8021q: adding VLAN 0 to HW filter on device team0 8021q: adding VLAN 0 to HW filter on device team0 8021q: adding VLAN 0 to HW filter on device team0 ===================================== WARNING: bad unlock balance detected! 5.4.0-rc6+ #0 Not tainted ------------------------------------- syz-executor1/9008 is trying to release lock (&file->mut) at: [] ucma_destroy_id+0x23e/0x400 drivers/infiniband/core/ucma.c:621 but there are no more locks to release! other info that might help us debug this: 1 lock held by syz-executor1/9008: #0: ffff8881c0f55260 (&file->mut){+.+.}, at: ucma_destroy_id+0x1de/0x400 drivers/infiniband/core/ucma.c:619 stack backtrace: CPU: 1 PID: 9008 Comm: syz-executor1 Not tainted 5.4.0-rc6+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x12f/0x187 lib/dump_stack.c:118 print_unlock_imbalance_bug.cold.53+0x114/0x123 kernel/locking/lockdep.c:4008 __lock_release kernel/locking/lockdep.c:4244 [inline] lock_release+0x5f6/0x900 kernel/locking/lockdep.c:4506 __mutex_unlock_slowpath+0x8f/0x6a0 kernel/locking/mutex.c:1228 mutex_unlock+0xd/0x10 kernel/locking/mutex.c:740 ucma_destroy_id+0x23e/0x400 drivers/infiniband/core/ucma.c:621 ucma_write+0x206/0x2e0 drivers/infiniband/core/ucma.c:1684 __vfs_write+0x61/0x110 fs/read_write.c:494 vfs_write+0x191/0x4c0 fs/read_write.c:558 ksys_write+0x197/0x220 fs/read_write.c:611 __do_sys_write fs/read_write.c:623 [inline] __se_sys_write fs/read_write.c:620 [inline] __x64_sys_write+0x6e/0xb0 fs/read_write.c:620 do_syscall_64+0xd0/0x5e0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4571d9 Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffaeb115c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007ffaeb1166d4 RCX: 00000000004571d9 RDX: 0000000000000018 RSI: 0000000020000480 RDI: 0000000000000005 RBP: 0000000000930140 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004d7510 R14: 00000000004c1848 R15: 0000000000000001