======================================
| [    9.482711][  T198] softirqs last disabled at (26847): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.482713][  T198] Preemption disabled at:
| [    9.482714][  T198] 0x0
| [    9.482723][  T198] Tainted: [W]=WARN
[    9.482724][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.482725][  T198] Call Trace:
[    9.482727][  T198]  <TASK>
[    9.482729][  T198]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.482735][  T198]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.482740][  T198]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.482744][  T198]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.482748][  T198]  __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))
[    9.482750][  T198]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.482757][  T198]  ? 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)
[    9.482760][  T198]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.482763][  T198]  put_chars (drivers/char/virtio_console.c:1176)
[    9.482766][  T198]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.482767][  T198]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.482770][  T198]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.482775][  T198]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.482783][  T198]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.482785][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.482787][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.482791][  T198]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.482795][  T198]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.482797][  T198]  ? 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))
[    9.482800][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.482802][  T198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.482806][  T198]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.482810][  T198]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.482812][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.482817][  T198]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.482820][  T198]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.482822][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.482824][  T198]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[    9.482827][  T198]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.482829][  T198]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.482832][  T198]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.482835][  T198]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.482838][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.482841][  T198]  _printk (kernel/printk/printk.c:2504)
[    9.482845][  T198]  ? snapshot_read.cold (user.c:?)
[    9.482848][  T198]  ? 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)
[    9.482850][  T198]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.482854][  T198]  ? 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)
[    9.482857][  T198]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.482861][  T198]  ? exit_notify (kernel/exit.c:780)
[    9.482862][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.482865][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.482868][  T198]  do_group_exit (kernel/exit.c:1151)
[    9.482871][  T198]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.482873][  T198]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.482876][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.482880][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.482883][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.482885][  T198] RIP: 0033:0x7f7badba31b8
[    9.482887][  T198] Code: Unable to access opcode bytes at 0x7f7badba318e.

Code starting with the faulting instruction
===========================================
[    9.482888][  T198] RSP: 002b:00007ffe129226c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.482890][  T198] RAX: ffffffffffffffda RBX: 00007f7badcd3f88 RCX: 00007f7badba31b8
[    9.482892][  T198] RDX: 00007f7bad8edfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.482892][  T198] RBP: 00007ffe12922720 R08: 0000000000000000 R09: 0000000000000050
[    9.482893][  T198] R10: 00007ffe129224e0 R11: 0000000000000246 R12: 0000000000000001
[    9.482894][  T198] R13: 0000000000000000 R14: 00007f7badcd2680 R15: 00007f7badcd3fa0
| [   11.227529][  T264] softirqs last disabled at (31805): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.227531][  T264] Preemption disabled at:
| [   11.227532][  T264] 0x0
| [   11.227541][  T264] Tainted: [W]=WARN
[   11.227543][  T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.227544][  T264] Call Trace:
[   11.227546][  T264]  <TASK>
[   11.227547][  T264]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.227554][  T264]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.227558][  T264]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.227562][  T264]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.227566][  T264]  __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))
[   11.227568][  T264]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.227575][  T264]  ? 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)
[   11.227577][  T264]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.227581][  T264]  put_chars (drivers/char/virtio_console.c:1176)
[   11.227583][  T264]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.227585][  T264]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.227588][  T264]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.227593][  T264]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.227601][  T264]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.227603][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.227605][  T264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.227609][  T264]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.227613][  T264]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.227615][  T264]  ? 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))
[   11.227618][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.227620][  T264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.227624][  T264]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.227628][  T264]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.227630][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.227635][  T264]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.227638][  T264]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.227639][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.227641][  T264]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   11.227644][  T264]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.227646][  T264]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.227649][  T264]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.227652][  T264]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.227655][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.227658][  T264]  _printk (kernel/printk/printk.c:2504)
[   11.227662][  T264]  ? snapshot_read.cold (user.c:?)
[   11.227664][  T264]  ? 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)
[   11.227667][  T264]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.227671][  T264]  ? 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)
[   11.227673][  T264]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   11.227677][  T264]  ? exit_notify (kernel/exit.c:780)
[   11.227678][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.227681][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.227684][  T264]  do_group_exit (kernel/exit.c:1151)
[   11.227687][  T264]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   11.227689][  T264]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   11.227692][  T264]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.227696][  T264]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.227698][  T264]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.227701][  T264] RIP: 0033:0x7fd919b151b8
[   11.227703][  T264] Code: Unable to access opcode bytes at 0x7fd919b1518e.

Code starting with the faulting instruction
===========================================
[   11.227704][  T264] RSP: 002b:00007fffc30ea388 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   11.227706][  T264] RAX: ffffffffffffffda RBX: 00007fd919c45f88 RCX: 00007fd919b151b8
[   11.227708][  T264] RDX: 00007fd91985ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   11.227708][  T264] RBP: 00007fffc30ea3e0 R08: 0000000000000000 R09: 0000000000008010
[   11.227709][  T264] R10: 00007fffc30ea1a0 R11: 0000000000000246 R12: 0000000000000001
[   11.227710][  T264] R13: 0000000000000000 R14: 00007fd919c44680 R15: 00007fd919c45fa0
| [   13.981596][    C0]
| [   13.981596][    C0]
| [   13.981596][    C0] stack backtrace:
| [   13.981603][    C0] Tainted: [W]=WARN
[   13.981604][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.981605][    C0] Call Trace:
[   13.981606][    C0]  <IRQ>
[   13.981608][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.981612][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   13.981615][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   13.981616][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   13.981619][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   13.981621][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   13.981623][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   13.981625][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.981627][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   13.981629][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.981631][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.981633][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   13.981635][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   13.981637][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   13.981639][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.981641][    C0]  ? 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))
[   13.981643][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.981644][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.981646][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.981649][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.981650][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.981653][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.981655][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.981657][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.981658][    C0]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   13.981660][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.981662][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.981663][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.981665][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.981667][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   13.981669][    C0]  _printk (kernel/printk/printk.c:2504)
[   13.981670][    C0]  ? snapshot_read.cold (user.c:?)
[   13.981672][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   13.981674][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.981676][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   13.981678][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   13.981679][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   13.981681][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   13.981683][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   13.981685][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   13.981688][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.981690][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.981691][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.981693][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   13.981695][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   13.981697][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   13.981699][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.981702][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.981705][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   13.981707][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   13.981708][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.981711][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.981712][    C0]  handle_softirqs (kernel/softirq.c:645)
[   13.981714][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.981716][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   13.981718][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   13.981720][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   13.981722][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   13.981723][    C0]  </IRQ>
[   13.981724][    C0]  <TASK>
[   13.981724][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   13.981726][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   13.981728][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   13.981730][    C0] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 82 68 02 	mov    0x2688294(%rip),%rdi        # 0x268829b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 d3 a0 00 	sub    0xa0d358(%rip),%rax        # 0xa0d36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 06 0e 00 	verw   0xe0613(%rip)        # 0xe063b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   13.981732][    C0] RSP: 0018:ffffffff8ae07cf8 EFLAGS: 00000296
[   13.981734][    C0] RAX: 00000000000958d7 RBX: ffffffff8ae30600 RCX: ffffffff87506247
[   13.981735][    C0] RDX: ffffffff8ae30600 RSI: ffffffff8a711027 RDI: ffffffff8a0949e0
[   13.981736][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   13.981737][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff15c0fa2
[   13.981737][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   13.981739][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   13.981741][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.981743][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   13.981745][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   13.981746][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   13.981748][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   13.981750][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   13.981752][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.981754][    C0]  do_idle (kernel/sched/idle.c:355)
[   13.981755][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   13.981757][    C0]  rest_init (init/main.c:727)
[   13.981759][    C0]  ? __cpuidle_text_end (??:?)
[   13.981761][    C0]  ? rest_init (init/main.c:727)
[   13.981763][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   13.981766][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   13.981768][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   13.981770][    C0]  start_kernel (init/main.c:1185)
[   13.981772][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   13.981773][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   13.981775][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   13.981794][    C0] softirqs last disabled at (612569): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.981795][    C0] Preemption disabled at:
| [   13.981796][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   13.981802][    C0] Tainted: [W]=WARN
[   13.981802][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.981803][    C0] Call Trace:
[   13.981803][    C0]  <IRQ>
[   13.981804][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.981806][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   13.981808][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.981811][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.981814][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.981815][    C0]  __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))
[   13.981817][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.981818][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.981821][    C0]  ? 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)
[   13.981822][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.981825][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   13.981826][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.981828][    C0]  ? mark_lock (kernel/locking/lockdep.c:4769)
[   13.981830][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.981833][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.981835][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.981836][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.981838][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.981841][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.981842][    C0]  ? 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))
[   13.981845][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.981846][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.981848][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.981850][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.981852][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.981854][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.981856][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.981858][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.981859][    C0]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   13.981861][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.981863][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.981864][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.981866][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.981868][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   13.981869][    C0]  _printk (kernel/printk/printk.c:2504)
[   13.981871][    C0]  ? snapshot_read.cold (user.c:?)
[   13.981873][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   13.981875][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.981877][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   13.981879][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   13.981880][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   13.981882][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   13.981884][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   13.981886][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   13.981887][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.981889][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.981891][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.981893][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   13.981894][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   13.981897][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   13.981898][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.981901][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.981904][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   13.981906][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   13.981908][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.981909][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.981910][    C0]  handle_softirqs (kernel/softirq.c:645)
[   13.981912][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.981914][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   13.981916][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   13.981918][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   13.981919][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   13.981921][    C0]  </IRQ>
[   13.981922][    C0]  <TASK>
[   13.981922][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   13.981924][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   13.981925][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   13.981927][    C0] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 82 68 02 	mov    0x2688294(%rip),%rdi        # 0x268829b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 d3 a0 00 	sub    0xa0d358(%rip),%rax        # 0xa0d36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 06 0e 00 	verw   0xe0613(%rip)        # 0xe063b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   13.981928][    C0] RSP: 0018:ffffffff8ae07cf8 EFLAGS: 00000296
[   13.981929][    C0] RAX: 00000000000958d7 RBX: ffffffff8ae30600 RCX: ffffffff87506247
[   13.981930][    C0] RDX: ffffffff8ae30600 RSI: ffffffff8a711027 RDI: ffffffff8a0949e0
[   13.981931][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   13.981932][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff15c0fa2
[   13.981932][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   13.981934][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   13.981936][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.981938][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   13.981939][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   13.981941][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   13.981942][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   13.981944][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   13.981946][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.981947][    C0]  do_idle (kernel/sched/idle.c:355)
[   13.981949][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   13.981950][    C0]  rest_init (init/main.c:727)
[   13.981952][    C0]  ? __cpuidle_text_end (??:?)
[   13.981955][    C0]  ? rest_init (init/main.c:727)
[   13.981956][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   13.981958][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   13.981960][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   13.981961][    C0]  start_kernel (init/main.c:1185)
[   13.981963][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   13.981965][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   13.981966][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   24.832943][  T618] softirqs last disabled at (0): 0x0
| [   24.832945][  T618] Preemption disabled at:
| [   24.832946][  T618] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.832955][  T618] Tainted: [W]=WARN
[   24.832956][  T618] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.832958][  T618] Call Trace:
[   24.832960][  T618]  <TASK>
[   24.832961][  T618]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.832967][  T618]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.832968][  T618]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.832972][  T618]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.832975][  T618]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   24.832978][  T618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.832981][  T618]  __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))
[   24.832983][  T618]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   24.832986][  T618]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.832991][  T618]  ? 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)
[   24.832992][  T618]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.832995][  T618]  put_chars (drivers/char/virtio_console.c:1176)
[   24.832996][  T618]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.832998][  T618]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   24.833000][  T618]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.833005][  T618]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.833007][  T618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.833008][  T618]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.833010][  T618]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.833013][  T618]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.833015][  T618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.833016][  T618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.833017][  T618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.833018][  T618]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.833020][  T618]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   24.833022][  T618]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.833024][  T618]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.833027][  T618]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.833028][  T618]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.833030][  T618]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.833031][  T618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.833032][  T618]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   24.833034][  T618]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   24.833035][  T618]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   24.833037][  T618]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.833039][  T618]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.833040][  T618]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.833042][  T618]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.833043][  T618]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   24.833044][  T618]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   24.833050][  T618]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.833052][  T618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.833053][  T618]  _printk (kernel/printk/printk.c:2504)
[   24.833056][  T618]  ? snapshot_read.cold (user.c:?)
[   24.833058][  T618]  ? br_multicast_flood (??:?)
[   24.833061][  T618]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   24.833064][  T618]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.833065][  T618]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.833067][  T618]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   24.833070][  T618]  br_init_port (net/bridge/br_stp_if.c:39)
[   24.833072][  T618]  new_nbp (net/bridge/br_if.c:449)
[   24.833074][  T618]  br_add_if (net/bridge/br_if.c:592)
[   24.833075][  T618]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   24.833078][  T618]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   24.833079][  T618]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   24.833082][  T618]  do_set_master (net/core/rtnetlink.c:3071)
[   24.833084][  T618]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   24.833086][  T618]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.833089][  T618]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.833090][  T618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.833091][  T618]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   24.833094][  T618]  ? kasan_save_stack (mm/kasan/common.c:58)
[   24.833096][  T618]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.833097][  T618]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.833098][  T618]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   24.833099][  T618]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   24.833100][  T618]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   24.833101][  T618]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.833102][  T618]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.833105][  T618]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.833106][  T618]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.833107][  T618]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   24.833110][  T618]  ? ____sys_sendmsg (net/socket.c:2713)
[   24.833111][  T618]  ? ___sys_sendmsg (net/socket.c:2767)
[   24.833113][  T618]  ? __sys_sendmsg (net/socket.c:2799)
[   24.833114][  T618]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.833117][  T618]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.833119][  T618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.833120][  T618]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.833122][  T618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.833123][  T618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.833124][  T618]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.833125][  T618]  ? __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)
[   24.833127][  T618]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.833128][  T618]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.833129][  T618]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.833130][  T618]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.833133][  T618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.833135][  T618]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   24.833137][  T618]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.833139][  T618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.833140][  T618]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.833141][  T618]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.833142][  T618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.833144][  T618]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   24.833145][  T618]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   24.833146][  T618]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   24.833147][  T618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.833148][  T618]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   24.833152][  T618]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   24.833154][  T618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.833155][  T618]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.833156][  T618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.833158][  T618]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.833159][  T618]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.833160][  T618]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.833162][  T618]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   24.833163][  T618]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   24.833165][  T618]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.833167][  T618]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.833168][  T618]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   24.833170][  T618]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.833171][  T618]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   24.833174][  T618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.833175][  T618]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   24.833177][  T618]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.833179][  T618]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.833181][  T618]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.833183][  T618]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.833185][  T618]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.833187][  T618]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   24.833188][  T618]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.833190][  T618]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   24.833193][  T618]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   24.833194][  T618]  ____sys_sendmsg (net/socket.c:2713)
[   24.833196][  T618]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.833198][  T618]  ? sock_write_iter (net/socket.c:1269)
[   24.833199][  T618]  ? move_addr_to_kernel (net/socket.c:258)
[   24.833200][  T618]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   24.833203][  T618]  ___sys_sendmsg (net/socket.c:2767)
[   24.833205][  T618]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.833210][  T618]  __sys_sendmsg (net/socket.c:2799)
[   24.833211][  T618]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.833214][  T618]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.833216][  T618]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.833217][  T618]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.833219][  T618]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.833221][  T618] RIP: 0033:0x7f1e4250654e
[   24.833223][  T618] 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
[   24.833224][  T618] RSP: 002b:00007ffeb027ee90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.833228][  T618] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1e4250654e
[   24.833230][  T618] RDX: 0000000000000000 RSI: 00007ffeb027ef40 RDI: 0000000000000005
[   24.833230][  T618] RBP: 00007ffeb027eea0 R08: 0000000000000000 R09: 0000000000000000
[   24.833231][  T618] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916ff2
[   24.833232][  T618] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb027f610
| [   27.208891][  T637] softirqs last disabled at (0): 0x0
| [   27.208893][  T637] Preemption disabled at:
| [   27.208894][  T637] 0x0
| [   27.208902][  T637] Tainted: [W]=WARN
[   27.208903][  T637] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.208905][  T637] Call Trace:
[   27.208907][  T637]  <TASK>
[   27.208908][  T637]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.208913][  T637]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.208917][  T637]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.208920][  T637]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   27.208923][  T637]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.208926][  T637]  __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))
[   27.208928][  T637]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.208931][  T637]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.208936][  T637]  ? 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)
[   27.208938][  T637]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.208940][  T637]  put_chars (drivers/char/virtio_console.c:1176)
[   27.208941][  T637]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   27.208943][  T637]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.208944][  T637]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   27.208947][  T637]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.208951][  T637]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.208953][  T637]  ? 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)
[   27.208955][  T637]  ? vsnprintf (lib/vsprintf.c:2900)
[   27.208958][  T637]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.208959][  T637]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.208961][  T637]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.208963][  T637]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.208966][  T637]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.208968][  T637]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.208969][  T637]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.208970][  T637]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.208971][  T637]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.208972][  T637]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.208974][  T637]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.208976][  T637]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.208979][  T637]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.208981][  T637]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.208982][  T637]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.208984][  T637]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.208985][  T637]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.208986][  T637]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   27.208988][  T637]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   27.208989][  T637]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.208991][  T637]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.208992][  T637]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.208994][  T637]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.208995][  T637]  ? 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)
[   27.208997][  T637]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1))
[   27.208999][  T637]  ? __free_frozen_pages (mm/page_alloc.c:2991 (discriminator 2))
[   27.209002][  T637]  _printk (kernel/printk/printk.c:2504)
[   27.209005][  T637]  ? snapshot_read.cold (user.c:?)
[   27.209007][  T637]  ? 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)
[   27.209009][  T637]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.209011][  T637]  ? 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)
[   27.209012][  T637]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   27.209015][  T637]  ? exit_notify (kernel/exit.c:780)
[   27.209018][  T637]  __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116)
[   27.209019][  T637]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61)
[   27.209022][  T637]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.209024][  T637]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.209026][  T637]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.209028][  T637] RIP: 0033:0x7f720a78bc49
[   27.209029][  T637] Code: Unable to access opcode bytes at 0x7f720a78bc1f.

Code starting with the faulting instruction
===========================================
[   27.209031][  T637] RSP: 002b:00007f7209f4ae60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c
[   27.209034][  T637] RAX: ffffffffffffffda RBX: 00007f7209f4b6c0 RCX: 00007f720a78bc49
[   27.209035][  T637] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000
[   27.209036][  T637] RBP: 00007f7209f4af70 R08: 0000000000000001 R09: 00007f7209f4b6c0
[   27.209037][  T637] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f720974b000
[   27.209038][  T637] R13: 00007ffc424ba8f0 R14: 0000000000000002 R15: 00007ffc424ba9f7
| [   41.072953][ T1042] softirqs last disabled at (0): 0x0
| [   41.072955][ T1042] Preemption disabled at:
| [   41.072956][ T1042] vprintk_emit (kernel/printk/printk.c:2471)
| [   41.072965][ T1042] Tainted: [W]=WARN
[   41.072966][ T1042] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.072968][ T1042] Call Trace:
[   41.072969][ T1042]  <TASK>
[   41.072971][ T1042]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.072976][ T1042]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   41.072977][ T1042]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.072981][ T1042]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.072984][ T1042]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   41.072987][ T1042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.072990][ T1042]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   41.072992][ T1042]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   41.072995][ T1042]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.073000][ T1042]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   41.073002][ T1042]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.073004][ T1042]  put_chars (drivers/char/virtio_console.c:1176)
[   41.073006][ T1042]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.073007][ T1042]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   41.073010][ T1042]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.073015][ T1042]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.073016][ T1042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.073018][ T1042]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.073020][ T1042]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.073023][ T1042]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.073025][ T1042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.073026][ T1042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.073026][ T1042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.073027][ T1042]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.073029][ T1042]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   41.073031][ T1042]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.073033][ T1042]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.073036][ T1042]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.073038][ T1042]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.073039][ T1042]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.073041][ T1042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.073042][ T1042]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.073043][ T1042]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   41.073044][ T1042]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   41.073046][ T1042]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.073050][ T1042]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.073052][ T1042]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.073054][ T1042]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.073055][ T1042]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   41.073056][ T1042]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.073059][ T1042]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.073060][ T1042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.073062][ T1042]  _printk (kernel/printk/printk.c:2504)
[   41.073065][ T1042]  ? snapshot_read.cold (user.c:?)
[   41.073067][ T1042]  ? br_multicast_flood (??:?)
[   41.073070][ T1042]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   41.073073][ T1042]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.073074][ T1042]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.073076][ T1042]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   41.073078][ T1042]  br_init_port (net/bridge/br_stp_if.c:39)
[   41.073080][ T1042]  new_nbp (net/bridge/br_if.c:449)
[   41.073082][ T1042]  br_add_if (net/bridge/br_if.c:592)
[   41.073084][ T1042]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   41.073087][ T1042]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   41.073088][ T1042]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   41.073091][ T1042]  do_set_master (net/core/rtnetlink.c:3071)
[   41.073092][ T1042]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   41.073094][ T1042]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.073095][ T1042]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.073097][ T1042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.073098][ T1042]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   41.073101][ T1042]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.073103][ T1042]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.073104][ T1042]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.073105][ T1042]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   41.073106][ T1042]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   41.073107][ T1042]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   41.073108][ T1042]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.073109][ T1042]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.073111][ T1042]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.073113][ T1042]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.073114][ T1042]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   41.073117][ T1042]  ? ____sys_sendmsg (net/socket.c:2713)
[   41.073118][ T1042]  ? ___sys_sendmsg (net/socket.c:2767)
[   41.073119][ T1042]  ? __sys_sendmsg (net/socket.c:2799)
[   41.073121][ T1042]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.073124][ T1042]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.073127][ T1042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.073128][ T1042]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.073129][ T1042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.073130][ T1042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.073131][ T1042]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.073132][ T1042]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   41.073134][ T1042]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.073135][ T1042]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.073137][ T1042]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.073138][ T1042]  ? nla_get_range_signed (lib/nlattr.c:270)
[   41.073141][ T1042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.073142][ T1042]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.073144][ T1042]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.073146][ T1042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.073147][ T1042]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.073148][ T1042]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.073150][ T1042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.073151][ T1042]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   41.073152][ T1042]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   41.073153][ T1042]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   41.073155][ T1042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.073156][ T1042]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   41.073159][ T1042]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   41.073161][ T1042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.073162][ T1042]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.073164][ T1042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.073165][ T1042]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.073166][ T1042]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.073168][ T1042]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.073169][ T1042]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.073170][ T1042]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   41.073173][ T1042]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.073174][ T1042]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.073176][ T1042]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.073177][ T1042]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.073179][ T1042]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   41.073182][ T1042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.073183][ T1042]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   41.073185][ T1042]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.073187][ T1042]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.073188][ T1042]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.073190][ T1042]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.073192][ T1042]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.073194][ T1042]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   41.073195][ T1042]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.073197][ T1042]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   41.073200][ T1042]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   41.073202][ T1042]  ____sys_sendmsg (net/socket.c:2713)
[   41.073203][ T1042]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.073205][ T1042]  ? sock_write_iter (net/socket.c:1269)
[   41.073206][ T1042]  ? move_addr_to_kernel (net/socket.c:258)
[   41.073208][ T1042]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   41.073210][ T1042]  ___sys_sendmsg (net/socket.c:2767)
[   41.073212][ T1042]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.073216][ T1042]  __sys_sendmsg (net/socket.c:2799)
[   41.073218][ T1042]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.073221][ T1042]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.073222][ T1042]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.073224][ T1042]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.073226][ T1042]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.073227][ T1042] RIP: 0033:0x7f8479bbe54e
[   41.073229][ T1042] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   41.073231][ T1042] RSP: 002b:00007ffe4304eb50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.073234][ T1042] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f8479bbe54e
[   41.073235][ T1042] RDX: 0000000000000000 RSI: 00007ffe4304ec00 RDI: 0000000000000005
[   41.073236][ T1042] RBP: 00007ffe4304eb60 R08: 0000000000000000 R09: 0000000000000000
[   41.073237][ T1042] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917002
[   41.073238][ T1042] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4304f2d0
| [   43.441152][ T1061] softirqs last disabled at (0): 0x0
| [   43.441153][ T1061] Preemption disabled at:
| [   43.441154][ T1061] 0x0
| [   43.441162][ T1061] Tainted: [W]=WARN
[   43.441163][ T1061] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.441165][ T1061] Call Trace:
[   43.441167][ T1061]  <TASK>
[   43.441168][ T1061]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.441174][ T1061]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.441178][ T1061]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.441181][ T1061]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   43.441184][ T1061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.441186][ T1061]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   43.441189][ T1061]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.441192][ T1061]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.441197][ T1061]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   43.441199][ T1061]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.441201][ T1061]  put_chars (drivers/char/virtio_console.c:1176)
[   43.441203][ T1061]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   43.441204][ T1061]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.441206][ T1061]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   43.441209][ T1061]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.441213][ T1061]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.441215][ T1061]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   43.441217][ T1061]  ? vsnprintf (lib/vsprintf.c:2900)
[   43.441220][ T1061]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.441222][ T1061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.441223][ T1061]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.441226][ T1061]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.441229][ T1061]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.441231][ T1061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.441231][ T1061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.441232][ T1061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.441233][ T1061]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.441235][ T1061]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   43.441237][ T1061]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.441239][ T1061]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.441242][ T1061]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.441244][ T1061]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.441245][ T1061]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.441247][ T1061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.441248][ T1061]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.441249][ T1061]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   43.441251][ T1061]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   43.441252][ T1061]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.441254][ T1061]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.441255][ T1061]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.441257][ T1061]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.441258][ T1061]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   43.441260][ T1061]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1))
[   43.441262][ T1061]  ? __free_frozen_pages (mm/page_alloc.c:2991 (discriminator 2))
[   43.441265][ T1061]  _printk (kernel/printk/printk.c:2504)
[   43.441268][ T1061]  ? snapshot_read.cold (user.c:?)
[   43.441270][ T1061]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   43.441272][ T1061]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.441274][ T1061]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   43.441276][ T1061]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   43.441279][ T1061]  ? exit_notify (kernel/exit.c:780)
[   43.441281][ T1061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.441282][ T1061]  __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116)
[   43.441284][ T1061]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61)
[   43.441286][ T1061]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.441288][ T1061]  ? irq_exit_rcu (kernel/softirq.c:786)
[   43.441290][ T1061]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.441292][ T1061] RIP: 0033:0x7fefea468c49
[   43.441294][ T1061] Code: Unable to access opcode bytes at 0x7fefea468c1f.

Code starting with the faulting instruction
===========================================
[   43.441295][ T1061] RSP: 002b:00007fefe9c27e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c
[   43.441298][ T1061] RAX: ffffffffffffffda RBX: 00007fefe9c286c0 RCX: 00007fefea468c49
[   43.441299][ T1061] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000
[   43.441300][ T1061] RBP: 00007fefe9c27f70 R08: 0000000000000001 R09: 00007fefe9c286c0
[   43.441301][ T1061] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fefe9428000


Finger prints:
__irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable
__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record