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GID entry ref leak for dev syz1 index 2 ref=1
WARNING: CPU: 2 PID: 1142 at drivers/infiniband/core/cache.c:806 release_gid_table drivers/infiniband/core/cache.c:806 [inline]
WARNING: CPU: 2 PID: 1142 at drivers/infiniband/core/cache.c:806 gid_table_release_one+0x387/0x4b0 drivers/infiniband/core/cache.c:886
Modules linked in:
CPU: 2 UID: 0 PID: 1142 Comm: kworker/u32:6 Not tainted syzkaller #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:release_gid_table drivers/infiniband/core/cache.c:806 [inline]
RIP: 0010:gid_table_release_one+0x387/0x4b0 drivers/infiniband/core/cache.c:886
Code: 07 00 00 48 85 f6 74 2b 48 89 74 24 38 e8 41 e5 63 f9 48 8b 74 24 38 44 89 f1 44 89 ea 48 c7 c7 80 d3 74 8c e8 aa bb 22 f9 90 <0f> 0b 90 90 e9 6e fe ff ff e8 1b e5 63 f9 48 8d bd 78 07 00 00 48
RSP: 0018:ffffc90006817b50 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff888027293e00 RCX: ffffffff81796af8
RDX: ffff888026f28000 RSI: ffffffff81796b05 RDI: 0000000000000001
RBP: ffff88805de3c000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffed1004e527db
R13: 0000000000000002 R14: 0000000000000001 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888097e6f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000005842999c CR3: 000000005de1f000 CR4: 0000000000352ef0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ib_device_release+0xef/0x1e0 drivers/infiniband/core/device.c:509
 device_release+0xa4/0x240 drivers/base/core.c:2565
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x1e7/0x5a0 lib/kobject.c:737
 put_device+0x1f/0x30 drivers/base/core.c:3797
 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3263
 process_scheduled_works kernel/workqueue.c:3346 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3427
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x56a/0x730 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>