[ 101.051852][ T30] audit: type=1800 audit(1564576119.098:26): pid=11911 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 101.103026][ T30] audit: type=1800 audit(1564576119.128:27): pid=11911 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. [ 102.354105][T11979] sshd (11979) used greatest stack depth: 54352 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 102.949819][T11911] startpar (11911) used greatest stack depth: 53640 bytes left Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 107.716314][T12048] sshd (12048) used greatest stack depth: 53608 bytes left Warning: Permanently added '10.128.0.126' (ECDSA) to the list of known hosts. executing program [ 115.561789][ T4016] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 115.801846][ T4016] usb 1-1: Using ep0 maxpacket: 8 [ 115.921993][ T4016] usb 1-1: config 0 has an invalid interface number: 222 but max is 0 [ 115.930269][ T4016] usb 1-1: config 0 has no interface number 0 [ 115.936588][ T4016] usb 1-1: New USB device found, idVendor=1618, idProduct=9113, bcdDevice=92.4c [ 115.945814][ T4016] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 115.955496][ T4016] usb 1-1: config 0 descriptor?? [ 115.996557][ T4016] rsi_91x: rsi_probe: Initialized os intf ops executing program [ 116.421911][ T4016] rsi_91x: rsi_usb_reg_read: Reg read failed with error code :-71 [ 116.430582][ T4016] rsi_91x: rsi_hal_prepare_fwload: REGOUT read failed [ 116.438169][ T4016] rsi_91x: rsi_probe: Failed in device init [ 116.445703][ T4016] rsi_91x: rsi_probe: Failed in probe...Exiting [ 116.452163][ T4016] RSI-USB WLAN: probe of 1-1:0.222 failed with error -71 [ 116.468720][ T4016] usb 1-1: USB disconnect, device number 2 [ 116.821822][ T4016] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 117.061852][ T4016] usb 1-1: Using ep0 maxpacket: 8 [ 117.182083][ T4016] usb 1-1: config 0 has an invalid interface number: 222 but max is 0 [ 117.190318][ T4016] usb 1-1: config 0 has no interface number 0 [ 117.196631][ T4016] usb 1-1: New USB device found, idVendor=1618, idProduct=9113, bcdDevice=92.4c [ 117.205808][ T4016] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 117.215417][ T4016] usb 1-1: config 0 descriptor?? [ 117.256697][ T4016] rsi_91x: rsi_probe: Initialized os intf ops executing program [ 117.691940][ T4016] rsi_91x: rsi_usb_reg_read: Reg read failed with error code :-71 [ 117.699841][ T4016] rsi_91x: rsi_hal_prepare_fwload: REGOUT read failed [ 117.706841][ T4016] rsi_91x: rsi_probe: Failed in device init [ 117.714714][ T4016] rsi_91x: rsi_probe: Failed in probe...Exiting [ 117.721254][ T4016] RSI-USB WLAN: probe of 1-1:0.222 failed with error -71 [ 117.732607][ T4016] usb 1-1: USB disconnect, device number 3 [ 118.091892][ T4016] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 118.251730][ C1] ================================================================== [ 118.259861][ C1] BUG: KMSAN: uninit-value in __run_timers+0xb99/0x11a0 [ 118.266802][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.2.0+ #15 [ 118.273695][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 118.283754][ C1] Call Trace: [ 118.287060][ C1] [ 118.289932][ C1] dump_stack+0x191/0x1f0 [ 118.294267][ C1] kmsan_report+0x162/0x2d0 [ 118.298775][ C1] __msan_warning+0x75/0xe0 [ 118.303278][ C1] __run_timers+0xb99/0x11a0 [ 118.307869][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 118.313958][ C1] ? kmsan_get_shadow_origin_ptr+0x71/0x470 [ 118.319852][ C1] run_timer_softirq+0x2d/0x50 [ 118.324635][ C1] ? timers_dead_cpu+0x9c0/0x9c0 [ 118.329588][ C1] __do_softirq+0x4ad/0x858 [ 118.334106][ C1] irq_exit+0x238/0x290 [ 118.338263][ C1] exiting_irq+0xe/0x10 [ 118.342413][ C1] smp_apic_timer_interrupt+0x48/0x70 [ 118.347799][ C1] apic_timer_interrupt+0x2e/0x40 [ 118.352825][ C1] [ 118.355772][ C1] RIP: 0010:default_idle+0x232/0x450 [ 118.361064][ C1] 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 [ 118.380680][ C1] RSP: 0018:ffff8881280bfde0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 118.389102][ C1] RAX: ffff888217c395f0 RBX: 0000000000000000 RCX: ffff888000000000 [ 118.397117][ C1] RDX: ffff888207e325f0 RSI: 0000160000000000 RDI: 00000000000005f0 [ 118.405110][ C1] RBP: ffff8881280bfe20 R08: 000000001024f5f0 R09: 0000778000000000 [ 118.413109][ C1] R10: ffffd0ffffffffff R11: 0000000000000004 R12: ffff88812d7d8990 [ 118.421083][ C1] R13: 0000000000000000 R14: ffff88812d7d8000 R15: ffff88812d7d8990 [ 118.429091][ C1] ? __cpuidle_text_start+0x8/0x8 [ 118.434125][ C1] ? __cpuidle_text_start+0x8/0x8 [ 118.439183][ C1] arch_cpu_idle+0x25/0x30 [ 118.443598][ C1] do_idle+0x1d7/0x790 [ 118.447691][ C1] cpu_startup_entry+0x45/0x50 [ 118.452471][ C1] ? setup_APIC_timer+0x210/0x210 [ 118.457539][ C1] start_secondary+0x3c0/0x4d0 [ 118.462309][ C1] secondary_startup_64+0xa4/0xb0 [ 118.468001][ C1] [ 118.470315][ C1] Uninit was created at: [ 118.474551][ C1] kmsan_internal_poison_shadow+0x53/0xa0 [ 118.480276][ C1] kmsan_slab_alloc+0xaa/0x120 [ 118.485277][ C1] __kmalloc_node_track_caller+0xc8f/0xf10 [ 118.491103][ C1] __alloc_skb+0x306/0xa10 [ 118.495514][ C1] sk_stream_alloc_skb+0x354/0x1110 [ 118.500738][ C1] tcp_sendmsg_locked+0x26a9/0x6850 [ 118.505949][ C1] tcp_sendmsg+0xb2/0x100 [ 118.510294][ C1] inet_sendmsg+0x48e/0x750 [ 118.514829][ C1] sock_write_iter+0x433/0x5a0 [ 118.519606][ C1] __vfs_write+0xa2c/0xcb0 [ 118.524031][ C1] vfs_write+0x481/0x920 [ 118.528281][ C1] ksys_write+0x265/0x430 [ 118.532617][ C1] __se_sys_write+0x92/0xb0 [ 118.537129][ C1] __x64_sys_write+0x4a/0x70 [ 118.541756][ C1] do_syscall_64+0xbc/0xf0 [ 118.546191][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 118.552089][ C1] ================================================================== [ 118.560162][ C1] Disabling lock debugging due to kernel taint [ 118.566326][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 118.572942][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G B 5.2.0+ #15 [ 118.581189][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 118.591257][ C1] Call Trace: [ 118.594559][ C1] [ 118.597465][ C1] dump_stack+0x191/0x1f0 [ 118.601826][ C1] panic+0x3c9/0xc1e [ 118.605801][ C1] kmsan_report+0x2ca/0x2d0 [ 118.610331][ C1] __msan_warning+0x75/0xe0 [ 118.614856][ C1] __run_timers+0xb99/0x11a0 [ 118.619463][ C1] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 118.625593][ C1] ? kmsan_get_shadow_origin_ptr+0x71/0x470 [ 118.631524][ C1] run_timer_softirq+0x2d/0x50 [ 118.636318][ C1] ? timers_dead_cpu+0x9c0/0x9c0 [ 118.641275][ C1] __do_softirq+0x4ad/0x858 [ 118.645822][ C1] irq_exit+0x238/0x290 [ 118.650002][ C1] exiting_irq+0xe/0x10 [ 118.654366][ C1] smp_apic_timer_interrupt+0x48/0x70 [ 118.659786][ C1] apic_timer_interrupt+0x2e/0x40 [ 118.664827][ C1] [ 118.667800][ C1] RIP: 0010:default_idle+0x232/0x450 [ 118.673101][ C1] 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 [ 118.692726][ C1] RSP: 0018:ffff8881280bfde0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 118.701166][ C1] RAX: ffff888217c395f0 RBX: 0000000000000000 RCX: ffff888000000000 [ 118.709162][ C1] RDX: ffff888207e325f0 RSI: 0000160000000000 RDI: 00000000000005f0 [ 118.717158][ C1] RBP: ffff8881280bfe20 R08: 000000001024f5f0 R09: 0000778000000000 [ 118.725155][ C1] R10: ffffd0ffffffffff R11: 0000000000000004 R12: ffff88812d7d8990 [ 118.733155][ C1] R13: 0000000000000000 R14: ffff88812d7d8000 R15: ffff88812d7d8990 [ 118.741207][ C1] ? __cpuidle_text_start+0x8/0x8 [ 118.746285][ C1] ? __cpuidle_text_start+0x8/0x8 [ 118.751347][ C1] arch_cpu_idle+0x25/0x30 [ 118.755801][ C1] do_idle+0x1d7/0x790 [ 118.759919][ C1] cpu_startup_entry+0x45/0x50 [ 118.764721][ C1] ? setup_APIC_timer+0x210/0x210 [ 118.769785][ C1] start_secondary+0x3c0/0x4d0 [ 118.774600][ C1] secondary_startup_64+0xa4/0xb0 [ 120.276399][ C1] Shutting down cpus with NMI [ 120.297262][ C1] Kernel Offset: disabled [ 120.301641][ C1] Rebooting in 86400 seconds..