INIT: Entering runlevel: 2 [[36minfo[39;49m] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.47' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 33.143483] kasan: CONFIG_KASAN_INLINE enabled [ 33.148241] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 33.155762] general protection fault: 0000 [#1] SMP KASAN [ 33.161295] Dumping ftrace buffer: [ 33.164808] (ftrace buffer empty) [ 33.168503] Modules linked in: [ 33.171676] CPU: 0 PID: 4453 Comm: syzkaller195235 Not tainted 4.17.0-rc1+ #11 [ 33.179013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.188359] RIP: 0010:smc_getsockopt+0x8b/0x120 [ 33.192998] RSP: 0018:ffff8801b48dfcc0 EFLAGS: 00010206 [ 33.198346] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000020000000 [ 33.205589] RDX: 0000000000000005 RSI: ffffffff873e4d16 RDI: 0000000000000028 [ 33.212833] RBP: ffff8801b48dfcf0 R08: 0000000020000040 R09: ffffed0036a80780 [ 33.220079] R10: ffffed0036a80780 R11: ffff8801b5403c03 R12: ffff8801b48dfd40 [ 33.227326] R13: 0000000000000000 R14: 0000000000000008 R15: 0000000020000000 [ 33.234572] FS: 0000000001007880(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 33.242778] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.248636] CR2: 0000000020000040 CR3: 00000001b4c9c000 CR4: 00000000001406f0 [ 33.255883] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.263128] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.270368] Call Trace: [ 33.272937] __sys_getsockopt+0x1a5/0x370 [ 33.277070] ? kernel_setsockopt+0x1d0/0x1d0 [ 33.281465] ? mm_fault_error+0x380/0x380 [ 33.285599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.291114] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 33.295934] __x64_sys_getsockopt+0xbe/0x150 [ 33.300319] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 33.305312] do_syscall_64+0x1b1/0x800 [ 33.309176] ? syscall_return_slowpath+0x5c0/0x5c0 [ 33.314084] ? syscall_return_slowpath+0x30f/0x5c0 [ 33.318993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.324509] ? retint_user+0x18/0x18 [ 33.328199] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.333024] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.338188] RIP: 0033:0x43fcf9 [ 33.341355] RSP: 002b:00007ffceb260648 EFLAGS: 00000217 ORIG_RAX: 0000000000000037 [ 33.349038] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fcf9 [ 33.356280] RDX: 0000000000000008 RSI: 0000000000000000 RDI: 0000000000000003 [ 33.363524] RBP: 00000000006ca018 R08: 0000000020000040 R09: 00000000004002c8 [ 33.370771] R10: 0000000020000000 R11: 0000000000000217 R12: 0000000000401620 [ 33.378023] R13: 00000000004016b0 R14: 0000000000000000 R15: 0000000000000000 [ 33.385272] Code: fa 48 c1 ea 03 80 3c 02 00 0f 85 93 00 00 00 48 8b 9b 50 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 28 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 62 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 28 49 [ 33.404406] RIP: smc_getsockopt+0x8b/0x120 RSP: ffff8801b48dfcc0 [ 33.410582] ---[ end trace 12f412216817fb65 ]--- [ 33.415355] Kernel panic - not syncing: Fatal exception [ 33.421173] Dumping ftrace buffer: [ 33.424688] (ftrace buffer empty) [ 33.428374] Kernel Offset: disabled [ 33.431977] Rebooting in 86400 seconds..