systemd/0883-pstore-fix-use-after-free.patch

35 lines
1.3 KiB
Diff

From 7f5bfbd5485e1cb779d7568cabb5783651fd9da3 Mon Sep 17 00:00:00 2001
From: Michael Olbrich <m.olbrich@pengutronix.de>
Date: Fri, 6 Sep 2019 15:04:01 +0200
Subject: [PATCH] pstore: fix use after free
The memory is still needed in the sd_journal_sendv() after the 'if' block.
(cherry picked from commit 1e19f5ac0d680a63eccae7ef1fc6ce225dca0bbf)
Related: #2158832
---
src/pstore/pstore.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/pstore/pstore.c b/src/pstore/pstore.c
index eb251d61c8..cafb1804c6 100644
--- a/src/pstore/pstore.c
+++ b/src/pstore/pstore.c
@@ -114,6 +114,7 @@ static int compare_pstore_entries(const void *_a, const void *_b) {
static int move_file(PStoreEntry *pe, const char *subdir) {
_cleanup_free_ char *ifd_path = NULL, *ofd_path = NULL;
+ _cleanup_free_ void *field = NULL;
const char *suffix, *message;
struct iovec iovec[2];
int n_iovec = 0, r;
@@ -135,7 +136,6 @@ static int move_file(PStoreEntry *pe, const char *subdir) {
iovec[n_iovec++] = IOVEC_MAKE_STRING(message);
if (pe->content_size > 0) {
- _cleanup_free_ void *field = NULL;
size_t field_size;
field_size = strlen("FILE=") + pe->content_size;