ntfs: volume version 3.1. ====================================================== WARNING: possible circular locking dependency detected 4.19.211-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.5/25313 is trying to acquire lock: 00000000d8b18bdf (&ni->mrec_lock){+.+.}, at: map_mft_record+0x3c/0xc70 fs/ntfs/mft.c:168 but task is already holding lock: 000000003904367a (&rl->lock){++++}, at: ntfs_truncate+0x1a2/0x2820 fs/ntfs/inode.c:2390 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&rl->lock){++++}: 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 -> #0 (&ni->mrec_lock){+.+.}: __mutex_lock_common kernel/locking/mutex.c:937 [inline] __mutex_lock+0xd7/0x1190 kernel/locking/mutex.c:1078 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 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 *** 3 locks held by syz-executor.5/25313: #0: 000000006ebc7a99 (sb_writers#21){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 000000006ebc7a99 (sb_writers#21){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 000000004fc34879 (&sb->s_type->i_mutex_key#28){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 000000004fc34879 (&sb->s_type->i_mutex_key#28){+.+.}, at: do_truncate+0x125/0x1f0 fs/open.c:61 #2: 000000003904367a (&rl->lock){++++}, at: ntfs_truncate+0x1a2/0x2820 fs/ntfs/inode.c:2390 stack backtrace: CPU: 1 PID: 25313 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 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 __mutex_lock_common kernel/locking/mutex.c:937 [inline] __mutex_lock+0xd7/0x1190 kernel/locking/mutex.c:1078 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 RIP: 0033:0x7f93ba99b0d9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f93b8f0d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f93baabaf80 RCX: 00007f93ba99b0d9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200008c0 RBP: 00007f93ba9f6ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff92f923af R14: 00007f93b8f0d300 R15: 0000000000022000 overlayfs: unrecognized mount option "uppHfm3JRÉpl" or missing value netlink: 32 bytes leftover after parsing attributes in process `syz-executor.4'. ntfs: volume version 3.1. netlink: 32 bytes leftover after parsing attributes in process `syz-executor.4'. overlayfs: failed to resolve './file1': -2 netlink: 'syz-executor.4': attribute type 3 has an invalid length. ntfs: volume version 3.1. __ntfs_error: 50 callbacks suppressed ntfs: (device loop5): ntfs_cluster_alloc(): Failed to allocate clusters, aborting (error -28). ntfs: (device loop5): ntfs_attr_extend_allocation(): Cannot extend allocation of inode 0x43, attribute type 0x80, because the allocation of clusters failed with error code -28. netlink: 'syz-executor.4': attribute type 3 has an invalid length. netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. overlayfs: unrecognized mount option "work](- 0dir=./file1" or missing value netlink: 'syz-executor.4': attribute type 3 has an invalid length. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 32 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 32 bytes leftover after parsing attributes in process `syz-executor.4'. overlayfs: unrecognized mount option "work](- 0dir=./file1" or missing value netlink: 32 bytes leftover after parsing attributes in process `syz-executor.4'. overlayfs: failed to resolve './file0': -2 overlayfs: unrecognized mount option "upperlF-֭ dir=./bus" or missing value overlayfs: unrecognized mount option "upperlF-֭ dir=./bus" or missing value overlayfs: unrecognized mount option "\orkdir=" or missing value overlayfs: unrecognized mount option "upperlF-֭ dir=./bus" or missing value overlayfs: unrecognized mount option "\orkdir=" or missing value overlayfs: unrecognized mount option "\orkdir=" or missing value overlayfs: failed to resolve './file1': -2 overlayfs: unrecognized mount option "workdifile1" or missing value overlayfs: unrecognized mount option "workdifile1" or missing value overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: failed to resolve './file1': -2 overlayfs: failed to resolve './file1': -2 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. overlayfs: failed to resolve './file0': -2 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. overlayfs: failed to resolve './file0': -2 netlink: 'syz-executor.4': attribute type 3 has an invalid length. overlayfs: './bus' not a directory netlink: 'syz-executor.4': attribute type 4 has an invalid length. ufs: ufs was compiled with read-only support, can't be mounted as read-write netlink: 'syz-executor.4': attribute type 5 has an invalid length. overlayfs: unrecognized mount option "upperdir=" or missing value ufs: ufs was compiled with read-only support, can't be mounted as read-write overlayfs: unrecognized mount option "upperdir=" or missing value overlayfs: './bus' not a directory ufs: ufs was compiled with read-only support, can't be mounted as read-write overlayfs: failed to resolve '/file1': -2 overlayfs: failed to resolve '/file1': -2 overlayfs: unrecognized mount option "workdiv=./file1" or missing value overlayfs: failed to resolve '/file1': -2 overlayfs: unrecognized mount option "dont_appraise" or missing value overlayfs: unrecognized mount option "dont_appraise" or missing value overlayfs: unrecognized mount option "u" or missing value overlayfs: unrecognized mount option "u" or missing value overlayfs: unrecognized mount option "u" or missing value overlayfs: failed to resolve './file0': -2 overlayfs: failed to resolve './fice0': -2 overlayfs: failed to resolve './file08ٷ8]AnQ*4yߜ95UCIF{= BIZuj_?lbGhlZw5αs4۔`4mX[#': -2 overlayfs: failed to resolve './fice0': -2 overlayfs: unrecognized mount option "w;Okdir=./file1" or missing value overlayfs: failed to resolve './file08ٷ8]AnQ*4yߜ95UCIF{= BIZuj_?lbGhlZw5αs4۔`4mX[#': -2 overlayfs: unrecognized mount option "w;Okdir=./file1" or missing value overlayfs: failed to resolve './file1': -2 overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: failed to resolve './file1': -2 audit: type=1804 audit(1669954249.949:155): pid=26648 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir1176814038/syzkaller.fiBnqH/498/bus/bus" dev="sda1" ino=14304 res=1 overlayfs: failed to resolve './file0': -2 9pnet: Could not find request transport: xen overlayfs: './bus' not a directory overlayfs: './bus' not a directory 9pnet: Could not find request transport: xen overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: './bus' not a directory overlayfs: failed to resolve './file1': -2 overlayfs: failed to resolve './file1': -2 overlayfs: failed to resolve './file1': -2 overlayfs: failed to resolve './file1': -2 overlayfs: failed to resolve './file1': -2 overlayfs: filesystem on './bus' not supported as upperdir overlayfs: './bus' not a directory