[....] Starting enhanced syslogd: rsyslogd[ 16.540872] audit: type=1400 audit(1519900034.278:5): avc: denied { syslog } for pid=4086 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: [ 19.074170] audit: type=1400 audit(1519900036.811:6): avc: denied { map } for pid=4223 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 '10.128.0.14' (ECDSA) to the list of known hosts. [ 25.341488] audit: type=1400 audit(1519900043.079:7): avc: denied { map } for pid=4237 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 2018/03/01 10:27:23 parsed 1 programs 2018/03/01 10:27:23 executed programs: 0 [ 25.591171] audit: type=1400 audit(1519900043.327:8): avc: denied { map } for pid=4237 comm="syz-execprog" path="/root/syzkaller-shm767782039" 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 [ 25.602367] IPVS: ftp: loaded support on port[0] = 21 [ 25.653637] kasan: CONFIG_KASAN_INLINE enabled [ 25.658271] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 25.665641] general protection fault: 0000 [#1] SMP KASAN [ 25.671160] Dumping ftrace buffer: [ 25.674668] (ftrace buffer empty) [ 25.678349] Modules linked in: [ 25.681518] CPU: 1 PID: 4245 Comm: syz-executor0 Not tainted 4.16.0-rc3+ #244 [ 25.688756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.698088] RIP: 0010:hrtimer_active+0x1da/0x3c0 [ 25.702810] RSP: 0018:ffff8801b17573e0 EFLAGS: 00010202 [ 25.708144] RAX: 0000000000000008 RBX: 1ffff100362eaea9 RCX: ffffffff81610225 [ 25.715384] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000010 [ 25.722625] RBP: ffff8801b1757520 R08: 0000000000002c02 R09: 0000000000000000 [ 25.729863] R10: 0000000000000011 R11: ffffed00362c5078 R12: 0000000000000010 [ 25.737101] R13: 0000000000000000 R14: ffffed00362eae87 R15: dffffc0000000000 [ 25.744342] FS: 0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:00000000097f6900 [ 25.752537] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 25.758387] CR2: 00000000f7ff5000 CR3: 00000001b1d4d004 CR4: 00000000001626e0 [ 25.765630] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.772869] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.780109] Call Trace: [ 25.782674] ? hrtimer_forward+0x2d0/0x2d0 [ 25.786883] ? vmx_update_msr_bitmap+0x13a/0x430 [ 25.791616] ? setup_msrs+0x926/0x1d80 [ 25.795472] ? vmx_set_cr4+0x353/0x610 [ 25.799333] hrtimer_try_to_cancel+0x91/0x5b0 [ 25.803798] ? update_exception_bitmap+0x19a/0x200 [ 25.808700] ? __hrtimer_get_remaining+0x1c0/0x1c0 [ 25.813599] ? vmx_vcpu_reset+0x55f/0xc70 [ 25.817716] ? load_vmcs12_host_state+0x1fa0/0x1fa0 [ 25.822705] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 25.827521] ? unwind_get_return_address+0x61/0xa0 [ 25.832429] hrtimer_cancel+0x22/0x40 [ 25.836206] kvm_lapic_reset+0x93/0xf40 [ 25.840164] ? kvm_lapic_set_base+0x750/0x750 [ 25.844631] ? kvm_arch_vcpu_free+0x80/0x80 [ 25.848934] kvm_arch_vcpu_setup+0x31/0x50 [ 25.853145] kvm_vm_ioctl+0x52d/0x1cf0 [ 25.857018] ? kvm_set_memory_region+0x50/0x50 [ 25.861594] ? __fd_install+0x288/0x740 [ 25.865540] ? get_unused_fd_flags+0x190/0x190 [ 25.870095] ? kfree+0xf3/0x260 [ 25.873348] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.878339] ? do_futex+0x86f/0x22a0 [ 25.882029] ? kfree+0xf3/0x260 [ 25.885283] ? kvm_uevent_notify_change.part.39+0x39c/0x430 [ 25.890969] ? trace_hardirqs_on+0xd/0x10 [ 25.895090] ? exit_robust_list+0x240/0x240 [ 25.899384] ? fd_install+0x4d/0x60 [ 25.902982] ? kvm_dev_ioctl+0x17b/0x18b0 [ 25.907112] ? install_new_memslots+0x420/0x420 [ 25.911759] ? _raw_spin_unlock+0x22/0x30 [ 25.915880] ? __pmd_alloc+0x4e0/0x4e0 [ 25.919739] ? trace_hardirqs_off+0x10/0x10 [ 25.924032] ? debug_check_no_obj_freed+0x3da/0xf1f [ 25.929036] ? check_same_owner+0x320/0x320 [ 25.933332] ? handle_mm_fault+0x35b/0xb10 [ 25.937536] ? rcu_note_context_switch+0x710/0x710 [ 25.942436] ? __might_sleep+0x95/0x190 [ 25.946382] ? _cond_resched+0x14/0x30 [ 25.950241] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 25.955151] ? selinux_file_ioctl+0x444/0x690 [ 25.959614] ? __fget_light+0x2b2/0x3c0 [ 25.963564] kvm_vm_compat_ioctl+0x2ed/0x3f0 [ 25.967944] ? kvm_vm_ioctl+0x1cf0/0x1cf0 [ 25.972070] ? compat_SyS_futex+0x288/0x380 [ 25.976367] ? security_file_ioctl+0x7d/0xb0 [ 25.980832] ? security_file_ioctl+0x89/0xb0 [ 25.985213] compat_SyS_ioctl+0x151/0x2a30 [ 25.989417] ? do_fast_syscall_32+0x156/0xf9f [ 25.993886] ? kvm_vm_ioctl+0x1cf0/0x1cf0 [ 25.998004] ? do_ioctl+0x60/0x60 [ 26.001435] do_fast_syscall_32+0x3ec/0xf9f [ 26.005744] ? do_int80_syscall_32+0x9c0/0x9c0 [ 26.010304] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 26.015041] ? syscall_return_slowpath+0x2ac/0x550 [ 26.019941] ? prepare_exit_to_usermode+0x350/0x350 [ 26.024930] ? sysret32_from_system_call+0x5/0x3c [ 26.029746] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 26.034570] entry_SYSENTER_compat+0x70/0x7f [ 26.038956] RIP: 0023:0xf7ff9c99 [ 26.042290] RSP: 002b:00000000fff32d4c EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 26.049966] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000000ae41 [ 26.057208] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 26.064448] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 26.072069] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 26.079311] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 26.086569] Code: ff ff 48 8d 85 18 ff ff ff 48 c1 e8 03 4e 8d 34 38 e8 1b f2 0f 00 48 8b 85 f0 fe ff ff c6 00 00 48 8b 85 d8 fe ff ff 48 c1 e8 03 <42> 80 3c 38 00 0f 85 c2 01 00 00 48 8b 85 e8 fe ff ff 48 8b 58 [ 26.105644] RIP: hrtimer_active+0x1da/0x3c0 RSP: ffff8801b17573e0 [ 26.111901] ---[ end trace 246a4d2543bbeb50 ]--- [ 26.116661] Kernel panic - not syncing: Fatal exception [ 26.122415] Dumping ftrace buffer: [ 26.125924] (ftrace buffer empty) [ 26.129601] Kernel Offset: disabled [ 26.133194] Rebooting in 86400 seconds..