From: Ingo Molnar <mingo@kernel.org>
To: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: x86@kernel.org, Peter Zijlstra <peterz@infradead.org>,
Vince Weaver <vincent.weaver@maine.edu>,
linux-kernel@vger.kernel.org, Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
davej@codemonkey.org.uk, dvyukov@google.com,
Stephane Eranian <eranian@gmail.com>
Subject: Re: [PATCH 1/2] unwind: prevent KASAN false positive warnings in guess unwinder
Date: Fri, 18 Nov 2016 09:38:25 +0100 [thread overview]
Message-ID: <20161118083825.GA9271@gmail.com> (raw)
In-Reply-To: <20161117202626.gxinowu2lwd5ik5v@treble>
* Josh Poimboeuf <jpoimboe@redhat.com> wrote:
> On Thu, Nov 17, 2016 at 09:57:23AM -0600, Josh Poimboeuf wrote:
> > The guess unwinder scans the entire stack, which can cause KASAN
> > "stack-out-of-bounds" false positive warnings. Tell KASAN to ignore it.
> >
> > Reported-by: Peter Zijlstra <peterz@infradead.org>
> > Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
>
> Whoops, forgot to prefix the patch subjects with "x86/".
No problem, fixed it up.
Thanks,
Ingo
next prev parent reply other threads:[~2016-11-18 8:38 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-15 17:43 perf: fuzzer KASAN unwind_get_return_address Vince Weaver
2016-11-15 18:57 ` Peter Zijlstra
2016-11-15 19:04 ` Dmitry Vyukov
2016-11-15 20:56 ` Josh Poimboeuf
2016-11-15 19:05 ` Vince Weaver
2016-11-15 20:57 ` Josh Poimboeuf
2016-11-16 13:03 ` Peter Zijlstra
2016-11-16 13:18 ` Dmitry Vyukov
2016-11-16 14:37 ` Josh Poimboeuf
2016-11-16 14:49 ` Peter Zijlstra
2016-11-16 14:58 ` Josh Poimboeuf
2016-11-16 14:58 ` Peter Zijlstra
2016-11-17 4:48 ` Josh Poimboeuf
2016-11-17 9:04 ` Peter Zijlstra
2016-11-17 9:13 ` Peter Zijlstra
2016-11-17 9:30 ` Peter Zijlstra
2016-11-17 9:48 ` Dmitry Vyukov
2016-11-17 14:01 ` Josh Poimboeuf
2016-11-17 14:25 ` Vince Weaver
2016-11-17 14:36 ` Josh Poimboeuf
2016-11-17 14:58 ` Dmitry Vyukov
2016-11-17 17:15 ` Vince Weaver
2016-11-17 15:18 ` Josh Poimboeuf
2016-11-17 16:07 ` Peter Zijlstra
2016-11-17 17:17 ` Peter Zijlstra
2016-11-22 12:30 ` [tip:perf/urgent] perf/x86/intel: Cure bogus unwind from PEBS entries tip-bot for Peter Zijlstra
2016-11-16 15:06 ` perf: fuzzer KASAN unwind_get_return_address Vince Weaver
2016-11-17 15:57 ` [PATCH 1/2] unwind: prevent KASAN false positive warnings in guess unwinder Josh Poimboeuf
2016-11-17 15:57 ` [PATCH 2/2] dumpstack: prevent KASAN false positive warnings Josh Poimboeuf
2016-11-18 9:04 ` [tip:x86/urgent] x86/dumpstack: Prevent " tip-bot for Josh Poimboeuf
2016-11-17 20:26 ` [PATCH 1/2] unwind: prevent KASAN false positive warnings in guess unwinder Josh Poimboeuf
2016-11-18 8:38 ` Ingo Molnar [this message]
2016-11-18 9:04 ` [tip:x86/urgent] x86/unwind: Prevent " tip-bot for Josh Poimboeuf
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20161118083825.GA9271@gmail.com \
--to=mingo@kernel.org \
--cc=acme@kernel.org \
--cc=davej@codemonkey.org.uk \
--cc=dvyukov@google.com \
--cc=eranian@gmail.com \
--cc=jpoimboe@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=peterz@infradead.org \
--cc=vincent.weaver@maine.edu \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).