program:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
write(0xffffffffffffffff, 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nvmet/ports/1/addr_trtype\x00', 0x2, 0x0)
r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000300), 0x2, 0x0)
write(r0, &(0x7f0000000340)='transport=loop,nqn=testnqn\x00', 0x1a)
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)

[   94.548958][ T5285] Bluetooth: hci0: command tx timeout
[   94.855472][   T12] Oops: general protection fault, probably for non-canonical address 0xdffffc000000001c: 0000 [#1] SMP KASAN NOPTI
[   94.860619][   T12] KASAN: null-ptr-deref in range [0x00000000000000e0-0x00000000000000e7]
[   94.864241][   T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u4:0 Not tainted syzkaller #0 PREEMPT(full) 
[   94.868173][   T12] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   94.872376][   T12] Workqueue: nvme-reset-wq nvme_loop_reset_ctrl_work
[   94.875151][   T12] RIP: 0010:kasan_byte_accessible+0x12/0x30
[   94.877236][   T12] 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
[   94.883889][   T12] RSP: 0000:ffffc9000025f978 EFLAGS: 00010002
[   94.886018][   T12] RAX: dffffc0000000000 RBX: ffffffff8be8ac30 RCX: 8000000000000002
[   94.888740][   T12] RDX: 0000000000000000 RSI: ffffffff8be8ac30 RDI: 000000000000001c
[   94.891424][   T12] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000
[   94.894071][   T12] R10: dffffc0000000000 R11: fffffbfff20f46f0 R12: 00000000000000e0
[   94.896694][   T12] R13: 0000000000000000 R14: 00000000000000e0 R15: 0000000000000001
[   94.899515][   T12] FS:  0000000000000000(0000) GS:ffff88808c2cf000(0000) knlGS:0000000000000000
[   94.902567][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.904943][   T12] CR2: 00007f9a9fc7bb13 CR3: 0000000012a52000 CR4: 0000000000352ef0
[   94.907691][   T12] Call Trace:
[   94.908980][   T12]  <TASK>
[   94.910070][   T12]  __kasan_check_byte+0x12/0x40
[   94.911823][   T12]  lock_acquire+0x7d/0x350
[   94.913431][   T12]  ? enable_work+0x17f/0x230
[   94.915111][   T12]  ? rcu_is_watching+0x16/0xb0
[   94.916803][   T12]  _raw_spin_lock_irqsave+0x40/0x60
[   94.918924][   T12]  ? blk_mq_quiesce_queue+0x2f/0x190
[   94.920820][   T12]  blk_mq_quiesce_queue+0x2f/0x190
[   94.922659][   T12]  nvme_loop_reset_ctrl_work+0x1cf/0x810
[   94.924673][   T12]  ? process_scheduled_works+0x97a/0x1630
[   94.926692][   T12]  process_scheduled_works+0xc3d/0x1630
[   94.928707][   T12]  ? __pfx_process_scheduled_works+0x10/0x10
[   94.930789][   T12]  ? assign_work+0x3cf/0x5d0
[   94.932468][   T12]  worker_thread+0xa47/0xfb0
[   94.934134][   T12]  kthread+0x38b/0x480
[   94.935600][   T12]  ? __pfx_worker_thread+0x10/0x10
[   94.937404][   T12]  ? __pfx_kthread+0x10/0x10
[   94.939100][   T12]  ret_from_fork+0x514/0xb70
[   94.940673][   T12]  ? __pfx_ret_from_fork+0x10/0x10
[   94.942489][   T12]  ? __switch_to+0xc89/0x1420
[   94.944093][   T12]  ? __pfx_kthread+0x10/0x10
[   94.945754][   T12]  ret_from_fork_asm+0x1a/0x30
[   94.947463][   T12]  </TASK>
[   94.948647][   T12] Modules linked in:
[   94.950249][   T12] ---[ end trace 0000000000000000 ]---
[   94.952279][   T12] RIP: 0010:kasan_byte_accessible+0x12/0x30
[   94.952294][   T12] 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
[   94.952300][   T12] RSP: 0000:ffffc9000025f978 EFLAGS: 00010002
[   94.952308][   T12] RAX: dffffc0000000000 RBX: ffffffff8be8ac30 RCX: 8000000000000002
[   94.952313][   T12] RDX: 0000000000000000 RSI: ffffffff8be8ac30 RDI: 000000000000001c
[   94.952318][   T12] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000
[   94.952323][   T12] R10: dffffc0000000000 R11: fffffbfff20f46f0 R12: 00000000000000e0
[   94.952328][   T12] R13: 0000000000000000 R14: 00000000000000e0 R15: 0000000000000001
[   94.952336][   T12] FS:  0000000000000000(0000) GS:ffff88808c2cf000(0000) knlGS:0000000000000000
[   94.952342][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.952347][   T12] CR2: 00007f9a9fc7bb13 CR3: 0000000012a52000 CR4: 0000000000352ef0
[   94.952375][   T12] Kernel panic - not syncing: Fatal exception
[   94.994621][   T12] Kernel Offset: disabled
[   94.996546][   T12] Rebooting in 86400 seconds..