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-7,10.128.0.42' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   31.765685] ==================================================================
[   31.766790] BUG: KASAN: stack-out-of-bounds in sha3_update+0xdf/0x2e0
[   31.767677] Write of size 4096 at addr ffff8801cca07c40 by task syzkaller076574/3044
[   31.768712] 
[   31.768949] CPU: 1 PID: 3044 Comm: syzkaller076574 Not tainted 4.14.0-mm1+ #25
[   31.769914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   31.771160] Call Trace:
[   31.771528]  dump_stack+0x194/0x257
[   31.772021]  ? arch_local_irq_restore+0x53/0x53
[   31.772647]  ? show_regs_print_info+0x65/0x65
[   31.773252]  ? check_usage+0xb60/0xb60
[   31.773776]  ? sha3_update+0xdf/0x2e0
[   31.774298]  print_address_description+0x73/0x250
[   31.774967]  ? sha3_update+0xdf/0x2e0
[   31.775482]  kasan_report+0x25b/0x340
[   31.776060]  check_memory_region+0x137/0x190
[   31.776653]  memcpy+0x37/0x50
[   31.777100]  sha3_update+0xdf/0x2e0
[   31.777627]  crypto_shash_update+0xcb/0x220
[   31.778235]  shash_finup_unaligned+0x2a/0x60
[   31.778838]  crypto_shash_finup+0xc4/0x120
[   31.779408]  hmac_finup+0x182/0x330
[   31.779908]  ? shash_default_import+0x5b/0x80
[   31.780529]  crypto_shash_finup+0xc4/0x120
[   31.781098]  shash_digest_unaligned+0x9e/0xd0
[   31.781741]  crypto_shash_digest+0xc4/0x120
[   31.782337]  hmac_setkey+0x36a/0x690
[   31.782874]  ? hmac_setkey+0x20/0x690
[   31.783391]  crypto_shash_setkey+0xad/0x190
[   31.783987]  shash_async_setkey+0x47/0x60
[   31.784546]  crypto_ahash_setkey+0xaf/0x180
[   31.785127]  hash_setkey+0x40/0x90
[   31.785607]  ? hash_accept_parent+0xd0/0xd0
[   31.788254]  alg_setsockopt+0x2a1/0x350
[   31.792206]  SyS_setsockopt+0x189/0x360
[   31.796175]  ? SyS_recv+0x40/0x40
[   31.799620]  ? entry_SYSCALL_64_fastpath+0x5/0x96
[   31.804450]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   31.809450]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   31.814187]  entry_SYSCALL_64_fastpath+0x1f/0x96
[   31.818913] RIP: 0033:0x43fdb9
[   31.822085] RSP: 002b:00007ffd5be32ba8 EFLAGS: 00000217 ORIG_RAX: 0000000000000036
[   31.829786] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fdb9
[   31.837038] RDX: 0000000000000001 RSI: 0000000000000117 RDI: 0000000000000003
[   31.844290] RBP: 0000000000000086 R08: 0000000000001000 R09: 0000000000000000
[   31.851532] R10: 0000000020ea5000 R11: 0000000000000217 R12: 0000000000401720
[   31.858775] R13: 00000000004017b0 R14: 0000000000000000 R15: 0000000000000000
[   31.866039] 
[   31.867639] The buggy address belongs to the page:
[   31.872543] page:ffffea00073281c0 count:0 mapcount:0 mapping:          (null) index:0x0
[   31.880662] flags: 0x2fffc0000000000()
[   31.884528] raw: 02fffc0000000000 0000000000000000 0000000000000000 00000000ffffffff
[   31.892395] raw: 0000000000000000 0000000100000001 0000000000000000 0000000000000000
[   31.900244] page dumped because: kasan: bad access detected
[   31.905927] 
[   31.907519] Memory state around the buggy address:
[   31.912424]  ffff8801cca07d80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   31.919755]  ffff8801cca07e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   31.927083] >ffff8801cca07e80: f1 f1 f1 f1 04 f2 f2 f2 f2 f2 f2 f2 04 f2 f2 f2
[   31.934409]                    ^
[   31.937751]  ffff8801cca07f00: f3 f3 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00
[   31.945275]  ffff8801cca07f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   31.952630] ==================================================================
[   31.959965] Disabling lock debugging due to kernel taint
[   31.965517] Kernel panic - not syncing: panic_on_warn set ...
[   31.965517] 
[   31.972869] CPU: 1 PID: 3044 Comm: syzkaller076574 Tainted: G    B            4.14.0-mm1+ #25
[   31.981499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   31.990832] Call Trace:
[   31.993408]  dump_stack+0x194/0x257
[   31.997011]  ? arch_local_irq_restore+0x53/0x53
[   32.001648]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   32.006369]  ? vsnprintf+0x1ed/0x1900
[   32.010141]  ? sha3_update+0x20/0x2e0
[   32.013910]  panic+0x1e4/0x41c
[   32.017105]  ? refcount_error_report+0x214/0x214
[   32.021827]  ? add_taint+0x1c/0x50
[   32.025331]  ? add_taint+0x1c/0x50
[   32.028839]  ? sha3_update+0xdf/0x2e0
[   32.032607]  kasan_end_report+0x50/0x50
[   32.036547]  kasan_report+0x144/0x340
[   32.040322]  check_memory_region+0x137/0x190
[   32.044697]  memcpy+0x37/0x50
[   32.047770]  sha3_update+0xdf/0x2e0
[   32.051368]  crypto_shash_update+0xcb/0x220
[   32.055658]  shash_finup_unaligned+0x2a/0x60
[   32.060032]  crypto_shash_finup+0xc4/0x120
[   32.064233]  hmac_finup+0x182/0x330
[   32.067831]  ? shash_default_import+0x5b/0x80
[   32.072296]  crypto_shash_finup+0xc4/0x120
[   32.076500]  shash_digest_unaligned+0x9e/0xd0
[   32.080964]  crypto_shash_digest+0xc4/0x120
[   32.085261]  hmac_setkey+0x36a/0x690
[   32.088966]  ? hmac_setkey+0x20/0x690
[   32.092747]  crypto_shash_setkey+0xad/0x190
[   32.097036]  shash_async_setkey+0x47/0x60
[   32.101150]  crypto_ahash_setkey+0xaf/0x180
[   32.105442]  hash_setkey+0x40/0x90
[   32.108948]  ? hash_accept_parent+0xd0/0xd0
[   32.113236]  alg_setsockopt+0x2a1/0x350
[   32.117180]  SyS_setsockopt+0x189/0x360
[   32.121501]  ? SyS_recv+0x40/0x40
[   32.124924]  ? entry_SYSCALL_64_fastpath+0x5/0x96
[   32.129737]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   32.134730]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   32.139476]  entry_SYSCALL_64_fastpath+0x1f/0x96
[   32.144205] RIP: 0033:0x43fdb9
[   32.147361] RSP: 002b:00007ffd5be32ba8 EFLAGS: 00000217 ORIG_RAX: 0000000000000036
[   32.155034] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fdb9
[   32.162280] RDX: 0000000000000001 RSI: 0000000000000117 RDI: 0000000000000003
[   32.169517] RBP: 0000000000000086 R08: 0000000000001000 R09: 0000000000000000
[   32.176753] R10: 0000000020ea5000 R11: 0000000000000217 R12: 0000000000401720
[   32.183991] R13: 00000000004017b0 R14: 0000000000000000 R15: 0000000000000000
[   32.191625] Dumping ftrace buffer:
[   32.195136]    (ftrace buffer empty)
[   32.198822] Kernel Offset: disabled
[   32.202415] Rebooting in 86400 seconds..