Warning: Permanently added '10.128.10.49' (ECDSA) to the list of known hosts. executing program [ 56.511379] audit: type=1400 audit(1546121206.100:36): avc: denied { map } for pid=8444 comm="syz-executor087" path="/root/syz-executor087352734" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 56.545042] IPVS: ftp: loaded support on port[0] = 21 [ 56.575637] FAULT_INJECTION: forcing a failure. [ 56.575637] name failslab, interval 1, probability 0, space 0, times 1 [ 56.586972] CPU: 1 PID: 8445 Comm: syz-executor087 Not tainted 4.20.0+ #175 [ 56.594082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.603423] Call Trace: [ 56.605997] dump_stack+0x1d3/0x2c6 [ 56.609613] ? dump_stack_print_info.cold.1+0x20/0x20 [ 56.614784] ? lock_acquire+0x1ed/0x520 [ 56.618748] should_fail.cold.4+0xa/0x17 [ 56.622793] ? arch_local_save_flags+0x40/0x40 [ 56.627360] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 56.632451] ? graph_lock+0x270/0x270 [ 56.636235] ? graph_lock+0x270/0x270 [ 56.640019] ? __drm_mode_object_find+0x33/0x210 [ 56.644776] ? find_held_lock+0x36/0x1c0 [ 56.648819] ? __lock_is_held+0xb5/0x140 [ 56.652870] ? ___might_sleep+0x1ed/0x300 [ 56.656998] ? arch_local_save_flags+0x40/0x40 [ 56.661575] __should_failslab+0x124/0x180 [ 56.665791] should_failslab+0x9/0x14 [ 56.669574] kmem_cache_alloc_trace+0x2db/0x750 [ 56.674229] ? drm_modeset_backoff+0x790/0x790 [ 56.678796] ? wait_for_completion+0x8a0/0x8a0 [ 56.683361] drm_atomic_state_alloc+0xb8/0x110 [ 56.687924] set_property_atomic+0xbb/0x330 [ 56.692239] ? refcount_add_not_zero_checked+0x330/0x330 [ 56.697672] ? drm_object_property_get_value+0x180/0x180 [ 56.703110] ? mutex_unlock+0xd/0x10 [ 56.706813] ? __drm_mode_object_find+0xb8/0x210 [ 56.711555] drm_mode_obj_set_property_ioctl+0x53a/0x800 [ 56.716987] ? drm_mode_obj_find_prop_id+0x1c0/0x1c0 [ 56.722075] ? lock_downgrade+0x900/0x900 [ 56.726206] ? lock_release+0xa00/0xa00 [ 56.730165] drm_connector_property_set_ioctl+0x1a1/0x2a0 [ 56.735686] ? drm_connector_set_obj_prop+0x1a0/0x1a0 [ 56.740874] ? drm_lease_owner+0x44/0x60 [ 56.744922] ? drm_is_current_master+0x5c/0x140 [ 56.749573] drm_ioctl_kernel+0x278/0x330 [ 56.753704] ? drm_connector_set_obj_prop+0x1a0/0x1a0 [ 56.758876] ? drm_setversion+0x8b0/0x8b0 [ 56.763015] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 56.768536] ? _copy_from_user+0xdf/0x150 [ 56.772674] drm_ioctl+0x58f/0xb90 [ 56.776195] ? drm_connector_set_obj_prop+0x1a0/0x1a0 [ 56.781371] ? drm_version+0x3d0/0x3d0 [ 56.785243] ? ___might_sleep+0x1ed/0x300 [ 56.789379] ? arch_local_save_flags+0x40/0x40 [ 56.793949] ? drm_version+0x3d0/0x3d0 [ 56.797816] do_vfs_ioctl+0x1de/0x1790 [ 56.801688] ? ioctl_preallocate+0x300/0x300 [ 56.806084] ? selinux_file_mprotect+0x620/0x620 [ 56.810825] ? __sb_end_write+0xd9/0x110 [ 56.814871] ? do_syscall_64+0x9a/0x820 [ 56.818828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 56.824376] ? security_file_ioctl+0x94/0xc0 [ 56.828767] ksys_ioctl+0xa9/0xd0 [ 56.832206] __x64_sys_ioctl+0x73/0xb0 [ 56.836076] do_syscall_64+0x1b9/0x820 [ 56.839943] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 56.845298] ? syscall_return_slowpath+0x5e0/0x5e0 [ 56.850207] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.855032] ? trace_hardirqs_on_caller+0x310/0x310 [ 56.860031] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 56.865030] ? prepare_exit_to_usermode+0x291/0x3b0 [ 56.870189] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.875020] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.880194] RIP: 0033:0x444639 [ 56.883370] 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 db d4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 56.902253] RSP: 002b:00007fffe32daaa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 56.909941] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000444639 [ 56.917199] RDX: 0000000020000000 RSI: 000000004010aeab RDI: 0000000000000004 [ 56.924456] RBP: 00007fffe32daac0 R08: 0000000000000001 R09: 0000000000000100 [ 56.931708] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 56.938960] R13: ffffffffffffffff R14: 0000000000000000 R15: 0000000000000000 [ 56.946486] [ 56.948116] ================================================ [ 56.953902] WARNING: lock held when returning to user space! [ 56.959674] 4.20.0+ #175 Not tainted [ 56.963361] ------------------------------------------------ [ 56.969138] syz-executor087/8445 is leaving the kernel with locks still held! [ 56.976389] 1 lock held by syz-executor087/8445: [ 56.981118] #0: 000000000654bf87 (crtc_ww_class_acquire){+.+.}, at: set_property_atomic+0xb3/0x330