[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 65.541772][ T26] kauditd_printk_skb: 7 callbacks suppressed [ 65.541782][ T26] audit: type=1800 audit(1567771123.808:29): pid=9671 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 65.577844][ T26] audit: type=1800 audit(1567771123.808:30): pid=9671 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.66' (ECDSA) to the list of known hosts. 2019/09/06 11:58:53 parsed 1 programs 2019/09/06 11:58:54 executed programs: 0 syzkaller login: [ 76.329857][ T9838] IPVS: ftp: loaded support on port[0] = 21 [ 76.378409][ T9838] chnl_net:caif_netlink_parms(): no params data found [ 76.400596][ T9838] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.407964][ T9838] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.415498][ T9838] device bridge_slave_0 entered promiscuous mode [ 76.422906][ T9838] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.432749][ T9838] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.440259][ T9838] device bridge_slave_1 entered promiscuous mode [ 76.453550][ T9838] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.463890][ T9838] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.480290][ T9838] team0: Port device team_slave_0 added [ 76.486951][ T9838] team0: Port device team_slave_1 added [ 76.537690][ T9838] device hsr_slave_0 entered promiscuous mode [ 76.606147][ T9838] device hsr_slave_1 entered promiscuous mode [ 76.651237][ T9838] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.658395][ T9838] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.665647][ T9838] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.672733][ T9838] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.696795][ T9838] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.708451][ T9840] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.726847][ T9840] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.734154][ T9840] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.741947][ T9840] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 76.751718][ T9838] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.760683][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.769074][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.776142][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.786994][ T9840] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.795271][ T9840] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.802360][ T9840] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.813658][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.822518][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.832259][ T9840] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.842771][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.853259][ T9840] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.862928][ T9838] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.877251][ T9838] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.895018][T10506] ------------[ cut here ]------------ [ 79.900976][T10506] WARNING: CPU: 0 PID: 10506 at net/xfrm/xfrm_policy.c:1541 xfrm_policy_insert_list.cold+0x11/0x90 [ 79.911749][T10506] Kernel panic - not syncing: panic_on_warn set ... [ 79.918584][T10506] CPU: 0 PID: 10506 Comm: syz-executor.0 Not tainted 5.3.0-rc7+ #0 [ 79.926452][T10506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.936484][T10506] Call Trace: [ 79.939850][T10506] dump_stack+0x172/0x1f0 [ 79.944160][T10506] ? __xfrm_sk_clone_policy+0xa70/0xae0 [ 79.949685][T10506] panic+0x2dc/0x755 [ 79.953767][T10506] ? add_taint.cold+0x16/0x16 [ 79.958426][T10506] ? __kasan_check_write+0x14/0x20 [ 79.963512][T10506] ? __warn.cold+0x5/0x4c [ 79.968095][T10506] ? __warn+0xe7/0x1e0 [ 79.972163][T10506] ? xfrm_policy_insert_list.cold+0x11/0x90 [ 79.978045][T10506] __warn.cold+0x20/0x4c [ 79.982271][T10506] ? wake_up_klogd+0x99/0xd0 [ 79.986844][T10506] ? xfrm_policy_insert_list.cold+0x11/0x90 [ 79.992723][T10506] report_bug+0x263/0x2b0 [ 79.997047][T10506] do_error_trap+0x11b/0x200 [ 80.001663][T10506] do_invalid_op+0x37/0x50 [ 80.006074][T10506] ? xfrm_policy_insert_list.cold+0x11/0x90 [ 80.012105][T10506] invalid_op+0x23/0x30 [ 80.016248][T10506] RIP: 0010:xfrm_policy_insert_list.cold+0x11/0x90 [ 80.022738][T10506] Code: 51 7b fb e9 67 fa ff ff 88 55 c0 e8 59 52 7b fb 0f b6 55 c0 e9 83 fa ff ff e8 db 43 41 fb 48 c7 c7 a0 f6 31 88 e8 23 e3 2a fb <0f> 0b 48 8b 45 b8 42 0f b6 14 20 48 8b 45 d0 83 e0 07 83 c0 03 38 [ 80.042326][T10506] RSP: 0018:ffff88808b3273a0 EFLAGS: 00010282 [ 80.048369][T10506] RAX: 0000000000000024 RBX: ffff88808e6fa040 RCX: 0000000000000000 [ 80.056335][T10506] RDX: 0000000000000000 RSI: ffffffff815c26f6 RDI: ffffed1011664e66 [ 80.064304][T10506] RBP: ffff88808b327420 R08: 0000000000000024 R09: fffffbfff11b42ed [ 80.072265][T10506] R10: fffffbfff11b42ec R11: ffffffff88da1763 R12: dffffc0000000000 [ 80.080221][T10506] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880a7a7a4c0 [ 80.088231][T10506] ? vprintk_func+0x86/0x189 [ 80.092861][T10506] xfrm_policy_inexact_insert+0xec/0x1000 [ 80.098733][T10506] ? lock_acquire+0x190/0x410 [ 80.103390][T10506] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 80.109261][T10506] ? __sanitizer_cov_trace_cmp1+0x17/0x20 [ 80.114959][T10506] xfrm_policy_insert+0x530/0x750 [ 80.119965][T10506] xfrm_add_policy+0x28f/0x530 [ 80.124716][T10506] ? xfrm_policy_construct+0x680/0x680 [ 80.130151][T10506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.136369][T10506] ? ns_capable_common+0x93/0x100 [ 80.141375][T10506] ? __nla_parse+0x43/0x60 [ 80.146029][T10506] ? xfrm_policy_construct+0x680/0x680 [ 80.151464][T10506] xfrm_user_rcv_msg+0x459/0x770 [ 80.156410][T10506] ? copy_to_user_state_extra+0xdf0/0xdf0 [ 80.162114][T10506] ? consume_skb+0x108/0x3b0 [ 80.166697][T10506] ? lock_downgrade+0x920/0x920 [ 80.171566][T10506] ? __mutex_lock+0x45d/0x13c0 [ 80.176355][T10506] ? xfrm_netlink_rcv+0x61/0x90 [ 80.181235][T10506] netlink_rcv_skb+0x177/0x450 [ 80.186034][T10506] ? copy_to_user_state_extra+0xdf0/0xdf0 [ 80.191733][T10506] ? netlink_ack+0xb30/0xb30 [ 80.196301][T10506] xfrm_netlink_rcv+0x70/0x90 [ 80.200955][T10506] netlink_unicast+0x531/0x710 [ 80.205695][T10506] ? netlink_attachskb+0x7c0/0x7c0 [ 80.210784][T10506] ? _copy_from_iter_full+0x25d/0x8a0 [ 80.216131][T10506] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 80.221828][T10506] ? __check_object_size+0x3d/0x437 [ 80.227524][T10506] netlink_sendmsg+0x8a5/0xd60 [ 80.232526][T10506] ? netlink_unicast+0x710/0x710 [ 80.237441][T10506] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 80.242962][T10506] ? apparmor_socket_sendmsg+0x2a/0x30 [ 80.248396][T10506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.254617][T10506] ? security_socket_sendmsg+0x8d/0xc0 [ 80.260051][T10506] ? netlink_unicast+0x710/0x710 [ 80.264977][T10506] sock_sendmsg+0xd7/0x130 [ 80.269384][T10506] ___sys_sendmsg+0x803/0x920 [ 80.274039][T10506] ? copy_msghdr_from_user+0x440/0x440 [ 80.279474][T10506] ? __fget+0xa3/0x560 [ 80.283521][T10506] ? __fget+0x384/0x560 [ 80.287865][T10506] ? ksys_dup3+0x3e0/0x3e0 [ 80.292261][T10506] ? __might_fault+0xfb/0x1e0 [ 80.296928][T10506] ? __fget_light+0x1a9/0x230 [ 80.301592][T10506] ? __fdget+0x1b/0x20 [ 80.305639][T10506] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 80.311857][T10506] __sys_sendmsg+0x105/0x1d0 [ 80.316423][T10506] ? __sys_sendmsg_sock+0xd0/0xd0 [ 80.321430][T10506] ? __x64_sys_clock_gettime+0x16d/0x240 [ 80.327040][T10506] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 80.333086][T10506] __x64_sys_sendmsg+0x78/0xb0 [ 80.338006][T10506] do_syscall_64+0xfd/0x6a0 [ 80.342490][T10506] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.348361][T10506] RIP: 0033:0x459879 [ 80.352243][T10506] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 80.371825][T10506] RSP: 002b:00007f9c569fbc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 80.380214][T10506] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459879 [ 80.388166][T10506] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 80.396115][T10506] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 80.404063][T10506] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9c569fc6d4 [ 80.412011][T10506] R13: 00000000004c77d9 R14: 00000000004dd030 R15: 00000000ffffffff [ 80.421440][T10506] Kernel Offset: disabled [ 80.425761][T10506] Rebooting in 86400 seconds..