f2fs: fix to avoid memory leakage in f2fs_listxattr

Browse source

In f2fs_listxattr, there is no boundary check before
memcpy e_name to buffer.
If the e_name_len is corrupted,
unexpected memory contents may be returned to the buffer.

Signed-off-by: Randall Huang <huangrandall@google.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

...

This commit is contained in:

Randall Huang 2019-10-18 14:56:22 +08:00 • committed by Jaegeuk Kim

parent 9f701f6c77

commit 688078e7f3

1 changed files with 13 additions and 1 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

14

fs/f2fs/xattr.c

View file