Magic-Mirror/radare2
1
0
Fork 0
mirror of https://github.com/radareorg/radare2.git synced 2025-03-05 21:13:27 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Fix #7150 - null dereference in regcomp.c

Browse Source
This commit is contained in:
alvarofe 2017-03-27 21:56:58 +02:00
parent 5c820132f6
commit 0cdd14e422
1 changed files with 12 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
libr/util/regex/regcomp.c
View File

@ -183,21 +183,25 @@ R_API int r_regex_flags(const char *f) {
R_API void r_regex_fini(RRegex *preg) {
struct re_guts *g;
if (preg->re_magic != MAGIC1) /* oops */
if (!preg) {
return;
}
if (preg->re_magic != MAGIC1) { /* oops */
return; /* nice to complain, but hard */
}
g = preg->re_g;
if (!g || g->magic != MAGIC2) /* oops again */
if (!g || g->magic != MAGIC2) { /* oops again */
return;
}
preg->re_magic = 0; /* mark it invalid */
g->magic = 0; /* mark it invalid */
free(g->strip);
free(g->sets);
free(g->setbits);
free(g->must);
free(g);
free (g->strip);
free (g->sets);
free (g->setbits);
free (g->must);
free (g);
}
R_API void r_regex_free(RRegex *preg) {