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

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To: Eric Biggers <ebiggers@xxxxxxxxxx>
Subject: Re: oopsably broken case-insensitive support in ext4 and f2fs (Re: vfat: Broken case-insensitive support for UTF-8)
From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Date: Fri, 24 Jan 2020 09:47:53 -0800
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>, OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>, Pali Rohár <pali.rohar@xxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, linux-fsdevel <linux-fsdevel@xxxxxxxxxxxxxxx>, "Theodore Y. Ts'o" <tytso@xxxxxxx>, Namjae Jeon <linkinjeon@xxxxxxxxx>, Gabriel Krisman Bertazi <krisman@xxxxxxxxxxxxx>
In-reply-to: <20200124042953.GA832@sol.localdomain>

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.

              Linus

Follow-Ups:
- Re: oopsably broken case-insensitive support in ext4 and f2fs (Re: vfat: Broken case-insensitive support for UTF-8)
  - From: Jaegeuk Kim

References:
- vfat: Broken case-insensitive support for UTF-8
  - From: Pali Rohár
- Re: vfat: Broken case-insensitive support for UTF-8
  - From: OGAWA Hirofumi
- Re: vfat: Broken case-insensitive support for UTF-8
  - From: Al Viro
- Re: vfat: Broken case-insensitive support for UTF-8
  - From: Al Viro
- oopsably broken case-insensitive support in ext4 and f2fs (Re: vfat: Broken case-insensitive support for UTF-8)
  - From: Al Viro
- Re: oopsably broken case-insensitive support in ext4 and f2fs (Re: vfat: Broken case-insensitive support for UTF-8)
  - From: Al Viro
- Re: oopsably broken case-insensitive support in ext4 and f2fs (Re: vfat: Broken case-insensitive support for UTF-8)
  - From: Eric Biggers

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