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SubjectRe: [syzbot] KASAN: use-after-free Read in __vma_adjust
Date
* syzbot <syzbot+68771c0e74f7bb7804e5@syzkaller.appspotmail.com> [220612 18:08]:
> syzbot has bisected this issue to:
>
> commit d3ccd17e7c9647b956d415acdf3e3fde7ae9e20c
> Author: Liam R. Howlett <Liam.Howlett@Oracle.com>
> Date: Thu Jun 9 20:57:09 2022 +0000
>
> mm: start tracking VMAs with maple tree
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11463853f00000
> start commit: 6d0c80680317 Add linux-next specific files for 20220610
> git tree: linux-next
> final oops: https://syzkaller.appspot.com/x/report.txt?x=13463853f00000
> console output: https://syzkaller.appspot.com/x/log.txt?x=15463853f00000
> kernel config: https://syzkaller.appspot.com/x/.config?x=a30d6e3e814e5931
> dashboard link: https://syzkaller.appspot.com/bug?extid=68771c0e74f7bb7804e5
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12e632bbf00000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=103df80ff00000
>
> Reported-by: syzbot+68771c0e74f7bb7804e5@syzkaller.appspotmail.com
> Fixes: d3ccd17e7c96 ("mm: start tracking VMAs with maple tree")

Thank you. This is a valid issue and I have sent a fix [1].

1. https://lore.kernel.org/linux-mm/20220615164150.652376-1-Liam.Howlett@oracle.com/

Regards,
Liam
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