[?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. [ 17.261686] audit: type=1400 audit(1519759616.680:6): avc: denied { map } for pid=4030 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 '10.128.0.49' (ECDSA) to the list of known hosts. syzkaller login: [ 23.518986] audit: type=1400 audit(1519759622.937:7): avc: denied { map } for pid=4044 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 2018/02/27 19:27:03 parsed 1 programs 2018/02/27 19:27:03 executed programs: 0 [ 23.776787] audit: type=1400 audit(1519759623.195:8): avc: denied { map } for pid=4044 comm="syz-execprog" path="/root/syzkaller-shm911706560" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 23.791567] IPVS: ftp: loaded support on port[0] = 21 [ 23.841076] kasan: CONFIG_KASAN_INLINE enabled [ 23.845745] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 23.853128] general protection fault: 0000 [#1] SMP KASAN [ 23.858683] Dumping ftrace buffer: [ 23.862199] (ftrace buffer empty) [ 23.865885] Modules linked in: [ 23.869054] CPU: 1 PID: 4053 Comm: syz-executor0 Not tainted 4.16.0-rc3+ #241 [ 23.876313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.885651] RIP: 0010:hrtimer_active+0x1da/0x3c0 [ 23.890386] RSP: 0018:ffff8801cf2073e0 EFLAGS: 00010202 [ 23.895723] RAX: 0000000000000008 RBX: 1ffff10039e40ea9 RCX: ffffffff81610225 [ 23.902967] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000010 [ 23.910222] RBP: ffff8801cf207520 R08: 0000000000002c02 R09: 0000000000000000 [ 23.917468] R10: 0000000000000011 R11: ffffed0039d83078 R12: 0000000000000010 [ 23.924714] R13: 0000000000000000 R14: ffffed0039e40e87 R15: dffffc0000000000 [ 23.931962] FS: 0000000000000000(0000) GS:ffff8801db300000(0063) knlGS:0000000009874900 [ 23.940162] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 23.946039] CR2: 00000000f7f97000 CR3: 00000001cf209003 CR4: 00000000001626e0 [ 23.953299] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.960547] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.967793] Call Trace: [ 23.970361] ? hrtimer_forward+0x2d0/0x2d0 [ 23.974573] ? vmx_update_msr_bitmap+0x13a/0x430 [ 23.979321] ? setup_msrs+0x926/0x1d80 [ 23.983185] ? vmx_set_cr4+0x353/0x610 [ 23.987053] hrtimer_try_to_cancel+0x91/0x5b0 [ 23.991524] ? update_exception_bitmap+0x19a/0x200 [ 23.996430] ? __hrtimer_get_remaining+0x1c0/0x1c0 [ 24.001334] ? vmx_vcpu_reset+0x55f/0xc70 [ 24.005453] ? load_vmcs12_host_state+0x1fa0/0x1fa0 [ 24.010451] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 24.015268] ? unwind_get_return_address+0x61/0xa0 [ 24.020177] hrtimer_cancel+0x22/0x40 [ 24.023969] kvm_lapic_reset+0x93/0xf40 [ 24.027916] ? kvm_lapic_set_base+0x750/0x750 [ 24.032389] ? kvm_arch_vcpu_free+0x80/0x80 [ 24.036702] kvm_arch_vcpu_setup+0x31/0x50 [ 24.040912] kvm_vm_ioctl+0x52d/0x1cf0 [ 24.044779] ? kvm_set_memory_region+0x50/0x50 [ 24.049334] ? __fd_install+0x288/0x740 [ 24.053279] ? get_unused_fd_flags+0x190/0x190 [ 24.057841] ? kfree+0xf3/0x260 [ 24.061096] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 24.066096] ? do_futex+0x86f/0x22a0 [ 24.069786] ? kfree+0xf3/0x260 [ 24.073040] ? kvm_uevent_notify_change.part.39+0x39c/0x430 [ 24.078725] ? trace_hardirqs_on+0xd/0x10 [ 24.082848] ? exit_robust_list+0x240/0x240 [ 24.087142] ? fd_install+0x4d/0x60 [ 24.090743] ? kvm_dev_ioctl+0x17b/0x18b0 [ 24.094874] ? install_new_memslots+0x420/0x420 [ 24.099517] ? _raw_spin_unlock+0x22/0x30 [ 24.103643] ? __pmd_alloc+0x4e0/0x4e0 [ 24.107505] ? trace_hardirqs_off+0x10/0x10 [ 24.111814] ? debug_check_no_obj_freed+0x3da/0xf1f [ 24.116818] ? check_same_owner+0x320/0x320 [ 24.121130] ? handle_mm_fault+0x35b/0xb10 [ 24.125384] ? rcu_note_context_switch+0x710/0x710 [ 24.130309] ? __might_sleep+0x95/0x190 [ 24.134264] ? _cond_resched+0x14/0x30 [ 24.138128] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 24.143036] ? selinux_file_ioctl+0x444/0x690 [ 24.147507] ? __fget_light+0x2b2/0x3c0 [ 24.151460] kvm_vm_compat_ioctl+0x2ed/0x3f0 [ 24.155842] ? kvm_vm_ioctl+0x1cf0/0x1cf0 [ 24.159963] ? compat_SyS_futex+0x288/0x380 [ 24.164262] ? security_file_ioctl+0x7d/0xb0 [ 24.168643] ? security_file_ioctl+0x89/0xb0 [ 24.173037] compat_SyS_ioctl+0x151/0x2a30 [ 24.177248] ? do_fast_syscall_32+0x156/0xf9f [ 24.181716] ? kvm_vm_ioctl+0x1cf0/0x1cf0 [ 24.185843] ? do_ioctl+0x60/0x60 [ 24.189267] do_fast_syscall_32+0x3ec/0xf9f [ 24.193564] ? do_int80_syscall_32+0x9c0/0x9c0 [ 24.198126] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 24.202873] ? syscall_return_slowpath+0x2ac/0x550 [ 24.207783] ? prepare_exit_to_usermode+0x350/0x350 [ 24.212784] ? sysret32_from_system_call+0x5/0x3c [ 24.217602] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 24.222425] entry_SYSENTER_compat+0x70/0x7f [ 24.226809] RIP: 0023:0xf7f9bc99 [ 24.230147] RSP: 002b:00000000ff9bab8c EFLAGS: 00000286 ORIG_RAX: 0000000000000036 [ 24.237838] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000000ae41 [ 24.245087] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 24.252338] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 24.259589] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 24.266833] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 24.274086] 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 [ 24.293171] RIP: hrtimer_active+0x1da/0x3c0 RSP: ffff8801cf2073e0 [ 24.299438] ---[ end trace e6a2210a2b15a3c0 ]--- [ 24.304201] Kernel panic - not syncing: Fatal exception [ 24.310019] Dumping ftrace buffer: [ 24.313533] (ftrace buffer empty) [ 24.317211] Kernel Offset: disabled [ 24.320809] Rebooting in 86400 seconds..