[PATCH] String copy limiting fixes
Avoid overflows when we can.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/stat.c b/stat.c
index 518d14d..0ae19b2 100644
--- a/stat.c
+++ b/stat.c
@@ -189,7 +189,7 @@
{
struct fio_file *f;
struct stat st;
- char foo[256], tmp[256];
+ char foo[PATH_MAX], tmp[PATH_MAX];
dev_t dev;
char *p;
@@ -209,7 +209,7 @@
/*
* must be a file, open "." in that path
*/
- strcpy(foo, f->file_name);
+ strncpy(foo, f->file_name, PATH_MAX - 1);
p = dirname(foo);
if (stat(p, &st)) {
perror("disk util stat");
@@ -239,7 +239,7 @@
log_err("unknown sysfs layout\n");
return;
}
- strcpy(tmp, p);
+ strncpy(tmp, p, PATH_MAX - 1);
sprintf(foo, "%s", tmp);
}