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Code Issues Releases Activity

avformat/hlsenc: fix Explicit null dereferenced in hlsenc

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CID: 1398228
Passing null pointer dirname to strlen, which dereferences it.

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
This commit is contained in:
Steven Liu
2017-01-06 06:29:12 +08:00
parent fd0716b364
commit 57ae94a3c0
1 changed files with 2 additions and 2 deletions
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4
libavformat/hlsenc.c
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@@ -285,8 +285,8 @@ static int hls_delete_old_segments(HLSContext *hls) {
path, strerror(errno)); path, strerror(errno));
} }
if (segment->sub_filename[0] != '\0') { if ((segment->sub_filename[0] != '\0')) {
sub_path_size = strlen(dirname) + strlen(segment->sub_filename) + 1; sub_path_size = strlen(segment->sub_filename) + 1 + (dirname ? strlen(dirname) : 0);
sub_path = av_malloc(sub_path_size); sub_path = av_malloc(sub_path_size);
if (!sub_path) { if (!sub_path) {
ret = AVERROR(ENOMEM); ret = AVERROR(ENOMEM);