ntfs: (device loop3): ntfs_read_block(): Failed to read from inode 0xa, attribute type 0x80, vcn 0x0, offset 0x0 because its location on disk could not be determined even after retrying (error code -5).
ntfs: (device loop3): ntfs_mapping_pairs_decompress(): Corrupt attribute.
ntfs: volume version 3.1.
======================================================
WARNING: possible circular locking dependency detected
6.7.0-rc6-syzkaller-gaafe7ad77b91 #0 Not tainted
------------------------------------------------------
syz-executor.3/11603 is trying to acquire lock:
ffff0000ded6d410 (&ni->mrec_lock){+.+.}-{3:3}, at: map_mft_record+0x64/0x7b4 fs/ntfs/mft.c:154
but task is already holding lock:
ffff0000ded6d380 (&rl->lock){++++}-{3:3}, at: ntfs_prepare_pages_for_non_resident_write fs/ntfs/file.c:873 [inline]
ffff0000ded6d380 (&rl->lock){++++}-{3:3}, at: ntfs_perform_write+0x2884/0x82c8 fs/ntfs/file.c:1837
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (&rl->lock){++++}-{3:3}:
down_read+0x58/0x2fc kernel/locking/rwsem.c:1526
ntfs_read_block fs/ntfs/aops.c:242 [inline]
ntfs_read_folio+0xd80/0x1c00 fs/ntfs/aops.c:430
filemap_read_folio+0x14c/0x39c mm/filemap.c:2323
do_read_cache_folio+0x114/0x548 mm/filemap.c:3691
do_read_cache_page mm/filemap.c:3757 [inline]
read_cache_page+0x6c/0x15c mm/filemap.c:3766
read_mapping_page include/linux/pagemap.h:871 [inline]
ntfs_map_page fs/ntfs/aops.h:75 [inline]
ntfs_sync_mft_mirror+0x1cc/0x1890 fs/ntfs/mft.c:480
write_mft_record_nolock+0x100c/0x1630 fs/ntfs/mft.c:787
write_mft_record+0x144/0x1bc fs/ntfs/mft.h:95
__ntfs_write_inode+0x5cc/0xa78 fs/ntfs/inode.c:3052
ntfs_write_inode+0x68/0x90 fs/ntfs/super.c:2664
write_inode fs/fs-writeback.c:1473 [inline]
__writeback_single_inode+0x5a8/0x146c fs/fs-writeback.c:1690
writeback_sb_inodes+0x718/0x1010 fs/fs-writeback.c:1916
wb_writeback+0x3f4/0xfc0 fs/fs-writeback.c:2092
wb_do_writeback fs/fs-writeback.c:2239 [inline]
wb_workfn+0x37c/0xf9c fs/fs-writeback.c:2279
process_one_work+0x694/0x1204 kernel/workqueue.c:2627
process_scheduled_works kernel/workqueue.c:2700 [inline]
worker_thread+0x938/0xef4 kernel/workqueue.c:2781
kthread+0x288/0x310 kernel/kthread.c:388
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:857
-> #0 (&ni->mrec_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:3869 [inline]
__lock_acquire+0x3384/0x763c kernel/locking/lockdep.c:5137
lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5754
__mutex_lock_common+0x190/0x21a0 kernel/locking/mutex.c:603
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:799
map_mft_record+0x64/0x7b4 fs/ntfs/mft.c:154
ntfs_map_runlist_nolock+0x370/0x12fc fs/ntfs/attrib.c:91
ntfs_prepare_pages_for_non_resident_write fs/ntfs/file.c:877 [inline]
ntfs_perform_write+0x26b0/0x82c8 fs/ntfs/file.c:1837
ntfs_file_write_iter+0xf3c/0x1738 fs/ntfs/file.c:1909
do_iter_write+0x654/0xa78 fs/read_write.c:860
vfs_writev fs/read_write.c:933 [inline]
do_writev+0x220/0x3ec fs/read_write.c:976
__do_sys_writev fs/read_write.c:1049 [inline]
__se_sys_writev fs/read_write.c:1046 [inline]
__arm64_sys_writev+0x80/0x94 fs/read_write.c:1046
__invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678
el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&rl->lock);
lock(&ni->mrec_lock);
lock(&rl->lock);
lock(&ni->mrec_lock);
*** DEADLOCK ***
4 locks held by syz-executor.3/11603:
#0: ffff00011abf14c8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x11c/0x148 fs/file.c:1177
#1: ffff00012721e418 (sb_writers#26){.+.+}-{0:0}, at: vfs_writev fs/read_write.c:932 [inline]
#1: ffff00012721e418 (sb_writers#26){.+.+}-{0:0}, at: do_writev+0x20c/0x3ec fs/read_write.c:976
#2: ffff0000ded6d6f0 (&sb->s_type->i_mutex_key#28){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
#2: ffff0000ded6d6f0 (&sb->s_type->i_mutex_key#28){+.+.}-{3:3}, at: ntfs_file_write_iter+0x7c/0x1738 fs/ntfs/file.c:1905
#3: ffff0000ded6d380 (&rl->lock){++++}-{3:3}, at: ntfs_prepare_pages_for_non_resident_write fs/ntfs/file.c:873 [inline]
#3: ffff0000ded6d380 (&rl->lock){++++}-{3:3}, at: ntfs_perform_write+0x2884/0x82c8 fs/ntfs/file.c:1837
stack backtrace:
CPU: 1 PID: 11603 Comm: syz-executor.3 Not tainted 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
Call trace:
dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:291
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:298
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106
dump_stack+0x1c/0x28 lib/dump_stack.c:113
print_circular_bug+0x150/0x1b8 kernel/locking/lockdep.c:2060
check_noncircular+0x310/0x404 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:3869 [inline]
__lock_acquire+0x3384/0x763c kernel/locking/lockdep.c:5137
lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5754
__mutex_lock_common+0x190/0x21a0 kernel/locking/mutex.c:603
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:799
map_mft_record+0x64/0x7b4 fs/ntfs/mft.c:154
ntfs_map_runlist_nolock+0x370/0x12fc fs/ntfs/attrib.c:91
ntfs_prepare_pages_for_non_resident_write fs/ntfs/file.c:877 [inline]
ntfs_perform_write+0x26b0/0x82c8 fs/ntfs/file.c:1837
ntfs_file_write_iter+0xf3c/0x1738 fs/ntfs/file.c:1909
do_iter_write+0x654/0xa78 fs/read_write.c:860
vfs_writev fs/read_write.c:933 [inline]
do_writev+0x220/0x3ec fs/read_write.c:976
__do_sys_writev fs/read_write.c:1049 [inline]
__se_sys_writev fs/read_write.c:1046 [inline]
__arm64_sys_writev+0x80/0x94 fs/read_write.c:1046
__invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678
el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595