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| author | Michael Niedermayer <michael@niedermayer.cc> | 2024-05-11 03:13:17 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2024-05-13 03:26:57 +0200 |
| commit | 2d216566f258badd07bc58de1e089b6e4175dc46 (patch) | |
| tree | be5cfda30569e6a36b6f038bfc692d83dfaa06e2 /libavutil/base64.c | |
| parent | 0664cbd732fd9d95037d9110b64fb2a32360de2c (diff) | |
| download | ffmpeg-2d216566f258badd07bc58de1e089b6e4175dc46.tar.gz | |
libavutil/base64: Try not to write over the array end
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavutil/base64.c')
| -rw-r--r-- | libavutil/base64.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libavutil/base64.c b/libavutil/base64.c index 3e66f4fcbe..69e11e6f5e 100644 --- a/libavutil/base64.c +++ b/libavutil/base64.c @@ -127,10 +127,12 @@ validity_check: } out3: - *dst++ = v >> 10; + if (end - dst) + *dst++ = v >> 10; v <<= 2; out2: - *dst++ = v >> 4; + if (end - dst) + *dst++ = v >> 4; out1: out0: return bits & 1 ? AVERROR_INVALIDDATA : out ? dst - out : 0; |