------------[ cut here ]------------
WARNING: CPU: 0 PID: 2885 at drivers/infiniband/core/cq.c:359 ib_cq_pool_cleanup+0x1b8/0x5b0 drivers/infiniband/core/cq.c:359
Modules linked in:
CPU: 0 PID: 2885 Comm: kworker/u4:6 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/08/2026
Workqueue: ib-unreg-wq ib_unregister_work
RIP: 0010:ib_cq_pool_cleanup+0x1b8/0x5b0 drivers/infiniband/core/cq.c:359
Code: 8b 34 24 4c 8b 7c 24 08 4d 39 f7 74 56 e8 50 83 ca f9 e9 c3 fe ff ff e8 46 83 ca f9 41 80 3c 1e 00 75 8e eb 94 e8 38 83 ca f9 <0f> 0b e9 f8 fe ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c cd fe
RSP: 0018:ffffc9000bb57a88 EFLAGS: 00010293
RAX: ffffffff87bcff38 RBX: dffffc0000000000 RCX: ffff88802bb33c00
RDX: 0000000000000000 RSI: 0000000000000804 RDI: 0000000000000000
RBP: 0000000000000804 R08: ffffffff8e18bc5b R09: 1ffffffff1c3178b
R10: dffffc0000000000 R11: fffffbfff1c3178c R12: ffff88805d8d902c
R13: dead000000000100 R14: 1ffff1100bb1b208 R15: ffff88805d8d9040
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005629d5fae950 CR3: 000000002fcf1000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 disable_device+0x15e/0x330 drivers/infiniband/core/device.c:1295
 __ib_unregister_device+0x6f/0x170 drivers/infiniband/core/device.c:1490
 ib_unregister_work+0x19/0x30 drivers/infiniband/core/device.c:1601
 process_one_work kernel/workqueue.c:2657 [inline]
 process_scheduled_works+0xa60/0x1600 kernel/workqueue.c:2734
 worker_thread+0xa5e/0xfe0 kernel/workqueue.c:2815
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>