------------[ cut here ]------------ GID entry ref leak for dev syz1 index 2 ref=3 WARNING: CPU: 1 PID: 6314 at drivers/infiniband/core/cache.c:809 release_gid_table drivers/infiniband/core/cache.c:806 [inline] WARNING: CPU: 1 PID: 6314 at drivers/infiniband/core/cache.c:809 gid_table_release_one+0x30f/0x490 drivers/infiniband/core/cache.c:886 Modules linked in: CPU: 1 PID: 6314 Comm: kworker/u4:18 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 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+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 e0 06 86 8b 48 8b 74 24 20 44 89 fa e8 51 3d b0 f9 <0f> 0b e9 14 ff ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 1a ff RSP: 0018:ffffc9000be67a68 EFLAGS: 00010246 RAX: 7395b97b69085c00 RBX: ffff88814c779ed8 RCX: ffff88807bf79e00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 RBP: 1ffff110298ef3c0 R08: ffffc9000be67667 R09: 1ffff920017ccecc R10: dffffc0000000000 R11: fffff520017ccecd R12: 1ffff110298ef3db R13: ffff88814c779e00 R14: ffff888047bd2600 R15: 0000000000000002 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555577d14808 CR3: 0000000066fa8000 CR4: 00000000003506e0 Call Trace: ib_device_release+0xd2/0x1b0 drivers/infiniband/core/device.c:498 device_release+0x96/0x1c0 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+0x221/0x470 lib/kobject.c:737 process_one_work kernel/workqueue.c:2634 [inline] process_scheduled_works+0xa45/0x15b0 kernel/workqueue.c:2711 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792 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