======================================================
WARNING: possible circular locking dependency detected
6.1.76-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor.4/32376 is trying to acquire lock:
ffff888070fbb4a0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1111 [inline]
ffff888070fbb4a0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_fallocate+0x539/0x1020 fs/ntfs3/file.c:601
but task is already holding lock:
ffff888070fbb8e0 (mapping.invalidate_lock#9){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:801 [inline]
ffff888070fbb8e0 (mapping.invalidate_lock#9){++++}-{3:3}, at: ntfs_fallocate+0x33e/0x1020 fs/ntfs3/file.c:583
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #3 (mapping.invalidate_lock#9){++++}-{3:3}:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
down_read+0xad/0xa30 kernel/locking/rwsem.c:1520
filemap_invalidate_lock_shared include/linux/fs.h:811 [inline]
filemap_fault+0x640/0x17e0 mm/filemap.c:3191
__do_fault+0x136/0x4f0 mm/memory.c:4241
do_read_fault mm/memory.c:4592 [inline]
do_fault mm/memory.c:4721 [inline]
handle_pte_fault mm/memory.c:4993 [inline]
__handle_mm_fault mm/memory.c:5135 [inline]
handle_mm_fault+0x3412/0x5340 mm/memory.c:5256
do_user_addr_fault arch/x86/mm/fault.c:1380 [inline]
handle_page_fault arch/x86/mm/fault.c:1471 [inline]
exc_page_fault+0x26f/0x660 arch/x86/mm/fault.c:1527
asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570
fault_in_readable+0x1c8/0x340
fault_in_iov_iter_readable+0xdb/0x270 lib/iov_iter.c:356
generic_perform_write+0x207/0x5e0 mm/filemap.c:3807
__generic_file_write_iter+0x176/0x400 mm/filemap.c:3945
ntfs_file_write_iter+0x5fa/0x6d0 fs/ntfs3/file.c:1164
call_write_iter include/linux/fs.h:2249 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x7ae/0xba0 fs/read_write.c:584
ksys_write+0x19c/0x2c0 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x63/0xcd
-> #2 (&mm->mmap_lock){++++}-{3:3}:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
__might_fault+0xbd/0x110 mm/memory.c:5811
_copy_to_user+0x26/0x130 lib/usercopy.c:36
copy_to_user include/linux/uaccess.h:169 [inline]
fiemap_fill_next_extent+0x231/0x410 fs/ioctl.c:144
ni_fiemap+0xa5a/0x1230 fs/ntfs3/frecord.c:2066
ntfs_fiemap+0x12e/0x170 fs/ntfs3/file.c:1245
ioctl_fiemap fs/ioctl.c:219 [inline]
do_vfs_ioctl+0x18e9/0x2a90 fs/ioctl.c:810
__do_sys_ioctl fs/ioctl.c:868 [inline]
__se_sys_ioctl+0x81/0x160 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x63/0xcd
-> #1 (&ni->file.run_lock#3){++++}-{3:3}:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
down_write+0x36/0x60 kernel/locking/rwsem.c:1573
ntfs_truncate fs/ntfs3/file.c:493 [inline]
ntfs3_setattr+0x55c/0xb70 fs/ntfs3/file.c:792
notify_change+0xce3/0xfc0 fs/attr.c:499
do_truncate+0x21c/0x300 fs/open.c:65
handle_truncate fs/namei.c:3287 [inline]
do_open fs/namei.c:3632 [inline]
path_openat+0x27e2/0x2e60 fs/namei.c:3785
do_filp_open+0x230/0x480 fs/namei.c:3812
do_sys_openat2+0x13b/0x500 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_creat fs/open.c:1410 [inline]
__se_sys_creat fs/open.c:1404 [inline]
__x64_sys_creat+0x11f/0x160 fs/open.c:1404
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x63/0xcd
-> #0 (&ni->ni_lock/4){+.+.}-{3:3}:
check_prev_add kernel/locking/lockdep.c:3090 [inline]
check_prevs_add kernel/locking/lockdep.c:3209 [inline]
validate_chain+0x1661/0x5950 kernel/locking/lockdep.c:3825
__lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5049
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
__mutex_lock_common kernel/locking/mutex.c:603 [inline]
__mutex_lock+0x132/0xd80 kernel/locking/mutex.c:747
ni_lock fs/ntfs3/ntfs_fs.h:1111 [inline]
ntfs_fallocate+0x539/0x1020 fs/ntfs3/file.c:601
vfs_fallocate+0x547/0x6b0 fs/open.c:323
do_vfs_ioctl+0x222c/0x2a90 fs/ioctl.c:849
__do_sys_ioctl fs/ioctl.c:868 [inline]
__se_sys_ioctl+0x81/0x160 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x63/0xcd
other info that might help us debug this:
Chain exists of:
&ni->ni_lock/4 --> &mm->mmap_lock --> mapping.invalidate_lock#9
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(mapping.invalidate_lock#9);
lock(&mm->mmap_lock);
lock(mapping.invalidate_lock#9);
lock(&ni->ni_lock/4);
*** DEADLOCK ***
3 locks held by syz-executor.4/32376:
#0: ffff88801ab98460 (sb_writers#19){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2994 [inline]
#0: ffff88801ab98460 (sb_writers#19){.+.+}-{0:0}, at: vfs_fallocate+0x4ba/0x6b0 fs/open.c:322
#1: ffff888070fbb740 (&sb->s_type->i_mutex_key#26){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#1: ffff888070fbb740 (&sb->s_type->i_mutex_key#26){+.+.}-{3:3}, at: ntfs_fallocate+0x2a0/0x1020 fs/ntfs3/file.c:569
#2: ffff888070fbb8e0 (mapping.invalidate_lock#9){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:801 [inline]
#2: ffff888070fbb8e0 (mapping.invalidate_lock#9){++++}-{3:3}, at: ntfs_fallocate+0x33e/0x1020 fs/ntfs3/file.c:583
stack backtrace:
CPU: 0 PID: 32376 Comm: syz-executor.4 Not tainted 6.1.76-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Call Trace:
<TASK>
__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:2170
check_prev_add kernel/locking/lockdep.c:3090 [inline]
check_prevs_add kernel/locking/lockdep.c:3209 [inline]
validate_chain+0x1661/0x5950 kernel/locking/lockdep.c:3825
__lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5049
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
__mutex_lock_common kernel/locking/mutex.c:603 [inline]
__mutex_lock+0x132/0xd80 kernel/locking/mutex.c:747
ni_lock fs/ntfs3/ntfs_fs.h:1111 [inline]
ntfs_fallocate+0x539/0x1020 fs/ntfs3/file.c:601
vfs_fallocate+0x547/0x6b0 fs/open.c:323
do_vfs_ioctl+0x222c/0x2a90 fs/ioctl.c:849
__do_sys_ioctl fs/ioctl.c:868 [inline]
__se_sys_ioctl+0x81/0x160 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f524a87dda9
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:00007f524b58a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f524a9ac050 RCX: 00007f524a87dda9
RDX: 0000000020000100 RSI: 0000000040305829 RDI: 0000000000000004
RBP: 00007f524a8ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f524a9ac050 R15: 00007fff0f729b68
</TASK>