syzbot

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GID entry ref leak for dev syz1 index 2 ref=1
WARNING: CPU: 0 PID: 144 at drivers/infiniband/core/cache.c:809 release_gid_table drivers/infiniband/core/cache.c:806 [inline]
WARNING: CPU: 0 PID: 144 at drivers/infiniband/core/cache.c:809 gid_table_release_one+0x30f/0x490 drivers/infiniband/core/cache.c:886
Modules linked in:
CPU: 0 PID: 144 Comm: kworker/u4:1 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: events_unbound ib_unregister_work
RIP: 0010:release_gid_table drivers/infiniband/core/cache.c:806 [inline]
RIP: 0010:gid_table_release_one+0x30f/0x490 drivers/infiniband/core/cache.c:886
Code: 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 75 3c 41 8b 0e 48 c7 c7 40 2d e3 8a 48 8b 74 24 20 44 89 fa e8 01 dd 7a 02 <0f> 0b e9 14 ff ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 1a ff
RSP: 0018:ffffc900010cfae8 EFLAGS: 00010246
RAX: 778d63e35a0e5900 RBX: ffff88807877aed8 RCX: ffff88801adcd940
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 1ffff1100f0ef5c0 R08: dffffc0000000000 R09: ffffed1017204f2c
R10: ffffed1017204f2c R11: 1ffff11017204f2b R12: 1ffff1100f0ef5db
R13: ffff88807877ae00 R14: ffff888074348300 R15: 0000000000000002
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f85b49df038 CR3: 00000000633a7000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ib_device_release+0xce/0x1b0 drivers/infiniband/core/device.c:497
 device_release+0x92/0x1c0 drivers/base/core.c:-1
 kobject_cleanup lib/kobject.c:713 [inline]
 kobject_release lib/kobject.c:744 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x21d/0x460 lib/kobject.c:761
 process_one_work+0x863/0x1000 kernel/workqueue.c:2310
 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>