lo speed is unknown, defaulting to 1000 smc: removing ib device syz1 ------------[ cut here ]------------ GID entry ref leak for dev syz1 index 2 ref=1 WARNING: drivers/infiniband/core/cache.c:806 at release_gid_table drivers/infiniband/core/cache.c:806 [inline], CPU#1: syz.1.143/3889 WARNING: drivers/infiniband/core/cache.c:806 at gid_table_release_one+0xe4/0x110 drivers/infiniband/core/cache.c:886, CPU#1: syz.1.143/3889 Modules linked in: CPU: 1 UID: 0 PID: 3889 Comm: syz.1.143 Not tainted syzkaller #0 PREEMPT Hardware name: linux,dummy-virt (DT) pstate: 61402009 (nZCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) pc : release_gid_table drivers/infiniband/core/cache.c:806 [inline] pc : gid_table_release_one+0xe4/0x110 drivers/infiniband/core/cache.c:886 lr : release_gid_table drivers/infiniband/core/cache.c:806 [inline] lr : gid_table_release_one+0xe4/0x110 drivers/infiniband/core/cache.c:886 sp : ffff80008622b440 x29: ffff80008622b440 x28: f1f000000b979080 x27: fdf000000b8c1880 x26: 00000000ffffffff x25: 0000000000000001 x24: faf00000061ea000 x23: 00000000000000c0 x22: fbf0000003c1b640 x21: ffff8000826b92a0 x20: ffff800082c8f1e1 x19: 0000000000000002 x18: 0000000000000014 x17: 00000000bd0eab88 x16: 000000000d1c33bf x15: 0000000021714fe4 x14: 0000000000000192 x13: 0000000000000000 x12: ffff800082a012d0 x11: 00000000000000c0 x10: 8facae8d6228f4a6 x9 : 42b021c31b8723cb x8 : f1f000000b97a098 x7 : 0000000000000004 x6 : 0000001a4632994c x5 : 0000000000000002 x4 : fbffff3fffffffff x3 : 000000000000ffff x2 : 0000000000000000 x1 : 0000000000000000 x0 : f1f000000b979080 Call trace: release_gid_table drivers/infiniband/core/cache.c:806 [inline] (P) gid_table_release_one+0xe4/0x110 drivers/infiniband/core/cache.c:886 (P) ib_cache_release_one+0x64/0x78 drivers/infiniband/core/cache.c:1636 ib_device_release+0x44/0xa0 drivers/infiniband/core/device.c:509 device_release+0x34/0x90 drivers/base/core.c:2565 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0xa4/0x114 lib/kobject.c:737 put_device+0x14/0x24 drivers/base/core.c:3797 ib_unregister_device_and_put+0x40/0x58 drivers/infiniband/core/device.c:1621 nldev_dellink+0xa8/0x10c drivers/infiniband/core/nldev.c:1827 rdma_nl_rcv_msg+0xfc/0x1ec drivers/infiniband/core/netlink.c:195 rdma_nl_rcv_skb.constprop.0.isra.0+0xc8/0x124 drivers/infiniband/core/netlink.c:239 rdma_nl_rcv+0x10/0x1c drivers/infiniband/core/netlink.c:259 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x328/0x3ac net/netlink/af_netlink.c:1344 netlink_sendmsg+0x194/0x3fc net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg+0x54/0x60 net/socket.c:742 ____sys_sendmsg+0x234/0x29c net/socket.c:2592 ___sys_sendmsg+0xac/0x100 net/socket.c:2646 __sys_sendmsg+0x98/0xf8 net/socket.c:2678 __do_sys_sendmsg net/socket.c:2683 [inline] __se_sys_sendmsg net/socket.c:2681 [inline] __arm64_sys_sendmsg+0x24/0x30 net/socket.c:2681 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x48/0x110 arch/arm64/kernel/syscall.c:49 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:132 do_el0_svc+0x1c/0x28 arch/arm64/kernel/syscall.c:151 el0_svc+0x34/0x128 arch/arm64/kernel/entry-common.c:724 el0t_64_sync_handler+0xa0/0xe4 arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:596 ---[ end trace 0000000000000000 ]---