[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 14.010932][ T1662] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 15.201816][ C0] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 27.474140][ T1715] can: request_module (can-proto-0) failed. [ 27.530820][ T1715] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.0.131' (ECDSA) to the list of known hosts. 2019/08/19 20:13:47 parsed 1 programs 2019/08/19 20:13:47 executed programs: 0 [ 35.338941][ T1855] cgroup1: Unknown subsys name 'perf_event' [ 35.345414][ T1855] cgroup1: Unknown subsys name 'net_cls' [ 35.356615][ T1857] cgroup1: Unknown subsys name 'perf_event' [ 35.363783][ T1860] cgroup1: Unknown subsys name 'perf_event' [ 35.365955][ T1857] cgroup1: Unknown subsys name 'net_cls' [ 35.371076][ T1863] cgroup1: Unknown subsys name 'perf_event' [ 35.382255][ T1860] cgroup1: Unknown subsys name 'net_cls' [ 35.389280][ T1865] cgroup1: Unknown subsys name 'perf_event' [ 35.395473][ T1865] cgroup1: Unknown subsys name 'net_cls' [ 35.403166][ T1863] cgroup1: Unknown subsys name 'net_cls' [ 35.411182][ T1868] cgroup1: Unknown subsys name 'perf_event' [ 35.420853][ T1868] cgroup1: Unknown subsys name 'net_cls' [ 38.536906][ T22] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 38.557597][ T1755] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 38.656850][ T12] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 38.664432][ T101] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 38.696807][ T2851] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 38.706810][ T2836] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 38.776798][ T22] usb 5-1: Using ep0 maxpacket: 16 [ 38.796851][ T1755] usb 2-1: Using ep0 maxpacket: 16 [ 38.897015][ T22] usb 5-1: config 0 has an invalid interface number: 101 but max is 0 [ 38.905380][ T22] usb 5-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 38.915482][ T22] usb 5-1: config 0 has no interface number 0 [ 38.916870][ T12] usb 4-1: Using ep0 maxpacket: 16 [ 38.922003][ T1755] usb 2-1: config 0 has an invalid interface number: 101 but max is 0 [ 38.926779][ T101] usb 6-1: Using ep0 maxpacket: 16 [ 38.934854][ T1755] usb 2-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 38.934867][ T1755] usb 2-1: config 0 has no interface number 0 [ 38.956109][ T2836] usb 1-1: Using ep0 maxpacket: 16 [ 38.961382][ T22] usb 5-1: config 0 interface 101 altsetting 0 endpoint 0x8C has an invalid bInterval 0, changing to 7 [ 38.972443][ T22] usb 5-1: New USB device found, idVendor=0c45, idProduct=1010, bcdDevice=a5.c1 [ 38.976788][ T2851] usb 3-1: Using ep0 maxpacket: 16 [ 38.981532][ T22] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.994632][ T1755] usb 2-1: config 0 interface 101 altsetting 0 endpoint 0x8C has an invalid bInterval 0, changing to 7 [ 39.005774][ T1755] usb 2-1: New USB device found, idVendor=0c45, idProduct=1010, bcdDevice=a5.c1 [ 39.014825][ T1755] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.024582][ T22] usb 5-1: config 0 descriptor?? [ 39.030634][ T1755] usb 2-1: config 0 descriptor?? [ 39.056961][ T12] usb 4-1: config 0 has an invalid interface number: 101 but max is 0 [ 39.065212][ T12] usb 4-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 39.075430][ T12] usb 4-1: config 0 has no interface number 0 [ 39.082286][ T22] yurex 5-1:0.101: USB YUREX device now attached to Yurex #0 [ 39.085523][ T101] usb 6-1: config 0 has an invalid interface number: 101 but max is 0 [ 39.090784][ T1755] yurex 2-1:0.101: USB YUREX device now attached to Yurex #1 [ 39.098025][ T101] usb 6-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 39.098038][ T101] usb 6-1: config 0 has no interface number 0 [ 39.109131][ T101] usb 6-1: config 0 interface 101 altsetting 0 endpoint 0x8C has an invalid bInterval 0, changing to 7 [ 39.115716][ T2836] usb 1-1: config 0 has an invalid interface number: 101 but max is 0 [ 39.121651][ T101] usb 6-1: New USB device found, idVendor=0c45, idProduct=1010, bcdDevice=a5.c1 [ 39.121664][ T101] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.126047][ T12] usb 4-1: config 0 interface 101 altsetting 0 endpoint 0x8C has an invalid bInterval 0, changing to 7 [ 39.132761][ T2836] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 39.132772][ T2836] usb 1-1: config 0 has no interface number 0 [ 39.136127][ T2836] usb 1-1: config 0 interface 101 altsetting 0 endpoint 0x8C has an invalid bInterval 0, changing to 7 [ 39.141049][ T12] usb 4-1: New USB device found, idVendor=0c45, idProduct=1010, bcdDevice=a5.c1 [ 39.141062][ T12] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.141381][ T2851] usb 3-1: config 0 has an invalid interface number: 101 but max is 0 [ 39.150156][ T2836] usb 1-1: New USB device found, idVendor=0c45, idProduct=1010, bcdDevice=a5.c1 [ 39.158119][ T2851] usb 3-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 39.158130][ T2851] usb 3-1: config 0 has no interface number 0 [ 39.161898][ T101] usb 6-1: config 0 descriptor?? [ 39.169202][ T2836] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.186835][ T12] usb 4-1: config 0 descriptor?? [ 39.252436][ T2836] usb 1-1: config 0 descriptor?? [ 39.259849][ T2851] usb 3-1: config 0 interface 101 altsetting 0 endpoint 0x8C has an invalid bInterval 0, changing to 7 [ 39.280836][ T2851] usb 3-1: New USB device found, idVendor=0c45, idProduct=1010, bcdDevice=a5.c1 [ 39.289859][ T2851] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.299295][ T2851] usb 3-1: config 0 descriptor?? [ 39.321510][ T2836] yurex 1-1:0.101: USB YUREX device now attached to Yurex #2 [ 39.342859][ T12] yurex 4-1:0.101: USB YUREX device now attached to Yurex #4 [ 39.350609][ T2851] yurex 3-1:0.101: USB YUREX device now attached to Yurex #5 [ 39.358538][ T101] yurex 6-1:0.101: USB YUREX device now attached to Yurex #3 [ 41.280361][ T2823] yurex 5-1:0.101: yurex_write - failed to send bulk msg, error -4 [ 41.288419][ T2816] ------------[ cut here ]------------ [ 41.293977][ T2816] URB 00000000c866c77d submitted while active [ 41.300198][ T2816] WARNING: CPU: 1 PID: 2816 at drivers/usb/core/urb.c:362 usb_submit_urb+0x10c1/0x13b0 [ 41.309815][ T2816] Kernel panic - not syncing: panic_on_warn set ... [ 41.316379][ T2816] CPU: 1 PID: 2816 Comm: syz-executor.4 Not tainted 5.3.0-rc4+ #1 2019/08/19 20:13:53 executed programs: 6 [ 41.324240][ T2816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.334268][ T2816] Call Trace: [ 41.337539][ T2816] dump_stack+0xca/0x13e [ 41.341764][ T2816] ? usb_submit_urb+0xff0/0x13b0 [ 41.346689][ T2816] panic+0x2a3/0x6da [ 41.347845][ T101] usb 2-1: USB disconnect, device number 2 [ 41.350582][ T2816] ? add_taint.cold+0x16/0x16 [ 41.361038][ T2816] ? __probe_kernel_read+0x188/0x1d0 [ 41.366430][ T2816] ? __warn.cold+0x5/0x4a [ 41.370758][ T2816] ? __warn+0xe3/0x1e0 [ 41.374831][ T2816] ? usb_submit_urb+0x10c1/0x13b0 [ 41.379845][ T2816] __warn.cold+0x20/0x4a [ 41.384069][ T2816] ? usb_submit_urb+0x10c1/0x13b0 [ 41.389071][ T2816] report_bug+0x262/0x2a0 [ 41.393379][ T2816] do_error_trap+0x12b/0x1e0 [ 41.397944][ T2816] ? usb_submit_urb+0x10c1/0x13b0 [ 41.402951][ T2816] do_invalid_op+0x32/0x40 [ 41.407373][ T2816] ? usb_submit_urb+0x10c1/0x13b0 [ 41.412388][ T2816] invalid_op+0x23/0x30 [ 41.416521][ T2816] RIP: 0010:usb_submit_urb+0x10c1/0x13b0 [ 41.422137][ T2816] Code: 89 de e8 62 b7 ef fd 84 db 0f 85 42 f6 ff ff e8 25 b6 ef fd 4c 89 fe 48 c7 c7 c0 67 18 86 c6 05 07 29 3a 04 01 e8 14 9b c5 fd <0f> 0b e9 20 f6 ff ff c7 44 24 14 01 00 00 00 e9 d7 f6 ff ff 41 bd [ 41.441823][ T2816] RSP: 0018:ffff8881c6f3fc48 EFLAGS: 00010286 [ 41.447869][ T2816] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 41.455819][ T2816] RDX: 0000000000000000 RSI: ffffffff81288cfd RDI: ffffed1038de7f7b [ 41.463764][ T2816] RBP: ffff8881d1210000 R08: ffff8881c726c800 R09: fffffbfff11ad3a4 [ 41.471710][ T2816] R10: fffffbfff11ad3a3 R11: ffffffff88d69d1f R12: 1ffff11038de7f9f [ 41.479765][ T2816] R13: 00000000fffffff0 R14: 0000000000000000 R15: ffff8881d63eff00 [ 41.487727][ T2816] ? vprintk_func+0x7d/0x113 [ 41.492302][ T2816] ? usb_submit_urb+0x10c1/0x13b0 [ 41.497301][ T2816] ? __might_fault+0x192/0x1d0 [ 41.502040][ T2816] yurex_write+0x369/0x8f0 [ 41.506447][ T2816] ? yurex_control_callback+0x60/0x60 [ 41.511794][ T2816] ? __fget+0x357/0x530 [ 41.515924][ T2816] ? ksys_dup3+0x3c0/0x3c0 [ 41.520319][ T2816] ? security_file_permission+0x8a/0x370 [ 41.525932][ T2816] ? yurex_control_callback+0x60/0x60 [ 41.531277][ T2816] __vfs_write+0x76/0x100 [ 41.535581][ T2816] vfs_write+0x262/0x5c0 [ 41.539801][ T2816] ksys_write+0x127/0x250 [ 41.544104][ T2816] ? __ia32_sys_read+0xb0/0xb0 [ 41.549566][ T2816] ? __ia32_sys_clock_settime+0x260/0x260 [ 41.555265][ T2816] ? trace_hardirqs_off_caller+0x55/0x1e0 [ 41.567125][ T2816] do_syscall_64+0xb7/0x580 [ 41.571606][ T2816] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 41.577471][ T2816] RIP: 0033:0x459829 [ 41.581360][ T2816] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 41.601030][ T2816] RSP: 002b:00007f5fe5e65c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.609435][ T2816] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829 [ 41.617383][ T2816] RDX: 000000000000008d RSI: 0000000020000040 RDI: 0000000000000004 [ 41.625521][ T2816] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 41.633473][ T2816] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5fe5e666d4 [ 41.641416][ T2816] R13: 00000000004c99b9 R14: 00000000004e1038 R15: 00000000ffffffff [ 41.649959][ T2816] Kernel Offset: disabled [ 41.654329][ T2816] Rebooting in 86400 seconds..