[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[ 80.730241][ T31] audit: type=1800 audit(1570256114.778:25): pid=11856 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0
[ 80.753245][ T31] audit: type=1800 audit(1570256114.798:26): pid=11856 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0
[ 80.787280][ T31] audit: type=1800 audit(1570256114.838:27): pid=11856 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[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
Debian GNU/Linux 7 syzkaller ttyS0
Warning: Permanently added '10.128.0.110' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [ 94.443071][ T3940] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[ 94.803300][ T3940] usb 1-1: config 0 has an invalid interface number: 175 but max is 0
[ 94.811804][ T3940] usb 1-1: config 0 has an invalid descriptor of length 135, skipping remainder of the config
[ 94.822203][ T3940] usb 1-1: config 0 has no interface number 0
[ 94.828478][ T3940] usb 1-1: config 0 interface 175 altsetting 0 endpoint 0x84 has invalid maxpacket 1191, setting to 1024
[ 94.839856][ T3940] usb 1-1: config 0 interface 175 altsetting 0 bulk endpoint 0x84 has invalid maxpacket 1024
[ 94.850151][ T3940] usb 1-1: config 0 interface 175 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 2
[ 94.863583][ T3940] usb 1-1: New USB device found, idVendor=1618, idProduct=9113, bcdDevice=df.61
[ 94.872666][ T3940] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 94.882086][ T3940] usb 1-1: config 0 descriptor??
[ 94.940405][ T3940] rsi_91x: rsi_probe: Initialized os intf ops
executing program
[ 95.383167][ T3940] rsi_91x: rsi_usb_reg_read: Reg read failed with error code :-71
[ 95.391132][ T3940] rsi_91x: rsi_hal_prepare_fwload: REGOUT read failed
[ 95.398593][ T3940] rsi_91x: rsi_probe: Failed in device init
[ 95.405803][ T3940] rsi_91x: rsi_probe: Failed in probe...Exiting
[ 95.412410][ T3940] RSI-USB WLAN: probe of 1-1:0.175 failed with error -71
[ 95.423411][ T3940] usb 1-1: USB disconnect, device number 2
[ 95.773055][ T3940] usb 1-1: new high-speed USB device number 3 using dummy_hcd
[ 96.133189][ T3940] usb 1-1: config 0 has an invalid interface number: 175 but max is 0
[ 96.141550][ T3940] usb 1-1: config 0 has an invalid descriptor of length 135, skipping remainder of the config
[ 96.152159][ T3940] usb 1-1: config 0 has no interface number 0
[ 96.158415][ T3940] usb 1-1: config 0 interface 175 altsetting 0 endpoint 0x84 has invalid maxpacket 1191, setting to 1024
[ 96.169953][ T3940] usb 1-1: config 0 interface 175 altsetting 0 bulk endpoint 0x84 has invalid maxpacket 1024
[ 96.180259][ T3940] usb 1-1: config 0 interface 175 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 2
[ 96.193365][ T3940] usb 1-1: New USB device found, idVendor=1618, idProduct=9113, bcdDevice=df.61
[ 96.202543][ T3940] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 96.212019][ T3940] usb 1-1: config 0 descriptor??
[ 96.260360][ T3940] rsi_91x: rsi_probe: Initialized os intf ops
executing program
[ 96.683153][ T3940] rsi_91x: rsi_usb_reg_read: Reg read failed with error code :-71
[ 96.691047][ T3940] rsi_91x: rsi_hal_prepare_fwload: REGOUT read failed
[ 96.698318][ T3940] rsi_91x: rsi_probe: Failed in device init
[ 96.705525][ T3940] rsi_91x: rsi_probe: Failed in probe...Exiting
[ 96.711996][ T3940] RSI-USB WLAN: probe of 1-1:0.175 failed with error -71
[ 96.723107][ T3940] usb 1-1: USB disconnect, device number 3
[ 97.083082][ T3940] usb 1-1: new high-speed USB device number 4 using dummy_hcd
[ 97.222938][ C1] =====================================================
[ 97.229949][ C1] BUG: KMSAN: uninit-value in run_timer_softirq+0x2d/0x50
[ 97.237039][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.3.0-rc7+ #0
[ 97.244258][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 97.254306][ C1] Call Trace:
[ 97.257582][ C1]
[ 97.260420][ C1] dump_stack+0x191/0x1f0
[ 97.264744][ C1] kmsan_report+0x13a/0x2b0
[ 97.269233][ C1] __msan_warning+0x73/0xe0
[ 97.273737][ C1] __run_timers+0xb99/0x11a0
[ 97.278303][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20
[ 97.284353][ C1] ? timers_dead_cpu+0x9d0/0x9d0
[ 97.289266][ C1] ? kmsan_get_shadow_origin_ptr+0x6e/0x4c0
[ 97.295137][ C1] run_timer_softirq+0x2d/0x50
[ 97.299878][ C1] ? timers_dead_cpu+0x9d0/0x9d0
[ 97.304796][ C1] __do_softirq+0x4a1/0x83a
[ 97.310179][ C1] irq_exit+0x230/0x280
[ 97.314325][ C1] exiting_irq+0xe/0x10
[ 97.318464][ C1] smp_apic_timer_interrupt+0x48/0x70
[ 97.323820][ C1] apic_timer_interrupt+0x2e/0x40
[ 97.328827][ C1]
[ 97.331753][ C1] RIP: 0010:default_idle+0x53/0x90
[ 97.336845][ C1] Code: 13 ee eb f2 44 8b 35 94 79 d2 01 48 c7 c7 78 d5 25 90 e8 c0 9b b1 f3 83 38 00 75 31 45 85 f6 7e 07 0f 00 2d 8f f3 4d 00 fb f4 <65> 8b 35 2e 57 af 71 c7 03 00 00 00 00 c7 43 08 00 00 00 00 bf ff
[ 97.356611][ C1] RSP: 0018:ffff8881280dfe10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[ 97.365003][ C1] RAX: ffff888217c47578 RBX: ffff88812d7f89a0 RCX: ccccccccccccd000
[ 97.372960][ C1] RDX: ffff888207e40578 RSI: ffffea000a76d630 RDI: 000000001025d578
[ 97.380921][ C1] RBP: ffff8881280dfe20 R08: 0000000000000000 R09: ffff8881280c0002
[ 97.388873][ C1] R10: 0000000000000004 R11: ffffffff8e535bb0 R12: 0000000000000001
[ 97.396825][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88812d7f89a0
[ 97.404785][ C1] ? __cpuidle_text_start+0x8/0x8
[ 97.409795][ C1] ? __cpuidle_text_start+0x8/0x8
[ 97.415044][ C1] arch_cpu_idle+0x25/0x30
[ 97.425267][ C1] do_idle+0x1d7/0x790
[ 97.429325][ C1] cpu_startup_entry+0x45/0x50
[ 97.434070][ C1] ? setup_APIC_timer+0x210/0x210
[ 97.439077][ C1] start_secondary+0x370/0x470
[ 97.443842][ C1] secondary_startup_64+0xa4/0xb0
[ 97.448864][ C1]
[ 97.451168][ C1] Uninit was created at:
[ 97.455397][ C1] kmsan_internal_poison_shadow+0x53/0x100
[ 97.461185][ C1] kmsan_slab_free+0x8d/0x100
[ 97.465849][ C1] kfree+0x4c1/0x2db0
[ 97.469804][ C1] skb_release_data+0x7de/0x9d0
[ 97.474629][ C1] __kfree_skb+0x8a/0x210
[ 97.478933][ C1] consume_skb+0x2b0/0x2e0
[ 97.483339][ C1] skb_free_datagram+0x52/0x180
[ 97.488167][ C1] netlink_recvmsg+0xd2d/0x18e0
[ 97.492991][ C1] sock_recvmsg+0x3b3/0x3c0
[ 97.497470][ C1] ___sys_recvmsg+0x461/0x11e0
[ 97.502209][ C1] __se_sys_recvmsg+0x2fa/0x450
[ 97.507033][ C1] __x64_sys_recvmsg+0x4a/0x70
[ 97.511774][ C1] do_syscall_64+0xbc/0xf0
[ 97.516168][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xe7
[ 97.522041][ C1] =====================================================
[ 97.530595][ C1] Disabling lock debugging due to kernel taint
[ 97.536720][ C1] Kernel panic - not syncing: panic_on_warn set ...
[ 97.543284][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G B 5.3.0-rc7+ #0
[ 97.551759][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 97.561820][ C1] Call Trace:
[ 97.565085][ C1]
[ 97.567920][ C1] dump_stack+0x191/0x1f0
[ 97.572249][ C1] panic+0x3c9/0xc1e
[ 97.576153][ C1] kmsan_report+0x2a2/0x2b0
[ 97.580725][ C1] __msan_warning+0x73/0xe0
[ 97.585230][ C1] __run_timers+0xb99/0x11a0
[ 97.589803][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20
[ 97.595869][ C1] ? timers_dead_cpu+0x9d0/0x9d0
[ 97.600792][ C1] ? kmsan_get_shadow_origin_ptr+0x6e/0x4c0
[ 97.606665][ C1] run_timer_softirq+0x2d/0x50
[ 97.611420][ C1] ? timers_dead_cpu+0x9d0/0x9d0
[ 97.616336][ C1] __do_softirq+0x4a1/0x83a
[ 97.620830][ C1] irq_exit+0x230/0x280
[ 97.624973][ C1] exiting_irq+0xe/0x10
[ 97.629365][ C1] smp_apic_timer_interrupt+0x48/0x70
[ 97.634716][ C1] apic_timer_interrupt+0x2e/0x40
[ 97.639710][ C1]
[ 97.642628][ C1] RIP: 0010:default_idle+0x53/0x90
[ 97.647714][ C1] Code: 13 ee eb f2 44 8b 35 94 79 d2 01 48 c7 c7 78 d5 25 90 e8 c0 9b b1 f3 83 38 00 75 31 45 85 f6 7e 07 0f 00 2d 8f f3 4d 00 fb f4 <65> 8b 35 2e 57 af 71 c7 03 00 00 00 00 c7 43 08 00 00 00 00 bf ff
[ 97.667304][ C1] RSP: 0018:ffff8881280dfe10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[ 97.675703][ C1] RAX: ffff888217c47578 RBX: ffff88812d7f89a0 RCX: ccccccccccccd000
[ 97.683661][ C1] RDX: ffff888207e40578 RSI: ffffea000a76d630 RDI: 000000001025d578
[ 97.691620][ C1] RBP: ffff8881280dfe20 R08: 0000000000000000 R09: ffff8881280c0002
[ 97.699567][ C1] R10: 0000000000000004 R11: ffffffff8e535bb0 R12: 0000000000000001
[ 97.707513][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88812d7f89a0
[ 97.715472][ C1] ? __cpuidle_text_start+0x8/0x8
[ 97.720484][ C1] ? __cpuidle_text_start+0x8/0x8
[ 97.725496][ C1] arch_cpu_idle+0x25/0x30
[ 97.729900][ C1] do_idle+0x1d7/0x790
[ 97.734122][ C1] cpu_startup_entry+0x45/0x50
[ 97.738862][ C1] ? setup_APIC_timer+0x210/0x210
[ 97.743865][ C1] start_secondary+0x370/0x470
[ 97.748609][ C1] secondary_startup_64+0xa4/0xb0
[ 97.755244][ C1] Kernel Offset: disabled
[ 97.759568][ C1] Rebooting in 86400 seconds..