From: Ivan Babrou <ivan@cloudflare.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: kernel-team <kernel-team@cloudflare.com>,
Ignat Korchagin <ignat@cloudflare.com>,
Hailong liu <liu.hailong6@zte.com.cn>,
Andrey Ryabinin <aryabinin@virtuozzo.com>,
Alexander Potapenko <glider@google.com>,
Dmitry Vyukov <dvyukov@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Josh Poimboeuf <jpoimboe@redhat.com>,
Miroslav Benes <mbenes@suse.cz>,
Julien Thierry <jthierry@redhat.com>,
Jiri Slaby <jirislaby@kernel.org>,
kasan-dev@googlegroups.com, linux-mm@kvack.org,
linux-kernel <linux-kernel@vger.kernel.org>,
Alasdair Kergon <agk@redhat.com>,
Mike Snitzer <snitzer@redhat.com>,
dm-devel@redhat.com,
"Steven Rostedt (VMware)" <rostedt@goodmis.org>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Martin KaFai Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>,
Yonghong Song <yhs@fb.com>, Andrii Nakryiko <andriin@fb.com>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@chromium.org>, Robert Richter <rric@kernel.org>,
"Joel Fernandes (Google)" <joel@joelfernandes.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Linux Kernel Network Developers <netdev@vger.kernel.org>,
bpf@vger.kernel.org, Alexey Kardashevskiy <aik@ozlabs.ru>
Subject: Re: BUG: KASAN: stack-out-of-bounds in unwind_next_frame+0x1df5/0x2650
Date: Wed, 3 Feb 2021 09:46:55 -0800 [thread overview]
Message-ID: <CABWYdi2ephz57BA8bns3reMGjvs5m0hYp82+jBLZ6KD3Ba6zdQ@mail.gmail.com> (raw)
In-Reply-To: <YBrTaVVfWu2R0Hgw@hirez.programming.kicks-ass.net>
> Can you pretty please not line-wrap console output? It's unreadable.
GMail doesn't make it easy, I'll send a link to a pastebin next time.
Let me know if you'd like me to regenerate the decoded stack.
> > edfd9b7838ba5e47f19ad8466d0565aba5c59bf0 is the first bad commit
> > commit edfd9b7838ba5e47f19ad8466d0565aba5c59bf0
>
> Not sure what tree you're on, but that's not the upstream commit.
I mentioned that it's a rebased core-static_call-2020-10-12 tag and
added a link to the upstream hash right below.
> > Author: Steven Rostedt (VMware) <rostedt@goodmis.org>
> > Date: Tue Aug 18 15:57:52 2020 +0200
> >
> > tracepoint: Optimize using static_call()
> >
>
> There's a known issue with that patch, can you try:
>
> http://lkml.kernel.org/r/20210202220121.435051654@goodmis.org
I've tried it on top of core-static_call-2020-10-12 tag rebased on top
of v5.9 (to make it reproducible), and the patch did not help. Do I
need to apply the whole series or something else?
next prev parent reply other threads:[~2021-02-03 17:47 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CABWYdi3HjduhY-nQXzy2ezGbiMB1Vk9cnhW2pMypUa+P1OjtzQ@mail.gmail.com>
2021-02-03 3:09 ` BUG: KASAN: stack-out-of-bounds in unwind_next_frame+0x1df5/0x2650 Ivan Babrou
2021-02-03 16:46 ` Peter Zijlstra
2021-02-03 17:46 ` Ivan Babrou [this message]
2021-02-03 19:05 ` Josh Poimboeuf
2021-02-03 22:41 ` Ivan Babrou
2021-02-03 23:27 ` Josh Poimboeuf
2021-02-03 23:30 ` Ivan Babrou
2021-02-04 0:17 ` Josh Poimboeuf
2021-02-04 0:52 ` Ivan Babrou
2021-02-04 2:37 ` Josh Poimboeuf
2021-02-04 19:51 ` Ivan Babrou
2021-02-04 20:22 ` Josh Poimboeuf
2021-02-04 9:22 ` Peter Zijlstra
2021-02-04 2:44 ` Steven Rostedt
2021-02-04 3:09 ` Josh Poimboeuf
2021-02-04 18:41 ` Ivan Babrou
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