e2fsprogs/SOURCES/e2fsprogs-1.45.6-lib-ss-error.c-check-return-value-malloc-in-ss_name.patch

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2022-09-27 20:06:06 +00:00
From 693c06539f0c168c6edf32d25b4c64835a1e3f31 Mon Sep 17 00:00:00 2001
From: Zhiqiang Liu <liuzhiqiang26@huawei.com>
Date: Wed, 30 Jun 2021 16:27:21 +0800
Subject: [PATCH 32/46] lib/ss/error.c: check return value malloc in ss_name()
Content-Type: text/plain
In ss_name(), we should check return value of malloc(),
otherwise, it may cause a segmentation fault problem.
Signed-off-by: Zhiqiang Liu <liuzhiqiang26@huawei.com>
Signed-off-by: Wu Guanghao <wuguanghao3@huawei.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Lukas Czerner <lczerner@redhat.com>
---
lib/ss/error.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/lib/ss/error.c b/lib/ss/error.c
index 8d345a9f..656b71be 100644
--- a/lib/ss/error.c
+++ b/lib/ss/error.c
@@ -42,6 +42,8 @@ char *ss_name(int sci_idx)
(strlen(infop->subsystem_name)+
strlen(infop->current_request)+
4));
+ if (ret_val == (char *)NULL)
+ return ((char *)NULL);
cp = ret_val;
cp1 = infop->subsystem_name;
while (*cp1)
--
2.35.1