[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[ 78.750375][ T31] audit: type=1800 audit(1570322162.805:25): pid=11364 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0
[ 78.774100][ T31] audit: type=1800 audit(1570322162.835:26): pid=11364 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0
[ 78.810453][ T31] audit: type=1800 audit(1570322162.855:27): pid=11364 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 '10.128.0.12' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [ 88.643605][ T5] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[ 89.003705][ T5] usb 1-1: config 0 has an invalid interface number: 175 but max is 0
[ 89.012201][ T5] usb 1-1: config 0 has an invalid descriptor of length 135, skipping remainder of the config
[ 89.022747][ T5] usb 1-1: config 0 has no interface number 0
[ 89.029028][ T5] usb 1-1: config 0 interface 175 altsetting 0 bulk endpoint 0x84 has invalid maxpacket 679
[ 89.039310][ T5] usb 1-1: config 0 interface 175 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 2
[ 89.052426][ T5] usb 1-1: New USB device found, idVendor=1618, idProduct=9113, bcdDevice=df.61
[ 89.061624][ T5] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 89.070971][ T5] usb 1-1: config 0 descriptor??
[ 89.117420][ T5] rsi_91x: rsi_probe: Initialized os intf ops
executing program
[ 89.543606][ T5] rsi_91x: rsi_usb_reg_read: Reg read failed with error code :-71
[ 89.551855][ T5] rsi_91x: rsi_hal_prepare_fwload: REGOUT read failed
[ 89.558874][ T5] rsi_91x: rsi_probe: Failed in device init
[ 89.566183][ T5] rsi_91x: rsi_probe: Failed in probe...Exiting
[ 89.572709][ T5] RSI-USB WLAN: probe of 1-1:0.175 failed with error -71
[ 89.583990][ T5] usb 1-1: USB disconnect, device number 2
[ 89.933534][ T5] usb 1-1: new high-speed USB device number 3 using dummy_hcd
[ 90.293775][ T5] usb 1-1: config 0 has an invalid interface number: 175 but max is 0
[ 90.302081][ T5] usb 1-1: config 0 has an invalid descriptor of length 135, skipping remainder of the config
[ 90.312517][ T5] usb 1-1: config 0 has no interface number 0
[ 90.318876][ T5] usb 1-1: config 0 interface 175 altsetting 0 bulk endpoint 0x84 has invalid maxpacket 679
[ 90.329470][ T5] usb 1-1: config 0 interface 175 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 2
[ 90.343023][ T5] usb 1-1: New USB device found, idVendor=1618, idProduct=9113, bcdDevice=df.61
[ 90.352216][ T5] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 90.361701][ T5] usb 1-1: config 0 descriptor??
[ 90.407007][ T5] rsi_91x: rsi_probe: Initialized os intf ops
executing program
[ 90.843643][ T5] rsi_91x: rsi_usb_reg_read: Reg read failed with error code :-71
[ 90.851820][ T5] rsi_91x: rsi_hal_prepare_fwload: REGOUT read failed
[ 90.859263][ T5] rsi_91x: rsi_probe: Failed in device init
[ 90.866645][ T5] rsi_91x: rsi_probe: Failed in probe...Exiting
[ 90.873087][ T5] RSI-USB WLAN: probe of 1-1:0.175 failed with error -71
[ 90.884094][ T5] usb 1-1: USB disconnect, device number 3
[ 91.233567][ T5] usb 1-1: new high-speed USB device number 4 using dummy_hcd
[ 91.373452][ C0] =====================================================
[ 91.380446][ C0] BUG: KMSAN: uninit-value in run_timer_softirq+0x2d/0x50
[ 91.387579][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.3.0-rc7+ #0
[ 91.394672][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 91.404853][ C0] Call Trace:
[ 91.408131][ C0]
[ 91.410996][ C0] dump_stack+0x191/0x1f0
[ 91.415334][ C0] kmsan_report+0x13a/0x2b0
[ 91.419839][ C0] __msan_warning+0x73/0xe0
[ 91.424336][ C0] __run_timers+0xb99/0x11a0
[ 91.429025][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20
[ 91.435107][ C0] ? timers_dead_cpu+0x9d0/0x9d0
[ 91.440141][ C0] ? kmsan_get_shadow_origin_ptr+0x6e/0x4c0
[ 91.446095][ C0] run_timer_softirq+0x2d/0x50
[ 91.450846][ C0] ? timers_dead_cpu+0x9d0/0x9d0
[ 91.455795][ C0] __do_softirq+0x4a1/0x83a
[ 91.460335][ C0] irq_exit+0x230/0x280
[ 91.464721][ C0] exiting_irq+0xe/0x10
[ 91.469026][ C0] smp_apic_timer_interrupt+0x48/0x70
[ 91.474439][ C0] apic_timer_interrupt+0x2e/0x40
[ 91.479552][ C0]
[ 91.482501][ C0] RIP: 0010:default_idle+0x53/0x90
[ 91.487604][ C0] 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
[ 91.507202][ C0] RSP: 0018:ffffffff8f60fda0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[ 91.516559][ C0] RAX: ffff888217c47578 RBX: ffffffff8f638b60 RCX: ccccccccccccd000
[ 91.524519][ C0] RDX: ffff888207e40578 RSI: ffffea000a76d630 RDI: 000000001025d578
[ 91.532494][ C0] RBP: ffffffff8f60fdb0 R08: 0000000000000000 R09: ffff88821f4a91c2
[ 91.540472][ C0] R10: 0000000000000004 R11: ffffffff8e535bb0 R12: 0000000000000000
[ 91.548464][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8f638b60
[ 91.556460][ C0] ? __cpuidle_text_start+0x8/0x8
[ 91.561482][ C0] ? __cpuidle_text_start+0x8/0x8
[ 91.566498][ C0] arch_cpu_idle+0x25/0x30
[ 91.570919][ C0] do_idle+0x1d7/0x790
[ 91.574989][ C0] cpu_startup_entry+0x45/0x50
[ 91.579740][ C0] rest_init+0x1be/0x1f0
[ 91.583986][ C0] arch_call_rest_init+0x13/0x15
[ 91.589025][ C0] start_kernel+0x991/0xb61
[ 91.593538][ C0] x86_64_start_reservations+0x18/0x2e
[ 91.599083][ C0] x86_64_start_kernel+0x81/0x84
[ 91.604009][ C0] secondary_startup_64+0xa4/0xb0
[ 91.609016][ C0]
[ 91.611325][ C0] Uninit was created at:
[ 91.615647][ C0] kmsan_internal_poison_shadow+0x53/0x100
[ 91.621438][ C0] kmsan_slab_free+0x8d/0x100
[ 91.626255][ C0] kfree+0x4c1/0x2db0
[ 91.630258][ C0] skb_release_data+0x7de/0x9d0
[ 91.635110][ C0] __kfree_skb+0x8a/0x210
[ 91.639454][ C0] consume_skb+0x2b0/0x2e0
[ 91.643890][ C0] skb_free_datagram+0x52/0x180
[ 91.648751][ C0] netlink_recvmsg+0xd2d/0x18e0
[ 91.653612][ C0] sock_recvmsg+0x3b3/0x3c0
[ 91.658189][ C0] ___sys_recvmsg+0x461/0x11e0
[ 91.662952][ C0] __se_sys_recvmsg+0x2fa/0x450
[ 91.668138][ C0] __x64_sys_recvmsg+0x4a/0x70
[ 91.672908][ C0] do_syscall_64+0xbc/0xf0
[ 91.677318][ C0] entry_SYSCALL_64_after_hwframe+0x63/0xe7
[ 91.683191][ C0] =====================================================
[ 91.690105][ C0] Disabling lock debugging due to kernel taint
[ 91.696691][ C0] Kernel panic - not syncing: panic_on_warn set ...
[ 91.703453][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G B 5.3.0-rc7+ #0
[ 91.712100][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 91.722469][ C0] Call Trace:
[ 91.726126][ C0]
[ 91.729004][ C0] dump_stack+0x191/0x1f0
[ 91.733367][ C0] panic+0x3c9/0xc1e
[ 91.737319][ C0] kmsan_report+0x2a2/0x2b0
[ 91.741832][ C0] __msan_warning+0x73/0xe0
[ 91.746373][ C0] __run_timers+0xb99/0x11a0
[ 91.751056][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20
[ 91.757221][ C0] ? timers_dead_cpu+0x9d0/0x9d0
[ 91.762181][ C0] ? kmsan_get_shadow_origin_ptr+0x6e/0x4c0
[ 91.768164][ C0] run_timer_softirq+0x2d/0x50
[ 91.772920][ C0] ? timers_dead_cpu+0x9d0/0x9d0
[ 91.777863][ C0] __do_softirq+0x4a1/0x83a
[ 91.782405][ C0] irq_exit+0x230/0x280
[ 91.787253][ C0] exiting_irq+0xe/0x10
[ 91.791405][ C0] smp_apic_timer_interrupt+0x48/0x70
[ 91.796773][ C0] apic_timer_interrupt+0x2e/0x40
[ 91.801782][ C0]
[ 91.804713][ C0] RIP: 0010:default_idle+0x53/0x90
[ 91.809811][ C0] 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
[ 91.829427][ C0] RSP: 0018:ffffffff8f60fda0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[ 91.837881][ C0] RAX: ffff888217c47578 RBX: ffffffff8f638b60 RCX: ccccccccccccd000
[ 91.845847][ C0] RDX: ffff888207e40578 RSI: ffffea000a76d630 RDI: 000000001025d578
[ 91.853826][ C0] RBP: ffffffff8f60fdb0 R08: 0000000000000000 R09: ffff88821f4a91c2
[ 91.861805][ C0] R10: 0000000000000004 R11: ffffffff8e535bb0 R12: 0000000000000000
[ 91.869855][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8f638b60
[ 91.877886][ C0] ? __cpuidle_text_start+0x8/0x8
[ 91.883004][ C0] ? __cpuidle_text_start+0x8/0x8
[ 91.888020][ C0] arch_cpu_idle+0x25/0x30
[ 91.892426][ C0] do_idle+0x1d7/0x790
[ 91.896574][ C0] cpu_startup_entry+0x45/0x50
[ 91.901434][ C0] rest_init+0x1be/0x1f0
[ 91.905698][ C0] arch_call_rest_init+0x13/0x15
[ 91.910629][ C0] start_kernel+0x991/0xb61
[ 91.915129][ C0] x86_64_start_reservations+0x18/0x2e
[ 91.920596][ C0] x86_64_start_kernel+0x81/0x84
[ 91.925537][ C0] secondary_startup_64+0xa4/0xb0
[ 91.932372][ C0] Kernel Offset: disabled
[ 91.936727][ C0] Rebooting in 86400 seconds..