[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 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 '10.128.0.250' (ECDSA) to the list of known hosts. 2019/09/23 11:39:02 fuzzer started 2019/09/23 11:39:04 dialing manager at 10.128.0.105:39541 2019/09/23 11:39:04 syscalls: 2425 2019/09/23 11:39:04 code coverage: CONFIG_KCOV is not enabled 2019/09/23 11:39:04 comparison tracing: CONFIG_KCOV is not enabled 2019/09/23 11:39:04 extra coverage: CONFIG_KCOV is not enabled 2019/09/23 11:39:04 setuid sandbox: enabled 2019/09/23 11:39:04 namespace sandbox: enabled 2019/09/23 11:39:04 Android sandbox: /sys/fs/selinux/policy does not exist 2019/09/23 11:39:04 fault injection: kernel does not have systematic fault injection support 2019/09/23 11:39:04 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/09/23 11:39:04 net packet injection: enabled 2019/09/23 11:39:04 net device setup: enabled 11:39:04 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) recvmmsg(r0, &(0x7f0000001b80)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0, 0x0) r1 = socket$inet6(0xa, 0x100000003, 0x3a) sendto$inet6(r1, &(0x7f0000000100)="8a4a8a56", 0x4, 0x0, &(0x7f0000000180)={0xa, 0x0, 0x0, @loopback={0x0, 0xac141403}}, 0x1c) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = fcntl$dupfd(r3, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$SIOCGSTAMP(r0, 0x8906, 0x0) 11:39:04 executing program 1: pipe(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r0, &(0x7f0000001240)=[{0x0}, {&(0x7f0000001040)='J', 0x1}], 0x2, 0x0) 11:39:04 executing program 5: open(&(0x7f0000000040)='./file0\x00', 0x2fc, 0x0) r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000080)="11dca50d5e0bcfe47bf070") clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit(0x0) prctl$PR_SET_CHILD_SUBREAPER(0x24, 0x8010002) 11:39:04 executing program 2: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x3e9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = open(&(0x7f0000000140)='./file0\x00', 0x40c2, 0x0) write$9p(r0, 0x0, 0x0) 11:39:04 executing program 3: r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/secure_tcp\x00', 0x2, 0x0) write$cgroup_subtree(r0, &(0x7f0000000080)={[{0x2d, 'rdma'}]}, 0x6) 11:39:04 executing program 4: sched_setattr(0x0, &(0x7f0000000040)={0x30, 0x2}, 0x0) r0 = socket$inet6(0xa, 0x2, 0x0) recvmmsg(r0, &(0x7f0000008880), 0x400000000000249, 0x0, 0x0) pipe(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r2, 0x407, 0x0) socket$inet6(0xa, 0x0, 0x0) close(0xffffffffffffffff) vmsplice(r1, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) sched_setattr(0x0, 0x0, 0x0) r3 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000100)='/dev/nullb0\x00', 0x801, 0x0) ioctl$BLKZEROOUT(r3, 0x127f, &(0x7f0000000080)={0x0, 0x4004400}) syzkaller login: [ 46.897723] IPv6: ADDRCONF(NETDEV_CHANGE): nr0: link becomes ready [ 46.905534] IPv6: ADDRCONF(NETDEV_CHANGE): nr2: link becomes ready [ 46.912279] IPv6: ADDRCONF(NETDEV_CHANGE): nr4: link becomes ready [ 46.919672] IPv6: ADDRCONF(NETDEV_CHANGE): nr3: link becomes ready [ 46.922372] IPVS: Creating netns size=2712 id=1 [ 46.922384] IPVS: ftp: loaded support on port[0] = 21 [ 46.936631] IPv6: ADDRCONF(NETDEV_CHANGE): nr5: link becomes ready [ 46.947358] IPv6: ADDRCONF(NETDEV_CHANGE): nr1: link becomes ready [ 46.955759] IPVS: Creating netns size=2712 id=2 [ 46.960489] IPVS: ftp: loaded support on port[0] = 21 [ 46.973009] chnl_net:caif_netlink_parms(): no params data found [ 46.980214] ------------[ cut here ]------------ [ 46.984987] WARNING: CPU: 0 PID: 5785 at net/batman-adv/main.c:750 batadv_tvlv_container_remove+0x7b/0x80() [ 46.994940] Kernel panic - not syncing: panic_on_warn set ... [ 46.994940] [ 47.002286] CPU: 0 PID: 5785 Comm: syz-executor.4 Not tainted 4.4.194 #0 [ 47.009112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.018438] 0000000000000082 ffff8800b05a7870 ffffffff818a6f22 0000000000000000 [ 47.026432] ffffffff82e96378 ffffffff8300ac2f ffff8800b05a78e8 ffffffff8126f9bc [ 47.034458] ffff880000000008 ffff8800b05a78f8 ffff8800b05a7898 ffffffff81274e1f [ 47.042461] Call Trace: [ 47.045019] [] dump_stack+0xa1/0xdf [ 47.050266] [] panic+0xd2/0x225 [ 47.055165] [] ? printk+0x48/0x4a [ 47.060238] [] warn_slowpath_common.cold+0x16/0x16 [ 47.066788] [] warn_slowpath_null+0x15/0x20 [ 47.072756] [] batadv_tvlv_container_remove+0x7b/0x80 [ 47.079665] [] batadv_tvlv_container_register+0xb3/0x120 [ 47.086734] [] batadv_dat_tvlv_container_update+0x26/0x40 [ 47.093925] [] batadv_dat_init+0x6a/0x80 [ 47.099607] [] batadv_mesh_init+0x239/0x290 [ 47.105548] [] batadv_softif_init_late+0x271/0x2c0 [ 47.112099] [] register_netdevice+0xfa/0x450 [ 47.118135] [] rtnl_newlink+0x8a5/0x910 [ 47.123728] [] ? rtnl_newlink+0x17d/0x910 [ 47.129496] [] rtnetlink_rcv_msg+0x170/0x1e0 [ 47.135524] [] ? trace_hardirqs_on+0xd/0x10 [ 47.141478] [] ? mutex_lock_nested+0x30a/0x5a0 [ 47.147678] [] ? rtnetlink_rcv+0x17/0x30 [ 47.153359] [] ? rtnetlink_rcv+0x30/0x30 [ 47.159056] [] netlink_rcv_skb+0x31/0xc0 [ 47.164734] [] rtnetlink_rcv+0x26/0x30 [ 47.170254] [] netlink_unicast+0x168/0x210 [ 47.176110] [] netlink_sendmsg+0x1f1/0x390 [ 47.181972] [] sock_sendmsg+0x35/0x40 [ 47.187397] [] SYSC_sendto+0xed/0x160 [ 47.192820] [] ? sock_alloc_file+0x8c/0x120 [ 47.198776] [] ? fd_install+0x22/0x30 [ 47.204211] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 47.210673] [] SyS_sendto+0x9/0x10 [ 47.215836] [] entry_SYSCALL_64_fastpath+0x1c/0x7c [ 47.224101] Kernel Offset: disabled [ 47.227739] Rebooting in 86400 seconds..