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SubjectRe: KASAN: slab-out-of-bounds Read in bitmap_ip_ext_cleanup
On Sun, Jan 19, 2020 at 05:35:01PM -0800, syzbot wrote:
> syzbot has bisected this bug to:
>
> commit d68dbb0c9ac8b1ff52eb09aa58ce6358400fa939
> Author: Christian Brauner <christian@brauner.io>
> Date: Thu Jun 20 23:26:35 2019 +0000
>
> arch: handle arches who do not yet define clone3
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1456fed1e00000
> start commit: 09d4f10a net: sched: act_ctinfo: fix memory leak
> git tree: net
> final crash: https://syzkaller.appspot.com/x/report.txt?x=1656fed1e00000
> console output: https://syzkaller.appspot.com/x/log.txt?x=1256fed1e00000
> kernel config: https://syzkaller.appspot.com/x/.config?x=7e89bd00623fe71e
> dashboard link: https://syzkaller.appspot.com/bug?extid=6491ea8f6dddbf04930e
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=141af959e00000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1067fa85e00000
>
> Reported-by: syzbot+6491ea8f6dddbf04930e@syzkaller.appspotmail.com
> Fixes: d68dbb0c9ac8 ("arch: handle arches who do not yet define clone3")
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

This bisect seems bogus.

Christian

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