program:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000180)='1', 0x1)
openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000300), 0x2, 0x0)
write(r0, &(0x7f0000000340)='transport=loop,nqn=test', 0x17)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./sys\x00', 0x1ff)
mount(&(0x7f0000000400)=@filename='sysfs\x00', &(0x7f00000003c0)='./sys\x00', &(0x7f0000000400)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000440)='./sys/class/nvme/nvme0/reset_controller\x00', 0x1, 0x0)
write(r1, &(0x7f0000000480)='1\x00', 0x1)

[  127.077869][ T5296] Bluetooth: hci0: command tx timeout
[  127.198466][ T1056] Oops: general protection fault, probably for non-canonical address 0xdffffc000000001c: 0000 [#1] SMP KASAN NOPTI
[  127.203342][ T1056] KASAN: null-ptr-deref in range [0x00000000000000e0-0x00000000000000e7]
[  127.206833][ T1056] CPU: 0 UID: 0 PID: 1056 Comm: kworker/u4:10 Not tainted syzkaller #0 PREEMPT(full) 
[  127.211434][ T1056] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  127.215832][ T1056] Workqueue: nvme-reset-wq nvme_loop_reset_ctrl_work
[  127.218673][ T1056] RIP: 0010:kasan_byte_accessible+0x12/0x30
[  127.221180][ T1056] Code: 79 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 c3 cc cc cc cc cc 66 66 66 66 66 66 2e
[  127.230008][ T1056] RSP: 0018:ffffc900052bf978 EFLAGS: 00010002
[  127.233197][ T1056] RAX: dffffc0000000000 RBX: ffffffff8be8ac30 RCX: 8000000000000002
[  127.237407][ T1056] RDX: 0000000000000000 RSI: ffffffff8be8ac30 RDI: 000000000000001c
[  127.241652][ T1056] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000
[  127.244926][ T1056] R10: dffffc0000000000 R11: fffffbfff20f46f0 R12: 00000000000000e0
[  127.248283][ T1056] R13: 0000000000000000 R14: 00000000000000e0 R15: 0000000000000001
[  127.251611][ T1056] FS:  0000000000000000(0000) GS:ffff88808c2cf000(0000) knlGS:0000000000000000
[  127.255172][ T1056] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  127.257851][ T1056] CR2: 00007fceaaf75730 CR3: 000000000eb48000 CR4: 0000000000352ef0
[  127.261148][ T1056] Call Trace:
[  127.262606][ T1056]  <TASK>
[  127.263851][ T1056]  __kasan_check_byte+0x12/0x40
[  127.265870][ T1056]  lock_acquire+0x7d/0x350
[  127.267740][ T1056]  ? enable_work+0x17f/0x230
[  127.269673][ T1056]  ? rcu_is_watching+0x16/0xb0
[  127.271697][ T1056]  _raw_spin_lock_irqsave+0x40/0x60
[  127.273944][ T1056]  ? blk_mq_quiesce_queue+0x2f/0x190
[  127.276282][ T1056]  blk_mq_quiesce_queue+0x2f/0x190
[  127.278307][ T1056]  nvme_loop_reset_ctrl_work+0x1cf/0x810
[  127.280560][ T1056]  ? process_scheduled_works+0x97a/0x1630
[  127.282805][ T1056]  process_scheduled_works+0xc3d/0x1630
[  127.285115][ T1056]  ? __pfx_process_scheduled_works+0x10/0x10
[  127.287561][ T1056]  ? assign_work+0x3cf/0x5d0
[  127.289419][ T1056]  worker_thread+0xa47/0xfb0
[  127.291373][ T1056]  kthread+0x38b/0x480
[  127.293069][ T1056]  ? __pfx_worker_thread+0x10/0x10
[  127.295140][ T1056]  ? __pfx_kthread+0x10/0x10
[  127.296977][ T1056]  ret_from_fork+0x514/0xb70
[  127.298962][ T1056]  ? __pfx_ret_from_fork+0x10/0x10
[  127.301193][ T1056]  ? __switch_to+0xc89/0x1420
[  127.303248][ T1056]  ? __pfx_kthread+0x10/0x10
[  127.305248][ T1056]  ret_from_fork_asm+0x1a/0x30
[  127.307281][ T1056]  </TASK>
[  127.308584][ T1056] Modules linked in:
[  127.310306][ T1056] ---[ end trace 0000000000000000 ]---
[  127.312650][ T1056] RIP: 0010:kasan_byte_accessible+0x12/0x30
[  127.312671][ T1056] Code: 79 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 c3 cc cc cc cc cc 66 66 66 66 66 66 2e
[  127.312681][ T1056] RSP: 0018:ffffc900052bf978 EFLAGS: 00010002
[  127.312693][ T1056] RAX: dffffc0000000000 RBX: ffffffff8be8ac30 RCX: 8000000000000002
[  127.312701][ T1056] RDX: 0000000000000000 RSI: ffffffff8be8ac30 RDI: 000000000000001c
[  127.312708][ T1056] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000
[  127.312716][ T1056] R10: dffffc0000000000 R11: fffffbfff20f46f0 R12: 00000000000000e0
[  127.312723][ T1056] R13: 0000000000000000 R14: 00000000000000e0 R15: 0000000000000001
[  127.312730][ T1056] FS:  0000000000000000(0000) GS:ffff88808c2cf000(0000) knlGS:0000000000000000
[  127.312739][ T1056] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  127.312746][ T1056] CR2: 00007fceaaf75730 CR3: 000000000eb48000 CR4: 0000000000352ef0
[  127.312783][ T1056] Kernel panic - not syncing: Fatal exception
[  127.356703][ T1056] Kernel Offset: disabled
[  127.358564][ T1056] Rebooting in 86400 seconds..