------------[ cut here ]------------
WARNING: CPU: 1 PID: 11174 at drivers/infiniband/sw/rxe/rxe_pool.c:116 rxe_pool_cleanup+0x41/0x60 drivers/infiniband/sw/rxe/rxe_pool.c:116
Modules linked in:
CPU: 1 UID: 0 PID: 11174 Comm: kworker/u32:25 Not tainted 6.15.0-syzkaller-10820-gcd2e103d57e5 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: ib-unreg-wq ib_unregister_work
RIP: 0010:rxe_pool_cleanup+0x41/0x60 drivers/infiniband/sw/rxe/rxe_pool.c:116
Code: 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 1f 48 83 bb 80 00 00 00 00 75 06 5b e9 25 69 0d f9 e8 20 69 0d f9 90 <0f> 0b 90 5b e9 16 69 0d f9 e8 21 4e 74 f9 eb da 66 66 2e 0f 1f 84
RSP: 0018:ffffc90003d57bb0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff8881054c5320 RCX: ffffffff8888d284
RDX: ffff88803d088000 RSI: ffffffff88ae9820 RDI: ffff8881054c53a0
RBP: ffffffff88acfcd0 R08: 0000000000000005 R09: 0000000000000001
R10: 0000000000000002 R11: 0000000000000001 R12: ffff8881054c4668
R13: ffff8881054c3fe0 R14: ffff8881054c3fe0 R15: ffff8881054c5080
FS:  0000000000000000(0000) GS:ffff8880d6865000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f39fddd4800 CR3: 0000000032a3c000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rxe_dealloc+0x25/0xc0 drivers/infiniband/sw/rxe/rxe.c:24
 ib_dealloc_device+0x46/0x230 drivers/infiniband/core/device.c:656
 __ib_unregister_device+0x396/0x480 drivers/infiniband/core/device.c:1536
 ib_unregister_work+0x19/0x30 drivers/infiniband/core/device.c:1630
 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3321 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402
 kthread+0x3c5/0x780 kernel/kthread.c:464
 ret_from_fork+0x5d7/0x6f0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>