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-next-kasan-gce-0,10.128.15.199' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   33.891648] ==================================================================
[   33.892757] BUG: KASAN: stack-out-of-bounds in sha3_update+0xdf/0x2e0
[   33.893643] Write of size 4096 at addr ffff8801cc16fc40 by task syzkaller923632/3049
[   33.894691] 
[   33.894925] CPU: 1 PID: 3049 Comm: syzkaller923632 Not tainted 4.14.0-next-20171124+ #51
[   33.896000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   33.897219] Call Trace:
[   33.897576]  dump_stack+0x194/0x257
[   33.898069]  ? arch_local_irq_restore+0x53/0x53
[   33.898691]  ? show_regs_print_info+0x65/0x65
[   33.899297]  ? check_usage+0xb60/0xb60
[   33.899820]  ? sha3_update+0xdf/0x2e0
[   33.900354]  print_address_description+0x73/0x250
[   33.900997]  ? sha3_update+0xdf/0x2e0
[   33.901510]  kasan_report+0x25b/0x340
[   33.902036]  check_memory_region+0x137/0x190
[   33.902626]  memcpy+0x37/0x50
[   33.903049]  sha3_update+0xdf/0x2e0
[   33.903584]  crypto_shash_update+0xcb/0x220
[   33.904170]  shash_finup_unaligned+0x2a/0x60
[   33.904764]  crypto_shash_finup+0xc4/0x120
[   33.905336]  hmac_finup+0x182/0x330
[   33.905823]  ? shash_default_import+0x5b/0x80
[   33.906428]  crypto_shash_finup+0xc4/0x120
[   33.906997]  shash_digest_unaligned+0x9e/0xd0
[   33.907601]  crypto_shash_digest+0xc4/0x120
[   33.908185]  hmac_setkey+0x36a/0x690
[   33.908721]  ? hmac_setkey+0x20/0x690
[   33.909239]  crypto_shash_setkey+0xad/0x190
[   33.909820]  shash_async_setkey+0x47/0x60
[   33.910377]  crypto_ahash_setkey+0xaf/0x180
[   33.910960]  hash_setkey+0x40/0x90
[   33.911438]  ? hash_accept_parent+0xd0/0xd0
[   33.912016]  alg_setsockopt+0x2a1/0x350
[   33.915962]  SyS_setsockopt+0x189/0x360
[   33.919905]  ? SyS_recv+0x40/0x40
[   33.923328]  ? entry_SYSCALL_64_fastpath+0x5/0x96
[   33.928136]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   33.933122]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   33.937850]  entry_SYSCALL_64_fastpath+0x1f/0x96
[   33.942570] RIP: 0033:0x43fdb9
[   33.945726] RSP: 002b:00007ffcdf753708 EFLAGS: 00000217 ORIG_RAX: 0000000000000036
[   33.953399] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fdb9
[   33.960634] RDX: 0000000000000001 RSI: 0000000000000117 RDI: 0000000000000003
[   33.967870] RBP: 0000000000000086 R08: 0000000000001000 R09: 0000000000000000
[   33.975107] R10: 0000000020ea5000 R11: 0000000000000217 R12: 0000000000401720
[   33.982350] R13: 00000000004017b0 R14: 0000000000000000 R15: 0000000000000000
[   33.989602] 
[   33.991197] The buggy address belongs to the page:
[   33.996090] page:ffffea0007305bc0 count:0 mapcount:0 mapping:          (null) index:0x0
[   34.004198] flags: 0x2fffc0000000000()
[   34.008063] raw: 02fffc0000000000 0000000000000000 0000000000000000 00000000ffffffff
[   34.015908] raw: 0000000000000000 0000000100000001 0000000000000000 0000000000000000
[   34.023750] page dumped because: kasan: bad access detected
[   34.029422] 
[   34.031014] Memory state around the buggy address:
[   34.035907]  ffff8801cc16fd80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   34.043232]  ffff8801cc16fe00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   34.050553] >ffff8801cc16fe80: f1 f1 f1 f1 04 f2 f2 f2 f2 f2 f2 f2 04 f2 f2 f2
[   34.057874]                    ^
[   34.061204]  ffff8801cc16ff00: f3 f3 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00
[   34.068531]  ffff8801cc16ff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   34.075866] ==================================================================
[   34.083189] Disabling lock debugging due to kernel taint
[   34.088696] Kernel panic - not syncing: panic_on_warn set ...
[   34.088696] 
[   34.096028] CPU: 1 PID: 3049 Comm: syzkaller923632 Tainted: G    B            4.14.0-next-20171124+ #51
[   34.105519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   34.114851] Call Trace:
[   34.117408]  dump_stack+0x194/0x257
[   34.121003]  ? arch_local_irq_restore+0x53/0x53
[   34.125639]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   34.130359]  ? vsnprintf+0x1ed/0x1900
[   34.134127]  ? sha3_update+0xc0/0x2e0
[   34.137904]  panic+0x1e4/0x41c
[   34.141063]  ? refcount_error_report+0x214/0x214
[   34.145784]  ? add_taint+0x1c/0x50
[   34.149289]  ? add_taint+0x1c/0x50
[   34.152970]  ? sha3_update+0xdf/0x2e0
[   34.156739]  kasan_end_report+0x50/0x50
[   34.160681]  kasan_report+0x144/0x340
[   34.164449]  check_memory_region+0x137/0x190
[   34.168822]  memcpy+0x37/0x50
[   34.171894]  sha3_update+0xdf/0x2e0
[   34.175496]  crypto_shash_update+0xcb/0x220
[   34.179788]  shash_finup_unaligned+0x2a/0x60
[   34.184167]  crypto_shash_finup+0xc4/0x120
[   34.188373]  hmac_finup+0x182/0x330
[   34.191965]  ? shash_default_import+0x5b/0x80
[   34.196429]  crypto_shash_finup+0xc4/0x120
[   34.200630]  shash_digest_unaligned+0x9e/0xd0
[   34.205091]  crypto_shash_digest+0xc4/0x120
[   34.209381]  hmac_setkey+0x36a/0x690
[   34.213079]  ? hmac_setkey+0x20/0x690
[   34.216862]  crypto_shash_setkey+0xad/0x190
[   34.221157]  shash_async_setkey+0x47/0x60
[   34.225272]  crypto_ahash_setkey+0xaf/0x180
[   34.229561]  hash_setkey+0x40/0x90
[   34.233066]  ? hash_accept_parent+0xd0/0xd0
[   34.237352]  alg_setsockopt+0x2a1/0x350
[   34.241295]  SyS_setsockopt+0x189/0x360
[   34.245238]  ? SyS_recv+0x40/0x40
[   34.248659]  ? entry_SYSCALL_64_fastpath+0x5/0x96
[   34.253466]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   34.258447]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   34.263340]  entry_SYSCALL_64_fastpath+0x1f/0x96
[   34.268069] RIP: 0033:0x43fdb9
[   34.271228] RSP: 002b:00007ffcdf753708 EFLAGS: 00000217 ORIG_RAX: 0000000000000036
[   34.278900] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fdb9
[   34.286135] RDX: 0000000000000001 RSI: 0000000000000117 RDI: 0000000000000003
[   34.293369] RBP: 0000000000000086 R08: 0000000000001000 R09: 0000000000000000
[   34.300603] R10: 0000000020ea5000 R11: 0000000000000217 R12: 0000000000401720
[   34.307837] R13: 00000000004017b0 R14: 0000000000000000 R15: 0000000000000000
[   34.315116] Dumping ftrace buffer:
[   34.318622]    (ftrace buffer empty)
[   34.322300] Kernel Offset: disabled
[   34.325895] Rebooting in 86400 seconds..