[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 '10.128.0.157' (ECDSA) to the list of known hosts. 2019/09/23 13:51:44 fuzzer started 2019/09/23 13:51:45 dialing manager at 10.128.0.105:39633 2019/09/23 13:51:45 syscalls: 2425 2019/09/23 13:51:45 code coverage: CONFIG_KCOV is not enabled 2019/09/23 13:51:45 comparison tracing: CONFIG_KCOV is not enabled 2019/09/23 13:51:45 extra coverage: CONFIG_KCOV is not enabled 2019/09/23 13:51:45 setuid sandbox: enabled 2019/09/23 13:51:45 namespace sandbox: enabled 2019/09/23 13:51:45 Android sandbox: /sys/fs/selinux/policy does not exist 2019/09/23 13:51:45 fault injection: kernel does not have systematic fault injection support 2019/09/23 13:51:45 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/09/23 13:51:45 net packet injection: enabled 2019/09/23 13:51:45 net device setup: enabled 13:51:46 executing program 0: r0 = socket(0xa, 0x2400000001, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r0, 0x29, 0x2a, &(0x7f0000034000)={0x2, {{0xa, 0x0, 0x0, @mcast2}}}, 0x88) setsockopt$inet6_MCAST_JOIN_GROUP(r0, 0x29, 0x2a, &(0x7f0000000000)={0x0, {{0xa, 0x0, 0x0, @mcast1}}}, 0x88) getsockopt$inet6_buf(r0, 0x29, 0x10000000000030, &(0x7f0000034000)=""/144, &(0x7f0000000ffc)=0x90) 13:51:46 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000000)={&(0x7f0000000040), 0xc, &(0x7f0000711ff0)={&(0x7f0000000340)=@ipv6_delroute={0x1c, 0x19, 0x405, 0x0, 0x0, {0xa, 0xb0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200}}, 0x1c}}, 0x0) 13:51:46 executing program 5: syz_emit_ethernet(0xe, &(0x7f0000000040)={@broadcast, @random="063d3b650453", [], {@mpls_uc}}, 0x0) 13:51:46 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f000060c000)='oom_score_adj\x00') r1 = gettid() r2 = syz_open_procfs(r1, &(0x7f0000000040)='syscall\x00') sendfile(r0, r2, &(0x7f0000000000), 0x2) 13:51:46 executing program 1: r0 = syz_open_dev$sndseq(&(0x7f0000000000)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_DELETE_QUEUE(r0, 0x408c5333, &(0x7f0000000080)={0x0, 0x0, 0x0, 'queue1\x00'}) 13:51:46 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) sendto$inet(r0, &(0x7f0000000080), 0x0, 0x8080, &(0x7f0000319ff0)={0x2, 0x4e23, @loopback}, 0x10) close(r0) syzkaller login: [ 47.880280] IPv6: ADDRCONF(NETDEV_CHANGE): nr3: link becomes ready [ 47.888880] IPv6: ADDRCONF(NETDEV_CHANGE): nr2: link becomes ready [ 47.895724] IPv6: ADDRCONF(NETDEV_CHANGE): nr1: link becomes ready [ 47.902599] IPv6: ADDRCONF(NETDEV_CHANGE): nr0: link becomes ready [ 47.911140] IPv6: ADDRCONF(NETDEV_CHANGE): nr4: link becomes ready [ 47.919839] IPv6: ADDRCONF(NETDEV_CHANGE): nr5: link becomes ready [ 47.920270] IPVS: Creating netns size=2712 id=1 [ 47.920281] IPVS: ftp: loaded support on port[0] = 21 [ 47.943178] IPVS: Creating netns size=2712 id=2 [ 47.948020] IPVS: ftp: loaded support on port[0] = 21 [ 47.966925] IPVS: Creating netns size=2712 id=3 [ 47.967564] chnl_net:caif_netlink_parms(): no params data found [ 47.967598] kobject: 'caif0' (ffff8800b3c88538): kobject_add_internal: parent: 'net', set: 'devices' [ 47.967805] kobject: 'caif0' (ffff8800b3c88538): kobject_uevent_env [ 47.967810] kobject: 'caif0' (ffff8800b3c88538): fill_kobj_path: path = '/devices/virtual/net/caif0' [ 47.967838] kobject: 'queues' (ffff8801281acf88): kobject_add_internal: parent: 'caif0', set: '' [ 47.967844] kobject: 'queues' (ffff8801281acf88): kobject_uevent_env [ 47.967844] kobject: 'queues' (ffff8801281acf88): kobject_uevent_env: filter function caused the event to drop! [ 47.967847] kobject: 'rx-0' (ffff880129dbf710): kobject_add_internal: parent: 'queues', set: 'queues' [ 47.967858] kobject: 'rx-0' (ffff880129dbf710): kobject_uevent_env [ 47.967860] kobject: 'rx-0' (ffff880129dbf710): fill_kobj_path: path = '/devices/virtual/net/caif0/queues/rx-0' [ 47.967878] kobject: 'tx-0' (ffff8800bac58a18): kobject_add_internal: parent: 'queues', set: 'queues' [ 47.967911] kobject: 'tx-0' (ffff8800bac58a18): kobject_uevent_env [ 47.967913] kobject: 'tx-0' (ffff8800bac58a18): fill_kobj_path: path = '/devices/virtual/net/caif0/queues/tx-0' [ 47.968711] ------------[ cut here ]------------ [ 47.968720] WARNING: CPU: 1 PID: 5805 at net/batman-adv/main.c:750 batadv_tvlv_container_remove+0x7b/0x80() [ 47.968737] Kernel panic - not syncing: panic_on_warn set ... [ 47.968737] [ 47.968740] CPU: 1 PID: 5805 Comm: syz-executor.3 Not tainted 4.4.194 #0 [ 47.968741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.968745] 0000000000000082 ffff8800b3cab870 ffffffff818a6f22 0000000000000000 [ 47.968747] ffffffff82e96378 ffffffff8300ac2f ffff8800b3cab8e8 ffffffff8126f9bc [ 47.968749] ffff880000000008 ffff8800b3cab8f8 ffff8800b3cab898 ffffffff81274e1f [ 47.968750] Call Trace: [ 47.968755] [] dump_stack+0xa1/0xdf [ 47.968760] [] panic+0xd2/0x225 [ 47.968763] [] ? printk+0x48/0x4a [ 47.968765] [] warn_slowpath_common.cold+0x16/0x16 [ 47.968771] [] warn_slowpath_null+0x15/0x20 [ 47.968773] [] batadv_tvlv_container_remove+0x7b/0x80 [ 47.968775] [] batadv_tvlv_container_register+0xb3/0x120 [ 47.968778] [] batadv_dat_tvlv_container_update+0x26/0x40 [ 47.968780] [] batadv_dat_init+0x6a/0x80 [ 47.968782] [] batadv_mesh_init+0x239/0x290 [ 47.968785] [] batadv_softif_init_late+0x271/0x2c0 [ 47.968790] [] register_netdevice+0xfa/0x450 [ 47.968793] [] rtnl_newlink+0x8a5/0x910 [ 47.968794] [] ? rtnl_newlink+0x17d/0x910 [ 47.968797] [] rtnetlink_rcv_msg+0x170/0x1e0 [ 47.968801] [] ? trace_hardirqs_on+0xd/0x10 [ 47.968804] [] ? mutex_lock_nested+0x30a/0x5a0 [ 47.968806] [] ? rtnetlink_rcv+0x17/0x30 [ 47.968808] [] ? rtnetlink_rcv+0x30/0x30 [ 47.968810] [] netlink_rcv_skb+0x31/0xc0 [ 47.968812] [] rtnetlink_rcv+0x26/0x30 [ 47.968813] [] netlink_unicast+0x168/0x210 [ 47.968815] [] netlink_sendmsg+0x1f1/0x390 [ 47.968818] [] sock_sendmsg+0x35/0x40 [ 47.968819] [] SYSC_sendto+0xed/0x160 [ 47.968822] [] ? sock_alloc_file+0x8c/0x120 [ 47.968827] [] ? fd_install+0x22/0x30 [ 47.968830] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 47.968832] [] SyS_sendto+0x9/0x10 [ 47.968835] [] entry_SYSCALL_64_fastpath+0x1c/0x7c [ 47.973493] Kernel Offset: disabled [ 48.345734] Rebooting in 86400 seconds..