[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 76.920362][ T27] audit: type=1800 audit(1581530751.498:25): pid=9616 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 76.953895][ T27] audit: type=1800 audit(1581530751.498:26): pid=9616 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 76.983854][ T27] audit: type=1800 audit(1581530751.498:27): pid=9616 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?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 '10.128.0.89' (ECDSA) to the list of known hosts. executing program executing program executing program syzkaller login: [ 86.751585][ T9772] netlink: 40803 bytes leftover after parsing attributes in process `syz-executor071'. [ 86.763112][ T9772] netlink: 40543 bytes leftover after parsing attributes in process `syz-executor071'. [ 86.779891][ T9775] netlink: 40803 bytes leftover after parsing attributes in process `syz-executor071'. [ 86.791200][ T9775] netlink: 40543 bytes leftover after parsing attributes in process `syz-executor071'. executing program executing program [ 86.806874][ T9778] netlink: 40803 bytes leftover after parsing attributes in process `syz-executor071'. [ 86.817927][ T9778] netlink: 40543 bytes leftover after parsing attributes in process `syz-executor071'. [ 86.832962][ T9781] netlink: 40803 bytes leftover after parsing attributes in process `syz-executor071'. [ 86.843725][ T9781] netlink: 40543 bytes leftover after parsing attributes in process `syz-executor071'. executing program executing program executing program executing program executing program executing program [ 86.859088][ T9784] netlink: 40803 bytes leftover after parsing attributes in process `syz-executor071'. [ 86.870488][ T9784] netlink: 40543 bytes leftover after parsing attributes in process `syz-executor071'. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 91.755061][T12179] __nla_validate_parse: 1593 callbacks suppressed [ 91.755067][T12179] netlink: 40543 bytes leftover after parsing attributes in process `syz-executor071'. [ 91.778609][T12182] netlink: 40803 bytes leftover after parsing attributes in process `syz-executor071'. [ 91.789961][T12182] netlink: 40543 bytes leftover after parsing attributes in process `syz-executor071'. executing program executing program [ 91.804960][T12185] netlink: 40803 bytes leftover after parsing attributes in process `syz-executor071'. [ 91.816678][T12185] netlink: 40543 bytes leftover after parsing attributes in process `syz-executor071'. [ 91.831434][T12188] netlink: 40803 bytes leftover after parsing attributes in process `syz-executor071'. [ 91.842613][T12188] netlink: 40543 bytes leftover after parsing attributes in process `syz-executor071'. executing program executing program executing program executing program executing program executing program executing program executing program [ 91.857298][T12191] netlink: 40803 bytes leftover after parsing attributes in process `syz-executor071'. [ 91.868052][T12191] netlink: 40543 bytes leftover after parsing attributes in process `syz-executor071'. [ 91.882950][T12194] netlink: 40803 bytes leftover after parsing attributes in process `syz-executor071'. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 93.175259][T12835] ------------[ cut here ]------------ [ 93.180910][T12835] WARNING: CPU: 1 PID: 12835 at net/xfrm/xfrm_policy.c:1546 xfrm_policy_insert_list+0x3b7/0xd10 [ 93.191307][T12835] Kernel panic - not syncing: panic_on_warn set ... [ 93.197883][T12835] CPU: 1 PID: 12835 Comm: syz-executor071 Not tainted 5.6.0-rc1-next-20200212-syzkaller #0 [ 93.207879][T12835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.218459][T12835] Call Trace: [ 93.221747][T12835] dump_stack+0x197/0x210 [ 93.226078][T12835] ? xfrm_policy_insert_list+0x320/0xd10 [ 93.231703][T12835] panic+0x2e3/0x75c [ 93.235635][T12835] ? add_taint.cold+0x16/0x16 [ 93.240312][T12835] ? printk+0xba/0xed [ 93.244293][T12835] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 93.249745][T12835] ? __warn.cold+0x14/0x3e [ 93.254152][T12835] ? __warn+0xd9/0x1cf [ 93.258259][T12835] ? xfrm_policy_insert_list+0x3b7/0xd10 [ 93.263889][T12835] __warn.cold+0x2f/0x3e [ 93.268166][T12835] ? report_bug.cold+0x63/0xb2 [ 93.272966][T12835] ? xfrm_policy_insert_list+0x3b7/0xd10 [ 93.278591][T12835] report_bug+0x289/0x300 [ 93.282916][T12835] do_error_trap+0x11b/0x200 [ 93.287523][T12835] do_invalid_op+0x37/0x50 [ 93.291930][T12835] ? xfrm_policy_insert_list+0x3b7/0xd10 [ 93.297594][T12835] invalid_op+0x23/0x30 [ 93.301742][T12835] RIP: 0010:xfrm_policy_insert_list+0x3b7/0xd10 [ 93.307971][T12835] Code: 14 20 48 89 f8 83 e0 07 83 c0 03 38 d0 0f 8c cf fd ff ff 84 d2 0f 84 c7 fd ff ff e8 13 70 e0 fa e9 bd fd ff ff e8 09 a7 a1 fa <0f> 0b 48 8b 45 c0 0f b6 10 48 8b 45 c8 83 e0 07 83 c0 03 38 d0 7c [ 93.327679][T12835] RSP: 0018:ffffc90002b9f508 EFLAGS: 00010293 [ 93.333744][T12835] RAX: ffff88809a8a6280 RBX: ffff888099ddc000 RCX: ffffffff86d4292f [ 93.341717][T12835] RDX: 0000000000000000 RSI: ffffffff86d42697 RDI: ffff888099ddc220 [ 93.349678][T12835] RBP: ffffc90002b9f580 R08: ffff88809a8a6280 R09: ffff88809a8a6b18 [ 93.357637][T12835] R10: fffff52000573eb4 R11: ffffffff8aa5edc7 R12: dffffc0000000000 [ 93.365601][T12835] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 93.373581][T12835] ? xfrm_policy_insert_list+0x64f/0xd10 [ 93.379206][T12835] ? xfrm_policy_insert_list+0x3b7/0xd10 [ 93.384877][T12835] ? xfrm_policy_insert_list+0x3b7/0xd10 [ 93.390529][T12835] xfrm_policy_inexact_insert+0xef/0xba0 [ 93.396154][T12835] ? rwlock_bug.part.0+0x90/0x90 [ 93.401147][T12835] ? lock_acquire+0x190/0x410 [ 93.405858][T12835] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 93.411744][T12835] ? __sanitizer_cov_trace_cmp1+0x17/0x20 [ 93.417463][T12835] ? policy_hash_bysel+0x129/0xce0 [ 93.422569][T12835] xfrm_policy_insert+0x5dc/0x7f0 [ 93.427597][T12835] xfrm_add_policy+0x28f/0x580 [ 93.432357][T12835] ? xfrm_policy_construct+0x680/0x680 [ 93.437890][T12835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.444117][T12835] ? ns_capable_common+0x93/0x100 [ 93.449138][T12835] ? __nla_parse+0x43/0x60 [ 93.453574][T12835] ? xfrm_policy_construct+0x680/0x680 [ 93.459024][T12835] xfrm_user_rcv_msg+0x459/0x770 [ 93.463953][T12835] ? copy_to_user_state_extra+0xdf0/0xdf0 [ 93.469698][T12835] ? __kasan_check_read+0x11/0x20 [ 93.474753][T12835] ? __mutex_lock+0x458/0x13c0 [ 93.479510][T12835] ? find_held_lock+0x35/0x130 [ 93.484260][T12835] ? xfrm_netlink_rcv+0x61/0x90 [ 93.489109][T12835] netlink_rcv_skb+0x177/0x450 [ 93.493864][T12835] ? copy_to_user_state_extra+0xdf0/0xdf0 [ 93.499802][T12835] ? netlink_ack+0xb50/0xb50 [ 93.504442][T12835] xfrm_netlink_rcv+0x70/0x90 [ 93.509112][T12835] netlink_unicast+0x59e/0x7e0 [ 93.513875][T12835] ? netlink_attachskb+0x870/0x870 [ 93.519391][T12835] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 93.525097][T12835] ? __check_object_size+0x3d/0x437 [ 93.530285][T12835] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 93.536067][T12835] netlink_sendmsg+0x91c/0xea0 [ 93.540838][T12835] ? netlink_unicast+0x7e0/0x7e0 [ 93.545767][T12835] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 93.551307][T12835] ? apparmor_socket_sendmsg+0x2a/0x30 [ 93.556762][T12835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.563002][T12835] ? security_socket_sendmsg+0x8d/0xc0 [ 93.568458][T12835] ? netlink_unicast+0x7e0/0x7e0 [ 93.573386][T12835] sock_sendmsg+0xd7/0x130 [ 93.577795][T12835] __sys_sendto+0x262/0x380 [ 93.582389][T12835] ? __ia32_sys_getpeername+0xb0/0xb0 [ 93.587779][T12835] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 93.593929][T12835] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 93.599508][T12835] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 93.605484][T12835] ? __x64_sys_futex+0x404/0x590 [ 93.610459][T12835] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 93.615912][T12835] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 93.621363][T12835] ? do_syscall_64+0x26/0x790 [ 93.626040][T12835] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 93.632143][T12835] __x64_sys_sendto+0xe1/0x1a0 [ 93.636943][T12835] do_syscall_64+0xfa/0x790 [ 93.641457][T12835] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 93.647337][T12835] RIP: 0033:0x446ae9 [ 93.651265][T12835] Code: e8 5c b3 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0b 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 93.671115][T12835] RSP: 002b:00007f9459e93d88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 93.679518][T12835] RAX: ffffffffffffffda RBX: 00000000006dbc48 RCX: 0000000000446ae9 [ 93.687486][T12835] RDX: 000000000000ff3b RSI: 0000000020000000 RDI: 0000000000000008 [ 93.695497][T12835] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 00000000000002e2 [ 93.703488][T12835] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc4c [ 93.711446][T12835] R13: 96a714ca4ded7b70 R14: 985704ddcbc5fd89 R15: 0d1d00190000a01b [ 93.720785][T12835] Kernel Offset: disabled [ 93.725163][T12835] Rebooting in 86400 seconds..