[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.59' (ECDSA) to the list of known hosts. 2019/09/23 16:06:36 fuzzer started 2019/09/23 16:06:38 dialing manager at 10.128.0.105:39633 2019/09/23 16:06:38 syscalls: 2425 2019/09/23 16:06:38 code coverage: CONFIG_KCOV is not enabled 2019/09/23 16:06:38 comparison tracing: CONFIG_KCOV is not enabled 2019/09/23 16:06:38 extra coverage: CONFIG_KCOV is not enabled 2019/09/23 16:06:38 setuid sandbox: enabled 2019/09/23 16:06:38 namespace sandbox: enabled 2019/09/23 16:06:38 Android sandbox: /sys/fs/selinux/policy does not exist 2019/09/23 16:06:38 fault injection: kernel does not have systematic fault injection support 2019/09/23 16:06:38 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/09/23 16:06:38 net packet injection: enabled 2019/09/23 16:06:38 net device setup: enabled 16:06:38 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_INITMSG(r0, 0x84, 0xd, &(0x7f0000000040)={0x0, 0xfffffffffffffffc}, 0x8) 16:06:38 executing program 2: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000100)={0x1, &(0x7f00000001c0)=[{0x6, 0x0, 0x0, 0x50000}]}) r0 = openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0) recvfrom$inet6(r0, 0x0, 0x0, 0x0, 0x0, 0x0) 16:06:38 executing program 5: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000100)={0x1, &(0x7f00000001c0)=[{0x6, 0x0, 0x0, 0x50000}]}) setsockopt$IPT_SO_SET_ADD_COUNTERS(0xffffffffffffff9c, 0x0, 0x41, &(0x7f0000000140)=ANY=[], 0x0) 16:06:38 executing program 3: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000100)={0x1, &(0x7f00000001c0)=[{0x6, 0x0, 0x0, 0x50000}]}) r0 = openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0) getsockopt$inet6_buf(r0, 0x29, 0x0, 0x0, 0x0) 16:06:38 executing program 1: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x50000}]}) r0 = openat$cgroup(0xffffffffffffff9c, 0x0, 0x200002, 0x0) ioctl$TIOCGDEV(r0, 0x80045432, 0x0) 16:06:38 executing program 4: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000100)={0x1, &(0x7f00000001c0)=[{0x6, 0x0, 0x0, 0x50000}]}) r0 = openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0) ioctl$TCGETX(r0, 0x5432, 0x0) syzkaller login: [ 42.102696] IPv6: ADDRCONF(NETDEV_CHANGE): nr0: link becomes ready [ 42.109838] IPv6: ADDRCONF(NETDEV_CHANGE): nr5: link becomes ready [ 42.118257] IPVS: Creating netns size=2712 id=1 [ 42.123196] IPv6: ADDRCONF(NETDEV_CHANGE): nr3: link becomes ready [ 42.129947] IPVS: ftp: loaded support on port[0] = 21 [ 42.130132] IPv6: ADDRCONF(NETDEV_CHANGE): nr2: link becomes ready [ 42.130443] IPv6: ADDRCONF(NETDEV_CHANGE): nr1: link becomes ready [ 42.131066] IPv6: ADDRCONF(NETDEV_CHANGE): nr4: link becomes ready [ 42.159382] IPVS: Creating netns size=2712 id=2 [ 42.164118] IPVS: ftp: loaded support on port[0] = 21 [ 42.176656] chnl_net:caif_netlink_parms(): no params data found [ 42.184147] ------------[ cut here ]------------ [ 42.189072] WARNING: CPU: 0 PID: 5761 at net/batman-adv/main.c:750 batadv_tvlv_container_remove+0x7b/0x80() [ 42.199025] Kernel panic - not syncing: panic_on_warn set ... [ 42.199025] [ 42.206371] CPU: 0 PID: 5761 Comm: syz-executor.5 Not tainted 4.4.194 #0 [ 42.213176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.222510] 0000000000000082 ffff8800b23e3870 ffffffff818a6f22 0000000000000000 [ 42.230604] ffffffff82e96378 ffffffff8300ac2f ffff8800b23e38e8 ffffffff8126f9bc [ 42.238639] ffff880000000008 ffff8800b23e38f8 ffff8800b23e3898 ffffffff81274e1f [ 42.246635] Call Trace: [ 42.249191] [] dump_stack+0xa1/0xdf [ 42.254435] [] panic+0xd2/0x225 [ 42.259331] [] ? printk+0x48/0x4a [ 42.264404] [] warn_slowpath_common.cold+0x16/0x16 [ 42.270950] [] warn_slowpath_null+0x15/0x20 [ 42.276888] [] batadv_tvlv_container_remove+0x7b/0x80 [ 42.283692] [] batadv_tvlv_container_register+0xb3/0x120 [ 42.290760] [] batadv_dat_tvlv_container_update+0x26/0x40 [ 42.297911] [] batadv_dat_init+0x6a/0x80 [ 42.303596] [] batadv_mesh_init+0x239/0x290 [ 42.309575] [] batadv_softif_init_late+0x271/0x2c0 [ 42.316139] [] register_netdevice+0xfa/0x450 [ 42.322182] [] rtnl_newlink+0x8a5/0x910 [ 42.327772] [] ? rtnl_newlink+0x17d/0x910 [ 42.333538] [] rtnetlink_rcv_msg+0x170/0x1e0 [ 42.339561] [] ? trace_hardirqs_on+0xd/0x10 [ 42.345497] [] ? mutex_lock_nested+0x30a/0x5a0 [ 42.351695] [] ? rtnetlink_rcv+0x17/0x30 [ 42.357372] [] ? rtnetlink_rcv+0x30/0x30 [ 42.363066] [] netlink_rcv_skb+0x31/0xc0 [ 42.368743] [] rtnetlink_rcv+0x26/0x30 [ 42.374269] [] netlink_unicast+0x168/0x210 [ 42.380132] [] netlink_sendmsg+0x1f1/0x390 [ 42.386001] [] sock_sendmsg+0x35/0x40 [ 42.391418] [] SYSC_sendto+0xed/0x160 [ 42.396837] [] ? sock_alloc_file+0x8c/0x120 [ 42.402776] [] ? fd_install+0x22/0x30 [ 42.408204] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 42.414661] [] SyS_sendto+0x9/0x10 [ 42.419821] [] entry_SYSCALL_64_fastpath+0x1c/0x7c [ 42.427680] Kernel Offset: disabled [ 42.431321] Rebooting in 86400 seconds..