[....] Starting enhanced syslogd: rsyslogd[ 11.134566] audit: type=1400 audit(1515215536.474:5): avc: denied { syslog } for pid=3323 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: [ 16.809170] audit: type=1400 audit(1515215542.148:6): avc: denied { map } for pid=3462 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 '10.128.15.214' (ECDSA) to the list of known hosts. [ 22.925927] audit: type=1400 audit(1515215548.265:7): avc: denied { map } for pid=3476 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 2018/01/06 05:12:28 parsed 1 programs 2018/01/06 05:12:28 executed programs: 0 [ 23.060951] audit: type=1400 audit(1515215548.400:8): avc: denied { map } for pid=3476 comm="syz-execprog" path="/root/syzkaller-shm671144993" 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 [ 23.105433] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 23.189250] WARNING: CPU: 0 PID: 3485 at arch/x86/kvm/x86.c:7375 kvm_arch_vcpu_ioctl_run+0x14d/0x59e0 [ 23.198648] Kernel panic - not syncing: panic_on_warn set ... [ 23.198648] [ 23.205980] CPU: 0 PID: 3485 Comm: syz-executor0 Not tainted 4.15.0-rc6-mm1+ #51 [ 23.213480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.222799] Call Trace: [ 23.225361] dump_stack+0x137/0x198 [ 23.228963] panic+0x1e4/0x41c [ 23.232124] ? refcount_error_report+0x214/0x214 [ 23.236849] ? show_regs_print_info+0x18/0x18 [ 23.241317] ? __probe_kernel_read+0x16b/0x1c0 [ 23.245868] ? __warn+0x1c1/0x200 [ 23.249295] ? kvm_arch_vcpu_ioctl_run+0x14d/0x59e0 [ 23.254289] __warn+0x1dc/0x200 [ 23.257539] ? kvm_arch_vcpu_ioctl_run+0x14d/0x59e0 [ 23.262527] report_bug+0x211/0x2d0 [ 23.266135] fixup_bug.part.11+0x37/0x80 [ 23.270164] do_error_trap+0x249/0x290 [ 23.274027] ? math_error+0x310/0x310 [ 23.277803] ? save_stack+0xa3/0xd0 [ 23.281400] ? check_noncircular+0x20/0x20 [ 23.285604] ? __kasan_slab_free+0x11a/0x170 [ 23.289986] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 23.294802] do_invalid_op+0x1b/0x20 [ 23.298485] invalid_op+0x22/0x40 [ 23.301911] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x14d/0x59e0 [ 23.307509] RSP: 0018:ffff8801d090fac0 EFLAGS: 00010293 [ 23.312842] RAX: ffff8801befa66c0 RBX: ffff8801be842000 RCX: ffffffff810b889d [ 23.320082] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801bf7e8260 [ 23.327331] RBP: ffff8801d090fc00 R08: 1ffff10037efdae3 R09: 0000000000000001 [ 23.334571] R10: ffff8801d090faa0 R11: 0000000000000000 R12: 0000000000000000 [ 23.341812] R13: ffff8801bebe3f00 R14: ffff8801bf7e8040 R15: ffff8801bf7e8040 [ 23.349067] ? kvm_arch_vcpu_ioctl_run+0x14d/0x59e0 [ 23.354069] ? __lock_is_held+0xb6/0x140 [ 23.358102] ? put_pid+0xea/0x130 [ 23.361524] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 23.366333] ? refcount_sub_and_test+0x83/0x100 [ 23.370972] ? refcount_dec_and_test+0x1a/0x20 [ 23.375528] kvm_vcpu_ioctl+0x601/0xcb0 [ 23.379471] ? kvm_vcpu_ioctl+0x601/0xcb0 [ 23.383590] ? kvm_vcpu_fault+0x3d0/0x3d0 [ 23.387721] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 23.392886] ? fd_install+0x4d/0x60 [ 23.396486] ? check_noncircular+0x20/0x20 [ 23.400696] ? find_held_lock+0x35/0x1e0 [ 23.404734] ? kvm_vcpu_fault+0x3d0/0x3d0 [ 23.408855] do_vfs_ioctl+0x190/0xfe0 [ 23.412625] ? selinux_file_ioctl+0x354/0x540 [ 23.417099] ? lock_downgrade+0x860/0x860 [ 23.421217] ? ioctl_preallocate+0x1c0/0x1c0 [ 23.425611] ? __fget+0x22b/0x390 [ 23.429041] ? security_file_ioctl+0x89/0xb0 [ 23.433419] SyS_ioctl+0x8f/0xc0 [ 23.436760] entry_SYSCALL_64_fastpath+0x23/0x9a [ 23.441484] RIP: 0033:0x452ac9 [ 23.444641] RSP: 002b:00007f9f9f009c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 [ 23.452319] RAX: ffffffffffffffda RBX: 00007f9f9f00a700 RCX: 0000000000452ac9 [ 23.459557] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 23.466795] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 23.474036] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000 [ 23.481286] R13: 00007ffd7edc848f R14: 00007f9f9f00a9c0 R15: 0000000000000000 [ 23.489205] Dumping ftrace buffer: [ 23.492803] (ftrace buffer empty) [ 23.496481] Kernel Offset: disabled [ 23.500078] Rebooting in 86400 seconds..