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| author | Michael Niedermayer <michael@niedermayer.cc> | 2018-04-25 01:54:17 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-04-25 23:09:47 +0200 |
| commit | 0bd0401336df4e4ca7f3da6a7e226904fd7d5add (patch) | |
| tree | f6127099af91846f0dfb4195d9a9ee00305248e6 /libavcodec/elsdec.c | |
| parent | 144ce364cd2df752226115c243d92083291c9355 (diff) | |
| download | ffmpeg-0bd0401336df4e4ca7f3da6a7e226904fd7d5add.tar.gz | |
avcodec/elsdec: Fix memleaks
Fixes: 6798/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_G2M_fuzzer-5135899701542912
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/elsdec.c')
| -rw-r--r-- | libavcodec/elsdec.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/libavcodec/elsdec.c b/libavcodec/elsdec.c index 4797965457..cb0e9c6534 100644 --- a/libavcodec/elsdec.c +++ b/libavcodec/elsdec.c @@ -271,7 +271,7 @@ void ff_els_decoder_init(ElsDecCtx *ctx, const uint8_t *in, size_t data_size) void ff_els_decoder_uninit(ElsUnsignedRung *rung) { - av_free(rung->rem_rung_list); + av_freep(&rung->rem_rung_list); } static int els_import_byte(ElsDecCtx *ctx) @@ -391,12 +391,10 @@ unsigned ff_els_decode_unsigned(ElsDecCtx *ctx, ElsUnsignedRung *ur) if (ur->rung_list_size <= (ur->avail_index + 2) * sizeof(ElsRungNode)) { // remember rung_node position ptrdiff_t pos = rung_node - ur->rem_rung_list; - ur->rem_rung_list = av_realloc(ur->rem_rung_list, + ctx->err = av_reallocp(&ur->rem_rung_list, ur->rung_list_size + RUNG_SPACE); - if (!ur->rem_rung_list) { - av_free(ur->rem_rung_list); - ctx->err = AVERROR(ENOMEM); + if (ctx->err < 0) { return 0; } memset((uint8_t *) ur->rem_rung_list + ur->rung_list_size, 0, |