Johan Hovold 55f261b73a ALSA: ua101: fix division by zero at probe ... Add the missing endpoint max-packet sanity check to probe() to avoid division by zero in alloc_stream_buffers() in case a malicious device has broken descriptors (or when doing descriptor fuzz testing). Note that USB core will reject URBs submitted for endpoints with zero wMaxPacketSize but that drivers doing packet-size calculations still need to handle this (cf. commit 2548288b4f ("USB: Fix: Don't skip endpoint descriptors with maxpacket=0")). Fixes: 63978ab3e3 ("sound: add Edirol UA-101 support") Cc: stable@vger.kernel.org # 2.6.34 Signed-off-by: Johan Hovold <johan@kernel.org> Link: https://lore.kernel.org/r/20211026095401.26522-1-johan@kernel.org Signed-off-by: Takashi Iwai <tiwai@suse.de>		2021-10-27 08:23:30 +02:00
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Makefile	…
ua101.c	ALSA: ua101: fix division by zero at probe	2021-10-27 08:23:30 +02:00