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charset="UTF-8" Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: WARNING in gid_table_release_one ------------[ cut here ]------------ Possibly kref leak, ref:403, state: 3 WARNING: CPU: 0 PID: 12 at drivers/infiniband/core/cache.c:820 release_gid_table drivers/infiniband/core/cache.c:819 [inline] WARNING: CPU: 0 PID: 12 at drivers/infiniband/core/cache.c:820 gid_table_release_one+0x4fb/0x800 drivers/infiniband/core/cache.c:897 Modules linked in: CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 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:819 [inline] RIP: 0010:gid_table_release_one+0x4fb/0x800 drivers/infiniband/core/cache.c:897 Code: 49 01 c6 4c 89 f0 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 be 01 00 00 41 8b 16 48 c7 c7 60 7d 2b 8c 44 89 e6 e8 16 e2 35 f9 90 <0f> 0b 90 90 e9 c4 fe ff ff e8 f7 76 72 f9 4c 8b 7c 24 48 4c 89 f8 RSP: 0018:ffffc90000117900 EFLAGS: 00010246 RAX: a2ec906fdf0a5800 RBX: ffff888030cab6d8 RCX: ffff88801c6e5ac0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 RBP: ffff888079d48010 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1b7a680 R12: 0000000000000193 R13: dffffc0000000000 R14: ffff888028a68690 R15: ffff888030cab600 FS: 0000000000000000(0000) GS:ffff88812636a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f49bf3056c0 CR3: 00000000772e8000 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 Tested on: commit: 690e9fda RDMA/core: Fix WARNING in gid_table_release_one git tree: https://github.com/zhuyj/linux.git v6.17_fix_gid_table_release_one console output: https://syzkaller.appspot.com/x/log.txt?x=16bbb012580000 kernel config: https://syzkaller.appspot.com/x/.config?x=2c614fa9e6f5bdc1 dashboard link: https://syzkaller.appspot.com/bug?extid=b0da83a6c0e2e2bddbd4 compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 Note: no patches were applied.