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Merge branch 'wip/carlosg/utf8-strreverse-invalid-writes' into 'master'

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gutf8: Assert that written memory stays in bounds

See merge request GNOME/glib!1026
This commit is contained in:
Philip Withnall
2019-08-12 10:39:11 +00:00
parent 870b30bd7c 154f6cafa9
commit 6d7143e91d
1 changed files with 1 additions and 0 deletions
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glib/gutf8.c
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@@ -1773,6 +1773,7 @@ g_utf8_strreverse (const gchar *str,
{ {
gchar *m, skip = g_utf8_skip[*(guchar*) p]; gchar *m, skip = g_utf8_skip[*(guchar*) p];
r -= skip; r -= skip;
g_assert (r >= result);
for (m = r; skip; skip--) for (m = r; skip; skip--)
*m++ = *p++; *m++ = *p++;
} }