REISERFS (device loop3): Using r5 hash to sort names REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. REISERFS (device loop1): Using r5 hash to sort names REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. ====================================================== WARNING: possible circular locking dependency detected 4.14.302-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.3/10967 is trying to acquire lock: (sb_writers#14){.+.+}, at: [] sb_start_write include/linux/fs.h:1551 [inline] (sb_writers#14){.+.+}, at: [] mnt_want_write_file+0xfd/0x3b0 fs/namespace.c:497 but task is already holding lock: (&sbi->lock){+.+.}, at: [] reiserfs_write_lock+0x75/0xf0 fs/reiserfs/lock.c:27 which lock already depends on the new lock. audit: type=1804 audit(1671382531.136:85): pid=10934 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir3743888199/syzkaller.Pe7Fql/72/file1/bus" dev="loop1" ino=4 res=1 the existing dependency chain (in reverse order) is: -> #2 (&sbi->lock){+.+.}: __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 reiserfs_write_lock+0x75/0xf0 fs/reiserfs/lock.c:27 reiserfs_lookup+0x130/0x400 fs/reiserfs/namei.c:363 lookup_real fs/namei.c:1555 [inline] __lookup_hash fs/namei.c:1575 [inline] __lookup_hash+0x1bb/0x270 fs/namei.c:1563 lookup_one_len+0x279/0x3a0 fs/namei.c:2539 reiserfs_lookup_privroot+0x92/0x270 fs/reiserfs/xattr.c:970 reiserfs_fill_super+0x1d12/0x2990 fs/reiserfs/super.c:2187 mount_bdev+0x2b3/0x360 fs/super.c:1134 mount_fs+0x92/0x2a0 fs/super.c:1237 vfs_kern_mount.part.0+0x5b/0x470 fs/namespace.c:1046 audit: type=1804 audit(1671382531.166:86): pid=10934 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.1" name="/root/syzkaller-testdir3743888199/syzkaller.Pe7Fql/72/file1/bus" dev="loop1" ino=4 res=1 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2572 [inline] do_mount+0xe65/0x2a30 fs/namespace.c:2905 SYSC_mount fs/namespace.c:3121 [inline] SyS_mount+0xa8/0x120 fs/namespace.c:3098 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 -> #1 (&type->i_mutex_dir_key#8){++++}: down_write+0x34/0x90 kernel/locking/rwsem.c:54 inode_lock include/linux/fs.h:719 [inline] do_last fs/namei.c:3331 [inline] path_openat+0xde2/0x2970 fs/namei.c:3571 do_filp_open+0x179/0x3c0 fs/namei.c:3605 do_sys_open+0x296/0x410 fs/open.c:1081 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 -> #0 (sb_writers#14){.+.+}: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:36 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] __sb_start_write+0x64/0x260 fs/super.c:1342 sb_start_write include/linux/fs.h:1551 [inline] mnt_want_write_file+0xfd/0x3b0 fs/namespace.c:497 reiserfs_ioctl+0x18e/0x8b0 fs/reiserfs/ioctl.c:110 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 other info that might help us debug this: Chain exists of: sb_writers#14 --> &type->i_mutex_dir_key#8 --> &sbi->lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&sbi->lock); lock(&type->i_mutex_dir_key#8); lock(&sbi->lock); lock(sb_writers#14); *** DEADLOCK *** 1 lock held by syz-executor.3/10967: #0: (&sbi->lock){+.+.}, at: [] reiserfs_write_lock+0x75/0xf0 fs/reiserfs/lock.c:27 stack backtrace: CPU: 0 PID: 10967 Comm: syz-executor.3 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1905 [inline] check_prevs_add kernel/locking/lockdep.c:2022 [inline] validate_chain kernel/locking/lockdep.c:2464 [inline] __lock_acquire+0x2e0e/0x3f20 kernel/locking/lockdep.c:3491 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:36 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] __sb_start_write+0x64/0x260 fs/super.c:1342 sb_start_write include/linux/fs.h:1551 [inline] mnt_want_write_file+0xfd/0x3b0 fs/namespace.c:497 reiserfs_ioctl+0x18e/0x8b0 fs/reiserfs/ioctl.c:110 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f34a7fa60d9 RSP: 002b:00007f34a6518168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f34a80c5f80 RCX: 00007f34a7fa60d9 RDX: 00000000200000c0 RSI: 0000000040087602 RDI: 0000000000000005 RBP: 00007f34a8001ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff6681843f R14: 00007f34a6518300 R15: 0000000000022000 REISERFS (device loop2): Using r5 hash to sort names REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. audit: type=1804 audit(1671382531.166:87): pid=10934 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.1" name="/root/syzkaller-testdir3743888199/syzkaller.Pe7Fql/72/file1/bus" dev="loop1" ino=4 res=1 audit: type=1804 audit(1671382531.746:88): pid=11012 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.1" name="/root/syzkaller-testdir3743888199/syzkaller.Pe7Fql/72/file1/bus" dev="loop1" ino=4 res=1 UDF-fs: error (device loop2): udf_process_sequence: Block 100 of volume descriptor sequence is corrupted or we could not read it NILFS (loop4): invalid segment: Checksum error in segment payload NILFS (loop4): trying rollback from an earlier position UDF-fs: error (device loop2): udf_read_tagged: tag checksum failed, block 1986: 0x6d != 0x00 NILFS (loop4): recovery complete UDF-fs: error (device loop2): udf_process_sequence: Block 1986 of volume descriptor sequence is corrupted or we could not read it NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal REISERFS (device loop3): using ordered data mode UDF-fs: Scanning with blocksize 512 failed reiserfs: using flush barriers UDF-fs: warning (device loop2): udf_load_vrs: No anchor found REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 UDF-fs: Scanning with blocksize 1024 failed REISERFS (device loop3): checking transaction log (loop3) UDF-fs: error (device loop2): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop2): udf_load_vrs: No anchor found NILFS (loop4): invalid segment: Checksum error in segment payload UDF-fs: Scanning with blocksize 2048 failed NILFS (loop4): trying rollback from an earlier position UDF-fs: warning (device loop2): udf_load_vrs: No VRS found REISERFS (device loop3): Using r5 hash to sort names NILFS (loop4): recovery complete UDF-fs: Scanning with blocksize 4096 failed REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds XFS (loop0): Superblock has unknown incompatible features (0x8) enabled. XFS (loop0): Filesystem can not be safely mounted by this kernel. XFS (loop0): SB validate failed with error -22. unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1 NILFS (loop4): invalid segment: Checksum error in segment payload NILFS (loop4): trying rollback from an earlier position NILFS (loop4): recovery complete audit: type=1804 audit(1671382532.826:89): pid=11042 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir1991181300/syzkaller.7IvNJ9/83/bus" dev="sda1" ino=14095 res=1 NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal REISERFS (device loop3): using ordered data mode reiserfs: using flush barriers REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop2 BTRFS error (device loop2): unsupported checksum algorithm 1 REISERFS (device loop3): checking transaction log (loop3) BTRFS error (device loop2): superblock checksum mismatch BTRFS error (device loop2): open_ctree failed REISERFS (device loop3): Using r5 hash to sort names REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. hfs: bad catalog entry type 0 hfs: bad catalog entry type 0 UDF-fs: error (device loop2): udf_process_sequence: Block 100 of volume descriptor sequence is corrupted or we could not read it REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal UDF-fs: error (device loop2): udf_read_tagged: tag checksum failed, block 1986: 0x6d != 0x00 UDF-fs: error (device loop2): udf_process_sequence: Block 1986 of volume descriptor sequence is corrupted or we could not read it REISERFS (device loop3): using ordered data mode UDF-fs: Scanning with blocksize 512 failed UDF-fs: warning (device loop2): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 1024 failed UDF-fs: error (device loop2): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop2): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 2048 failed UDF-fs: warning (device loop2): udf_load_vrs: No VRS found reiserfs: using flush barriers UDF-fs: Scanning with blocksize 4096 failed REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop3): checking transaction log (loop3) REISERFS (device loop3): Using r5 hash to sort names REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. QAT: Invalid ioctl hfs: bad catalog entry type 0 hfs: bad catalog entry type 0 BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 BTRFS info (device loop0): enabling inode map caching BTRFS warning (device loop0): excessive commit interval 622039222 BTRFS info (device loop0): use zlib compression BTRFS info (device loop0): enabling ssd optimizations BTRFS info (device loop0): using spread ssd allocation scheme BTRFS info (device loop0): using free space tree BTRFS info (device loop0): has skinny extents BTRFS info (device loop1): enabling inode map caching BTRFS warning (device loop1): excessive commit interval 622039222 BTRFS info (device loop1): use zlib compression BTRFS info (device loop1): enabling ssd optimizations BTRFS info (device loop1): using spread ssd allocation scheme BTRFS info (device loop1): using free space tree BTRFS info (device loop1): has skinny extents BTRFS info (device loop1): enabling inode map caching BTRFS warning (device loop1): excessive commit interval 622039222 BTRFS info (device loop1): use zlib compression BTRFS info (device loop1): enabling ssd optimizations BTRFS info (device loop1): using spread ssd allocation scheme BTRFS info (device loop1): using free space tree BTRFS info (device loop1): has skinny extents kauditd_printk_skb: 3 callbacks suppressed audit: type=1804 audit(1671382535.097:93): pid=11365 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir3743888199/syzkaller.Pe7Fql/93/bus/bus" dev="loop1" ino=263 res=1 BTRFS info (device loop0): enabling inode map caching BTRFS warning (device loop0): excessive commit interval 622039222 BTRFS info (device loop0): use zlib compression BTRFS info (device loop0): enabling ssd optimizations BTRFS info (device loop0): using spread ssd allocation scheme BTRFS info (device loop0): using free space tree BTRFS info (device loop0): has skinny extents audit: type=1804 audit(1671382535.407:94): pid=11443 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir1991181300/syzkaller.7IvNJ9/92/bus/bus" dev="loop0" ino=263 res=1 BTRFS info (device loop1): enabling inode map caching BTRFS warning (device loop1): excessive commit interval 622039222 BTRFS info (device loop1): use zlib compression BTRFS info (device loop1): enabling ssd optimizations BTRFS info (device loop1): using spread ssd allocation scheme BTRFS info (device loop1): using free space tree BTRFS info (device loop1): has skinny extents audit: type=1804 audit(1671382535.747:95): pid=11480 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir3743888199/syzkaller.Pe7Fql/94/bus/bus" dev="loop1" ino=263 res=1 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)