binder: send failed reply for transaction 43, target dead netlink: 64 bytes leftover after parsing attributes in process `syz-executor2'. ===================================== [ BUG: bad unlock balance detected! ] 4.4.114-ga81d322 #4 Not tainted ------------------------------------- syz-executor5/9243 is trying to release lock (mrt_lock) at: [] ipmr_mfc_seq_stop+0xe4/0x140 net/ipv6/ip6mr.c:553 but there are no more locks to release! other info that might help us debug this: 1 lock held by syz-executor5/9243: #0: (&p->lock){+.+.+.}, at: [] seq_read+0xdd/0x1270 fs/seq_file.c:178 stack backtrace: CPU: 1 PID: 9243 Comm: syz-executor5 Not tainted 4.4.114-ga81d322 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 90ebc20df4272a2d ffff8800b305f9f8 ffffffff81d0394d ffffffff84771c98 ffff8800b1e00000 ffffffff833c7524 ffffffff84771c98 ffff8800b1e008a8 ffff8800b305fa28 ffffffff81233354 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] print_unlock_imbalance_bug+0x174/0x1a0 kernel/locking/lockdep.c:3266 [] __lock_release kernel/locking/lockdep.c:3408 [inline] [] lock_release+0x72a/0xc10 kernel/locking/lockdep.c:3611 [] __raw_read_unlock include/linux/rwlock_api_smp.h:225 [inline] [] _raw_read_unlock+0x1a/0x50 kernel/locking/spinlock.c:255 [] ipmr_mfc_seq_stop+0xe4/0x140 net/ipv6/ip6mr.c:553 [] seq_read+0xa80/0x1270 fs/seq_file.c:283 [] proc_reg_read+0xef/0x170 fs/proc/inode.c:202 TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. [] __vfs_read+0x103/0x440 fs/read_write.c:432 [] vfs_read+0x123/0x3a0 fs/read_write.c:454 [] SYSC_pread64 fs/read_write.c:607 [inline] [] SyS_pread64+0x13f/0x170 fs/read_write.c:594 [] entry_SYSCALL_64_fastpath+0x1c/0x98 TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. sock: process `syz-executor7' is using obsolete setsockopt SO_BSDCOMPAT TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20018. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20010. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20010. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20010. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20010. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20010. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20010. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20010. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20010. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20010. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20010. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20010. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20018. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20010. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20010. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20006. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20018. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20018. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20006. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20018. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20006. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20018. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20022. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20018. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20022. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20006. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20022. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20022. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20018. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20018. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20022. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20022. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20018. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20018. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20018. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20018. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20018. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20006. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20018. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20018. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20018. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20018. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20022. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20022. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20018. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20022. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20018. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20010. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20010. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20022. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20018. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20010. Sending cookies. Check SNMP counters. TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters.