File lame-bits_per_sample.patch of Package lame
Description: Avoid malformed wav causing floating point exception (integer divide by zero)
Author: Fabian Greffrath <fabian+debian@greffrath.com>
Bug-Debian: https://bugs.debian.org/777159
--- a/frontend/get_audio.c
+++ b/frontend/get_audio.c
@@ -1448,6 +1448,10 @@ parse_wave_header(lame_global_flags * gf
else {
(void) lame_set_in_samplerate(gfp, global_reader.input_samplerate);
}
+ /* avoid division by zero */
+ if (bits_per_sample < 1)
+ return -1;
+
global. pcmbitwidth = bits_per_sample;
global. pcm_is_unsigned_8bit = 1;
global. pcm_is_ieee_float = (format_tag == WAVE_FORMAT_IEEE_FLOAT ? 1 : 0);