autofs4:pid:17416:validate_dev_ioctl: path string terminator missing for cmd(0x0000937e) netlink: 'syz-executor.2': attribute type 6 has an invalid length. netlink: 'syz-executor.1': attribute type 6 has an invalid length. INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 1 PID: 17407 Comm: systemd-udevd Not tainted 4.19.125-syzkaller #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+0x1fc/0x2fe lib/dump_stack.c:118 assign_lock_key kernel/locking/lockdep.c:727 [inline] register_lock_class+0xfbb/0x11b0 kernel/locking/lockdep.c:753 __lock_acquire+0x191/0x4380 kernel/locking/lockdep.c:3303 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3907 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] zap_pte_range mm/memory.c:1299 [inline] zap_pmd_range mm/memory.c:1440 [inline] zap_pud_range mm/memory.c:1469 [inline] zap_p4d_range mm/memory.c:1490 [inline] unmap_page_range+0xa1b/0x2db0 mm/memory.c:1511 unmap_single_vma+0x196/0x300 mm/memory.c:1556 unmap_vmas+0xa9/0x180 mm/memory.c:1586 exit_mmap+0x2b9/0x510 mm/mmap.c:3091 __mmput kernel/fork.c:1015 [inline] mmput+0x14e/0x420 kernel/fork.c:1036 exit_mm kernel/exit.c:546 [inline] do_exit+0xac4/0x2f00 kernel/exit.c:867 do_group_exit+0x125/0x310 kernel/exit.c:983 __do_sys_exit_group kernel/exit.c:994 [inline] __se_sys_exit_group kernel/exit.c:992 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:992 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f20feae3618 Code: 00 00 be 3c 00 00 00 eb 19 66 0f 1f 84 00 00 00 00 00 48 89 d7 89 f0 0f 05 48 3d 00 f0 ff ff 77 21 f4 48 89 d7 44 89 c0 0f 05 <48> 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 0f 1f 84 00 00 00 RSP: 002b:00007fffee94d248 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fffee94d310 RCX: 00007f20feae3618 RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 RBP: 00007fffee94d3c0 R08: 00000000000000e7 R09: fffffffffffffe50 R10: 00000000ffffffff R11: 0000000000000202 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000003 R15: 000000000000000e netlink: 'syz-executor.1': attribute type 6 has an invalid length. netlink: 'syz-executor.1': attribute type 6 has an invalid length. EXT4-fs (loop5): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock EXT4-fs (loop5): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock EXT4-fs (loop5): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs (loop5): failed to open journal device unknown-block(0,0): -6 netlink: 'syz-executor.1': attribute type 6 has an invalid length. EXT4-fs (loop5): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock encrypted_key: insufficient parameters specified EXT4-fs (loop5): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock autofs4:pid:17531:validate_dev_ioctl: path string terminator missing for cmd(0x0000937e) encrypted_key: insufficient parameters specified autofs4:pid:17535:validate_dev_ioctl: path string terminator missing for cmd(0x0000937e) EXT4-fs (loop5): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs (loop5): failed to open journal device unknown-block(0,0): -6 autofs4:pid:17573:validate_dev_ioctl: path string terminator missing for cmd(0x0000937e) EXT4-fs (loop5): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock validate_nla: 5 callbacks suppressed netlink: 'syz-executor.1': attribute type 6 has an invalid length. EXT4-fs (loop5): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock EXT4-fs (loop5): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs (loop5): failed to open journal device unknown-block(0,0): -6 netlink: 'syz-executor.1': attribute type 6 has an invalid length. netlink: 'syz-executor.1': attribute type 6 has an invalid length. EXT4-fs (loop5): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock EXT4-fs (loop5): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock netlink: 'syz-executor.1': attribute type 6 has an invalid length. EXT4-fs (loop5): ext4_check_descriptors: Inode table for group 0 overlaps superblock netlink: 'syz-executor.1': attribute type 6 has an invalid length. EXT4-fs (loop5): failed to open journal device unknown-block(0,0): -6 netlink: 'syz-executor.1': attribute type 6 has an invalid length. netlink: 'syz-executor.1': attribute type 6 has an invalid length. EXT4-fs (loop5): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock EXT4-fs (loop5): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock netlink: 'syz-executor.1': attribute type 6 has an invalid length. EXT4-fs (loop5): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs (loop5): failed to open journal device unknown-block(0,0): -6 netlink: 'syz-executor.1': attribute type 6 has an invalid length. autofs4:pid:17792:validate_dev_ioctl: path string terminator missing for cmd(0x0000937e) netlink: 'syz-executor.2': attribute type 6 has an invalid length. EXT4-fs (loop5): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock EXT4-fs (loop5): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock autofs4:pid:17837:validate_dev_ioctl: path string terminator missing for cmd(0x0000937e) EXT4-fs (loop5): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs (loop5): failed to open journal device unknown-block(0,0): -6 autofs4:pid:17870:validate_dev_ioctl: path string terminator missing for cmd(0x0000937e) EXT4-fs (loop5): Can't read superblock on 2nd try netlink: 20 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 20 bytes leftover after parsing attributes in process `syz-executor.2'. autofs4:pid:17980:validate_dev_ioctl: path string terminator missing for cmd(0x0000937e) EXT4-fs (loop5): Can't read superblock on 2nd try autofs4:pid:18035:validate_dev_ioctl: path string terminator missing for cmd(0x0000937e) validate_nla: 10 callbacks suppressed netlink: 'syz-executor.1': attribute type 6 has an invalid length. EXT4-fs (loop5): Can't read superblock on 2nd try netlink: 'syz-executor.1': attribute type 6 has an invalid length. netlink: 'syz-executor.2': attribute type 6 has an invalid length. netlink: 'syz-executor.2': attribute type 6 has an invalid length. netlink: 'syz-executor.2': attribute type 6 has an invalid length. autofs4:pid:18066:validate_dev_ioctl: path string terminator missing for cmd(0x0000937e) netlink: 'syz-executor.2': attribute type 6 has an invalid length. netlink: 'syz-executor.2': attribute type 6 has an invalid length. netlink: 'syz-executor.2': attribute type 6 has an invalid length. netlink: 'syz-executor.1': attribute type 6 has an invalid length. autofs4:pid:18123:validate_dev_ioctl: path string terminator missing for cmd(0x0000937e) EXT4-fs (loop5): Can't read superblock on 2nd try netlink: 'syz-executor.1': attribute type 6 has an invalid length. autofs4:pid:18151:validate_dev_ioctl: path string terminator missing for cmd(0x0000937e)