------------[ cut here ]------------ URB 000000000a192c49 submitted while active WARNING: CPU: 1 PID: 9840 at drivers/usb/core/urb.c:363 usb_submit_urb+0x112f/0x1320 drivers/usb/core/urb.c:363 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 9840 Comm: syz-executor245 Not tainted 5.8.0-rc5-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+0x18f/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:231 __warn.cold+0x20/0x45 kernel/panic.c:600 report_bug+0x1bd/0x210 lib/bug.c:198 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:235 exc_invalid_op+0x13/0x40 arch/x86/kernel/traps.c:255 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:542 RIP: 0010:usb_submit_urb+0x112f/0x1320 drivers/usb/core/urb.c:363 Code: 89 de e8 24 01 5f fc 84 db 0f 85 3d fa ff ff e8 d7 04 5f fc 4c 89 fe 48 c7 c7 c0 04 cd 88 c6 05 3b 37 95 05 01 e8 23 45 30 fc <0f> 0b e9 1b fa ff ff c7 44 24 14 01 00 00 00 e9 3e f5 ff ff 41 bd RSP: 0018:ffffc9000d82f2a0 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888095e140c0 RSI: ffffffff815d4f87 RDI: fffff52001b05e46 RBP: ffff888097499c00 R08: 0000000000000001 R09: ffff8880ae7318e7 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: 00000000fffffff0 R14: ffff88809bb49e00 R15: ffff88809bb49e00 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.part.0+0x101/0x200 sound/usb/midi.c:2329 snd_usbmidi_input_start sound/usb/midi.c:1119 [inline] substream_open.isra.0+0x82c/0xc10 sound/usb/midi.c:1119 open_substream+0x42e/0x880 sound/core/rawmidi.c:299 rawmidi_open_priv+0x519/0x6f0 sound/core/rawmidi.c:342 snd_rawmidi_kernel_open+0x1b5/0x270 sound/core/rawmidi.c:382 midisynth_subscribe+0xf2/0x350 sound/core/seq/seq_midi.c:170 subscribe_port sound/core/seq/seq_ports.c:412 [inline] check_and_subscribe_port+0x89a/0xb80 sound/core/seq/seq_ports.c:495 snd_seq_port_connect+0x2e6/0x520 sound/core/seq/seq_ports.c:564 snd_seq_ioctl_subscribe_port+0x1fc/0x400 sound/core/seq/seq_clientmgr.c:1484 snd_seq_kernel_client_ctl+0xeb/0x130 sound/core/seq/seq_clientmgr.c:2353 snd_seq_oss_midi_open+0x466/0x6e0 sound/core/seq/oss/seq_oss_midi.c:364 snd_seq_oss_synth_setup_midi+0x123/0x520 sound/core/seq/oss/seq_oss_synth.c:269 snd_seq_oss_open+0x87e/0xa10 sound/core/seq/oss/seq_oss_init.c:261 odev_open+0x6c/0x90 sound/core/seq/oss/seq_oss.c:125 soundcore_open+0x445/0x600 sound/sound_core.c:593 chrdev_open+0x266/0x770 fs/char_dev.c:414 do_dentry_open+0x501/0x1290 fs/open.c:828 do_open fs/namei.c:3243 [inline] path_openat+0x1bb9/0x2750 fs/namei.c:3360 do_filp_open+0x17e/0x3c0 fs/namei.c:3387 do_sys_openat2+0x16f/0x3b0 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+0x13f/0x1f0 fs/open.c:1204 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:384 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x445799 Code: Bad RIP value. RSP: 002b:00007fffd386d578 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000445799 RDX: 0000000000000000 RSI: 0000000020000000 RDI: ffffffffffffff9c RBP: 000000000009f3c6 R08: 0000000000000000 R09: 00000000004002e0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402890 R13: 0000000000402920 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..