------------[ cut here ]------------ GID entry ref leak for dev syz1 index 2 ref=353, state: 3 WARNING: CPU: 1 PID: 36 at drivers/infiniband/core/cache.c:817 release_gid_table drivers/infiniband/core/cache.c:814 [inline] WARNING: CPU: 1 PID: 36 at drivers/infiniband/core/cache.c:817 gid_table_release_one+0x39e/0x570 drivers/infiniband/core/cache.c:894 Modules linked in: CPU: 1 UID: 0 PID: 36 Comm: kworker/u8:2 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Workqueue: ib-unreg-wq ib_unregister_work RIP: 0010:release_gid_table drivers/infiniband/core/cache.c:814 [inline] RIP: 0010:gid_table_release_one+0x39e/0x570 drivers/infiniband/core/cache.c:894 Code: 04 28 84 c0 0f 85 9d 00 00 00 45 8b 06 48 c7 c7 60 7c 2b 8c 48 8b 74 24 28 4c 8b 74 24 08 44 89 f2 44 89 e1 e8 83 e9 35 f9 90 <0f> 0b 90 90 e9 c5 fe ff ff e8 64 7e 72 f9 4c 8b 64 24 40 4c 89 e0 RSP: 0018:ffffc90000ac7900 EFLAGS: 00010246 RAX: d89947cea50d0900 RBX: ffff888076c960d8 RCX: ffff8881436c9e40 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 RBP: ffff888076c96000 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1b7a678 R12: 0000000000000161 R13: dffffc0000000000 R14: 0000000000000002 R15: 1ffff1100ed92c1b FS: 0000000000000000(0000) GS:ffff88812646a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9b2bf056c0 CR3: 000000000db38000 CR4: 00000000003526f0 Call Trace: ib_device_release+0xd2/0x1c0 drivers/infiniband/core/device.c:509 device_release+0x9c/0x1c0 drivers/base/core.c:-1 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x22b/0x480 lib/kobject.c:737 process_one_work kernel/workqueue.c:3263 [inline] process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3346 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3427 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245