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: Wed, 7 Apr 2021 15:42:01 +0000 From: Leah Rumancik <leah.rumancik@...il.com> To: linux-ext4@...r.kernel.org Cc: Leah Rumancik <leah.rumancik@...il.com> Subject: [PATCH v2 1/2] ext4: wipe filename upon file deletion Zero out filename and file type fields when file is deleted. Signed-off-by: Leah Rumancik <leah.rumancik@...il.com> --- fs/ext4/namei.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 883e2a7cd4ab..0147c86de99e 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -2492,6 +2492,10 @@ int ext4_generic_delete_entry(struct inode *dir, else de->inode = 0; inode_inc_iversion(dir); + + memset(de_del->name, 0, de_del->name_len); + memset(&de_del->file_type, 0, sizeof(__u8)); + return 0; } i += ext4_rec_len_from_disk(de->rec_len, blocksize); -- 2.31.0.208.g409f899ff0-goog
Powered by blists - more mailing lists