From: Linus Torvalds <torvalds@linux-foundation.org>
To: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: "Sean Christopherson" <sean.j.christopherson@intel.com>,
"Daniel Díaz" <daniel.diaz@linaro.org>,
"Naresh Kamboju" <naresh.kamboju@linaro.org>,
"Stephen Rothwell" <sfr@canb.auug.org.au>,
"Matthew Wilcox (Oracle)" <willy@infradead.org>,
zenglg.jy@cn.fujitsu.com,
"Peter Zijlstra (Intel)" <peterz@infradead.org>,
"Viresh Kumar" <viresh.kumar@linaro.org>,
"X86 ML" <x86@kernel.org>,
"open list" <linux-kernel@vger.kernel.org>,
lkft-triage@lists.linaro.org,
"Eric W. Biederman" <ebiederm@xmission.com>,
linux-mm <linux-mm@kvack.org>,
linux-m68k <linux-m68k@lists.linux-m68k.org>,
"Linux-Next Mailing List" <linux-next@vger.kernel.org>,
"Thomas Gleixner" <tglx@linutronix.de>,
kasan-dev <kasan-dev@googlegroups.com>,
"Dmitry Vyukov" <dvyukov@google.com>,
"Geert Uytterhoeven" <geert@linux-m68k.org>,
"Christian Brauner" <christian.brauner@ubuntu.com>,
"Ingo Molnar" <mingo@redhat.com>, "LTP List" <ltp@lists.linux.it>,
"Al Viro" <viro@zeniv.linux.org.uk>
Subject: Re: [LTP] mmstress[1309]: segfault at 7f3d71a36ee8 ip 00007f3d77132bdf sp 00007f3d71a36ee8 error 4 in libc-2.27.so[7f3d77058000+1aa000]
Date: Fri, 23 Oct 2020 08:54:44 -0700 [thread overview]
Message-ID: <CAHk-=whFb3wk0ff8jb3BCyoNvNJ1TSZxoYRKaAoW=Y43iQFNkw@mail.gmail.com> (raw)
In-Reply-To: <356811ab-cb08-7685-ca01-fe58b5654953@rasmusvillemoes.dk>
On Fri, Oct 23, 2020 at 12:14 AM Rasmus Villemoes
<linux@rasmusvillemoes.dk> wrote:
>
> That's certainly garbage. Now, I don't know if it's a sufficient fix (or
> could break something else), but the obvious first step of rearranging
> so that the ptr argument is evaluated before the assignment to __val_pu
Ack. We could do that.
I'm more inclined to just bite the bullet and go back to the ugly
conditional on the size that I had hoped to avoid, but if that turns
out too ugly, mind signing off on your patch and I'll have that as a
fallback?
Linus
next prev parent reply other threads:[~2020-10-23 15:55 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-21 16:58 mmstress[1309]: segfault at 7f3d71a36ee8 ip 00007f3d77132bdf sp 00007f3d71a36ee8 error 4 in libc-2.27.so[7f3d77058000+1aa000] Naresh Kamboju
2020-10-21 17:05 ` Linus Torvalds
2020-10-21 17:22 ` Naresh Kamboju
2020-10-22 20:55 ` Naresh Kamboju
2020-10-22 23:43 ` Linus Torvalds
2020-10-23 0:11 ` Linus Torvalds
2020-10-23 0:22 ` Linus Torvalds
2020-10-23 1:36 ` [LTP] " Daniel Díaz
2020-10-23 3:05 ` Linus Torvalds
2020-10-23 5:02 ` Sean Christopherson
2020-10-23 7:14 ` Rasmus Villemoes
2020-10-23 15:54 ` Linus Torvalds [this message]
2020-10-23 16:32 ` Linus Torvalds
2020-10-23 17:50 ` Naresh Kamboju
2020-10-23 15:52 ` Linus Torvalds
2020-10-23 17:00 ` Naresh Kamboju
2020-10-23 17:50 ` Linus Torvalds
2020-10-23 21:15 ` Song Liu
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