------------[ cut here ]------------
URB 0000000089308516 submitted while active
WARNING: CPU: 0 PID: 26793 at drivers/usb/core/urb.c:363 usb_submit_urb+0xe3d/0x13e0 drivers/usb/core/urb.c:363
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 26793 Comm: syz-executor.2 Not tainted 5.8.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1f0/0x31e lib/dump_stack.c:118
 panic+0x264/0x7a0 kernel/panic.c:231
 __warn+0x227/0x250 kernel/panic.c:600
 report_bug+0x1b1/0x2e0 lib/bug.c:198
 handle_bug+0x42/0x80 arch/x86/kernel/traps.c:235
 exc_invalid_op+0x16/0x40 arch/x86/kernel/traps.c:255
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:542
RIP: 0010:usb_submit_urb+0xe3d/0x13e0 drivers/usb/core/urb.c:363
Code: 00 04 00 00 eb 50 e8 12 c4 39 fc eb 49 e8 0b c4 39 fc c6 05 aa 51 2e 04 01 48 c7 c7 d0 92 ff 88 4c 89 ee 31 c0 e8 53 8a 0b fc <0f> 0b e9 38 f2 ff ff e8 e7 c3 39 fc c7 04 24 80 00 00 00 eb 17 e8
RSP: 0018:ffffc9001de8f308 EFLAGS: 00010246
RAX: ff64179716fe1b00 RBX: ffff88809f633708 RCX: 0000000000040000
RDX: ffffc9000d891000 RSI: 0000000000008d52 RDI: 0000000000008d53
RBP: 0000000000000cc0 R08: ffffffff815dd419 R09: ffffed1015d062c0
R10: ffffed1015d062c0 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff88809f633700 R14: dffffc0000000000 R15: ffff88805cc9a000
 snd_usbmidi_submit_urb sound/usb/midi.c:194 [inline]
 snd_usbmidi_input_start_ep sound/usb/midi.c:2313 [inline]
 snd_usbmidi_input_start+0x15f/0x7a0 sound/usb/midi.c:2329
 substream_open+0x22b/0x6e0 sound/usb/midi.c:1119
 open_substream+0x369/0x6a0 sound/core/rawmidi.c:299
 rawmidi_open_priv+0x99/0x900 sound/core/rawmidi.c:342
 snd_rawmidi_kernel_open+0x1db/0x270 sound/core/rawmidi.c:382
 midisynth_subscribe+0x93/0x280 sound/core/seq/seq_midi.c:170
 subscribe_port sound/core/seq/seq_ports.c:412 [inline]
 check_and_subscribe_port+0x63c/0xb20 sound/core/seq/seq_ports.c:495
 snd_seq_port_connect+0x20f/0x460 sound/core/seq/seq_ports.c:564
 snd_seq_ioctl_subscribe_port+0x349/0x6c0 sound/core/seq/seq_clientmgr.c:1484
 snd_seq_oss_midi_open+0x4db/0x830 sound/core/seq/oss/seq_oss_midi.c:364
 snd_seq_oss_synth_setup_midi+0x108/0x510 sound/core/seq/oss/seq_oss_synth.c:269
 snd_seq_oss_open+0x899/0xe90 sound/core/seq/oss/seq_oss_init.c:261
 odev_open+0x5e/0x90 sound/core/seq/oss/seq_oss.c:125
 chrdev_open+0x498/0x580 fs/char_dev.c:414
 do_dentry_open+0x813/0x1070 fs/open.c:828
 do_open fs/namei.c:3243 [inline]
 path_openat+0x278d/0x37f0 fs/namei.c:3360
 do_filp_open+0x191/0x3a0 fs/namei.c:3387
 do_sys_openat2+0x463/0x770 fs/open.c:1179
 do_sys_open fs/open.c:1195 [inline]
 __do_sys_openat fs/open.c:1209 [inline]
 __se_sys_openat fs/open.c:1204 [inline]
 __x64_sys_openat+0x1c8/0x1f0 fs/open.c:1204
 do_syscall_64+0x73/0xe0 arch/x86/entry/common.c:384
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45cba9
Code: Bad RIP value.
RSP: 002b:00007f6e21df6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00000000004fa1c0 RCX: 000000000045cba9
RDX: 0000000000000000 RSI: 0000000020000000 RDI: ffffffffffffff9c
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000813 R14: 00000000004caf66 R15: 00007f6e21df76d4
Kernel Offset: disabled
Rebooting in 86400 seconds..