[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 103.820454][ T30] audit: type=1800 audit(1564920479.876:25): pid=12680 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 103.844585][ T30] audit: type=1800 audit(1564920479.906:26): pid=12680 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 103.882352][ T30] audit: type=1800 audit(1564920479.926:27): pid=12680 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 '10.128.15.209' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 117.402109][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 117.762384][ T12] usb 1-1: config 0 has an invalid interface number: 175 but max is 0 [ 117.770873][ T12] usb 1-1: config 0 has no interface number 0 [ 117.777150][ T12] usb 1-1: New USB device found, idVendor=1618, idProduct=9113, bcdDevice=df.61 [ 117.786281][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 117.796167][ T12] usb 1-1: config 0 descriptor?? [ 117.836343][ T12] rsi_91x: rsi_probe: Initialized os intf ops executing program [ 118.262416][ T12] rsi_91x: rsi_usb_reg_read: Reg read failed with error code :-71 [ 118.270505][ T12] rsi_91x: rsi_hal_prepare_fwload: REGOUT read failed [ 118.277720][ T12] rsi_91x: rsi_probe: Failed in device init [ 118.285420][ T12] rsi_91x: rsi_probe: Failed in probe...Exiting [ 118.291936][ T12] RSI-USB WLAN: probe of 1-1:0.175 failed with error -71 [ 118.303619][ T12] usb 1-1: USB disconnect, device number 2 [ 118.662113][ T12] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 119.022265][ T12] usb 1-1: config 0 has an invalid interface number: 175 but max is 0 [ 119.030503][ T12] usb 1-1: config 0 has no interface number 0 [ 119.036795][ T12] usb 1-1: New USB device found, idVendor=1618, idProduct=9113, bcdDevice=df.61 [ 119.046322][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 119.056221][ T12] usb 1-1: config 0 descriptor?? [ 119.096056][ T12] rsi_91x: rsi_probe: Initialized os intf ops executing program [ 119.522332][ T12] rsi_91x: rsi_usb_reg_read: Reg read failed with error code :-71 [ 119.531375][ T12] rsi_91x: rsi_hal_prepare_fwload: REGOUT read failed [ 119.538688][ T12] rsi_91x: rsi_probe: Failed in device init [ 119.547100][ T12] rsi_91x: rsi_probe: Failed in probe...Exiting [ 119.554385][ T12] RSI-USB WLAN: probe of 1-1:0.175 failed with error -71 [ 119.566268][ T12] usb 1-1: USB disconnect, device number 3 [ 119.922106][ T12] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 120.092013][ C0] ================================================================== [ 120.100129][ C0] BUG: KMSAN: uninit-value in __run_timers+0xb99/0x11a0 [ 120.107054][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.2.0+ #15 [ 120.113880][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 120.123916][ C0] Call Trace: [ 120.127188][ C0] [ 120.130039][ C0] dump_stack+0x191/0x1f0 [ 120.134364][ C0] kmsan_report+0x162/0x2d0 [ 120.138884][ C0] __msan_warning+0x75/0xe0 [ 120.143386][ C0] __run_timers+0xb99/0x11a0 [ 120.147962][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 120.154060][ C0] ? kmsan_get_shadow_origin_ptr+0x71/0x470 [ 120.159963][ C0] run_timer_softirq+0x2d/0x50 [ 120.164716][ C0] ? timers_dead_cpu+0x9c0/0x9c0 [ 120.169739][ C0] __do_softirq+0x4ad/0x858 [ 120.174261][ C0] irq_exit+0x238/0x290 [ 120.178435][ C0] exiting_irq+0xe/0x10 [ 120.182580][ C0] smp_apic_timer_interrupt+0x48/0x70 [ 120.187941][ C0] apic_timer_interrupt+0x2e/0x40 [ 120.192947][ C0] [ 120.195877][ C0] RIP: 0010:default_idle+0x232/0x450 [ 120.201145][ 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 [ 120.220749][ C0] RSP: 0018:ffffffff8f60fd70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 120.229147][ C0] RAX: ffff888217c395f0 RBX: 0000000000000000 RCX: ffff888000000000 [ 120.237375][ C0] RDX: ffff888207e325f0 RSI: 0000160000000000 RDI: 00000000000005f0 [ 120.245506][ C0] RBP: ffffffff8f60fdb0 R08: 000000001024f5f0 R09: 0000778000000000 [ 120.253462][ C0] R10: ffffd0ffffffffff R11: 0000000000000004 R12: ffffffff8f638b50 [ 120.261525][ C0] R13: 0000000000000000 R14: ffffffff8f6381c0 R15: ffffffff8f638b50 [ 120.269604][ C0] ? __cpuidle_text_start+0x8/0x8 [ 120.274614][ C0] ? __cpuidle_text_start+0x8/0x8 [ 120.279630][ C0] arch_cpu_idle+0x25/0x30 [ 120.284041][ C0] do_idle+0x1d7/0x790 [ 120.288109][ C0] cpu_startup_entry+0x45/0x50 [ 120.292863][ C0] rest_init+0x1be/0x1f0 [ 120.297100][ C0] arch_call_rest_init+0x13/0x15 [ 120.302040][ C0] start_kernel+0x991/0xb61 [ 120.306632][ C0] x86_64_start_reservations+0x18/0x2e [ 120.312076][ C0] x86_64_start_kernel+0x81/0x84 [ 120.317000][ C0] secondary_startup_64+0xa4/0xb0 [ 120.322032][ C0] [ 120.324358][ C0] Uninit was created at: [ 120.328605][ C0] kmsan_internal_poison_shadow+0x53/0xa0 [ 120.334328][ C0] kmsan_slab_free+0x8d/0x100 [ 120.338996][ C0] kfree+0x4b2/0x2960 [ 120.342966][ C0] skb_release_data+0xaa8/0xb50 [ 120.347802][ C0] __kfree_skb+0x8a/0x210 [ 120.352119][ C0] consume_skb+0x2b0/0x2e0 [ 120.356549][ C0] skb_free_datagram+0x52/0x180 [ 120.361424][ C0] netlink_recvmsg+0xd2d/0x18e0 [ 120.366283][ C0] sock_recvmsg+0x2df/0x2f0 [ 120.370784][ C0] ___sys_recvmsg+0x3d9/0x1140 [ 120.375535][ C0] __se_sys_recvmsg+0x2fa/0x450 [ 120.380371][ C0] __x64_sys_recvmsg+0x4a/0x70 [ 120.385122][ C0] do_syscall_64+0xbc/0xf0 [ 120.389523][ C0] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 120.395393][ C0] ================================================================== [ 120.403435][ C0] Disabling lock debugging due to kernel taint [ 120.409566][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 120.416158][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G B 5.2.0+ #15 [ 120.424376][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 120.434416][ C0] Call Trace: [ 120.437694][ C0] [ 120.440540][ C0] dump_stack+0x191/0x1f0 [ 120.444865][ C0] panic+0x3c9/0xc1e [ 120.448797][ C0] kmsan_report+0x2ca/0x2d0 [ 120.453321][ C0] __msan_warning+0x75/0xe0 [ 120.457848][ C0] __run_timers+0xb99/0x11a0 [ 120.462427][ C0] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 120.468523][ C0] ? kmsan_get_shadow_origin_ptr+0x71/0x470 [ 120.474441][ C0] run_timer_softirq+0x2d/0x50 [ 120.479195][ C0] ? timers_dead_cpu+0x9c0/0x9c0 [ 120.484125][ C0] __do_softirq+0x4ad/0x858 [ 120.488630][ C0] irq_exit+0x238/0x290 [ 120.492779][ C0] exiting_irq+0xe/0x10 [ 120.496924][ C0] smp_apic_timer_interrupt+0x48/0x70 [ 120.502283][ C0] apic_timer_interrupt+0x2e/0x40 [ 120.507328][ C0] [ 120.510263][ C0] RIP: 0010:default_idle+0x232/0x450 [ 120.515532][ 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 [ 120.536317][ C0] RSP: 0018:ffffffff8f60fd70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 120.544733][ C0] RAX: ffff888217c395f0 RBX: 0000000000000000 RCX: ffff888000000000 [ 120.552695][ C0] RDX: ffff888207e325f0 RSI: 0000160000000000 RDI: 00000000000005f0 [ 120.560654][ C0] RBP: ffffffff8f60fdb0 R08: 000000001024f5f0 R09: 0000778000000000 [ 120.568618][ C0] R10: ffffd0ffffffffff R11: 0000000000000004 R12: ffffffff8f638b50 [ 120.576584][ C0] R13: 0000000000000000 R14: ffffffff8f6381c0 R15: ffffffff8f638b50 [ 120.584576][ C0] ? __cpuidle_text_start+0x8/0x8 [ 120.589601][ C0] ? __cpuidle_text_start+0x8/0x8 [ 120.594626][ C0] arch_cpu_idle+0x25/0x30 [ 120.599048][ C0] do_idle+0x1d7/0x790 [ 120.603134][ C0] cpu_startup_entry+0x45/0x50 [ 120.607907][ C0] rest_init+0x1be/0x1f0 [ 120.612157][ C0] arch_call_rest_init+0x13/0x15 [ 120.617096][ C0] start_kernel+0x991/0xb61 [ 120.621596][ C0] x86_64_start_reservations+0x18/0x2e [ 120.627044][ C0] x86_64_start_kernel+0x81/0x84 [ 120.631979][ C0] secondary_startup_64+0xa4/0xb0 [ 120.638100][ C0] Kernel Offset: disabled [ 120.642433][ C0] Rebooting in 86400 seconds..