================================================ [ BUG: lock held when returning to user space! ] 4.9.123-g8dd3fc2 #27 Not tainted ------------------------------------------------ syz-executor6/27277 is leaving the kernel with locks still held! 1 lock held by syz-executor6/27277: #0: (&fi->mutex){+.+.+.}, at: [] fuse_lock_inode+0xa2/0xd0 fs/fuse/inode.c:362 IPv6: ADDRCONF(NETDEV_UP): bond_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_UP): bond_slave_1: link is not ready IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): bond_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): bond_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready SELinux: unrecognized netlink message: protocol=0 nlmsg_type=23568 sclass=netlink_route_socket pig=27285 comm=syz-executor0 IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready EXT4-fs (sda1): Unrecognized mount option "cd żit=0x00000000000-0400" or missing value EXT4-fs (sda1): Unrecognized mount option "cd żit=0x00000000000-0400" or missing value SELinux: unrecognized netlink message: protocol=0 nlmsg_type=23568 sclass=netlink_route_socket pig=27300 comm=syz-executor0 f2fs_msg: 22 callbacks suppressed F2FS-fs (loop6): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop6): Can't find valid F2FS filesystem in 1th superblock Dev loop4: unable to read RDB block 5 loop4: unable to read partition table loop4: partition table beyond EOD, truncated loop_reread_partitions: partition scan of loop4 () failed (rc=-5) EXT4-fs (sda1): Unrecognized mount option "cd żit=0x00000000000-0400" or missing value F2FS-fs (loop6): Magic Mismatch, valid(0xf2f52010) - read(0x0) EXT4-fs (sda1): Unrecognized mount option "cd żit=0x00000000000-0400" or missing value F2FS-fs (loop6): Can't find valid F2FS filesystem in 2th superblock F2FS-fs (loop6): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop6): Can't find valid F2FS filesystem in 1th superblock F2FS-fs (loop6): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop6): Can't find valid F2FS filesystem in 2th superblock F2FS-fs (loop6): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop6): Can't find valid F2FS filesystem in 1th superblock Dev loop4: unable to read RDB block 5 loop4: unable to read partition table loop4: partition table beyond EOD, truncated loop_reread_partitions: partition scan of loop4 () failed (rc=-5) EXT4-fs (sda1): Unrecognized mount option "cd żit=0x00000000000-0400" or missing value Dev loop4: unable to read RDB block 5 loop4: unable to read partition table loop4: partition table beyond EOD, truncated loop_reread_partitions: partition scan of loop4 () failed (rc=-5) Dev loop4: unable to read RDB block 5 loop4: unable to read partition table loop4: partition table beyond EOD, truncated loop_reread_partitions: partition scan of loop4 () failed (rc=-5) EXT4-fs (sda1): Unrecognized mount option "cd żit=0x00000000000-0400" or missing value Dev loop4: unable to read RDB block 5 loop4: unable to read partition table loop4: partition table beyond EOD, truncated loop_reread_partitions: partition scan of loop4 () failed (rc=-5) EXT4-fs (sda1): Unrecognized mount option "cd żit=0x00000000000-0400" or missing value Dev loop4: unable to read RDB block 5 loop4: unable to read partition table loop4: partition table beyond EOD, [ 391.742928] EXT4-fs (sda1): Unrecognized mount option "cd żit=0x00000000000-0400" or missing value truncated loop_reread_partitions: partition scan of loop4 () failed (rc=-5) Dev loop4: unable to read RDB block 5 loop4: unable to read partition table EXT4-fs (sda1): Unrecognized mount option "cd żit=0x00000000000-0400" or missing value loop4: partition table beyond EOD, truncated loop_reread_partitions: partition scan of loop4 () failed (rc=-5) EXT4-fs (sda1): Unrecognized mount option "cd żit=0x00000000000-0400" or missing value Dev loop4: unable to read RDB block 5 loop4: unable to read partition table loop4: partition table beyond EOD, truncated loop_reread_partitions: partition scan of loop4 () failed (rc=-5) Dev loop4: unable to read RDB block 5 loop4: unable to read partition table loop4: partition table beyond EOD, truncated loop_reread_partitions: partition scan of loop4 () failed (rc=-5) EXT4-fs (sda1): Unrecognized mount option "cd żit=0x00000000000-0400" or missing value Dev loop4: unable to read RDB block 5 loop4: unable to read partition table loop4: partition table beyond EOD, truncated loop_reread_partitions: partition scan of loop4 () failed (rc=-5) EXT4-fs (sda1): Unrecognized mount option "cd żit=0x00000000000-0400" or missing value Dev loop4: unable to read RDB block 5 loop4: unable to read partition table loop4: partition table beyond EOD, truncated loop_reread_partitions: partition scan of loop4 () failed (rc=-5) Dev loop4: unable to read RDB block 5 loop4: unable to read partition table loop4: partition table beyond EOD, truncated loop_reread_partitions: partition scan of loop4 () failed (rc=-5) EXT4-fs (sda1): Unrecognized mount option "cd żit=0x00000000000-0400" or missing value EXT4-fs (sda1): Unrecognized mount option "cd żit=0x00000000000-0400" or missing value EXT4-fs (sda1): Unrecognized mount option "cd żit=0x00000000000-0400" or missing value Dev loop4: unable to read RDB block 5 loop4: unable to read partition table loop4: partition table beyond EOD, truncated loop_reread_partitions: partition scan of loop4 () failed (rc=-5) 9pnet_virtio: no channels available for device / 9pnet_virtio: no channels available for device / 9pnet_virtio: no channels available for device / 9pnet_virtio: no channels available for device / 9pnet_virtio: no channels available for device / 9pnet_virtio: no channels available for device / f2fs_msg: 14 callbacks suppressed F2FS-fs (loop6): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop6): Can't find valid F2FS filesystem in 1th superblock F2FS-fs (loop6): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop6): Can't find valid F2FS filesystem in 2th superblock F2FS-fs (loop6): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop6): Can't find valid F2FS filesystem in 1th superblock F2FS-fs (loop6): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop6): Can't find valid F2FS filesystem in 2th superblock 9pnet_virtio: no channels available for device / 9pnet_virtio: no channels available for device / netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. EXT4-fs (sda1): re-mounted. Opts: ,errors=continue EXT4-fs (sda1): re-mounted. Opts: ,errors=continue