shithub: mp3dec

Download patch

ref: aa2801e1128d3d69ed805483e0369ab18ad556b3
parent: 0da45b1cc712fe1b10a0ebd76d9dcd1391f040f8
author: lieff <[email protected]>
date: Sun Feb 11 13:43:13 EST 2018

fix ubsan warning found by afl

--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@
 | Keyj minimp3 | Current |
 | ------------ | ------- |
 | Fixed point  | Floating point |
-| source: 84kb | 69kb |
+| source: 84kb | 70kb |
 | binary: 34kb (20kb compressed) | 30kb (20kb) |
 | no vector opts | SSE/NEON intrinsics |
 | no free format | free format support |
--- a/minimp3.h
+++ b/minimp3.h
@@ -613,7 +613,7 @@
 static void L3_read_scalefactors(uint8_t *scf, uint8_t *ist_pos, const uint8_t *scf_size, const uint8_t *scf_count, bs_t *bitbuf, int scfsi)
 {
     int i, k;
-    for (i = 0; i < 4 && scf_count[i]; i++, scfsi <<= 1)
+    for (i = 0; i < 4 && scf_count[i]; i++, scfsi *= 2)
     {
         int cnt = scf_count[i];
         if (scfsi & 8)