[....] Starting enhanced syslogd: rsyslogd[ 5.061369] audit: type=1400 audit(1513464743.850:5): avc: denied { syslog } for pid=2962 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 7.327108] audit: type=1400 audit(1513464746.115:6): avc: denied { map } for pid=3097 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 Warning: Permanently added 'ci-upstream-next-kasan-gce-3,10.128.15.220' (ECDSA) to the list of known hosts. [ 19.706229] audit: type=1400 audit(1513464758.495:7): avc: denied { map } for pid=3112 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16479 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2017/12/16 22:52:38 parsed 1 programs 2017/12/16 22:52:38 executed programs: 0 [ 20.161759] audit: type=1400 audit(1513464758.950:8): avc: denied { map } for pid=3112 comm="syz-execprog" path="/root/syzkaller-shm747671470" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 20.190425] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 20.213245] general protection fault: 0000 [#1] SMP [ 20.218260] Dumping ftrace buffer: [ 20.221762] (ftrace buffer empty) [ 20.225435] Modules linked in: [ 20.228593] CPU: 0 PID: 3124 Comm: syz-executor0 Not tainted 4.15.0-rc3-next-20171214+ #67 [ 20.236956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.246284] RIP: 0010:native_write_cr4+0x4/0x10 [ 20.250922] RSP: 0018:ffffc900018bbb10 EFLAGS: 00010093 [ 20.256260] RAX: ffff880214d345c0 RBX: 00000000001606f0 RCX: ffffffff8108d968 [ 20.263495] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000001606f0 [ 20.270731] RBP: ffffc900018bbb10 R08: 0000000000000001 R09: 0000000000000004 [ 20.277965] R10: ffffc900018bbb30 R11: 0000000000000004 R12: 0000000000000093 [ 20.285200] R13: ffff880214d345c0 R14: ffff8802143800d0 R15: ffff880214380098 [ 20.292437] FS: 00007f36dff9d700(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 [ 20.300635] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.306481] CR2: 00007fd74363f000 CR3: 000000000301e006 CR4: 00000000001626f0 [ 20.313805] Call Trace: [ 20.316362] hardware_disable+0x1a0/0x210 [ 20.320475] ? kvm_io_bus_get_dev+0x150/0x150 [ 20.324938] kvm_arch_hardware_disable+0x14/0x50 [ 20.329655] hardware_disable_nolock+0x30/0x40 [ 20.334201] on_each_cpu+0x86/0x110 [ 20.337789] hardware_disable_all_nolock+0x3e/0x50 [ 20.342682] kvm_put_kvm+0x349/0x4a0 [ 20.346367] ? kvm_put_kvm+0x4a0/0x4a0 [ 20.350218] kvm_vm_release+0x24/0x30 [ 20.353985] __fput+0x120/0x270 [ 20.357228] ____fput+0x15/0x20 [ 20.360471] task_work_run+0xa3/0xe0 [ 20.364149] do_exit+0x3e6/0x1050 [ 20.367568] ? find_held_lock+0x35/0xa0 [ 20.371505] ? get_signal+0x3c7/0xad0 [ 20.375271] do_group_exit+0x60/0x100 [ 20.379037] get_signal+0x36c/0xad0 [ 20.382641] do_signal+0x23/0x670 [ 20.386059] ? do_futex+0x2e0/0xe80 [ 20.389650] ? debug_lockdep_rcu_enabled+0x1d/0x30 [ 20.394544] ? do_vfs_ioctl+0x250/0x840 [ 20.398484] exit_to_usermode_loop+0x13c/0x160 [ 20.403031] syscall_return_slowpath+0x1b4/0x1e0 [ 20.407760] entry_SYSCALL_64_fastpath+0x94/0x96 [ 20.412478] RIP: 0033:0x452a39 [ 20.415633] RSP: 002b:00007f36dff9cce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 20.423302] RAX: fffffffffffffe00 RBX: 0000000000758100 RCX: 0000000000452a39 [ 20.430544] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000758100 [ 20.437793] RBP: 0000000000758100 R08: 0000000000000000 R09: 00000000007580d8 [ 20.445028] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 20.452261] R13: 00007ffcd8341d1f R14: 00007f36dff9d9c0 R15: 0000000000000002 [ 20.459500] Code: 0f 1f 80 00 00 00 00 55 48 89 e5 0f 20 d8 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 0f 22 df 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 <0f> 22 e7 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 44 0f 20 c0 5d [ 20.478529] RIP: native_write_cr4+0x4/0x10 RSP: ffffc900018bbb10 [ 20.484639] ---[ end trace 44c878cb487dfd06 ]--- [ 20.489356] Kernel panic - not syncing: Fatal exception [ 20.494714] Dumping ftrace buffer: [ 20.498221] (ftrace buffer empty) [ 20.501898] Kernel Offset: disabled [ 20.505487] Rebooting in 86400 seconds..