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 '10.128.0.20' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 30.477931] kasan: CONFIG_KASAN_INLINE enabled [ 30.483433] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 30.491056] general protection fault: 0000 [#1] SMP KASAN [ 30.496611] Dumping ftrace buffer: [ 30.500127] (ftrace buffer empty) [ 30.503812] Modules linked in: [ 30.506990] CPU: 0 PID: 4492 Comm: syzkaller771634 Not tainted 4.17.0-rc1+ #10 [ 30.514327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.523668] RIP: 0010:smc_getsockopt+0x8b/0x120 [ 30.528310] RSP: 0018:ffff8801d90b7cc0 EFLAGS: 00010206 [ 30.533661] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000020000000 [ 30.540908] RDX: 0000000000000005 RSI: ffffffff873e3d16 RDI: 0000000000000028 [ 30.548157] RBP: ffff8801d90b7cf0 R08: 0000000020000040 R09: ffffed0036a05800 [ 30.555403] R10: ffffed0036a05800 R11: ffff8801b502c003 R12: ffff8801d90b7d40 [ 30.562649] R13: 0000000000000000 R14: 0000000000000008 R15: 0000000020000000 [ 30.569899] FS: 0000000002017880(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 30.578106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.583965] CR2: 0000000020000040 CR3: 00000001ac552000 CR4: 00000000001406f0 [ 30.591302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.598549] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.605794] Call Trace: [ 30.608366] __sys_getsockopt+0x1a5/0x370 [ 30.612495] ? kernel_setsockopt+0x1d0/0x1d0 [ 30.616882] ? mm_fault_error+0x380/0x380 [ 30.621014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 30.626534] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 30.631355] __x64_sys_getsockopt+0xbe/0x150 [ 30.635743] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 30.640736] do_syscall_64+0x1b1/0x800 [ 30.644603] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 30.649428] ? syscall_return_slowpath+0x5c0/0x5c0 [ 30.654336] ? syscall_return_slowpath+0x30f/0x5c0 [ 30.659246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 30.664761] ? retint_user+0x18/0x18 [ 30.668456] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.673279] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 30.678443] RIP: 0033:0x43fcf9 [ 30.681611] RSP: 002b:00007ffcb16b9c58 EFLAGS: 00000217 ORIG_RAX: 0000000000000037 [ 30.689295] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fcf9 [ 30.696544] RDX: 0000000000000008 RSI: 0000000000000000 RDI: 0000000000000003 [ 30.703791] RBP: 00000000006ca018 R08: 0000000020000040 R09: 00000000004002c8 [ 30.711041] R10: 0000000020000000 R11: 0000000000000217 R12: 0000000000401620 [ 30.718297] R13: 00000000004016b0 R14: 0000000000000000 R15: 0000000000000000 [ 30.725570] 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 [ 30.744705] RIP: smc_getsockopt+0x8b/0x120 RSP: ffff8801d90b7cc0 [ 30.751006] ---[ end trace 7e67761582d7c7ee ]--- [ 30.755799] Kernel panic - not syncing: Fatal exception [ 30.761649] Dumping ftrace buffer: [ 30.765170] (ftrace buffer empty) [ 30.768862] Kernel Offset: disabled [ 30.772464] Rebooting in 86400 seconds..