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authorMichael Niedermayer <michael@niedermayer.cc>2023-02-18 23:08:59 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2023-02-23 23:17:10 +0100
commit4dee46426e6d23adda048414433c2887314a4267 (patch)
treee1fa8d6a66401a5b4d75f6764bfa33d0ebedef66 /libavcodec/wavarc.c
parent2df271c78cd4b7d481a2d34abb71a2450b43c7e2 (diff)
avcodec/wavarc: Check k
Fixes: Assertion failure Fixes: 55849/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WAVARC_fuzzer-6590105973555200 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/wavarc.c')
-rw-r--r--libavcodec/wavarc.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/wavarc.c b/libavcodec/wavarc.c
index b626daa66e..8d37af9571 100644
--- a/libavcodec/wavarc.c
+++ b/libavcodec/wavarc.c
@@ -192,6 +192,8 @@ static int decode_1dif(AVCodecContext *avctx,
if (block_type < 4 && block_type >= 0) {
k = 1 + (avctx->sample_fmt == AV_SAMPLE_FMT_S16P);
k = get_urice(gb, k) + 1;
+ if (k > 32)
+ return AVERROR_INVALIDDATA;
}
switch (block_type) {
@@ -282,6 +284,8 @@ static int decode_2slp(AVCodecContext *avctx,
if (block_type < 5 && block_type >= 0) {
k = 1 + (avctx->sample_fmt == AV_SAMPLE_FMT_S16P);
k = get_urice(gb, k) + 1;
+ if (k > 32)
+ return AVERROR_INVALIDDATA;
}
switch (block_type) {