[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 72.634929][ T32] audit: type=1800 audit(1568484810.679:25): pid=10886 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 72.657781][ T32] audit: type=1800 audit(1568484810.699:26): pid=10886 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 72.683785][ T32] audit: type=1800 audit(1568484810.729:27): pid=10886 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 '10.128.0.147' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 84.121805][ T31] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 84.142114][ T3338] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 84.151881][ T17] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 84.151926][ T2897] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 84.152471][ T12] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 84.162216][T11049] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 84.391970][ T17] usb 2-1: Using ep0 maxpacket: 8 [ 84.392188][ T2897] usb 4-1: Using ep0 maxpacket: 8 [ 84.397251][ T3338] usb 5-1: Using ep0 maxpacket: 8 [ 84.407488][ T31] usb 1-1: Using ep0 maxpacket: 8 [ 84.411850][ T12] usb 6-1: Using ep0 maxpacket: 8 [ 84.452287][T11049] usb 3-1: Using ep0 maxpacket: 8 [ 84.522258][ T2897] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 84.522346][ T17] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 84.533436][ T2897] usb 4-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 84.544533][ T17] usb 2-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 84.557270][ T2897] usb 4-1: New USB device found, idVendor=046d, idProduct=c298, bcdDevice= 0.00 [ 84.570148][ T17] usb 2-1: New USB device found, idVendor=046d, idProduct=c298, bcdDevice= 0.00 [ 84.579275][ T2897] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 84.588440][ T17] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 84.597353][ T12] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 84.605788][ T3338] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 84.615451][ T12] usb 6-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 84.626323][ T3338] usb 5-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 84.626422][ T3338] usb 5-1: New USB device found, idVendor=046d, idProduct=c298, bcdDevice= 0.00 [ 84.639248][ T12] usb 6-1: New USB device found, idVendor=046d, idProduct=c298, bcdDevice= 0.00 [ 84.652037][ T3338] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 84.653147][ T31] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 84.661307][ T12] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 84.665407][ T12] usb 6-1: config 0 descriptor?? [ 84.671447][ T31] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 84.671515][ T31] usb 1-1: New USB device found, idVendor=046d, idProduct=c298, bcdDevice= 0.00 [ 84.688752][ T2897] usb 4-1: config 0 descriptor?? [ 84.690613][ T31] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 84.692088][ T3338] usb 5-1: config 0 descriptor?? [ 84.711373][ T31] usb 1-1: config 0 descriptor?? [ 84.726775][T11049] usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 84.749514][T11049] usb 3-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 84.773327][T11049] usb 3-1: New USB device found, idVendor=046d, idProduct=c298, bcdDevice= 0.00 [ 84.782554][T11049] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 84.810971][ T17] usb 2-1: config 0 descriptor?? [ 84.823629][T11049] usb 3-1: config 0 descriptor?? executing program executing program executing program executing program executing program executing program [ 85.232458][ T2897] usbhid 4-1:0.0: can't add hid device: -71 [ 85.238602][ T2897] usbhid: probe of 4-1:0.0 failed with error -71 [ 85.258396][ T2897] usb 4-1: USB disconnect, device number 2 [ 85.264586][ T12] usbhid 6-1:0.0: can't add hid device: -71 [ 85.270709][ T12] usbhid: probe of 6-1:0.0 failed with error -71 [ 85.309617][ T12] usb 6-1: USB disconnect, device number 2 [ 85.317080][ T31] usbhid 1-1:0.0: can't add hid device: -71 [ 85.323341][ T31] usbhid: probe of 1-1:0.0 failed with error -71 [ 85.338012][ T31] usb 1-1: USB disconnect, device number 2 [ 85.346680][ T3338] usbhid 5-1:0.0: can't add hid device: -71 [ 85.353297][ T3338] usbhid: probe of 5-1:0.0 failed with error -71 [ 85.362838][ T17] usbhid 2-1:0.0: can't add hid device: -71 [ 85.368999][ T17] usbhid: probe of 2-1:0.0 failed with error -71 [ 85.377822][ T3338] usb 5-1: USB disconnect, device number 2 [ 85.384718][T11049] usbhid 3-1:0.0: can't add hid device: -71 [ 85.390883][T11049] usbhid: probe of 3-1:0.0 failed with error -71 [ 85.402144][ T17] usb 2-1: USB disconnect, device number 2 [ 85.412007][T11049] usb 3-1: USB disconnect, device number 2 [ 85.641811][ T2897] usb 4-1: new high-speed USB device number 3 using dummy_hcd [ 85.661955][ T12] usb 6-1: new high-speed USB device number 3 using dummy_hcd [ 85.741877][ T31] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 85.762016][ T3338] usb 5-1: new high-speed USB device number 3 using dummy_hcd [ 85.782147][ T17] usb 2-1: new high-speed USB device number 3 using dummy_hcd [ 85.789965][T11049] usb 3-1: new high-speed USB device number 3 using dummy_hcd [ 85.892089][ T2897] usb 4-1: Using ep0 maxpacket: 8 [ 85.902320][ T12] usb 6-1: Using ep0 maxpacket: 8 [ 86.002193][ T31] usb 1-1: Using ep0 maxpacket: 8 [ 86.007442][ T3338] usb 5-1: Using ep0 maxpacket: 8 [ 86.012331][ T2897] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 86.023769][ T2897] usb 4-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 86.036675][ T2897] usb 4-1: New USB device found, idVendor=046d, idProduct=c298, bcdDevice= 0.00 [ 86.045795][ T2897] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 86.051984][ T17] usb 2-1: Using ep0 maxpacket: 8 [ 86.055227][ T12] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 86.059847][T11049] usb 3-1: Using ep0 maxpacket: 8 [ 86.069959][ T12] usb 6-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 86.070054][ T12] usb 6-1: New USB device found, idVendor=046d, idProduct=c298, bcdDevice= 0.00 [ 86.097281][ T12] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 86.106659][ T2897] usb 4-1: config 0 descriptor?? [ 86.117809][ T12] usb 6-1: config 0 descriptor?? [ 86.152465][ T31] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 86.163938][ T31] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 86.176877][ T31] usb 1-1: New USB device found, idVendor=046d, idProduct=c298, bcdDevice= 0.00 [ 86.185996][ T31] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 86.194850][ T3338] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 86.205906][ T3338] usb 5-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 86.218837][ T3338] usb 5-1: New USB device found, idVendor=046d, idProduct=c298, bcdDevice= 0.00 [ 86.228053][ T3338] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 86.236833][ T17] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 86.247878][ T17] usb 2-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 86.260771][ T17] usb 2-1: New USB device found, idVendor=046d, idProduct=c298, bcdDevice= 0.00 [ 86.269934][ T17] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 86.279232][ T3338] usb 5-1: config 0 descriptor?? [ 86.285149][ T17] usb 2-1: config 0 descriptor?? [ 86.290961][ T31] usb 1-1: config 0 descriptor?? [ 86.312288][T11049] usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 86.323605][T11049] usb 3-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 86.336667][T11049] usb 3-1: New USB device found, idVendor=046d, idProduct=c298, bcdDevice= 0.00 [ 86.345810][T11049] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 86.368986][T11049] usb 3-1: config 0 descriptor?? [ 86.405300][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.413359][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.420757][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.428117][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.435502][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.442895][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.450203][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.457690][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.465050][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.472470][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.479771][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.487098][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.494495][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.501884][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.509193][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.516572][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.523973][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.531286][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.538678][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.546039][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.553462][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.560734][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.568198][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.575603][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.582990][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.590322][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.597665][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 executing program executing program [ 86.605010][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.612362][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.619622][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.626966][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.634287][ T12] logitech 0003:046D:C298.0001: unknown main item tag 0x0 [ 86.655689][ T12] logitech 0003:046D:C298.0001: hidraw0: USB HID v0.00 Device [HID 046d:c298] on usb-dummy_hcd.5-1/input0 [ 86.667424][ T12] logitech 0003:046D:C298.0001: not enough fields in HID_OUTPUT_REPORT 0 [ 86.676373][ T12] logitech: probe of 0003:046D:C298.0001 failed with error -1 [ 86.687161][ T12] usb 6-1: USB disconnect, device number 3 [ 86.722519][ T2897] usbhid 4-1:0.0: can't add hid device: -71 [ 86.728716][ T2897] usbhid: probe of 4-1:0.0 failed with error -71 [ 86.737371][ T2897] usb 4-1: USB disconnect, device number 3 [ 86.752383][T11066] ================================================================== [ 86.761329][T11066] BUG: KMSAN: uninit-value in rpm_resume+0x3e8/0x2bb0 [ 86.768074][T11066] CPU: 1 PID: 11066 Comm: syz-executor747 Not tainted 5.3.0-rc7+ #0 [ 86.776031][T11066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.786082][T11066] Call Trace: [ 86.789374][T11066] dump_stack+0x191/0x1f0 [ 86.793704][T11066] kmsan_report+0x162/0x2d0 [ 86.798192][T11066] __msan_warning+0x75/0xe0 [ 86.802679][T11066] rpm_resume+0x3e8/0x2bb0 [ 86.807098][T11066] ? _raw_spin_lock_irqsave+0x82/0x110 [ 86.812547][T11066] __pm_runtime_resume+0x116/0x190 [ 86.818405][T11066] usb_autopm_get_interface+0x5f/0x100 [ 86.823858][T11066] usbhid_power+0xb7/0x170 [ 86.828265][T11066] ? usbhid_close+0x340/0x340 [ 86.832946][T11066] hidraw_open+0x459/0xc10 [ 86.837366][T11066] ? hidraw_ioctl+0x11a0/0x11a0 [ 86.842223][T11066] chrdev_open+0xc58/0xe00 [ 86.846677][T11066] ? cd_forget+0x320/0x320 [ 86.851112][T11066] do_dentry_open+0xda7/0x1810 [ 86.855887][T11066] vfs_open+0xaf/0xe0 [ 86.859956][T11066] path_openat+0x17f4/0x6bb0 [ 86.864563][T11066] do_filp_open+0x2b8/0x710 [ 86.869072][T11066] do_sys_open+0x642/0xa30 [ 86.873488][T11066] __se_sys_open+0xad/0xc0 [ 86.877928][T11066] __x64_sys_open+0x4a/0x70 [ 86.882462][T11066] do_syscall_64+0xbc/0xf0 [ 86.886899][T11066] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 86.892873][T11066] RIP: 0033:0x401b20 [ 86.896760][T11066] Code: 01 f0 ff ff 0f 83 c0 0b 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d ad 5b 2d 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 94 0b 00 00 c3 48 83 ec 08 e8 fa 00 00 00 [ 86.916364][T11066] RSP: 002b:00007ffde79a43e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 86.925288][T11066] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000401b20 [ 86.933242][T11066] RDX: 0000000000000000 RSI: 000000000000207e RDI: 00007ffde79a43f0 [ 86.941196][T11066] RBP: 6666666666666667 R08: 000000000000000f R09: 000000000000000b [ 86.949158][T11066] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000402b40 [ 86.957289][T11066] R13: 0000000000402bd0 R14: 0000000000000000 R15: 0000000000000000 [ 86.965264][T11066] [ 86.967596][T11066] Uninit was created at: [ 86.971836][T11066] kmsan_internal_poison_shadow+0x58/0xb0 [ 86.977550][T11066] kmsan_slab_free+0x8d/0x100 [ 86.982260][T11066] kfree+0x4c1/0x2db0 [ 86.986263][T11066] skb_release_data+0x7de/0x9d0 [ 86.991215][T11066] __kfree_skb+0x8a/0x210 [ 86.995546][T11066] consume_skb+0x2b0/0x2e0 [ 86.999940][T11066] skb_free_datagram+0x52/0x180 [ 87.004770][T11066] netlink_recvmsg+0xd2d/0x18e0 [ 87.009600][T11066] sock_recvmsg+0x3b3/0x3c0 [ 87.014121][T11066] ___sys_recvmsg+0x461/0x11e0 [ 87.018861][T11066] __se_sys_recvmsg+0x2fa/0x450 [ 87.023699][T11066] __x64_sys_recvmsg+0x4a/0x70 [ 87.028460][T11066] do_syscall_64+0xbc/0xf0 [ 87.032886][T11066] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 87.038760][T11066] ================================================================== [ 87.041873][ T12] usb 6-1: new high-speed USB device number 4 using dummy_hcd [ 87.046899][T11066] Disabling lock debugging due to kernel taint [ 87.046908][T11066] Kernel panic - not syncing: panic_on_warn set ... [ 87.046927][T11066] CPU: 1 PID: 11066 Comm: syz-executor747 Tainted: G B 5.3.0-rc7+ #0 [ 87.046935][T11066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.046940][T11066] Call Trace: [ 87.046968][T11066] dump_stack+0x191/0x1f0 [ 87.047005][T11066] panic+0x3c9/0xc1e [ 87.092087][ T2897] usb 4-1: new high-speed USB device number 4 using dummy_hcd [ 87.094124][T11066] kmsan_report+0x2ca/0x2d0 [ 87.094148][T11066] __msan_warning+0x75/0xe0 [ 87.094183][T11066] rpm_resume+0x3e8/0x2bb0 [ 87.119056][T11066] ? _raw_spin_lock_irqsave+0x82/0x110 [ 87.124516][T11066] __pm_runtime_resume+0x116/0x190 [ 87.129636][T11066] usb_autopm_get_interface+0x5f/0x100 [ 87.135093][T11066] usbhid_power+0xb7/0x170 [ 87.140543][T11066] ? usbhid_close+0x340/0x340 [ 87.145234][T11066] hidraw_open+0x459/0xc10 [ 87.149652][T11066] ? hidraw_ioctl+0x11a0/0x11a0 [ 87.154484][T11066] chrdev_open+0xc58/0xe00 [ 87.159585][T11066] ? cd_forget+0x320/0x320 [ 87.163997][T11066] do_dentry_open+0xda7/0x1810 [ 87.168762][T11066] vfs_open+0xaf/0xe0 [ 87.172047][ T12] dummy_hcd dummy_hcd.5: port status 0x00100503 has changes [ 87.172745][T11066] path_openat+0x17f4/0x6bb0 [ 87.184686][T11066] do_filp_open+0x2b8/0x710 [ 87.189186][T11066] do_sys_open+0x642/0xa30 [ 87.193619][T11066] __se_sys_open+0xad/0xc0 [ 87.198035][T11066] __x64_sys_open+0x4a/0x70 [ 87.202523][T11066] do_syscall_64+0xbc/0xf0 [ 87.207026][T11066] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 87.211914][ T2897] dummy_hcd dummy_hcd.3: port status 0x00100503 has changes [ 87.213354][T11066] RIP: 0033:0x401b20 [ 87.224492][T11066] Code: 01 f0 ff ff 0f 83 c0 0b 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d ad 5b 2d 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 94 0b 00 00 c3 48 83 ec 08 e8 fa 00 00 00 [ 87.245045][T11066] RSP: 002b:00007ffde79a43e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 87.253446][T11066] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000401b20 [ 87.261415][T11066] RDX: 0000000000000000 RSI: 000000000000207e RDI: 00007ffde79a43f0 [ 87.261762][ C0] dummy_udc dummy_udc.5: set_address = 4 [ 87.269521][T11066] RBP: 6666666666666667 R08: 000000000000000f R09: 000000000000000b [ 87.283094][T11066] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000402b40 [ 87.291493][T11066] R13: 0000000000402bd0 R14: 0000000000000000 R15: 0000000000000000 [ 87.300805][T11066] Kernel Offset: disabled [ 87.305198][T11066] Rebooting in 86400 seconds..