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gio: fix OOB string access if filename is empty

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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This commit is contained in:
Marc-André Lureau 2022-02-16 18:50:17 +04:00
parent 2583a66ee7
commit 0f85eefb8b
1 changed files with 1 additions and 1 deletions
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2
gio/gcontenttype.c
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@ -780,7 +780,7 @@ g_content_type_guess (const gchar *filename,
if (filename) if (filename)
{ {
i = strlen (filename); i = strlen (filename);
if (filename[i - 1] == '/') if (i > 0 && filename[i - 1] == '/')
{ {
name_mimetypes[0] = "inode/directory"; name_mimetypes[0] = "inode/directory";
name_mimetypes[1] = NULL; name_mimetypes[1] = NULL;