policycoreutils/0022-semodule-Don-t-forget-to-munmap-data.patch
Petr Lautrbach 2ffe12911e policycoreutils-3.3-2
- setfiles/restorecon: support parallel relabeling with -T <N> option
- semodule: add -m | --checksum option
2021-11-29 12:51:17 +01:00

33 lines
1.0 KiB
Diff

From 0c4e5d70fde006977e798d6cc7d80db2e8af7bb9 Mon Sep 17 00:00:00 2001
From: Petr Lautrbach <plautrba@redhat.com>
Date: Tue, 23 Nov 2021 17:38:51 +0100
Subject: [PATCH] semodule: Don't forget to munmap() data
semanage_module_extract() mmap()'s the module raw data but it leaves on
the caller to munmap() them.
Reported-by: Ondrej Mosnacek <omosnace@redhat.com>
Signed-off-by: Petr Lautrbach <plautrba@redhat.com>
Acked-by: James Carter <jwcart2@gmail.com>
---
policycoreutils/semodule/semodule.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/policycoreutils/semodule/semodule.c b/policycoreutils/semodule/semodule.c
index 57f005ce2c62..94a9d131bb79 100644
--- a/policycoreutils/semodule/semodule.c
+++ b/policycoreutils/semodule/semodule.c
@@ -394,6 +394,9 @@ static char *hash_module_data(const char *module_name, const int prio) {
sha256_buf[i * 2] = 0;
cleanup_extract:
+ if (data_len > 0) {
+ munmap(data, data_len);
+ }
semanage_module_info_destroy(sh, extract_info);
free(extract_info);
semanage_module_key_destroy(sh, modkey);
--
2.33.1