INIT: Entering runlevel: 2

[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 OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

Warning: Permanently added 'ci-upstream-mmots-kasan-gce-7,10.128.15.227' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   63.885819] kasan: CONFIG_KASAN_INLINE enabled
[   63.886568] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   63.887720] general protection fault: 0000 [#1] SMP KASAN
[   63.888457] Dumping ftrace buffer:
[   63.888934]    (ftrace buffer empty)
[   63.889432] Modules linked in:
[   63.889867] CPU: 1 PID: 3004 Comm: syzkaller103330 Not tainted 4.14.0-rc5-mm1+ #20
[   63.890875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   63.892097] task: ffff8801d1d8c0c0 task.stack: ffff8801c10d8000
[   63.892905] RIP: 0010:asn1_ber_decoder+0x431/0x1c20
[   63.893587] RSP: 0018:ffff8801c10df908 EFLAGS: 00010246
[   63.894296] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[   63.895247] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff851d1208
[   63.896201] RBP: ffff8801c10dfbc0 R08: 0000000000000001 R09: 0000000000000000
[   63.897152] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[   63.898104] R13: 0000000000000000 R14: dffffc0000000000 R15: ffff8801c10dfb98
[   63.899059] FS:  0000000001848880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
[   63.900132] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.900908] CR2: 00000000207c9ffb CR3: 00000001d282e000 CR4: 00000000001406e0
[   63.901862] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   63.902813] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   63.903763] Call Trace:
[   63.904121]  ? pkcs7_parse_message+0x18a/0x710
[   63.904734]  ? verify_pkcs7_signature+0x8d/0x290
[   63.905370]  ? entry_SYSCALL_64_fastpath+0x1e/0xbe
[   63.906596]  ? depot_save_stack+0x490/0x490
[   63.910888]  ? __lock_is_held+0xb6/0x140
[   63.914924]  ? __lock_is_held+0xb6/0x140
[   63.918958]  ? pkcs7_parse_message+0x18a/0x710
[   63.923507]  ? rcu_read_lock_sched_held+0x108/0x120
[   63.928491]  ? kmem_cache_alloc_trace+0x456/0x750
[   63.933300]  ? lock_release+0xa40/0xa40
[   63.937247]  pkcs7_parse_message+0x2b3/0x710
[   63.941642]  verify_pkcs7_signature+0x8d/0x290
[   63.946208]  ? restrict_link_by_builtin_and_secondary_trusted+0x80/0x80
[   63.952929]  ? __down_interruptible+0x6b0/0x6b0
[   63.957569]  ? current_kernel_time64+0x1d4/0x2f0
[   63.962292]  ? pkcs7_supply_detached_data+0x90/0x90
[   63.967274]  pkcs7_preparse+0x7b/0xc0
[   63.971039]  ? pkcs7_preparse+0xc0/0xc0
[   63.974984]  key_create_or_update+0x4c6/0xe20
[   63.979449]  ? key_type_lookup+0xd0/0xd0
[   63.983476]  ? join_session_keyring+0x300/0x300
[   63.988123]  ? memdup_user+0x5e/0x90
[   63.991804]  SyS_add_key+0x18a/0x340
[   63.995487]  ? key_get_type_from_user.constprop.10+0xd0/0xd0
[   64.001251]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   64.006239]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[   64.010960] RIP: 0033:0x43fcd9
[   64.014117] RSP: 002b:00007ffec0e43068 EFLAGS: 00000217 ORIG_RAX: 00000000000000f8
[   64.021791] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fcd9
[   64.029027] RDX: 0000000020000000 RSI: 00000000207c9ffb RDI: 000000002009b000
[   64.036266] RBP: 0000000000000082 R08: fffffffffffffffe R09: 0000000000000000
[   64.043504] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000401640
[   64.050740] R13: 00000000004016d0 R14: 0000000000000000 R15: 0000000000000000
[   64.057984] Code: 1a ff 48 8d 43 01 49 89 87 80 fe ff ff 48 89 85 90 fd ff ff 48 8b 85 b8 fd ff ff 48 01 d8 48 89 c2 48 89 c1 48 c1 ea 03 83 e1 07 <42> 0f b6 14 32 38 ca 7f 08 84 d2 0f 85 e5 0f 00 00 0f b6 00 88 
[   64.077055] RIP: asn1_ber_decoder+0x431/0x1c20 RSP: ffff8801c10df908
[   64.083588] ---[ end trace 9c17097640e59358 ]---
[   64.088326] Kernel panic - not syncing: Fatal exception
[   64.093693] Dumping ftrace buffer:
[   64.097201]    (ftrace buffer empty)
[   64.100879] Kernel Offset: disabled
[   64.104471] Rebooting in 86400 seconds..