[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [ 15.096917] sshd (5675) used greatest stack depth: 11912 bytes left [....] 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 '10.128.0.204' (ECDSA) to the list of known hosts. 2019/09/23 14:34:09 fuzzer started 2019/09/23 14:34:11 dialing manager at 10.128.0.105:39633 2019/09/23 14:34:11 syscalls: 2425 2019/09/23 14:34:11 code coverage: CONFIG_KCOV is not enabled 2019/09/23 14:34:11 comparison tracing: CONFIG_KCOV is not enabled 2019/09/23 14:34:11 extra coverage: CONFIG_KCOV is not enabled 2019/09/23 14:34:11 setuid sandbox: enabled 2019/09/23 14:34:11 namespace sandbox: enabled 2019/09/23 14:34:11 Android sandbox: /sys/fs/selinux/policy does not exist 2019/09/23 14:34:11 fault injection: kernel does not have systematic fault injection support 2019/09/23 14:34:11 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/09/23 14:34:11 net packet injection: enabled 2019/09/23 14:34:11 net device setup: enabled 14:34:11 executing program 0: 14:34:11 executing program 2: 14:34:11 executing program 5: 14:34:11 executing program 3: 14:34:11 executing program 1: 14:34:11 executing program 4: syzkaller login: [ 46.273307] IPv6: ADDRCONF(NETDEV_CHANGE): nr0: link becomes ready [ 46.280025] IPv6: ADDRCONF(NETDEV_CHANGE): nr3: link becomes ready [ 46.287065] IPv6: ADDRCONF(NETDEV_CHANGE): nr1: link becomes ready [ 46.294221] IPv6: ADDRCONF(NETDEV_CHANGE): nr2: link becomes ready [ 46.301450] IPv6: ADDRCONF(NETDEV_CHANGE): nr5: link becomes ready [ 46.308474] IPv6: ADDRCONF(NETDEV_CHANGE): nr4: link becomes ready [ 46.310349] IPVS: Creating netns size=2712 id=1 [ 46.310362] IPVS: ftp: loaded support on port[0] = 21 [ 46.330706] IPVS: Creating netns size=2712 id=2 [ 46.335548] IPVS: ftp: loaded support on port[0] = 21 [ 46.348548] IPVS: Creating netns size=2712 id=3 [ 46.353311] IPVS: ftp: loaded support on port[0] = 21 [ 46.372475] chnl_net:caif_netlink_parms(): no params data found [ 46.379545] ------------[ cut here ]------------ [ 46.384331] WARNING: CPU: 1 PID: 5811 at net/batman-adv/main.c:750 batadv_tvlv_container_remove+0x7b/0x80() [ 46.394316] Kernel panic - not syncing: panic_on_warn set ... [ 46.394316] [ 46.401655] CPU: 1 PID: 5811 Comm: syz-executor.0 Not tainted 4.4.194 #0 [ 46.409419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.418763] 0000000000000082 ffff8800acddb870 ffffffff818a6f22 0000000000000000 [ 46.426768] ffffffff82e96378 ffffffff8300ac2f ffff8800acddb8e8 ffffffff8126f9bc [ 46.434765] ffff880000000008 ffff8800acddb8f8 ffff8800acddb898 ffffffff81274e1f [ 46.442772] Call Trace: [ 46.445338] [] dump_stack+0xa1/0xdf [ 46.450610] [] panic+0xd2/0x225 [ 46.455514] [] ? printk+0x48/0x4a [ 46.460588] [] warn_slowpath_common.cold+0x16/0x16 [ 46.467300] [] warn_slowpath_null+0x15/0x20 [ 46.473259] [] batadv_tvlv_container_remove+0x7b/0x80 [ 46.480077] [] batadv_tvlv_container_register+0xb3/0x120 [ 46.487149] [] batadv_dat_tvlv_container_update+0x26/0x40 [ 46.494329] [] batadv_dat_init+0x6a/0x80 [ 46.500098] [] batadv_mesh_init+0x239/0x290 [ 46.507256] [] batadv_softif_init_late+0x271/0x2c0 [ 46.513898] [] register_netdevice+0xfa/0x450 [ 46.519929] [] rtnl_newlink+0x8a5/0x910 [ 46.525522] [] ? rtnl_newlink+0x17d/0x910 [ 46.531290] [] rtnetlink_rcv_msg+0x170/0x1e0 [ 46.537336] [] ? trace_hardirqs_on+0xd/0x10 [ 46.543296] [] ? mutex_lock_nested+0x30a/0x5a0 [ 46.549514] [] ? rtnetlink_rcv+0x17/0x30 [ 46.555336] [] ? rtnetlink_rcv+0x30/0x30 [ 46.561025] [] netlink_rcv_skb+0x31/0xc0 [ 46.566710] [] rtnetlink_rcv+0x26/0x30 [ 46.572227] [] netlink_unicast+0x168/0x210 [ 46.578381] [] netlink_sendmsg+0x1f1/0x390 [ 46.584358] [] sock_sendmsg+0x35/0x40 [ 46.589793] [] SYSC_sendto+0xed/0x160 [ 46.595230] [] ? sock_alloc_file+0x8c/0x120 [ 46.601174] [] ? fd_install+0x22/0x30 [ 46.606596] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 46.613073] [] SyS_sendto+0x9/0x10 [ 46.618250] [] entry_SYSCALL_64_fastpath+0x1c/0x7c [ 46.626399] Kernel Offset: disabled [ 46.630050] Rebooting in 86400 seconds..