Re: [syzbot] [gfs2?] KASAN: use-after-free Read in qd_unlock (2)

[Bob Peterson]

On 7/26/23 10:03 AM, syzbot wrote:
> syzbot suspects this issue was fixed by commit:
>
> commit 41a37d157a613444c97e8f71a5fb2a21116b70d7
> Author: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> Date:   Mon Dec 26 04:21:51 2022 +0000
>
>      arm64: dts: qcom: qcs404: use symbol names for PCIe resets
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17b48111a80000
> start commit:   [unknown]
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=fe56f7d193926860
> dashboard link: https://syzkaller.appspot.com/bug?extid=3f6a670108ce43356017
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1209f878c80000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=111a48ab480000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: arm64: dts: qcom: qcs404: use symbol names for PCIe resets
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
The bisect is very likely to be wrong.

I have a lot of patches to gfs2's quota code in linux-gfs2/bobquota that 
I hope to get into the next merge window, but the critical patch has 
already been merged. I'm still working on others.

Regards,

Bob Peterson
gfs2 file system