From: David Sterba <dsterba@suse.cz>
To: Qu Wenruo <wqu@suse.com>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: [PATCH v3 0/2] btrfs: migrate extent_buffer::pages[] to folio and more cleanups
Date: Thu, 7 Dec 2023 13:42:35 +0100 [thread overview]
Message-ID: <20231207124235.GV2751@twin.jikos.cz> (raw)
In-Reply-To: <cover.1701902977.git.wqu@suse.com>
On Thu, Dec 07, 2023 at 09:39:26AM +1030, Qu Wenruo wrote:
> [CHANGELOG]
> v2:
> - Add a new patch to do more cleanups for metadata page pointers usage
>
> v3:
> - Fix a bug in alloc_eb_folio_array() which accesses uninitialized stack
> It turns out that I have CONFIG_INIT_STACK_ALL_ZERO, which prevents me
> from exposing the bug. Now changed to CONFIG_INIT_STACK_ALL_PATTERN.
Seems to be fixed, thanks. I had CONFIG_INIT_STACK_NONE=y so it got
caught due to random data on the stack but with
CONFIG_INIT_STACK_ALL_PATTERN the pattern makes it clear that it's due
to that.
Added to misc-next, thanks.
prev parent reply other threads:[~2023-12-07 12:49 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-06 23:09 [PATCH v3 0/2] btrfs: migrate extent_buffer::pages[] to folio and more cleanups Qu Wenruo
2023-12-06 23:09 ` [PATCH v3 1/2] btrfs: migrate extent_buffer::pages[] to folio Qu Wenruo
2023-12-06 23:09 ` [PATCH v3 2/2] btrfs: cleanup metadata page pointer usage Qu Wenruo
2023-12-07 13:43 ` David Sterba
2023-12-07 12:42 ` David Sterba [this message]
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