loop5: detected capacity change from 0 to 4096 ntfs3: loop5: Mark volume as dirty due to NTFS errors ====================================================== WARNING: possible circular locking dependency detected 6.1.41-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.5/20170 is trying to acquire lock: ffff88802ef62120 (&wnd->rw_lock/1){+.+.}-{3:3}, at: ntfs_mark_rec_free+0x3b/0x2b0 fs/ntfs3/fsntfs.c:713 but task is already holding lock: ffff888034d9a5e0 (&ni->ni_lock){+.+.}-{3:3}, at: ni_trylock fs/ntfs3/ntfs_fs.h:1124 [inline] ffff888034d9a5e0 (&ni->ni_lock){+.+.}-{3:3}, at: ni_write_inode+0x151/0x1240 fs/ntfs3/frecord.c:3240 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&ni->ni_lock){+.+.}-{3:3}: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5669 __mutex_lock_common+0x1d4/0x2520 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:799 ntfs_set_state+0x217/0x6f0 fs/ntfs3/fsntfs.c:920 attr_set_size+0x32e5/0x42f0 fs/ntfs3/attrib.c:880 ntfs_extend_mft+0x2f6/0x4b0 fs/ntfs3/fsntfs.c:498 ntfs_look_free_mft+0x439/0x10c0 fs/ntfs3/fsntfs.c:561 ni_create_attr_list+0x9d0/0x1510 fs/ntfs3/frecord.c:873 ni_ins_attr_ext+0x330/0xbf0 fs/ntfs3/frecord.c:968 ni_insert_attr+0x354/0x900 fs/ntfs3/frecord.c:1135 ni_insert_resident+0xf4/0x3c0 fs/ntfs3/frecord.c:1519 ntfs_set_ea+0xab8/0x1660 fs/ntfs3/xattr.c:434 ntfs_save_wsl_perm+0x139/0x490 fs/ntfs3/xattr.c:965 ntfs3_setattr+0x961/0xb70 fs/ntfs3/file.c:817 notify_change+0xdcd/0x1080 fs/attr.c:482 chown_common+0x5aa/0x900 fs/open.c:736 do_fchownat+0x169/0x240 fs/open.c:767 __do_sys_chown fs/open.c:787 [inline] __se_sys_chown fs/open.c:785 [inline] __x64_sys_chown+0x7e/0x90 fs/open.c:785 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+0x63/0xcd -> #1 (&ni->file.run_lock#2){++++}-{3:3}: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5669 down_write+0x36/0x60 kernel/locking/rwsem.c:1573 ntfs_extend_mft+0x15c/0x4b0 fs/ntfs3/fsntfs.c:482 ntfs_look_free_mft+0x439/0x10c0 fs/ntfs3/fsntfs.c:561 ni_create_attr_list+0x9d0/0x1510 fs/ntfs3/frecord.c:873 ni_ins_attr_ext+0x330/0xbf0 fs/ntfs3/frecord.c:968 ni_insert_attr+0x354/0x900 fs/ntfs3/frecord.c:1135 ni_insert_resident+0xf4/0x3c0 fs/ntfs3/frecord.c:1519 ntfs_set_ea+0xab8/0x1660 fs/ntfs3/xattr.c:434 ntfs_save_wsl_perm+0x139/0x490 fs/ntfs3/xattr.c:965 ntfs3_setattr+0x961/0xb70 fs/ntfs3/file.c:817 notify_change+0xdcd/0x1080 fs/attr.c:482 chown_common+0x5aa/0x900 fs/open.c:736 do_fchownat+0x169/0x240 fs/open.c:767 __do_sys_chown fs/open.c:787 [inline] __se_sys_chown fs/open.c:785 [inline] __x64_sys_chown+0x7e/0x90 fs/open.c:785 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+0x63/0xcd -> #0 (&wnd->rw_lock/1){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3098 [inline] check_prevs_add kernel/locking/lockdep.c:3217 [inline] validate_chain+0x1667/0x58e0 kernel/locking/lockdep.c:3832 __lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5056 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5669 down_write_nested+0x39/0x60 kernel/locking/rwsem.c:1689 ntfs_mark_rec_free+0x3b/0x2b0 fs/ntfs3/fsntfs.c:713 ni_write_inode+0x433/0x1240 fs/ntfs3/frecord.c:3332 write_inode fs/fs-writeback.c:1443 [inline] __writeback_single_inode+0x67d/0x11e0 fs/fs-writeback.c:1655 writeback_single_inode+0x22c/0x960 fs/fs-writeback.c:1711 sync_inode_metadata+0xc8/0x130 fs/fs-writeback.c:2767 __generic_file_fsync+0x13b/0x190 fs/libfs.c:1143 generic_file_fsync+0x6f/0xe0 fs/libfs.c:1173 vfs_fsync_range fs/sync.c:188 [inline] vfs_fsync fs/sync.c:202 [inline] do_fsync fs/sync.c:212 [inline] __do_sys_fdatasync fs/sync.c:225 [inline] __se_sys_fdatasync fs/sync.c:223 [inline] __x64_sys_fdatasync+0xb1/0x100 fs/sync.c:223 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+0x63/0xcd other info that might help us debug this: Chain exists of: &wnd->rw_lock/1 --> &ni->file.run_lock#2 --> &ni->ni_lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ni->ni_lock); lock(&ni->file.run_lock#2); lock(&ni->ni_lock); lock(&wnd->rw_lock/1); *** DEADLOCK *** 2 locks held by syz-executor.5/20170: #0: ffff888034d9a880 (&type->i_mutex_dir_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #0: ffff888034d9a880 (&type->i_mutex_dir_key#9){++++}-{3:3}, at: __generic_file_fsync+0x96/0x190 fs/libfs.c:1136 #1: ffff888034d9a5e0 (&ni->ni_lock){+.+.}-{3:3}, at: ni_trylock fs/ntfs3/ntfs_fs.h:1124 [inline] #1: ffff888034d9a5e0 (&ni->ni_lock){+.+.}-{3:3}, at: ni_write_inode+0x151/0x1240 fs/ntfs3/frecord.c:3240 stack backtrace: CPU: 0 PID: 20170 Comm: syz-executor.5 Not tainted 6.1.41-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 check_noncircular+0x2fa/0x3b0 kernel/locking/lockdep.c:2178 check_prev_add kernel/locking/lockdep.c:3098 [inline] check_prevs_add kernel/locking/lockdep.c:3217 [inline] validate_chain+0x1667/0x58e0 kernel/locking/lockdep.c:3832 __lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5056 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5669 down_write_nested+0x39/0x60 kernel/locking/rwsem.c:1689 ntfs_mark_rec_free+0x3b/0x2b0 fs/ntfs3/fsntfs.c:713 ni_write_inode+0x433/0x1240 fs/ntfs3/frecord.c:3332 write_inode fs/fs-writeback.c:1443 [inline] __writeback_single_inode+0x67d/0x11e0 fs/fs-writeback.c:1655 writeback_single_inode+0x22c/0x960 fs/fs-writeback.c:1711 sync_inode_metadata+0xc8/0x130 fs/fs-writeback.c:2767 __generic_file_fsync+0x13b/0x190 fs/libfs.c:1143 generic_file_fsync+0x6f/0xe0 fs/libfs.c:1173 vfs_fsync_range fs/sync.c:188 [inline] vfs_fsync fs/sync.c:202 [inline] do_fsync fs/sync.c:212 [inline] __do_sys_fdatasync fs/sync.c:225 [inline] __se_sys_fdatasync fs/sync.c:223 [inline] __x64_sys_fdatasync+0xb1/0x100 fs/sync.c:223 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+0x63/0xcd RIP: 0033:0x7fd79fe7cb29 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:00007fd7a0c760c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004b RAX: ffffffffffffffda RBX: 00007fd79ff9bf80 RCX: 00007fd79fe7cb29 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 00007fd79fec847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fd79ff9bf80 R15: 00007ffe774f4898