syzbot

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GID entry ref leak for dev syz1 index 2 ref=1
WARNING: CPU: 0 PID: 10453 at drivers/infiniband/core/cache.c:809 release_gid_table drivers/infiniband/core/cache.c:806 [inline]
WARNING: CPU: 0 PID: 10453 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: 10453 Comm: syz.1.1181 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
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 a0 fa 85 8b 48 8b 74 24 20 44 89 fa e8 51 06 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:ffffc900101df0c8 EFLAGS: 00010246
RAX: 051546eaae5db100 RBX: ffff88807f6ca4d8 RCX: 0000000000080000
RDX: ffffc9000ceb9000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: 1ffff1100fed9480 R08: ffff8880b8e28c13 R09: 1ffff110171c5182
R10: dffffc0000000000 R11: ffffed10171c5183 R12: 1ffff1100fed949b
R13: ffff88807f6ca400 R14: ffff888144b0a300 R15: 0000000000000002
FS:  00007fdfd54b56c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c389c98 CR3: 000000005a398000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000016
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 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
 nldev_dellink+0x2af/0x300 drivers/infiniband/core/nldev.c:1762
 rdma_nl_rcv_msg drivers/infiniband/core/netlink.c:-1 [inline]
 rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline]
 rdma_nl_rcv+0x6b9/0x9a0 drivers/infiniband/core/netlink.c:259
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x751/0x8d0 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x8c1/0xbe0 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 ____sys_sendmsg+0x5bf/0x950 net/socket.c:2595
 ___sys_sendmsg+0x220/0x290 net/socket.c:2649
 __sys_sendmsg net/socket.c:2678 [inline]
 __do_sys_sendmsg net/socket.c:2687 [inline]
 __se_sys_sendmsg+0x1a5/0x270 net/socket.c:2685
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fdfd458efc9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fdfd54b5038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fdfd47e5fa0 RCX: 00007fdfd458efc9
RDX: 0000000000000000 RSI: 00002000000002c0 RDI: 0000000000000003
RBP: 00007fdfd4611f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdfd47e6038 R14: 00007fdfd47e5fa0 R15: 00007fff888feb68
 </TASK>