================================================ [ BUG: lock held when returning to user space! ] 4.9.124-g6a1b592 #30 Not tainted ------------------------------------------------ syz-executor3/9543 is leaving the kernel with locks still held! 1 lock held by syz-executor3/9543: #0: (&fi->mutex){+.+.+.}, at: [] fuse_lock_inode+0xa2/0xd0 fs/fuse/inode.c:362 pktgen: kernel_thread() failed for cpu 0 pktgen: Cannot create thread for cpu 0 (-4) pktgen: kernel_thread() failed for cpu 1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=13361 sclass=netlink_route_socket pig=9619 comm=syz-executor7 TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. pktgen: Cannot create thread for cpu 1 (-4) pktgen: Initialization failed for all threads pktgen: kernel_thread() failed for cpu 0 pktgen: Cannot create thread for cpu 0 (-4) pktgen: kernel_thread() failed for cpu 1 pktgen: Cannot create thread for cpu 1 (-4) pktgen: Initialization failed for all threads SELinux: unrecognized netlink message: protocol=0 nlmsg_type=12593 sclass=netlink_route_socket pig=9644 comm=syz-executor2 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=13361 sclass=netlink_route_socket pig=9645 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=12849 sclass=netlink_route_socket pig=9648 comm=syz-executor6 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=12849 sclass=netlink_route_socket pig=9666 comm=syz-executor6 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=13361 sclass=netlink_route_socket pig=9670 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=12593 sclass=netlink_route_socket pig=9681 comm=syz-executor2 selinux_nlmsg_perm: 18 callbacks suppressed SELinux: unrecognized netlink message: protocol=0 nlmsg_type=12593 sclass=netlink_route_socket pig=9975 comm=syz-executor2 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=13361 sclass=netlink_route_socket pig=9974 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=13361 sclass=netlink_route_socket pig=10001 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=12593 sclass=netlink_route_socket pig=10024 comm=syz-executor2 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=12593 sclass=netlink_route_socket pig=10049 comm=syz-executor2 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=13361 sclass=netlink_route_socket pig=10040 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=13361 sclass=netlink_route_socket pig=10069 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=12593 sclass=netlink_route_socket pig=10106 comm=syz-executor2 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=13361 sclass=netlink_route_socket pig=10138 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=12593 sclass=netlink_route_socket pig=10143 comm=syz-executor2 selinux_nlmsg_perm: 17 callbacks suppressed SELinux: unrecognized netlink message: protocol=0 nlmsg_type=12593 sclass=netlink_route_socket pig=10358 comm=syz-executor2 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=13361 sclass=netlink_route_socket pig=10383 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=13361 sclass=netlink_route_socket pig=10403 comm=syz-executor7