[....] Starting enhanced syslogd: rsyslogd[   12.716670] audit: type=1400 audit(1538125490.781:4): avc:  denied  { syslog } for  pid=1907 comm="rsyslogd" capability=34  scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1
[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
Starting mcstransd: 
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

Warning: Permanently added '10.128.10.37' (ECDSA) to the list of known hosts.
net.ipv6.conf.syz_tun.accept_dad = 0
net.ipv6.conf.syz_tun.router_solicitations = 0
net.ipv6.conf.syz_tun.accept_dad = 0
net.ipv6.conf.syz_tun.router_solicitations = 0
net.ipv6.conf.syz_tun.accept_dad = 0
net.ipv6.conf.syz_tun.router_solicitations = 0
net.ipv6.conf.syz_tun.accept_dad = 0
net.ipv6.conf.syz_tun.router_solicitations = 0
net.ipv6.conf.syz_tun.accept_dad = 0
net.ipv6.conf.syz_tun.router_solicitations = 0
RTNETLINK answers: Operation not supported
net.ipv6.conf.syz_tun.accept_dad = 0
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
net.ipv6.conf.syz_tun.router_solicitations = 0
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
Error: argument "bridge0" is wrong: Device does not exist

RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
Error: argument "bridge0" is wrong: Device does not exist

RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
Error: argument "bridge0" is wrong: Device does not exist

RTNETLINK answers: Operation not supported
Error: argument "bridge0" is wrong: Device does not exist

Cannot find device "veth0_to_bridge"
Error: argument "bridge0" is wrong: Device does not exist

RTNETLINK answers: Operation not supported
Error: argument "bridge0" is wrong: Device does not exist

RTNETLINK answers: Operation not supported
Cannot find device "veth1_to_bridge"
Cannot find device "veth0_to_bridge"
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
Cannot find device "veth0_to_bridge"
Cannot find device "veth1_to_bridge"
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
Cannot find device "veth1_to_bridge"
Error: argument "bridge0" is wrong: Device does not exist

RTNETLINK answers: Operation not supported
Error: argument "bridge0" is wrong: Device does not exist

RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
Error: argument "bridge0" is wrong: Device does not exist

RTNETLINK answers: Operation not supported
Error: argument "bridge0" is wrong: Device does not exist

RTNETLINK answers: Operation not supported
Error: argument "bond0" is wrong: Device does not exist

Cannot find device "veth0_to_bridge"
RTNETLINK answers: Operation not supported
Error: argument "bond0" is wrong: Device does not exist

Error: argument "bridge0" is wrong: Device does not exist

Cannot find device "veth0_to_bridge"
Error: argument "bridge0" is wrong: Device does not exist

Cannot find device "veth0_to_bond"
Cannot find device "veth1_to_bridge"
RTNETLINK answers: Operation not supported
Error: argument "bond0" is wrong: Device does not exist

Cannot find device "veth1_to_bridge"
Cannot find device "veth0_to_bridge"
Cannot find device "veth1_to_bond"
Error: argument "bond0" is wrong: Device does not exist

Error: argument "bond0" is wrong: Device does not exist

RTNETLINK answers: Operation not supported
Cannot find device "veth1_to_bridge"
RTNETLINK answers: Operation not supported
Cannot find device "veth0_to_bond"
Error: argument "bond0" is wrong: Device does not exist

RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
Cannot find device "veth0_to_bond"
Error: argument "bond0" is wrong: Device does not exist

Error: argument "bond0" is wrong: Device does not exist

Cannot find device "veth1_to_bond"
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
Error: argument "bond0" is wrong: Device does not exist

Cannot find device "veth1_to_bond"
Error: argument "bond0" is wrong: Device does not exist

RTNETLINK answers: Operation not supported
Error: argument "bond0" is wrong: Device does not exist

Error: argument "team0" is wrong: Device does not exist

RTNETLINK answers: Operation not supported
Cannot find device "veth0_to_bond"
Error: argument "bond0" is wrong: Device does not exist

Cannot find device "veth0_to_bond"
RTNETLINK answers: Operation not supported
Error: argument "team0" is wrong: Device does not exist

RTNETLINK answers: Operation not supported
Cannot find device "veth1_to_bond"
Cannot find device "veth0_to_bond"
Error: argument "team0" is wrong: Device does not exist

Cannot find device "veth1_to_bond"
Error: argument "team0" is wrong: Device does not exist

RTNETLINK answers: Operation not supported
Cannot find device "veth1_to_bond"
Cannot find device "veth0_to_team"
Error: argument "team0" is wrong: Device does not exist

Cannot find device "veth1_to_team"
Error: argument "team0" is wrong: Device does not exist

Cannot find device "veth0_to_team"
Cannot find device "bridge_slave_0"
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
Cannot find device "bridge_slave_1"
Cannot find device "veth0_to_team"
RTNETLINK answers: Operation not supported
Cannot find device "veth1_to_team"
Error: argument "team0" is wrong: Device does not exist

RTNETLINK answers: Operation not supported
Cannot find device "bridge_slave_0"
Error: argument "team0" is wrong: Device does not exist

Cannot find device "veth1_to_team"
Error: argument "team0" is wrong: Device does not exist

Cannot find device "bridge_slave_1"
RTNETLINK answers: Operation not supported
Cannot find device "veth0_to_team"
Cannot find device "bridge_slave_0"
Error: argument "team0" is wrong: Device does not exist

Error: argument "team0" is wrong: Device does not exist

Cannot find device "veth1_to_team"
Cannot find device "bridge_slave_1"
Error: argument "team0" is wrong: Device does not exist

Cannot find device "veth0_to_team"
Cannot find device "bridge_slave_0"
Cannot find device "veth0_to_team"
Cannot find device "veth1_to_team"
RTNETLINK answers: Operation not supported
Cannot find device "veth1_to_team"
Cannot find device "bridge_slave_1"
RTNETLINK answers: Operation not supported
Cannot find device "bridge_slave_0"
Cannot find device "bridge_slave_0"
Cannot find device "bridge_slave_1"
Cannot find device "bridge_slave_1"
Cannot find device "bridge0"
Cannot find device "bridge0"
Cannot find device "bridge0"
Cannot find device "bridge0"
Cannot find device "bridge0"
RTNETLINK answers: Operation not supported
Cannot find device "bridge0"
Cannot find device "bridge0"
Cannot find device "vcan0"
Cannot find device "bridge0"
Cannot find device "vcan0"
Cannot find device "bridge0"
Cannot find device "vcan0"
RTNETLINK answers: Operation not supported
Cannot find device "vcan0"
Cannot find device "bridge0"
Cannot find device "bridge0"
RTNETLINK answers: Operation not supported
Cannot find device "bridge0"
Cannot find device "bridge0"
Cannot find device "vcan0"
Cannot find device "tunl0"
Cannot find device "vcan0"
RTNETLINK answers: Operation not supported
Cannot find device "vcan0"
Cannot find device "bridge0"
Cannot find device "vcan0"
Cannot find device "vcan0"
Cannot find device "tunl0"
Cannot find device "bridge0"
Cannot find device "vcan0"
Cannot find device "bridge0"
Cannot find device "vcan0"
Cannot find device "bridge0"
Cannot find device "bridge0"
Cannot find device "tunl0"
Cannot find device "bridge0"
Cannot find device "tunl0"
Cannot find device "vcan0"
Cannot find device "bridge0"
Cannot find device "bridge0"
Cannot find device "vcan0"
Cannot find device "tunl0"
Cannot find device "tunl0"
Cannot find device "gre0"
Cannot find device "tunl0"
Cannot find device "bridge0"
Cannot find device "tunl0"
Cannot find device "bridge0"
Cannot find device "vcan0"
Cannot find device "tunl0"
Cannot find device "bridge0"
Cannot find device "vcan0"
Cannot find device "vcan0"
Cannot find device "gre0"
Cannot find device "tunl0"
Cannot find device "vcan0"
Cannot find device "tunl0"
Cannot find device "gre0"
Cannot find device "vcan0"
Cannot find device "gre0"
Cannot find device "vcan0"
Cannot find device "vcan0"
Cannot find device "gre0"
Cannot find device "gre0"
Cannot find device "tunl0"
Cannot find device "vcan0"
Cannot find device "vcan0"
Cannot find device "vcan0"
Cannot find device "gretap0"
Cannot find device "vcan0"
Cannot find device "tunl0"
Cannot find device "gre0"
Cannot find device "gre0"
Cannot find device "tunl0"
Cannot find device "tunl0"
Cannot find device "tunl0"
Cannot find device "gretap0"
Cannot find device "gre0"
Cannot find device "tunl0"
Cannot find device "gretap0"
Cannot find device "tunl0"
Cannot find device "tunl0"
Cannot find device "gre0"
Cannot find device "gre0"
Cannot find device "tunl0"
Cannot find device "tunl0"
Cannot find device "gretap0"
Cannot find device "gre0"
Cannot find device "gretap0"
Cannot find device "tunl0"
Cannot find device "tunl0"
Cannot find device "gre0"
Cannot find device "gretap0"
Cannot find device "tunl0"
Cannot find device "gretap0"
Cannot find device "gre0"
Cannot find device "gretap0"
Cannot find device "gre0"
Cannot find device "gre0"
Cannot find device "gretap0"
Cannot find device "gretap0"
Cannot find device "gre0"
Cannot find device "gre0"
RTNETLINK answers: Operation not supported
Cannot find device "gre0"
Cannot find device "gre0"
Cannot find device "gretap0"
Cannot find device "gre0"
Cannot find device "gre0"
Cannot find device "gretap0"
Cannot find device "gre0"
Cannot find device "gre0"
RTNETLINK answers: Operation not supported
Cannot find device "gretap0"
Cannot find device "gretap0"
Cannot find device "gretap0"
Cannot find device "gretap0"
RTNETLINK answers: Invalid argument
Cannot find device "gretap0"
Cannot find device "gretap0"
Cannot find device "gretap0"
RTNETLINK answers: Operation not supported
Cannot find device "gretap0"
Cannot find device "gretap0"
Cannot find device "gretap0"
Cannot find device "gretap0"
Cannot find device "gretap0"
RTNETLINK answers: Invalid argument
RTNETLINK answers: Operation not supported
RTNETLINK answers: Invalid argument
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
RTNETLINK answers: Invalid argument
Cannot find device "ip6gre0"
Cannot find device "ip6gre0"
RTNETLINK answers: Invalid argument
Cannot find device "ip6gre0"
RTNETLINK answers: Invalid argument
RTNETLINK answers: Invalid argument
RTNETLINK answers: Invalid argument
Cannot find device "ip6gre0"
Cannot find device "ip6gretap0"
Cannot find device "ip6gre0"
RTNETLINK answers: Invalid argument
Cannot find device "ip6gre0"
Cannot find device "ip6gretap0"
Cannot find device "ip6gre0"
RTNETLINK answers: Invalid argument
Cannot find device "ip6gre0"
Cannot find device "ip6gre0"
Cannot find device "ip6gretap0"
RTNETLINK answers: Invalid argument
Cannot find device "ip6gretap0"
Cannot find device "ip6gre0"
Cannot find device "ip6gre0"
Cannot find device "ip6gre0"
RTNETLINK answers: Invalid argument
Cannot find device "ip6gre0"
Cannot find device "ip6gre0"
Cannot find device "erspan0"
Cannot find device "ip6gretap0"
Cannot find device "ip6gretap0"
Cannot find device "ip6gre0"
Cannot find device "ip6gre0"
Cannot find device "ip6gre0"
Cannot find device "ip6gretap0"
Cannot find device "ip6gre0"
Cannot find device "ip6gretap0"
Cannot find device "erspan0"
Cannot find device "ip6gre0"
Cannot find device "ip6gretap0"
Cannot find device "ip6gre0"
Cannot find device "ip6gre0"
Cannot find device "erspan0"
Cannot find device "ip6gre0"
Cannot find device "ip6gretap0"
Cannot find device "ip6gretap0"
Cannot find device "ip6gretap0"
Cannot find device "erspan0"
Cannot find device "ip6gretap0"
Cannot find device "ip6gretap0"
Cannot find device "erspan0"
Cannot find device "ip6gre0"
Cannot find device "ip6gretap0"
Cannot find device "erspan0"
Cannot find device "ip6gretap0"
Cannot find device "ip6gretap0"
Cannot find device "ip6gre0"
Cannot find device "bond0"
Cannot find device "erspan0"
Cannot find device "ip6gretap0"
Cannot find device "ip6gretap0"
Cannot find device "erspan0"
Cannot find device "erspan0"
Cannot find device "erspan0"
Cannot find device "bond0"
Cannot find device "ip6gretap0"
Cannot find device "ip6gretap0"
Cannot find device "bond0"
Cannot find device "erspan0"
Cannot find device "erspan0"
Cannot find device "ip6gretap0"
Cannot find device "erspan0"
Cannot find device "bond0"
Cannot find device "erspan0"
Cannot find device "erspan0"
Cannot find device "bond0"
Cannot find device "erspan0"
Cannot find device "erspan0"
Cannot find device "ip6gretap0"
Cannot find device "bond0"
Cannot find device "veth0"
Cannot find device "erspan0"
Cannot find device "ip6gretap0"
Cannot find device "bond0"
Cannot find device "veth0"
Cannot find device "bond0"
Cannot find device "bond0"
Cannot find device "bond0"
Cannot find device "erspan0"
Cannot find device "erspan0"
Cannot find device "bond0"
Cannot find device "veth0"
Cannot find device "veth0"
Cannot find device "bond0"
Cannot find device "veth0"
Cannot find device "erspan0"
Cannot find device "bond0"
Cannot find device "erspan0"
Cannot find device "veth0"
Cannot find device "bond0"
Cannot find device "bond0"
Cannot find device "bond0"
Cannot find device "veth1"
Cannot find device "bond0"
Cannot find device "veth0"
Cannot find device "erspan0"
Cannot find device "veth0"
Cannot find device "bond0"
Cannot find device "veth1"
Cannot find device "veth0"
Cannot find device "erspan0"
Cannot find device "bond0"
Cannot find device "veth0"
Cannot find device "veth0"
Cannot find device "bond0"
Cannot find device "veth0"
Cannot find device "bond0"
Cannot find device "veth1"
Cannot find device "veth1"
Cannot find device "veth0"
Cannot find device "veth0"
Cannot find device "veth1"
Cannot find device "bond0"
Cannot find device "veth1"
Cannot find device "veth0"
Cannot find device "veth0"
Cannot find device "bond0"
Cannot find device "bond0"
Cannot find device "veth1"
Cannot find device "team0"
Cannot find device "veth1"
Cannot find device "veth1"
Cannot find device "veth0"
Cannot find device "veth0"
Cannot find device "team0"
Cannot find device "veth0"
Cannot find device "veth1"
Cannot find device "veth1"
Cannot find device "veth0"
Cannot find device "veth0"
Cannot find device "veth1"
Cannot find device "veth1"
Cannot find device "team0"
Cannot find device "team0"
Cannot find device "veth0"
Cannot find device "team0"
Cannot find device "team0"
Cannot find device "team0"
Cannot find device "veth1"
Cannot find device "veth1"
Cannot find device "veth0"
Cannot find device "veth1"
Cannot find device "team0"
Cannot find device "team0"
Cannot find device "veth0_to_bridge"
Cannot find device "veth0"
Cannot find device "veth1"
Cannot find device "team0"
Cannot find device "team0"
Cannot find device "veth0_to_bridge"
Cannot find device "veth1"
Cannot find device "team0"
Cannot find device "veth0_to_bridge"
Cannot find device "veth0_to_bridge"
Cannot find device "veth1"
Cannot find device "veth1"
Cannot find device "veth1"
Cannot find device "veth0_to_bridge"
Cannot find device "veth0_to_bridge"
Cannot find device "veth1"
Cannot find device "veth0_to_bridge"
Cannot find device "team0"
Cannot find device "veth0_to_bridge"
Cannot find device "veth1"
Cannot find device "veth1_to_bridge"
Cannot find device "veth0_to_bridge"
Cannot find device "team0"
Cannot find device "team0"
Cannot find device "veth0_to_bridge"
Cannot find device "veth0_to_bridge"
Cannot find device "veth1_to_bridge"
Cannot find device "veth1"
Cannot find device "team0"
Cannot find device "team0"
Cannot find device "veth1_to_bridge"
Cannot find device "veth0_to_bridge"
Cannot find device "veth1_to_bridge"
Cannot find device "team0"
Cannot find device "team0"
Cannot find device "veth1_to_bridge"
Cannot find device "veth1_to_bridge"
Cannot find device "team0"
Cannot find device "team0"
Cannot find device "veth1_to_bridge"
Cannot find device "team0"
Cannot find device "veth0_to_bridge"
Cannot find device "veth0_to_bridge"
Cannot find device "veth0_to_bridge"
Cannot find device "team0"
Cannot find device "veth0_to_bond"
Cannot find device "veth1_to_bridge"
Cannot find device "veth0_to_bridge"
Cannot find device "veth1_to_bridge"
Cannot find device "team0"
Cannot find device "veth0_to_bridge"
Cannot find device "veth0_to_bond"
Cannot find device "veth0_to_bond"
Cannot find device "veth1_to_bridge"
Cannot find device "veth0_to_bridge"
Cannot find device "veth0_to_bridge"
Cannot find device "veth1_to_bridge"
Cannot find device "veth0_to_bond"
Cannot find device "veth0_to_bridge"
Cannot find device "veth0_to_bond"
Cannot find device "veth0_to_bridge"
Cannot find device "veth1_to_bridge"
Cannot find device "veth1_to_bridge"
Cannot find device "veth0_to_bridge"
Cannot find device "veth0_to_bond"
Cannot find device "veth0_to_bond"
Cannot find device "veth0_to_bridge"
Cannot find device "veth1_to_bond"
Cannot find device "veth1_to_bridge"
Cannot find device "veth0_to_bond"
Cannot find device "veth1_to_bond"
Cannot find device "veth0_to_bond"
Cannot find device "veth0_to_bridge"
Cannot find device "veth1_to_bridge"
Cannot find device "veth1_to_bridge"
Cannot find device "veth0_to_bond"
Cannot find device "veth1_to_bridge"
Cannot find device "veth1_to_bond"
Cannot find device "veth0_to_bond"
Cannot find device "veth1_to_bridge"
Cannot find device "veth0_to_bond"
Cannot find device "veth1_to_bridge"
Cannot find device "veth1_to_bridge"
Cannot find device "veth1_to_bond"
Cannot find device "veth1_to_bond"
Cannot find device "veth1_to_bond"
Cannot find device "veth1_to_bridge"
Cannot find device "veth0_to_bond"
Cannot find device "veth1_to_bond"
Cannot find device "veth1_to_bond"
Cannot find device "veth0_to_team"
Cannot find device "veth1_to_bridge"
Cannot find device "veth1_to_bridge"
Cannot find device "veth1_to_bond"
Cannot find device "veth0_to_bond"
Cannot find device "veth0_to_team"
Cannot find device "veth1_to_bond"
Cannot find device "veth1_to_bond"
Cannot find device "veth0_to_bond"
Cannot find device "veth1_to_bridge"
Cannot find device "veth0_to_bond"
Cannot find device "veth0_to_team"
Cannot find device "veth0_to_team"
Cannot find device "veth1_to_bond"
Cannot find device "veth0_to_bond"
Cannot find device "veth0_to_bond"
Cannot find device "veth0_to_bond"
Cannot find device "veth0_to_team"
Cannot find device "veth0_to_team"
Cannot find device "veth0_to_bond"
Cannot find device "veth0_to_team"
Cannot find device "veth0_to_team"
Cannot find device "veth0_to_bond"
Cannot find device "veth1_to_bond"
Cannot find device "veth0_to_bond"
Cannot find device "veth1_to_team"
Cannot find device "veth0_to_team"
Cannot find device "veth0_to_team"
Cannot find device "veth1_to_team"
Cannot find device "veth0_to_bond"
Cannot find device "veth1_to_bond"
Cannot find device "veth0_to_team"
Cannot find device "veth1_to_bond"
Cannot find device "veth0_to_bond"
Cannot find device "veth1_to_team"
Cannot find device "veth1_to_bond"
Cannot find device "veth1_to_bond"
Cannot find device "veth0_to_team"
Cannot find device "veth1_to_team"
Cannot find device "veth1_to_bond"
Cannot find device "veth1_to_team"
Cannot find device "veth1_to_bond"
Cannot find device "veth1_to_team"
Cannot find device "veth1_to_bond"
Cannot find device "veth1_to_team"
Cannot find device "veth0_to_team"
Cannot find device "veth1_to_bond"
Cannot find device "veth1_to_team"
Cannot find device "veth1_to_team"
Cannot find device "veth1_to_bond"
executing program
Cannot find device "veth1_to_bond"
Cannot find device "veth1_to_team"
Cannot find device "veth1_to_team"
Cannot find device "veth0_to_team"
Cannot find device "veth0_to_team"
Cannot find device "veth1_to_bond"
Cannot find device "veth0_to_team"
Cannot find device "veth1_to_team"
Cannot find device "veth0_to_team"
Cannot find device "veth0_to_team"
Cannot find device "veth0_to_team"
executing program
Cannot find device "veth0_to_team"
Cannot find device "veth0_to_team"
Cannot find device "veth0_to_team"
executing program
Cannot find device "veth1_to_team"
Cannot find device "veth1_to_team"
Cannot find device "veth0_to_team"
Cannot find device "veth1_to_team"
Cannot find device "veth1_to_team"
executing program
executing program
executing program
Cannot find device "veth1_to_team"
Cannot find device "veth0_to_team"
Cannot find device "veth1_to_team"
Cannot find device "veth1_to_team"
Cannot find device "veth1_to_team"
Cannot find device "veth1_to_team"
Cannot find device "veth1_to_team"
executing program
executing program
executing program
Cannot find device "veth1_to_team"
Cannot find device "veth1_to_team"
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
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syzkaller login: [   43.758781] 
[   43.760519] ======================================================
[   43.766810] [ INFO: possible circular locking dependency detected ]
[   43.773188] 4.4.158+ #105 Not tainted
[   43.776976] -------------------------------------------------------
[   43.783351] syz-executor392/4816 is trying to acquire lock:
[   43.789032]  (&sig->cred_guard_mutex){+.+.+.}, at: [<ffffffff815e2cb4>] lock_trace+0x44/0xc0
[   43.798075] 
[   43.798075] but task is already holding lock:
[   43.804105]  (&p->lock){+.+.+.}, at: [<ffffffff815013dd>] seq_read+0xdd/0x12b0
[   43.811940] 
[   43.811940] which lock already depends on the new lock.
[   43.811940] 
[   43.820225] 
[   43.820225] the existing dependency chain (in reverse order) is:
[   43.827822] 
-> #7 (&p->lock){+.+.+.}:
[   43.832383]        [<ffffffff81202efe>] lock_acquire+0x15e/0x450
[   43.838623]        [<ffffffff826fa4fb>] mutex_lock_nested+0xbb/0x8d0
[   43.845211]        [<ffffffff815013dd>] seq_read+0xdd/0x12b0
[   43.851101]        [<ffffffff814914d8>] do_loop_readv_writev+0x148/0x1e0
[   43.858034]        [<ffffffff81493311>] do_readv_writev+0x581/0x6f0
[   43.864561]        [<ffffffff814934f8>] vfs_readv+0x78/0xb0
[   43.870384]        [<ffffffff8152f69f>] default_file_splice_read+0x50f/0x8f0
[   43.877675]        [<ffffffff8152b577>] do_splice_to+0xf7/0x140
[   43.883823]        [<ffffffff8152b802>] splice_direct_to_actor+0x242/0x830
[   43.890931]        [<ffffffff8152bf93>] do_splice_direct+0x1a3/0x270
[   43.897658]        [<ffffffff81494734>] do_sendfile+0x4e4/0xb80
[   43.903812]        [<ffffffff81496723>] SyS_sendfile64+0xc3/0x150
[   43.910143]        [<ffffffff82705a61>] entry_SYSCALL_64_fastpath+0x1e/0x9a
[   43.917339] 
-> #6 (sb_writers#4){.+.+.+}:
[   43.922243]        [<ffffffff81202efe>] lock_acquire+0x15e/0x450
[   43.928498]        [<ffffffff81498e0e>] __sb_start_write+0x1ae/0x310
[   43.935093]        [<ffffffff816bb0c7>] ext4_lazyinit_thread+0x1a7/0x750
[   43.942024]        [<ffffffff81134038>] kthread+0x268/0x300
[   43.947835]        [<ffffffff82705e45>] ret_from_fork+0x55/0x80
[   43.953985] 
-> #5 (&eli->li_list_mtx){+.+...}:
[   43.959197]        [<ffffffff81202efe>] lock_acquire+0x15e/0x450
[   43.965472]        [<ffffffff826fa4fb>] mutex_lock_nested+0xbb/0x8d0
[   43.972070]        [<ffffffff816c51c4>] ext4_register_li_request+0x304/0x7a0
[   43.979357]        [<ffffffff816c69c8>] ext4_remount+0x1368/0x1bb0
[   43.985765]        [<ffffffff8149c0b8>] do_remount_sb2+0x428/0x7d0
[   43.992300]        [<ffffffff814fbffe>] do_mount+0x101e/0x2a10
[   43.998367]        [<ffffffff814fe541>] SyS_mount+0x191/0x1c0
[   44.004375]        [<ffffffff82705a61>] entry_SYSCALL_64_fastpath+0x1e/0x9a
[   44.011576] 
-> #4 (&ext4_li_mtx){+.+.+.}:
[   44.016352]        [<ffffffff81202efe>] lock_acquire+0x15e/0x450
[   44.022590]        [<ffffffff826fa4fb>] mutex_lock_nested+0xbb/0x8d0
[   44.029173]        [<ffffffff816c4f47>] ext4_register_li_request+0x87/0x7a0
[   44.036364]        [<ffffffff816c69c8>] ext4_remount+0x1368/0x1bb0
[   44.042808]        [<ffffffff8149c0b8>] do_remount_sb2+0x428/0x7d0
[   44.049221]        [<ffffffff814fbffe>] do_mount+0x101e/0x2a10
[   44.055308]        [<ffffffff814fe541>] SyS_mount+0x191/0x1c0
[   44.061290]        [<ffffffff82705a61>] entry_SYSCALL_64_fastpath+0x1e/0x9a
[   44.068485] 
-> #3 (&type->s_umount_key#34){++++++}:
[   44.074247]        [<ffffffff81202efe>] lock_acquire+0x15e/0x450
[   44.080498]        [<ffffffff82700a72>] down_read+0x42/0x60
[   44.086310]        [<ffffffff8149b7d1>] iterate_supers+0xe1/0x260
[   44.092633]        [<ffffffff8199de54>] selinux_complete_init+0x2f/0x31
[   44.099473]        [<ffffffff8198faa6>] security_load_policy+0x886/0x9b0
[   44.106411]        [<ffffffff819659d1>] sel_write_load+0x191/0xfc0
[   44.112821]        [<ffffffff81490d7c>] __vfs_write+0x11c/0x3e0
[   44.118982]        [<ffffffff81492a2e>] vfs_write+0x17e/0x4e0
[   44.124960]        [<ffffffff81495069>] SyS_write+0xd9/0x1c0
[   44.130865]        [<ffffffff82705a61>] entry_SYSCALL_64_fastpath+0x1e/0x9a
[   44.138159] 
-> #2 (sel_mutex){+.+.+.}:
[   44.142678]        [<ffffffff81202efe>] lock_acquire+0x15e/0x450
[   44.148917]        [<ffffffff826fa4fb>] mutex_lock_nested+0xbb/0x8d0
[   44.155510]        [<ffffffff819634b7>] sel_commit_bools_write+0x87/0x250
[   44.162531]        [<ffffffff81490d7c>] __vfs_write+0x11c/0x3e0
[   44.168685]        [<ffffffff8149114a>] __kernel_write+0x10a/0x350
[   44.175096]        [<ffffffff8152c1bd>] write_pipe_buf+0x15d/0x1f0
[   44.181515]        [<ffffffff8152d054>] __splice_from_pipe+0x364/0x790
[   44.188287]        [<ffffffff81530119>] splice_from_pipe+0xf9/0x170
[   44.194785]        [<ffffffff8153021c>] default_file_splice_write+0x3c/0x80
[   44.201978]        [<ffffffff815312e1>] SyS_splice+0xde1/0x1430
[   44.208130]        [<ffffffff82705a61>] entry_SYSCALL_64_fastpath+0x1e/0x9a
[   44.215330] 
-> #1 (&pipe->mutex/1){+.+.+.}:
[   44.220401]        [<ffffffff81202efe>] lock_acquire+0x15e/0x450
[   44.226641]        [<ffffffff826fa4fb>] mutex_lock_nested+0xbb/0x8d0
[   44.233231]        [<ffffffff814acb6c>] fifo_open+0x15c/0x9e0
[   44.239227]        [<ffffffff8148bb6d>] do_dentry_open+0x38d/0xbd0
[   44.245642]        [<ffffffff8148f2da>] vfs_open+0x12a/0x210
[   44.251529]        [<ffffffff814beebc>] path_openat+0x50c/0x39a0
[   44.257767]        [<ffffffff814c5fe7>] do_filp_open+0x197/0x270
[   44.264002]        [<ffffffff814a204f>] do_open_execat+0x10f/0x6f0
[   44.270417]        [<ffffffff814a7601>] do_execveat_common.isra.14+0x6a1/0x1f00
[   44.277956]        [<ffffffff814a97d2>] SyS_execve+0x42/0x50
[   44.283846]        [<ffffffff82705d75>] return_from_execve+0x0/0x23
[   44.290348] 
-> #0 (&sig->cred_guard_mutex){+.+.+.}:
[   44.295993]        [<ffffffff811ff31c>] __lock_acquire+0x3e6c/0x5f10
[   44.302583]        [<ffffffff81202efe>] lock_acquire+0x15e/0x450
[   44.308821]        [<ffffffff826fb6ac>] mutex_lock_killable_nested+0xcc/0xa10
[   44.316197]        [<ffffffff815e2cb4>] lock_trace+0x44/0xc0
[   44.322089]        [<ffffffff815e3499>] proc_pid_syscall+0xa9/0x260
[   44.328589]        [<ffffffff815db15d>] proc_single_show+0xfd/0x170
[   44.335093]        [<ffffffff815017b6>] seq_read+0x4b6/0x12b0
[   44.341087]        [<ffffffff814914d8>] do_loop_readv_writev+0x148/0x1e0
[   44.348019]        [<ffffffff81493311>] do_readv_writev+0x581/0x6f0
[   44.354525]        [<ffffffff814934f8>] vfs_readv+0x78/0xb0
[   44.360333]        [<ffffffff8152f69f>] default_file_splice_read+0x50f/0x8f0
[   44.367615]        [<ffffffff8152b577>] do_splice_to+0xf7/0x140
[   44.373766]        [<ffffffff8152b802>] splice_direct_to_actor+0x242/0x830
[   44.380873]        [<ffffffff8152bf93>] do_splice_direct+0x1a3/0x270
[   44.387464]        [<ffffffff81494734>] do_sendfile+0x4e4/0xb80
[   44.393614]        [<ffffffff81496723>] SyS_sendfile64+0xc3/0x150
[   44.399942]        [<ffffffff82705a61>] entry_SYSCALL_64_fastpath+0x1e/0x9a
[   44.407137] 
[   44.407137] other info that might help us debug this:
[   44.407137] 
[   44.415251] Chain exists of:
  &sig->cred_guard_mutex --> sb_writers#4 --> &p->lock

[   44.424143]  Possible unsafe locking scenario:
[   44.424143] 
[   44.430170]        CPU0                    CPU1
[   44.434811]        ----                    ----
[   44.439451]   lock(&p->lock);
[   44.442774]                                lock(sb_writers#4);
[   44.449092]                                lock(&p->lock);
[   44.454936]   lock(&sig->cred_guard_mutex);
[   44.459464] 
[   44.459464]  *** DEADLOCK ***
[   44.459464] 
[   44.465495] 2 locks held by syz-executor392/4816:
[   44.470322]  #0:  (sb_writers#4){.+.+.+}, at: [<ffffffff81494aea>] do_sendfile+0x89a/0xb80
[   44.479429]  #1:  (&p->lock){+.+.+.}, at: [<ffffffff815013dd>] seq_read+0xdd/0x12b0
[   44.487822] 
[   44.487822] stack backtrace:
[   44.492299] CPU: 1 PID: 4816 Comm: syz-executor392 Not tainted 4.4.158+ #105
[   44.499456]  0000000000000000 883dd2029a9f1e36 ffff8800b33e6d98 ffffffff81a991dd
[   44.507460]  ffffffff83ab46a0 ffffffff83ab04d0 ffffffff83aaeb80 ffff8800b318b890
[   44.515446]  ffff8800b318af80 ffff8800b33e6de0 ffffffff813a84da 0000000000000002
[   44.523434] Call Trace:
[   44.526022]  [<ffffffff81a991dd>] dump_stack+0xc1/0x124
[   44.531365]  [<ffffffff813a84da>] print_circular_bug.cold.34+0x2f7/0x432
[   44.538178]  [<ffffffff811ff31c>] __lock_acquire+0x3e6c/0x5f10
[   44.544124]  [<ffffffff811fb4b0>] ? trace_hardirqs_on+0x10/0x10
[   44.550163]  [<ffffffff812ac01a>] ? is_module_text_address+0x2a/0x50
[   44.556631]  [<ffffffff81202efe>] lock_acquire+0x15e/0x450
[   44.562233]  [<ffffffff815e2cb4>] ? lock_trace+0x44/0xc0
[   44.567683]  [<ffffffff826fb6ac>] mutex_lock_killable_nested+0xcc/0xa10
[   44.574415]  [<ffffffff815e2cb4>] ? lock_trace+0x44/0xc0
[   44.579837]  [<ffffffff815e2cb4>] ? lock_trace+0x44/0xc0
[   44.585265]  [<ffffffff826fb5e0>] ? _mutex_lock_nest_lock+0x8d0/0x8d0
[   44.591816]  [<ffffffff811fbf35>] ? __lock_acquire+0xa85/0x5f10
[   44.597851]  [<ffffffff81493311>] ? do_readv_writev+0x581/0x6f0
[   44.603882]  [<ffffffff814934f8>] ? vfs_readv+0x78/0xb0
[   44.609236]  [<ffffffff8152f69f>] ? default_file_splice_read+0x50f/0x8f0
[   44.616059]  [<ffffffff8152b577>] ? do_splice_to+0xf7/0x140
[   44.621742]  [<ffffffff8152b802>] ? splice_direct_to_actor+0x242/0x830
[   44.628380]  [<ffffffff8152bf93>] ? do_splice_direct+0x1a3/0x270
[   44.634500]  [<ffffffff81494734>] ? do_sendfile+0x4e4/0xb80
[   44.640189]  [<ffffffff82705a61>] ? entry_SYSCALL_64_fastpath+0x1e/0x9a
[   44.646919]  [<ffffffff815e2cb4>] lock_trace+0x44/0xc0
[   44.652173]  [<ffffffff815e3499>] proc_pid_syscall+0xa9/0x260
[   44.658036]  [<ffffffff8102e6b6>] ? save_stack_trace+0x26/0x50
[   44.663987]  [<ffffffff8147ea1f>] ? kasan_kmalloc+0xaf/0xc0
[   44.669674]  [<ffffffff8147ad6d>] ? __kmalloc+0x13d/0x330
[   44.675188]  [<ffffffff815e33f0>] ? mem_read+0x70/0x70
[   44.680437]  [<ffffffff811faea7>] ? mark_held_locks+0xc7/0x130
[   44.686386]  [<ffffffff81237987>] ? debug_lockdep_rcu_enabled+0x77/0x90
[   44.693116]  [<ffffffff81af724b>] ? check_preemption_disabled+0x3b/0x170
[   44.699928]  [<ffffffff8112cafb>] ? get_pid_task+0x9b/0x140
[   44.705614]  [<ffffffff815db15d>] proc_single_show+0xfd/0x170
[   44.711474]  [<ffffffff815017b6>] seq_read+0x4b6/0x12b0
[   44.716809]  [<ffffffff81501300>] ? seq_lseek+0x3c0/0x3c0
[   44.722322]  [<ffffffff8155fa70>] ? __fsnotify_update_child_dentry_flags.part.0+0x300/0x300
[   44.730786]  [<ffffffff819426c9>] ? avc_policy_seqno+0x9/0x20
[   44.736651]  [<ffffffff814914d8>] do_loop_readv_writev+0x148/0x1e0
[   44.742950]  [<ffffffff81939e4f>] ? security_file_permission+0x8f/0x1e0
[   44.749693]  [<ffffffff81501300>] ? seq_lseek+0x3c0/0x3c0
[   44.755207]  [<ffffffff81501300>] ? seq_lseek+0x3c0/0x3c0
[   44.760724]  [<ffffffff81493311>] do_readv_writev+0x581/0x6f0
[   44.766583]  [<ffffffff81492d90>] ? vfs_write+0x4e0/0x4e0
[   44.772097]  [<ffffffff813ccd20>] ? __alloc_pages_direct_compact+0x220/0x220
[   44.779259]  [<ffffffff8147e8a5>] ? kasan_unpoison_shadow+0x35/0x50
[   44.785639]  [<ffffffff8147ebb8>] ? kasan_alloc_pages+0x38/0x40
[   44.791671]  [<ffffffff814934f8>] vfs_readv+0x78/0xb0
[   44.796835]  [<ffffffff8152f69f>] default_file_splice_read+0x50f/0x8f0
[   44.803486]  [<ffffffff8152f190>] ? generic_file_splice_read+0x1c0/0x1c0
[   44.810319]  [<ffffffff811faea7>] ? mark_held_locks+0xc7/0x130
[   44.816270]  [<ffffffff81b3478b>] ? depot_save_stack+0x20b/0x5eb
[   44.822392]  [<ffffffff82704f1a>] ? _raw_spin_unlock_irqrestore+0x5a/0x70
[   44.829292]  [<ffffffff8152a890>] ? page_cache_pipe_buf_release+0x70/0x70
[   44.836191]  [<ffffffff82704f05>] ? _raw_spin_unlock_irqrestore+0x45/0x70
[   44.843093]  [<ffffffff8102e6b6>] ? save_stack_trace+0x26/0x50
[   44.849040]  [<ffffffff8147e7a2>] ? kasan_kmalloc.part.1+0x62/0xf0
[   44.855333]  [<ffffffff8147ea1f>] ? kasan_kmalloc+0xaf/0xc0
[   44.861018]  [<ffffffff8147ad6d>] ? __kmalloc+0x13d/0x330
[   44.866529]  [<ffffffff814ac350>] ? alloc_pipe_info+0x340/0x410
[   44.872561]  [<ffffffff8152bc21>] ? splice_direct_to_actor+0x661/0x830
[   44.879225]  [<ffffffff8152bf93>] ? do_splice_direct+0x1a3/0x270
[   44.885350]  [<ffffffff81494734>] ? do_sendfile+0x4e4/0xb80
[   44.891035]  [<ffffffff81496723>] ? SyS_sendfile64+0xc3/0x150
[   44.896893]  [<ffffffff82705a61>] ? entry_SYSCALL_64_fastpath+0x1e/0x9a
[   44.903617]  [<ffffffff81478363>] ? new_slab+0x2d3/0x380
[   44.909041]  [<ffffffff8155ef16>] ? fsnotify+0x866/0x10c0
[   44.914669]  [<ffffffff81492360>] ? rw_verify_area+0x100/0x2f0
[   44.920619]  [<ffffffff8152f190>] ? generic_file_splice_read+0x1c0/0x1c0
[   44.927431]  [<ffffffff8152b577>] do_splice_to+0xf7/0x140
[   44.932940]  [<ffffffff8152b802>] splice_direct_to_actor+0x242/0x830
[   44.939411]  [<ffffffff8152a320>] ? pipe_to_sendpage+0x330/0x330
[   44.945528]  [<ffffffff8152b5c0>] ? do_splice_to+0x140/0x140
[   44.951301]  [<ffffffff81939e4f>] ? security_file_permission+0x8f/0x1e0
[   44.958027]  [<ffffffff81492360>] ? rw_verify_area+0x100/0x2f0
[   44.963982]  [<ffffffff8152bf93>] do_splice_direct+0x1a3/0x270
[   44.969927]  [<ffffffff8152bdf0>] ? splice_direct_to_actor+0x830/0x830
[   44.976567]  [<ffffffff81238263>] ? rcu_sync_lockdep_assert+0x73/0xb0
[   44.983118]  [<ffffffff81498daf>] ? __sb_start_write+0x14f/0x310
[   44.989236]  [<ffffffff81494734>] do_sendfile+0x4e4/0xb80
[   44.994744]  [<ffffffff81494250>] ? __compat_sys_pwritev64+0x170/0x170
[   45.001388]  [<ffffffff8142bb64>] ? __might_fault+0x114/0x1d0
[   45.007254]  [<ffffffff81496723>] SyS_sendfile64+0xc3/0x150
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[   45.012937]  [<ffffffff81496660>] ? SyS_sendfile+0x160/0x160
[   45.018710]  [<ffffffff810022d4>] ? lockdep_sys_exit_thunk+0x12/0x14
[   45.025181]  [<ffffffff82705a61>] entry_SYSCALL_64_fastpath+0x1e/0x9a
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