ntfs3: loop2: Mark volume as dirty due to NTFS errors ntfs3: loop2: Failed to load $Extend (-22). ntfs3: loop2: Failed to initialize $Extend. ====================================================== WARNING: possible circular locking dependency detected 6.10.0-syzkaller-04472-g51835949dda3 #0 Not tainted ------------------------------------------------------ syz.2.266/7742 is trying to acquire lock: ffff88802dee1e18 (&mm->mmap_lock){++++}-{3:3}, at: __might_fault+0xaa/0x120 mm/memory.c:6234 but task is already holding lock: ffff8880610af730 (&ni->file.run_lock#3){++++}-{3:3}, at: ni_fiemap+0x373/0x1230 fs/ntfs3/frecord.c:1961 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&ni->file.run_lock#3){++++}-{3:3}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5753 down_write+0x99/0x220 kernel/locking/rwsem.c:1579 ntfs_truncate fs/ntfs3/file.c:395 [inline] ntfs3_setattr+0x6d3/0xb80 fs/ntfs3/file.c:712 notify_change+0xb9d/0xe70 fs/attr.c:495 do_truncate+0x220/0x310 fs/open.c:65 handle_truncate fs/namei.c:3381 [inline] do_open fs/namei.c:3731 [inline] path_openat+0x2ced/0x3470 fs/namei.c:3886 do_filp_open+0x235/0x490 fs/namei.c:3913 do_sys_openat2+0x13e/0x1d0 fs/open.c:1416 do_sys_open fs/open.c:1431 [inline] __do_sys_creat fs/open.c:1507 [inline] __se_sys_creat fs/open.c:1501 [inline] __x64_sys_creat+0x123/0x170 fs/open.c:1501 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 -> #2 (&ni->ni_lock/4){+.+.}-{3:3}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5753 __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:1123 [inline] ntfs_fallocate+0x836/0x12a0 fs/ntfs3/file.c:556 vfs_fallocate+0x553/0x6c0 fs/open.c:334 ksys_fallocate fs/open.c:357 [inline] __do_sys_fallocate fs/open.c:365 [inline] __se_sys_fallocate fs/open.c:363 [inline] __x64_sys_fallocate+0xbd/0x110 fs/open.c:363 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 -> #1 (mapping.invalidate_lock#8){++++}-{3:3}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5753 down_read+0xb1/0xa40 kernel/locking/rwsem.c:1526 filemap_invalidate_lock_shared include/linux/fs.h:854 [inline] filemap_fault+0x658/0x1760 mm/filemap.c:3302 __do_fault+0x135/0x460 mm/memory.c:4556 do_read_fault mm/memory.c:4921 [inline] do_fault mm/memory.c:5051 [inline] do_pte_missing mm/memory.c:3897 [inline] handle_pte_fault+0x3d15/0x7090 mm/memory.c:5381 __handle_mm_fault mm/memory.c:5524 [inline] handle_mm_fault+0xfb0/0x19d0 mm/memory.c:5689 do_user_addr_fault arch/x86/mm/fault.c:1389 [inline] handle_page_fault arch/x86/mm/fault.c:1481 [inline] exc_page_fault+0x2b9/0x8c0 arch/x86/mm/fault.c:1539 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 fault_in_readable+0x165/0x2b0 fault_in_iov_iter_readable+0x229/0x280 lib/iov_iter.c:94 generic_perform_write+0x220/0x640 mm/filemap.c:4006 ntfs_file_write_iter+0x68f/0x770 fs/ntfs3/file.c:1129 new_sync_write fs/read_write.c:497 [inline] vfs_write+0xa72/0xc90 fs/read_write.c:590 ksys_write+0x1a0/0x2c0 fs/read_write.c:643 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 (&mm->mmap_lock){++++}-{3:3}: check_prev_add kernel/locking/lockdep.c:3133 [inline] check_prevs_add kernel/locking/lockdep.c:3252 [inline] validate_chain+0x18e0/0x5900 kernel/locking/lockdep.c:3868 __lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5136 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5753 __might_fault+0xc6/0x120 mm/memory.c:6234 _copy_to_user+0x2a/0xb0 lib/usercopy.c:41 copy_to_user include/linux/uaccess.h:191 [inline] fiemap_fill_next_extent+0x235/0x410 fs/ioctl.c:145 ni_fiemap+0x9b2/0x1230 fs/ntfs3/frecord.c:2044 ntfs_fiemap+0x132/0x180 fs/ntfs3/file.c:1215 ioctl_fiemap fs/ioctl.c:220 [inline] do_vfs_ioctl+0x1c07/0x2e50 fs/ioctl.c:841 __do_sys_ioctl fs/ioctl.c:905 [inline] __se_sys_ioctl+0x81/0x170 fs/ioctl.c:893 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: Chain exists of: &mm->mmap_lock --> &ni->ni_lock/4 --> &ni->file.run_lock#3 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- rlock(&ni->file.run_lock#3); lock(&ni->ni_lock/4); lock(&ni->file.run_lock#3); rlock(&mm->mmap_lock); *** DEADLOCK *** 2 locks held by syz.2.266/7742: #0: ffff8880610af680 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1123 [inline] #0: ffff8880610af680 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_fiemap+0xff/0x180 fs/ntfs3/file.c:1213 #1: ffff8880610af730 (&ni->file.run_lock#3){++++}-{3:3}, at: ni_fiemap+0x373/0x1230 fs/ntfs3/frecord.c:1961 stack backtrace: CPU: 0 PID: 7742 Comm: syz.2.266 Not tainted 6.10.0-syzkaller-04472-g51835949dda3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 check_noncircular+0x36a/0x4a0 kernel/locking/lockdep.c:2186 check_prev_add kernel/locking/lockdep.c:3133 [inline] check_prevs_add kernel/locking/lockdep.c:3252 [inline] validate_chain+0x18e0/0x5900 kernel/locking/lockdep.c:3868 __lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5136 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5753 __might_fault+0xc6/0x120 mm/memory.c:6234 _copy_to_user+0x2a/0xb0 lib/usercopy.c:41 copy_to_user include/linux/uaccess.h:191 [inline] fiemap_fill_next_extent+0x235/0x410 fs/ioctl.c:145 ni_fiemap+0x9b2/0x1230 fs/ntfs3/frecord.c:2044 ntfs_fiemap+0x132/0x180 fs/ntfs3/file.c:1215 ioctl_fiemap fs/ioctl.c:220 [inline] do_vfs_ioctl+0x1c07/0x2e50 fs/ioctl.c:841 __do_sys_ioctl fs/ioctl.c:905 [inline] __se_sys_ioctl+0x81/0x170 fs/ioctl.c:893 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: 0033:0x7fb024375ad9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb025167048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fb024503f60 RCX: 00007fb024375ad9 RDX: 0000000020000280 RSI: 00000000c020660b RDI: 0000000000000005 RBP: 00007fb0243e4e5d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fb024503f60 R15: 00007fff7744be18