Re: [syzbot] WARNING in ext4_expand_extra_isize_ea

[Aleksandr Nogikh]

On Thu, Feb 2, 2023 at 1:10 PM syzbot
<syzbot+4d99a966fd74bdeeec36@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit cc12a6f25e07ed05d5825a1664b67a970842b2ca
> Author: Ye Bin <yebin10@xxxxxxxxxx>
> Date:   Thu Dec 8 02:32:31 2022 +0000
>
>     ext4: allocate extended attribute value in vmalloc area
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14e7b9a5480000
> start commit:   644e9524388a Merge tag 'for-v6.1-rc' of git://git.kernel.o..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=8d01b6e3197974dd
> dashboard link: https://syzkaller.appspot.com/bug?extid=4d99a966fd74bdeeec36
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12f49603880000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=163dfb9b880000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: ext4: allocate extended attribute value in vmalloc area

Looks reasonable.

#syz fix: ext4: allocate extended attribute value in vmalloc area

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