ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
[   27.506198][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.506202][    C3]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   27.506205][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.506208][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.506212][    C3]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.506216][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.506219][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.506222][    C3]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.506224][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.506226][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   27.506228][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.506230][    C3]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.506233][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.506237][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.506238][    C3]  ? vsnprintf (lib/vsprintf.c:2900)
[   27.506240][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.506242][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.506244][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.506247][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.506249][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.506251][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.506253][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.506255][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.506257][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.506259][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.506261][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.506264][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.506266][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.506267][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.506269][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.506271][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.506272][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.506274][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.506276][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.506278][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.506281][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.506283][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.506285][    C3]  _printk (kernel/printk/printk.c:2504)
[   27.506288][    C3]  ? snapshot_read.cold (user.c:?)
[   27.506291][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.506293][    C3]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   27.506295][    C3]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   27.506297][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.506300][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.506302][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.506304][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.506306][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.506308][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.506320][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.506322][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.506324][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.506332][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.506334][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.506340][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.506347][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.506359][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   27.506362][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.506364][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.506366][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.506368][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.506371][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.506373][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.506380][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.506382][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.506384][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.506387][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.506389][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.506391][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.506393][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.506395][    C3]  handle_softirqs (kernel/softirq.c:645)
[   27.506397][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.506399][    C3]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.506401][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.506402][    C3]  ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[   27.506404][    C3]  do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
[   27.506406][    C3]  </IRQ>
[   27.506407][    C3]  <TASK>
[   27.506407][    C3]  __local_bh_enable_ip (kernel/softirq.c:473)
[   27.506409][    C3]  __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[   27.506411][    C3]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   27.506414][    C3]  ? _copy_from_iter_flushcache (./include/linux/iov_iter.h:112)
[   27.506417][    C3]  ? _copy_from_iter_flushcache (./include/linux/iov_iter.h:112)
[   27.506418][    C3]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.506420][    C3]  ? ref_tracker_alloc (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:252 ./include/linux/refcount.h:283 ./include/linux/refcount.h:366 ./include/linux/refcount.h:383 lib/ref_tracker.c:265)
[   27.506422][    C3]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   27.506425][    C3]  ? packet_parse_headers (./include/linux/skbuff.h:1625 ./include/linux/skbuff.h:3225 net/packet/af_packet.c:1949)
[   27.506428][    C3]  ? packet_parse_headers (./include/linux/skbuff.h:1625 ./include/linux/skbuff.h:3225 net/packet/af_packet.c:1949)
[   27.506430][    C3]  ? packet_rcv_spkt (./include/net/dst.h:285)
[   27.506432][    C3]  packet_snd (net/packet/af_packet.c:3110)
[   27.506436][    C3]  ? tpacket_snd (net/packet/af_packet.c:2786 (discriminator 1))
[   27.506438][    C3]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.506441][    C3]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.506443][    C3]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   27.506446][    C3]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   27.506449][    C3]  ? sock_ioctl (net/socket.c:1446)
[   27.506453][    C3]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   27.506455][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.506456][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.506458][    C3]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   27.506460][    C3]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.506461][    C3]  ? irq_exit_rcu (kernel/softirq.c:786)
[   27.506463][    C3]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.506465][    C3] RIP: 0033:0x7f5150d6854e
[   27.506468][    C3] 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
[   27.506470][    C3] RSP: 002b:00007fff210d51a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   27.506474][    C3] RAX: ffffffffffffffda RBX: 00005610d12b85e2 RCX: 00007f5150d6854e
[   27.506475][    C3] RDX: 0000000000001f6a RSI: 00005610d12b85e2 RDI: 0000000000000005
[   27.506476][    C3] RBP: 00007fff210d51b0 R08: 00007fff210d5200 R09: 0000000000000014
[   27.506477][    C3] R10: 0000000000000000 R11: 0000000000000202 R12: 00005610d12b5830
[   27.506478][    C3] R13: 0000000000001f6a R14: 0000000000000005 R15: 00005610d12b5830
| [   27.557004][    C3]
| [   27.557069][    C3]
| [   27.557069][    C3] stack backtrace:
| [   27.557251][    C3] Tainted: [W]=WARN
[   27.557252][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.557253][    C3] Call Trace:
[   27.557254][    C3]  <IRQ>
[   27.557255][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.557259][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.557262][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.557265][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.557267][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.557268][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.557271][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.557272][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.557280][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.557283][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.557285][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.557292][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.557293][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.557300][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.557307][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.557314][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   27.557316][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.557318][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.557320][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.557321][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.557324][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.557326][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.557333][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.557335][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.557338][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.557341][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.557343][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.557345][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.557347][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.557351][    C3]  handle_softirqs (kernel/softirq.c:645)
[   27.557355][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.557357][    C3]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.557359][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.557361][    C3]  ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[   27.557363][    C3]  do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
[   27.557365][    C3]  </IRQ>
[   27.557366][    C3]  <TASK>
[   27.557366][    C3]  __local_bh_enable_ip (kernel/softirq.c:473)
[   27.557368][    C3]  __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[   27.557370][    C3]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   27.557374][    C3]  ? _copy_from_iter_flushcache (./include/linux/iov_iter.h:112)
[   27.557376][    C3]  ? _copy_from_iter_flushcache (./include/linux/iov_iter.h:112)
[   27.557378][    C3]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.557379][    C3]  ? ref_tracker_alloc (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:252 ./include/linux/refcount.h:283 ./include/linux/refcount.h:366 ./include/linux/refcount.h:383 lib/ref_tracker.c:265)
[   27.557382][    C3]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   27.557384][    C3]  ? packet_parse_headers (./include/linux/skbuff.h:1625 ./include/linux/skbuff.h:3225 net/packet/af_packet.c:1949)
[   27.557386][    C3]  ? packet_parse_headers (./include/linux/skbuff.h:1625 ./include/linux/skbuff.h:3225 net/packet/af_packet.c:1949)
[   27.557388][    C3]  ? packet_rcv_spkt (./include/net/dst.h:285)
[   27.557391][    C3]  packet_snd (net/packet/af_packet.c:3110)
[   27.557394][    C3]  ? tpacket_snd (net/packet/af_packet.c:2786 (discriminator 1))
[   27.557397][    C3]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.557400][    C3]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.557402][    C3]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   27.557404][    C3]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   27.557407][    C3]  ? sock_ioctl (net/socket.c:1446)
[   27.557410][    C3]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   27.557413][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.557414][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.557416][    C3]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   27.557417][    C3]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.557418][    C3]  ? irq_exit_rcu (kernel/softirq.c:786)
[   27.557420][    C3]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.557422][    C3] RIP: 0033:0x7f5150d6854e
[   27.557423][    C3] 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
[   27.557424][    C3] RSP: 002b:00007fff210d51a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   27.557426][    C3] RAX: ffffffffffffffda RBX: 00005610d12b85e2 RCX: 00007f5150d6854e
[   27.557428][    C3] RDX: 0000000000001f6a RSI: 00005610d12b85e2 RDI: 0000000000000005
[   27.557429][    C3] RBP: 00007fff210d51b0 R08: 00007fff210d5200 R09: 0000000000000014
[   27.557429][    C3] R10: 0000000000000000 R11: 0000000000000202 R12: 00005610d12b5830
[   27.557430][    C3] R13: 0000000000001f6a R14: 0000000000000005 R15: 00005610d12b5830
| [  390.614776][ T1964] softirqs last disabled at (0): 0x0
| [  390.614778][ T1964] Preemption disabled at:
| [  390.614778][ T1964] 0x0
| [  390.614787][ T1964] Tainted: [W]=WARN
[  390.614788][ T1964] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  390.614789][ T1964] Call Trace:
[  390.614791][ T1964]  <TASK>
[  390.614792][ T1964]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  390.614798][ T1964]  __might_resched.cold (kernel/sched/core.c:9234)
[  390.614802][ T1964]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  390.614806][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.614810][ T1964]  __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))
[  390.614813][ T1964]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  390.614816][ T1964]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  390.614821][ T1964]  ? 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)
[  390.614822][ T1964]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  390.614824][ T1964]  put_chars (drivers/char/virtio_console.c:1176)
[  390.614826][ T1964]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  390.614828][ T1964]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  390.614832][ T1964]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  390.614835][ T1964]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  390.614837][ T1964]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  390.614839][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.614841][ T1964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  390.614843][ T1964]  console_emit_next_record (kernel/printk/printk.c:3183)
[  390.614845][ T1964]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  390.614848][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.614849][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.614851][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.614853][ T1964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  390.614855][ T1964]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  390.614856][ T1964]  console_flush_one_record (kernel/printk/printk.c:3268)
[  390.614859][ T1964]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  390.614868][ T1964]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  390.614869][ T1964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  390.614871][ T1964]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  390.614873][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.614875][ T1964]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  390.614876][ T1964]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  390.614878][ T1964]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  390.614880][ T1964]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  390.614882][ T1964]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  390.614884][ T1964]  vprintk_emit (kernel/printk/printk.c:2479)
[  390.614886][ T1964]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  390.614888][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.614890][ T1964]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  390.614893][ T1964]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  390.614894][ T1964]  _printk (kernel/printk/printk.c:2504)
[  390.614898][ T1964]  ? snapshot_read.cold (user.c:?)
[  390.614900][ T1964]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[  390.614905][ T1964] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  390.614918][ T1964] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  390.614927][ T1964] br_device_event (net/bridge/br.c:111) bridge
[  390.614936][ T1964]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  390.614939][ T1964]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  390.614942][ T1964]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  390.614945][ T1964]  notifier_call_chain (kernel/notifier.c:85)
[  390.614948][ T1964]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  390.614952][ T1964]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  390.614954][ T1964]  ? netif_change_name (net/core/dev.c:1517)
[  390.614956][ T1964]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  390.614958][ T1964]  ? __kernel_text_address (kernel/extable.c:79)
[  390.614961][ T1964]  ? write_profile (profile.c:?)
[  390.614963][ T1964]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  390.614966][ T1964]  netif_change_flags (net/core/dev.c:9882)
[  390.614968][ T1964]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  390.614971][ T1964]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  390.614972][ T1964]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  390.614974][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.614975][ T1964]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  390.614979][ T1964]  ? kasan_save_stack (mm/kasan/common.c:58)
[  390.614982][ T1964]  ? kasan_save_stack (mm/kasan/common.c:57)
[  390.614984][ T1964]  ? kasan_save_track (mm/kasan/common.c:78)
[  390.614985][ T1964]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  390.614987][ T1964]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  390.614988][ T1964]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  390.614989][ T1964]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  390.614991][ T1964]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  390.614993][ T1964]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  390.614995][ T1964]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  390.614996][ T1964]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  390.614998][ T1964]  ? ___sys_sendmsg (net/socket.c:2767)
[  390.615000][ T1964]  ? __sys_sendmsg (net/socket.c:2799)
[  390.615002][ T1964]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  390.615004][ T1964]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  390.615006][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.615008][ T1964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  390.615010][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.615011][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.615013][ T1964]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  390.615016][ T1964]  ? __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)
[  390.615018][ T1964]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  390.615019][ T1964]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  390.615021][ T1964]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  390.615023][ T1964]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  390.615025][ T1964]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  390.615027][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.615029][ T1964]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  390.615030][ T1964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  390.615032][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.615034][ T1964]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  390.615037][ T1964]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  390.615039][ T1964]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  390.615040][ T1964]  ? __kernel_text_address (kernel/extable.c:79)
[  390.615041][ T1964]  ? write_profile (profile.c:?)
[  390.615042][ T1964]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  390.615044][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.615046][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.615047][ T1964]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  390.615051][ T1964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  390.615052][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.615054][ T1964]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  390.615056][ T1964]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  390.615057][ T1964]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  390.615059][ T1964]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  390.615060][ T1964]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  390.615063][ T1964]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  390.615064][ T1964]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  390.615066][ T1964]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  390.615067][ T1964]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  390.615069][ T1964]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  390.615071][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.615073][ T1964]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  390.615075][ T1964]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  390.615077][ T1964]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  390.615079][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.615080][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.615082][ T1964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  390.615084][ T1964]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  390.615086][ T1964]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  390.615088][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.615090][ T1964]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  390.615092][ T1964]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  390.615093][ T1964]  ? copy_msghdr_from_user (net/socket.c:2650)
[  390.615095][ T1964]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  390.615097][ T1964]  ? move_addr_to_kernel (net/socket.c:258)
[  390.615098][ T1964]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  390.615101][ T1964]  ___sys_sendmsg (net/socket.c:2767)
[  390.615103][ T1964]  ? copy_msghdr_from_user (net/socket.c:2619)
[  390.615108][ T1964]  __sys_sendmsg (net/socket.c:2799)
[  390.615110][ T1964]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  390.615112][ T1964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.615115][ T1964]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  390.615116][ T1964]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  390.615118][ T1964]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  390.615119][ T1964] RIP: 0033:0x7f650332854e
[  390.615121][ T1964] 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
[  390.615123][ T1964] RSP: 002b:00007ffe07b30310 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  390.615127][ T1964] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f650332854e
[  390.615129][ T1964] RDX: 0000000000000000 RSI: 00007ffe07b303c0 RDI: 0000000000000005
[  390.615129][ T1964] RBP: 00007ffe07b30320 R08: 0000000000000000 R09: 0000000000000000
[  390.615130][ T1964] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a655


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
__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
do_softirq:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars