====================================================== WARNING: possible circular locking dependency detected 4.19.211-syzkaller #0 Not tainted ------------------------------------------------------ kworker/u4:11/20645 is trying to acquire lock: 00000000a1b61750 (&rl->lock){++++}, at: ntfs_read_block fs/ntfs/aops.c:265 [inline] 00000000a1b61750 (&rl->lock){++++}, at: ntfs_readpage+0x1909/0x21b0 fs/ntfs/aops.c:452 but task is already holding lock: 00000000352a58e1 (&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){+.+.}: map_mft_record+0x3c/0xc70 fs/ntfs/mft.c:168 ntfs_attr_extend_allocation+0x236/0x34c0 fs/ntfs/attrib.c:1992 ntfs_prepare_file_for_write fs/ntfs/file.c:412 [inline] ntfs_file_write_iter+0x6c9/0x23b0 fs/ntfs/file.c:1949 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x51b/0x770 fs/read_write.c:487 vfs_write+0x1f3/0x540 fs/read_write.c:549 ksys_write+0x12b/0x2a0 fs/read_write.c:599 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/u4:11/20645: #0: 00000000a9bf59e7 ((wq_completion)"writeback"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 000000007d8735e1 ((work_completion)(&(&wb->dwork)->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 00000000352a58e1 (&ni->mrec_lock){+.+.}, at: map_mft_record+0x3c/0xc70 fs/ntfs/mft.c:168 stack backtrace: CPU: 0 PID: 20645 Comm: kworker/u4:11 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Workqueue: writeback wb_workfn (flush-7:3) 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 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 device lo entered promiscuous mode ntfs: volume version 3.1. Y4`Ҙ: renamed from lo device team_slave_0 entered promiscuous mode device team_slave_1 entered promiscuous mode device team_slave_0 entered promiscuous mode device team_slave_1 entered promiscuous mode REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal REISERFS (device loop1): using ordered data mode reiserfs: using flush barriers REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 ntfs: volume version 3.1. REISERFS (device loop1): checking transaction log (loop1) REISERFS (device loop1): Using r5 hash to sort names reiserfs: enabling write barrier flush mode REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3245, free_space(entry_count) 2 ntfs: volume version 3.1. REISERFS error (device loop1): vs-5150 search_by_key: invalid format found in block 540. Fsck? REISERFS (device loop1): Remounting filesystem read-only REISERFS error (device loop1): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal REISERFS warning (device loop1): super-6502 reiserfs_getopt: unknown mount option "F9euMJQz*:WG=tp}2}LM6qL/ )Zh\%W6 X\䱺*jNVYD$?d11\asЩqp=A@Q78g0177777777777777777777718446744073709551615C*JmR+pc]^ e*" REISERFS (device loop4): using ordered data mode reiserfs: using flush barriers ntfs: volume version 3.1. REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 ntfs: volume version 3.1. REISERFS (device loop4): checking transaction log (loop4) REISERFS (device loop4): Using r5 hash to sort names audit: type=1804 audit(1676547761.410:124): pid=21916 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir3978095761/syzkaller.S6eXXA/330/bus" dev="sda1" ino=14858 res=1 reiserfs: enabling write barrier flush mode REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3245, free_space(entry_count) 2 REISERFS error (device loop4): vs-5150 search_by_key: invalid format found in block 540. Fsck? REISERFS (device loop4): Remounting filesystem read-only REISERFS error (device loop4): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data IPVS: ftp: loaded support on port[0] = 21 audit: type=1804 audit(1676547761.861:125): pid=21909 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir3074531408/syzkaller.UsWujL/107/bus" dev="sda1" ino=14582 res=1 REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal REISERFS (device loop1): using ordered data mode reiserfs: using flush barriers REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal REISERFS (device loop4): using ordered data mode reiserfs: using flush barriers REISERFS (device loop1): checking transaction log (loop1) REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop1): Using r5 hash to sort names REISERFS (device loop4): checking transaction log (loop4) REISERFS (device loop4): Using r5 hash to sort names reiserfs: enabling write barrier flush mode REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. reiserfs: enabling write barrier flush mode REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3245, free_space(entry_count) 2 REISERFS error (device loop1): vs-5150 search_by_key: invalid format found in block 540. Fsck? REISERFS (device loop1): Remounting filesystem read-only REISERFS error (device loop1): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3245, free_space(entry_count) 2 REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3245, free_space(entry_count) 2 REISERFS error (device loop4): vs-5150 search_by_key: invalid format found in block 540. Fsck? REISERFS (device loop4): Remounting filesystem read-only REISERFS error (device loop4): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data REISERFS error (device loop1): vs-5150 search_by_key: invalid format found in block 540. Fsck? REISERFS error (device loop1): zam-7001 reiserfs_find_entry: io error REISERFS (device loop1): found reiserfs format "3.5" with non-standard journal REISERFS (device loop1): using ordered data mode REISERFS (device loop4): found reiserfs format "3.5" with non-standard journal reiserfs: using flush barriers REISERFS (device loop4): using ordered data mode reiserfs: using flush barriers REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop1): checking transaction log (loop1) REISERFS (device loop4): checking transaction log (loop4) REISERFS (device loop1): Using r5 hash to sort names REISERFS (device loop4): Using r5 hash to sort names reiserfs: enabling write barrier flush mode reiserfs: enabling write barrier flush mode REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3245, free_space(entry_count) 2 REISERFS error (device loop4): vs-5150 search_by_key: invalid format found in block 540. Fsck? REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 3 0(1) DIR], item_len 35, item_location 3245, free_space(entry_count) 2 REISERFS (device loop4): Remounting filesystem read-only REISERFS error (device loop1): vs-5150 search_by_key: invalid format found in block 540. Fsck? REISERFS error (device loop4): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data REISERFS (device loop1): Remounting filesystem read-only REISERFS error (device loop1): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data netlink: 23584 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 23584 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 23584 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 23584 bytes leftover after parsing attributes in process `syz-executor.4'. IPVS: ftp: loaded support on port[0] = 21 A link change request failed with some changes committed already. Interface gretap0 may have been left with an inconsistent configuration, please check. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'. IPVS: ftp: loaded support on port[0] = 21 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. A link change request failed with some changes committed already. Interface gretap0 may have been left with an inconsistent configuration, please check. IPVS: ftp: loaded support on port[0] = 21 A link change request failed with some changes committed already. Interface gretap0 may have been left with an inconsistent configuration, please check. IPVS: ftp: loaded support on port[0] = 21 A link change request failed with some changes committed already. Interface gretap0 may have been left with an inconsistent configuration, please check.