------------[ cut here ]------------
WARNING: CPU: 1 PID: 4449 at block/blk-mq.c:4133 blk_mq_release+0x104/0x2c0 block/blk-mq.c:4133
Modules linked in:
CPU: 1 PID: 4449 Comm: syz.3.33 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:blk_mq_release+0x104/0x2c0 block/blk-mq.c:4133
Code: 89 df 4c 89 fe 48 c7 c2 ff ff ff ff b9 08 00 00 00 e8 00 ca 28 06 48 85 c0 74 13 49 89 c4 e8 83 10 85 fd eb af e8 7c 10 85 fd <0f> 0b eb d1 e8 73 10 85 fd eb 05 e8 6c 10 85 fd 48 8b 44 24 18 4c
RSP: 0018:ffffc90004947ac0 EFLAGS: 00010293
RAX: ffffffff83fd2264 RBX: ffff8880272fcdc8 RCX: ffff88802ce60000
RDX: 0000000000000000 RSI: ffffffff8a8c2a20 RDI: ffffffff8adf68a0
RBP: ffffc90004947b88 R08: ffffffff8e20b46f R09: 1ffffffff1c4168d
R10: dffffc0000000000 R11: fffffbfff1c4168e R12: ffff888079f5a2a8
R13: dffffc0000000000 R14: 1ffff92000928f60 R15: ffffc90004947b20
FS:  00005555701dd500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c43b22f CR3: 00000000298e2000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 blk_release_queue+0x12a/0x1e0 block/blk-sysfs.c:774
 kobject_cleanup lib/kobject.c:681 [inline]
 kobject_release lib/kobject.c:712 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x217/0x450 lib/kobject.c:729
 nvme_free_ctrl+0xc2/0x510 drivers/nvme/host/core.c:5196
 device_release+0x92/0x1c0 drivers/base/core.c:-1
 kobject_cleanup lib/kobject.c:681 [inline]
 kobject_release lib/kobject.c:712 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x217/0x450 lib/kobject.c:729
 nvme_put_ctrl drivers/nvme/host/nvme.h:718 [inline]
 nvmf_dev_release+0x8d/0xb0 drivers/nvme/host/fabrics.c:1231
 __fput+0x20a/0x8b0 fs/file_table.c:320
 task_work_run+0x1d0/0x260 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:180
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:213
 __syscall_exit_to_user_mode_work kernel/entry/common.c:295 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:306
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f23cc39e159
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:00007ffdbf6ca578 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007f23cc627da0 RCX: 00007f23cc39e159
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f23cc627da0 R08: 00007f23cc626128 R09: 0000000000000000
R10: 00000000003fb560 R11: 0000000000000246 R12: 0000000000016f7c
R13: 00007f23cc62609c R14: 0000000000016d82 R15: 00007ffdbf6ca680
 </TASK>