[?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. [ 11.835912] audit: type=1400 audit(1514066331.481:6): avc: denied { map } for pid=3131 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 'ci-upstream-next-kasan-gce-3,10.128.0.59' (ECDSA) to the list of known hosts. syzkaller login: [ 35.068304] audit: type=1400 audit(1514066354.714:7): avc: denied { map } for pid=3150 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 2017/12/23 21:59:14 parsed 1 programs 2017/12/23 21:59:14 executed programs: 0 [ 35.173056] audit: type=1400 audit(1514066354.818:8): avc: denied { map } for pid=3150 comm="syz-execprog" path="/root/syzkaller-shm422423159" 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 [ 35.233495] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu 2017/12/23 21:59:19 executed programs: 231 result: failed=false hanged=false err=executor 3: failed to read output coverage: record 1 call 1: expect syscall 983, got 249, executed 2 (cov: 0:0|1:nil|2:nil|3:nil|4:nil|5:nil|6:nil|7:nil|8:nil|9:nil|) result: failed=false hanged=false err=executor 5: failed to read output coverage: record 0 call 0: expect syscall 923, got 983, executed 7 (cov: 0:nil|1:nil|2:nil|3:nil|4:nil|5:nil|6:nil|7:nil|8:nil|9:nil|) result: failed=false hanged=false err=executor 5: failed to read output coverage: record 0 call 0: expect syscall 923, got 983, executed 3 (cov: 0:nil|1:nil|2:nil|3:nil|4:nil|5:nil|6:nil|7:nil|8:nil|9:nil|) result: failed=false hanged=false err=executor 4: failed to read output coverage: record 0 call 0: expect syscall 923, got 983, executed 10 (cov: 0:nil|1:nil|2:nil|3:nil|4:nil|5:nil|6:nil|7:nil|8:nil|9:nil|) result: failed=false hanged=false err=executor 3: failed to read output coverage: record 0 call 0: expect syscall 923, got 983, executed 7 (cov: 0:nil|1:nil|2:nil|3:nil|4:nil|5:nil|6:nil|7:nil|8:nil|9:nil|) result: failed=false hanged=false err=executor 0: failed: invalid command number 8679965255895708463 (errno 110) child failed (errno 1) loop failed (errno 0) invalid command number 8679965255895708463 (errno 110) child failed (errno 1) loop failed (errno 0) result: failed=false hanged=false err=executor 5: failed to read output coverage: record 0 call 0: expect syscall 923, got 983, executed 3 (cov: 0:nil|1:nil|2:nil|3:nil|4:nil|5:nil|6:nil|7:nil|8:nil|9:nil|) result: failed=false hanged=false err=executor 6: failed to read output coverage: record 0 call 0: expect syscall 923, got 983, executed 3 (cov: 0:nil|1:nil|2:nil|3:nil|4:nil|5:nil|6:nil|7:nil|8:nil|9:nil|) [ 44.464231] kasan: CONFIG_KASAN_INLINE enabled [ 44.468856] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 44.476189] general protection fault: 0000 [#1] SMP KASAN [ 44.481694] Dumping ftrace buffer: [ 44.485200] (ftrace buffer empty) [ 44.488877] Modules linked in: [ 44.492038] CPU: 0 PID: 1606 Comm: udevd Not tainted 4.15.0-rc4-next-20171221+ #78 [ 44.499708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.509037] RIP: 0010:native_write_cr4+0x4/0x10 [ 44.513671] RSP: 0018:ffff8801db207ca8 EFLAGS: 00010006 [ 44.519004] RAX: ffff8801d0516440 RBX: 00000000001606f0 RCX: ffffffff811a47f2 [ 44.526242] RDX: 0000000000010000 RSI: 0000000000000000 RDI: 00000000001606f0 [ 44.533481] RBP: ffff8801db207ca8 R08: ffff8801d051f938 R09: ffff8801d0516440 [ 44.540721] R10: 000000000000000b R11: ffffed003a0a3f2a R12: 0000000000000006 [ 44.547957] R13: ffff8801d0516440 R14: ffff8801db21a130 R15: ffff8801db21a130 [ 44.555196] FS: 00007fc19b7ee7a0(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 44.563391] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.569238] CR2: 00007fc19b7f4000 CR3: 00000001d042e003 CR4: 00000000001626f0 [ 44.576478] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.583713] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.590950] Call Trace: [ 44.593501] [ 44.595624] hardware_disable+0x34a/0x4b0 [ 44.599742] ? irq_work_sync+0x1a0/0x1a0 [ 44.603770] ? lock_downgrade+0x980/0x980 [ 44.607888] ? kvm_io_bus_get_dev+0x2a0/0x2a0 [ 44.612379] kvm_arch_hardware_disable+0x35/0xd0 [ 44.617104] hardware_disable_nolock+0x30/0x40 [ 44.621653] flush_smp_call_function_queue+0x1f4/0x570 [ 44.626899] ? cpumask_weight+0x40/0x40 [ 44.630841] ? rcu_idle_exit+0x410/0x410 [ 44.634874] ? __lock_is_held+0xb6/0x140 [ 44.638909] generic_smp_call_function_single_interrupt+0x13/0x30 [ 44.645108] smp_call_function_single_interrupt+0x103/0x640 [ 44.650786] ? smp_call_function_interrupt+0x640/0x640 [ 44.656027] ? _raw_spin_lock+0x32/0x40 [ 44.659971] ? _raw_spin_unlock+0x22/0x30 [ 44.664085] ? handle_edge_irq+0x2b4/0x7c0 [ 44.668285] ? task_prio+0x40/0x40 [ 44.671798] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.676612] call_function_single_interrupt+0xa9/0xb0 [ 44.681766] [ 44.683974] RIP: 0010:unwind_next_frame.part.6+0x19a/0xb40 [ 44.689564] RSP: 0018:ffff8801d051f7e0 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff04 [ 44.697236] RAX: dffffc0000000000 RBX: ffff8801d051f900 RCX: ffff8801d051f8b0 [ 44.704473] RDX: ffff8801d051f928 RSI: ffff8801d051f988 RDI: ffff8801d051f900 [ 44.711717] RBP: ffff8801d051f8d8 R08: ffff8801d051f938 R09: ffff8801d0516440 [ 44.718952] R10: 000000000000000b R11: ffffed003a0a3f2a R12: 1ffff1003a0a3f02 [ 44.726188] R13: ffff8801d051f988 R14: 1ffff1003a0a3f06 R15: ffff8801d051f950 [ 44.733437] ? unwind_dump+0x4d0/0x4d0 [ 44.737298] ? unwind_dump+0x4d0/0x4d0 [ 44.741160] ? rcutorture_record_progress+0x10/0x10 [ 44.746152] ? __unwind_start+0x169/0x330 [ 44.750268] unwind_next_frame+0x3e/0x50 [ 44.754299] __save_stack_trace+0x6e/0xd0 [ 44.758416] ? save_stack_trace+0x1a/0x20 [ 44.762532] save_stack_trace+0x1a/0x20 [ 44.766471] save_stack+0x43/0xd0 [ 44.769894] ? save_stack+0x43/0xd0 [ 44.773486] ? kasan_kmalloc+0xad/0xe0 [ 44.777343] ? kasan_slab_alloc+0x12/0x20 [ 44.781456] ? kmem_cache_alloc+0x11b/0x760 [ 44.785744] ? anon_vma_clone+0x139/0x700 [ 44.789857] ? __split_vma+0x2f7/0x7b0 [ 44.793711] ? do_munmap+0xb54/0xdf0 [ 44.797398] ? vm_munmap+0x10b/0x180 [ 44.801077] ? SyS_munmap+0x25/0x30 [ 44.804668] ? entry_SYSCALL_64_fastpath+0x1f/0x96 [ 44.809571] ? save_stack+0xa3/0xd0 [ 44.813166] ? print_irqtrace_events+0x270/0x270 [ 44.817886] ? kasan_slab_alloc+0x12/0x20 [ 44.821999] ? kmem_cache_alloc+0x12e/0x760 [ 44.826299] ? __split_vma+0x10b/0x7b0 [ 44.830152] ? do_munmap+0xb54/0xdf0 [ 44.833833] ? vm_munmap+0x10b/0x180 [ 44.837513] ? SyS_munmap+0x25/0x30 [ 44.841106] ? entry_SYSCALL_64_fastpath+0x1f/0x96 [ 44.846006] ? kernfs_put_open_node.isra.6+0x3d0/0x3d0 [ 44.851251] ? mntput_no_expire+0x15e/0xa90 [ 44.855543] ? check_noncircular+0x20/0x20 [ 44.859746] ? mark_held_locks+0xaf/0x100 [ 44.863862] ? kasan_unpoison_shadow+0x35/0x50 [ 44.868414] kasan_kmalloc+0xad/0xe0 [ 44.872097] kasan_slab_alloc+0x12/0x20 [ 44.876036] kmem_cache_alloc+0x12e/0x760 [ 44.880157] anon_vma_clone+0x139/0x700 [ 44.884101] ? unlink_anon_vmas+0x9f0/0x9f0 [ 44.888395] __split_vma+0x2f7/0x7b0 [ 44.892076] ? rcu_note_context_switch+0x710/0x710 [ 44.896972] ? find_vma_prev+0x140/0x140 [ 44.900997] ? vmacache_find+0x5f/0x280 [ 44.904944] ? find_vma+0x30/0x150 [ 44.908452] do_munmap+0xb54/0xdf0 [ 44.911958] ? __close_fd+0x222/0x360 [ 44.915728] vm_munmap+0x10b/0x180 [ 44.919238] ? do_munmap+0xdf0/0xdf0 [ 44.922918] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 44.927906] SyS_munmap+0x25/0x30 [ 44.931328] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 44.936050] RIP: 0033:0x7fc19aefed37 [ 44.939729] RSP: 002b:00007fff7b9a4018 EFLAGS: 00000206 ORIG_RAX: 000000000000000b [ 44.947403] RAX: ffffffffffffffda RBX: 000000000122ff60 RCX: 00007fc19aefed37 [ 44.954638] RDX: 0000000000000000 RSI: 0000000000001000 RDI: 00007fc19b7f4000 [ 44.961876] RBP: 0000000000000000 R08: 00007fc19b7ee7a0 R09: 0000000000000000 [ 44.969112] R10: 1999999999999999 R11: 0000000000000206 R12: 00000000ffffffff [ 44.976348] R13: 000000000122ff60 R14: 0000000000000006 R15: 0000000000000ae8 [ 44.983591] 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 [ 45.002677] RIP: native_write_cr4+0x4/0x10 RSP: ffff8801db207ca8 [ 45.008794] ---[ end trace 265db654f356c5e8 ]--- [ 45.013514] Kernel panic - not syncing: Fatal exception in interrupt [ 45.020002] Dumping ftrace buffer: [ 45.023510] (ftrace buffer empty) [ 45.027186] Kernel Offset: disabled [ 45.030779] Rebooting in 86400 seconds..