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Use *array() allocation functions where appropriate

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This prevents overflow from multiplication.

Signed-off-by: Alejandro Colomar <alx@kernel.org>
This commit is contained in:
Alejandro Colomar
2023-02-04 21:47:01 +01:00
committed by Serge Hallyn
parent 727275a027
commit 191f04f7dc
18 changed files with 26 additions and 26 deletions
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libmisc/addgrps.c
+2 -2
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@@ -46,7 +46,7 @@ int add_groups (const char *list)
i = 16;
for (;;) {
grouplist = (gid_t *) malloc (i * sizeof (GETGROUPS_T));
grouplist = (gid_t *) mallocarray (i, sizeof (GETGROUPS_T));
if (NULL == grouplist) {
return -1;
}
@@ -88,7 +88,7 @@ int add_groups (const char *list)
fputs (_("Warning: too many groups\n"), shadow_logfd);
break;
}
tmp = (gid_t *) realloc (grouplist, (size_t)(ngroups + 1) * sizeof (GETGROUPS_T));
tmp = (gid_t *) reallocarray (grouplist, (size_t)ngroups + 1, sizeof (GETGROUPS_T));
if (NULL == tmp) {
free (grouplist);
return -1;