======================================================
WARNING: possible circular locking dependency detected
4.14.225-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor.4/22336 is trying to acquire lock:
(&xt[i].mutex){+.+.}, at: [<ffffffff85ef49c8>] xt_find_revision+0x88/0x200 net/netfilter/x_tables.c:373
but task is already holding lock:
(&table[i].mutex){+.+.}, at: [<ffffffff85e209c6>] nfnl_lock net/netfilter/nfnetlink.c:61 [inline]
(&table[i].mutex){+.+.}, at: [<ffffffff85e209c6>] nfnetlink_rcv_msg+0x726/0xc00 net/netfilter/nfnetlink.c:209
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #2 (&table[i].mutex){+.+.}:
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893
nf_tables_netdev_event+0x10d/0x4d0 net/netfilter/nf_tables_netdev.c:122
notifier_call_chain+0x108/0x1a0 kernel/notifier.c:93
call_netdevice_notifiers_info net/core/dev.c:1667 [inline]
call_netdevice_notifiers net/core/dev.c:1683 [inline]
rollback_registered_many+0x765/0xba0 net/core/dev.c:7203
unregister_netdevice_many.part.0+0x18/0x2e0 net/core/dev.c:8285
unregister_netdevice_many+0x36/0x50 net/core/dev.c:8284
rtnl_newlink+0x13f3/0x1830 net/core/rtnetlink.c:2771
rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4316
netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433
netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline]
netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313
netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878
sock_sendmsg_nosec net/socket.c:646 [inline]
sock_sendmsg+0xb5/0x100 net/socket.c:656
___sys_sendmsg+0x326/0x800 net/socket.c:2062
__sys_sendmmsg+0x129/0x330 net/socket.c:2152
SYSC_sendmmsg net/socket.c:2183 [inline]
SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
-> #1 (rtnl_mutex){+.+.}:
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893
unregister_netdevice_notifier+0x5e/0x2b0 net/core/dev.c:1630
tee_tg_destroy+0x5c/0xb0 net/netfilter/xt_TEE.c:123
cleanup_entry+0x232/0x310 net/ipv6/netfilter/ip6_tables.c:684
__do_replace+0x38d/0x580 net/ipv6/netfilter/ip6_tables.c:1105
do_replace net/ipv6/netfilter/ip6_tables.c:1161 [inline]
do_ip6t_set_ctl+0x256/0x3b0 net/ipv6/netfilter/ip6_tables.c:1685
nf_sockopt net/netfilter/nf_sockopt.c:106 [inline]
nf_setsockopt+0x5f/0xb0 net/netfilter/nf_sockopt.c:115
ipv6_setsockopt+0xc0/0x120 net/ipv6/ipv6_sockglue.c:937
rawv6_setsockopt+0x46/0x100 net/ipv6/raw.c:1083
SYSC_setsockopt net/socket.c:1865 [inline]
SyS_setsockopt+0x110/0x1e0 net/socket.c:1844
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
-> #0 (&xt[i].mutex){+.+.}:
lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893
xt_find_revision+0x88/0x200 net/netfilter/x_tables.c:373
nfnl_compat_get+0x1f7/0x870 net/netfilter/nft_compat.c:678
nfnetlink_rcv_msg+0x9bb/0xc00 net/netfilter/nfnetlink.c:214
netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433
nfnetlink_rcv+0x1ab/0x1da0 net/netfilter/nfnetlink.c:515
netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline]
netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313
netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878
sock_sendmsg_nosec net/socket.c:646 [inline]
sock_sendmsg+0xb5/0x100 net/socket.c:656
___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
__sys_sendmsg+0xa3/0x120 net/socket.c:2096
SYSC_sendmsg net/socket.c:2107 [inline]
SyS_sendmsg+0x27/0x40 net/socket.c:2103
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
other info that might help us debug this:
Chain exists of:
&xt[i].mutex --> rtnl_mutex --> &table[i].mutex
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&table[i].mutex);
lock(rtnl_mutex);
lock(&table[i].mutex);
lock(&xt[i].mutex);
*** DEADLOCK ***
1 lock held by syz-executor.4/22336:
#0: (&table[i].mutex){+.+.}, at: [<ffffffff85e209c6>] nfnl_lock net/netfilter/nfnetlink.c:61 [inline]
#0: (&table[i].mutex){+.+.}, at: [<ffffffff85e209c6>] nfnetlink_rcv_msg+0x726/0xc00 net/netfilter/nfnetlink.c:209
stack backtrace:
CPU: 1 PID: 22336 Comm: syz-executor.4 Not tainted 4.14.225-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+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
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893
xt_find_revision+0x88/0x200 net/netfilter/x_tables.c:373
nfnl_compat_get+0x1f7/0x870 net/netfilter/nft_compat.c:678
nfnetlink_rcv_msg+0x9bb/0xc00 net/netfilter/nfnetlink.c:214
netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433
nfnetlink_rcv+0x1ab/0x1da0 net/netfilter/nfnetlink.c:515
netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline]
netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313
netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878
sock_sendmsg_nosec net/socket.c:646 [inline]
sock_sendmsg+0xb5/0x100 net/socket.c:656
___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
__sys_sendmsg+0xa3/0x120 net/socket.c:2096
SYSC_sendmsg net/socket.c:2107 [inline]
SyS_sendmsg+0x27/0x40 net/socket.c:2103
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x465f69
RSP: 002b:00007f71bff3d188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465f69
RDX: 0000000000048880 RSI: 0000000020000100 RDI: 0000000000000003
RBP: 00000000004bfa8f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007ffedb6cecaf R14: 00007f71bff3d300 R15: 0000000000022000
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
mkiss: ax0: crc mode is auto.
EXT4-fs error (device loop3): __ext4_new_inode:930: comm syz-executor.3: reserved inode found cleared - inode=1
mkiss: ax0: crc mode is auto.
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs error (device loop3): __ext4_new_inode:930: comm syz-executor.3: reserved inode found cleared - inode=1
audit: type=1804 audit(1615806334.134:74): pid=22436 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir808148404/syzkaller.Jv9KRF/476/bus" dev="sda1" ino=16898 res=1
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'.
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs error (device loop3): __ext4_new_inode:930: comm syz-executor.3: reserved inode found cleared - inode=1
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'.
audit: type=1804 audit(1615806334.884:75): pid=22511 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.1" name="/root/syzkaller-testdir808148404/syzkaller.Jv9KRF/476/bus" dev="sda1" ino=16898 res=1
audit: type=1804 audit(1615806335.004:76): pid=22516 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir808148404/syzkaller.Jv9KRF/476/bus" dev="sda1" ino=16898 res=1
EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
EXT4-fs error (device loop3): __ext4_new_inode:930: comm syz-executor.3: reserved inode found cleared - inode=1
EXT4-fs error (device loop1): ext4_validate_inode_bitmap:100: comm syz-executor.1: Corrupt inode bitmap - block_group = 0, inode_bitmap = 20
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
overlayfs: fs on 'file0' does not support file handles, falling back to index=off.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
device lo entered promiscuous mode
EXT4-fs warning (device loop1): ext4_dirent_csum_verify:367: inode #2: comm syz-executor.1: No space for directory leaf checksum. Please run e2fsck -D.
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
overlayfs: fs on './file0' does not support file handles, falling back to index=off.
EXT4-fs error (device loop1): ext4_find_entry:1465: inode #2: comm syz-executor.1: checksumming directory block 0
tmpfs: No value for mount option '*��
'
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
EXT4-fs error (device loop2): ext4_validate_inode_bitmap:100: comm syz-executor.2: Corrupt inode bitmap - block_group = 0, inode_bitmap = 20
device lo entered promiscuous mode
EXT4-fs warning (device loop2): ext4_dirent_csum_verify:367: inode #2: comm syz-executor.2: No space for directory leaf checksum. Please run e2fsck -D.
EXT4-fs error (device loop2): ext4_find_entry:1465: inode #2: comm syz-executor.2: checksumming directory block 0
overlayfs: fs on 'file0' does not support file handles, falling back to index=off.
overlayfs: fs on './file0' does not support file handles, falling back to index=off.
tmpfs: No value for mount option '*��
'
netlink: 5 bytes leftover after parsing attributes in process `syz-executor.4'.
EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs error (device loop3): __ext4_new_inode:930: comm syz-executor.3: reserved inode found cleared - inode=1
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
EXT4-fs error (device loop1): ext4_validate_inode_bitmap:100: comm syz-executor.1: Corrupt inode bitmap - block_group = 0, inode_bitmap = 20
EXT4-fs error (device loop2): ext4_validate_inode_bitmap:100: comm syz-executor.2: Corrupt inode bitmap - block_group = 0, inode_bitmap = 20
EXT4-fs warning (device loop1): ext4_dirent_csum_verify:367: inode #2: comm syz-executor.1: No space for directory leaf checksum. Please run e2fsck -D.
EXT4-fs warning (device loop2): ext4_dirent_csum_verify:367: inode #2: comm syz-executor.2: No space for directory leaf checksum. Please run e2fsck -D.
EXT4-fs error (device loop2): ext4_find_entry:1465: inode #2: comm syz-executor.2: checksumming directory block 0
EXT4-fs error (device loop1): ext4_find_entry:1465: inode #2: comm syz-executor.1: checksumming directory block 0
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs error (device loop3): __ext4_new_inode:930: comm syz-executor.3: reserved inode found cleared - inode=1
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs error (device loop2): ext4_validate_inode_bitmap:100: comm syz-executor.2: Corrupt inode bitmap - block_group = 0, inode_bitmap = 20
EXT4-fs error (device loop3): __ext4_new_inode:930: comm syz-executor.3: reserved inode found cleared - inode=1
EXT4-fs warning (device loop2): ext4_dirent_csum_verify:367: inode #2: comm syz-executor.2: No space for directory leaf checksum. Please run e2fsck -D.
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
EXT4-fs error (device loop2): ext4_find_entry:1465: inode #2: comm syz-executor.2: checksumming directory block 0
EXT4-fs error (device loop1): ext4_validate_inode_bitmap:100: comm syz-executor.1: Corrupt inode bitmap - block_group = 0, inode_bitmap = 20
EXT4-fs warning (device loop1): ext4_dirent_csum_verify:367: inode #2: comm syz-executor.1: No space for directory leaf checksum. Please run e2fsck -D.
EXT4-fs error (device loop1): ext4_find_entry:1465: inode #2: comm syz-executor.1: checksumming directory block 0
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs error (device loop3): __ext4_new_inode:930: comm syz-executor.3: reserved inode found cleared - inode=1
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
EXT4-fs error (device loop2): ext4_validate_inode_bitmap:100: comm syz-executor.2: Corrupt inode bitmap - block_group = 0, inode_bitmap = 20
EXT4-fs error (device loop1): ext4_validate_inode_bitmap:100: comm syz-executor.1: Corrupt inode bitmap - block_group = 0, inode_bitmap = 20
EXT4-fs warning (device loop1): ext4_dirent_csum_verify:367: inode #2: comm syz-executor.1: No space for directory leaf checksum. Please run e2fsck -D.
EXT4-fs error (device loop1): ext4_find_entry:1465: inode #2: comm syz-executor.1: checksumming directory block 0
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs error (device loop3): __ext4_new_inode:930: comm syz-executor.3: reserved inode found cleared - inode=9
device lo entered promiscuous mode
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
EXT4-fs error (device loop2): ext4_validate_inode_bitmap:100: comm syz-executor.2: Corrupt inode bitmap - block_group = 0, inode_bitmap = 20
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs error (device loop3): __ext4_new_inode:930: comm syz-executor.3: reserved inode found cleared - inode=9
EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs error (device loop1): ext4_validate_inode_bitmap:100: comm syz-executor.1: Corrupt inode bitmap - block_group = 0, inode_bitmap = 20
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
EXT4-fs error (device loop2): ext4_validate_inode_bitmap:100: comm syz-executor.2: Corrupt inode bitmap - block_group = 0, inode_bitmap = 20
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
EXT4-fs error (device loop1): ext4_validate_inode_bitmap:100: comm syz-executor.1: Corrupt inode bitmap - block_group = 0, inode_bitmap = 20
EXT4-fs (loop3): VFS: Can't find ext4 filesystem
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
EXT4-fs error (device loop2): ext4_validate_inode_bitmap:100: comm syz-executor.2: Corrupt inode bitmap - block_group = 0, inode_bitmap = 20
EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
EXT4-fs error (device loop1): ext4_validate_inode_bitmap:100: comm syz-executor.1: Corrupt inode bitmap - block_group = 0, inode_bitmap = 20
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): VFS: Can't find ext4 filesystem
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
EXT4-fs error (device loop2): ext4_validate_inode_bitmap:100: comm syz-executor.2: Corrupt inode bitmap - block_group = 0, inode_bitmap = 20
EXT4-fs (loop3): VFS: Can't find ext4 filesystem
nla_parse: 6 callbacks suppressed
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
EXT4-fs error (device loop1): ext4_validate_inode_bitmap:100: comm syz-executor.1: Corrupt inode bitmap - block_group = 0, inode_bitmap = 20
EXT4-fs error (device loop2): ext4_validate_inode_bitmap:100: comm syz-executor.2: Corrupt inode bitmap - block_group = 0, inode_bitmap = 20
EXT4-fs (loop3): group descriptors corrupted!
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): group descriptors corrupted!
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
EXT4-fs error (device loop2): ext4_validate_inode_bitmap:100: comm syz-executor.2: Corrupt inode bitmap - block_group = 0, inode_bitmap = 20
EXT4-fs error (device loop1): ext4_validate_inode_bitmap:100: comm syz-executor.1: Corrupt inode bitmap - block_group = 0, inode_bitmap = 20
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
EXT4-fs (loop3): group descriptors corrupted!
EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
EXT4-fs error (device loop1): ext4_validate_inode_bitmap:100: comm syz-executor.1: Corrupt inode bitmap - block_group = 0, inode_bitmap = 20
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
EXT4-fs (loop3): group descriptors corrupted!
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
netlink: 44 bytes leftover after parsing attributes in process `syz-executor.4'.
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
EXT4-fs (loop3): group descriptors corrupted!
EXT4-fs error (device loop1): ext4_validate_inode_bitmap:100: comm syz-executor.1: Corrupt inode bitmap - block_group = 0, inode_bitmap = 20
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
EXT4-fs (loop3): group descriptors corrupted!
EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
EXT4-fs error (device loop1): ext4_validate_inode_bitmap:100: comm syz-executor.1: Corrupt inode bitmap - block_group = 0, inode_bitmap = 20
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
EXT4-fs (loop3): group descriptors corrupted!
EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
overlayfs: unrecognized mount option "0000000000000000000000418446744073709551615��" or missing value
EXT4-fs error (device loop1): ext4_validate_inode_bitmap:100: comm syz-executor.1: Corrupt inode bitmap - block_group = 0, inode_bitmap = 20
EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): group descriptors corrupted!
EXT4-fs error (device loop1): ext4_validate_inode_bitmap:100: comm syz-executor.1: Corrupt inode bitmap - block_group = 0, inode_bitmap = 20
audit: type=1804 audit(1615806341.945:77): pid=23283 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.4" name="/root/syzkaller-testdir785396700/syzkaller.a6Cep9/287/bus" dev="sda1" ino=16936 res=1
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock
EXT4-fs (loop3): group descriptors corrupted!
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
audit: type=1804 audit(1615806342.765:78): pid=23295 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.4" name="/root/syzkaller-testdir785396700/syzkaller.a6Cep9/287/bus" dev="sda1" ino=16936 res=1
FAULT_INJECTION: forcing a failure.
name fail_futex, interval 1, probability 0, space 0, times 1
CPU: 1 PID: 23311 Comm: syz-executor.0 Not tainted 4.14.225-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+0x1b2/0x281 lib/dump_stack.c:58
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold+0x10a/0x149 lib/fault-inject.c:149
should_fail_futex kernel/futex.c:309 [inline]
get_futex_key+0x82a/0x1160 kernel/futex.c:573
audit: type=1804 audit(1615806342.855:79): pid=23341 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.4" name="/root/syzkaller-testdir785396700/syzkaller.a6Cep9/287/bus" dev="sda1" ino=16936 res=1
futex_wake+0xc6/0x3c0 kernel/futex.c:1694