diff mbox series

[09/12] lib/ss/error.c: check return value malloc in ss_name()

Message ID f9c1241d-2cd4-32f2-230b-db5db16eb901@huawei.com
State Superseded
Headers show
Series e2fsprogs: some bugfixs and some code cleanups | expand

Commit Message

wuguanghao May 24, 2021, 11:24 a.m. UTC 
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>
---
 lib/ss/error.c | 2 ++
 1 file changed, 2 insertions(+)

--
diff mbox series

Patch

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)