[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 12.061972] audit: type=1400 audit(1514247599.407:6): avc: denied { map } for pid=3133 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-upstream-kasan-gce-3,10.128.15.248' (ECDSA) to the list of known hosts. syzkaller login: [ 18.306122] audit: type=1400 audit(1514247605.651:7): avc: denied { map } for pid=3147 comm="syzkaller834441" path="/root/syzkaller834441697" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 net.ipv6.conf.syz7.accept_dad = 0 net.ipv6.conf.syz1.accept_dad = 0 net.ipv6.conf.syz4.accept_dad = 0 net.ipv6.conf.syz3.accept_dad = 0 net.ipv6.conf.syz6.accept_dad = 0 net.ipv6.conf.syz2.accept_dad = 0 net.ipv6.conf.syz5.accept_dad = 0 net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz7.router_solicitations = 0 net.ipv6.conf.syz4.router_solicitations = 0 net.ipv6.conf.syz1.router_solicitations = 0 net.ipv6.conf.syz3.router_solicitations = 0 net.ipv6.conf.syz6.router_solicitations = 0 net.ipv6.conf.syz5.router_solicitations = 0 net.ipv6.conf.syz2.router_solicitations = 0 net.ipv6.conf.syz0.router_solicitations = 0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 19.291448] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu executing program executing program executing program executing program executing program executing program [ 19.363593] WARNING: CPU: 0 PID: 3356 at arch/x86/kernel/traps.c:801 do_debug+0x4d8/0x6e0 [ 19.371951] Kernel panic - not syncing: panic_on_warn set ... [ 19.371951] [ 19.379429] CPU: 0 PID: 3356 Comm: syzkaller834441 Not tainted 4.15.0-rc5+ #237 [ 19.386875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 19.396228] Call Trace: [ 19.398799] <#DB> [ 19.400945] dump_stack+0x194/0x257 [ 19.404573] ? arch_local_irq_restore+0x53/0x53 [ 19.409246] ? vsnprintf+0x1ed/0x1900 executing program executing program executing program executing program [ 19.413051] panic+0x1e4/0x41c [ 19.416234] ? refcount_error_report+0x214/0x214 [ 19.420993] ? show_regs_print_info+0x18/0x18 [ 19.425498] ? __warn+0x1c1/0x200 [ 19.428950] ? do_debug+0x4d8/0x6e0 [ 19.432564] __warn+0x1dc/0x200 [ 19.435847] ? do_debug+0x4d8/0x6e0 [ 19.439478] report_bug+0x211/0x2d0 [ 19.443113] fixup_bug.part.11+0x37/0x80 [ 19.447169] do_error_trap+0x2d7/0x3e0 [ 19.451052] ? lock_downgrade+0x980/0x980 [ 19.455203] ? math_error+0x400/0x400 executing program executing program [ 19.458996] ? raw_notifier_chain_unregister+0x1b0/0x1b0 [ 19.464459] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 19.469307] do_invalid_op+0x1b/0x20 [ 19.473021] invalid_op+0x22/0x40 [ 19.476487] RIP: 0010:do_debug+0x4d8/0x6e0 [ 19.480714] RSP: 0018:fffffe800000ee98 EFLAGS: 00010246 [ 19.486065] RAX: dffffc0000000000 RBX: fffffe800000ef58 RCX: 0000000000000000 [ 19.493321] RDX: 1fffffd000001dfc RSI: 0000000000000001 RDI: ffffffff85ec81f8 [ 19.500580] RBP: fffffe800000ef48 R08: fffffe800000efe8 R09: 0000000000000000 [ 19.507837] R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000e003 [ 19.515093] R13: ffff8801c2340040 R14: 1fffffd000001dd8 R15: 0000000000004000 [ 19.522400] ? do_debug+0x458/0x6e0 [ 19.526043] ? do_int3+0x210/0x210 [ 19.529587] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 19.534437] debug+0x34/0x60 [ 19.537456] RIP: 0010:__put_user_8+0x1f/0x25 [ 19.541842] RSP: 0018:ffff8801c9f8ff28 EFLAGS: 00000293 [ 19.547196] RAX: 000000005a4195b6 RBX: 00007fffffffeff9 RCX: 0000000020000000 [ 19.554465] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000282 [ 19.561726] RBP: ffff8801c9f8ff48 R08: 0000000000000000 R09: 1ffff100393f1fc2 [ 19.568990] R10: ffff8801c9f8fdd8 R11: 0000000000000000 R12: 000000005a4195b6 [ 19.576249] R13: 0000000020000000 R14: 00007f2c937f99c0 R15: 0000000000000001 [ 19.583533] [ 19.585775] ? SyS_time+0x3f/0x60 [ 19.589238] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 19.593985] RIP: 0033:0x44aef9 [ 19.597163] RSP: 002b:00007f2c937f8ce8 EFLAGS: 00000206 ORIG_RAX: 00000000000000c9 [ 19.604863] RAX: ffffffffffffffda RBX: 00000000006dcc24 RCX: 000000000044aef9 [ 19.612126] RDX: 000000000044aef9 RSI: 000000000044aef9 RDI: 0000000020000000 [ 19.619387] RBP: 00000000006dcc20 R08: 0000000000000000 R09: 0000000000000000 [ 19.626647] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 [ 19.633915] R13: 00007ffe9191073f R14: 00007f2c937f99c0 R15: 0000000000000001 [ 19.641902] Dumping ftrace buffer: [ 19.645535] (ftrace buffer empty) [ 19.649218] Kernel Offset: disabled [ 19.652819] Rebooting in 86400 seconds..