[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 82.060767][ T30] audit: type=1800 audit(1570039029.117:25): pid=11803 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 82.084462][ T30] audit: type=1800 audit(1570039029.147:26): pid=11803 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 82.121340][ T30] audit: type=1800 audit(1570039029.167:27): pid=11803 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 '10.128.0.229' (ECDSA) to the list of known hosts. 2019/10/02 17:57:23 fuzzer started 2019/10/02 17:57:27 dialing manager at 10.128.0.26:37073 2019/10/02 17:57:27 syscalls: 2412 2019/10/02 17:57:27 code coverage: enabled 2019/10/02 17:57:27 comparison tracing: CONFIG_KCOV_ENABLE_COMPARISONS is not enabled 2019/10/02 17:57:27 extra coverage: enabled 2019/10/02 17:57:27 setuid sandbox: enabled 2019/10/02 17:57:27 namespace sandbox: enabled 2019/10/02 17:57:27 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/02 17:57:27 fault injection: enabled 2019/10/02 17:57:27 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/02 17:57:27 net packet injection: enabled 2019/10/02 17:57:27 net device setup: enabled 18:00:49 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x3) mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x0, 0x12, 0xffffffffffffffff, 0x0) lstat(0x0, 0x0) syzkaller login: [ 302.901519][T11968] IPVS: ftp: loaded support on port[0] = 21 [ 303.042754][T11968] chnl_net:caif_netlink_parms(): no params data found [ 303.098835][T11968] bridge0: port 1(bridge_slave_0) entered blocking state [ 303.106151][T11968] bridge0: port 1(bridge_slave_0) entered disabled state [ 303.114939][T11968] device bridge_slave_0 entered promiscuous mode [ 303.124591][T11968] bridge0: port 2(bridge_slave_1) entered blocking state [ 303.131801][T11968] bridge0: port 2(bridge_slave_1) entered disabled state [ 303.140791][T11968] device bridge_slave_1 entered promiscuous mode [ 303.174384][T11968] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 303.186959][T11968] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 303.219655][T11968] team0: Port device team_slave_0 added [ 303.229007][T11968] team0: Port device team_slave_1 added [ 303.338220][T11968] device hsr_slave_0 entered promiscuous mode [ 303.474579][T11968] device hsr_slave_1 entered promiscuous mode [ 303.574861][T11968] bridge0: port 2(bridge_slave_1) entered blocking state [ 303.582091][T11968] bridge0: port 2(bridge_slave_1) entered forwarding state [ 303.590096][T11968] bridge0: port 1(bridge_slave_0) entered blocking state [ 303.597423][T11968] bridge0: port 1(bridge_slave_0) entered forwarding state [ 303.678844][T11968] 8021q: adding VLAN 0 to HW filter on device bond0 [ 303.699517][ T4896] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 303.710983][ T4896] bridge0: port 1(bridge_slave_0) entered disabled state [ 303.721045][ T4896] bridge0: port 2(bridge_slave_1) entered disabled state [ 303.733957][ T4896] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 303.754424][T11968] 8021q: adding VLAN 0 to HW filter on device team0 [ 303.772866][ T4896] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 303.782627][ T4896] bridge0: port 1(bridge_slave_0) entered blocking state [ 303.789899][ T4896] bridge0: port 1(bridge_slave_0) entered forwarding state [ 303.847282][ T4896] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 303.856766][ T4896] bridge0: port 2(bridge_slave_1) entered blocking state [ 303.864043][ T4896] bridge0: port 2(bridge_slave_1) entered forwarding state [ 303.874397][ T4896] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 303.884400][ T4896] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 303.894048][ T4896] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 303.903212][ T4896] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 303.916197][T11968] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 303.924833][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 303.974309][T11968] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 304.074895][T11974] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. 18:00:51 executing program 0: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f00000000c0)={0x2, 0x4e23, @multicast2}, 0x10) setsockopt$inet_tcp_int(r0, 0x6, 0x2, &(0x7f0000000240)=0xfff, 0x4) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, 0x0, 0x0) sendto$inet(r0, 0x0, 0x0, 0x20000804, &(0x7f0000000000)={0x2, 0x4e23, @local}, 0x10) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000080)='sit0\x00', 0x10) sendto$inet(r0, &(0x7f0000000480), 0xfffffffffffffdce, 0x0, 0x0, 0x150) shutdown(r0, 0x400000000000001) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0) setsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f0000000080)='sit0\x00', 0x10) shutdown(0xffffffffffffffff, 0x0) 18:00:51 executing program 0: r0 = syz_usb_connect(0x0, 0x36, &(0x7f00000008c0)={{0x12, 0x1, 0x0, 0xcc, 0xa0, 0xed, 0x8, 0x424, 0x7500, 0x8212, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xba, 0x0, 0x2, 0xf2, 0x23, 0x6b, 0x0, [], [{{0x9, 0x5, 0xb, 0x2}}, {{0x9, 0x5, 0x8a, 0x2}}]}}]}}]}}, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000001bc0)={0xac, &(0x7f0000000fc0), 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, &(0x7f0000001000)={0x94, &(0x7f0000000400)={0x0, 0x0, 0xffffffffffffff89}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000440)={0x34, &(0x7f00000004c0)={0x0, 0x0, 0x2, "72d4"}, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$printer(r0, 0x0, &(0x7f0000000600)={0x34, &(0x7f0000000380)={0x0, 0x0, 0x1, "c6"}, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, &(0x7f00000009c0)={0xac, &(0x7f0000000200), 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) [ 304.653111][ T3374] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 304.893039][ T3374] usb 1-1: Using ep0 maxpacket: 8 [ 305.013663][ T3374] usb 1-1: config 0 has an invalid interface number: 186 but max is 0 [ 305.021959][ T3374] usb 1-1: config 0 has no interface number 0 [ 305.028279][ T3374] usb 1-1: config 0 interface 186 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 305.038269][ T3374] usb 1-1: config 0 interface 186 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 305.048375][ T3374] usb 1-1: New USB device found, idVendor=0424, idProduct=7500, bcdDevice=82.12 [ 305.058048][ T3374] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 305.073900][ T3374] usb 1-1: config 0 descriptor?? [ 305.117865][ T3374] smsc75xx v1.0.0 [ 305.553284][ T3374] ===================================================== [ 305.560543][ T3374] BUG: KMSAN: uninit-value in usbnet_probe+0x10ae/0x3960 [ 305.567584][ T3374] CPU: 0 PID: 3374 Comm: kworker/0:2 Not tainted 5.3.0-rc7+ #0 [ 305.575147][ T3374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 305.585284][ T3374] Workqueue: usb_hub_wq hub_event [ 305.590486][ T3374] Call Trace: [ 305.593943][ T3374] dump_stack+0x191/0x1f0 [ 305.598361][ T3374] kmsan_report+0x13a/0x2b0 [ 305.602890][ T3374] __msan_warning+0x73/0xe0 [ 305.607468][ T3374] smsc75xx_bind+0x541/0x12d0 [ 305.612163][ T3374] ? kmsan_get_shadow_origin_ptr+0x6e/0x4c0 [ 305.618080][ T3374] ? smsc75xx_write_wuff+0x9e0/0x9e0 [ 305.623466][ T3374] usbnet_probe+0x10ae/0x3960 [ 305.628160][ T3374] ? kmsan_internal_set_origin+0x6a/0xb0 [ 305.633851][ T3374] ? usbnet_disconnect+0x660/0x660 [ 305.639007][ T3374] usb_probe_interface+0xd19/0x1310 [ 305.644227][ T3374] ? kmsan_get_shadow_origin_ptr+0x6e/0x4c0 [ 305.650183][ T3374] ? usb_register_driver+0x7d0/0x7d0 [ 305.656436][ T3374] really_probe+0x1373/0x1dc0 [ 305.661169][ T3374] driver_probe_device+0x1ba/0x510 [ 305.666313][ T3374] __device_attach_driver+0x5b8/0x790 [ 305.671716][ T3374] bus_for_each_drv+0x28e/0x3b0 [ 305.676593][ T3374] ? deferred_probe_work_func+0x400/0x400 [ 305.682342][ T3374] __device_attach+0x489/0x750 [ 305.687126][ T3374] device_initial_probe+0x4a/0x60 [ 305.692155][ T3374] bus_probe_device+0x131/0x390 [ 305.697148][ T3374] device_add+0x25b5/0x2df0 [ 305.701715][ T3374] usb_set_configuration+0x309f/0x3710 [ 305.707266][ T3374] generic_probe+0xe7/0x280 [ 305.711798][ T3374] ? usb_choose_configuration+0xae0/0xae0 [ 305.717546][ T3374] usb_probe_device+0x146/0x200 [ 305.722425][ T3374] ? kmsan_get_shadow_origin_ptr+0x6e/0x4c0 [ 305.728345][ T3374] ? usb_register_device_driver+0x470/0x470 [ 305.734267][ T3374] really_probe+0x1373/0x1dc0 [ 305.738981][ T3374] driver_probe_device+0x1ba/0x510 [ 305.744124][ T3374] __device_attach_driver+0x5b8/0x790 [ 305.749531][ T3374] bus_for_each_drv+0x28e/0x3b0 [ 305.754750][ T3374] ? deferred_probe_work_func+0x400/0x400 [ 305.760510][ T3374] __device_attach+0x489/0x750 [ 305.765314][ T3374] device_initial_probe+0x4a/0x60 [ 305.770395][ T3374] bus_probe_device+0x131/0x390 [ 305.775273][ T3374] device_add+0x25b5/0x2df0 [ 305.779814][ T3374] usb_new_device+0x23e5/0x2fb0 [ 305.784710][ T3374] hub_event+0x581d/0x72f0 [ 305.789200][ T3374] ? kmsan_get_shadow_origin_ptr+0x6e/0x4c0 [ 305.795114][ T3374] ? led_work+0x720/0x720 [ 305.799452][ T3374] ? led_work+0x720/0x720 [ 305.803891][ T3374] process_one_work+0x1572/0x1ef0 [ 305.808952][ T3374] worker_thread+0x111b/0x2460 [ 305.813805][ T3374] kthread+0x4b5/0x4f0 [ 305.817897][ T3374] ? process_one_work+0x1ef0/0x1ef0 [ 305.823111][ T3374] ? kthread_blkcg+0xf0/0xf0 [ 305.827738][ T3374] ret_from_fork+0x35/0x40 [ 305.832161][ T3374] [ 305.834487][ T3374] Local variable description: ----buf.i93@smsc75xx_bind [ 305.841415][ T3374] Variable was created at: [ 305.845849][ T3374] smsc75xx_bind+0x44c/0x12d0 [ 305.850532][ T3374] usbnet_probe+0x10ae/0x3960 [ 305.855222][ T3374] ===================================================== [ 305.862279][ T3374] Disabling lock debugging due to kernel taint [ 305.868440][ T3374] Kernel panic - not syncing: panic_on_warn set ... [ 305.875125][ T3374] CPU: 0 PID: 3374 Comm: kworker/0:2 Tainted: G B 5.3.0-rc7+ #0 [ 305.884064][ T3374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 305.894147][ T3374] Workqueue: usb_hub_wq hub_event [ 305.899176][ T3374] Call Trace: [ 305.902483][ T3374] dump_stack+0x191/0x1f0 [ 305.906938][ T3374] panic+0x3c9/0xc1e [ 305.910881][ T3374] kmsan_report+0x2a2/0x2b0 [ 305.915404][ T3374] __msan_warning+0x73/0xe0 [ 305.919919][ T3374] smsc75xx_bind+0x541/0x12d0 [ 305.924608][ T3374] ? kmsan_get_shadow_origin_ptr+0x6e/0x4c0 [ 305.930519][ T3374] ? smsc75xx_write_wuff+0x9e0/0x9e0 [ 305.935979][ T3374] usbnet_probe+0x10ae/0x3960 [ 305.940767][ T3374] ? kmsan_internal_set_origin+0x6a/0xb0 [ 305.946437][ T3374] ? usbnet_disconnect+0x660/0x660 [ 305.951583][ T3374] usb_probe_interface+0xd19/0x1310 [ 305.956820][ T3374] ? kmsan_get_shadow_origin_ptr+0x6e/0x4c0 [ 305.962747][ T3374] ? usb_register_driver+0x7d0/0x7d0 [ 305.968223][ T3374] really_probe+0x1373/0x1dc0 [ 305.972936][ T3374] driver_probe_device+0x1ba/0x510 [ 305.978178][ T3374] __device_attach_driver+0x5b8/0x790 [ 305.983578][ T3374] bus_for_each_drv+0x28e/0x3b0 [ 305.988449][ T3374] ? deferred_probe_work_func+0x400/0x400 [ 305.994190][ T3374] __device_attach+0x489/0x750 [ 305.998980][ T3374] device_initial_probe+0x4a/0x60 [ 306.004580][ T3374] bus_probe_device+0x131/0x390 [ 306.009467][ T3374] device_add+0x25b5/0x2df0 [ 306.014013][ T3374] usb_set_configuration+0x309f/0x3710 [ 306.019535][ T3374] generic_probe+0xe7/0x280 [ 306.024058][ T3374] ? usb_choose_configuration+0xae0/0xae0 [ 306.029793][ T3374] usb_probe_device+0x146/0x200 [ 306.034661][ T3374] ? kmsan_get_shadow_origin_ptr+0x6e/0x4c0 [ 306.040589][ T3374] ? usb_register_device_driver+0x470/0x470 [ 306.046496][ T3374] really_probe+0x1373/0x1dc0 [ 306.051197][ T3374] driver_probe_device+0x1ba/0x510 [ 306.056345][ T3374] __device_attach_driver+0x5b8/0x790 [ 306.061747][ T3374] bus_for_each_drv+0x28e/0x3b0 [ 306.066624][ T3374] ? deferred_probe_work_func+0x400/0x400 [ 306.072374][ T3374] __device_attach+0x489/0x750 [ 306.077176][ T3374] device_initial_probe+0x4a/0x60 [ 306.082224][ T3374] bus_probe_device+0x131/0x390 [ 306.087098][ T3374] device_add+0x25b5/0x2df0 [ 306.091654][ T3374] usb_new_device+0x23e5/0x2fb0 [ 306.096554][ T3374] hub_event+0x581d/0x72f0 [ 306.101041][ T3374] ? kmsan_get_shadow_origin_ptr+0x6e/0x4c0 [ 306.106939][ T3374] ? led_work+0x720/0x720 [ 306.111283][ T3374] ? led_work+0x720/0x720 [ 306.115629][ T3374] process_one_work+0x1572/0x1ef0 [ 306.120685][ T3374] worker_thread+0x111b/0x2460 [ 306.126195][ T3374] kthread+0x4b5/0x4f0 [ 306.130275][ T3374] ? process_one_work+0x1ef0/0x1ef0 [ 306.135482][ T3374] ? kthread_blkcg+0xf0/0xf0 [ 306.140078][ T3374] ret_from_fork+0x35/0x40 [ 306.146298][ T3374] Kernel Offset: disabled [ 306.150664][ T3374] Rebooting in 86400 seconds..