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-kasan-gce-386-4,10.128.0.20' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   55.463473] ==================================================================
[   55.464623] BUG: KASAN: stack-out-of-bounds in sha3_update+0xdf/0x2e0
[   55.465490] Write of size 4096 at addr ffff8801cc8d7ae8 by task syzkaller208172/3048
[   55.466520] 
[   55.466752] CPU: 1 PID: 3048 Comm: syzkaller208172 Not tainted 4.14.0+ #102
[   55.467682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.468902] Call Trace:
[   55.469261]  dump_stack+0x194/0x257
[   55.469753]  ? arch_local_irq_restore+0x53/0x53
[   55.470401]  ? show_regs_print_info+0x65/0x65
[   55.471008]  ? check_usage+0xb60/0xb60
[   55.471532]  ? sha3_update+0xdf/0x2e0
[   55.472065]  print_address_description+0x73/0x250
[   55.472710]  ? sha3_update+0xdf/0x2e0
[   55.473222]  kasan_report+0x25b/0x340
[   55.473737]  check_memory_region+0x137/0x190
[   55.474327]  memcpy+0x37/0x50
[   55.474750]  sha3_update+0xdf/0x2e0
[   55.475252]  crypto_shash_update+0xcb/0x220
[   55.475837]  shash_finup_unaligned+0x2a/0x60
[   55.476429]  crypto_shash_finup+0xc4/0x120
[   55.477000]  hmac_finup+0x182/0x330
[   55.477487]  ? shash_default_import+0x5b/0x80
[   55.478094]  crypto_shash_finup+0xc4/0x120
[   55.478666]  shash_digest_unaligned+0x9e/0xd0
[   55.479271]  crypto_shash_digest+0xc4/0x120
[   55.479853]  hmac_setkey+0x36a/0x690
[   55.480417]  ? hmac_setkey+0x20/0x690
[   55.480935]  crypto_shash_setkey+0xad/0x190
[   55.481546]  shash_async_setkey+0x47/0x60
[   55.482123]  crypto_ahash_setkey+0xaf/0x180
[   55.482707]  hash_setkey+0x40/0x90
[   55.483185]  ? hash_accept_parent+0xd0/0xd0
[   55.483763]  alg_setsockopt+0x2a1/0x350
[   55.487710]  compat_SyS_setsockopt+0x2e7/0x410
[   55.492265]  ? scm_detach_fds_compat+0x3c0/0x3c0
[   55.496991]  ? do_fast_syscall_32+0x156/0xf9d
[   55.501457]  ? scm_detach_fds_compat+0x3c0/0x3c0
[   55.506194]  do_fast_syscall_32+0x3ee/0xf9d
[   55.510489]  ? do_int80_syscall_32+0x9d0/0x9d0
[   55.515040]  ? kasan_check_read+0x11/0x20
[   55.519155]  ? syscall_return_slowpath+0x550/0x550
[   55.524054]  ? SyS_rt_sigaction+0x94/0x1b0
[   55.528262]  ? lockdep_sys_exit+0x47/0xf0
[   55.532375]  ? retint_user+0x18/0x18
[   55.536062]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   55.540884]  entry_SYSENTER_compat+0x51/0x60
[   55.545258] RIP: 0023:0xf7fd8c79
[   55.548587] RSP: 002b:00000000fffd3d2c EFLAGS: 00000282 ORIG_RAX: 000000000000016e
[   55.556262] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000117
[   55.563498] RDX: 0000000000000001 RSI: 0000000020ea5000 RDI: 0000000000001000
[   55.570734] RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000
[   55.577969] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[   55.585205] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   55.592466] 
[   55.594062] The buggy address belongs to the page:
[   55.598958] page:ffffea00073235c0 count:0 mapcount:0 mapping:          (null) index:0x0
[   55.607064] flags: 0x2fffc0000000000()
[   55.610918] raw: 02fffc0000000000 0000000000000000 0000000000000000 00000000ffffffff
[   55.618764] raw: 0000000000000000 0000000100000001 0000000000000000 0000000000000000
[   55.626607] page dumped because: kasan: bad access detected
[   55.632279] 
[   55.633873] Memory state around the buggy address:
[   55.638767]  ffff8801cc8d7c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   55.646092]  ffff8801cc8d7c80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   55.653416] >ffff8801cc8d7d00: 00 00 00 00 00 f1 f1 f1 f1 04 f2 f2 f2 f3 f3 f3
[   55.660756]                                   ^
[   55.665389]  ffff8801cc8d7d80: f3 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   55.672712]  ffff8801cc8d7e00: f1 f1 f1 f1 f8 f2 f2 f2 f2 f2 f2 f2 00 f2 f2 f2
[   55.680034] ==================================================================
[   55.687356] Disabling lock debugging due to kernel taint
[   55.692848] Kernel panic - not syncing: panic_on_warn set ...
[   55.692848] 
[   55.700187] CPU: 1 PID: 3048 Comm: syzkaller208172 Tainted: G    B            4.14.0+ #102
[   55.708550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.717873] Call Trace:
[   55.720429]  dump_stack+0x194/0x257
[   55.724026]  ? arch_local_irq_restore+0x53/0x53
[   55.728660]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   55.733382]  ? vsnprintf+0x1ed/0x1900
[   55.737149]  ? sha3_update+0x90/0x2e0
[   55.740918]  panic+0x1e4/0x41c
[   55.744087]  ? refcount_error_report+0x214/0x214
[   55.748808]  ? add_taint+0x1c/0x50
[   55.752313]  ? add_taint+0x1c/0x50
[   55.755819]  ? sha3_update+0xdf/0x2e0
[   55.759583]  kasan_end_report+0x50/0x50
[   55.763520]  kasan_report+0x144/0x340
[   55.767287]  check_memory_region+0x137/0x190
[   55.771658]  memcpy+0x37/0x50
[   55.774727]  sha3_update+0xdf/0x2e0
[   55.778327]  crypto_shash_update+0xcb/0x220
[   55.782617]  shash_finup_unaligned+0x2a/0x60
[   55.786994]  crypto_shash_finup+0xc4/0x120
[   55.791195]  hmac_finup+0x182/0x330
[   55.794786]  ? shash_default_import+0x5b/0x80
[   55.799249]  crypto_shash_finup+0xc4/0x120
[   55.803449]  shash_digest_unaligned+0x9e/0xd0
[   55.807913]  crypto_shash_digest+0xc4/0x120
[   55.812201]  hmac_setkey+0x36a/0x690
[   55.815898]  ? hmac_setkey+0x20/0x690
[   55.819666]  crypto_shash_setkey+0xad/0x190
[   55.823955]  shash_async_setkey+0x47/0x60
[   55.828071]  crypto_ahash_setkey+0xaf/0x180
[   55.832358]  hash_setkey+0x40/0x90
[   55.835862]  ? hash_accept_parent+0xd0/0xd0
[   55.840147]  alg_setsockopt+0x2a1/0x350
[   55.844089]  compat_SyS_setsockopt+0x2e7/0x410
[   55.848637]  ? scm_detach_fds_compat+0x3c0/0x3c0
[   55.853358]  ? do_fast_syscall_32+0x156/0xf9d
[   55.857821]  ? scm_detach_fds_compat+0x3c0/0x3c0
[   55.862541]  do_fast_syscall_32+0x3ee/0xf9d
[   55.866829]  ? do_int80_syscall_32+0x9d0/0x9d0
[   55.871378]  ? kasan_check_read+0x11/0x20
[   55.875493]  ? syscall_return_slowpath+0x550/0x550
[   55.880387]  ? SyS_rt_sigaction+0x94/0x1b0
[   55.884599]  ? lockdep_sys_exit+0x47/0xf0
[   55.888711]  ? retint_user+0x18/0x18
[   55.892393]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   55.897204]  entry_SYSENTER_compat+0x51/0x60
[   55.901576] RIP: 0023:0xf7fd8c79
[   55.904906] RSP: 002b:00000000fffd3d2c EFLAGS: 00000282 ORIG_RAX: 000000000000016e
[   55.912587] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000117
[   55.919823] RDX: 0000000000000001 RSI: 0000000020ea5000 RDI: 0000000000001000
[   55.927069] RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000
[   55.934303] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[   55.941538] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   55.948816] Dumping ftrace buffer:
[   55.952325]    (ftrace buffer empty)
[   55.956004] Kernel Offset: disabled
[   55.959597] Rebooting in 86400 seconds..