lkml.org 
[lkml]   [2021]   [Jan]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: KASAN: null-ptr-deref Write in start_transaction
On Thu, Jan 7, 2021 at 1:13 PM syzbot
<syzbot+6700bca07dff187809c4@syzkaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit f30bed83426c5cb9fce6cabb3f7cc5a9d5428fcc
> Author: Filipe Manana <fdmanana@suse.com>
> Date: Fri Nov 13 11:24:17 2020 +0000
>
> btrfs: remove unnecessary attempt to drop extent maps after adding inline extent
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13ddc30b500000
> start commit: 521b619a Merge tag 'linux-kselftest-kunit-fixes-5.10-rc3' ..
> git tree: upstream
> kernel config: https://syzkaller.appspot.com/x/.config?x=61033507391c77ff
> dashboard link: https://syzkaller.appspot.com/bug?extid=6700bca07dff187809c4
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14a07ab2500000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10fe69c6500000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: btrfs: remove unnecessary attempt to drop extent maps after adding inline extent

Nop, it can't be this change.

What should fix it should be the following commit:

commit ecfdc08b8cc65d737eebc26a1ee1875a097fd6a0
Author: Goldwyn Rodrigues <rgoldwyn@suse.com>
Date: Thu Sep 24 11:39:21 2020 -0500

btrfs: remove dio iomap DSYNC workaround

Thanks.


>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection



--
Filipe David Manana,

“Whether you think you can, or you think you can't — you're right.”

\
 
 \ /
  Last update: 2021-01-08 15:23    [W:0.671 / U:0.268 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site