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