================================================ [ BUG: lock held when returning to user space! ] 4.9.124+ #33 Not tainted ------------------------------------------------ syz-executor3/20966 is leaving the kernel with locks still held! 1 lock held by syz-executor3/20966: #0: (&fi->mutex){+.+.+.}, at: [] fuse_lock_inode+0xa2/0xd0 fs/fuse/inode.c:362 selinux_nlmsg_perm: 680 callbacks suppressed SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=21371 comm=syz-executor4 Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=21379 comm=syz-executor4 netlink: 16 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor4'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=57616 sclass=netlink_route_socket pig=21533 comm=syz-executor4 FAT-fs (loop4): invalid media value (0xad) FAT-fs (loop4): Can't find a valid FAT filesystem FAT-fs (loop4): invalid media value (0xad) FAT-fs (loop4): Can't find a valid FAT filesystem netlink: 16 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor4'. FAT-fs (loop0): invalid media value (0xad) FAT-fs (loop0): Can't find a valid FAT filesystem SELinux: unrecognized netlink message: protocol=0 nlmsg_type=771 sclass=netlink_route_socket pig=21646 comm=syz-executor5 FAT-fs (loop0): invalid media value (0xad) SELinux: unrecognized netlink message: protocol=0 nlmsg_type=771 sclass=netlink_route_socket pig=21673 comm=syz-executor5 FAT-fs (loop0): Can't find a valid FAT filesystem SELinux: unrecognized netlink message: protocol=0 nlmsg_type=771 sclass=netlink_route_socket pig=21689 comm=syz-executor5 FAT-fs (loop0): invalid media value (0xad) FAT-fs (loop0): Can't find a valid FAT filesystem FAT-fs (loop0): invalid media value (0xad) FAT-fs (loop0): Can't find a valid FAT filesystem SELinux: unrecognized netlink message: protocol=0 nlmsg_type=770 sclass=netlink_route_socket pig=21739 comm=syz-executor1 FAT-fs (loop0): invalid media value (0xad) FAT-fs (loop0): Can't find a valid FAT filesystem SELinux: unrecognized netlink message: protocol=0 nlmsg_type=770 sclass=netlink_route_socket pig=21760 comm=syz-executor1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=770 sclass=netlink_route_socket pig=21778 comm=syz-executor1 FAT-fs (loop0): invalid media value (0xad) FAT-fs (loop0): Can't find a valid FAT filesystem FAT-fs (loop0): invalid media value (0xdf) FAT-fs (loop0): Can't find a valid FAT filesystem FAT-fs (loop0): invalid media value (0x7b) FAT-fs (loop0): Can't find a valid FAT filesystem FAT-fs (loop0): invalid media value (0x03) FAT-fs (loop0): Can't find a valid FAT filesystem FAT-fs (loop0): invalid media value (0x1a) FAT-fs (loop0): Can't find a valid FAT filesystem netlink: 4 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor4'. FAT-fs (loop0): invalid media value (0x1a) FAT-fs (loop0): Can't find a valid FAT filesystem FAT-fs (loop0): invalid media value (0x8c) FAT-fs (loop0): Can't find a valid FAT filesystem SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=21948 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=21948 comm=syz-executor4 netlink: 16 bytes leftover after parsing attributes in process `syz-executor4'. FAT-fs (loop0): bogus number of reserved sectors FAT-fs (loop0): Can't find a valid FAT filesystem FAT-fs (loop0): bogus number of reserved sectors FAT-fs (loop0): Can't find a valid FAT filesystem FAT-fs (loop0): bogus number of reserved sectors FAT-fs (loop0): Can't find a valid FAT filesystem