diff options
| author | Zhiqiang Liu <liuzhiqiang26@huawei.com> | 2021-07-28 09:56:48 +0800 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2021-08-02 22:35:02 -0400 |
| commit | c8e9e0135b3eb0d8a18387d58645e7cc1062da58 (patch) | |
| tree | d0dbd53fe4d11d0be6e41ce75828c7dc582b1961 | |
| parent | 212827d1909d66f57bb76524c18c113d6bc71909 (diff) | |
| download | e2fsprogs-c8e9e0135b3eb0d8a18387d58645e7cc1062da58.tar.gz | |
lsattr: check whether path is NULL in lsattr_dir_proc()
In lsattr_dir_proc(), if malloc() return NULL, it will cause
a segmentation fault problem.
Signed-off-by: Zhiqiang Liu <liuzhiqiang26@huawei.com>
Signed-off-by: Wu Guanghao <wuguanghao3@huawei.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
| -rw-r--r-- | misc/lsattr.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/misc/lsattr.c b/misc/lsattr.c index 0d9543762..55080e92a 100644 --- a/misc/lsattr.c +++ b/misc/lsattr.c @@ -144,6 +144,11 @@ 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) { + fputs(_("Couldn't allocate path variable in lsattr_dir_proc\n"), + stderr); + return -1; + } if (dir_len && dir_name[dir_len-1] == '/') sprintf (path, "%s%s", dir_name, de->d_name); |