loop4: detected capacity change from 0 to 4096 ntfs3: loop4: Different NTFS sector size (2048) and media sector size (512). ntfs3: loop4: ino=0, attr_set_size ====================================================== WARNING: possible circular locking dependency detected 6.6.0-rc1-syzkaller-00240-gf0b0d403eabb #0 Not tainted ------------------------------------------------------ syz-executor.4/10905 is trying to acquire lock: ffff888076919720 (&ni->ni_lock){+.+.}-{3:3}, at: ntfs_set_state+0x212/0x730 fs/ntfs3/fsntfs.c:946 but task is already holding lock: ffff88807691f050 (&ni->file.run_lock#2){++++}-{3:3}, at: ntfs_extend_mft+0x160/0x4b0 fs/ntfs3/fsntfs.c:511 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&ni->file.run_lock#2){++++}-{3:3}: down_read+0x47/0x2f0 kernel/locking/rwsem.c:1520 mi_read+0x181/0x5a0 fs/ntfs3/record.c:129 ntfs_read_mft fs/ntfs3/inode.c:70 [inline] ntfs_iget5+0x47d/0x38e0 fs/ntfs3/inode.c:532 ni_update_parent+0x806/0xc80 fs/ntfs3/frecord.c:3212 ni_write_inode+0xe48/0x1080 fs/ntfs3/frecord.c:3312 ntfs_truncate fs/ntfs3/file.c:407 [inline] ntfs3_setattr+0x725/0xae0 fs/ntfs3/file.c:682 notify_change+0xb99/0xe60 fs/attr.c:499 do_truncate+0x220/0x300 fs/open.c:66 do_sys_ftruncate+0x2f3/0x390 fs/open.c:194 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd -> #0 (&ni->ni_lock){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3134 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain kernel/locking/lockdep.c:3868 [inline] __lock_acquire+0x39ff/0x7f70 kernel/locking/lockdep.c:5136 lock_acquire+0x1e3/0x520 kernel/locking/lockdep.c:5753 __mutex_lock_common+0x1d8/0x2530 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x1b/0x20 kernel/locking/mutex.c:799 ntfs_set_state+0x212/0x730 fs/ntfs3/fsntfs.c:946 attr_set_size+0x3311/0x4290 fs/ntfs3/attrib.c:866 ntfs_extend_mft+0x2fa/0x4b0 fs/ntfs3/fsntfs.c:527 ntfs_look_free_mft+0x43d/0x10c0 fs/ntfs3/fsntfs.c:590 ni_create_attr_list+0x9bd/0x1480 fs/ntfs3/frecord.c:876 ni_ins_attr_ext+0x365/0xbe0 fs/ntfs3/frecord.c:974 ni_insert_attr+0x358/0x900 fs/ntfs3/frecord.c:1141 ni_insert_resident+0xf8/0x3c0 fs/ntfs3/frecord.c:1525 ntfs_set_ea+0xabc/0x16c0 fs/ntfs3/xattr.c:437 ntfs_save_wsl_perm+0x14f/0x500 fs/ntfs3/xattr.c:946 ntfs3_setattr+0x916/0xae0 fs/ntfs3/file.c:708 notify_change+0xb99/0xe60 fs/attr.c:499 chown_common+0x500/0x850 fs/open.c:783 do_fchownat+0x16d/0x240 fs/open.c:814 __do_sys_lchown fs/open.c:839 [inline] __se_sys_lchown fs/open.c:837 [inline] __x64_sys_lchown+0x85/0x90 fs/open.c:837 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ni->file.run_lock#2); lock(&ni->ni_lock); lock(&ni->file.run_lock#2); lock(&ni->ni_lock); *** DEADLOCK *** 5 locks held by syz-executor.4/10905: #0: ffff888036c60410 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:403 #1: ffff888076b2e380 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline] #1: ffff888076b2e380 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: chown_common+0x3e0/0x850 fs/open.c:773 #2: ffff888076b2e0e0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1124 [inline] #2: ffff888076b2e0e0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_save_wsl_perm+0x8f/0x500 fs/ntfs3/xattr.c:944 #3: ffff88801e846120 (&wnd->rw_lock/1){+.+.}-{3:3}, at: ntfs_look_free_mft+0x1e5/0x10c0 fs/ntfs3/fsntfs.c:571 #4: ffff88807691f050 (&ni->file.run_lock#2){++++}-{3:3}, at: ntfs_extend_mft+0x160/0x4b0 fs/ntfs3/fsntfs.c:511 stack backtrace: CPU: 0 PID: 10905 Comm: syz-executor.4 Not tainted 6.6.0-rc1-syzkaller-00240-gf0b0d403eabb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 check_noncircular+0x375/0x4a0 kernel/locking/lockdep.c:2187 check_prev_add kernel/locking/lockdep.c:3134 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain kernel/locking/lockdep.c:3868 [inline] __lock_acquire+0x39ff/0x7f70 kernel/locking/lockdep.c:5136 lock_acquire+0x1e3/0x520 kernel/locking/lockdep.c:5753 __mutex_lock_common+0x1d8/0x2530 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x1b/0x20 kernel/locking/mutex.c:799 ntfs_set_state+0x212/0x730 fs/ntfs3/fsntfs.c:946 attr_set_size+0x3311/0x4290 fs/ntfs3/attrib.c:866 ntfs_extend_mft+0x2fa/0x4b0 fs/ntfs3/fsntfs.c:527 ntfs_look_free_mft+0x43d/0x10c0 fs/ntfs3/fsntfs.c:590 ni_create_attr_list+0x9bd/0x1480 fs/ntfs3/frecord.c:876 ni_ins_attr_ext+0x365/0xbe0 fs/ntfs3/frecord.c:974 ni_insert_attr+0x358/0x900 fs/ntfs3/frecord.c:1141 ni_insert_resident+0xf8/0x3c0 fs/ntfs3/frecord.c:1525 ntfs_set_ea+0xabc/0x16c0 fs/ntfs3/xattr.c:437 ntfs_save_wsl_perm+0x14f/0x500 fs/ntfs3/xattr.c:946 ntfs3_setattr+0x916/0xae0 fs/ntfs3/file.c:708 notify_change+0xb99/0xe60 fs/attr.c:499 chown_common+0x500/0x850 fs/open.c:783 do_fchownat+0x16d/0x240 fs/open.c:814 __do_sys_lchown fs/open.c:839 [inline] __se_sys_lchown fs/open.c:837 [inline] __x64_sys_lchown+0x85/0x90 fs/open.c:837 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f9cb627cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f9cb70160c8 EFLAGS: 00000246 ORIG_RAX: 000000000000005e RAX: ffffffffffffffda RBX: 00007f9cb639bf80 RCX: 00007f9cb627cae9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 RBP: 00007f9cb62c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f9cb639bf80 R15: 00007fff70e13f28 ntfs3: loop4: Mark volume as dirty due to NTFS errors