[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[ 73.818650][ T32] audit: type=1800 audit(1569758823.868:25): pid=11107 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0
[ 73.841579][ T32] audit: type=1800 audit(1569758823.888:26): pid=11107 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0
[ 73.875761][ T32] audit: type=1800 audit(1569758823.918:27): pid=11107 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 '10.128.1.51' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [ 85.061993][ T2943] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[ 85.301882][ T2943] usb 1-1: Using ep0 maxpacket: 8
[ 85.422004][ T2943] usb 1-1: config 0 has an invalid interface number: 235 but max is 0
[ 85.430255][ T2943] usb 1-1: config 0 descriptor has 1 excess byte, ignoring
[ 85.437607][ T2943] usb 1-1: config 0 has no interface number 0
[ 85.443797][ T2943] usb 1-1: config 0 interface 235 altsetting 0 has 0 endpoint descriptors, different from the interface descriptor's value: 1
[ 85.457053][ T2943] usb 1-1: New USB device found, idVendor=1618, idProduct=9113, bcdDevice=19.d3
[ 85.466168][ T2943] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 85.476117][ T2943] usb 1-1: config 0 descriptor??
[ 85.515288][ T2943] rsi_91x: rsi_probe: Initialized os intf ops
executing program
[ 85.951966][ T2943] rsi_91x: rsi_usb_reg_read: Reg read failed with error code :-71
[ 85.959832][ T2943] rsi_91x: rsi_hal_prepare_fwload: REGOUT read failed
[ 85.967215][ T2943] rsi_91x: rsi_probe: Failed in device init
[ 85.974582][ T2943] rsi_91x: rsi_probe: Failed in probe...Exiting
[ 85.980898][ T2943] RSI-USB WLAN: probe of 1-1:0.235 failed with error -71
[ 85.991470][ T2943] usb 1-1: USB disconnect, device number 2
[ 86.351924][ T2943] usb 1-1: new high-speed USB device number 3 using dummy_hcd
[ 86.591829][ T2943] usb 1-1: Using ep0 maxpacket: 8
[ 86.711934][ T2943] usb 1-1: config 0 has an invalid interface number: 235 but max is 0
[ 86.720244][ T2943] usb 1-1: config 0 descriptor has 1 excess byte, ignoring
[ 86.727661][ T2943] usb 1-1: config 0 has no interface number 0
[ 86.733897][ T2943] usb 1-1: config 0 interface 235 altsetting 0 has 0 endpoint descriptors, different from the interface descriptor's value: 1
[ 86.747113][ T2943] usb 1-1: New USB device found, idVendor=1618, idProduct=9113, bcdDevice=19.d3
[ 86.756295][ T2943] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 86.765594][ T2943] usb 1-1: config 0 descriptor??
[ 86.805066][ T2943] rsi_91x: rsi_probe: Initialized os intf ops
executing program
[ 87.241913][ T2943] rsi_91x: rsi_usb_reg_read: Reg read failed with error code :-71
[ 87.249946][ T2943] rsi_91x: rsi_hal_prepare_fwload: REGOUT read failed
[ 87.256908][ T2943] rsi_91x: rsi_probe: Failed in device init
[ 87.264107][ T2943] rsi_91x: rsi_probe: Failed in probe...Exiting
[ 87.270449][ T2943] RSI-USB WLAN: probe of 1-1:0.235 failed with error -71
[ 87.281088][ T2943] usb 1-1: USB disconnect, device number 3
[ 87.631827][ T2943] usb 1-1: new high-speed USB device number 4 using dummy_hcd
[ 87.781735][ C0] =====================================================
[ 87.788767][ C0] BUG: KMSAN: uninit-value in run_timer_softirq+0x2d/0x50
[ 87.795897][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.3.0-rc7+ #0
[ 87.803070][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 87.813121][ C0] Call Trace:
[ 87.816389][ C0]
[ 87.819254][ C0] dump_stack+0x191/0x1f0
[ 87.823603][ C0] kmsan_report+0x13a/0x2b0
[ 87.828120][ C0] __msan_warning+0x73/0xe0
[ 87.832632][ C0] __run_timers+0xb99/0x11a0
[ 87.837229][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20
[ 87.843294][ C0] ? timers_dead_cpu+0x9d0/0x9d0
[ 87.848219][ C0] ? kmsan_get_shadow_origin_ptr+0x6e/0x4c0
[ 87.854104][ C0] run_timer_softirq+0x2d/0x50
[ 87.858850][ C0] ? timers_dead_cpu+0x9d0/0x9d0
[ 87.863769][ C0] __do_softirq+0x4a1/0x83a
[ 87.868264][ C0] irq_exit+0x230/0x280
[ 87.872414][ C0] exiting_irq+0xe/0x10
[ 87.876579][ C0] smp_apic_timer_interrupt+0x48/0x70
[ 87.881951][ C0] apic_timer_interrupt+0x2e/0x40
[ 87.886967][ C0]
[ 87.889899][ C0] RIP: 0010:default_idle+0x53/0x90
[ 87.895004][ C0] Code: 13 ee eb f2 44 8b 35 94 79 d2 01 48 c7 c7 78 d5 25 90 e8 d0 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
[ 87.914621][ C0] RSP: 0018:ffffffff8f60fda0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[ 87.923018][ C0] RAX: ffff888217c47578 RBX: ffffffff8f638b60 RCX: ccccccccccccd000
[ 87.930991][ C0] RDX: ffff888207e40578 RSI: ffffea000a76d630 RDI: 000000001025d578
[ 87.938962][ C0] RBP: ffffffff8f60fdb0 R08: 0000000000000000 R09: ffff88821f4a91c2
[ 87.946933][ C0] R10: 0000000000000004 R11: ffffffff8e535bb0 R12: 0000000000000000
[ 87.954886][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8f638b60
[ 87.962859][ C0] ? __cpuidle_text_start+0x8/0x8
[ 87.967888][ C0] ? __cpuidle_text_start+0x8/0x8
[ 87.972896][ C0] arch_cpu_idle+0x25/0x30
[ 87.977295][ C0] do_idle+0x1d7/0x790
[ 87.981351][ C0] cpu_startup_entry+0x45/0x50
[ 87.986095][ C0] rest_init+0x1be/0x1f0
[ 87.990323][ C0] arch_call_rest_init+0x13/0x15
[ 87.995242][ C0] start_kernel+0x991/0xb61
[ 87.999733][ C0] x86_64_start_reservations+0x18/0x2e
[ 88.005177][ C0] x86_64_start_kernel+0x81/0x84
[ 88.010096][ C0] secondary_startup_64+0xa4/0xb0
[ 88.015107][ C0]
[ 88.017413][ C0] Uninit was created at:
[ 88.021647][ C0] kmsan_internal_poison_shadow+0x53/0x100
[ 88.027470][ C0] kmsan_slab_free+0x8d/0x100
[ 88.032147][ C0] kfree+0x4c1/0x2db0
[ 88.036161][ C0] skb_release_data+0x7de/0x9d0
[ 88.040988][ C0] __kfree_skb+0x8a/0x210
[ 88.045295][ C0] consume_skb+0x2b0/0x2e0
[ 88.049691][ C0] skb_free_datagram+0x52/0x180
[ 88.054521][ C0] netlink_recvmsg+0xd2d/0x18e0
[ 88.059349][ C0] sock_recvmsg+0x3b3/0x3c0
[ 88.063924][ C0] ___sys_recvmsg+0x461/0x11e0
[ 88.068704][ C0] __se_sys_recvmsg+0x2fa/0x450
[ 88.073546][ C0] __x64_sys_recvmsg+0x4a/0x70
[ 88.078294][ C0] do_syscall_64+0xbc/0xf0
[ 88.082694][ C0] entry_SYSCALL_64_after_hwframe+0x63/0xe7
[ 88.088560][ C0] =====================================================
[ 88.095518][ C0] Disabling lock debugging due to kernel taint
[ 88.101658][ C0] Kernel panic - not syncing: panic_on_warn set ...
[ 88.108240][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G B 5.3.0-rc7+ #0
[ 88.116712][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 88.126745][ C0] Call Trace:
[ 88.130013][ C0]
[ 88.132855][ C0] dump_stack+0x191/0x1f0
[ 88.137171][ C0] panic+0x3c9/0xc1e
[ 88.141077][ C0] kmsan_report+0x2a2/0x2b0
[ 88.145564][ C0] __msan_warning+0x73/0xe0
[ 88.150047][ C0] __run_timers+0xb99/0x11a0
[ 88.154619][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20
[ 88.160685][ C0] ? timers_dead_cpu+0x9d0/0x9d0
[ 88.165611][ C0] ? kmsan_get_shadow_origin_ptr+0x6e/0x4c0
[ 88.171485][ C0] run_timer_softirq+0x2d/0x50
[ 88.176228][ C0] ? timers_dead_cpu+0x9d0/0x9d0
[ 88.181147][ C0] __do_softirq+0x4a1/0x83a
[ 88.185652][ C0] irq_exit+0x230/0x280
[ 88.189791][ C0] exiting_irq+0xe/0x10
[ 88.193943][ C0] smp_apic_timer_interrupt+0x48/0x70
[ 88.199306][ C0] apic_timer_interrupt+0x2e/0x40
[ 88.204323][ C0]
[ 88.207246][ C0] RIP: 0010:default_idle+0x53/0x90
[ 88.212338][ C0] Code: 13 ee eb f2 44 8b 35 94 79 d2 01 48 c7 c7 78 d5 25 90 e8 d0 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
[ 88.231950][ C0] RSP: 0018:ffffffff8f60fda0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[ 88.240356][ C0] RAX: ffff888217c47578 RBX: ffffffff8f638b60 RCX: ccccccccccccd000
[ 88.248310][ C0] RDX: ffff888207e40578 RSI: ffffea000a76d630 RDI: 000000001025d578
[ 88.256265][ C0] RBP: ffffffff8f60fdb0 R08: 0000000000000000 R09: ffff88821f4a91c2
[ 88.264229][ C0] R10: 0000000000000004 R11: ffffffff8e535bb0 R12: 0000000000000000
[ 88.272192][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8f638b60
[ 88.280179][ C0] ? __cpuidle_text_start+0x8/0x8
[ 88.285191][ C0] ? __cpuidle_text_start+0x8/0x8
[ 88.290208][ C0] arch_cpu_idle+0x25/0x30
[ 88.294620][ C0] do_idle+0x1d7/0x790
[ 88.298700][ C0] cpu_startup_entry+0x45/0x50
[ 88.303453][ C0] rest_init+0x1be/0x1f0
[ 88.307693][ C0] arch_call_rest_init+0x13/0x15
[ 88.312614][ C0] start_kernel+0x991/0xb61
[ 88.317106][ C0] x86_64_start_reservations+0x18/0x2e
[ 88.322572][ C0] x86_64_start_kernel+0x81/0x84
[ 88.327508][ C0] secondary_startup_64+0xa4/0xb0
[ 88.333788][ C0] Kernel Offset: disabled
[ 88.338124][ C0] Rebooting in 86400 seconds..