From: Lizhi Xu <lizhi.xu@windriver.com>
To: <ebiggers@kernel.org>
Cc: <adilger.kernel@dilger.ca>, <coreteam@netfilter.org>,
<davem@davemloft.net>, <fw@strlen.de>, <jaegeuk@kernel.org>,
<kadlec@netfilter.org>, <kuba@kernel.org>,
<linux-ext4@vger.kernel.org>, <linux-fscrypt@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <lizhi.xu@windriver.com>,
<netdev@vger.kernel.org>, <netfilter-devel@vger.kernel.org>,
<pablo@netfilter.org>,
<syzbot+340581ba9dceb7e06fb3@syzkaller.appspotmail.com>,
<syzkaller-bugs@googlegroups.com>, <tytso@mit.edu>
Subject: [PATCH V3] ext4: check hash version and filesystem casefolded consistent
Date: Fri, 31 May 2024 16:56:47 +0800 [thread overview]
Message-ID: <20240531085647.2918240-1-lizhi.xu@windriver.com> (raw)
In-Reply-To: <20240531033407.GB6505@sol.localdomain>
When mounting the ext4 filesystem, if the hash version and casefolded are not
consistent, exit the mounting.
Reported-by: syzbot+340581ba9dceb7e06fb3@syzkaller.appspotmail.com
Signed-off-by: Lizhi Xu <lizhi.xu@windriver.com>
---
fs/ext4/super.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index c682fb927b64..c0036e3922c2 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -5262,6 +5262,9 @@ static int __ext4_fill_super(struct fs_context *fc, struct super_block *sb)
goto failed_mount;
ext4_hash_info_init(sb);
+ if (es->s_def_hash_version == DX_HASH_SIPHASH &&
+ !ext4_has_feature_casefold(sb))
+ goto failed_mount;
err = ext4_handle_clustersize(sb);
if (err)
--
2.43.0
next prev parent reply other threads:[~2024-05-31 8:57 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-29 20:41 [syzbot] [fscrypt?] WARNING in fscrypt_fname_siphash syzbot
2024-05-30 7:41 ` [PATCH] ext4: add casefolded file check Lizhi Xu
2024-05-31 1:05 ` Eric Biggers
2024-05-31 1:47 ` Lizhi Xu
2024-05-31 2:20 ` Eric Biggers
2024-05-31 3:07 ` [PATCH V2] ext4: add casefolded feature check before setup encrypted info Lizhi Xu
2024-05-31 3:11 ` Eric Biggers
2024-05-31 8:58 ` kernel test robot
2024-05-31 9:06 ` [PATCH V4] ext4: check hash version and filesystem casefolded consistent Lizhi Xu
2024-05-31 18:55 ` Eric Biggers
2024-06-01 11:37 ` [PATCH V5] " Lizhi Xu
2024-06-03 14:50 ` Gabriel Krisman Bertazi
2024-06-04 1:17 ` Lizhi Xu
2024-06-04 19:06 ` Gabriel Krisman Bertazi
2024-06-05 1:16 ` Lizhi Xu
2024-06-05 1:23 ` [PATCH V6] fs/ext4: Filesystem without casefold feature cannot be mounted with spihash Lizhi Xu
2024-08-22 15:00 ` Theodore Ts'o
2024-08-27 20:16 ` [PATCH] ext4: Fix error message when rejecting the default hash Gabriel Krisman Bertazi
2024-09-05 14:53 ` Theodore Ts'o
2024-06-06 6:27 ` [PATCH V5] ext4: check hash version and filesystem casefolded consistent Eric Biggers
2024-05-31 3:30 ` [PATCH V2] ext4: add casefolded feature check before setup encrypted info Lizhi Xu
2024-05-31 3:34 ` Eric Biggers
2024-05-31 8:56 ` Lizhi Xu [this message]
2024-06-04 9:27 ` [PATCH V3] ext4: check hash version and filesystem casefolded consistent Dan Carpenter
2024-06-04 9:36 ` Lizhi Xu
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20240531085647.2918240-1-lizhi.xu@windriver.com \
--to=lizhi.xu@windriver.com \
--cc=adilger.kernel@dilger.ca \
--cc=coreteam@netfilter.org \
--cc=davem@davemloft.net \
--cc=ebiggers@kernel.org \
--cc=fw@strlen.de \
--cc=jaegeuk@kernel.org \
--cc=kadlec@netfilter.org \
--cc=kuba@kernel.org \
--cc=linux-ext4@vger.kernel.org \
--cc=linux-fscrypt@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=netdev@vger.kernel.org \
--cc=netfilter-devel@vger.kernel.org \
--cc=pablo@netfilter.org \
--cc=syzbot+340581ba9dceb7e06fb3@syzkaller.appspotmail.com \
--cc=syzkaller-bugs@googlegroups.com \
--cc=tytso@mit.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).