Hello, syzbot found the following issue on: HEAD commit: a957267fa7e9 Add linux-next specific files for 20240611 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=15a085de980000 kernel config: https://syzkaller.appspot.com/x/.config?x=9a880e96898e79f8 dashboard link: https://syzkaller.appspot.com/bug?extid=a35b4afb1f00c45977d0 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/6451759a606b/disk-a957267f.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/7f635dbe5b8a/vmlinux-a957267f.xz kernel image: https://storage.googleapis.com/syzbot-assets/33eafd1b8aec/bzImage-a957267f.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+a35b4afb1f00c45977d0@xxxxxxxxxxxxxxxxxxxxxxxxx infiniband syz1: ib_query_port failed (-19) infiniband syz1: Couldn't set up InfiniBand P_Key/GID cache ------------[ cut here ]------------ GID entry ref leak for dev syz1 index 0 ref=1 WARNING: CPU: 1 PID: 12182 at drivers/infiniband/core/cache.c:809 release_gid_table drivers/infiniband/core/cache.c:806 [inline] WARNING: CPU: 1 PID: 12182 at drivers/infiniband/core/cache.c:809 gid_table_release_one+0x33f/0x4d0 drivers/infiniband/core/cache.c:886 Modules linked in: CPU: 1 PID: 12182 Comm: syz-executor.2 Not tainted 6.10.0-rc3-next-20240611-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:release_gid_table drivers/infiniband/core/cache.c:806 [inline] RIP: 0010:gid_table_release_one+0x33f/0x4d0 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 3e 41 8b 0c 24 48 c7 c7 40 2b a7 8c 48 89 de 44 89 fa e8 e2 2b d0 f8 90 <0f> 0b 90 90 e9 d3 fe ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c RSP: 0018:ffffc9000301efe8 EFLAGS: 00010246 RAX: 5c9e4656a81bd600 RBX: ffff88802919e6a0 RCX: 0000000000040000 RDX: ffffc90003581000 RSI: 000000000003b835 RDI: 000000000003b836 RBP: ffff8880294ed0d8 R08: ffffffff81552c42 R09: fffffbfff1c39b10 R10: dffffc0000000000 R11: fffffbfff1c39b10 R12: ffff88801a3b7d00 R13: ffff8880294ed000 R14: 1ffff1100529da1b R15: 0000000000000000 FS: 00007fe09bba36c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32824000 CR3: 0000000060abc000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> ib_device_release+0xd0/0x1b0 drivers/infiniband/core/device.c:498 device_release+0x99/0x1c0 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x22f/0x480 lib/kobject.c:737 rxe_net_add+0x93/0xd0 drivers/infiniband/sw/rxe/rxe_net.c:543 rxe_newlink+0xde/0x1a0 drivers/infiniband/sw/rxe/rxe.c:197 nldev_newlink+0x5d0/0x640 drivers/infiniband/core/nldev.c:1778 rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline] rdma_nl_rcv+0x6dd/0x9e0 drivers/infiniband/core/netlink.c:259 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline] netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1357 netlink_sendmsg+0x8db/0xcb0 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:745 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2585 ___sys_sendmsg net/socket.c:2639 [inline] __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2668 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe09ae7cea9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe09bba30c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fe09afb3f80 RCX: 00007fe09ae7cea9 RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000005 RBP: 00007fe09aeebff4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fe09afb3f80 R15: 00007ffc7e55f608 </TASK> --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup