selinux.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: "Jokke Hämäläinen" <jokke.hamalainen@kolttonen.fi>
To: selinux@vger.kernel.org
Subject: [PATCH 1/2] libsepol: Check strdup() failures
Date: Mon, 17 Jun 2019 15:02:11 +0300 (EEST)	[thread overview]
Message-ID: <alpine.LFD.2.21.1906171501370.6467@34-41-5D-CA-59-C7> (raw)


Check strdup() failures

Signed-off-by: Unto Sten <sten.unto@gmail.com>
---
 libsepol/src/kernel_to_conf.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/libsepol/src/kernel_to_conf.c b/libsepol/src/kernel_to_conf.c
index 4f84ee8b..5fb4e838 100644
--- a/libsepol/src/kernel_to_conf.c
+++ b/libsepol/src/kernel_to_conf.c
@@ -450,6 +450,10 @@ static int write_sids_to_conf(FILE *out, const char *const *sid_to_str,
 		} else {
 			snprintf(unknown, 18, "%s%u", "UNKNOWN", i);
 			sid = strdup(unknown);
+			if (!sid) {
+				rc = -1;
+				goto exit;
+			}
 		}
 		rc = strs_add_at_index(strs, sid, i);
 		if (rc != 0) {
@@ -792,6 +796,10 @@ static int write_sensitivity_rules_to_conf(FILE *out, struct policydb *pdb)
 			j = level->level->sens - 1;
 			if (!sens_alias_map[j]) {
 				sens_alias_map[j] = strdup(name);
+				if (!sens_alias_map[j]) {
+					rc = -1;
+					goto exit;
+				}
 			} else {
 				alias = sens_alias_map[j];
 				sens_alias_map[j] = create_str("%s %s", 2, alias, name);
@@ -919,6 +927,10 @@ static int write_category_rules_to_conf(FILE *out, struct policydb *pdb)
 			j = cat->s.value - 1;
 			if (!cat_alias_map[j]) {
 				cat_alias_map[j] = strdup(name);
+				if (!cat_alias_map[j]) {
+					rc = -1;
+					goto exit;
+				}
 			} else {
 				alias = cat_alias_map[j];
 				cat_alias_map[j] = create_str("%s %s", 2, alias, name);
-- 
2.21.0


                 reply	other threads:[~2019-06-17 12:02 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=alpine.LFD.2.21.1906171501370.6467@34-41-5D-CA-59-C7 \
    --to=jokke.hamalainen@kolttonen.fi \
    --cc=selinux@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).