[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 80.026905][ T30] audit: type=1800 audit(1570294996.098:25): pid=11848 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 80.049895][ T30] audit: type=1800 audit(1570294996.118:26): pid=11848 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 80.082835][ T30] audit: type=1800 audit(1570294996.148:27): pid=11848 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.128' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 93.912394][ T3371] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 93.932404][ T3843] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 93.942460][ T17] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 93.952508][ T12] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 93.960235][ T5] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 93.962599][ T31] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 94.283062][ T3371] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 94.294237][ T3371] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 94.307194][ T3371] usb 1-1: New USB device found, idVendor=046d, idProduct=c294, bcdDevice= 0.40 [ 94.312742][ T3843] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 94.316337][ T3371] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 94.335386][ T3843] usb 4-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 94.341417][ T3371] usb 1-1: config 0 descriptor?? [ 94.348343][ T3843] usb 4-1: New USB device found, idVendor=046d, idProduct=c294, bcdDevice= 0.40 [ 94.348416][ T3843] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 94.371236][ T17] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 94.382424][ T17] usb 5-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 94.392905][ T12] usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 94.395378][ T17] usb 5-1: New USB device found, idVendor=046d, idProduct=c294, bcdDevice= 0.40 [ 94.406405][ T12] usb 3-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 94.415426][ T17] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 94.428270][ T12] usb 3-1: New USB device found, idVendor=046d, idProduct=c294, bcdDevice= 0.40 [ 94.445343][ T12] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 94.447014][ T3843] usb 4-1: config 0 descriptor?? [ 94.454303][ T5] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 94.459906][ T17] usb 5-1: config 0 descriptor?? [ 94.469575][ T5] usb 2-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 94.469671][ T5] usb 2-1: New USB device found, idVendor=046d, idProduct=c294, bcdDevice= 0.40 [ 94.469747][ T5] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 94.511913][ T31] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 94.523193][ T31] usb 6-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 94.523793][ T5] usb 2-1: config 0 descriptor?? [ 94.536162][ T31] usb 6-1: New USB device found, idVendor=046d, idProduct=c294, bcdDevice= 0.40 [ 94.536282][ T31] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 94.548980][ T12] usb 3-1: config 0 descriptor?? [ 94.621256][ T31] usb 6-1: config 0 descriptor?? [ 94.794959][ T3843] logitech 0003:046D:C294.0001: unknown main item tag 0x0 [ 94.802517][ T3843] logitech 0003:046D:C294.0001: unknown main item tag 0x0 [ 94.824275][ T3843] logitech 0003:046D:C294.0001: hidraw0: USB HID v0.00 Device [HID 046d:c294] on usb-dummy_hcd.3-1/input0 [ 94.835737][ T3843] logitech 0003:046D:C294.0001: not enough fields in HID_OUTPUT_REPORT 0 [ 94.844550][ T3843] logitech: probe of 0003:046D:C294.0001 failed with error -1 executing program executing program executing program [ 95.042987][ T3371] usbhid 1-1:0.0: can't add hid device: -71 [ 95.049218][ T3371] usbhid: probe of 1-1:0.0 failed with error -71 [ 95.062421][ T3371] usb 1-1: USB disconnect, device number 2 [ 95.063039][ T17] usbhid 5-1:0.0: can't add hid device: -71 [ 95.074459][ T17] usbhid: probe of 5-1:0.0 failed with error -71 [ 95.081954][T12015] usb 4-1: USB disconnect, device number 2 executing program [ 95.109027][ T17] usb 5-1: USB disconnect, device number 2 [ 95.144961][T12011] ===================================================== [ 95.151996][T12011] BUG: KMSAN: uninit-value in __pm_runtime_resume+0x116/0x190 [ 95.159468][T12011] CPU: 1 PID: 12011 Comm: syz-executor265 Not tainted 5.3.0-rc7+ #0 [ 95.167450][T12011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.167456][T12011] Call Trace: [ 95.167483][T12011] dump_stack+0x191/0x1f0 [ 95.167510][T12011] kmsan_report+0x13a/0x2b0 [ 95.167533][T12011] __msan_warning+0x73/0xe0 [ 95.167555][T12011] rpm_resume+0x3e8/0x2bb0 [ 95.167591][T12011] ? _raw_spin_lock_irqsave+0x82/0x110 [ 95.167610][T12011] __pm_runtime_resume+0x116/0x190 [ 95.167635][T12011] usb_autopm_get_interface+0x5f/0x100 [ 95.167654][T12011] usbhid_power+0xb7/0x170 [ 95.167668][T12011] ? usbhid_close+0x340/0x340 [ 95.167684][T12011] hidraw_open+0x459/0xc10 [ 95.167729][T12011] ? hidraw_ioctl+0x11a0/0x11a0 [ 95.167750][T12011] chrdev_open+0xc58/0xe00 [ 95.167773][T12011] ? cd_forget+0x320/0x320 [ 95.167789][T12011] do_dentry_open+0xda7/0x1810 [ 95.167817][T12011] vfs_open+0xaf/0xe0 [ 95.167853][T12011] path_openat+0x17f4/0x6bb0 [ 95.181224][T12011] ? kmsan_internal_set_origin+0x6a/0xb0 [ 95.204384][T12011] ? kmsan_get_shadow_origin_ptr+0x6e/0x4c0 [ 95.223961][T12011] do_filp_open+0x2b8/0x710 [ 95.246739][T12011] do_sys_open+0x642/0xa30 [ 95.251192][ T5] usbhid 2-1:0.0: can't add hid device: -71 [ 95.255283][T12011] __se_sys_open+0xad/0xc0 [ 95.255305][T12011] __x64_sys_open+0x4a/0x70 [ 95.255323][T12011] do_syscall_64+0xbc/0xf0 [ 95.255344][T12011] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 95.255373][T12011] RIP: 0033:0x401a70 [ 95.261201][ T5] usbhid: probe of 2-1:0.0 failed with error -71 [ 95.266857][T12011] Code: 01 f0 ff ff 0f 83 c0 0b 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 5d 5c 2d 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 94 0b 00 00 c3 48 83 ec 08 e8 fa 00 00 00 [ 95.266866][T12011] RSP: 002b:00007ffd4f1bc598 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 95.266880][T12011] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000401a70 [ 95.266889][T12011] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffd4f1bc5a0 [ 95.266898][T12011] RBP: 6666666666666667 R08: 000000000000000f R09: 00000000004002e0 [ 95.266906][T12011] R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000402a90 [ 95.266914][T12011] R13: 0000000000402b20 R14: 0000000000000000 R15: 0000000000000000 [ 95.266960][T12011] kmsan_internal_poison_shadow+0x53/0x100 [ 95.286143][T12011] kmsan_slab_free+0x8d/0x100 [ 95.292488][ T5] usb 2-1: USB disconnect, device number 2 [ 95.295043][T12011] kfree+0x4c1/0x2db0 [ 95.399523][T12011] usb_release_interface+0x105/0x120 [ 95.404795][T12011] device_release+0xe2/0x380 [ 95.409390][T12011] kobject_put+0x38d/0x480 [ 95.413802][T12011] put_device+0x51/0x70 [ 95.417959][T12011] usb_disable_device+0x69a/0x1150 [ 95.423052][T12011] usb_disconnect+0x51e/0xd60 [ 95.427734][T12011] hub_event+0x3fd0/0x72f0 [ 95.432155][T12011] process_one_work+0x1572/0x1ef0 [ 95.437175][T12011] worker_thread+0x111b/0x2460 [ 95.441924][T12011] kthread+0x4b5/0x4f0 [ 95.445994][T12011] ret_from_fork+0x35/0x40 [ 95.450413][T12011] ===================================================== [ 95.457320][T12011] Disabling lock debugging due to kernel taint [ 95.463465][T12011] Kernel panic - not syncing: panic_on_warn set ... [ 95.470049][T12011] CPU: 1 PID: 12011 Comm: syz-executor265 Tainted: G B 5.3.0-rc7+ #0 [ 95.472433][ T3371] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 95.479391][T12011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.479398][T12011] Call Trace: [ 95.479428][T12011] dump_stack+0x191/0x1f0 [ 95.479454][T12011] panic+0x3c9/0xc1e [ 95.479500][T12011] kmsan_report+0x2a2/0x2b0 [ 95.479540][T12011] __msan_warning+0x73/0xe0 [ 95.517478][T12011] rpm_resume+0x3e8/0x2bb0 [ 95.521913][T12011] ? _raw_spin_lock_irqsave+0x82/0x110 [ 95.522489][T12015] usb 4-1: new high-speed USB device number 3 using dummy_hcd [ 95.527382][T12011] __pm_runtime_resume+0x116/0x190 [ 95.527411][T12011] usb_autopm_get_interface+0x5f/0x100 [ 95.527432][T12011] usbhid_power+0xb7/0x170 [ 95.527449][T12011] ? usbhid_close+0x340/0x340 [ 95.527468][T12011] hidraw_open+0x459/0xc10 [ 95.527499][T12011] ? hidraw_ioctl+0x11a0/0x11a0 [ 95.527513][T12011] chrdev_open+0xc58/0xe00 [ 95.527547][T12011] ? cd_forget+0x320/0x320 [ 95.572682][T12011] do_dentry_open+0xda7/0x1810 [ 95.577469][T12011] vfs_open+0xaf/0xe0 [ 95.581452][T12011] path_openat+0x17f4/0x6bb0 [ 95.586051][T12011] ? kmsan_internal_set_origin+0x6a/0xb0 [ 95.591684][T12011] ? kmsan_get_shadow_origin_ptr+0x6e/0x4c0 [ 95.592431][ T5] dummy_hcd dummy_hcd.1: port status 0x00100503 has changes [ 95.597640][T12011] do_filp_open+0x2b8/0x710 [ 95.609437][T12011] do_sys_open+0x642/0xa30 [ 95.614893][T12011] __se_sys_open+0xad/0xc0 [ 95.619310][T12011] __x64_sys_open+0x4a/0x70 [ 95.623821][T12011] do_syscall_64+0xbc/0xf0 [ 95.628267][T12011] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 95.634170][T12011] RIP: 0033:0x401a70 [ 95.638069][T12011] Code: 01 f0 ff ff 0f 83 c0 0b 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 5d 5c 2d 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 94 0b 00 00 c3 48 83 ec 08 e8 fa 00 00 00 [ 95.642550][ T3371] dummy_hcd dummy_hcd.0: port status 0x00100503 has changes [ 95.657685][T12011] RSP: 002b:00007ffd4f1bc598 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 95.665431][T12015] dummy_hcd dummy_hcd.3: port status 0x00100503 has changes [ 95.673372][T12011] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000401a70 [ 95.682412][ T5] usb 2-1: new high-speed USB device number 3 using dummy_hcd [ 95.688584][T12011] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffd4f1bc5a0 [ 95.688594][T12011] RBP: 6666666666666667 R08: 000000000000000f R09: 00000000004002e0 [ 95.688604][T12011] R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000402a90 [ 95.688613][T12011] R13: 0000000000402b20 R14: 0000000000000000 R15: 0000000000000000 [ 95.689516][T12011] Kernel Offset: disabled [ 95.733082][T12011] Rebooting in 86400 seconds..