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| author | Joerg Sonnenberger <joerg@bec.de> | 2017-04-28 23:32:32 +0200 |
|---|---|---|
| committer | Joerg Sonnenberger <joerg@bec.de> | 2017-04-28 23:32:32 +0200 |
| commit | 1e660621b4b00eaf4ef7a508aedf52c5a421bd2e (patch) | |
| tree | c03c1705fdbde2396653dac6db679c51ba2b7511 /libarchive/archive_string.c | |
| parent | b025f169ec7e301bc1ceeb66d6ad81369067484b (diff) | |
| download | libarchive-1e660621b4b00eaf4ef7a508aedf52c5a421bd2e.tar.gz | |
Short cut zero size to avoid notnull attribute for mmemove in glibc.
Reported-By: OSS-Fuzz issue 497
Diffstat (limited to 'libarchive/archive_string.c')
| -rw-r--r-- | libarchive/archive_string.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libarchive/archive_string.c b/libarchive/archive_string.c index 592ead2b..ca39c069 100644 --- a/libarchive/archive_string.c +++ b/libarchive/archive_string.c @@ -200,6 +200,8 @@ static int archive_string_append_unicode(struct archive_string *, static struct archive_string * archive_string_append(struct archive_string *as, const char *p, size_t s) { + if (s == 0) + return (as); if (archive_string_ensure(as, as->length + s + 1) == NULL) return (NULL); memmove(as->s + as->length, p, s); |