======================================
| # 134.87 [+0.00] [    9.896271] ip (168) used greatest stack depth: 23728 bytes left
| # 134.88 [+0.00] [   28.320133] GACT probability NOT on
| # 134.88 [+0.00] [   33.056197] Mirror/redirect action on
| # 134.88 [+0.00] [  143.173120] irq 51: nobody cared (try booting with the "irqpoll" option)
# 134.89 [+0.00] [  143.173884] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 134.89 [+0.00] [  143.173886] Call Trace:
# 134.89 [+0.00] [  143.173890]  <IRQ>
# 134.89 [+0.00] [  143.173893]  dump_stack_lvl (lib/dump_stack.c:123)
# 134.89 [+0.00] [  143.173932]  __report_bad_irq (kernel/irq/spurious.c:170)
# 134.89 [+0.00] [  143.173950]  note_interrupt (kernel/irq/spurious.c:372)
# 134.89 [+0.00] [  143.173958]  handle_irq_event (kernel/irq/handle.c:245 kernel/irq/handle.c:257)
# 134.90 [+0.00] [  143.173964]  handle_edge_irq (kernel/irq/chip.c:857)
# 134.90 [+0.00] [  143.173976]  __common_interrupt (./include/asm-generic/irq_regs.h:28 arch/x86/kernel/irq.c:328)
# 134.90 [+0.00] [  143.173994]  common_interrupt (arch/x86/kernel/irq.c:318 (discriminator 14))
# 134.90 [+0.00] [  143.174000]  </IRQ>
# 134.90 [+0.00] [  143.174001]  <TASK>
# 134.90 [+0.00] [  143.174005]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
# 134.90 [+0.00] [  143.174014] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
# 134.91 [+0.00] [  143.174030] Code: 74 24 10 e8 51 2a ff fd 48 89 ef e8 79 79 ff fd 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 <e8> 0a b2 f3 fd 65 8b 05 b3 8b 07 02 85 c0 74 0a 5b 5d c3 e8 87 3e
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	51                   	push   %rcx
   5:	2a ff                	sub    %bh,%bh
   7:	fd                   	std
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 79 79 ff fd       	call   0xfffffffffdff7989
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 25                	jne    0x3d
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 2d                	jne    0x4c
  1f:	48 85 db             	test   %rbx,%rbx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 0a b2 f3 fd       	call   0xfffffffffdf3b239		<-- trapping instruction
  2f:	65 8b 05 b3 8b 07 02 	mov    %gs:0x2078bb3(%rip),%eax        # 0x2078be9
  36:	85 c0                	test   %eax,%eax
  38:	74 0a                	je     0x44
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	c3                   	ret
  3d:	e8                   	.byte 0xe8
  3e:	87 3e                	xchg   %edi,(%rsi)

Code starting with the faulting instruction
===========================================
   0:	e8 0a b2 f3 fd       	call   0xfffffffffdf3b20f
   5:	65 8b 05 b3 8b 07 02 	mov    %gs:0x2078bb3(%rip),%eax        # 0x2078bbf
   c:	85 c0                	test   %eax,%eax
   e:	74 0a                	je     0x1a
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	c3                   	ret
  13:	e8                   	.byte 0xe8
  14:	87 3e                	xchg   %edi,(%rsi)
# 134.91 [+0.01] [  143.174035] RSP: 0018:ffffc90000ab7a88 EFLAGS: 00000206
# 134.91 [+0.00] [  143.174040] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 0000000000000040
# 134.92 [+0.00] [  143.174042] RDX: 0000000000000000 RSI: ffffffff87b86a11 RDI: 0000000000000001
# 134.92 [+0.00] [  143.174044] RBP: ffffffff8a46e560 R08: 0000000000000001 R09: 0000000000000001
# 134.92 [+0.00] [  143.174046] R10: ffffffff88a24157 R11: ffff8880058a8970 R12: 00000000ffffffff
# 134.92 [+0.00] [  143.174047] R13: 0000000000000001 R14: ffffffff8a46e668 R15: 00000000ffffffff
# 134.93 [+0.00] [  143.174065]  uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:92 drivers/tty/serial/serial_core.c:88 drivers/tty/serial/serial_core.c:634)
# 134.93 [+0.00] [  143.174082]  process_output_block (drivers/tty/n_tty.c:561)
# 134.93 [+0.00] [  143.174095]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194)
# 134.93 [+0.00] [  143.174102]  n_tty_write (drivers/tty/n_tty.c:2378)
# 134.93 [+0.00] [  143.174105]  ? _copy_from_iter (./arch/x86/include/asm/uaccess_64.h:126 ./arch/x86/include/asm/uaccess_64.h:141 lib/iov_iter.c:55 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:249 lib/iov_iter.c:260)
# 134.93 [+0.00] [  143.174122]  ? n_tty_receive_signal_char (drivers/tty/n_tty.c:2348)
# 134.94 [+0.00] [  143.174129]  ? __init_waitqueue_head (kernel/sched/wait.c:458)
# 134.94 [+0.00] [  143.174139]  ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831)
# 134.94 [+0.00] [  143.174145]  ? iterate_tty_write (drivers/tty/tty_io.c:939 drivers/tty/tty_io.c:958)
# 134.94 [+0.00] [  143.174156]  iterate_tty_write (drivers/tty/tty_io.c:1007)
# 134.95 [+0.01] [  143.174162]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
# 134.95 [+0.00] [  143.174170]  file_tty_write.constprop.0 (drivers/tty/tty_io.c:1081)
# 134.95 [+0.00] [  143.174177]  vfs_write (fs/read_write.c:594 fs/read_write.c:686)
# 134.96 [+0.00] [  143.174189]  ? find_held_lock (kernel/locking/lockdep.c:5350)
# 134.96 [+0.00] [  143.174193]  ? kernel_write (fs/read_write.c:667)
# 134.96 [+0.00] [  143.174201]  ? clockevents_program_event (kernel/time/clockevents.c:326)
# 134.96 [+0.00] [  143.174219]  ? clockevents_program_event (kernel/time/clockevents.c:336 (discriminator 3))
# 134.96 [+0.00] [  143.174227]  ksys_write (fs/read_write.c:738)
# 134.96 [+0.00] [  143.174232]  ? __ia32_sys_read (fs/read_write.c:728)
# 134.97 [+0.00] [  143.174243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
# 134.97 [+0.00] [  143.174249]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
# 134.97 [+0.00] [  143.174252] RIP: 0033:0x7f499173f257
# 134.97 [+0.00] [  143.174259] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0f 00                	(bad)
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
# 134.98 [+0.01] [  143.174261] RSP: 002b:00007ffec4a634a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 134.98 [+0.00] [  143.174265] RAX: ffffffffffffffda RBX: 000056269b9152e0 RCX: 00007f499173f257
# 134.98 [+0.00] [  143.174267] RDX: 0000000000000001 RSI: 000056269b9152e0 RDI: 0000000000000001
# 134.98 [+0.00] [  143.174268] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 134.99 [+0.00] [  143.174270] R10: 0000000000000001 R11: 0000000000000246 R12: 000056269b900600
# 134.99 [+0.00] [  143.174271] R13: 000056269b8e12a0 R14: 0000000000000001 R15: 000056269b900600
| 0
| xx__-> [   28.320133][  T347] GACT probability NOT on
| [   33.056197][  T418] Mirror/redirect action on
| [  143.173120][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  143.173884][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  143.173886][    C0] Call Trace:
[  143.173890][    C0]  <IRQ>
[  143.173893][    C0]  dump_stack_lvl (lib/dump_stack.c:123)
[  143.173932][    C0]  __report_bad_irq (kernel/irq/spurious.c:170)
[  143.173950][    C0]  note_interrupt (kernel/irq/spurious.c:372)
[  143.173958][    C0]  handle_irq_event (kernel/irq/handle.c:245 kernel/irq/handle.c:257)
[  143.173964][    C0]  handle_edge_irq (kernel/irq/chip.c:857)
[  143.173976][    C0]  __common_interrupt (./include/asm-generic/irq_regs.h:28 arch/x86/kernel/irq.c:328)
[  143.173994][    C0]  common_interrupt (arch/x86/kernel/irq.c:318 (discriminator 14))
[  143.174000][    C0]  </IRQ>
[  143.174001][    C0]  <TASK>
[  143.174005][    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
[  143.174014][    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
[  143.174030][    C0] Code: 74 24 10 e8 51 2a ff fd 48 89 ef e8 79 79 ff fd 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 <e8> 0a b2 f3 fd 65 8b 05 b3 8b 07 02 85 c0 74 0a 5b 5d c3 e8 87 3e
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	51                   	push   %rcx
   5:	2a ff                	sub    %bh,%bh
   7:	fd                   	std
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 79 79 ff fd       	call   0xfffffffffdff7989
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 25                	jne    0x3d
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 2d                	jne    0x4c
  1f:	48 85 db             	test   %rbx,%rbx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 0a b2 f3 fd       	call   0xfffffffffdf3b239		<-- trapping instruction
  2f:	65 8b 05 b3 8b 07 02 	mov    %gs:0x2078bb3(%rip),%eax        # 0x2078be9
  36:	85 c0                	test   %eax,%eax
  38:	74 0a                	je     0x44
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	c3                   	ret
  3d:	e8                   	.byte 0xe8
  3e:	87 3e                	xchg   %edi,(%rsi)

Code starting with the faulting instruction
===========================================
   0:	e8 0a b2 f3 fd       	call   0xfffffffffdf3b20f
   5:	65 8b 05 b3 8b 07 02 	mov    %gs:0x2078bb3(%rip),%eax        # 0x2078bbf
   c:	85 c0                	test   %eax,%eax
   e:	74 0a                	je     0x1a
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	c3                   	ret
  13:	e8                   	.byte 0xe8
  14:	87 3e                	xchg   %edi,(%rsi)
[  143.174035][    C0] RSP: 0018:ffffc90000ab7a88 EFLAGS: 00000206
[  143.174040][    C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 0000000000000040
[  143.174042][    C0] RDX: 0000000000000000 RSI: ffffffff87b86a11 RDI: 0000000000000001
[  143.174044][    C0] RBP: ffffffff8a46e560 R08: 0000000000000001 R09: 0000000000000001
[  143.174046][    C0] R10: ffffffff88a24157 R11: ffff8880058a8970 R12: 00000000ffffffff
[  143.174047][    C0] R13: 0000000000000001 R14: ffffffff8a46e668 R15: 00000000ffffffff
[  143.174065][    C0]  uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:92 drivers/tty/serial/serial_core.c:88 drivers/tty/serial/serial_core.c:634)
[  143.174082][    C0]  process_output_block (drivers/tty/n_tty.c:561)
[  143.174095][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194)
[  143.174102][    C0]  n_tty_write (drivers/tty/n_tty.c:2378)
[  143.174105][    C0]  ? _copy_from_iter (./arch/x86/include/asm/uaccess_64.h:126 ./arch/x86/include/asm/uaccess_64.h:141 lib/iov_iter.c:55 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:249 lib/iov_iter.c:260)
[  143.174122][    C0]  ? n_tty_receive_signal_char (drivers/tty/n_tty.c:2348)
[  143.174129][    C0]  ? __init_waitqueue_head (kernel/sched/wait.c:458)
[  143.174139][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831)
[  143.174145][    C0]  ? iterate_tty_write (drivers/tty/tty_io.c:939 drivers/tty/tty_io.c:958)
[  143.174156][    C0]  iterate_tty_write (drivers/tty/tty_io.c:1007)
[  143.174162][    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
[  143.174170][    C0]  file_tty_write.constprop.0 (drivers/tty/tty_io.c:1081)
[  143.174177][    C0]  vfs_write (fs/read_write.c:594 fs/read_write.c:686)
[  143.174189][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  143.174193][    C0]  ? kernel_write (fs/read_write.c:667)
[  143.174201][    C0]  ? clockevents_program_event (kernel/time/clockevents.c:326)
[  143.174219][    C0]  ? clockevents_program_event (kernel/time/clockevents.c:336 (discriminator 3))
[  143.174227][    C0]  ksys_write (fs/read_write.c:738)
[  143.174232][    C0]  ? __ia32_sys_read (fs/read_write.c:728)
[  143.174243][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  143.174249][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  143.174252][    C0] RIP: 0033:0x7f499173f257
[  143.174259][    C0] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0f 00                	(bad)
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[  143.174261][    C0] RSP: 002b:00007ffec4a634a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  143.174265][    C0] RAX: ffffffffffffffda RBX: 000056269b9152e0 RCX: 00007f499173f257
[  143.174267][    C0] RDX: 0000000000000001 RSI: 000056269b9152e0 RDI: 0000000000000001
[  143.174268][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  143.174270][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000056269b900600
[  143.174271][    C0] R13: 000056269b8e12a0 R14: 0000000000000001 R15: 000056269b900600
| [  148.514990][  T694] ==================================================================
| [  148.515325][  T694] BUG: KASAN: slab-use-after-free in kobject_put (lib/kobject.c:733)
| [  148.515614][  T694] Read of size 1 at addr ffff88800bbfc6ac by task ip/694
| [  148.515854][  T694]
[  148.515977][  T694] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  148.515979][  T694] Call Trace:
[  148.515981][  T694]  <TASK>
[  148.515983][  T694]  dump_stack_lvl (lib/dump_stack.c:123)
[  148.515991][  T694]  print_address_description.constprop.0 (mm/kasan/report.c:379)
[  148.516002][  T694]  ? kobject_put (lib/kobject.c:733)
[  148.516006][  T694]  print_report (mm/kasan/report.c:483)
[  148.516009][  T694]  ? kobject_put (lib/kobject.c:733)
[  148.516012][  T694]  ? kasan_addr_to_slab (./include/linux/mm.h:1245 mm/kasan/../slab.h:191 mm/kasan/common.c:47)
[  148.516015][  T694]  ? kobject_put (lib/kobject.c:733)
[  148.516018][  T694]  kasan_report (mm/kasan/report.c:597)
[  148.516022][  T694]  ? kobject_put (lib/kobject.c:733)
[  148.516027][  T694]  kobject_put (lib/kobject.c:733)
[  148.516031][  T694]  netdev_run_todo (./include/linux/list.h:381 net/core/dev.c:11670)
[  148.516040][  T694]  ? dev_ingress_queue_create (net/core/dev.c:12299)
[  148.516043][  T694]  ? generic_xdp_install (net/core/dev.c:11630)
[  148.516048][  T694]  ? vrf_dellink (drivers/net/vrf.c:1667) vrf
[  148.516055][  T694]  ? vrf_map_unregister_dev (drivers/net/vrf.c:1667) vrf
[  148.516060][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  148.516069][  T694]  rtnl_dellink (net/core/rtnetlink.c:3580)
[  148.516075][  T694]  ? valid_bridge_getlink_req.constprop.0 (net/core/rtnetlink.c:3536)
[  148.516094][  T694]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  148.516098][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  148.516105][  T694]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  148.516108][  T694]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[  148.516111][  T694]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  148.516116][  T694]  ? valid_bridge_getlink_req.constprop.0 (net/core/rtnetlink.c:3536)
[  148.516119][  T694]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[  148.516122][  T694]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  148.516125][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  148.516134][  T694]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[  148.516140][  T694]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  148.516144][  T694]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[  148.516150][  T694]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[  148.516153][  T694]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333)
[  148.516157][  T694]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[  148.516162][  T694]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[  148.516165][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  148.516171][  T694]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[  148.516175][  T694]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  148.516179][  T694]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[  148.516187][  T694]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  148.516190][  T694]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[  148.516202][  T694]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[  148.516205][  T694]  ? __copy_msghdr (net/socket.c:2556)
[  148.516214][  T694]  ___sys_sendmsg (net/socket.c:2686)
[  148.516217][  T694]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[  148.516220][  T694]  ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3125)
[  148.516230][  T694]  ? copy_msghdr_from_user (net/socket.c:2673)
[  148.516235][  T694]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  148.516240][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  148.516246][  T694]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  148.516249][  T694]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[  148.516260][  T694]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  148.516267][  T694]  __sys_sendmsg (net/socket.c:2716)
[  148.516270][  T694]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[  148.516274][  T694]  ? __sys_sendmsg_sock (net/socket.c:2701)
[  148.516281][  T694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  148.516285][  T694]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  148.516291][  T694]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  148.516295][  T694] RIP: 0033:0x7efda6d621d7
[  148.516299][  T694] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  148.516302][  T694] RSP: 002b:00007fff11e6b278 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  148.516307][  T694] RAX: ffffffffffffffda RBX: 00007fff11e6b9a0 RCX: 00007efda6d621d7
[  148.516309][  T694] RDX: 0000000000000000 RSI: 00007fff11e6b2e0 RDI: 0000000000000005
[  148.516310][  T694] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[  148.516312][  T694] R10: 00007efda6c5ef60 R11: 0000000000000246 R12: 0000000000000002
[  148.516314][  T694] R13: 00000000690df584 R14: 0000000000499600 R15: 0000000000000000
| [  148.549689][  T694] refcount_t: underflow; use-after-free.
| [  148.550136][  T694] WARNING: CPU: 2 PID: 694 at lib/refcount.c:28 refcount_warn_saturate (lib/refcount.c:28 (discriminator 3))
| [  148.550648][  T694] Modules linked in: act_vlan act_skbedit act_ct nf_flow_table nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 cls_matchall act_mirred act_gact cls_flower sch_ingress vrf veth
| [  148.552256][  T694] Tainted: [B]=BAD_PAGE
[  148.552515][  T694] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  148.552946][  T694] RIP: 0010:refcount_warn_saturate (lib/refcount.c:28 (discriminator 3))
[  148.553384][  T694] Code: 7d 93 02 80 fb 01 0f 87 bb 99 d9 fe 83 e3 01 0f 85 51 ff ff ff c6 05 a8 7d 93 02 01 90 48 c7 c7 60 8d 65 87 e8 32 bf 18 ff 90 <0f> 0b 90 90 e9 33 ff ff ff 48 89 df e8 b0 63 a1 ff e9 ba fe ff ff
All code
========
   0:	7d 93                	jge    0xffffffffffffff95
   2:	02 80 fb 01 0f 87    	add    -0x78f0fe05(%rax),%al
   8:	bb 99 d9 fe 83       	mov    $0x83fed999,%ebx
   d:	e3 01                	jrcxz  0x10
   f:	0f 85 51 ff ff ff    	jne    0xffffffffffffff66
  15:	c6 05 a8 7d 93 02 01 	movb   $0x1,0x2937da8(%rip)        # 0x2937dc4
  1c:	90                   	nop
  1d:	48 c7 c7 60 8d 65 87 	mov    $0xffffffff87658d60,%rdi
  24:	e8 32 bf 18 ff       	call   0xffffffffff18bf5b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	90                   	nop
  2e:	e9 33 ff ff ff       	jmp    0xffffffffffffff66
  33:	48 89 df             	mov    %rbx,%rdi
  36:	e8 b0 63 a1 ff       	call   0xffffffffffa163eb
  3b:	e9 ba fe ff ff       	jmp    0xfffffffffffffefa

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	90                   	nop
   4:	e9 33 ff ff ff       	jmp    0xffffffffffffff3c
   9:	48 89 df             	mov    %rbx,%rdi
   c:	e8 b0 63 a1 ff       	call   0xffffffffffa163c1
  11:	e9 ba fe ff ff       	jmp    0xfffffffffffffed0
[  148.554457][  T694] RSP: 0018:ffffc900005771f0 EFLAGS: 00010286
[  148.554821][  T694] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  148.555266][  T694] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[  148.555738][  T694] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff0ffe134
[  148.556215][  T694] R10: 0000000000000003 R11: ffffc90000576d80 R12: 0000000000000001
[  148.556682][  T694] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[  148.557170][  T694] FS:  00007efda6b94800(0000) GS:ffff8880acef2000(0000) knlGS:0000000000000000
[  148.557712][  T694] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  148.558117][  T694] CR2: 0000561ead3bedec CR3: 000000000bc91001 CR4: 0000000000772ef0
[  148.558596][  T694] PKRU: 55555554
[  148.558842][  T694] Call Trace:
[  148.559108][  T694]  <TASK>
[  148.559309][  T694]  netdev_run_todo (./include/linux/list.h:381 net/core/dev.c:11670)
[  148.559649][  T694]  ? dev_ingress_queue_create (net/core/dev.c:12299)
[  148.559978][  T694]  ? generic_xdp_install (net/core/dev.c:11630)
[  148.560297][  T694]  ? vrf_dellink (drivers/net/vrf.c:1667) vrf
[  148.560635][  T694]  ? vrf_map_unregister_dev (drivers/net/vrf.c:1667) vrf
[  148.561037][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  148.561377][  T694]  rtnl_dellink (net/core/rtnetlink.c:3580)
[  148.561714][  T694]  ? valid_bridge_getlink_req.constprop.0 (net/core/rtnetlink.c:3536)
[  148.562134][  T694]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  148.562474][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  148.562838][  T694]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  148.563157][  T694]  ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956)
[  148.563464][  T694]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  148.563774][  T694]  ? valid_bridge_getlink_req.constprop.0 (net/core/rtnetlink.c:3536)
[  148.564154][  T694]  rtnetlink_rcv_msg (net/core/rtnetlink.c:6958)
[  148.564439][  T694]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  148.564740][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  148.565066][  T694]  netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[  148.565378][  T694]  ? rtnl_port_fill (net/core/rtnetlink.c:6861)
[  148.565685][  T694]  ? netlink_ack (net/netlink/af_netlink.c:2527)
[  148.566025][  T694]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340)
[  148.566333][  T694]  ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333)
[  148.566651][  T694]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344)
[  148.566969][  T694]  ? netlink_attachskb (net/netlink/af_netlink.c:1329)
[  148.567274][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  148.567593][  T694]  netlink_sendmsg (net/netlink/af_netlink.c:1894)
[  148.567906][  T694]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  148.568220][  T694]  ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361)
[  148.568529][  T694]  ? netlink_unicast (net/netlink/af_netlink.c:1813)
[  148.568841][  T694]  ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630)
[  148.569215][  T694]  ? get_timestamp.constprop.0 (net/socket.c:2576)
[  148.569599][  T694]  ? __copy_msghdr (net/socket.c:2556)
[  148.569943][  T694]  ___sys_sendmsg (net/socket.c:2686)
[  148.570269][  T694]  ? kasan_record_aux_stack (mm/kasan/generic.c:559)
[  148.570757][  T694]  ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3125)
[  148.571164][  T694]  ? copy_msghdr_from_user (net/socket.c:2673)
[  148.571495][  T694]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  148.571818][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  148.572155][  T694]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  148.572670][  T694]  ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65)
[  148.573026][  T694]  ? __lock_release (kernel/locking/lockdep.c:5536)
[  148.573344][  T694]  __sys_sendmsg (net/socket.c:2716)
[  148.573664][  T694]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148)
[  148.574069][  T694]  ? __sys_sendmsg_sock (net/socket.c:2701)
[  148.574411][  T694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751)
[  148.574935][  T694]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  148.575267][  T694]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  148.575658][  T694] RIP: 0033:0x7efda6d621d7
[  148.576012][  T694] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  148.576693][  T694] RSP: 002b:00007fff11e6b278 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  148.577035][  T694] RAX: ffffffffffffffda RBX: 00007fff11e6b9a0 RCX: 00007efda6d621d7
[  148.577329][  T694] RDX: 0000000000000000 RSI: 00007fff11e6b2e0 RDI: 0000000000000005
[  148.577629][  T694] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[  148.577946][  T694] R10: 00007efda6c5ef60 R11: 0000000000000246 R12: 0000000000000002


Finger prints:
__report_bad_irq:note_interrupt:handle_irq_event:handle_edge_irq:__common_interrupt
print_report:kasan_report:kobject_put:netdev_run_todo:rtnl_dellink
refcount_warn_saturate:netdev_run_todo:rtnl_dellink:rtnetlink_rcv_msg:netlink_rcv_skb