| Message ID | 20240531090611.2972737-1-lizhi.xu@windriver.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | [V4] ext4: check hash version and filesystem casefolded consistent | expand |
On Fri, May 31, 2024 at 05:06:11PM +0800, 'Lizhi Xu' via syzkaller-bugs wrote: > 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 | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/fs/ext4/super.c b/fs/ext4/super.c > index c682fb927b64..0ad326504c50 100644 > --- a/fs/ext4/super.c > +++ b/fs/ext4/super.c > @@ -5262,6 +5262,11 @@ 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)) { > + err = -EINVAL; > + goto failed_mount; > + } For the third time: you need to use the correct mailing lists. Please follow Documentation/process/submitting-patches.rst. - Eric
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index c682fb927b64..0ad326504c50 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -5262,6 +5262,11 @@ 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)) { + err = -EINVAL; + goto failed_mount; + } err = ext4_handle_clustersize(sb); if (err)
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 | 5 +++++ 1 file changed, 5 insertions(+)