netdev - Re: [syzbot] WARNING in check_map_prog

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Date:   Fri, 4 Nov 2022 16:05:39 -0700
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     syzbot <syzbot+e3f8d4df1e1981a97abb@...kaller.appspotmail.com>
Cc:     andrii@...nel.org, ast@...nel.org, bpf@...r.kernel.org,
        daniel@...earbox.net, davem@...emloft.net, haoluo@...gle.com,
        hawk@...nel.org, john.fastabend@...il.com, jolsa@...nel.org,
        kafai@...com, kpsingh@...nel.org, kuba@...nel.org,
        linux-kernel@...r.kernel.org, llvm@...ts.linux.dev,
        martin.lau@...ux.dev, memxor@...il.com, nathan@...nel.org,
        ndesaulniers@...gle.com, netdev@...r.kernel.org, sdf@...gle.com,
        song@...nel.org, songliubraving@...com,
        syzkaller-bugs@...glegroups.com, trix@...hat.com, yhs@...com
Subject: Re: [syzbot] WARNING in check_map_prog_compatibility

On Fri, Nov 4, 2022 at 3:50 PM syzbot
<syzbot+e3f8d4df1e1981a97abb@...kaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 34dd3bad1a6f1dc7d18ee8dd53f1d31bffd2aee8
> Author: Alexei Starovoitov <ast@...nel.org>
> Date:   Fri Sep 2 21:10:47 2022 +0000
>
>     bpf: Relax the requirement to use preallocated hash maps in tracing progs.
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1599d319880000
> start commit:   200e340f2196 Merge tag 'pull-work.dcache' of git://git.ker..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=1b664fba5e66c4bf
> dashboard link: https://syzkaller.appspot.com/bug?extid=e3f8d4df1e1981a97abb
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=165415a7080000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1716f705080000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: bpf: Relax the requirement to use preallocated hash maps in tracing progs.
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

#syz fix: bpf: Relax the requirement to use preallocated hash maps in
tracing progs.