ntfs3: loop3: Different NTFS sector size (2048) and media sector size (512).
ntfs3: loop3: Mark volume as dirty due to NTFS errors
ntfs3: loop3: Failed to load $Extend (-22).
ntfs3: loop3: Failed to initialize $Extend.
======================================================
WARNING: possible circular locking dependency detected
6.10.0-rc3-next-20240611-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor.3/10422 is trying to acquire lock:
ffff88805d648af0 (&sb->s_type->i_mutex_key#28){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:795 [inline]
ffff88805d648af0 (&sb->s_type->i_mutex_key#28){+.+.}-{3:3}, at: ntfs_file_mmap+0x5d8/0x860 fs/ntfs3/file.c:302

but task is already holding lock:
ffff88802f70e098 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:122 [inline]
ffff88802f70e098 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x17c/0x3d0 mm/util.c:571

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #1 (&mm->mmap_lock){++++}-{3:3}:
       lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5817
       down_read_killable+0xca/0xd30 kernel/locking/rwsem.c:1549
       mmap_read_lock_killable+0x1d/0x70 include/linux/mmap_lock.h:153
       get_mmap_lock_carefully mm/memory.c:5846 [inline]
       lock_mm_and_find_vma+0x29c/0x2f0 mm/memory.c:5897
       do_user_addr_fault arch/x86/mm/fault.c:1361 [inline]
       handle_page_fault arch/x86/mm/fault.c:1481 [inline]
       exc_page_fault+0x1bf/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:1126
       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 (&sb->s_type->i_mutex_key#28){+.+.}-{3:3}:
       check_prev_add kernel/locking/lockdep.c:3159 [inline]
       check_prevs_add kernel/locking/lockdep.c:3278 [inline]
       validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3902
       __lock_acquire+0x1359/0x2000 kernel/locking/lockdep.c:5194
       lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5817
       down_write+0x3a/0x50 kernel/locking/rwsem.c:1579
       inode_lock include/linux/fs.h:795 [inline]
       ntfs_file_mmap+0x5d8/0x860 fs/ntfs3/file.c:302
       call_mmap include/linux/fs.h:2123 [inline]
       mmap_region+0xe8f/0x2090 mm/mmap.c:2927
       do_mmap+0x8ad/0xfa0 mm/mmap.c:1438
       vm_mmap_pgoff+0x1dd/0x3d0 mm/util.c:573
       ksys_mmap_pgoff+0x4f1/0x720 mm/mmap.c:1484
       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(&mm->mmap_lock);
                               lock(&sb->s_type->i_mutex_key#28);
                               lock(&mm->mmap_lock);
  lock(&sb->s_type->i_mutex_key#28);

 *** DEADLOCK ***

1 lock held by syz-executor.3/10422:
 #0: ffff88802f70e098 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:122 [inline]
 #0: ffff88802f70e098 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x17c/0x3d0 mm/util.c:571

stack backtrace:
CPU: 0 PID: 10422 Comm: syz-executor.3 Not tainted 6.10.0-rc3-next-20240611-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:91 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:117
 print_circular_bug+0x13a/0x1b0 kernel/locking/lockdep.c:2075
 check_noncircular+0x36a/0x4a0 kernel/locking/lockdep.c:2204
 check_prev_add kernel/locking/lockdep.c:3159 [inline]
 check_prevs_add kernel/locking/lockdep.c:3278 [inline]
 validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3902
 __lock_acquire+0x1359/0x2000 kernel/locking/lockdep.c:5194
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5817
 down_write+0x3a/0x50 kernel/locking/rwsem.c:1579
 inode_lock include/linux/fs.h:795 [inline]
 ntfs_file_mmap+0x5d8/0x860 fs/ntfs3/file.c:302
 call_mmap include/linux/fs.h:2123 [inline]
 mmap_region+0xe8f/0x2090 mm/mmap.c:2927
 do_mmap+0x8ad/0xfa0 mm/mmap.c:1438
 vm_mmap_pgoff+0x1dd/0x3d0 mm/util.c:573
 ksys_mmap_pgoff+0x4f1/0x720 mm/mmap.c:1484
 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: 0033:0x7fc5db07cea9
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:00007fc5dbd640c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fc5db1b3f80 RCX: 00007fc5db07cea9
RDX: 00000000007ffffe RSI: 0000000000001000 RDI: 0000000020478000
RBP: 00007fc5db0ebff4 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000004002011 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fc5db1b3f80 R15: 00007fff8c8fddf8
 </TASK>