lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Fri, 26 Jun 2020 13:49:59 +0800 From: Chengguang Xu <cgxu519@...ernel.net> To: jack@...e.com Cc: linux-ext4@...r.kernel.org, Chengguang Xu <cgxu519@...ernel.net> Subject: [PATCH] ext2: initialize quota info in ext2_xattr_set() In order to correctly account/limit space usage, should initialize quota info before calling quota related functions. Signed-off-by: Chengguang Xu <cgxu519@...ernel.net> --- fs/ext2/xattr.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c index 943cc469f42f..913e5c4921ec 100644 --- a/fs/ext2/xattr.c +++ b/fs/ext2/xattr.c @@ -437,6 +437,9 @@ ext2_xattr_set(struct inode *inode, int name_index, const char *name, name_len = strlen(name); if (name_len > 255 || value_len > sb->s_blocksize) return -ERANGE; + error = dquot_initialize(inode); + if (error) + return error; down_write(&EXT2_I(inode)->xattr_sem); if (EXT2_I(inode)->i_file_acl) { /* The inode already has an extended attribute block. */ -- 2.26.2
Powered by blists - more mailing lists