audit: type=1800 audit(1672989624.729:36): pid=17703 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.0" name="bus" dev="sda1" ino=14077 res=0 ====================================================== WARNING: possible circular locking dependency detected 4.19.211-syzkaller #0 Not tainted ------------------------------------------------------ kworker/u4:1/23 is trying to acquire lock: 00000000f2bfdc72 (&rl->lock){++++}, at: ntfs_read_block fs/ntfs/aops.c:265 [inline] 00000000f2bfdc72 (&rl->lock){++++}, at: ntfs_readpage+0x1909/0x21b0 fs/ntfs/aops.c:452 but task is already holding lock: 000000007660c2ec (&ni->mrec_lock){+.+.}, at: map_mft_record+0x3c/0xc70 fs/ntfs/mft.c:168 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&ni->mrec_lock){+.+.}: ieee80211 phy18: Selected rate control algorithm 'minstrel_ht' map_mft_record+0x3c/0xc70 fs/ntfs/mft.c:168 ntfs_truncate+0x202/0x2820 fs/ntfs/inode.c:2395 ntfs_truncate_vfs fs/ntfs/inode.c:2875 [inline] ntfs_setattr+0x1b6/0x620 fs/ntfs/inode.c:2925 notify_change+0x70b/0xfc0 fs/attr.c:334 do_truncate+0x134/0x1f0 fs/open.c:63 handle_truncate fs/namei.c:3009 [inline] do_last fs/namei.c:3427 [inline] path_openat+0x2308/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&rl->lock){++++}: down_read+0x36/0x80 kernel/locking/rwsem.c:24 ntfs_read_block fs/ntfs/aops.c:265 [inline] ntfs_readpage+0x1909/0x21b0 fs/ntfs/aops.c:452 do_read_cache_page+0x533/0x1170 mm/filemap.c:2828 read_mapping_page include/linux/pagemap.h:402 [inline] ntfs_map_page fs/ntfs/aops.h:89 [inline] ntfs_sync_mft_mirror+0x24f/0x1d00 fs/ntfs/mft.c:494 write_mft_record_nolock+0x13d2/0x16c0 fs/ntfs/mft.c:801 write_mft_record fs/ntfs/mft.h:109 [inline] __ntfs_write_inode+0x609/0xe10 fs/ntfs/inode.c:3064 write_inode fs/fs-writeback.c:1244 [inline] __writeback_single_inode+0x733/0x11d0 fs/fs-writeback.c:1442 writeback_sb_inodes+0x537/0xef0 fs/fs-writeback.c:1647 wb_writeback+0x28d/0xcc0 fs/fs-writeback.c:1820 wb_do_writeback fs/fs-writeback.c:1965 [inline] wb_workfn+0x29b/0x1250 fs/fs-writeback.c:2006 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ni->mrec_lock); lock(&rl->lock); lock(&ni->mrec_lock); lock(&rl->lock); *** DEADLOCK *** 3 locks held by kworker/u4:1/23: #0: 000000002c083aca ((wq_completion)"writeback"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 000000007e8e108e ((work_completion)(&(&wb->dwork)->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 000000007660c2ec (&ni->mrec_lock){+.+.}, at: map_mft_record+0x3c/0xc70 fs/ntfs/mft.c:168 ieee80211 phy19: Selected rate control algorithm 'minstrel_ht' stack backtrace: CPU: 1 PID: 23 Comm: kworker/u4:1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: writeback wb_workfn (flush-7:1) Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1222 check_prev_add kernel/locking/lockdep.c:1866 [inline] check_prevs_add kernel/locking/lockdep.c:1979 [inline] validate_chain kernel/locking/lockdep.c:2420 [inline] __lock_acquire+0x30c9/0x3ff0 kernel/locking/lockdep.c:3416 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908 down_read+0x36/0x80 kernel/locking/rwsem.c:24 ntfs_read_block fs/ntfs/aops.c:265 [inline] ntfs_readpage+0x1909/0x21b0 fs/ntfs/aops.c:452 do_read_cache_page+0x533/0x1170 mm/filemap.c:2828 read_mapping_page include/linux/pagemap.h:402 [inline] ntfs_map_page fs/ntfs/aops.h:89 [inline] ntfs_sync_mft_mirror+0x24f/0x1d00 fs/ntfs/mft.c:494 audit: type=1800 audit(1672989624.749:37): pid=17703 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.0" name="bus" dev="sda1" ino=14077 res=0 write_mft_record_nolock+0x13d2/0x16c0 fs/ntfs/mft.c:801 write_mft_record fs/ntfs/mft.h:109 [inline] __ntfs_write_inode+0x609/0xe10 fs/ntfs/inode.c:3064 write_inode fs/fs-writeback.c:1244 [inline] __writeback_single_inode+0x733/0x11d0 fs/fs-writeback.c:1442 writeback_sb_inodes+0x537/0xef0 fs/fs-writeback.c:1647 wb_writeback+0x28d/0xcc0 fs/fs-writeback.c:1820 wb_do_writeback fs/fs-writeback.c:1965 [inline] wb_workfn+0x29b/0x1250 fs/fs-writeback.c:2006 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 audit: type=1800 audit(1672989625.499:38): pid=17740 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.0" name="bus" dev="sda1" ino=14081 res=0 audit: type=1800 audit(1672989625.499:39): pid=17734 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.0" name="bus" dev="sda1" ino=14081 res=0 audit: type=1800 audit(1672989625.649:40): pid=17755 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.2" name="bus" dev="sda1" ino=14073 res=0 XFS (loop4): Mounting V4 Filesystem ntfs: volume version 3.1. XFS (loop4): Torn write (CRC failure) detected at log block 0x40. Truncating head block from 0x80. audit: type=1800 audit(1672989625.649:41): pid=17755 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.2" name="bus" dev="sda1" ino=14073 res=0 XFS (loop4): Ending clean mount XFS (loop4): Unmounting Filesystem audit: type=1800 audit(1672989625.749:42): pid=17769 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.0" name="bus" dev="sda1" ino=14071 res=0 ntfs: volume version 3.1. mac80211_hwsim hwsim13 : renamed from wlan1 XFS (loop5): Mounting V4 Filesystem XFS (loop5): Torn write (CRC failure) detected at log block 0x40. Truncating head block from 0x80. XFS (loop5): Ending clean mount XFS (loop5): Unmounting Filesystem XFS (loop4): Mounting V4 Filesystem XFS (loop4): Torn write (CRC failure) detected at log block 0x40. Truncating head block from 0x80. XFS (loop4): Ending clean mount XFS (loop1): Mounting V4 Filesystem XFS (loop4): Unmounting Filesystem XFS (loop1): Torn write (CRC failure) detected at log block 0x40. Truncating head block from 0x80. XFS (loop1): Ending clean mount XFS (loop1): Unmounting Filesystem XFS (loop5): Mounting V4 Filesystem XFS (loop5): Torn write (CRC failure) detected at log block 0x40. Truncating head block from 0x80. XFS (loop5): Ending clean mount XFS (loop4): Mounting V4 Filesystem XFS (loop4): Torn write (CRC failure) detected at log block 0x40. Truncating head block from 0x80. XFS (loop5): Unmounting Filesystem XFS (loop4): Ending clean mount XFS (loop4): Unmounting Filesystem XFS (loop1): Mounting V4 Filesystem XFS (loop1): Torn write (CRC failure) detected at log block 0x40. Truncating head block from 0x80. XFS (loop1): Ending clean mount UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) XFS (loop1): Unmounting Filesystem UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) XFS (loop5): Mounting V4 Filesystem XFS (loop5): Torn write (CRC failure) detected at log block 0x40. Truncating head block from 0x80. XFS (loop5): Ending clean mount XFS (loop4): Mounting V4 Filesystem XFS (loop5): Unmounting Filesystem XFS (loop4): Torn write (CRC failure) detected at log block 0x40. Truncating head block from 0x80. XFS (loop4): Ending clean mount XFS (loop4): Unmounting Filesystem XFS (loop1): Mounting V4 Filesystem XFS (loop1): Torn write (CRC failure) detected at log block 0x40. Truncating head block from 0x80. XFS (loop1): Ending clean mount XFS (loop1): Unmounting Filesystem XFS (loop5): Mounting V4 Filesystem XFS (loop5): Torn write (CRC failure) detected at log block 0x40. Truncating head block from 0x80. XFS (loop5): Ending clean mount XFS (loop5): Unmounting Filesystem XFS (loop4): Mounting V4 Filesystem XFS (loop4): Torn write (CRC failure) detected at log block 0x40. Truncating head block from 0x80. XFS (loop4): Ending clean mount XFS (loop4): Unmounting Filesystem XFS (loop1): Mounting V4 Filesystem XFS (loop1): Torn write (CRC failure) detected at log block 0x40. Truncating head block from 0x80. XFS (loop1): Ending clean mount XFS (loop1): Unmounting Filesystem Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci1: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout XFS (loop4): Mounting V4 Filesystem XFS (loop4): Torn write (CRC failure) detected at log block 0x40. Truncating head block from 0x80. XFS (loop4): Ending clean mount XFS (loop4): Unmounting Filesystem XFS (loop5): Mounting V4 Filesystem XFS (loop1): Mounting V4 Filesystem XFS (loop5): Torn write (CRC failure) detected at log block 0x40. Truncating head block from 0x80. XFS (loop5): Ending clean mount XFS (loop1): Torn write (CRC failure) detected at log block 0x40. Truncating head block from 0x80. XFS (loop5): Unmounting Filesystem XFS (loop1): Ending clean mount XFS (loop1): Unmounting Filesystem XFS (loop4): Mounting V4 Filesystem XFS (loop1): Mounting V4 Filesystem XFS (loop4): Torn write (CRC failure) detected at log block 0x40. Truncating head block from 0x80. XFS (loop1): Torn write (CRC failure) detected at log block 0x40. Truncating head block from 0x80. XFS (loop4): Ending clean mount XFS (loop1): Ending clean mount XFS (loop1): Unmounting Filesystem XFS (loop4): Unmounting Filesystem XFS (loop5): Mounting V4 Filesystem XFS (loop5): Torn write (CRC failure) detected at log block 0x40. Truncating head block from 0x80. XFS (loop5): Ending clean mount XFS (loop5): Unmounting Filesystem XFS (loop4): Mounting V4 Filesystem XFS (loop4): Torn write (CRC failure) detected at log block 0x40. Truncating head block from 0x80. XFS (loop4): Ending clean mount XFS (loop4): Unmounting Filesystem XFS (loop5): Mounting V4 Filesystem XFS (loop5): Torn write (CRC failure) detected at log block 0x40. Truncating head block from 0x80. XFS (loop5): Ending clean mount XFS (loop5): Unmounting Filesystem XFS (loop1): Mounting V4 Filesystem XFS (loop1): Torn write (CRC failure) detected at log block 0x40. Truncating head block from 0x80. XFS (loop1): Ending clean mount XFS (loop1): Unmounting Filesystem