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-386-3,10.128.0.57' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   26.250963] ==================================================================
[   26.252069] BUG: KASAN: global-out-of-bounds in show_timer+0x278/0x2b0
[   26.252978] Read of size 8 at addr ffffffff85342a38 by task syzkaller180438/3078
[   26.253963] 
[   26.254196] CPU: 0 PID: 3078 Comm: syzkaller180438 Not tainted 4.15.0-rc1+ #114
[   26.255171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   26.256390] Call Trace:
[   26.256748]  dump_stack+0x194/0x257
[   26.257241]  ? arch_local_irq_restore+0x53/0x53
[   26.257865]  ? show_regs_print_info+0x65/0x65
[   26.258482]  ? seq_printf+0xb3/0xe0
[   26.259012]  ? show_timer+0x278/0x2b0
[   26.259526]  print_address_description+0x178/0x250
[   26.260187]  ? show_timer+0x278/0x2b0
[   26.260700]  kasan_report+0x25b/0x340
[   26.261215]  __asan_report_load8_noabort+0x14/0x20
[   26.261871]  show_timer+0x278/0x2b0
[   26.262381]  ? timers_start+0x14c/0x1c0
[   26.262918]  traverse+0x248/0xa00
[   26.263397]  ? seq_hlist_next+0xc0/0xc0
[   26.263961]  seq_read+0x96a/0x13d0
[   26.264501]  ? seq_lseek+0x3c0/0x3c0
[   26.265001]  ? selinux_file_permission+0x82/0x460
[   26.265652]  ? security_file_permission+0x89/0x1f0
[   26.266313]  ? rw_verify_area+0xe5/0x2b0
[   26.266881]  do_iter_read+0x3db/0x5b0
[   26.267429]  ? iov_iter_get_pages+0x1150/0x1150
[   26.268062]  compat_readv+0x1bf/0x270
[   26.268665]  ? vfs_iter_read+0xb0/0xb0
[   26.269214]  ? fget_raw+0x20/0x20
[   26.269686]  ? down_read_trylock+0xdb/0x170
[   26.270295]  ? __do_page_fault+0x32d/0xc90
[   26.270876]  ? __handle_mm_fault+0x3e20/0x3e20
[   26.271486]  ? vmacache_find+0x5f/0x280
[   26.275442]  do_compat_preadv64+0xdc/0x100
[   26.279645]  ? do_compat_preadv64+0xdc/0x100
[   26.284026]  compat_SyS_preadv+0x3b/0x50
[   26.288056]  ? compat_SyS_preadv64+0x40/0x40
[   26.292434]  do_fast_syscall_32+0x3ee/0xf9d
[   26.296733]  ? do_int80_syscall_32+0x9d0/0x9d0
[   26.301283]  ? kasan_check_read+0x11/0x20
[   26.305402]  ? syscall_return_slowpath+0x550/0x550
[   26.310303]  ? SyS_rt_sigaction+0x94/0x1b0
[   26.314506]  ? lockdep_sys_exit+0x47/0xf0
[   26.318624]  ? retint_user+0x18/0x18
[   26.322311]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   26.327128]  entry_SYSENTER_compat+0x51/0x60
[   26.331502] RIP: 0023:0xf7f28c79
[   26.334834] RSP: 002b:00000000fffb966c EFLAGS: 00000292 ORIG_RAX: 000000000000014d
[   26.342511] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000205e2ff0
[   26.349751] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000010000
[   26.356987] RBP: 0000000020d71fa0 R08: 0000000000000000 R09: 0000000000000000
[   26.364222] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[   26.371459] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   26.378716] 
[   26.380311] The buggy address belongs to the variable:
[   26.385555]  nstr.44443+0x18/0x40
[   26.388970] 
[   26.390563] Memory state around the buggy address:
[   26.395459]  ffffffff85342900: fa fa fa fa 00 06 fa fa fa fa fa fa 07 fa fa fa
[   26.402786]  ffffffff85342980: fa fa fa fa 05 fa fa fa fa fa fa fa 07 fa fa fa
[   26.410110] >ffffffff85342a00: fa fa fa fa 00 00 00 fa fa fa fa fa 00 fa fa fa
[   26.417435]                                         ^
[   26.422589]  ffffffff85342a80: fa fa fa fa 07 fa fa fa fa fa fa fa 00 00 00 00
[   26.429913]  ffffffff85342b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   26.437237] ==================================================================
[   26.444568] Disabling lock debugging due to kernel taint
[   26.450068] Kernel panic - not syncing: panic_on_warn set ...
[   26.450068] 
[   26.457396] CPU: 0 PID: 3078 Comm: syzkaller180438 Tainted: G    B            4.15.0-rc1+ #114
[   26.466107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   26.475428] Call Trace:
[   26.477979]  dump_stack+0x194/0x257
[   26.481572]  ? arch_local_irq_restore+0x53/0x53
[   26.486208]  ? vprintk_default+0x28/0x30
[   26.490236]  ? vsnprintf+0x1ed/0x1900
[   26.494002]  ? show_timer+0x1e0/0x2b0
[   26.497768]  panic+0x1e4/0x41c
[   26.500924]  ? refcount_error_report+0x214/0x214
[   26.505647]  ? add_taint+0x40/0x50
[   26.509151]  ? add_taint+0x1c/0x50
[   26.512656]  ? show_timer+0x278/0x2b0
[   26.516431]  kasan_end_report+0x50/0x50
[   26.520371]  kasan_report+0x144/0x340
[   26.524138]  __asan_report_load8_noabort+0x14/0x20
[   26.529041]  show_timer+0x278/0x2b0
[   26.532632]  ? timers_start+0x14c/0x1c0
[   26.536574]  traverse+0x248/0xa00
[   26.539994]  ? seq_hlist_next+0xc0/0xc0
[   26.543941]  seq_read+0x96a/0x13d0
[   26.547453]  ? seq_lseek+0x3c0/0x3c0
[   26.551132]  ? selinux_file_permission+0x82/0x460
[   26.555942]  ? security_file_permission+0x89/0x1f0
[   26.560839]  ? rw_verify_area+0xe5/0x2b0
[   26.564867]  do_iter_read+0x3db/0x5b0
[   26.568634]  ? iov_iter_get_pages+0x1150/0x1150
[   26.573275]  compat_readv+0x1bf/0x270
[   26.577043]  ? vfs_iter_read+0xb0/0xb0
[   26.580986]  ? fget_raw+0x20/0x20
[   26.584408]  ? down_read_trylock+0xdb/0x170
[   26.588711]  ? __do_page_fault+0x32d/0xc90
[   26.592912]  ? __handle_mm_fault+0x3e20/0x3e20
[   26.597467]  ? vmacache_find+0x5f/0x280
[   26.601412]  do_compat_preadv64+0xdc/0x100
[   26.605611]  ? do_compat_preadv64+0xdc/0x100
[   26.609985]  compat_SyS_preadv+0x3b/0x50
[   26.614010]  ? compat_SyS_preadv64+0x40/0x40
[   26.618385]  do_fast_syscall_32+0x3ee/0xf9d
[   26.622678]  ? do_int80_syscall_32+0x9d0/0x9d0
[   26.627227]  ? kasan_check_read+0x11/0x20
[   26.631353]  ? syscall_return_slowpath+0x550/0x550
[   26.636249]  ? SyS_rt_sigaction+0x94/0x1b0
[   26.640452]  ? lockdep_sys_exit+0x47/0xf0
[   26.644564]  ? retint_user+0x18/0x18
[   26.648264]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   26.653075]  entry_SYSENTER_compat+0x51/0x60
[   26.657447] RIP: 0023:0xf7f28c79
[   26.660777] RSP: 002b:00000000fffb966c EFLAGS: 00000292 ORIG_RAX: 000000000000014d
[   26.668448] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000205e2ff0
[   26.675682] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000010000
[   26.682919] RBP: 0000000020d71fa0 R08: 0000000000000000 R09: 0000000000000000
[   26.690154] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[   26.697391] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   26.704669] Dumping ftrace buffer:
[   26.708176]    (ftrace buffer empty)
[   26.711871] Kernel Offset: disabled
[   26.715475] Rebooting in 86400 seconds..