ntfs3: loop4: failed to convert "0080" to macinuit ntfs3: loop4: failed to convert name for inode 1e. ====================================================== WARNING: possible circular locking dependency detected 6.11.0-syzkaller-12113-ge7ed34365879 #0 Not tainted ------------------------------------------------------ syz-executor/6411 is trying to acquire lock: ffff888054ef6f28 (&ni->ni_lock#2){+.+.}-{3:3}, at: ntfs_set_state+0x1ff/0x6c0 fs/ntfs3/fsntfs.c:947 but task is already holding lock: ffff8880630c8fb0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1109 [inline] ffff8880630c8fb0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_unlink_inode+0x32b/0x840 fs/ntfs3/inode.c:1757 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&ni->ni_lock/4){+.+.}-{3:3}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 __mutex_lock_common kernel/locking/mutex.c:608 [inline] __mutex_lock+0x136/0xd70 kernel/locking/mutex.c:752 ni_lock fs/ntfs3/ntfs_fs.h:1109 [inline] mi_read+0x2e1/0x5a0 fs/ntfs3/record.c:148 ntfs_read_mft fs/ntfs3/inode.c:70 [inline] ntfs_iget5+0x482/0x3940 fs/ntfs3/inode.c:537 ni_update_parent+0x943/0xdd0 fs/ntfs3/frecord.c:3286 ni_write_inode+0xd9a/0x1010 fs/ntfs3/frecord.c:3392 ntfs_truncate fs/ntfs3/file.c:472 [inline] ntfs3_setattr+0x962/0xb80 fs/ntfs3/file.c:774 notify_change+0xbca/0xe90 fs/attr.c:503 do_truncate+0x220/0x310 fs/open.c:65 handle_truncate fs/namei.c:3395 [inline] do_open fs/namei.c:3778 [inline] path_openat+0x2e1e/0x3590 fs/namei.c:3933 do_filp_open+0x235/0x490 fs/namei.c:3960 do_sys_openat2+0x13e/0x1d0 fs/open.c:1415 do_sys_open fs/open.c:1430 [inline] __do_sys_openat fs/open.c:1446 [inline] __se_sys_openat fs/open.c:1441 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1441 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #0 (&ni->ni_lock#2){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3161 [inline] check_prevs_add kernel/locking/lockdep.c:3280 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3904 __lock_acquire+0x1384/0x2050 kernel/locking/lockdep.c:5202 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 __mutex_lock_common kernel/locking/mutex.c:608 [inline] __mutex_lock+0x136/0xd70 kernel/locking/mutex.c:752 ntfs_set_state+0x1ff/0x6c0 fs/ntfs3/fsntfs.c:947 ni_remove_name+0x2c0/0x9b0 fs/ntfs3/frecord.c:2994 ntfs_unlink_inode+0x40c/0x840 fs/ntfs3/inode.c:1769 ntfs_rmdir+0xbc/0xf0 fs/ntfs3/namei.c:224 vfs_rmdir+0x3a3/0x510 fs/namei.c:4340 do_rmdir+0x3b5/0x580 fs/namei.c:4399 __do_sys_unlinkat fs/namei.c:4575 [inline] __se_sys_unlinkat fs/namei.c:4569 [inline] __x64_sys_unlinkat+0xde/0xf0 fs/namei.c:4569 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ni->ni_lock/4); lock(&ni->ni_lock#2); lock(&ni->ni_lock/4); lock(&ni->ni_lock#2); *** DEADLOCK *** 5 locks held by syz-executor/6411: #0: ffff888030a4a420 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:515 #1: ffff8880630c8af0 (&type->i_mutex_dir_key#9/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:850 [inline] #1: ffff8880630c8af0 (&type->i_mutex_dir_key#9/1){+.+.}-{3:3}, at: do_rmdir+0x263/0x580 fs/namei.c:4387 #2: ffff8880630c9248 (&type->i_mutex_dir_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline] #2: ffff8880630c9248 (&type->i_mutex_dir_key#9){++++}-{3:3}, at: vfs_rmdir+0x101/0x510 fs/namei.c:4329 #3: ffff8880630c8858 (&ni->ni_lock#2/5){+.+.}-{3:3}, at: ni_lock_dir fs/ntfs3/ntfs_fs.h:1114 [inline] #3: ffff8880630c8858 (&ni->ni_lock#2/5){+.+.}-{3:3}, at: ntfs_rmdir+0xb1/0xf0 fs/ntfs3/namei.c:222 #4: ffff8880630c8fb0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1109 [inline] #4: ffff8880630c8fb0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_unlink_inode+0x32b/0x840 fs/ntfs3/inode.c:1757 stack backtrace: CPU: 0 UID: 0 PID: 6411 Comm: syz-executor Not tainted 6.11.0-syzkaller-12113-ge7ed34365879 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_circular_bug+0x13a/0x1b0 kernel/locking/lockdep.c:2074 check_noncircular+0x36a/0x4a0 kernel/locking/lockdep.c:2206 check_prev_add kernel/locking/lockdep.c:3161 [inline] check_prevs_add kernel/locking/lockdep.c:3280 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3904 __lock_acquire+0x1384/0x2050 kernel/locking/lockdep.c:5202 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 __mutex_lock_common kernel/locking/mutex.c:608 [inline] __mutex_lock+0x136/0xd70 kernel/locking/mutex.c:752 ntfs_set_state+0x1ff/0x6c0 fs/ntfs3/fsntfs.c:947 ni_remove_name+0x2c0/0x9b0 fs/ntfs3/frecord.c:2994 ntfs_unlink_inode+0x40c/0x840 fs/ntfs3/inode.c:1769 ntfs_rmdir+0xbc/0xf0 fs/ntfs3/namei.c:224 vfs_rmdir+0x3a3/0x510 fs/namei.c:4340 do_rmdir+0x3b5/0x580 fs/namei.c:4399 __do_sys_unlinkat fs/namei.c:4575 [inline] __se_sys_unlinkat fs/namei.c:4569 [inline] __x64_sys_unlinkat+0xde/0xf0 fs/namei.c:4569 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f11c6f7d5d7 Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 07 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe17831998 EFLAGS: 00000207 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007f11c6f7d5d7 RDX: 0000000000000200 RSI: 00007ffe17832b40 RDI: 00000000ffffff9c RBP: 00007f11c6ff0134 R08: 00005555595326ab R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000207 R12: 00007ffe17832b40 R13: 00007f11c6ff0134 R14: 0000000000028dbd R15: 00007ffe17835de0