------------[ cut here ]----------- ------------[ cut here ]------------ GID entry ref leak for dev syz1 index 2 ref=2 WARNING: CPU: 1 PID: 250 at drivers/infiniband/core/cache.c:809 release_gid_table drivers/infiniband/core/cache.c:806 [inline] WARNING: CPU: 1 PID: 250 at drivers/infiniband/core/cache.c:809 gid_table_release_one+0x284/0x3cc drivers/infiniband/core/cache.c:886 Modules linked in: CPU: 1 UID: 0 PID: 250 Comm: kworker/u8:4 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 Workqueue: ib-unreg-wq ib_unregister_work pstate: 63400005 (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 : ffff80009bc17880 x29: ffff80009bc178d0 x28: ffff0000cbd18100 x27: ffff0000d3bfccd8 x26: ffff0000d3bfcc00 x25: 0000000000000010 x24: 0000000000000001 x23: ffff800092c1a000 x22: dfff800000000000 x21: 0000000000000003 x20: 1fffe0001a77f99b x19: 1fffe0001a77f980 x18: 1fffe000337db690 x17: ffff80008f59e000 x16: ffff800082dee3c0 x15: 0000000000000001 x14: 1fffe000337de118 x13: 0000000000000000 x12: 0000000000000000 x11: ffff800093124c88 x10: 0000000000000003 x9 : 5bc62f77d038da00 x8 : 5bc62f77d038da00 x7 : ffff8000804936c4 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000010 x2 : 0000000000000006 x1 : ffff80008b3fb340 x0 : 0000000000000001 Call trace: release_gid_table drivers/infiniband/core/cache.c:806 [inline] (P) gid_table_release_one+0x284/0x3cc drivers/infiniband/core/cache.c:886 (P) ib_cache_release_one+0x144/0x174 drivers/infiniband/core/cache.c:1636 ib_device_release+0xc4/0x194 drivers/infiniband/core/device.c:509 device_release+0x8c/0x1ac 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+0x2b0/0x438 lib/kobject.c:737 put_device+0x28/0x40 drivers/base/core.c:3797 ib_unregister_work+0x28/0x38 drivers/infiniband/core/device.c:1668 process_one_work+0x7e8/0x155c kernel/workqueue.c:3263 process_scheduled_works kernel/workqueue.c:3346 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3427 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844 irq event stamp: 1275512 hardirqs last enabled at (1275511): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1559 [inline] hardirqs last enabled at (1275511): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:5073 hardirqs last disabled at (1275512): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (1274522): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (1274522): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:650 softirqs last disabled at (1274395): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- GRED: Unable to relocate VQ 0x0 after dequeue, screwing up backlog GRED: Unable to relocate VQ 0x0 after dequeue, screwing up backlog GRED: Unable to relocate VQ 0x0 after dequeue, screwing up backlog GRED: Unable to relocate VQ 0x0 after dequeue, screwing up backlog