======================================
| [   15.990715][  T271] softirqs last disabled at (21576): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   15.990718][  T271] Preemption disabled at:
| [   15.990718][  T271] 0x0
| [   15.990728][  T271] Tainted: [W]=WARN
[   15.990729][  T271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.990731][  T271] Call Trace:
[   15.990733][  T271]  <TASK>
[   15.990734][  T271]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.990741][  T271]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.990745][  T271]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.990750][  T271]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.990754][  T271]  __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))
[   15.990756][  T271]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.990762][  T271]  ? 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)
[   15.990765][  T271]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.990769][  T271]  put_chars (drivers/char/virtio_console.c:1176)
[   15.990771][  T271]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.990773][  T271]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.990776][  T271]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.990781][  T271]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.990789][  T271]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.990792][  T271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.990794][  T271]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.990798][  T271]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.990802][  T271]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.990804][  T271]  ? 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))
[   15.990807][  T271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.990809][  T271]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.990813][  T271]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.990817][  T271]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.990819][  T271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.990824][  T271]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.990827][  T271]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.990829][  T271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.990831][  T271]  ? 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)
[   15.990834][  T271]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.990836][  T271]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.990839][  T271]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.990842][  T271]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.990845][  T271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.990849][  T271]  _printk (kernel/printk/printk.c:2504)
[   15.990853][  T271]  ? snapshot_read.cold (user.c:?)
[   15.990856][  T271]  ? 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)
[   15.990858][  T271]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.990862][  T271]  ? 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)
[   15.990865][  T271]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   15.990869][  T271]  ? exit_notify (kernel/exit.c:780)
[   15.990870][  T271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.990873][  T271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.990876][  T271]  do_group_exit (kernel/exit.c:1151)
[   15.990879][  T271]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   15.990881][  T271]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   15.990884][  T271]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.990888][  T271]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.990891][  T271]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.990893][  T271] RIP: 0033:0x7ff3f2a251b8
[   15.990895][  T271] Code: Unable to access opcode bytes at 0x7ff3f2a2518e.

Code starting with the faulting instruction
===========================================
[   15.990896][  T271] RSP: 002b:00007fffa6d20a98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   15.990899][  T271] RAX: ffffffffffffffda RBX: 00007ff3f2b55f88 RCX: 00007ff3f2a251b8
[   15.990900][  T271] RDX: 00007ff3f276ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   15.990901][  T271] RBP: 00007fffa6d20af0 R08: 0000000000000000 R09: 0000000000000050
[   15.990902][  T271] R10: 00007fffa6d208b0 R11: 0000000000000246 R12: 0000000000000001
[   15.990903][  T271] R13: 0000000000000000 R14: 00007ff3f2b54680 R15: 00007ff3f2b55fa0
| [   25.846636][  T320] softirqs last disabled at (31921): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   25.846640][  T320] Preemption disabled at:
| [   25.846641][  T320] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.846652][  T320] Tainted: [W]=WARN
[   25.846653][  T320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.846655][  T320] Call Trace:
[   25.846658][  T320]  <TASK>
[   25.846660][  T320]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.846667][  T320]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.846670][  T320]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.846676][  T320]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.846681][  T320]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.846688][  T320]  __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))
[   25.846691][  T320]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.846701][  T320]  ? 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)
[   25.846704][  T320]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.846710][  T320]  put_chars (drivers/char/virtio_console.c:1176)
[   25.846712][  T320]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   25.846716][  T320]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.846721][  T320]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.846725][  T320]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.846733][  T320]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.846738][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.846740][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.846748][  T320]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.846751][  T320]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   25.846756][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.846759][  T320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.846766][  T320]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.846773][  T320]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.846775][  T320]  ? 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))
[   25.846781][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.846783][  T320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.846790][  T320]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.846797][  T320]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.846800][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.846809][  T320]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.846814][  T320]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.846817][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.846819][  T320]  ? 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)
[   25.846826][  T320]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.846829][  T320]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.846833][  T320]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.846840][  T320]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.846849][  T320]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   25.846853][  T320]  _printk (kernel/printk/printk.c:2504)
[   25.846859][  T320]  ? snapshot_read.cold (user.c:?)
[   25.846870][  T320]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   25.846875][  T320] gact_init_module (net/sched/act_gact.c:180) act_gact
[   25.846878][  T320]  do_one_initcall (init/main.c:1357)
[   25.846883][  T320]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   25.846891][  T320]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   25.846894][  T320]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   25.846903][  T320]  do_init_module (kernel/module/main.c:3117)
[   25.846909][  T320]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   25.846914][  T320]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   25.846918][  T320]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   25.846925][  T320]  load_module (kernel/module/main.c:3593)
[   25.846934][  T320]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   25.846941][  T320]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   25.846946][  T320]  ? __ia32_sys_fsconfig (??:?)
[   25.846952][  T320]  ? backing_file_read_iter (fs/backing-file.c:211)
[   25.846957][  T320]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.846963][  T320]  init_module_from_file (kernel/module/main.c:3790)
[   25.846968][  T320]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   25.846981][  T320]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.846987][  T320]  ? 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)
[   25.846993][  T320]  idempotent_init_module (kernel/module/main.c:3802)
[   25.846997][  T320]  ? init_module_from_file (kernel/module/main.c:3791)
[   25.847007][  T320]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   25.847011][  T320]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   25.847020][  T320]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   25.847022][  T320]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.847030][  T320]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.847034][  T320]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.847039][  T320]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.847042][  T320] RIP: 0033:0x7f22e164737d
[   25.847048][  T320] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.847050][  T320] RSP: 002b:00007ffd3b143888 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   25.847054][  T320] RAX: ffffffffffffffda RBX: 00005590e4050810 RCX: 00007f22e164737d
[   25.847056][  T320] RDX: 0000000000000000 RSI: 00005590ac323ffd RDI: 0000000000000000
[   25.847058][  T320] RBP: 00007ffd3b143920 R08: 0000000000000000 R09: 0000000000000000
[   25.847059][  T320] R10: 0000000000000000 R11: 0000000000000246 R12: 00005590ac323ffd
[   25.847060][  T320] R13: 00005590e4050960 R14: 0000000000040000 R15: 0000000000000000
| [   42.024875][  T394] softirqs last disabled at (18232): neigh_forced_gc (./include/linux/spinlock.h:353 net/core/neighbour.c:265)
| [   42.024877][  T394] Preemption disabled at:
| [   42.024878][  T394] vprintk_emit (kernel/printk/printk.c:2471)
| [   42.024886][  T394] Tainted: [W]=WARN
[   42.024887][  T394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.024889][  T394] Call Trace:
[   42.024890][  T394]  <TASK>
[   42.024892][  T394]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   42.024898][  T394]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   42.024900][  T394]  __might_resched.cold (kernel/sched/core.c:9234)
[   42.024904][  T394]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   42.024909][  T394]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   42.024913][  T394]  __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))
[   42.024915][  T394]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.024921][  T394]  ? 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)
[   42.024924][  T394]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.024928][  T394]  put_chars (drivers/char/virtio_console.c:1176)
[   42.024931][  T394]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   42.024934][  T394]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   42.024939][  T394]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   42.024943][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.024948][  T394]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   42.024951][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.024956][  T394]  console_emit_next_record (kernel/printk/printk.c:3183)
[   42.024960][  T394]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   42.024962][  T394]  ? 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))
[   42.024965][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.024967][  T394]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.024971][  T394]  console_flush_one_record (kernel/printk/printk.c:3268)
[   42.024975][  T394]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   42.024977][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.024983][  T394]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   42.024986][  T394]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   42.024987][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.024989][  T394]  ? 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)
[   42.024993][  T394]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   42.024995][  T394]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   42.024997][  T394]  vprintk_emit (kernel/printk/printk.c:2479)
[   42.025000][  T394]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   42.025003][  T394]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.025007][  T394]  _printk (kernel/printk/printk.c:2504)
[   42.025011][  T394]  ? snapshot_read.cold (user.c:?)
[   42.025013][  T394]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   42.025019][  T394]  ? idr_get_free (??:?)
[   42.025020][  T394]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.025027][  T394]  neigh_alloc.cold (net/core/neighbour.c:510 (discriminator 3))
[   42.025032][  T394]  ___neigh_create (net/core/neighbour.c:652)
[   42.025037][  T394]  neigh_add (net/core/neighbour.c:2129)
[   42.025040][  T394]  ? __mutex_lock (kernel/locking/mutex.c:112 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   42.025043][  T394]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[   42.025045][  T394]  ? pneigh_create (./include/linux/netdevice.h:4505 (discriminator 31))
[   42.025057][  T394]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[   42.025060][  T394]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.025061][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.025066][  T394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.025068][  T394]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.025071][  T394]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   42.025075][  T394]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.025078][  T394]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.025084][  T394]  ? 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))
[   42.025086][  T394]  ? 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))
[   42.025091][  T394]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.025095][  T394]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.025097][  T394]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   42.025099][  T394]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   42.025101][  T394]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   42.025106][  T394]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   42.025110][  T394]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   42.025113][  T394]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.025115][  T394]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   42.025121][  T394]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   42.025125][  T394]  ____sys_sendmsg (net/socket.c:2713)
[   42.025127][  T394]  ? copy_msghdr_from_user (net/socket.c:2650)
[   42.025130][  T394]  ? sock_write_iter (net/socket.c:1269)
[   42.025131][  T394]  ? move_addr_to_kernel (net/socket.c:258)
[   42.025139][  T394]  ___sys_sendmsg (net/socket.c:2767)
[   42.025141][  T394]  ? copy_msghdr_from_user (net/socket.c:2619)
[   42.025143][  T394]  ? kfree (mm/slub.c:6778 (discriminator 1))
[   42.025158][  T394]  __sys_sendmsg (net/socket.c:2799)
[   42.025161][  T394]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   42.025167][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.025168][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.025171][  T394]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   42.025174][  T394]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   42.025177][  T394]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.025179][  T394] RIP: 0033:0x7f2d16dc854e
[   42.025183][  T394] 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
[   42.025185][  T394] RSP: 002b:00007fff7d191360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.025187][  T394] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2d16dc854e
[   42.025189][  T394] RDX: 0000000000000000 RSI: 00007fff7d191410 RDI: 0000000000000005
[   42.025189][  T394] RBP: 00007fff7d191370 R08: 0000000000000000 R09: 0000000000000000
[   42.025190][  T394] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9115a4
[   42.025191][  T394] R13: 00000000004a1620 R14: 0000000000000000 R15: 0000000000000000
| [   42.497593][    C0]
| [   42.497594][    C0]
| [   42.497594][    C0] stack backtrace:
| [   42.497600][    C0] Tainted: [W]=WARN
[   42.497601][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.497602][    C0] Call Trace:
[   42.497604][    C0]  <IRQ>
[   42.497605][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   42.497610][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   42.497612][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   42.497614][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   42.497617][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   42.497619][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   42.497620][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   42.497623][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.497624][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   42.497626][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.497628][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.497630][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   42.497632][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   42.497633][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   42.497636][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   42.497637][    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))
[   42.497640][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.497641][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.497643][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   42.497645][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   42.497647][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.497649][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   42.497651][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   42.497653][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.497654][    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)
[   42.497656][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   42.497658][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   42.497659][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   42.497661][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   42.497662][    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))
[   42.497664][    C0]  _printk (kernel/printk/printk.c:2504)
[   42.497666][    C0]  ? snapshot_read.cold (user.c:?)
[   42.497668][    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))
[   42.497670][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.497672][    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))
[   42.497673][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   42.497675][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   42.497677][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   42.497679][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   42.497680][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   42.497683][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.497685][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.497687][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.497688][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   42.497690][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   42.497692][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   42.497694][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.497697][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   42.497700][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   42.497702][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   42.497704][    C0]  ? handle_softirqs (./arch/x86/include/asm/bitops.h:312 kernel/softirq.c:633)
[   42.497705][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.497706][    C0]  handle_softirqs (kernel/softirq.c:645)
[   42.497708][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.497710][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   42.497712][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   42.497713][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   42.497715][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   42.497716][    C0]  </IRQ>
[   42.497717][    C0]  <TASK>
[   42.497718][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   42.497719][    C0] RIP: 0010:__rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 7) kernel/rcu/tree_plugin.h:414 (discriminator 7))
[   42.497722][    C0] Code: 48 8d b8 84 04 00 00 48 89 f9 48 c1 e9 03 0f b6 0c 11 48 89 fa 83 e2 07 83 c2 03 38 ca 7c 04 84 c9 75 19 83 80 84 04 00 00 01 <81> b8 84 04 00 00 ff ff ff 3f 7f 01 c3 90 0f 0b 90 c3 e8 54 d0 7e
All code
========
   0:	48 8d b8 84 04 00 00 	lea    0x484(%rax),%rdi
   7:	48 89 f9             	mov    %rdi,%rcx
   a:	48 c1 e9 03          	shr    $0x3,%rcx
   e:	0f b6 0c 11          	movzbl (%rcx,%rdx,1),%ecx
  12:	48 89 fa             	mov    %rdi,%rdx
  15:	83 e2 07             	and    $0x7,%edx
  18:	83 c2 03             	add    $0x3,%edx
  1b:	38 ca                	cmp    %cl,%dl
  1d:	7c 04                	jl     0x23
  1f:	84 c9                	test   %cl,%cl
  21:	75 19                	jne    0x3c
  23:	83 80 84 04 00 00 01 	addl   $0x1,0x484(%rax)
  2a:*	81 b8 84 04 00 00 ff 	cmpl   $0x3fffffff,0x484(%rax)		<-- trapping instruction
  31:	ff ff 3f 
  34:	7f 01                	jg     0x37
  36:	c3                   	ret
  37:	90                   	nop
  38:	0f 0b                	ud2
  3a:	90                   	nop
  3b:	c3                   	ret
  3c:	e8                   	.byte 0xe8
  3d:	54                   	push   %rsp
  3e:	d0                   	.byte 0xd0
  3f:	7e                   	.byte 0x7e

Code starting with the faulting instruction
===========================================
   0:	81 b8 84 04 00 00 ff 	cmpl   $0x3fffffff,0x484(%rax)
   7:	ff ff 3f 
   a:	7f 01                	jg     0xd
   c:	c3                   	ret
   d:	90                   	nop
   e:	0f 0b                	ud2
  10:	90                   	nop
  11:	c3                   	ret
  12:	e8                   	.byte 0xe8
  13:	54                   	push   %rsp
  14:	d0                   	.byte 0xd0
  15:	7e                   	.byte 0x7e
[   42.497724][    C0] RSP: 0018:ffa0000001a57898 EFLAGS: 00000202
[   42.497726][    C0] RAX: ff1100001066a3c0 RBX: 1ff400000034af1d RCX: 0000000000000000
[   42.497727][    C0] RDX: 0000000000000007 RSI: ff1100001066a3c0 RDI: ff1100001066a844
[   42.497728][    C0] RBP: 0000000000000001 R08: ffa0000001a57a18 R09: ffa0000001a579f0
[   42.497729][    C0] R10: fff3fc000034af4c R11: fff3fc000034af4c R12: ffa0000001a57a48
[   42.497729][    C0] R13: ffa0000001a579f0 R14: ffa0000001a57a38 R15: ffa0000001a579f0
[   42.497732][    C0]  unwind_next_frame (./include/linux/rcupdate.h:847 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   42.497733][    C0]  ? __unwind_start (arch/x86/kernel/unwind_orc.c:741)
[   42.497735][    C0]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[   42.497737][    C0]  ? get_stack_info_noinstr (arch/x86/kernel/dumpstack_64.c:173)
[   42.497739][    C0]  __unwind_start (arch/x86/kernel/unwind_orc.c:787)
[   42.497740][    C0]  ? write_profile (profile.c:?)
[   42.497742][    C0]  arch_stack_walk (./arch/x86/include/asm/unwind.h:64 arch/x86/kernel/stacktrace.c:24)
[   42.497744][    C0]  ? __unwind_start (arch/x86/kernel/unwind_orc.c:741)
[   42.497746][    C0]  stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   42.497747][    C0]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   42.497749][    C0]  kasan_save_stack (mm/kasan/common.c:57)
[   42.497754][    C0]  kasan_record_aux_stack (mm/kasan/generic.c:556)
[   42.497756][    C0]  ? __remove_object (mm/kmemleak.c:630)
[   42.497758][    C0]  __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3181)
[   42.497759][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   42.497761][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   42.497763][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   42.497765][    C0]  free_percpu.part.0 (mm/percpu.c:2251)
[   42.497767][    C0]  __mmdrop (./include/linux/mm_types.h:1646 kernel/fork.c:733)
[   42.497768][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.497770][    C0]  finish_task_switch.isra.0 (./include/linux/sched/mm.h:55 ./include/linux/sched/mm.h:83 ./include/linux/sched/mm.h:110 kernel/sched/core.c:5402)
[   42.497772][    C0]  schedule_tail (kernel/sched/core.c:5442)
[   42.497773][    C0]  ret_from_fork (arch/x86/kernel/process.c:154)
[   42.497775][    C0]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   42.497777][    C0]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   42.497780][    C0]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  101.687665][  T715] softirqs last disabled at (0): 0x0
| [  101.687667][  T715] Preemption disabled at:
| [  101.687667][  T715] vprintk_emit (kernel/printk/printk.c:2471)
| [  101.687678][  T715] Tainted: [W]=WARN
[  101.687679][  T715] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.687680][  T715] Call Trace:
[  101.687682][  T715]  <TASK>
[  101.687683][  T715]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  101.687689][  T715]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  101.687690][  T715]  __might_resched.cold (kernel/sched/core.c:9234)
[  101.687694][  T715]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  101.687696][  T715]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  101.687699][  T715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.687702][  T715]  __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))
[  101.687705][  T715]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  101.687708][  T715]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  101.687713][  T715]  ? 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)
[  101.687715][  T715]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  101.687717][  T715]  put_chars (drivers/char/virtio_console.c:1176)
[  101.687719][  T715]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  101.687721][  T715]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  101.687723][  T715]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  101.687728][  T715]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  101.687730][  T715]  ? vsnprintf (lib/vsprintf.c:2900)
[  101.687733][  T715]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  101.687734][  T715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.687735][  T715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.687737][  T715]  console_emit_next_record (kernel/printk/printk.c:3183)
[  101.687740][  T715]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  101.687742][  T715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.687743][  T715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.687744][  T715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.687745][  T715]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  101.687747][  T715]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  101.687749][  T715]  console_flush_one_record (kernel/printk/printk.c:3268)
[  101.687752][  T715]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  101.687754][  T715]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  101.687756][  T715]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  101.687758][  T715]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  101.687759][  T715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.687760][  T715]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  101.687762][  T715]  ? 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)
[  101.687763][  T715]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  101.687765][  T715]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  101.687767][  T715]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  101.687768][  T715]  vprintk_emit (kernel/printk/printk.c:2479)
[  101.687770][  T715]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  101.687771][  T715]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  101.687773][  T715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.687774][  T715]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  101.687776][  T715]  _printk (kernel/printk/printk.c:2504)
[  101.687779][  T715]  ? snapshot_read.cold (user.c:?)
[  101.687780][  T715]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  101.687783][  T715]  ? write_profile (profile.c:?)
[  101.687786][  T715]  ? idr_get_free (??:?)
[  101.687792][  T715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.687794][  T715]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  101.687797][  T715]  neigh_alloc.cold (net/core/neighbour.c:510 (discriminator 3))
[  101.687801][  T715]  ___neigh_create (net/core/neighbour.c:652)
[  101.687805][  T715]  ? __nla_validate_parse (lib/nlattr.c:649 (discriminator 2))
[  101.687809][  T715]  neigh_add (net/core/neighbour.c:2129)
[  101.687811][  T715]  ? __mutex_lock (kernel/locking/mutex.c:112 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  101.687813][  T715]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[  101.687815][  T715]  ? pneigh_create (./include/linux/netdevice.h:4505 (discriminator 31))
[  101.687817][  T715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.687819][  T715]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  101.687823][  T715]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  101.687825][  T715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.687827][  T715]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  101.687829][  T715]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.687830][  T715]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  101.687832][  T715]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  101.687834][  T715]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  101.687837][  T715]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.687838][  T715]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  101.687840][  T715]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.687842][  T715]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  101.687844][  T715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.687846][  T715]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  101.687848][  T715]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.687850][  T715]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.687851][  T715]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  101.687853][  T715]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  101.687854][  T715]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  101.687857][  T715]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  101.687859][  T715]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  101.687861][  T715]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  101.687863][  T715]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  101.687866][  T715]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  101.687869][  T715]  ____sys_sendmsg (net/socket.c:2713)
[  101.687871][  T715]  ? copy_msghdr_from_user (net/socket.c:2650)
[  101.687872][  T715]  ? sock_write_iter (net/socket.c:1269)
[  101.687874][  T715]  ? move_addr_to_kernel (net/socket.c:258)
[  101.687877][  T715]  ___sys_sendmsg (net/socket.c:2767)
[  101.687879][  T715]  ? copy_msghdr_from_user (net/socket.c:2619)
[  101.687880][  T715]  ? kfree (mm/slub.c:6778 (discriminator 1))
[  101.687884][  T715]  __sys_sendmsg (net/socket.c:2799)
[  101.687887][  T715]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  101.687889][  T715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.687890][  T715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.687892][  T715]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  101.687894][  T715]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  101.687896][  T715]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.687898][  T715] RIP: 0033:0x7f7b72f1754e
[  101.687901][  T715] 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
[  101.687902][  T715] RSP: 002b:00007fffae876690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.687906][  T715] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7b72f1754e
[  101.687907][  T715] RDX: 0000000000000000 RSI: 00007fffae876740 RDI: 0000000000000005
[  101.687908][  T715] RBP: 00007fffae8766a0 R08: 0000000000000000 R09: 0000000000000000
[  101.687909][  T715] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9115e0


Finger prints:
netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
neigh_forced_gc:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
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
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars