[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 '10.128.0.244' (ECDSA) to the list of known hosts. 2019/09/23 12:12:36 fuzzer started 2019/09/23 12:12:37 dialing manager at 10.128.0.105:39541 2019/09/23 12:12:37 syscalls: 2425 2019/09/23 12:12:37 code coverage: CONFIG_KCOV is not enabled 2019/09/23 12:12:37 comparison tracing: CONFIG_KCOV is not enabled 2019/09/23 12:12:37 extra coverage: CONFIG_KCOV is not enabled 2019/09/23 12:12:37 setuid sandbox: enabled 2019/09/23 12:12:37 namespace sandbox: enabled 2019/09/23 12:12:37 Android sandbox: /sys/fs/selinux/policy does not exist 2019/09/23 12:12:37 fault injection: kernel does not have systematic fault injection support 2019/09/23 12:12:37 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/09/23 12:12:37 net packet injection: enabled 2019/09/23 12:12:37 net device setup: enabled 12:12:37 executing program 0: r0 = socket$can_bcm(0x1d, 0x2, 0x2) connect$can_bcm(r0, &(0x7f0000000000), 0x10) sendmsg$can_raw(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f000000a000)=@canfd={{0x5}, 0x36, 0x0, 0x0, 0x0, "0327e1b22b5fcef700580f0b00580f02000000003f420f0000000000856b76b5ee00000000000000004e2f9663a918fa1efd9b0b00"}, 0x48}}, 0x0) 12:12:37 executing program 1: mkdir(0x0, 0x0) mount(0x0, 0x0, 0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7b, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x10000000013, &(0x7f0000d06000)=0x1, 0x4) connect$inet(r0, &(0x7f0000000180)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x1e}}, 0x10) shutdown(r0, 0x1) setsockopt$inet_tcp_int(r0, 0x6, 0x4000000000014, &(0x7f0000000000)=0x80000000002, 0xe3) recvmmsg(r0, &(0x7f00000001c0), 0x460, 0xea225aec34b1dd0e, 0x0) 12:12:37 executing program 3: r0 = syz_init_net_socket$llc(0x1a, 0x2, 0x0) setsockopt$llc_int(r0, 0x10c, 0x1, &(0x7f0000000040)=0x3efd, 0x4) 12:12:37 executing program 5: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="200000001e00eb0300000000000000000700000053c05e81aeeda038e8623407ba7669bd4fab42eff1613eca4e988343901a181df48914a4", @ANYRES32=0x0, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00'], 0x20}}, 0x0) 12:12:37 executing program 4: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) bpf$MAP_CREATE(0x2, &(0x7f0000000040)={0x0, 0x0, 0x400000077fffb, 0x0, 0x0, 0x0}, 0x3c) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) io_setup(0x800, &(0x7f0000000180)=0x0) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) dup2(r3, r1) io_submit(r2, 0x1e09328e, &(0x7f0000000040)=[&(0x7f0000000000)={0x0, 0x0, 0x0, 0x1000800000000001, 0x0, r1, 0x0, 0x12f}]) 12:12:37 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f0000000040)="11dca50d5e0bcfe47bf070") r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10) setsockopt$sock_int(r1, 0x1, 0x6, &(0x7f0000000080)=0x32, 0x4) connect$inet(r1, &(0x7f0000000040)={0x2, 0x0, @broadcast}, 0x10) ioctl$sock_ifreq(r1, 0x8937, &(0x7f0000000100)={'veth0\x00', @ifru_settings={0x10001, 0x0, @fr=0x0}}) setsockopt$inet_msfilter(r1, 0x0, 0xd, 0x0, 0x0) syzkaller login: [ 43.603356] IPv6: ADDRCONF(NETDEV_CHANGE): nr4: link becomes ready [ 43.611826] IPv6: ADDRCONF(NETDEV_CHANGE): nr0: link becomes ready [ 43.618903] IPv6: ADDRCONF(NETDEV_CHANGE): nr2: link becomes ready [ 43.626069] IPv6: ADDRCONF(NETDEV_CHANGE): nr5: link becomes ready [ 43.633315] IPv6: ADDRCONF(NETDEV_CHANGE): nr3: link becomes ready [ 43.640099] IPv6: ADDRCONF(NETDEV_CHANGE): nr1: link becomes ready [ 43.648675] IPVS: Creating netns size=2712 id=1 [ 43.653524] IPVS: ftp: loaded support on port[0] = 21 [ 43.665562] IPVS: Creating netns size=2712 id=2 [ 43.670281] IPVS: ftp: loaded support on port[0] = 21 [ 43.685072] chnl_net:caif_netlink_parms(): no params data found [ 43.692886] IPVS: Creating netns size=2712 id=3 [ 43.693605] kobject: 'ip6gretap0' (ffff880128031538): kobject_add_internal: parent: 'net', set: 'devices' [ 43.693819] kobject: 'ip6gretap0' (ffff880128031538): kobject_uevent_env [ 43.693824] kobject: 'ip6gretap0' (ffff880128031538): fill_kobj_path: path = '/devices/virtual/net/ip6gretap0' [ 43.693847] kobject: 'queues' (ffff8800b0964a48): kobject_add_internal: parent: 'ip6gretap0', set: '' [ 43.693851] kobject: 'queues' (ffff8800b0964a48): kobject_uevent_env [ 43.693852] kobject: 'queues' (ffff8800b0964a48): kobject_uevent_env: filter function caused the event to drop! [ 43.693855] kobject: 'rx-0' (ffff8800af8b4410): kobject_add_internal: parent: 'queues', set: 'queues' [ 43.693868] kobject: 'rx-0' (ffff8800af8b4410): kobject_uevent_env [ 43.693870] kobject: 'rx-0' (ffff8800af8b4410): fill_kobj_path: path = '/devices/virtual/net/ip6gretap0/queues/rx-0' [ 43.693888] kobject: 'tx-0' (ffff88012abe6e18): kobject_add_internal: parent: 'queues', set: 'queues' [ 43.693921] kobject: 'tx-0' (ffff88012abe6e18): kobject_uevent_env [ 43.693923] kobject: 'tx-0' (ffff88012abe6e18): fill_kobj_path: path = '/devices/virtual/net/ip6gretap0/queues/tx-0' [ 43.694058] kobject: 'batman_adv' (ffff8800b032c780): kobject_add_internal: parent: 'ip6gretap0', set: '' [ 43.694077] kobject: 'batman_adv' (ffff8800b032c780): kobject_cleanup, parent ffff880128031538 [ 43.694078] kobject: 'batman_adv' (ffff8800b032c780): auto cleanup kobject_del [ 43.694086] kobject: 'batman_adv' (ffff8800b032c780): calling ktype release [ 43.694087] kobject: (ffff8800b032c780): dynamic_kobj_release [ 43.694088] kobject: 'batman_adv': free name [ 43.694699] ------------[ cut here ]------------ [ 43.694707] WARNING: CPU: 1 PID: 5665 at net/batman-adv/main.c:750 batadv_tvlv_container_remove+0x7b/0x80() [ 43.694724] Kernel panic - not syncing: panic_on_warn set ... [ 43.694724] [ 43.694727] CPU: 1 PID: 5665 Comm: syz-executor.4 Not tainted 4.4.194 #0 [ 43.694728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.694732] 0000000000000082 ffff8800b6177870 ffffffff818a6f22 0000000000000000 [ 43.694735] ffffffff82e96378 ffffffff8300ac2f ffff8800b61778e8 ffffffff8126f9bc [ 43.694737] ffff880000000008 ffff8800b61778f8 ffff8800b6177898 ffffffff81274e1f [ 43.694737] Call Trace: [ 43.694743] [] dump_stack+0xa1/0xdf [ 43.694748] [] panic+0xd2/0x225 [ 43.694751] [] ? printk+0x48/0x4a [ 43.694754] [] warn_slowpath_common.cold+0x16/0x16 [ 43.694759] [] warn_slowpath_null+0x15/0x20 [ 43.694761] [] batadv_tvlv_container_remove+0x7b/0x80 [ 43.694763] [] batadv_tvlv_container_register+0xb3/0x120 [ 43.694765] [] batadv_dat_tvlv_container_update+0x26/0x40 [ 43.694767] [] batadv_dat_init+0x6a/0x80 [ 43.694769] [] batadv_mesh_init+0x239/0x290 [ 43.694773] [] batadv_softif_init_late+0x271/0x2c0 [ 43.694778] [] register_netdevice+0xfa/0x450 [ 43.694781] [] rtnl_newlink+0x8a5/0x910 [ 43.694782] [] ? rtnl_newlink+0x17d/0x910 [ 43.694785] [] rtnetlink_rcv_msg+0x170/0x1e0 [ 43.694789] [] ? trace_hardirqs_on+0xd/0x10 [ 43.694792] [] ? mutex_lock_nested+0x30a/0x5a0 [ 43.694794] [] ? rtnetlink_rcv+0x17/0x30 [ 43.694795] [] ? rtnetlink_rcv+0x30/0x30 [ 43.694798] [] netlink_rcv_skb+0x31/0xc0 [ 43.694800] [] rtnetlink_rcv+0x26/0x30 [ 43.694801] [] netlink_unicast+0x168/0x210 [ 43.694802] [] netlink_sendmsg+0x1f1/0x390 [ 43.694805] [] sock_sendmsg+0x35/0x40 [ 43.694807] [] SYSC_sendto+0xed/0x160 [ 43.694809] [] ? sock_alloc_file+0x8c/0x120 [ 43.694812] [] ? fd_install+0x22/0x30 [ 43.694815] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 43.694817] [] SyS_sendto+0x9/0x10 [ 43.694820] [] entry_SYSCALL_64_fastpath+0x1c/0x7c [ 43.699133] Kernel Offset: disabled [ 44.099901] Rebooting in 86400 seconds..