nvme nvme0: ANA group 1: optimized.
nvme nvme0: creating 2 I/O queues.
nvme nvme0: mapped 2/0/0 default/read/poll queues.
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(lock->magic != lock)
WARNING: kernel/locking/mutex.c:625 at __mutex_lock_common kernel/locking/mutex.c:625 [inline], CPU#1: syz.4.6045/23763
WARNING: kernel/locking/mutex.c:625 at __mutex_lock+0x132a/0x15a0 kernel/locking/mutex.c:821, CPU#1: syz.4.6045/23763
Modules linked in:
CPU: 1 UID: 0 PID: 23763 Comm: syz.4.6045 Tainted: G             L       syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:625 [inline]
RIP: 0010:__mutex_lock+0x1331/0x15a0 kernel/locking/mutex.c:821
Code: 3d be 91 48 c1 e8 03 0f b6 04 18 84 c0 0f 85 46 02 00 00 83 3d 33 90 af 05 00 75 13 48 8d 3d 66 8e b2 05 48 c7 c6 c0 27 2d 8c <67> 48 0f b9 3a 90 e9 1d ee ff ff 90 0f 0b 90 e9 f0 f1 ff ff 90 0f
RSP: 0018:ffffc9001173f200 EFLAGS: 00010246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc9000fcb9000 RSI: ffffffff8c2d27c0 RDI: ffffffff91c13c30
RBP: ffffc9001173f388 R08: ffffffff91be3df3 R09: 1ffffffff237c7be
R10: dffffc0000000000 R11: fffffbfff237c7bf R12: ffff888075748460
R13: 0000000000000000 R14: 1ffff920022e7e54 R15: 0000000000000000
FS:  00007fe6edc456c0(0000) GS:ffff8881234da000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3058f0 CR3: 000000007aa7a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 nvme_tcp_init_request+0xbd/0x260 drivers/nvme/host/tcp.c:571
 blk_mq_init_request block/blk-mq.c:3596 [inline]
 blk_mq_alloc_rqs block/blk-mq.c:3664 [inline]
 blk_mq_alloc_map_and_rqs+0x676/0x970 block/blk-mq.c:4137
 __blk_mq_alloc_map_and_rqs block/blk-mq.c:4155 [inline]
 __blk_mq_alloc_rq_maps block/blk-mq.c:4714 [inline]
 blk_mq_alloc_set_map_and_rqs+0x1a0/0x800 block/blk-mq.c:4745
 blk_mq_alloc_tag_set+0x81a/0xfa0 block/blk-mq.c:4926
 nvme_alloc_io_tag_set+0x36a/0x6f0 drivers/nvme/host/core.c:5103
 nvme_tcp_configure_io_queues drivers/nvme/host/tcp.c:2297 [inline]
 nvme_tcp_setup_ctrl+0xc6f/0x1670 drivers/nvme/host/tcp.c:2530
 nvme_tcp_create_ctrl+0xa59/0xf00 drivers/nvme/host/tcp.c:3123
 nvmf_create_ctrl drivers/nvme/host/fabrics.c:1361 [inline]
 nvmf_dev_write+0x24ca/0x2d90 drivers/nvme/host/fabrics.c:1408
 vfs_write+0x296/0xba0 fs/read_write.c:685
 ksys_write+0x150/0x270 fs/read_write.c:1036
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe6ecd9f559
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe6edc45028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fe6ed025fa0 RCX: 00007fe6ecd9f559
RDX: 000000000000003a RSI: 00002000000007c0 RDI: 0000000000000009
RBP: 00007fe6ece36b20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe6ed026038 R14: 00007fe6ed025fa0 R15: 00007ffc12627868
 </TASK>
----------------
Code disassembly (best guess):
   0:	3d be 91 48 c1       	cmp    $0xc14891be,%eax
   5:	e8 03 0f b6 04       	call   0x4b60f0d
   a:	18 84 c0 0f 85 46 02 	sbb    %al,0x246850f(%rax,%rax,8)
  11:	00 00                	add    %al,(%rax)
  13:	83 3d 33 90 af 05 00 	cmpl   $0x0,0x5af9033(%rip)        # 0x5af904d
  1a:	75 13                	jne    0x2f
  1c:	48 8d 3d 66 8e b2 05 	lea    0x5b28e66(%rip),%rdi        # 0x5b28e89
  23:	48 c7 c6 c0 27 2d 8c 	mov    $0xffffffff8c2d27c0,%rsi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	90                   	nop
  30:	e9 1d ee ff ff       	jmp    0xffffee52
  35:	90                   	nop
  36:	0f 0b                	ud2
  38:	90                   	nop
  39:	e9 f0 f1 ff ff       	jmp    0xfffff22e
  3e:	90                   	nop
  3f:	0f                   	.byte 0xf