------------[ cut here ]------------ GID entry ref leak for dev syz1 index 2 ref=72 WARNING: CPU: 1 PID: 148 at drivers/infiniband/core/cache.c:809 release_gid_table drivers/infiniband/core/cache.c:806 [inline] WARNING: CPU: 1 PID: 148 at drivers/infiniband/core/cache.c:809 gid_table_release_one+0x284/0x3cc drivers/infiniband/core/cache.c:886 Modules linked in: CPU: 1 PID: 148 Comm: kworker/u4:2 Not tainted 5.15.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: events_unbound ib_unregister_work pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : release_gid_table drivers/infiniband/core/cache.c:806 [inline] pc : gid_table_release_one+0x284/0x3cc drivers/infiniband/core/cache.c:886 lr : release_gid_table drivers/infiniband/core/cache.c:806 [inline] lr : gid_table_release_one+0x284/0x3cc drivers/infiniband/core/cache.c:886 sp : ffff80001be27900 x29: ffff80001be27950 x28: ffff0000d2687600 x27: ffff0000d26882d8 x26: ffff0000d2688200 x25: 0000000000000010 x24: 0000000000000001 x23: ffff80001658e000 x22: dfff800000000000 x21: 0000000000000003 x20: 1fffe0001a4d105b x19: 1fffe0001a4d1040 x18: 0000000000000001 x17: 0000000000000000 x16: ffff8000111a5644 x15: 00000000ffffffff x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 1082cbb731948700 x8 : 1082cbb731948700 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001be271f8 x4 : ffff80001422f280 x3 : ffff80000a732644 x2 : ffff0001a111cd10 x1 : 0000000100000000 x0 : 000000000000002e Call trace: release_gid_table drivers/infiniband/core/cache.c:806 [inline] gid_table_release_one+0x284/0x3cc drivers/infiniband/core/cache.c:886 ib_cache_release_one+0x144/0x174 drivers/infiniband/core/cache.c:1648 ib_device_release+0xc4/0x18c drivers/infiniband/core/device.c:497 device_release+0x8c/0x1ac drivers/base/core.c:-1 kobject_cleanup lib/kobject.c:713 [inline] kobject_release lib/kobject.c:744 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x2cc/0x454 lib/kobject.c:761 put_device+0x28/0x40 drivers/base/core.c:3520 ib_unregister_work+0x28/0x38 drivers/infiniband/core/device.c:1595 process_one_work+0x79c/0x1140 kernel/workqueue.c:2310 worker_thread+0x8f4/0x101c kernel/workqueue.c:2457 kthread+0x374/0x454 kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 525608 hardirqs last enabled at (525607): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257 hardirqs last disabled at (525608): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (525604): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (525604): [] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:586 softirqs last disabled at (525459): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (525459): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (525459): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (525459): [] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:641 ---[ end trace a0dbd26999cb8cdb ]--- netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 device hsr_slave_0 left promiscuous mode device hsr_slave_1 left promiscuous mode batman_adv: batadv0: Interface deactivated: batadv_slave_0 batman_adv: batadv0: Removing interface: batadv_slave_0 batman_adv: batadv0: Interface deactivated: batadv_slave_1 batman_adv: batadv0: Removing interface: batadv_slave_1 device bridge_slave_1 left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_0 left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state device veth1_macvtap left promiscuous mode device veth0_macvtap left promiscuous mode device veth1_vlan left promiscuous mode device veth0_vlan left promiscuous mode team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed bond0 (unregistering): (slave bond_slave_1): Releasing backup interface bond0 (unregistering): (slave bond_slave_0): Releasing backup interface bond0 (unregistering): Released all slaves