You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
25 lines
744 B
25 lines
744 B
8 months ago
|
commit a746c35822e557766d1871ec976490a71e6962d9
|
||
|
|
Author: Zhi Li <yieli@redhat.com>
|
||
|
|
Date: Wed Apr 5 12:08:10 2023 -0400
|
||
|
|
|
||
|
|
rpcdebug: avoid buffer underflow if read() returns 0
|
||
|
|
|
||
|
|
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=2176740
|
||
|
|
|
||
|
|
Signed-off-by: Zhi Li <yieli@redhat.com>
|
||
|
|
Signed-off-by: Steve Dickson <steved@redhat.com>
|
||
|
|
|
||
|
|
diff --git a/tools/rpcdebug/rpcdebug.c b/tools/rpcdebug/rpcdebug.c
|
||
|
|
index 68206cc5..ec05179e 100644
|
||
|
|
--- a/tools/rpcdebug/rpcdebug.c
|
||
|
|
+++ b/tools/rpcdebug/rpcdebug.c
|
||
|
|
@@ -257,7 +257,7 @@ get_flags(char *module)
|
||
|
|
perror(filename);
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
- if ((len = read(sysfd, buffer, sizeof(buffer))) < 0) {
|
||
|
|
+ if ((len = read(sysfd, buffer, sizeof(buffer))) <= 0) {
|
||
|
|
perror("read");
|
||
|
|
exit(1);
|
||
|
|
}
|