linux-kernel - Re: [PATCH] fs/ntfs3: Use kvfree to free memory allocated by kvmalloc

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Date: Tue, 16 Jan 2024 11:50:03 +0100
From: "Linux regression tracking (Thorsten Leemhuis)"
 <regressions@...mhuis.info>
To: Konstantin Komarov <almaz.alexandrovich@...agon-software.com>,
 ntfs3@...ts.linux.dev
Cc: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
 Giovanni Santini <giovannisantini93@...oo.it>,
 Linux kernel regressions list <regressions@...ts.linux.dev>
Subject: Re: [PATCH] fs/ntfs3: Use kvfree to free memory allocated by kvmalloc

[/me jumps in here with something unrelated after unsuccessfully trying
to contact Konstantin in the past weeks]

On 16.01.24 09:26, Konstantin Komarov wrote:
> 
> Signed-off-by: Konstantin Komarov
> <almaz.alexandrovich@...agon-software.com>
> ---
>  fs/ntfs3/attrlist.c | 4 ++--
>  fs/ntfs3/bitmap.c   | 4 ++--
>  fs/ntfs3/frecord.c  | 4 ++--
>  fs/ntfs3/super.c    | 2 +-
>  4 files changed, 7 insertions(+), 7 deletions(-)> [...]

Hi Konstantin, glad you are still around. If you have a minute, could
you please take a look at the following bisected regression report? It
sounds there is something really wrong here:

https://bugzilla.kernel.org/show_bug.cgi?id=218180

In short:

"""
> The problem I am facing is the following:
> 1. I mount an NTFS partition via NTFS3
> 2. I create a file
> 3. I write to the file
> 4. The file is empty
> 5. I remount the partition
> 6. The file has the changes I made before the remount
>
> I can avoid the remount by doing:
> sudo sysctl vm.drop_caches=3
"""

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
--
Everything you wanna know about Linux kernel regression tracking:
https://linux-regtracking.leemhuis.info/about/#tldr
If I did something stupid, please tell me, as explained on that page.