[ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Started OpenBSD Secure Shell server. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.224' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 47.802259][ T5] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 48.042140][ T5] usb 1-1: Using ep0 maxpacket: 16 [ 48.162251][ T5] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x84 has an invalid bInterval 0, changing to 7 [ 48.173272][ T5] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x84 has invalid wMaxPacketSize 0 [ 48.342133][ T5] usb 1-1: New USB device found, idVendor=0d8c, idProduct=000e, bcdDevice=b6.8f [ 48.351172][ T5] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 48.360303][ T5] usb 1-1: Product: syz [ 48.365078][ T5] usb 1-1: Manufacturer: syz [ 48.369671][ T5] usb 1-1: SerialNumber: syz [ 48.381210][ T5] usb 1-1: config 0 descriptor?? [ 48.425009][ T5] cm109 1-1:0.0: invalid payload size 0, expected 4 [ 48.434693][ T5] input: CM109 USB driver as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/input/input5 [ 48.639996][ T8462] ------------[ cut here ]------------ [ 48.640029][ T8462] URB 00000000fa7e6a0b submitted while active [ 48.640241][ T8462] WARNING: CPU: 0 PID: 8462 at drivers/usb/core/urb.c:378 usb_submit_urb+0xf57/0x1510 [ 48.640245][ T8462] Modules linked in: [ 48.640259][ T8462] CPU: 0 PID: 8462 Comm: syz-executor064 Not tainted 5.10.0-rc6-syzkaller #0 [ 48.640264][ T8462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.640272][ T8462] RIP: 0010:usb_submit_urb+0xf57/0x1510 [ 48.640280][ T8462] Code: 5c 41 5d 41 5e 41 5f 5d e9 76 5b ff ff e8 c1 e9 04 fc c6 05 45 10 8b 07 01 48 c7 c7 a0 b6 5b 8a 4c 89 e6 31 c0 e8 69 08 d5 fb <0f> 0b e9 20 f1 ff ff e8 9d e9 04 fc eb 05 e8 96 e9 04 fc bb a6 ff [ 48.640285][ T8462] RSP: 0018:ffffc90000ecf6d8 EFLAGS: 00010046 [ 48.640294][ T8462] RAX: ed1497fd940bbe00 RBX: ffff8880113d2108 RCX: ffff88801b269a40 [ 48.640299][ T8462] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 48.640304][ T8462] RBP: 0000000000000a20 R08: ffffffff815d29e2 R09: ffffed1017383ffc [ 48.640309][ T8462] R10: ffffed1017383ffc R11: 0000000000000000 R12: ffff8880113d2100 [ 48.640315][ T8462] R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff88801d001850 [ 48.640321][ T8462] FS: 00000000013ac880(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 48.640327][ T8462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.640332][ T8462] CR2: 0000558946f0cf78 CR3: 0000000011c70000 CR4: 00000000001506f0 [ 48.640339][ T8462] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.640344][ T8462] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.640347][ T8462] Call Trace: [ 48.640361][ T8462] ? trace_add_input_randomness+0x10b/0x220 [ 48.640378][ T8462] cm109_input_ev+0x1dc/0x3a0 [ 48.640389][ T8462] ? cm109_input_close+0xb0/0xb0 [ 48.640396][ T8462] input_handle_event+0x895/0x1510 [ 48.640411][ T8462] input_inject_event+0x1e8/0x280 [ 48.640424][ T8462] kd_sound_helper+0xfc/0x200 [ 48.640432][ T8462] ? kd_mksound+0x140/0x140 [ 48.640440][ T8462] input_handler_for_each_handle+0xc8/0x160 [ 48.640450][ T8462] kd_mksound+0x6c/0x140 [ 48.640461][ T8462] do_con_write+0x3325/0xdee0 [ 48.640524][ T8462] con_write+0x20/0x40 [ 48.640534][ T8462] n_tty_write+0xcc2/0x1160 [ 48.640555][ T8462] ? wait_woken+0x250/0x250 [ 48.640567][ T8462] tty_write+0x585/0x8f0 [ 48.640578][ T8462] ? n_tty_read+0x1b40/0x1b40 [ 48.640586][ T8462] ? redirected_tty_write+0xb0/0xb0 [ 48.640597][ T8462] vfs_write+0x220/0xab0 [ 48.640614][ T8462] ? __fdget_pos+0x1d5/0x2e0 [ 48.640625][ T8462] ksys_write+0x11b/0x220 [ 48.640638][ T8462] do_syscall_64+0x2d/0x70 [ 48.640646][ T8462] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.640653][ T8462] RIP: 0033:0x444839 [ 48.640660][ T8462] Code: e8 bc af 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 9b d7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 48.640665][ T8462] RSP: 002b:00007ffeb806aaf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.640674][ T8462] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000444839 [ 48.640679][ T8462] RDX: 0000000000001006 RSI: 00000000200002c0 RDI: 0000000000000005 [ 48.640684][ T8462] RBP: 00000000006d0018 R08: 00000000004002e0 R09: 00000000004002e0 [ 48.640689][ T8462] R10: 000000000000000d R11: 0000000000000246 R12: 0000000000402460 [ 48.640693][ T8462] R13: 00000000004024f0 R14: 0000000000000000 R15: 0000000000000000 [ 48.640711][ T8462] Kernel panic - not syncing: panic_on_warn set ... [ 48.640718][ T8462] CPU: 0 PID: 8462 Comm: syz-executor064 Not tainted 5.10.0-rc6-syzkaller #0 [ 48.640723][ T8462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.640726][ T8462] Call Trace: [ 48.640734][ T8462] dump_stack+0x137/0x1be [ 48.640743][ T8462] ? panic+0x1f3/0x800 [ 48.640753][ T8462] panic+0x291/0x800 [ 48.640765][ T8462] ? __warn+0x13e/0x270 [ 48.640776][ T8462] __warn+0x26a/0x270 [ 48.640783][ T8462] ? usb_submit_urb+0xf57/0x1510 [ 48.640792][ T8462] ? usb_submit_urb+0xf57/0x1510 [ 48.640799][ T8462] report_bug+0x1b1/0x2e0 [ 48.640811][ T8462] handle_bug+0x3d/0x70 [ 48.640818][ T8462] exc_invalid_op+0x16/0x40 [ 48.640825][ T8462] asm_exc_invalid_op+0x12/0x20 [ 48.640832][ T8462] RIP: 0010:usb_submit_urb+0xf57/0x1510 [ 48.640844][ T8462] Code: 5c 41 5d 41 5e 41 5f 5d e9 76 5b ff ff e8 c1 e9 04 fc c6 05 45 10 8b 07 01 48 c7 c7 a0 b6 5b 8a 4c 89 e6 31 c0 e8 69 08 d5 fb <0f> 0b e9 20 f1 ff ff e8 9d e9 04 fc eb 05 e8 96 e9 04 fc bb a6 ff [ 48.640849][ T8462] RSP: 0018:ffffc90000ecf6d8 EFLAGS: 00010046 [ 48.640857][ T8462] RAX: ed1497fd940bbe00 RBX: ffff8880113d2108 RCX: ffff88801b269a40 [ 48.640862][ T8462] RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 [ 48.640867][ T8462] RBP: 0000000000000a20 R08: ffffffff815d29e2 R09: ffffed1017383ffc [ 48.640872][ T8462] R10: ffffed1017383ffc R11: 0000000000000000 R12: ffff8880113d2100 [ 48.640877][ T8462] R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff88801d001850 [ 48.640891][ T8462] ? wake_up_klogd+0xb2/0xf0 [ 48.640904][ T8462] ? usb_submit_urb+0xf57/0x1510 [ 48.640913][ T8462] ? trace_add_input_randomness+0x10b/0x220 [ 48.640927][ T8462] cm109_input_ev+0x1dc/0x3a0 [ 48.640937][ T8462] ? cm109_input_close+0xb0/0xb0 [ 48.640943][ T8462] input_handle_event+0x895/0x1510 [ 48.640958][ T8462] input_inject_event+0x1e8/0x280 [ 48.640969][ T8462] kd_sound_helper+0xfc/0x200 [ 48.640978][ T8462] ? kd_mksound+0x140/0x140 [ 48.640985][ T8462] input_handler_for_each_handle+0xc8/0x160 [ 48.640995][ T8462] kd_mksound+0x6c/0x140 [ 48.641005][ T8462] do_con_write+0x3325/0xdee0 [ 48.641067][ T8462] con_write+0x20/0x40 [ 48.641075][ T8462] n_tty_write+0xcc2/0x1160 [ 48.641095][ T8462] ? wait_woken+0x250/0x250 [ 48.641106][ T8462] tty_write+0x585/0x8f0 [ 48.641118][ T8462] ? n_tty_read+0x1b40/0x1b40 [ 48.641126][ T8462] ? redirected_tty_write+0xb0/0xb0 [ 48.641135][ T8462] vfs_write+0x220/0xab0 [ 48.641152][ T8462] ? __fdget_pos+0x1d5/0x2e0 [ 48.641162][ T8462] ksys_write+0x11b/0x220 [ 48.641173][ T8462] do_syscall_64+0x2d/0x70 [ 48.641180][ T8462] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.641186][ T8462] RIP: 0033:0x444839 [ 48.641192][ T8462] Code: e8 bc af 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 9b d7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 48.641196][ T8462] RSP: 002b:00007ffeb806aaf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.641205][ T8462] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000444839 [ 48.641210][ T8462] RDX: 0000000000001006 RSI: 00000000200002c0 RDI: 0000000000000005 [ 48.641214][ T8462] RBP: 00000000006d0018 R08: 00000000004002e0 R09: 00000000004002e0 [ 48.641219][ T8462] R10: 000000000000000d R11: 0000000000000246 R12: 0000000000402460 [ 48.641224][ T8462] R13: 00000000004024f0 R14: 0000000000000000 R15: 0000000000000000 [ 48.642018][ T8462] Kernel Offset: disabled [ 49.308279][ T8462] Rebooting in 86400 seconds..