From: Dmitry Vyukov <dvyukov@google.com>
To: syzbot <syzbot+5f326d255ca648131f87@syzkaller.appspotmail.com>
Cc: "Andrew Morton" <akpm@linux-foundation.org>,
andrii@kernel.org, "Alexei Starovoitov" <ast@kernel.org>,
"Björn Töpel" <bjorn.topel@intel.com>,
"Borislav Petkov" <bp@alien8.de>, bpf <bpf@vger.kernel.org>,
"Daniel Borkmann" <daniel@iogearbox.net>,
"Dave Hansen" <dave.hansen@linux.intel.com>,
"David Miller" <davem@davemloft.net>,
"Jesper Dangaard Brouer" <hawk@kernel.org>,
"H. Peter Anvin" <hpa@zytor.com>,
"John Fastabend" <john.fastabend@gmail.com>,
jonathan.lemon@gmail.com, "Martin KaFai Lau" <kafai@fb.com>,
"KP Singh" <kpsingh@chromium.org>,
"Jakub Kicinski" <kuba@kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Linux-MM <linux-mm@kvack.org>,
"Andy Lutomirski" <luto@kernel.org>,
"Karlsson, Magnus" <magnus.karlsson@intel.com>,
marekx.majtyka@intel.com, "Ingo Molnar" <mingo@kernel.org>,
"Ingo Molnar" <mingo@redhat.com>, netdev <netdev@vger.kernel.org>,
"Peter Zijlstra" <peterz@infradead.org>,
"Song Liu" <songliubraving@fb.com>,
syzkaller-bugs <syzkaller-bugs@googlegroups.com>,
"Thomas Gleixner" <tglx@linutronix.de>,
"the arch/x86 maintainers" <x86@kernel.org>,
"Yonghong Song" <yhs@fb.com>
Subject: Re: kernel BUG at mm/vmalloc.c:LINE! (2)
Date: Mon, 11 Jan 2021 10:15:58 +0100 [thread overview]
Message-ID: <CACT4Y+a3Xe11dAkRAAewXQ7b=KzK1pk36Arwq=vCR7R-KQy9DQ@mail.gmail.com> (raw)
In-Reply-To: <00000000000087569605b8928ce3@google.com>
On Sun, Jan 10, 2021 at 10:34 PM syzbot
<syzbot+5f326d255ca648131f87@syzkaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 537cf4e3cc2f6cc9088dcd6162de573f603adc29
> Author: Magnus Karlsson <magnus.karlsson@intel.com>
> Date: Fri Nov 20 11:53:39 2020 +0000
>
> xsk: Fix umem cleanup bug at socket destruct
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=139f3dfb500000
> start commit: e87d24fc Merge branch 'net-iucv-fixes-2020-11-09'
> git tree: net
> kernel config: https://syzkaller.appspot.com/x/.config?x=61033507391c77ff
> dashboard link: https://syzkaller.appspot.com/bug?extid=5f326d255ca648131f87
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10d10006500000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=126c9eaa500000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: xsk: Fix umem cleanup bug at socket destruct
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
FTR, the bisection log looks clean, but this does not look like the
fix for this. The reproducer does not destroy sockets.
next prev parent reply other threads:[~2021-01-11 9:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <000000000000588c2c05aa156b2b@google.com>
2021-01-10 21:34 ` kernel BUG at mm/vmalloc.c:LINE! (2) syzbot
2021-01-11 9:15 ` Dmitry Vyukov [this message]
2022-01-24 17:59 ` Vegard Nossum
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