[ 38.958280] audit: type=1800 audit(1551058446.930:32): pid=7672 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. [ 39.771499] audit: type=1800 audit(1551058447.820:33): pid=7672 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 '10.128.0.16' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 47.700944] kauditd_printk_skb: 2 callbacks suppressed [ 47.700958] audit: type=1400 audit(1551058455.750:36): avc: denied { map } for pid=7861 comm="syz-executor144" path="/root/syz-executor144129638" 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 [ 47.704558] INFO: trying to register non-static key. [ 47.737535] the code is fine but needs lockdep annotation. [ 47.743134] turning off the locking correctness validator. [ 47.748737] CPU: 1 PID: 7861 Comm: syz-executor144 Not tainted 5.0.0-rc7+ #86 [ 47.755989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.765319] Call Trace: [ 47.767895] dump_stack+0x172/0x1f0 [ 47.771502] register_lock_class+0x1bdc/0x1bf0 [ 47.776067] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 47.781062] ? bpf_prog_kallsyms_find+0x50/0x2c0 [ 47.785830] ? check_noncircular+0x20/0x20 [ 47.790048] ? is_bpf_text_address+0xd3/0x170 [ 47.794523] ? kernel_text_address+0x73/0xf0 [ 47.798912] __lock_acquire+0x11f/0x4700 [ 47.802956] ? check_noncircular+0x20/0x20 [ 47.807173] ? mark_held_locks+0x100/0x100 [ 47.811386] ? __lock_acquire+0x53b/0x4700 [ 47.815601] ? __lock_acquire+0x53b/0x4700 [ 47.819819] ? __lock_acquire+0x53b/0x4700 [ 47.824042] lock_acquire+0x16f/0x3f0 [ 47.827821] ? __flush_work+0x61a/0x840 [ 47.831776] __flush_work+0x640/0x840 [ 47.835562] ? __flush_work+0x61a/0x840 [ 47.839516] ? try_wait_for_completion+0x9a/0xd0 [ 47.844260] ? insert_work+0x3a0/0x3a0 [ 47.848126] ? mark_held_locks+0xb1/0x100 [ 47.852258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.857776] ? refcount_sub_and_test_checked+0x161/0x1f0 [ 47.863207] ? refcount_inc_checked+0x70/0x70 [ 47.867689] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 47.873122] ? __drm_atomic_helper_crtc_destroy_state+0xf3/0x340 [ 47.879263] flush_work+0x18/0x20 [ 47.882703] vkms_atomic_crtc_destroy_state+0x2d/0x40 [ 47.887877] drm_atomic_state_default_clear+0x37c/0xd60 [ 47.893225] drm_atomic_state_clear+0x9d/0xc0 [ 47.897721] __drm_atomic_state_free+0x3c/0xf0 [ 47.902290] drm_atomic_helper_set_config+0xe5/0x160 [ 47.907389] drm_mode_setcrtc+0x613/0x1490 [ 47.911603] ? mark_held_locks+0x100/0x100 [ 47.915820] ? drm_mode_getcrtc+0x870/0x870 [ 47.920120] ? drm_unbind_agp+0x20/0x20 [ 47.924073] ? find_held_lock+0x35/0x130 [ 47.928115] ? drm_unbind_agp+0x20/0x20 [ 47.932069] ? drm_lease_owner+0x45/0x60 [ 47.936129] ? drm_is_current_master+0x5c/0x140 [ 47.940784] drm_ioctl_kernel+0x23b/0x2e0 [ 47.944910] ? drm_mode_getcrtc+0x870/0x870 [ 47.949219] ? drm_setversion+0x8c0/0x8c0 [ 47.953359] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 47.958876] ? _copy_from_user+0xdd/0x150 [ 47.963006] drm_ioctl+0x545/0xa50 [ 47.966527] ? drm_mode_getcrtc+0x870/0x870 [ 47.970830] ? drm_version+0x3d0/0x3d0 [ 47.974702] ? debug_check_no_obj_freed+0x200/0x464 [ 47.979718] ? __might_sleep+0x95/0x190 [ 47.983704] ? trace_hardirqs_off+0x62/0x220 [ 47.988100] ? drm_version+0x3d0/0x3d0 [ 47.991975] do_vfs_ioctl+0xd6e/0x1390 [ 47.995853] ? selinux_file_ioctl+0x46f/0x5e0 [ 48.000355] ? selinux_file_ioctl+0x125/0x5e0 [ 48.004835] ? ioctl_preallocate+0x210/0x210 [ 48.009230] ? selinux_file_mprotect+0x620/0x620 [ 48.013964] ? putname+0xef/0x130 [ 48.017416] ? kmem_cache_free+0x225/0x260 [ 48.021633] ? putname+0xf4/0x130 [ 48.025067] ? do_sys_open+0x31d/0x5d0 [ 48.028937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 48.034460] ? security_file_ioctl+0x93/0xc0 [ 48.038847] ksys_ioctl+0xab/0xd0 [ 48.042293] __x64_sys_ioctl+0x73/0xb0 [ 48.046163] do_syscall_64+0x103/0x610 [ 48.050032] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.055200] RIP: 0033:0x443de9 [ 48.058378] 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 [ 48.077278] RSP: 002b:00007ffed95d76b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.084981] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000443de9 [ 48.092234] RDX: 0000000020000180 RSI: 00000000c06864a2 RDI: 0000000000000003 [ 48.099497] RBP: 00000000006ce018