[....] Starting enhanced syslogd: rsyslogd[ 5.104812] audit: type=1400 audit(1513532657.006:5): avc: denied { syslog } for pid=2961 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: [ 8.311029] audit: type=1400 audit(1513532660.212:6): avc: denied { map } for pid=3096 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 'ci-upstream-next-kasan-gce-7,10.128.15.200' (ECDSA) to the list of known hosts. [ 133.366975] audit: type=1400 audit(1513532785.268:7): avc: denied { map } for pid=3116 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 2017/12/17 17:46:25 parsed 1 programs 2017/12/17 17:46:25 executed programs: 0 [ 133.463965] audit: type=1400 audit(1513532785.365:8): avc: denied { map } for pid=3116 comm="syz-execprog" path="/root/syzkaller-shm286703961" 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 [ 133.489542] audit: type=1400 audit(1513532785.365:9): avc: denied { sys_admin } for pid=3121 comm="syz-executor4" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 133.516646] audit: type=1400 audit(1513532785.418:10): avc: denied { sys_chroot } for pid=3123 comm="syz-executor4" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 133.548128] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu 2017/12/17 17:46:30 executed programs: 860 2017/12/17 17:46:35 executed programs: 1626 2017/12/17 17:46:40 executed programs: 2383 2017/12/17 17:46:45 executed programs: 3135 2017/12/17 17:46:50 executed programs: 3889 2017/12/17 17:46:55 executed programs: 4638 2017/12/17 17:47:00 executed programs: 5380 2017/12/17 17:47:05 executed programs: 6122 2017/12/17 17:47:10 executed programs: 6869 2017/12/17 17:47:15 executed programs: 7630 2017/12/17 17:47:20 executed programs: 8390 2017/12/17 17:47:25 executed programs: 9148 2017/12/17 17:47:30 executed programs: 9902 2017/12/17 17:47:35 executed programs: 10672 2017/12/17 17:47:40 executed programs: 11440 2017/12/17 17:47:45 executed programs: 12217 2017/12/17 17:47:50 executed programs: 12979 2017/12/17 17:47:55 executed programs: 13747 2017/12/17 17:48:00 executed programs: 14514 2017/12/17 17:48:05 executed programs: 15283 2017/12/17 17:48:10 executed programs: 16053 2017/12/17 17:48:15 executed programs: 16817 2017/12/17 17:48:20 executed programs: 17587 2017/12/17 17:48:25 executed programs: 18345 2017/12/17 17:48:30 executed programs: 19104 2017/12/17 17:48:35 executed programs: 19851 2017/12/17 17:48:40 executed programs: 20621 2017/12/17 17:48:45 executed programs: 21387 2017/12/17 17:48:50 executed programs: 22160 2017/12/17 17:48:55 executed programs: 22929 result: failed=false hanged=false err=executor 7: failed: invalid command number 7887609648979993647 (errno 110) child failed (errno 1) loop failed (errno 0) invalid command number 7887609648979993647 (errno 110) child failed (errno 1) loop failed (errno 0) [ 287.803155] general protection fault: 0000 [#1] SMP [ 287.808199] Dumping ftrace buffer: [ 287.811703] (ftrace buffer empty) [ 287.815381] Modules linked in: [ 287.818544] CPU: 0 PID: 5 Comm: kworker/u4:0 Not tainted 4.15.0-rc3-next-20171214+ #67 [ 287.826562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 287.835887] Workqueue: netns cleanup_net [ 287.839935] RIP: 0010:native_write_cr4+0x4/0x10 [ 287.844567] RSP: 0018:ffff88021fc03f20 EFLAGS: 00010006 [ 287.849894] RAX: ffff880216980140 RBX: 00000000001606f0 RCX: ffffffff8108d968 [ 287.857129] RDX: 0000000000010000 RSI: 0000000000000000 RDI: 00000000001606f0 [ 287.864365] RBP: ffff88021fc03f20 R08: 0000000000000001 R09: 0000000000000002 [ 287.871602] R10: ffffc90000c8fce8 R11: 0000000000000002 R12: 0000000000000006 [ 287.878838] R13: ffff880216980140 R14: ffffffff81026eb0 R15: 0000000000000000 [ 287.886075] FS: 0000000000000000(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 [ 287.894265] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.900112] CR2: 00007ff8709df000 CR3: 000000000301e001 CR4: 00000000001626f0 [ 287.907349] Call Trace: [ 287.909898] [ 287.912018] hardware_disable+0x1a0/0x210 [ 287.916133] ? kvm_io_bus_get_dev+0x150/0x150 [ 287.920593] kvm_arch_hardware_disable+0x14/0x50 [ 287.925312] hardware_disable_nolock+0x30/0x40 [ 287.929861] flush_smp_call_function_queue+0x95/0x1e0 [ 287.935020] ? inet_twsk_purge+0x12a/0x300 [ 287.939219] generic_smp_call_function_single_interrupt+0x13/0x30 [ 287.945418] smp_call_function_single_interrupt+0x42/0x240 [ 287.951018] call_function_single_interrupt+0xa9/0xb0 [ 287.956172] [ 287.958377] RIP: 0010:lock_is_held_type+0x69/0x90 [ 287.963181] RSP: 0018:ffffc90000c8fd18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff04 [ 287.970852] RAX: 0000000000000000 RBX: ffff880216980140 RCX: ffffffff8218803f [ 287.978088] RDX: 0000000000000000 RSI: ffffffff83080720 RDI: 0000000000000286 [ 287.985322] RBP: ffffc90000c8fd28 R08: 0000000000000000 R09: 0000000000000002 [ 287.992559] R10: ffffc90000c8fce8 R11: 0000000000000002 R12: 0000000000000286 [ 287.999795] R13: 0000000000000000 R14: ffff8802148f0e50 R15: ffffffff8218803a [ 288.007033] ? inet_twsk_purge+0x12a/0x300 [ 288.011264] ? inet_twsk_purge+0x12f/0x300 [ 288.015468] ___might_sleep+0x1d7/0x260 [ 288.019409] inet_twsk_purge+0x142/0x300 [ 288.023436] ? dccp_v6_send_check+0xf0/0xf0 [ 288.027722] ? dccp_v6_exit_batch+0x20/0x20 [ 288.032008] dccp_v6_exit_batch+0x1a/0x20 [ 288.036126] ops_exit_list.isra.6+0x70/0x80 [ 288.040413] cleanup_net+0x210/0x350 [ 288.044095] process_one_work+0x288/0x7a0 [ 288.048209] worker_thread+0x43/0x4d0 [ 288.051975] kthread+0x149/0x170 [ 288.055306] ? process_one_work+0x7a0/0x7a0 [ 288.059592] ? kthread_delayed_work_timer_fn+0xe0/0xe0 [ 288.064833] ret_from_fork+0x24/0x30 [ 288.068514] 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 [ 288.087559] RIP: native_write_cr4+0x4/0x10 RSP: ffff88021fc03f20 [ 288.093670] ---[ end trace 57a5895c8048827c ]--- [ 288.098388] Kernel panic - not syncing: Fatal exception in interrupt [ 288.105274] Dumping ftrace buffer: [ 288.108782] (ftrace buffer empty) [ 288.112456] Kernel Offset: disabled [ 288.116558] Rebooting in 86400 seconds..