======================================
|
| WAIT TIMEOUT stdout
| [   15.833669][  T223] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] SMP KASAN
| [   15.834248][  T223] KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]
[   15.835155][  T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.835526][  T223] RIP: 0010:__flush_work (kernel/workqueue.c:4234)
[   15.835798][  T223] Code: 31 c0 80 fb 01 0f 87 66 2d b6 ff 83 e3 01 0f 84 eb 00 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7c 24 18 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 e7 00 00 00 49 83 7c 24 18 00 0f 84 c5 00 00 00
All code
========
   0:	31 c0                	xor    %eax,%eax
   2:	80 fb 01             	cmp    $0x1,%bl
   5:	0f 87 66 2d b6 ff    	ja     0xffffffffffb62d71
   b:	83 e3 01             	and    $0x1,%ebx
   e:	0f 84 eb 00 00 00    	je     0xff
  14:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  1b:	fc ff df 
  1e:	49 8d 7c 24 18       	lea    0x18(%r12),%rdi
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
  2a:*	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)		<-- trapping instruction
  2e:	0f 85 e7 00 00 00    	jne    0x11b
  34:	49 83 7c 24 18 00    	cmpq   $0x0,0x18(%r12)
  3a:	0f 84 c5 00 00 00    	je     0x105

Code starting with the faulting instruction
===========================================
   0:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   4:	0f 85 e7 00 00 00    	jne    0xf1
   a:	49 83 7c 24 18 00    	cmpq   $0x0,0x18(%r12)
  10:	0f 84 c5 00 00 00    	je     0xdb
[   15.836723][  T223] RSP: 0018:ffffc90000a67ab8 EFLAGS: 00010206
[   15.837063][  T223] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000001
[   15.837469][  T223] RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000018
[   15.837865][  T223] RBP: 1ffff9200014cf57 R08: 0000000000000001 R09: fffff5200014cf52
[   15.838268][  T223] R10: ffffc90000a67a97 R11: ffffc90000a677f8 R12: 0000000000000000
[   15.838663][  T223] R13: 0000000000000000 R14: dffffc0000000000 R15: ffff88800576d0f0
[   15.839061][  T223] FS:  00007f3576750000(0000) GS:ffff888086825000(0000) knlGS:0000000000000000
[   15.839540][  T223] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.839877][  T223] CR2: 000055ffe3af24c8 CR3: 000000000911d005 CR4: 0000000000772ef0
[   15.840277][  T223] PKRU: 55555554
[   15.840476][  T223] Call Trace:
[   15.840679][  T223]  <TASK>
[   15.840813][  T223]  ? start_flush_work (kernel/workqueue.c:4228)
[   15.841086][  T223]  ? __rtnl_unlock (net/core/rtnetlink.c:145 (discriminator 3))
[   15.841361][  T223]  ? netdev_run_todo (./include/linux/list.h:381 net/core/dev.c:11853)
[   15.841638][  T223]  virtnet_remove (drivers/net/virtio_net.c:6258 drivers/net/virtio_net.c:7201)
[   15.841901][  T223]  virtio_dev_remove (drivers/virtio/virtio.c:378)
[   15.842170][  T223]  device_release_driver_internal (drivers/base/dd.c:1276 drivers/base/dd.c:1297)
[   15.842521][  T223]  ? sysfs_file_ops (fs/sysfs/file.c:135)
[   15.842801][  T223]  unbind_store (drivers/base/bus.c:245)
[   15.843026][  T223]  kernfs_fop_write_iter (fs/kernfs/file.c:88 fs/kernfs/file.c:356)
[   15.843286][  T223]  vfs_write (fs/read_write.c:594 fs/read_write.c:686)
[   15.843476][  T223]  ? kernel_write (fs/read_write.c:667)
[   15.843730][  T223]  ? lock_vma_under_rcu (mm/mmap_lock.c:259)
[   15.843993][  T223]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.844244][  T223]  ksys_write (fs/read_write.c:738)
[   15.844379][  T223]  ? __ia32_sys_read (fs/read_write.c:728)
[   15.844542][  T223]  ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:143 ./include/linux/mmap_lock.h:182 arch/x86/mm/fault.c:1338)
[   15.844709][  T223]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.844873][  T223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   15.845074][  T223] RIP: 0033:0x7f3576850257
[   15.845245][  T223] 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
[   15.845822][  T223] RSP: 002b:00007fffe8a8d008 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   15.846066][  T223] RAX: ffffffffffffffda RBX: 00007f357694c780 RCX: 00007f3576850257
[   15.846311][  T223] RDX: 0000000000000008 RSI: 000055ffe3af14c0 RDI: 0000000000000001
[   15.846558][  T223] RBP: 0000000000000008 R08: 0000000000000003 R09: 0000000000000077
[   15.846802][  T223] R10: 0000000000000063 R11: 0000000000000246 R12: 0000000000000008


Finger prints:
__flush_work:virtnet_remove:virtio_dev_remove:device_release_driver_internal:unbind_store