------------[ cut here ]------------ URB 00000000ed6e6d9e submitted while active WARNING: CPU: 0 PID: 18548 at drivers/usb/core/urb.c:363 usb_submit_urb+0x10c1/0x13b0 drivers/usb/core/urb.c:363 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 18548 Comm: syz-executor.0 Not tainted 5.7.0-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+0x188/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:221 __warn.cold+0x2f/0x35 kernel/panic.c:582 report_bug+0x27b/0x2f0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:105 [inline] fixup_bug arch/x86/kernel/traps.c:100 [inline] do_error_trap+0x12b/0x220 arch/x86/kernel/traps.c:197 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:216 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:usb_submit_urb+0x10c1/0x13b0 drivers/usb/core/urb.c:363 Code: 89 de e8 f2 0e 65 fc 84 db 0f 85 42 f6 ff ff e8 b5 0d 65 fc 4c 89 fe 48 c7 c7 80 02 ac 88 c6 05 c9 dc 77 05 01 e8 e7 12 36 fc <0f> 0b e9 20 f6 ff ff c7 44 24 14 01 00 00 00 e9 d7 f6 ff ff 41 bd RSP: 0018:ffffc90004c0f2c0 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 000000000001a66e RSI: ffffffff815d29a7 RDI: fffff52000981e4a RBP: dffffc0000000000 R08: ffff8880496ac440 R09: ffffed1015cc670d R10: ffff8880ae633867 R11: ffffed1015cc670c R12: 0000000000000cc0 R13: 00000000fffffff0 R14: ffff888091258400 R15: ffff88809fbc3e00 snd_usbmidi_submit_urb+0x19/0x60 sound/usb/midi.c:194 snd_usbmidi_input_start_ep sound/usb/midi.c:2313 [inline] snd_usbmidi_input_start.part.0+0xbe/0x1c0 sound/usb/midi.c:2329 snd_usbmidi_input_start sound/usb/midi.c:1119 [inline] substream_open.isra.0+0x505/0x830 sound/usb/midi.c:1119 open_substream+0x42e/0x880 sound/core/rawmidi.c:299 rawmidi_open_priv+0x2e8/0x6e0 sound/core/rawmidi.c:342 snd_rawmidi_kernel_open+0x1b5/0x270 sound/core/rawmidi.c:382 midisynth_subscribe+0xf2/0x330 sound/core/seq/seq_midi.c:170 subscribe_port sound/core/seq/seq_ports.c:412 [inline] check_and_subscribe_port+0x5b5/0x800 sound/core/seq/seq_ports.c:495 snd_seq_port_connect+0x2e4/0x510 sound/core/seq/seq_ports.c:564 snd_seq_ioctl_subscribe_port+0x1df/0x310 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+0x3cb/0x640 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+0x7fa/0x980 sound/core/seq/oss/seq_oss_init.c:261 odev_open+0x6c/0x90 sound/core/seq/oss/seq_oss.c:125 soundcore_open+0x446/0x600 sound/sound_core.c:593 chrdev_open+0x219/0x5c0 fs/char_dev.c:414 do_dentry_open+0x546/0x1340 fs/open.c:828 do_open fs/namei.c:3229 [inline] path_openat+0x1e59/0x27d0 fs/namei.c:3346 do_filp_open+0x192/0x260 fs/namei.c:3373 do_sys_openat2+0x585/0x7d0 fs/open.c:1179 do_sys_open+0xc3/0x140 fs/open.c:1195 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x45ca69 Code: 0d 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 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f7780fbdc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00000000004f8580 RCX: 000000000045ca69 RDX: 0000000000000000 RSI: 0000000020000140 RDI: ffffffffffffff9c RBP: 000000000078bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000007dc R14: 00000000004cab2a R15: 00007f7780fbe6d4 Kernel Offset: disabled Rebooting in 86400 seconds..