[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 '10.128.10.56' (ECDSA) to the list of known hosts. 2019/09/23 13:33:05 fuzzer started 2019/09/23 13:33:07 dialing manager at 10.128.0.105:39541 2019/09/23 13:33:07 syscalls: 2425 2019/09/23 13:33:07 code coverage: CONFIG_KCOV is not enabled 2019/09/23 13:33:07 comparison tracing: CONFIG_KCOV is not enabled 2019/09/23 13:33:07 extra coverage: CONFIG_KCOV is not enabled 2019/09/23 13:33:07 setuid sandbox: enabled 2019/09/23 13:33:07 namespace sandbox: enabled 2019/09/23 13:33:07 Android sandbox: /sys/fs/selinux/policy does not exist 2019/09/23 13:33:07 fault injection: kernel does not have systematic fault injection support 2019/09/23 13:33:07 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/09/23 13:33:07 net packet injection: enabled 2019/09/23 13:33:07 net device setup: enabled 13:33:07 executing program 0: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) rename(&(0x7f0000000040)='./file0\x00', &(0x7f00000000c0)='./file0/file0\x00') 13:33:07 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) perf_event_open(&(0x7f0000940000)={0x2, 0x70, 0xee6a, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sync() 13:33:07 executing program 5: mkdir(&(0x7f0000000100)='./file0\x00', 0x0) lsetxattr$security_selinux(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000040)='security.selinux\x00', 0x0, 0x0, 0x0) listxattr(&(0x7f0000000900)='./file0\x00', &(0x7f0000000000)=""/16, 0x10) 13:33:07 executing program 3: poll(&(0x7f0000000180), 0x1, 0xff) r0 = socket$inet6_udplite(0x1c, 0x2, 0x88) recvmsg(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000140)=[{&(0x7f0000000000)=""/194, 0xc2}, {0x0}], 0x2, &(0x7f0000000180)=""/205, 0xcd}, 0x2) r1 = open$dir(&(0x7f0000001240)='./file0\x00', 0x40000400000002c6, 0x0) pwritev(r1, &(0x7f0000000080)=[{&(0x7f00000006c0), 0x100000}], 0x1, 0x0) fchdir(r1) fstat(0xffffffffffffffff, &(0x7f0000000380)) r2 = msgget$private(0x0, 0x2) geteuid() getpid() msgrcv(r2, &(0x7f0000001280)={0x0, ""/4096}, 0x1004, 0x3, 0x2800) 13:33:07 executing program 4: mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x0, 0x400002172, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000000000/0x9000)=nil, 0x9000, 0xe000, 0x3, &(0x7f0000ff2000/0xe000)=nil) mlock2(&(0x7f0000ff5000/0x2000)=nil, 0x2000, 0x1) munlockall() 13:33:07 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r1, &(0x7f0000001a40)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000001440)=ANY=[@ANYBLOB="020300030c0000000000002000000000020009004000000000412d1fbc000000030006000000f9180200ee00e0000054d81458186fe8b90002000100000000000000030200044a7b030005000000000002000000e0003f010000000000fca0d971e9fd2bb4b88e524ae03e6521c84c1d7afa5cac81f30f16cd3ba77e4d5a8a682d271d4e0b57a07686d8cd335d8541ca148e882dc5bafceed2dedb06c1d95dfcc7e08e6dc8bbcceb36c8"], 0x60}}, 0x0) syzkaller login: [ 32.234832] IPv6: ADDRCONF(NETDEV_CHANGE): nr0: link becomes ready [ 32.243275] IPv6: ADDRCONF(NETDEV_CHANGE): nr2: link becomes ready [ 32.250185] IPv6: ADDRCONF(NETDEV_CHANGE): nr3: link becomes ready [ 32.250968] IPVS: Creating netns size=2712 id=1 [ 32.250980] IPVS: ftp: loaded support on port[0] = 21 [ 32.271153] IPv6: ADDRCONF(NETDEV_CHANGE): nr1: link becomes ready [ 32.277651] IPv6: ADDRCONF(NETDEV_CHANGE): nr4: link becomes ready [ 32.284432] IPv6: ADDRCONF(NETDEV_CHANGE): nr5: link becomes ready [ 32.294791] IPVS: Creating netns size=2712 id=2 [ 32.300412] chnl_net:caif_netlink_parms(): no params data found [ 32.302437] IPVS: ftp: loaded support on port[0] = 21 [ 32.316486] ------------[ cut here ]------------ [ 32.321293] WARNING: CPU: 0 PID: 5746 at net/batman-adv/main.c:750 batadv_tvlv_container_remove+0x7b/0x80() [ 32.331329] Kernel panic - not syncing: panic_on_warn set ... [ 32.331329] [ 32.338765] CPU: 0 PID: 5746 Comm: syz-executor.0 Not tainted 4.4.194 #0 [ 32.345660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.355103] 0000000000000082 ffff8800b1d9b870 ffffffff818a6f22 0000000000000000 [ 32.363143] ffffffff82e96378 ffffffff8300ac2f ffff8800b1d9b8e8 ffffffff8126f9bc [ 32.371303] ffff880000000008 ffff8800b1d9b8f8 ffff8800b1d9b898 ffffffff81274e1f [ 32.379334] Call Trace: [ 32.381913] [] dump_stack+0xa1/0xdf [ 32.387204] [] panic+0xd2/0x225 [ 32.392122] [] ? printk+0x48/0x4a [ 32.397294] [] warn_slowpath_common.cold+0x16/0x16 [ 32.403852] [] warn_slowpath_null+0x15/0x20 [ 32.409960] [] batadv_tvlv_container_remove+0x7b/0x80 [ 32.416907] [] batadv_tvlv_container_register+0xb3/0x120 [ 32.424762] [] batadv_dat_tvlv_container_update+0x26/0x40 [ 32.431925] [] batadv_dat_init+0x6a/0x80 [ 32.439199] [] batadv_mesh_init+0x239/0x290 [ 32.445238] [] batadv_softif_init_late+0x271/0x2c0 [ 32.451800] [] register_netdevice+0xfa/0x450 [ 32.457947] [] rtnl_newlink+0x8a5/0x910 [ 32.464431] [] ? rtnl_newlink+0x17d/0x910 [ 32.471290] [] rtnetlink_rcv_msg+0x170/0x1e0 [ 32.477870] [] ? trace_hardirqs_on+0xd/0x10 [ 32.483992] [] ? mutex_lock_nested+0x30a/0x5a0 [ 32.490197] [] ? rtnetlink_rcv+0x17/0x30 [ 32.495969] [] ? rtnetlink_rcv+0x30/0x30 [ 32.501666] [] netlink_rcv_skb+0x31/0xc0 [ 32.507602] [] rtnetlink_rcv+0x26/0x30 [ 32.513449] [] netlink_unicast+0x168/0x210 [ 32.519643] [] netlink_sendmsg+0x1f1/0x390 [ 32.525979] [] sock_sendmsg+0x35/0x40 [ 32.531506] [] SYSC_sendto+0xed/0x160 [ 32.536931] [] ? sock_alloc_file+0x8c/0x120 [ 32.542889] [] ? fd_install+0x22/0x30 [ 32.548449] [] ? lockdep_sys_exit_thunk+0x12/0x14 [ 32.554919] [] SyS_sendto+0x9/0x10 [ 32.560085] [] entry_SYSCALL_64_fastpath+0x1c/0x7c [ 32.568278] Kernel Offset: disabled [ 32.572007] Rebooting in 86400 seconds..