[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 18.015367] audit: type=1400 audit(1519900925.510:6): avc: denied { map } for pid=4207 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 '10.128.0.57' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 24.326444] audit: type=1400 audit(1519900931.821:7): avc: denied { map } for pid=4221 comm="syzkaller144563" path="/root/syzkaller144563882" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 24.359007] kasan: CONFIG_KASAN_INLINE enabled [ 24.363860] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 24.371342] general protection fault: 0000 [#1] SMP KASAN [ 24.376865] Dumping ftrace buffer: [ 24.380385] (ftrace buffer empty) [ 24.384068] Modules linked in: [ 24.387233] CPU: 1 PID: 4221 Comm: syzkaller144563 Not tainted 4.16.0-rc3+ #334 [ 24.394655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.403999] RIP: 0010:hrtimer_active+0x1da/0x3c0 [ 24.408730] RSP: 0018:ffff8801b74073c0 EFLAGS: 00010202 [ 24.414063] RAX: 0000000000000008 RBX: 1ffff10036e80ea5 RCX: ffffffff81610225 [ 24.421303] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000010 [ 24.428547] RBP: ffff8801b7407500 R08: 0000000000002c02 R09: 0000000000000000 [ 24.435787] R10: 0000000000000011 R11: ffffed00362f7078 R12: 0000000000000010 [ 24.443032] R13: 0000000000000000 R14: ffffed0036e80e83 R15: dffffc0000000000 [ 24.450275] FS: 00000000015dd880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 24.458469] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.464320] CR2: 00007f62a82a9000 CR3: 00000001b32be006 CR4: 00000000001626e0 [ 24.471564] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.478806] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.486048] Call Trace: [ 24.488615] ? hrtimer_forward+0x2d0/0x2d0 [ 24.492821] ? vmx_update_msr_bitmap+0x13a/0x430 [ 24.497552] ? setup_msrs+0x926/0x1d80 [ 24.501409] ? vmx_set_cr4+0x353/0x610 [ 24.505269] hrtimer_try_to_cancel+0x91/0x5b0 [ 24.509735] ? update_exception_bitmap+0x19a/0x200 [ 24.514634] ? __hrtimer_get_remaining+0x1c0/0x1c0 [ 24.519533] ? vmx_vcpu_reset+0x55f/0xc70 [ 24.523660] ? load_vmcs12_host_state+0x1fa0/0x1fa0 [ 24.528652] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 24.533465] ? lock_downgrade+0x980/0x980 [ 24.537588] ? kvm_arch_vcpu_load+0x1c1/0x8d0 [ 24.542064] hrtimer_cancel+0x22/0x40 [ 24.545837] kvm_lapic_reset+0x93/0xf40 [ 24.549781] ? kvm_lapic_set_base+0x750/0x750 [ 24.554245] ? kvm_arch_vcpu_free+0x80/0x80 [ 24.558540] kvm_arch_vcpu_setup+0x31/0x50 [ 24.562746] kvm_vm_ioctl+0x52d/0x1cf0 [ 24.566608] ? kvm_set_memory_region+0x50/0x50 [ 24.571163] ? kfree+0xf3/0x260 [ 24.574414] ? kvm_uevent_notify_change.part.39+0x39c/0x430 [ 24.580100] ? trace_hardirqs_on+0xd/0x10 [ 24.584224] ? fd_install+0x4d/0x60 [ 24.587821] ? kvm_dev_ioctl+0x17b/0x18b0 [ 24.591945] ? install_new_memslots+0x420/0x420 [ 24.596585] ? lock_release+0xa40/0xa40 [ 24.600533] ? rcutorture_record_progress+0x10/0x10 [ 24.605527] ? avc_has_extended_perms+0x7fa/0x12c0 [ 24.610428] ? avc_ss_reset+0x110/0x110 [ 24.614371] ? save_stack+0xa3/0xd0 [ 24.617978] ? save_stack+0x43/0xd0 [ 24.621572] ? __kasan_slab_free+0x11a/0x170 [ 24.625947] ? kasan_slab_free+0xe/0x10 [ 24.629894] ? kmem_cache_free+0x83/0x2a0 [ 24.634015] ? putname+0xee/0x130 [ 24.637444] ? SyS_openat+0x30/0x40 [ 24.641041] ? do_syscall_64+0x281/0x940 [ 24.645076] ? debug_check_no_obj_freed+0x3da/0xf1f [ 24.650060] ? __lock_is_held+0xb6/0x140 [ 24.654098] ? check_same_owner+0x320/0x320 [ 24.658390] ? get_unused_fd_flags+0x190/0x190 [ 24.662942] ? rcu_note_context_switch+0x710/0x710 [ 24.667848] ? kvm_set_memory_region+0x50/0x50 [ 24.672400] do_vfs_ioctl+0x1b1/0x1520 [ 24.676259] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 24.681159] ? ioctl_preallocate+0x2b0/0x2b0 [ 24.685543] ? selinux_capable+0x40/0x40 [ 24.689573] ? putname+0xf3/0x130 [ 24.692997] ? do_sys_open+0x320/0x6d0 [ 24.696862] ? security_file_ioctl+0x7d/0xb0 [ 24.701241] ? security_file_ioctl+0x89/0xb0 [ 24.705621] SyS_ioctl+0x8f/0xc0 [ 24.708958] ? do_vfs_ioctl+0x1520/0x1520 [ 24.713075] do_syscall_64+0x281/0x940 [ 24.716933] ? __do_page_fault+0xc90/0xc90 [ 24.721138] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 24.726652] ? syscall_return_slowpath+0x550/0x550 [ 24.731554] ? syscall_return_slowpath+0x2ac/0x550 [ 24.736461] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 24.741974] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 24.746791] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 24.751951] RIP: 0033:0x43fcf9 [ 24.755110] RSP: 002b:00007fff567124e8 EFLAGS: 00000217 ORIG_RAX: 0000000000000010 [ 24.762789] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fcf9 [ 24.770039] RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 [ 24.777282] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 24.784526] R10: 00000000004002c8 R11: 0000000000000217 R12: 0000000000401620 [ 24.791766] R13: 00000000004016b0 R14: 0000000000000000 R15: 0000000000000000 [ 24.799026] 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 [ 24.818111] RIP: hrtimer_active+0x1da/0x3c0 RSP: ffff8801b74073c0 [ 24.824360] ---[ end trace 08eaf9c127717538 ]--- [ 24.829127] Kernel panic - not syncing: Fatal exception [ 24.834927] Dumping ftrace buffer: [ 24.838444] (ftrace buffer empty) [ 24.842125] Kernel Offset: disabled [ 24.845721] Rebooting in 86400 seconds..