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demux_edl: don't try to extract dirname from self-expanding protocols 

Fixes infinite recursion. Trying to extract dirname from string of
memory://<data> is not really a good idea.

Found by OSS-Fuzz.
This commit is contained in:
Kacper Michajłow 2024-07-10 20:02:53 +02:00
parent 14571f0f77
commit 66fdec8a67
1 changed files with 6 additions and 1 deletions
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7
demux/demux_edl.c
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@ -567,8 +567,13 @@ error:
static void fix_filenames(struct tl_parts *parts, char *source_path)
{
if (!bstrcasecmp0(mp_split_proto(bstr0(source_path), NULL), "edl"))
bstr proto = mp_split_proto(bstr0(source_path), NULL);
// Don't adjust self-expanding protocols
if (!bstrcasecmp0(proto, "memory") || !bstrcasecmp0(proto, "lavf") ||
!bstrcasecmp0(proto, "hex") || !bstrcasecmp0(proto, "edl"))
{
return;
}
struct bstr dirname = mp_dirname(source_path);
for (int n = 0; n < parts->num_parts; n++) {
struct tl_part *part = &parts->parts[n];