[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 21.419189] random: sshd: uninitialized urandom read (32 bytes read, 33 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 26.308880] random: sshd: uninitialized urandom read (32 bytes read, 40 bits of entropy available) [ 26.837293] random: sshd: uninitialized urandom read (32 bytes read, 40 bits of entropy available) [ 27.389945] random: sshd: uninitialized urandom read (32 bytes read, 54 bits of entropy available) [ 33.740774] random: sshd: uninitialized urandom read (32 bytes read, 60 bits of entropy available) Warning: Permanently added '10.128.0.39' (ECDSA) to the list of known hosts. [ 39.220947] random: sshd: uninitialized urandom read (32 bytes read, 64 bits of entropy available) 2018/08/09 19:33:11 parsed 1 programs [ 40.412047] random: cc1: uninitialized urandom read (8 bytes read, 66 bits of entropy available) 2018/08/09 19:33:13 executed programs: 0 [ 41.877406] IPVS: Creating netns size=2552 id=1 [ 41.940044] IPVS: Creating netns size=2552 id=2 [ 41.990843] IPVS: Creating netns size=2552 id=3 [ 42.065398] IPVS: Creating netns size=2552 id=4 [ 42.184966] IPVS: Creating netns size=2552 id=5 [ 42.262596] IPVS: Creating netns size=2552 id=6 [ 42.405919] IPVS: Creating netns size=2552 id=7 [ 42.524980] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.545973] IPVS: Creating netns size=2552 id=8 [ 42.580583] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.626116] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.635201] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.853474] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.865487] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.890434] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.898629] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.933799] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.941701] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.966042] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.983657] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.181376] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.197866] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.223111] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.244636] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.259796] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.267108] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.275437] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.300073] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.307671] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.334881] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.344476] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.368450] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.381896] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.436491] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.444453] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.515471] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.539993] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.597375] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.610233] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.638871] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.650912] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.661075] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.674170] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.691777] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.703651] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.715692] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.724928] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.733816] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.746267] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.754071] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.765758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.779431] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.061051] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 44.102402] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 44.137361] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 44.160733] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.169293] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.200959] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 44.217972] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 44.236493] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.300063] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 44.355895] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.365979] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.413997] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.546025] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 44.618237] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 44.650198] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.687490] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.715065] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.769584] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.777567] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.813461] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.966356] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 46.981427] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 47.174448] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.242261] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 47.264550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.342497] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 47.468405] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.592115] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.653401] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 47.756418] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 47.917000] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.057218] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.135395] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 48.162333] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 48.384390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.416232] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.871006] netlink: 12 bytes leftover after parsing attributes in process `syz-executor6'. [ 48.920753] netlink: 12 bytes leftover after parsing attributes in process `syz-executor6'. [ 48.934412] netlink: 12 bytes leftover after parsing attributes in process `syz-executor5'. [ 48.963564] netlink: 12 bytes leftover after parsing attributes in process `syz-executor5'. [ 48.967579] ------------[ cut here ]------------ [ 48.967597] WARNING: CPU: 1 PID: 5816 at net/xfrm/xfrm_policy.c:770 xfrm_policy_insert+0x60f/0xed0() [ 48.967692] Kernel panic - not syncing: panic_on_warn set ... [ 48.967692] [ 48.967701] CPU: 1 PID: 5816 Comm: syz-executor6 Not tainted 4.4.147-ga5fc665 #80 [ 48.967705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.967715] 0000000000000000 19c901573ff3c247 ffff8800bab9f420 ffffffff81e12a4d [ 48.967724] ffffffff83a44d40 ffff8800baba0000 ffffffff83f25c20 0000000000000009 [ 48.967733] 0000000000000302 ffff8800bab9f4e0 ffffffff8140c6a4 0000000041b58ab3 [ 48.967735] Call Trace: [ 48.967745] [] dump_stack+0xc1/0x124 [ 48.967753] [] panic+0x19e/0x38d [ 48.967760] [] ? add_taint.cold.4+0x16/0x16 [ 48.967768] [] ? warn_slowpath_common.cold.6+0x5/0x20 [ 48.967775] [] warn_slowpath_common.cold.6+0x20/0x20 [ 48.967783] [] ? xfrm_policy_insert+0x60f/0xed0 [ 48.967793] [] warn_slowpath_null+0x29/0x30 [ 48.967800] [] xfrm_policy_insert+0x60f/0xed0 [ 48.967809] [] xfrm_add_policy+0x248/0x500 [ 48.967818] [] ? log_wakeup_reason.cold.1+0x13f/0x13f [ 48.967825] [] ? xfrm_add_acquire+0x9d0/0x9d0 [ 48.967835] [] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 48.967843] [] ? nla_parse+0x1d3/0x240 [ 48.967850] [] ? xfrm_add_acquire+0x9d0/0x9d0 [ 48.967857] [] xfrm_user_rcv_msg+0x3d6/0x6c0 [ 48.967864] [] ? xfrm_dump_sa_done+0xa0/0xa0 [ 48.967874] [] ? debug_check_no_locks_freed+0x210/0x210 [ 48.967884] [] netlink_rcv_skb+0x145/0x370 [ 48.967891] [] ? xfrm_dump_sa_done+0xa0/0xa0 [ 48.967898] [] xfrm_netlink_rcv+0x6f/0x90 [ 48.967905] [] netlink_unicast+0x4e9/0x700 [ 48.967913] [] ? netlink_attachskb+0x6a0/0x6a0 [ 48.967921] [] netlink_sendmsg+0x795/0xc30 [ 48.967929] [] ? netlink_unicast+0x700/0x700 [ 48.967939] [] ? selinux_socket_sendmsg+0x3f/0x50 [ 48.967948] [] ? security_socket_sendmsg+0x8f/0xc0 [ 48.967956] [] ? netlink_unicast+0x700/0x700 [ 48.967964] [] sock_sendmsg+0xcc/0x110 [ 48.967971] [] ___sys_sendmsg+0x745/0x880 [ 48.967979] [] ? debug_check_no_locks_freed+0x210/0x210 [ 48.967987] [] ? copy_msghdr_from_user+0x550/0x550 [ 48.967996] [] ? do_futex+0x12d/0x17f0 [ 48.968004] [] ? debug_check_no_locks_freed+0x210/0x210 [ 48.968012] [] ? selinux_file_alloc_security+0xae/0x190 [ 48.968022] [] ? __fget+0x148/0x3b0 [ 48.968030] [] ? __fget+0x16f/0x3b0 [ 48.968044] [] ? __fget+0x47/0x3b0 [ 48.968052] [] ? __fget_light+0x9f/0x1f0 [ 48.968059] [] ? __fdget+0x18/0x20 [ 48.968067] [] __sys_sendmsg+0xd6/0x190 [ 48.968075] [] ? SyS_shutdown+0x1b0/0x1b0 [ 48.968082] [] ? SyS_futex+0x1f8/0x300 [ 48.968089] [] ? fd_install+0x4d/0x60 [ 48.968097] [] ? move_addr_to_kernel+0x50/0x50 [ 48.968104] [] SyS_sendmsg+0x2d/0x50 [ 48.968112] [] entry_SYSCALL_64_fastpath+0x22/0x9e [ 48.972391] Dumping ftrace buffer: [ 48.972425] (ftrace buffer empty) [ 48.972427] Kernel Offset: disabled [ 49.322792] Rebooting in 86400 seconds..