[....] 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. [ 72.016311][ T26] audit: type=1800 audit(1567762304.742:33): pid=10086 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 75.906208][ T26] kauditd_printk_skb: 1 callbacks suppressed [ 75.906221][ T26] audit: type=1400 audit(1567762308.632:35): avc: denied { map } for pid=10264 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.160' (ECDSA) to the list of known hosts. 2019/09/06 09:31:54 parsed 1 programs [ 82.159187][ T26] audit: type=1400 audit(1567762314.882:36): avc: denied { map } for pid=10276 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 82.232495][ T26] audit: type=1400 audit(1567762314.952:37): avc: denied { map } for pid=10276 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=16422 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2019/09/06 09:31:56 executed programs: 0 [ 84.089330][T10292] IPVS: ftp: loaded support on port[0] = 21 [ 84.136412][T10292] chnl_net:caif_netlink_parms(): no params data found [ 84.158540][T10292] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.165641][T10292] bridge0: port 1(bridge_slave_0) entered disabled state [ 84.173433][T10292] device bridge_slave_0 entered promiscuous mode [ 84.180732][T10292] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.187884][T10292] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.195409][T10292] device bridge_slave_1 entered promiscuous mode [ 84.210419][T10292] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 84.220974][T10292] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 84.236894][T10292] team0: Port device team_slave_0 added [ 84.243587][T10292] team0: Port device team_slave_1 added [ 84.297581][T10292] device hsr_slave_0 entered promiscuous mode [ 84.336190][T10292] device hsr_slave_1 entered promiscuous mode [ 84.411413][T10292] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.418518][T10292] bridge0: port 2(bridge_slave_1) entered forwarding state [ 84.425837][T10292] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.432898][T10292] bridge0: port 1(bridge_slave_0) entered forwarding state [ 84.458509][T10292] 8021q: adding VLAN 0 to HW filter on device bond0 [ 84.469425][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 84.477853][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 84.485429][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.494905][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 84.504745][T10292] 8021q: adding VLAN 0 to HW filter on device team0 [ 84.513752][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 84.522395][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.529660][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 84.547271][T10294] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 84.555583][T10294] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.563645][T10294] bridge0: port 2(bridge_slave_1) entered forwarding state [ 84.571623][T10294] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 84.581052][T10294] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 84.589446][T10294] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 84.599018][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 84.608311][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 84.618001][T10292] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 84.632521][T10292] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 84.661925][ T26] audit: type=1400 audit(1567762317.382:38): avc: denied { associate } for pid=10292 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 2019/09/06 09:32:01 executed programs: 230 [ 92.520431][T11808] ------------[ cut here ]------------ [ 92.526515][T11808] WARNING: CPU: 1 PID: 11808 at net/xfrm/xfrm_policy.c:1541 xfrm_policy_insert_list.cold+0x11/0x90 [ 92.537185][T11808] Kernel panic - not syncing: panic_on_warn set ... [ 92.543856][T11808] CPU: 1 PID: 11808 Comm: syz-executor.0 Not tainted 5.3.0-rc7+ #0 [ 92.551726][T11808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.561781][T11808] Call Trace: [ 92.565055][T11808] dump_stack+0x172/0x1f0 [ 92.569375][T11808] ? __xfrm_sk_clone_policy+0xa70/0xae0 [ 92.574896][T11808] panic+0x2dc/0x755 [ 92.578769][T11808] ? add_taint.cold+0x16/0x16 [ 92.583422][T11808] ? __kasan_check_write+0x14/0x20 [ 92.588522][T11808] ? __warn.cold+0x5/0x4c [ 92.592830][T11808] ? __warn+0xe7/0x1e0 [ 92.596892][T11808] ? xfrm_policy_insert_list.cold+0x11/0x90 [ 92.602846][T11808] __warn.cold+0x20/0x4c [ 92.607075][T11808] ? wake_up_klogd+0x99/0xd0 [ 92.611643][T11808] ? xfrm_policy_insert_list.cold+0x11/0x90 [ 92.617515][T11808] report_bug+0x263/0x2b0 [ 92.621844][T11808] do_error_trap+0x11b/0x200 [ 92.626410][T11808] do_invalid_op+0x37/0x50 [ 92.630804][T11808] ? xfrm_policy_insert_list.cold+0x11/0x90 [ 92.636674][T11808] invalid_op+0x23/0x30 [ 92.640822][T11808] RIP: 0010:xfrm_policy_insert_list.cold+0x11/0x90 [ 92.647458][T11808] 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 [ 92.667060][T11808] RSP: 0018:ffff8880953473a0 EFLAGS: 00010282 [ 92.673114][T11808] RAX: 0000000000000024 RBX: ffff888094798000 RCX: 0000000000000000 [ 92.681077][T11808] RDX: 0000000000000000 RSI: ffffffff815c26f6 RDI: ffffed1012a68e66 [ 92.689037][T11808] RBP: ffff888095347420 R08: 0000000000000024 R09: ffffed1015d260d1 [ 92.697142][T11808] R10: ffffed1015d260d0 R11: ffff8880ae930687 R12: dffffc0000000000 [ 92.705099][T11808] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88809626db40 [ 92.713133][T11808] ? vprintk_func+0x86/0x189 [ 92.717715][T11808] xfrm_policy_inexact_insert+0xec/0x1000 [ 92.723410][T11808] ? lock_acquire+0x190/0x410 [ 92.728158][T11808] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 92.734032][T11808] ? __sanitizer_cov_trace_cmp1+0x17/0x20 [ 92.739818][T11808] xfrm_policy_insert+0x530/0x750 [ 92.744827][T11808] xfrm_add_policy+0x28f/0x530 [ 92.749581][T11808] ? xfrm_policy_construct+0x680/0x680 [ 92.755019][T11808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.761239][T11808] ? ns_capable_common+0x93/0x100 [ 92.766251][T11808] ? __nla_parse+0x43/0x60 [ 92.770647][T11808] ? xfrm_policy_construct+0x680/0x680 [ 92.776081][T11808] xfrm_user_rcv_msg+0x459/0x770 [ 92.781051][T11808] ? copy_to_user_state_extra+0xdf0/0xdf0 [ 92.786750][T11808] ? consume_skb+0x108/0x3b0 [ 92.791320][T11808] ? lock_downgrade+0x920/0x920 [ 92.796157][T11808] ? __mutex_lock+0x45d/0x13c0 [ 92.800899][T11808] ? xfrm_netlink_rcv+0x61/0x90 [ 92.805741][T11808] netlink_rcv_skb+0x177/0x450 [ 92.810486][T11808] ? copy_to_user_state_extra+0xdf0/0xdf0 [ 92.816232][T11808] ? netlink_ack+0xb30/0xb30 [ 92.820830][T11808] xfrm_netlink_rcv+0x70/0x90 [ 92.825487][T11808] netlink_unicast+0x531/0x710 [ 92.830232][T11808] ? netlink_attachskb+0x7c0/0x7c0 [ 92.835322][T11808] ? _copy_from_iter_full+0x25d/0x8a0 [ 92.840691][T11808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.846910][T11808] netlink_sendmsg+0x8a5/0xd60 [ 92.851672][T11808] ? netlink_unicast+0x710/0x710 [ 92.856611][T11808] ? tomoyo_socket_sendmsg+0x26/0x30 [ 92.861875][T11808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.868438][T11808] ? security_socket_sendmsg+0x8d/0xc0 [ 92.873889][T11808] ? netlink_unicast+0x710/0x710 [ 92.878803][T11808] sock_sendmsg+0xd7/0x130 [ 92.883218][T11808] ___sys_sendmsg+0x803/0x920 [ 92.887886][T11808] ? copy_msghdr_from_user+0x440/0x440 [ 92.893425][T11808] ? __fget+0xa3/0x560 [ 92.897480][T11808] ? __fget+0x384/0x560 [ 92.902658][T11808] ? ksys_dup3+0x3e0/0x3e0 [ 92.907055][T11808] ? __might_fault+0xfb/0x1e0 [ 92.911710][T11808] ? __fget_light+0x1a9/0x230 [ 92.916479][T11808] ? __fdget+0x1b/0x20 [ 92.920528][T11808] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 92.926772][T11808] __sys_sendmsg+0x105/0x1d0 [ 92.931353][T11808] ? __sys_sendmsg_sock+0xd0/0xd0 [ 92.936974][T11808] ? __x64_sys_clock_gettime+0x16d/0x240 [ 92.942584][T11808] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 92.948632][T11808] __x64_sys_sendmsg+0x78/0xb0 [ 92.953384][T11808] do_syscall_64+0xfd/0x6a0 [ 92.957984][T11808] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.963869][T11808] RIP: 0033:0x459879 [ 92.968700][T11808] 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 [ 92.988282][T11808] RSP: 002b:00007f73589a7c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 92.996674][T11808] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459879 [ 93.004625][T11808] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 93.012672][T11808] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 93.020627][T11808] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f73589a86d4 [ 93.028589][T11808] R13: 00000000004c77d9 R14: 00000000004dd030 R15: 00000000ffffffff [ 93.037992][T11808] Kernel Offset: disabled [ 93.042437][T11808] Rebooting in 86400 seconds..