tree ae2f05fa6f0c6e20205ed225dcf0cecaecbac14d
parent 0407e792783bff3d3fbc00cf660dc72ee3282afd
author Artem Egorkine <arteme@gmail.com> 1671965848 +0200
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1673089655 +0100

ALSA: line6: fix stack overflow in line6_midi_transmit

commit b8800d324abb50160560c636bfafe2c81001b66c upstream.

Correctly calculate available space including the size of the chunk
buffer. This fixes a buffer overflow when multiple MIDI sysex
messages are sent to a PODxt device.

Signed-off-by: Artem Egorkine <arteme@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20221225105728.1153989-2-arteme@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>