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-rw-r--r--regex.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/regex.c b/regex.c
index 206e99a..9a38c00 100644
--- a/regex.c
+++ b/regex.c
@@ -2897,6 +2897,7 @@ re_compile_fastmap(bufp)
case duplicate:
bufp->can_be_null = 1;
+ if (*p >= bufp->re_nsub) break;
fastmap['\n'] = 1;
case anychar_repeat:
case anychar:
@@ -3740,6 +3741,8 @@ re_match(bufp, string_arg, size, pos, regs)
int regno = *p++; /* Get which register to match against */
register unsigned char *d2, *dend2;
+ /* Check if there's corresponding group */
+ if (regno >= num_regs) goto fail;
/* Check if corresponding group is still open */
if (IS_ACTIVE(reg_info[regno])) goto fail;