possible deadlock in lock_two_nondirectories
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syzbot
Apr 12, 2020, 4:40:16 PM4/12/20
to syzkaller...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: 4520f06b Linux 4.14.175
git tree: linux-4.14.y
console output: https://syzkaller.appspot.com/x/log.txt?x=13c4c743e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=93cf891381c0c347
dashboard link: https://syzkaller.appspot.com/bug?extid=336ea880dbcdb2c56ed6
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+336ea8...@syzkaller.appspotmail.com
overlayfs: upperdir is in-use by another mount, mount with '-o index=off' to override exclusive upperdir protection.
======================================================
WARNING: possible circular locking dependency detected
4.14.175-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor.1/14383 is trying to acquire lock:
(&ovl_i_mutex_key[depth]/4){+.+.}, at: [<ffffffff8190fa02>] inode_lock_nested include/linux/fs.h:754 [inline]
(&ovl_i_mutex_key[depth]/4){+.+.}, at: [<ffffffff8190fa02>] lock_two_nondirectories+0xb2/0xf0 fs/inode.c:992
but task is already holding lock:
(&ovl_i_mutex_key[depth]){+.+.}, at: [<ffffffff8190fa1a>] inode_lock include/linux/fs.h:719 [inline]
(&ovl_i_mutex_key[depth]){+.+.}, at: [<ffffffff8190fa1a>] lock_two_nondirectories+0xca/0xf0 fs/inode.c:990
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #4 (&ovl_i_mutex_key[depth]){+.+.}:
down_write+0x34/0x90 kernel/locking/rwsem.c:54
inode_lock include/linux/fs.h:719 [inline]
bprm_fill_uid fs/exec.c:1522 [inline]
prepare_binprm+0x31a/0x7e0 fs/exec.c:1557
do_execveat_common.isra.0+0xcc9/0x1c70 fs/exec.c:1783
do_execve fs/exec.c:1847 [inline]
SYSC_execve fs/exec.c:1928 [inline]
SyS_execve+0x34/0x40 fs/exec.c:1923
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
-> #3 (&sig->cred_guard_mutex){+.+.}:
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893
lock_trace+0x3f/0xc0 fs/proc/base.c:407
proc_pid_syscall+0x81/0x1f0 fs/proc/base.c:639
proc_single_show+0xe7/0x150 fs/proc/base.c:761
seq_read+0x4d2/0x1160 fs/seq_file.c:237
do_loop_readv_writev fs/read_write.c:695 [inline]
do_loop_readv_writev fs/read_write.c:682 [inline]
do_iter_read+0x3e3/0x5a0 fs/read_write.c:919
vfs_readv+0xd3/0x130 fs/read_write.c:981
do_preadv+0x161/0x200 fs/read_write.c:1065
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
-> #2 (&p->lock){+.+.}:
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893
seq_read+0xba/0x1160 fs/seq_file.c:165
proc_reg_read+0xf2/0x160 fs/proc/inode.c:217
do_loop_readv_writev fs/read_write.c:695 [inline]
do_loop_readv_writev fs/read_write.c:682 [inline]
do_iter_read+0x3e3/0x5a0 fs/read_write.c:919
vfs_readv+0xd3/0x130 fs/read_write.c:981
kernel_readv fs/splice.c:361 [inline]
default_file_splice_read+0x41d/0x870 fs/splice.c:416
do_splice_to+0xfb/0x150 fs/splice.c:880
splice_direct_to_actor+0x20a/0x730 fs/splice.c:952
do_splice_direct+0x164/0x210 fs/splice.c:1061
do_sendfile+0x469/0xaf0 fs/read_write.c:1441
SYSC_sendfile64 fs/read_write.c:1502 [inline]
SyS_sendfile64+0xff/0x110 fs/read_write.c:1488
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
-> #1 (sb_writers#3){.+.+}:
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+0x1a1/0x2e0 fs/super.c:1363
sb_start_write include/linux/fs.h:1549 [inline]
mnt_want_write+0x3a/0xb0 fs/namespace.c:386
ovl_rename+0x157/0xdc0 fs/overlayfs/dir.c:935
vfs_rename+0x4d6/0x1600 fs/namei.c:4496
SYSC_renameat2 fs/namei.c:4644 [inline]
SyS_renameat2 fs/namei.c:4533 [inline]
SYSC_renameat fs/namei.c:4679 [inline]
SyS_renameat+0x620/0x6e0 fs/namei.c:4676
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
-> #0 (&ovl_i_mutex_key[depth]/4){+.+.}:
lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3994
down_write_nested+0x36/0x90 kernel/locking/rwsem.c:172
inode_lock_nested include/linux/fs.h:754 [inline]
lock_two_nondirectories+0xb2/0xf0 fs/inode.c:992
vfs_rename+0x337/0x1600 fs/namei.c:4468
SYSC_renameat2 fs/namei.c:4644 [inline]
SyS_renameat2 fs/namei.c:4533 [inline]
SYSC_rename fs/namei.c:4684 [inline]
SyS_rename+0x60e/0x6d0 fs/namei.c:4682
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
other info that might help us debug this:
Chain exists of:
&ovl_i_mutex_key[depth]/4 --> &sig->cred_guard_mutex --> &ovl_i_mutex_key[depth]
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&ovl_i_mutex_key[depth]);
lock(&sig->cred_guard_mutex);
lock(&ovl_i_mutex_key[depth]);
lock(&ovl_i_mutex_key[depth]/4);
*** DEADLOCK ***
3 locks held by syz-executor.1/14383:
#0: (sb_writers#16){.+.+}, at: [<ffffffff819247fa>] sb_start_write include/linux/fs.h:1549 [inline]
#0: (sb_writers#16){.+.+}, at: [<ffffffff819247fa>] mnt_want_write+0x3a/0xb0 fs/namespace.c:386
#1: (&ovl_i_mutex_dir_key[depth]/1){+.+.}, at: [<ffffffff818d46b5>] inode_lock_nested include/linux/fs.h:754 [inline]
#1: (&ovl_i_mutex_dir_key[depth]/1){+.+.}, at: [<ffffffff818d46b5>] lock_rename+0x225/0x280 fs/namei.c:2885
#2: (&ovl_i_mutex_key[depth]){+.+.}, at: [<ffffffff8190fa1a>] inode_lock include/linux/fs.h:719 [inline]
#2: (&ovl_i_mutex_key[depth]){+.+.}, at: [<ffffffff8190fa1a>] lock_two_nondirectories+0xca/0xf0 fs/inode.c:990
stack backtrace:
CPU: 1 PID: 14383 Comm: syz-executor.1 Not tainted 4.14.175-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x13e/0x194 lib/dump_stack.c:58
print_circular_bug.isra.0.cold+0x1c4/0x282 kernel/locking/lockdep.c:1258
check_prev_add kernel/locking/lockdep.c:1901 [inline]
check_prevs_add kernel/locking/lockdep.c:2018 [inline]
validate_chain kernel/locking/lockdep.c:2460 [inline]
__lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487
lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3994
down_write_nested+0x36/0x90 kernel/locking/rwsem.c:172
inode_lock_nested include/linux/fs.h:754 [inline]
lock_two_nondirectories+0xb2/0xf0 fs/inode.c:992
vfs_rename+0x337/0x1600 fs/namei.c:4468
SYSC_renameat2 fs/namei.c:4644 [inline]
SyS_renameat2 fs/namei.c:4533 [inline]
SYSC_rename fs/namei.c:4684 [inline]
SyS_rename+0x60e/0x6d0 fs/namei.c:4682
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45c889
RSP: 002b:00007fc408d18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007fc408d196d4 RCX: 000000000045c889
RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000020000080
RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000008a3 R14: 00000000004cb563 R15: 000000000076bf0c
XFS (loop3): Mounting V4 Filesystem
XFS (loop3): log size 2154561536 bytes too large, maximum size is 2136997888 bytes
XFS (loop3): Log size out of supported range.
XFS (loop3): Continuing onwards, but if log hangs are experienced then please report this message in the bug report.
XFS (loop3): AIL initialisation failed: error -12
XFS (loop3): log mount failed
sd 0:0:1:0: [sg0] tag#2664 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2664 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2664 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2664 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2664 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
XFS (loop3): Mounting V4 Filesystem
XFS (loop3): log size 2154561536 bytes too large, maximum size is 2136997888 bytes
XFS (loop3): Log size out of supported range.
sd 0:0:1:0: [sg0] tag#2664 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2664 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2664 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2664 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2664 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
XFS (loop3): Continuing onwards, but if log hangs are experienced then please report this message in the bug report.
attempt to access beyond end of device
tmpfs: Bad value 'de�cultbQrela�ive: ' for mount option 'mpol'
loop3: rw=4096, want=4208128, limit=264192
XFS (loop3): metadata I/O error: block 0x4035ff ("xlog_bread_noalign") error 5 numblks 1
XFS (loop3): empty log check failed
XFS (loop3): log mount/recovery failed: error -5
XFS (loop3): log mount failed
tmpfs: Bad mount option m
sd 0:0:1:0: [sg0] tag#2636 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2636 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2636 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2636 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2636 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
tmpfs: Bad value 'de�aultbQrela�ive: ' for mount option 'mpol'
tmpfs: Bad value 'de�aultbQrela�ive: ' for mount option 'mpol'
sd 0:0:1:0: [sg0] tag#2636 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2636 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2636 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2636 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2636 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
XFS (loop3): Mounting V4 Filesystem
XFS (loop3): log size 2154561536 bytes too large, maximum size is 2136997888 bytes
tmpfs: Bad value 'de�aultbQrela�ive: ' for mount option 'mpol'
XFS (loop3): Log size out of supported range.
XFS (loop3): Continuing onwards, but if log hangs are experienced then please report this message in the bug report.
sd 0:0:1:0: [sg0] tag#2664 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2664 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2664 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2664 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2664 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
attempt to access beyond end of device
loop3: rw=4096, want=4208128, limit=264192
XFS (loop3): metadata I/O error: block 0x4035ff ("xlog_bread_noalign") error 5 numblks 1
tmpfs: Bad value 'O�#)ade�aultbQrܐ�SJ��U/ �R��:�� ��[\I � � ��] �' for mount option 'mpol'
XFS (loop3): empty log check failed
XFS (loop3): log mount/recovery failed: error -5
XFS (loop3): log mount failed
sd 0:0:1:0: [sg0] tag#2664 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2664 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2664 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2664 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2664 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
sd 0:0:1:0: [sg0] tag#2664 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2664 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2664 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2664 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2664 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
XFS (loop3): Mounting V4 Filesystem
XFS (loop3): log size 2154561536 bytes too large, maximum size is 2136997888 bytes
XFS (loop3): Log size out of supported range.
XFS (loop3): Continuing onwards, but if log hangs are experienced then please report this message in the bug report.
sd 0:0:1:0: [sg0] tag#2636 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2636 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2636 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2636 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2636 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
attempt to access beyond end of device
loop3: rw=4096, want=4208128, limit=264192
XFS (loop3): metadata I/O error: block 0x4035ff ("xlog_bread_noalign") error 5 numblks 1
XFS (loop3): empty log check failed
XFS (loop3): log mount/recovery failed: error -5
XFS (loop3): log mount failed
tmpfs: Bad value 'O�#)ade�aultbQrܐ�SJ��U/ �R��:�� ��[\I � � ��] �' for mount option 'mpol'
tmpfs: Bad value 'a�ive: ' for mount option 'mpol'
sd 0:0:1:0: [sg0] tag#2664 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2664 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2664 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2664 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2664 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
tmpfs: Bad value 'a�ive: ' for mount option 'mpol'
XFS (loop3): Mounting V4 Filesystem
XFS (loop3): log size 2154561536 bytes too large, maximum size is 2136997888 bytes
XFS (loop3): Log size out of supported range.
XFS (loop3): Continuing onwards, but if log hangs are experienced then please report this message in the bug report.
attempt to access beyond end of device
loop3: rw=4096, want=4208128, limit=264192
XFS (loop3): metadata I/O error: block 0x4035ff ("xlog_bread_noalign") error 5 numblks 1
XFS (loop3): empty log check failed
sd 0:0:1:0: [sg0] tag#2664 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2664 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2664 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2664 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2664 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
XFS (loop3): log mount/recovery failed: error -5
XFS (loop3): log mount failed
XFS (loop3): Mounting V4 Filesystem
XFS (loop3): log size 2154561536 bytes too large, maximum size is 2136997888 bytes
XFS (loop3): Log size out of supported range.
XFS (loop3): Continuing onwards, but if log hangs are experienced then please report this message in the bug report.
attempt to access beyond end of device
loop3: rw=4096, want=4208128, limit=264192
XFS (loop3): metadata I/O error: block 0x4035ff ("xlog_bread_noalign") error 5 numblks 1
XFS (loop3): empty log check failed
XFS (loop3): log mount/recovery failed: error -5
XFS (loop3): log mount failed
tmpfs: Bad value 'de�aultbQrela�ive: ' for mount option 'mpol'
XFS (loop3): Mounting V4 Filesystem
XFS (loop3): log size 2154561536 bytes too large, maximum size is 2136997888 bytes
tmpfs: Bad value 'de�aultbQrela�ive: ' for mount option 'mpol'
XFS (loop3): Log size out of supported range.
XFS (loop3): Continuing onwards, but if log hangs are experienced then please report this message in the bug report.
attempt to access beyond end of device
loop3: rw=4096, want=4208128, limit=264192
XFS (loop3): metadata I/O error: block 0x4035ff ("xlog_bread_noalign") error 5 numblks 1
tmpfs: Bad value 'de�aultbQrela�ive: ' for mount option 'mpol'
XFS (loop3): empty log check failed
XFS (loop3): log mount/recovery failed: error -5
XFS (loop3): log mount failed
tmpfs: Bad value 'de�aultbQrela�ive: ' for mount option 'mpol'
tmpfs: Bad value 'de�aultbQrela�ive: ' for mount option 'mpol'
tmpfs: Bad value 'de�aultbQrela�ive: ���7 d�Uy3 Ni��Ę�c̪[�˾5 �.#����' for mount option 'mpol'
tmpfs: Bad value 'de�aultbQrela�ive: ���7 d�Uy3 Ni��Ę�c̪[�˾5 �.#����' for mount option 'mpol'
tmpfs: Bad value 'defa9�t ' for mount option 'mpol'
tmpfs: Bad value 'defa9�t ' for mount option 'mpol'
tmpfs: Bad mount option m�ol
tmpfs: Bad mount option m�ol
tmpfs: Bad value 'default=relat���� ive:' for mount option 'mpol'
tmpfs: Bad value 'default=relat���� ive:' for mount option 'mpol'
XFS (loop3): Invalid superblock magic number
tmpfs: Bad value 'defaul ' for mount option 'mpol'
scsi_io_completion: 17 callbacks suppressed
sd 0:0:1:0: [sg0] tag#2664 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2664 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2664 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2664 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2664 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
XFS (loop3): Invalid superblock magic number
sd 0:0:1:0: [sg0] tag#2664 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2664 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2664 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2664 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2664 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
tmpfs: Bad value 'default=relative:' for mount option 'mpol'
tmpfs: Bad value 'default=relative:' for mount option 'mpol'
sd 0:0:1:0: [sg0] tag#2664 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2664 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2664 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2664 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2664 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
tmpfs: Bad value 'default=relative:' for mount option 'mpol'
XFS (loop3): Invalid superblock magic number
tmpfs: Bad value 'default=relative:' for mount option 'mpol'
sd 0:0:1:0: [sg0] tag#2636 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2636 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2636 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2636 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2636 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
tmpfs: Bad value 'defzult=relative֦U5v� ��� ��p:' for mount option 'mpol'
XFS (loop3): Invalid superblock magic number
sd 0:0:1:0: [sg0] tag#2636 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2636 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2636 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2636 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2636 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
tmpfs: No value for mount option ' �'
tmpfs: Bad value 'de�a�� JhltbQr ' for mount option 'mpol'
SELinux: Context system_u:obje is not valid (left unmapped).
tmpfs: Bad value 'de�a�� JhltbQr ' for mount option 'mpol'
tmpfs: Bad value 'default=r�lative:' for mount option 'mpol'
XFS (loop3): Invalid superblock magic number
tmpfs: Bad mount option ault
tmpfs: Bad mount option ault
tmpfs: Bad value 'de�aultbQrela�ive: ' for mount option 'mpol'
tmpfs: Bad value 'de�aultbQrela�ive: ' for mount option 'mpol'
tmpfs: Bad value 'default=relative:' for mount option 'mpol'
XFS (loop2): Invalid superblock magic number
XFS (loop3): Invalid superblock magic number
tmpfs: Bad value 'default=relative:' for mount option 'mpol'
tmpfs: Bad value 'default=relative:' for mount option 'mpol'
XFS (loop3): Invalid superblock magic number
sd 0:0:1:0: [sg0] tag#2664 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2664 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2664 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2664 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2664 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
XFS (loop2): Invalid superblock magic number
tmpfs: Bad value 'default=relative:' for mount option 'mpol'
XFS (loop3): Invalid superblock magic number
sd 0:0:1:0: [sg0] tag#2636 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2636 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2636 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2636 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2636 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
tmpfs: Bad value 'default=relative:' for mount option 'mpol'
XFS (loop2): Invalid superblock magic number
tmpfs: Bad value 'de�aultbQrela�ive: ' for mount option 'mpol'
sd 0:0:1:0: [sg0] tag#2664 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2664 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2664 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2664 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2664 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
XFS (loop3): Invalid superblock magic number
sd 0:0:1:0: [sg0] tag#2636 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
tmpfs: Bad value 'de�aultbQrela�ive: ' for mount option 'mpol'
sd 0:0:1:0: [sg0] tag#2636 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2636 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2636 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
tmpfs: Bad value 'default=relative:' for mount option 'mpol'
sd 0:0:1:0: [sg0] tag#2636 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
sd 0:0:1:0: [sg0] tag#2664 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2664 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2664 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2664 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2664 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
XFS (loop3): Invalid superblock magic number
tmpfs: No value for mount option 'mpol� ��aQ �h�5ulv�'
XFS (loop3): Invalid superblock magic number
XFS (loop3): Invalid superblock magic number
tmpfs: Bad value 'default=relative:' for mount option 'mpol'
XFS (loop2): Invalid superblock magic number
tmpfs: No value for mount option 'm'
tmpfs: No value for mount option 'm'
XFS (loop3): Invalid superblock magic number
XFS (loop3): Invalid superblock magic number
tmpfs: Bad value 'default=relative:' for mount option 'mpol'
---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this bug report. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following crash on:
HEAD commit: 4520f06b Linux 4.14.175
git tree: linux-4.14.y
console output: https://syzkaller.appspot.com/x/log.txt?x=13c4c743e00000
kernel config: https://syzkaller.appspot.com/x/.config?x=93cf891381c0c347
dashboard link: https://syzkaller.appspot.com/bug?extid=336ea880dbcdb2c56ed6
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+336ea8...@syzkaller.appspotmail.com
overlayfs: upperdir is in-use by another mount, mount with '-o index=off' to override exclusive upperdir protection.
======================================================
WARNING: possible circular locking dependency detected
4.14.175-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor.1/14383 is trying to acquire lock:
(&ovl_i_mutex_key[depth]/4){+.+.}, at: [<ffffffff8190fa02>] inode_lock_nested include/linux/fs.h:754 [inline]
(&ovl_i_mutex_key[depth]/4){+.+.}, at: [<ffffffff8190fa02>] lock_two_nondirectories+0xb2/0xf0 fs/inode.c:992
but task is already holding lock:
(&ovl_i_mutex_key[depth]){+.+.}, at: [<ffffffff8190fa1a>] inode_lock include/linux/fs.h:719 [inline]
(&ovl_i_mutex_key[depth]){+.+.}, at: [<ffffffff8190fa1a>] lock_two_nondirectories+0xca/0xf0 fs/inode.c:990
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #4 (&ovl_i_mutex_key[depth]){+.+.}:
down_write+0x34/0x90 kernel/locking/rwsem.c:54
inode_lock include/linux/fs.h:719 [inline]
bprm_fill_uid fs/exec.c:1522 [inline]
prepare_binprm+0x31a/0x7e0 fs/exec.c:1557
do_execveat_common.isra.0+0xcc9/0x1c70 fs/exec.c:1783
do_execve fs/exec.c:1847 [inline]
SYSC_execve fs/exec.c:1928 [inline]
SyS_execve+0x34/0x40 fs/exec.c:1923
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
-> #3 (&sig->cred_guard_mutex){+.+.}:
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893
lock_trace+0x3f/0xc0 fs/proc/base.c:407
proc_pid_syscall+0x81/0x1f0 fs/proc/base.c:639
proc_single_show+0xe7/0x150 fs/proc/base.c:761
seq_read+0x4d2/0x1160 fs/seq_file.c:237
do_loop_readv_writev fs/read_write.c:695 [inline]
do_loop_readv_writev fs/read_write.c:682 [inline]
do_iter_read+0x3e3/0x5a0 fs/read_write.c:919
vfs_readv+0xd3/0x130 fs/read_write.c:981
do_preadv+0x161/0x200 fs/read_write.c:1065
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
-> #2 (&p->lock){+.+.}:
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893
seq_read+0xba/0x1160 fs/seq_file.c:165
proc_reg_read+0xf2/0x160 fs/proc/inode.c:217
do_loop_readv_writev fs/read_write.c:695 [inline]
do_loop_readv_writev fs/read_write.c:682 [inline]
do_iter_read+0x3e3/0x5a0 fs/read_write.c:919
vfs_readv+0xd3/0x130 fs/read_write.c:981
kernel_readv fs/splice.c:361 [inline]
default_file_splice_read+0x41d/0x870 fs/splice.c:416
do_splice_to+0xfb/0x150 fs/splice.c:880
splice_direct_to_actor+0x20a/0x730 fs/splice.c:952
do_splice_direct+0x164/0x210 fs/splice.c:1061
do_sendfile+0x469/0xaf0 fs/read_write.c:1441
SYSC_sendfile64 fs/read_write.c:1502 [inline]
SyS_sendfile64+0xff/0x110 fs/read_write.c:1488
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
-> #1 (sb_writers#3){.+.+}:
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+0x1a1/0x2e0 fs/super.c:1363
sb_start_write include/linux/fs.h:1549 [inline]
mnt_want_write+0x3a/0xb0 fs/namespace.c:386
ovl_rename+0x157/0xdc0 fs/overlayfs/dir.c:935
vfs_rename+0x4d6/0x1600 fs/namei.c:4496
SYSC_renameat2 fs/namei.c:4644 [inline]
SyS_renameat2 fs/namei.c:4533 [inline]
SYSC_renameat fs/namei.c:4679 [inline]
SyS_renameat+0x620/0x6e0 fs/namei.c:4676
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
-> #0 (&ovl_i_mutex_key[depth]/4){+.+.}:
lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3994
down_write_nested+0x36/0x90 kernel/locking/rwsem.c:172
inode_lock_nested include/linux/fs.h:754 [inline]
lock_two_nondirectories+0xb2/0xf0 fs/inode.c:992
vfs_rename+0x337/0x1600 fs/namei.c:4468
SYSC_renameat2 fs/namei.c:4644 [inline]
SyS_renameat2 fs/namei.c:4533 [inline]
SYSC_rename fs/namei.c:4684 [inline]
SyS_rename+0x60e/0x6d0 fs/namei.c:4682
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
other info that might help us debug this:
Chain exists of:
&ovl_i_mutex_key[depth]/4 --> &sig->cred_guard_mutex --> &ovl_i_mutex_key[depth]
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&ovl_i_mutex_key[depth]);
lock(&sig->cred_guard_mutex);
lock(&ovl_i_mutex_key[depth]);
lock(&ovl_i_mutex_key[depth]/4);
*** DEADLOCK ***
3 locks held by syz-executor.1/14383:
#0: (sb_writers#16){.+.+}, at: [<ffffffff819247fa>] sb_start_write include/linux/fs.h:1549 [inline]
#0: (sb_writers#16){.+.+}, at: [<ffffffff819247fa>] mnt_want_write+0x3a/0xb0 fs/namespace.c:386
#1: (&ovl_i_mutex_dir_key[depth]/1){+.+.}, at: [<ffffffff818d46b5>] inode_lock_nested include/linux/fs.h:754 [inline]
#1: (&ovl_i_mutex_dir_key[depth]/1){+.+.}, at: [<ffffffff818d46b5>] lock_rename+0x225/0x280 fs/namei.c:2885
#2: (&ovl_i_mutex_key[depth]){+.+.}, at: [<ffffffff8190fa1a>] inode_lock include/linux/fs.h:719 [inline]
#2: (&ovl_i_mutex_key[depth]){+.+.}, at: [<ffffffff8190fa1a>] lock_two_nondirectories+0xca/0xf0 fs/inode.c:990
stack backtrace:
CPU: 1 PID: 14383 Comm: syz-executor.1 Not tainted 4.14.175-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x13e/0x194 lib/dump_stack.c:58
print_circular_bug.isra.0.cold+0x1c4/0x282 kernel/locking/lockdep.c:1258
check_prev_add kernel/locking/lockdep.c:1901 [inline]
check_prevs_add kernel/locking/lockdep.c:2018 [inline]
validate_chain kernel/locking/lockdep.c:2460 [inline]
__lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487
lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3994
down_write_nested+0x36/0x90 kernel/locking/rwsem.c:172
inode_lock_nested include/linux/fs.h:754 [inline]
lock_two_nondirectories+0xb2/0xf0 fs/inode.c:992
vfs_rename+0x337/0x1600 fs/namei.c:4468
SYSC_renameat2 fs/namei.c:4644 [inline]
SyS_renameat2 fs/namei.c:4533 [inline]
SYSC_rename fs/namei.c:4684 [inline]
SyS_rename+0x60e/0x6d0 fs/namei.c:4682
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45c889
RSP: 002b:00007fc408d18c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007fc408d196d4 RCX: 000000000045c889
RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000020000080
RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000008a3 R14: 00000000004cb563 R15: 000000000076bf0c
XFS (loop3): Mounting V4 Filesystem
XFS (loop3): log size 2154561536 bytes too large, maximum size is 2136997888 bytes
XFS (loop3): Log size out of supported range.
XFS (loop3): Continuing onwards, but if log hangs are experienced then please report this message in the bug report.
XFS (loop3): AIL initialisation failed: error -12
XFS (loop3): log mount failed
sd 0:0:1:0: [sg0] tag#2664 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2664 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2664 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2664 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2664 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
XFS (loop3): Mounting V4 Filesystem
XFS (loop3): log size 2154561536 bytes too large, maximum size is 2136997888 bytes
XFS (loop3): Log size out of supported range.
sd 0:0:1:0: [sg0] tag#2664 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2664 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2664 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2664 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2664 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
XFS (loop3): Continuing onwards, but if log hangs are experienced then please report this message in the bug report.
attempt to access beyond end of device
tmpfs: Bad value 'de�cultbQrela�ive: ' for mount option 'mpol'
loop3: rw=4096, want=4208128, limit=264192
XFS (loop3): metadata I/O error: block 0x4035ff ("xlog_bread_noalign") error 5 numblks 1
XFS (loop3): empty log check failed
XFS (loop3): log mount/recovery failed: error -5
XFS (loop3): log mount failed
tmpfs: Bad mount option m
sd 0:0:1:0: [sg0] tag#2636 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2636 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2636 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2636 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2636 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
tmpfs: Bad value 'de�aultbQrela�ive: ' for mount option 'mpol'
tmpfs: Bad value 'de�aultbQrela�ive: ' for mount option 'mpol'
sd 0:0:1:0: [sg0] tag#2636 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2636 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2636 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2636 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2636 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
XFS (loop3): Mounting V4 Filesystem
XFS (loop3): log size 2154561536 bytes too large, maximum size is 2136997888 bytes
tmpfs: Bad value 'de�aultbQrela�ive: ' for mount option 'mpol'
XFS (loop3): Log size out of supported range.
XFS (loop3): Continuing onwards, but if log hangs are experienced then please report this message in the bug report.
sd 0:0:1:0: [sg0] tag#2664 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2664 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2664 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2664 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2664 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
attempt to access beyond end of device
loop3: rw=4096, want=4208128, limit=264192
XFS (loop3): metadata I/O error: block 0x4035ff ("xlog_bread_noalign") error 5 numblks 1
tmpfs: Bad value 'O�#)ade�aultbQrܐ�SJ��U/ �R��:�� ��[\I � � ��] �' for mount option 'mpol'
XFS (loop3): empty log check failed
XFS (loop3): log mount/recovery failed: error -5
XFS (loop3): log mount failed
sd 0:0:1:0: [sg0] tag#2664 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2664 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2664 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2664 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2664 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
sd 0:0:1:0: [sg0] tag#2664 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2664 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2664 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2664 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2664 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
XFS (loop3): Mounting V4 Filesystem
XFS (loop3): log size 2154561536 bytes too large, maximum size is 2136997888 bytes
XFS (loop3): Log size out of supported range.
XFS (loop3): Continuing onwards, but if log hangs are experienced then please report this message in the bug report.
sd 0:0:1:0: [sg0] tag#2636 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2636 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2636 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2636 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2636 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
attempt to access beyond end of device
loop3: rw=4096, want=4208128, limit=264192
XFS (loop3): metadata I/O error: block 0x4035ff ("xlog_bread_noalign") error 5 numblks 1
XFS (loop3): empty log check failed
XFS (loop3): log mount/recovery failed: error -5
XFS (loop3): log mount failed
tmpfs: Bad value 'O�#)ade�aultbQrܐ�SJ��U/ �R��:�� ��[\I � � ��] �' for mount option 'mpol'
tmpfs: Bad value 'a�ive: ' for mount option 'mpol'
sd 0:0:1:0: [sg0] tag#2664 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2664 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2664 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2664 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2664 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
tmpfs: Bad value 'a�ive: ' for mount option 'mpol'
XFS (loop3): Mounting V4 Filesystem
XFS (loop3): log size 2154561536 bytes too large, maximum size is 2136997888 bytes
XFS (loop3): Log size out of supported range.
XFS (loop3): Continuing onwards, but if log hangs are experienced then please report this message in the bug report.
attempt to access beyond end of device
loop3: rw=4096, want=4208128, limit=264192
XFS (loop3): metadata I/O error: block 0x4035ff ("xlog_bread_noalign") error 5 numblks 1
XFS (loop3): empty log check failed
sd 0:0:1:0: [sg0] tag#2664 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2664 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2664 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2664 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2664 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
XFS (loop3): log mount/recovery failed: error -5
XFS (loop3): log mount failed
XFS (loop3): Mounting V4 Filesystem
XFS (loop3): log size 2154561536 bytes too large, maximum size is 2136997888 bytes
XFS (loop3): Log size out of supported range.
XFS (loop3): Continuing onwards, but if log hangs are experienced then please report this message in the bug report.
attempt to access beyond end of device
loop3: rw=4096, want=4208128, limit=264192
XFS (loop3): metadata I/O error: block 0x4035ff ("xlog_bread_noalign") error 5 numblks 1
XFS (loop3): empty log check failed
XFS (loop3): log mount/recovery failed: error -5
XFS (loop3): log mount failed
tmpfs: Bad value 'de�aultbQrela�ive: ' for mount option 'mpol'
XFS (loop3): Mounting V4 Filesystem
XFS (loop3): log size 2154561536 bytes too large, maximum size is 2136997888 bytes
tmpfs: Bad value 'de�aultbQrela�ive: ' for mount option 'mpol'
XFS (loop3): Log size out of supported range.
XFS (loop3): Continuing onwards, but if log hangs are experienced then please report this message in the bug report.
attempt to access beyond end of device
loop3: rw=4096, want=4208128, limit=264192
XFS (loop3): metadata I/O error: block 0x4035ff ("xlog_bread_noalign") error 5 numblks 1
tmpfs: Bad value 'de�aultbQrela�ive: ' for mount option 'mpol'
XFS (loop3): empty log check failed
XFS (loop3): log mount/recovery failed: error -5
XFS (loop3): log mount failed
tmpfs: Bad value 'de�aultbQrela�ive: ' for mount option 'mpol'
tmpfs: Bad value 'de�aultbQrela�ive: ' for mount option 'mpol'
tmpfs: Bad value 'de�aultbQrela�ive: ���7 d�Uy3 Ni��Ę�c̪[�˾5 �.#����' for mount option 'mpol'
tmpfs: Bad value 'de�aultbQrela�ive: ���7 d�Uy3 Ni��Ę�c̪[�˾5 �.#����' for mount option 'mpol'
tmpfs: Bad value 'defa9�t ' for mount option 'mpol'
tmpfs: Bad value 'defa9�t ' for mount option 'mpol'
tmpfs: Bad mount option m�ol
tmpfs: Bad mount option m�ol
tmpfs: Bad value 'default=relat���� ive:' for mount option 'mpol'
tmpfs: Bad value 'default=relat���� ive:' for mount option 'mpol'
XFS (loop3): Invalid superblock magic number
tmpfs: Bad value 'defaul ' for mount option 'mpol'
scsi_io_completion: 17 callbacks suppressed
sd 0:0:1:0: [sg0] tag#2664 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2664 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2664 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2664 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2664 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
XFS (loop3): Invalid superblock magic number
sd 0:0:1:0: [sg0] tag#2664 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2664 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2664 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2664 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2664 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
tmpfs: Bad value 'default=relative:' for mount option 'mpol'
tmpfs: Bad value 'default=relative:' for mount option 'mpol'
sd 0:0:1:0: [sg0] tag#2664 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2664 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2664 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2664 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2664 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
tmpfs: Bad value 'default=relative:' for mount option 'mpol'
XFS (loop3): Invalid superblock magic number
tmpfs: Bad value 'default=relative:' for mount option 'mpol'
sd 0:0:1:0: [sg0] tag#2636 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2636 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2636 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2636 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2636 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
tmpfs: Bad value 'defzult=relative֦U5v� ��� ��p:' for mount option 'mpol'
XFS (loop3): Invalid superblock magic number
sd 0:0:1:0: [sg0] tag#2636 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2636 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2636 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2636 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2636 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
tmpfs: No value for mount option ' �'
tmpfs: Bad value 'de�a�� JhltbQr ' for mount option 'mpol'
SELinux: Context system_u:obje is not valid (left unmapped).
tmpfs: Bad value 'de�a�� JhltbQr ' for mount option 'mpol'
tmpfs: Bad value 'default=r�lative:' for mount option 'mpol'
XFS (loop3): Invalid superblock magic number
tmpfs: Bad mount option ault
tmpfs: Bad mount option ault
tmpfs: Bad value 'de�aultbQrela�ive: ' for mount option 'mpol'
tmpfs: Bad value 'de�aultbQrela�ive: ' for mount option 'mpol'
tmpfs: Bad value 'default=relative:' for mount option 'mpol'
XFS (loop2): Invalid superblock magic number
XFS (loop3): Invalid superblock magic number
tmpfs: Bad value 'default=relative:' for mount option 'mpol'
tmpfs: Bad value 'default=relative:' for mount option 'mpol'
XFS (loop3): Invalid superblock magic number
sd 0:0:1:0: [sg0] tag#2664 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2664 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2664 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2664 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2664 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
XFS (loop2): Invalid superblock magic number
tmpfs: Bad value 'default=relative:' for mount option 'mpol'
XFS (loop3): Invalid superblock magic number
sd 0:0:1:0: [sg0] tag#2636 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2636 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2636 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2636 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2636 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
tmpfs: Bad value 'default=relative:' for mount option 'mpol'
XFS (loop2): Invalid superblock magic number
tmpfs: Bad value 'de�aultbQrela�ive: ' for mount option 'mpol'
sd 0:0:1:0: [sg0] tag#2664 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2664 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2664 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2664 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2664 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
XFS (loop3): Invalid superblock magic number
sd 0:0:1:0: [sg0] tag#2636 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
tmpfs: Bad value 'de�aultbQrela�ive: ' for mount option 'mpol'
sd 0:0:1:0: [sg0] tag#2636 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2636 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2636 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
tmpfs: Bad value 'default=relative:' for mount option 'mpol'
sd 0:0:1:0: [sg0] tag#2636 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
sd 0:0:1:0: [sg0] tag#2664 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#2664 CDB: Read master cue
sd 0:0:1:0: [sg0] tag#2664 CDB[00]: 59 a5 95 88 c6 5b ec ef ec 3a cd fd ba dd 5e a2
sd 0:0:1:0: [sg0] tag#2664 CDB[10]: ca b5 52 3b af ce a2 a2 6e ff b9 16 2c b6 7d e3
sd 0:0:1:0: [sg0] tag#2664 CDB[20]: 1c 1f 40 e3 70 36 04 a1 c1
XFS (loop3): Invalid superblock magic number
tmpfs: No value for mount option 'mpol� ��aQ �h�5ulv�'
XFS (loop3): Invalid superblock magic number
XFS (loop3): Invalid superblock magic number
tmpfs: Bad value 'default=relative:' for mount option 'mpol'
XFS (loop2): Invalid superblock magic number
tmpfs: No value for mount option 'm'
tmpfs: No value for mount option 'm'
XFS (loop3): Invalid superblock magic number
XFS (loop3): Invalid superblock magic number
tmpfs: Bad value 'default=relative:' for mount option 'mpol'
---
This bug is generated by a bot. It may contain errors.
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syzbot
Aug 10, 2020, 4:40:11 PM8/10/20
to syzkaller...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
Crashes did not happen for a while, no reproducer and no activity.
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