In lsattr_dir_proc(), if malloc() return NULL, it will cause a segmentation fault problem. Signed-off-by: Zhiqiang Liu <liuzhiqiang26@xxxxxxxxxx> Signed-off-by: Wu Guanghao <wuguanghao3@xxxxxxxxxx> --- misc/lsattr.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/misc/lsattr.c b/misc/lsattr.c index 0d954376..f3212069 100644 --- a/misc/lsattr.c +++ b/misc/lsattr.c @@ -144,6 +144,12 @@ static int lsattr_dir_proc (const char * dir_name, struct dirent * de, int dir_len = strlen(dir_name); path = malloc(dir_len + strlen (de->d_name) + 2); + if (!path) { + fprintf(stderr, "%s", + _("Couldn't allocate path variable " + "in lsattr_dir_proc")); + return -1; + } if (dir_len && dir_name[dir_len-1] == '/') sprintf (path, "%s%s", dir_name, de->d_name); --