From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: [FFmpeg-devel] [PATCH 1/6] avcodec/aac/aacdec: Clear SFO on error
Date: Sun, 9 Feb 2025 03:24:16 +0100
Message-ID: <20250209022421.2346210-1-michael@niedermayer.cc> (raw)
types and SFO become confused for a USAC stream
Fixes: out of array access
Fixes: 383854203/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_LATM_fuzzer-4996677847547904.fuzz
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
libavcodec/aac/aacdec.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libavcodec/aac/aacdec.c b/libavcodec/aac/aacdec.c
index c0850853b45..8d50ad6d095 100644
--- a/libavcodec/aac/aacdec.c
+++ b/libavcodec/aac/aacdec.c
@@ -1747,6 +1747,7 @@ int ff_aac_decode_ics(AACDecContext *ac, SingleChannelElement *sce,
return 0;
fail:
+ memset(sce->sfo, 0, sizeof(sce->sfo));
tns->present = 0;
return ret;
}
--
2.48.1
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next reply other threads:[~2025-02-09 2:24 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-09 2:24 Michael Niedermayer [this message]
2025-02-09 2:24 ` [FFmpeg-devel] [PATCH 2/6] avcodec/aac/aacdec_usac: Simplify decode_usac_scale_factors() Michael Niedermayer
2025-02-09 2:24 ` [FFmpeg-devel] [PATCH 3/6] avcodec/aac/aacdec_usac: Fix memory deallocation of pl_data Michael Niedermayer
2025-02-10 16:34 ` Andreas Rheinhardt
2025-02-09 2:24 ` [FFmpeg-devel] [PATCH 4/6] avcodec/aac/aacdec_lpd: Limit get_unary() Michael Niedermayer
2025-02-09 2:24 ` [FFmpeg-devel] [PATCH 5/6] avformat/iff: Check that we have a stream in read_dst_frame() Michael Niedermayer
2025-02-09 7:16 ` Peter Ross
2025-02-09 2:24 ` [FFmpeg-devel] [PATCH 6/6] avcodec/rv60dec: Initialize slice gb with actually allocated size Michael Niedermayer
2025-02-09 7:17 ` Peter Ross
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