Re: oopsably broken case-insensitive support in ext4 and f2fs (Re: vfat: Broken case-insensitive support for UTF-8)

From: Jaegeuk Kim
Date: Fri Jan 24 2020 - 13:03:26 EST


On 01/24, Linus Torvalds wrote:
> On Thu, Jan 23, 2020 at 8:29 PM Eric Biggers <ebiggers@xxxxxxxxxx> wrote:
> >
> > Thanks Al. I sent out fixes for this:
>
> How did that f2fs_d_compare() function ever work? It was doing the
> memcmp on completely the wrong thing.

Urg.. my bad. I didn't do enough stress test on casefolding case which
is only activated given "mkfs -C utf8:strict". And Android hasn't enabled
it yet.

>
> Linus