ntfs: (device loop2): ntfs_external_attr_find(): Base inode 0x2 contains corrupt attribute list attribute. Unmount and run chkdsk. ntfs: (device loop2): ntfs_read_locked_inode(): Failed to lookup $DATA attribute. ====================================================== WARNING: possible circular locking dependency detected 5.15.113-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.2/8774 is trying to acquire lock: ffff88803850cbd0 (&ni->mrec_lock){+.+.}-{3:3}, at: map_mft_record+0x4a/0x850 fs/ntfs/mft.c:154 but task is already holding lock: ffff88803850cb40 (&rl->lock){++++}-{3:3}, at: ntfs_map_runlist+0x2a/0xa0 fs/ntfs/attrib.c:288 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&rl->lock){++++}-{3:3}: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5622 down_read+0x45/0x2e0 kernel/locking/rwsem.c:1488 ntfs_read_block fs/ntfs/aops.c:248 [inline] ntfs_readpage+0x123e/0x2210 fs/ntfs/aops.c:435 do_read_cache_page+0x752/0x1040 read_mapping_page include/linux/pagemap.h:515 [inline] ntfs_map_page+0x25/0x390 fs/ntfs/aops.h:75 ntfs_sync_mft_mirror+0x253/0x19e0 fs/ntfs/mft.c:480 write_mft_record_nolock+0x140c/0x16c0 fs/ntfs/mft.c:805 write_mft_record fs/ntfs/mft.h:95 [inline] __ntfs_write_inode+0x7b4/0xdd0 fs/ntfs/inode.c:3050 ntfs_commit_inode fs/ntfs/inode.h:300 [inline] ntfs_put_super+0x676/0xf80 fs/ntfs/super.c:2307 generic_shutdown_super+0x136/0x2c0 fs/super.c:475 kill_block_super+0x7a/0xe0 fs/super.c:1405 deactivate_locked_super+0xa0/0x110 fs/super.c:335 cleanup_mnt+0x44e/0x500 fs/namespace.c:1143 task_work_run+0x129/0x1a0 kernel/task_work.c:164 exit_task_work include/linux/task_work.h:32 [inline] do_exit+0x6a3/0x2480 kernel/exit.c:872 do_group_exit+0x144/0x310 kernel/exit.c:994 get_signal+0xc66/0x14e0 kernel/signal.c:2889 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:865 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:172 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x5d/0x250 kernel/entry/common.c:301 ret_from_fork+0x15/0x30 arch/x86/entry/entry_64.S:291 -> #0 (&ni->mrec_lock){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain+0x1646/0x58b0 kernel/locking/lockdep.c:3787 __lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5011 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5622 __mutex_lock_common+0x1da/0x25a0 kernel/locking/mutex.c:596 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743 map_mft_record+0x4a/0x850 fs/ntfs/mft.c:154 ntfs_map_runlist_nolock+0x44b/0x1770 fs/ntfs/attrib.c:91 ntfs_map_runlist+0x7e/0xa0 fs/ntfs/attrib.c:292 ntfs_read_block fs/ntfs/aops.c:283 [inline] ntfs_readpage+0x1459/0x2210 fs/ntfs/aops.c:435 do_read_cache_page+0x752/0x1040 read_mapping_page include/linux/pagemap.h:515 [inline] ntfs_map_page+0x25/0x390 fs/ntfs/aops.h:75 ntfs_lookup_inode_by_name+0xf5f/0x3200 fs/ntfs/dir.c:308 ntfs_lookup+0x1d9/0xdf0 fs/ntfs/namei.c:111 lookup_open fs/namei.c:3370 [inline] open_last_lookups fs/namei.c:3462 [inline] path_openat+0x110e/0x2f20 fs/namei.c:3669 do_filp_open+0x21c/0x460 fs/namei.c:3699 do_sys_openat2+0x13b/0x500 fs/open.c:1211 do_sys_open fs/open.c:1227 [inline] __do_sys_openat fs/open.c:1243 [inline] __se_sys_openat fs/open.c:1238 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1238 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&rl->lock); lock(&ni->mrec_lock); lock(&rl->lock); lock(&ni->mrec_lock); *** DEADLOCK *** 2 locks held by syz-executor.2/8774: #0: ffff88803850ceb0 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: inode_lock include/linux/fs.h:787 [inline] #0: ffff88803850ceb0 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: open_last_lookups fs/namei.c:3459 [inline] #0: ffff88803850ceb0 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: path_openat+0x824/0x2f20 fs/namei.c:3669 #1: ffff88803850cb40 (&rl->lock){++++}-{3:3}, at: ntfs_map_runlist+0x2a/0xa0 fs/ntfs/attrib.c:288 stack backtrace: CPU: 0 PID: 8774 Comm: syz-executor.2 Not tainted 5.15.113-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/16/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 check_noncircular+0x2f8/0x3b0 kernel/locking/lockdep.c:2133 check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain+0x1646/0x58b0 kernel/locking/lockdep.c:3787 __lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5011 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5622 __mutex_lock_common+0x1da/0x25a0 kernel/locking/mutex.c:596 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743 map_mft_record+0x4a/0x850 fs/ntfs/mft.c:154 ntfs_map_runlist_nolock+0x44b/0x1770 fs/ntfs/attrib.c:91 ntfs_map_runlist+0x7e/0xa0 fs/ntfs/attrib.c:292 ntfs_read_block fs/ntfs/aops.c:283 [inline] ntfs_readpage+0x1459/0x2210 fs/ntfs/aops.c:435 do_read_cache_page+0x752/0x1040 read_mapping_page include/linux/pagemap.h:515 [inline] ntfs_map_page+0x25/0x390 fs/ntfs/aops.h:75 ntfs_lookup_inode_by_name+0xf5f/0x3200 fs/ntfs/dir.c:308 ntfs_lookup+0x1d9/0xdf0 fs/ntfs/namei.c:111 lookup_open fs/namei.c:3370 [inline] open_last_lookups fs/namei.c:3462 [inline] path_openat+0x110e/0x2f20 fs/namei.c:3669 do_filp_open+0x21c/0x460 fs/namei.c:3699 do_sys_openat2+0x13b/0x500 fs/open.c:1211 do_sys_open fs/open.c:1227 [inline] __do_sys_openat fs/open.c:1243 [inline] __se_sys_openat fs/open.c:1238 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1238 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7ff35fb99169 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ff35e10b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007ff35fcb8f80 RCX: 00007ff35fb99169 RDX: 000000000000275a RSI: 0000000020000100 RDI: ffffffffffffff9c RBP: 00007ff35fbf4ca1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe4dc4590f R14: 00007ff35e10b300 R15: 0000000000022000