audit: type=1400 audit(1561500143.353:36): avc: denied { map } for pid=7070 comm="syz-executor399" path="/root/syz-executor399564363" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7072 at arch/x86/kvm/x86.c:7464 kvm_arch_vcpu_ioctl_run+0xf5/0x1000 arch/x86/kvm/x86.c:7464 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 7072 Comm: syz-executor399 Not tainted 4.14.130 #24 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c lib/dump_stack.c:53 panic+0x1f2/0x426 kernel/panic.c:182 __warn.cold+0x2f/0x36 kernel/panic.c:546 report_bug+0x216/0x254 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x1bb/0x310 arch/x86/kernel/traps.c:295 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:960 RIP: 0010:kvm_arch_vcpu_ioctl_run+0xf5/0x1000 arch/x86/kvm/x86.c:7464 RSP: 0018:ffff888081ae7bd8 EFLAGS: 00010297 RAX: ffff888095c38140 RBX: ffff888081149000 RCX: ffff8880820f845c RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880820f8268 RBP: ffff888081ae7c30 R08: 0000000000000001 R09: ffff888095c389e0 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880820f8040 R13: 0000000000000000 R14: ffff8880820f8040 R15: ffff8880820f8118 kvm_vcpu_ioctl+0x401/0xd10 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2588 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x448cb9 RSP: 002b:00007fa5f3bcace8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000006ddc58 RCX: 0000000000448cb9 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 00000000006ddc50 R08: 00007fa5f3bcb700 R09: 0000000000000000 R10: 00007fa5f3bcb700 R11: 0000000000000246 R12: 00000000006ddc5c R13: 00007ffc6cba3fff R14: 00007fa5f3bcb9c0 R15: 20c49ba5e353f7cf Kernel Offset: disabled Rebooting in 86400 seconds..