Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-27 13:22:23 +00:00
Code Issues Packages Projects Releases Wiki Activity

s390/dcss: array index 'i' is used before limits check.

Browse Source 
Avoid out-of-bounds-read by checking count before indexing.

Signed-off-by : Ameen Ali <Ameenali023@gmail.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Ameen Ali 2015-02-24 18:41:50 +02:00 committed by Martin Schwidefsky
parent a13ccb04af
commit 3a9f9183bd
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/s390/block/dcssblk.c
View File

@ -547,7 +547,7 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char
* parse input
*/
num_of_segments = 0;
for (i = 0; ((buf[i] != '\0') && (buf[i] != '\n') && i < count); i++) {
for (i = 0; (i < count && (buf[i] != '\0') && (buf[i] != '\n')); i++) {
for (j = i; (buf[j] != ':') &&
(buf[j] != '\0') &&
(buf[j] != '\n') &&