[ 39.215733] audit: type=1800 audit(1549756691.139:32): pid=7697 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 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. [ 39.884448] audit: type=1800 audit(1549756691.909:33): pid=7697 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.69' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 50.086143] kauditd_printk_skb: 2 callbacks suppressed [ 50.086157] audit: type=1400 audit(1549756702.109:36): avc: denied { map } for pid=7884 comm="syz-executor716" path="/root/syz-executor716821264" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 50.090017] INFO: trying to register non-static key. [ 50.122880] the code is fine but needs lockdep annotation. [ 50.128480] turning off the locking correctness validator. [ 50.134096] CPU: 0 PID: 7884 Comm: syz-executor716 Not tainted 5.0.0-rc5+ #65 [ 50.141574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.150907] Call Trace: [ 50.153482] dump_stack+0x172/0x1f0 [ 50.157095] register_lock_class+0x1bdc/0x1bf0 [ 50.161654] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 50.166648] ? bpf_prog_kallsyms_find+0x50/0x2c0 [ 50.171386] ? check_noncircular+0x20/0x20 [ 50.175598] ? is_bpf_text_address+0xd3/0x170 [ 50.180073] ? kernel_text_address+0x73/0xf0 [ 50.184459] __lock_acquire+0x11f/0x4700 [ 50.188505] ? check_noncircular+0x20/0x20 [ 50.192720] ? mark_held_locks+0x100/0x100 [ 50.196931] ? __lock_acquire+0x53b/0x4700 [ 50.201143] ? __lock_acquire+0x53b/0x4700 [ 50.205354] ? __lock_acquire+0x53b/0x4700 [ 50.209586] lock_acquire+0x16f/0x3f0 [ 50.213373] ? __flush_work+0x61a/0x840 [ 50.217332] __flush_work+0x640/0x840 [ 50.221108] ? __flush_work+0x61a/0x840 [ 50.225061] ? try_wait_for_completion+0x9a/0xd0 [ 50.229794] ? insert_work+0x3a0/0x3a0 [ 50.233660] ? mark_held_locks+0xb1/0x100 [ 50.237784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.243298] ? refcount_sub_and_test_checked+0x161/0x1f0 [ 50.248734] ? refcount_inc_checked+0x70/0x70 [ 50.253235] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 50.258668] ? __drm_atomic_helper_crtc_destroy_state+0xf3/0x340 [ 50.264790] flush_work+0x18/0x20 [ 50.268233] vkms_atomic_crtc_destroy_state+0x2d/0x40 [ 50.273403] drm_atomic_state_default_clear+0x37c/0xd60 [ 50.278745] drm_atomic_state_clear+0x9d/0xc0 [ 50.283217] __drm_atomic_state_free+0x3c/0xf0 [ 50.287792] drm_atomic_helper_set_config+0xe5/0x160 [ 50.292874] drm_mode_setcrtc+0x613/0x1490 [ 50.297087] ? mark_held_locks+0x100/0x100 [ 50.301305] ? drm_mode_getcrtc+0x870/0x870 [ 50.305607] ? drm_unbind_agp+0x20/0x20 [ 50.309560] ? find_held_lock+0x35/0x130 [ 50.313603] ? drm_unbind_agp+0x20/0x20 [ 50.317559] ? drm_lease_owner+0x45/0x60 [ 50.321603] ? drm_is_current_master+0x5c/0x140 [ 50.326257] drm_ioctl_kernel+0x23b/0x2e0 [ 50.330383] ? drm_mode_getcrtc+0x870/0x870 [ 50.334709] ? drm_setversion+0x8c0/0x8c0 [ 50.338842] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 50.344357] ? _copy_from_user+0xdd/0x150 [ 50.348487] drm_ioctl+0x545/0xa50 [ 50.352009] ? drm_mode_getcrtc+0x870/0x870 [ 50.356312] ? drm_version+0x3d0/0x3d0 [ 50.360179] ? debug_check_no_obj_freed+0x200/0x464 [ 50.365178] ? __might_sleep+0x95/0x190 [ 50.369150] ? trace_hardirqs_off+0x62/0x220 [ 50.373660] ? drm_version+0x3d0/0x3d0 [ 50.377532] do_vfs_ioctl+0xd6e/0x1390 [ 50.381405] ? selinux_file_ioctl+0x46f/0x5e0 [ 50.385879] ? selinux_file_ioctl+0x125/0x5e0 [ 50.390362] ? ioctl_preallocate+0x210/0x210 [ 50.394748] ? selinux_file_mprotect+0x620/0x620 [ 50.399485] ? putname+0xef/0x130 [ 50.402917] ? kmem_cache_free+0x225/0x260 [ 50.407134] ? putname+0xf4/0x130 [ 50.410566] ? do_sys_open+0x31d/0x5d0 [ 50.414434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.419950] ? security_file_ioctl+0x93/0xc0 [ 50.424336] ksys_ioctl+0xab/0xd0 [ 50.427773] __x64_sys_ioctl+0x73/0xb0 [ 50.431643] do_syscall_64+0x103/0x610 [ 50.435511] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.440679] RIP: 0033:0x443de9 [ 50.443855] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b d8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 50.462747] RSP: 002b:00007ffdc5ce2e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.470431] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000443de9 [ 50.477679] RDX: 0000000020000180 RSI: 00000000c06864a2 RDI: 0000000000000003 [ 50.484924] RBP: 00000000006ce0