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-3,10.128.0.38' (ECDSA) to the list of known hosts. 2017/08/25 07:57:12 parsed 1 programs 2017/08/25 07:57:12 executed programs: 0 syzkaller login: [ 57.966642] kasan: CONFIG_KASAN_INLINE enabled [ 57.971393] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 57.979726] general protection fault: 0000 [#1] SMP KASAN [ 57.985255] Dumping ftrace buffer: [ 57.988785] (ftrace buffer empty) [ 57.992465] Modules linked in: [ 57.995627] CPU: 1 PID: 3339 Comm: syz-executor6 Not tainted 4.13.0-rc6-next-20170824+ #8 [ 58.003916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.013419] task: ffff8801cb8e04c0 task.stack: ffff8801cb080000 [ 58.019450] RIP: 0010:SyS_bpf+0xd18/0x5170 [ 58.023649] RSP: 0018:ffff8801cb0877c8 EFLAGS: 00010206 [ 58.029003] RAX: dffffc0000000000 RBX: 000000000000000f RCX: 0000000000000000 [ 58.036246] RDX: 0000000000000006 RSI: 0000000000000001 RDI: ffffffff84ee4ad8 [ 58.043491] RBP: ffff8801cb087f48 R08: 0000000000000050 R09: 0000000000000000 [ 58.050727] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff10039610f00 [ 58.057969] R13: ffffffff84eeb740 R14: 0000000000000000 R15: 0000000020fcafec [ 58.065225] FS: 00007f39cf11b700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 58.073503] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.079349] CR2: 0000000000461ec0 CR3: 00000001cd2fc000 CR4: 00000000001406e0 [ 58.086587] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.093824] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.101060] Call Trace: [ 58.103631] ? futex_wait+0x6cf/0xa00 [ 58.107412] ? bpf_prog_get+0x20/0x20 [ 58.111180] ? mark_wake_futex+0xc0/0x1c0 [ 58.115293] ? futex_wait_setup+0x3d0/0x3d0 [ 58.119581] ? wake_up_q+0x8a/0xe0 [ 58.123085] ? drop_futex_key_refs.isra.13+0x63/0xb0 [ 58.128152] ? futex_wake+0x2ca/0x680 [ 58.131920] ? get_futex_key+0x1d50/0x1d50 [ 58.136126] ? perf_event_fork+0x30/0x30 [ 58.140161] ? vma_wants_writenotify+0x51/0x3b0 [ 58.144797] ? do_futex+0x781/0x20a0 [ 58.148475] ? vma_wants_writenotify+0x3b0/0x3b0 [ 58.153202] ? exit_robust_list+0x240/0x240 [ 58.157490] ? lock_downgrade+0x990/0x990 [ 58.161601] ? SyS_brk+0x6f0/0x6f0 [ 58.165109] ? arch_get_unmapped_area+0x750/0x750 [ 58.169917] ? lock_acquire+0x1d5/0x580 [ 58.173866] ? vm_mmap_pgoff+0x198/0x280 [ 58.177893] ? __handle_mm_fault+0x587/0x39c0 [ 58.182361] ? userfaultfd_unmap_complete+0x327/0x510 [ 58.187544] ? userfaultfd_unmap_prep+0x540/0x540 [ 58.192355] ? do_mmap+0x34f/0xd50 [ 58.195862] ? up_write+0x6b/0x120 [ 58.199365] ? up_read+0x40/0x40 [ 58.202704] ? down_write+0x120/0x120 [ 58.206557] ? security_mmap_file+0x14e/0x190 [ 58.211023] ? vm_mmap_pgoff+0x1fc/0x280 [ 58.215064] ? vm_mmap_pgoff+0x13b/0x280 [ 58.219091] ? vma_is_stack_for_current+0xa0/0xa0 [ 58.223906] ? SyS_futex+0x260/0x390 [ 58.227581] ? SyS_futex+0x269/0x390 [ 58.231261] ? do_futex+0x20a0/0x20a0 [ 58.235044] ? entry_SYSCALL_64_fastpath+0x5/0xbe [ 58.239855] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 58.244577] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 58.249398] RIP: 0033:0x4512e9 [ 58.252553] RSP: 002b:00007f39cf11ac08 EFLAGS: 00000216 ORIG_RAX: 0000000000000141 [ 58.260227] RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 00000000004512e9 [ 58.267463] RDX: 0000000000000014 RSI: 0000000020fcafec RDI: 0000000000000000 [ 58.274710] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 58.281961] R10: 0000000000000000 R11: 0000000000000216 R12: 0000000000000000 [ 58.289209] R13: 00007ffdd2076faf R14: 00007f39cf11b9c0 R15: 0000000000000000 [ 58.296551] Code: 00 0f 85 dc 43 00 00 49 8d 46 30 4e 8b 2c ed 60 4a ee 84 48 89 c2 48 89 85 b0 f8 ff ff 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 9d 43 00 00 49 8d 7e 04 48 b8 00 00 00 00 00 [ 58.315624] RIP: SyS_bpf+0xd18/0x5170 RSP: ffff8801cb0877c8 [ 58.321339] ---[ end trace 69900cecdb363fc0 ]--- [ 58.326163] Kernel panic - not syncing: Fatal exception [ 58.331574] Dumping ftrace buffer: [ 58.335087] (ftrace buffer empty) [ 58.338771] Kernel Offset: disabled [ 58.342370] Rebooting in 86400 seconds..