[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 98.084969][ T30] audit: type=1800 audit(1564848488.132:25): pid=11508 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 98.108860][ T30] audit: type=1800 audit(1564848488.152:26): pid=11508 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 98.147566][ T30] audit: type=1800 audit(1564848488.182:27): pid=11508 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 '10.128.0.157' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 110.122088][ T3822] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 110.362029][ T3822] usb 1-1: Using ep0 maxpacket: 8 [ 110.482094][ T3822] usb 1-1: config 0 has an invalid interface number: 19 but max is 0 [ 110.490246][ T3822] usb 1-1: config 0 has no interface number 0 [ 110.496547][ T3822] usb 1-1: New USB device found, idVendor=1618, idProduct=9116, bcdDevice=d9.66 [ 110.505750][ T3822] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 110.515617][ T3822] usb 1-1: config 0 descriptor?? [ 110.556151][ T3822] rsi_91x: rsi_probe: Initialized os intf ops executing program [ 110.982329][ T3822] rsi_91x: rsi_usb_reg_read: Reg read failed with error code :-71 [ 110.990330][ T3822] rsi_91x: rsi_hal_prepare_fwload: REGOUT read failed [ 110.997243][ T3822] rsi_91x: rsi_probe: Failed in device init [ 111.005022][ T3822] rsi_91x: rsi_probe: Failed in probe...Exiting [ 111.011389][ T3822] RSI-USB WLAN: probe of 1-1:0.19 failed with error -71 [ 111.022719][ T3822] usb 1-1: USB disconnect, device number 2 [ 111.381933][ T3822] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 111.621995][ T3822] usb 1-1: Using ep0 maxpacket: 8 [ 111.742208][ T3822] usb 1-1: config 0 has an invalid interface number: 19 but max is 0 [ 111.750438][ T3822] usb 1-1: config 0 has no interface number 0 [ 111.756707][ T3822] usb 1-1: New USB device found, idVendor=1618, idProduct=9116, bcdDevice=d9.66 [ 111.765873][ T3822] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 111.775580][ T3822] usb 1-1: config 0 descriptor?? [ 111.815889][ T3822] rsi_91x: rsi_probe: Initialized os intf ops executing program [ 112.252111][ T3822] rsi_91x: rsi_usb_reg_read: Reg read failed with error code :-71 [ 112.260068][ T3822] rsi_91x: rsi_hal_prepare_fwload: REGOUT read failed [ 112.267504][ T3822] rsi_91x: rsi_probe: Failed in device init [ 112.275297][ T3822] rsi_91x: rsi_probe: Failed in probe...Exiting [ 112.281614][ T3822] RSI-USB WLAN: probe of 1-1:0.19 failed with error -71 [ 112.292732][ T3822] usb 1-1: USB disconnect, device number 3 [ 112.661940][ T3822] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 112.811913][ C0] ================================================================== [ 112.820040][ C0] BUG: KMSAN: uninit-value in __run_timers+0xb99/0x11a0 [ 112.826985][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.2.0+ #15 [ 112.834065][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 112.844119][ C0] Call Trace: [ 112.847392][ C0] [ 112.850260][ C0] dump_stack+0x191/0x1f0 [ 112.854659][ C0] kmsan_report+0x162/0x2d0 [ 112.859161][ C0] ? pm_runtime_init+0x3f0/0x3f0 [ 112.864092][ C0] __msan_warning+0x75/0xe0 [ 112.868594][ C0] __run_timers+0xb99/0x11a0 [ 112.873184][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 112.879288][ C0] ? pm_runtime_init+0x3f0/0x3f0 [ 112.884239][ C0] ? kmsan_get_shadow_origin_ptr+0x71/0x470 [ 112.890156][ C0] run_timer_softirq+0x2d/0x50 [ 112.894913][ C0] ? timers_dead_cpu+0x9c0/0x9c0 [ 112.899845][ C0] __do_softirq+0x4ad/0x858 [ 112.904357][ C0] irq_exit+0x238/0x290 [ 112.908506][ C0] exiting_irq+0xe/0x10 [ 112.912653][ C0] smp_apic_timer_interrupt+0x48/0x70 [ 112.918016][ C0] apic_timer_interrupt+0x2e/0x40 [ 112.923022][ C0] [ 112.925959][ C0] RIP: 0010:default_idle+0x232/0x450 [ 112.931236][ C0] Code: 37 f3 8b 1d 40 8c df 01 48 c7 c7 f0 f5 24 90 e8 f4 42 bb f3 83 38 00 0f 85 a4 01 00 00 85 db 7e 07 0f 00 2d 30 e3 5b 00 fb f4 <65> 8b 05 47 47 bd 71 89 45 c4 8b 1d 16 9e 7f 01 48 c7 c7 f8 07 c5 [ 112.950966][ C0] RSP: 0018:ffffffff8f60fd70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 112.959385][ C0] RAX: ffff888217c395f0 RBX: 0000000000000000 RCX: ffff888000000000 [ 112.967343][ C0] RDX: ffff888207e325f0 RSI: 0000160000000000 RDI: 00000000000005f0 [ 112.975305][ C0] RBP: ffffffff8f60fdb0 R08: 000000001024f5f0 R09: 0000778000000000 [ 112.983292][ C0] R10: ffffd0ffffffffff R11: 0000000000000004 R12: ffffffff8f638b50 [ 112.991274][ C0] R13: 0000000000000000 R14: ffffffff8f6381c0 R15: ffffffff8f638b50 [ 112.999278][ C0] ? __cpuidle_text_start+0x8/0x8 [ 113.004332][ C0] ? __cpuidle_text_start+0x8/0x8 [ 113.009351][ C0] arch_cpu_idle+0x25/0x30 [ 113.013787][ C0] do_idle+0x1d7/0x790 [ 113.017863][ C0] cpu_startup_entry+0x45/0x50 [ 113.022643][ C0] rest_init+0x1be/0x1f0 [ 113.026882][ C0] arch_call_rest_init+0x13/0x15 [ 113.031817][ C0] start_kernel+0x991/0xb61 [ 113.036329][ C0] x86_64_start_reservations+0x18/0x2e [ 113.041787][ C0] x86_64_start_kernel+0x81/0x84 [ 113.046730][ C0] secondary_startup_64+0xa4/0xb0 [ 113.051748][ C0] [ 113.054155][ C0] Uninit was created at: [ 113.058398][ C0] kmsan_internal_poison_shadow+0x53/0xa0 [ 113.064133][ C0] kmsan_slab_free+0x8d/0x100 [ 113.068810][ C0] kfree+0x4b2/0x2960 [ 113.072781][ C0] skb_release_data+0xaa8/0xb50 [ 113.077636][ C0] __kfree_skb+0x8a/0x210 [ 113.081951][ C0] consume_skb+0x2b0/0x2e0 [ 113.086354][ C0] skb_free_datagram+0x52/0x180 [ 113.091194][ C0] netlink_recvmsg+0xd2d/0x18e0 [ 113.096029][ C0] sock_recvmsg+0x2df/0x2f0 [ 113.100518][ C0] ___sys_recvmsg+0x3d9/0x1140 [ 113.105295][ C0] __se_sys_recvmsg+0x2fa/0x450 [ 113.110131][ C0] __x64_sys_recvmsg+0x4a/0x70 [ 113.114884][ C0] do_syscall_64+0xbc/0xf0 [ 113.119288][ C0] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 113.125158][ C0] ================================================================== [ 113.133388][ C0] Disabling lock debugging due to kernel taint [ 113.139544][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 113.146120][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G B 5.2.0+ #15 [ 113.154357][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 113.164396][ C0] Call Trace: [ 113.167687][ C0] [ 113.170559][ C0] dump_stack+0x191/0x1f0 [ 113.174889][ C0] panic+0x3c9/0xc1e [ 113.178828][ C0] kmsan_report+0x2ca/0x2d0 [ 113.183355][ C0] ? pm_runtime_init+0x3f0/0x3f0 [ 113.188300][ C0] __msan_warning+0x75/0xe0 [ 113.192804][ C0] __run_timers+0xb99/0x11a0 [ 113.197383][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 113.203451][ C0] ? pm_runtime_init+0x3f0/0x3f0 [ 113.208388][ C0] ? kmsan_get_shadow_origin_ptr+0x71/0x470 [ 113.214285][ C0] run_timer_softirq+0x2d/0x50 [ 113.219039][ C0] ? timers_dead_cpu+0x9c0/0x9c0 [ 113.223966][ C0] __do_softirq+0x4ad/0x858 [ 113.228469][ C0] irq_exit+0x238/0x290 [ 113.232617][ C0] exiting_irq+0xe/0x10 [ 113.236763][ C0] smp_apic_timer_interrupt+0x48/0x70 [ 113.242129][ C0] apic_timer_interrupt+0x2e/0x40 [ 113.247134][ C0] [ 113.250074][ C0] RIP: 0010:default_idle+0x232/0x450 [ 113.255368][ C0] Code: 37 f3 8b 1d 40 8c df 01 48 c7 c7 f0 f5 24 90 e8 f4 42 bb f3 83 38 00 0f 85 a4 01 00 00 85 db 7e 07 0f 00 2d 30 e3 5b 00 fb f4 <65> 8b 05 47 47 bd 71 89 45 c4 8b 1d 16 9e 7f 01 48 c7 c7 f8 07 c5 [ 113.274965][ C0] RSP: 0018:ffffffff8f60fd70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 113.283371][ C0] RAX: ffff888217c395f0 RBX: 0000000000000000 RCX: ffff888000000000 [ 113.291332][ C0] RDX: ffff888207e325f0 RSI: 0000160000000000 RDI: 00000000000005f0 [ 113.299295][ C0] RBP: ffffffff8f60fdb0 R08: 000000001024f5f0 R09: 0000778000000000 [ 113.307256][ C0] R10: ffffd0ffffffffff R11: 0000000000000004 R12: ffffffff8f638b50 [ 113.315222][ C0] R13: 0000000000000000 R14: ffffffff8f6381c0 R15: ffffffff8f638b50 [ 113.323217][ C0] ? __cpuidle_text_start+0x8/0x8 [ 113.328236][ C0] ? __cpuidle_text_start+0x8/0x8 [ 113.333257][ C0] arch_cpu_idle+0x25/0x30 [ 113.337702][ C0] do_idle+0x1d7/0x790 [ 113.341806][ C0] cpu_startup_entry+0x45/0x50 [ 113.346575][ C0] rest_init+0x1be/0x1f0 [ 113.350810][ C0] arch_call_rest_init+0x13/0x15 [ 113.355737][ C0] start_kernel+0x991/0xb61 [ 113.360238][ C0] x86_64_start_reservations+0x18/0x2e [ 113.365684][ C0] x86_64_start_kernel+0x81/0x84 [ 113.370626][ C0] secondary_startup_64+0xa4/0xb0 [ 113.376588][ C0] Kernel Offset: disabled [ 113.380924][ C0] Rebooting in 86400 seconds..