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From: David Sterba <dsterba@suse.cz>
To: Zygo Blaxell <ce3g8jdj@umail.furryterror.org>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: KASAN splat during mount on 5.4.5, no reproducer
Date: Mon, 20 Jan 2020 20:46:50 +0100	[thread overview]
Message-ID: <20200120194650.GO3929@twin.jikos.cz> (raw)
In-Reply-To: <20191228200326.GD13306@hungrycats.org>

On Sat, Dec 28, 2019 at 03:03:26PM -0500, Zygo Blaxell wrote:
> 
> [...etc...it dumps the same stacks again in the BUG]
> 
> The deepest level of fs/btrfs code is the list_del_init in
> clean_dirty_subvols.
> 
> After a reboot the next mount (and all subsequent mounts so far)
> was successful.  I don't have a reproducer.

For the record, this and other KASAN reports regarding reloc root, is
going to be fixed in 5.4.14, "btrfs: relocation: fix reloc_root lifespan
and access" (6282675e6708ec78). Thanks for the reports and debugging
help.

  parent reply	other threads:[~2020-01-20 19:47 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-28 20:03 KASAN splat during mount on 5.4.5, no reproducer Zygo Blaxell
2019-12-29  1:32 ` Qu Wenruo
2019-12-29  5:14   ` Zygo Blaxell
2020-01-20 19:46 ` David Sterba [this message]
2020-02-03 18:44   ` Zygo Blaxell
2020-02-13  5:20     ` KASAN splat during mount on 5.4.5...and 5.5.3 Zygo Blaxell
2020-02-13  5:57       ` Qu Wenruo
2020-02-13 18:36         ` Zygo Blaxell

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