Re: [PATCH 6.6.y] ext4: filesystems without casefold feature cannot be mounted with siphash

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On Fri, Jan 24, 2025 at 02:23:17AM +0100, Rajani kantha wrote:
> From: Lizhi Xu <lizhi.xu@xxxxxxxxxxxxx>
> 
> [ upstream commit 985b67cd86392310d9e9326de941c22fc9340eec ]
> 
> When mounting the ext4 filesystem, if the default hash version is set to
> DX_HASH_SIPHASH but the casefold feature is not set, exit the mounting.
> 
> Reported-by: syzbot+340581ba9dceb7e06fb3@xxxxxxxxxxxxxxxxxxxxxxxxx
> Signed-off-by: Lizhi Xu <lizhi.xu@xxxxxxxxxxxxx>
> Link: https://patch.msgid.link/20240605012335.44086-1-lizhi.xu@xxxxxxxxxxxxx
> Signed-off-by: Theodore Ts'o <tytso@xxxxxxx>
> Signed-off-by: Rajani Kantha <rajanikantha@xxxxxxxxxxxx>
> ---
>  fs/ext4/super.c | 7 +++++++
>  1 file changed, 7 insertions(+)

Why are you submitting this for these 2 kernels?  Why are they required
for them?  You didn't provide any information here at all :(

And what about the fix for this commit?  You forgot that.  Please send a
proper series of backports and make sure you actually tested them.

thanks,

gre gk-h




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