All of lore.kernel.org
 help / color / mirror / Atom feed
From: Peter Zijlstra <peterz@infradead.org>
To: Mark Rutland <mark.rutland@arm.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>,
	Dmitry Vyukov <dvyukov@google.com>,
	syzbot <syzbot+488ddf8087564d6de6e2@syzkaller.appspotmail.com>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk,
	will@kernel.org, x86@kernel.org
Subject: Re: [syzbot] upstream test error: KASAN: invalid-access Read in __entry_tramp_text_end
Date: Wed, 29 Sep 2021 13:43:23 +0200	[thread overview]
Message-ID: <YVRRWzXqhMIpwelm@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20210929103730.GC33284@C02TD0UTHF1T.local>

On Wed, Sep 29, 2021 at 11:37:30AM +0100, Mark Rutland wrote:

> > This is because _ASM_EXTABLE only generates data for another section.
> > There doesn't need to be code continuity between these two asm
> > statements.
> 
> I think you've missed my point. It doesn't matter that the
> asm_volatile_goto() doesn't contain code, and this is solely about the
> *state* expected at entry/exit from each asm block being different.

Urgh.. indeed :/

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

WARNING: multiple messages have this Message-ID (diff)
From: Peter Zijlstra <peterz@infradead.org>
To: Mark Rutland <mark.rutland@arm.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>,
	Dmitry Vyukov <dvyukov@google.com>,
	syzbot <syzbot+488ddf8087564d6de6e2@syzkaller.appspotmail.com>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk,
	will@kernel.org, x86@kernel.org
Subject: Re: [syzbot] upstream test error: KASAN: invalid-access Read in __entry_tramp_text_end
Date: Wed, 29 Sep 2021 13:43:23 +0200	[thread overview]
Message-ID: <YVRRWzXqhMIpwelm@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20210929103730.GC33284@C02TD0UTHF1T.local>

On Wed, Sep 29, 2021 at 11:37:30AM +0100, Mark Rutland wrote:

> > This is because _ASM_EXTABLE only generates data for another section.
> > There doesn't need to be code continuity between these two asm
> > statements.
> 
> I think you've missed my point. It doesn't matter that the
> asm_volatile_goto() doesn't contain code, and this is solely about the
> *state* expected at entry/exit from each asm block being different.

Urgh.. indeed :/

  reply	other threads:[~2021-09-29 11:45 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-04 11:57 [syzbot] upstream test error: KASAN: invalid-access Read in __entry_tramp_text_end syzbot
2021-09-17 15:03 ` Dmitry Vyukov
2021-09-17 15:03   ` Dmitry Vyukov
2021-09-21 16:51   ` Mark Rutland
2021-09-21 16:51     ` Mark Rutland
2021-09-27 14:27     ` Dmitry Vyukov
2021-09-27 14:27       ` Dmitry Vyukov
2021-09-27 14:30       ` Dmitry Vyukov
2021-09-27 14:30         ` Dmitry Vyukov
2021-09-27 17:01       ` Mark Rutland
2021-09-27 17:01         ` Mark Rutland
2021-09-27 17:18         ` Mark Rutland
2021-09-27 17:18           ` Mark Rutland
2021-09-28 10:19           ` Dmitry Vyukov
2021-09-28 10:19             ` Dmitry Vyukov
2021-09-28 10:35             ` Mark Rutland
2021-09-28 10:35               ` Mark Rutland
2021-09-29  1:36               ` Josh Poimboeuf
2021-09-29  1:36                 ` Josh Poimboeuf
2021-09-29  7:39                 ` Peter Zijlstra
2021-09-29  7:39                   ` Peter Zijlstra
2021-09-29  8:50                   ` Mark Rutland
2021-09-29  8:50                     ` Mark Rutland
2021-09-29  9:59                     ` Peter Zijlstra
2021-09-29  9:59                       ` Peter Zijlstra
2021-09-29 10:37                       ` Mark Rutland
2021-09-29 10:37                         ` Mark Rutland
2021-09-29 11:43                         ` Peter Zijlstra [this message]
2021-09-29 11:43                           ` Peter Zijlstra
2021-09-30 19:26                           ` Josh Poimboeuf
2021-09-30 19:26                             ` Josh Poimboeuf
2021-10-01 12:27                             ` Mark Rutland
2021-10-01 12:27                               ` Mark Rutland
2021-10-02  5:10                               ` Josh Poimboeuf
2021-10-02  5:10                                 ` 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=YVRRWzXqhMIpwelm@hirez.programming.kicks-ass.net \
    --to=peterz@infradead.org \
    --cc=dvyukov@google.com \
    --cc=jpoimboe@redhat.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mark.rutland@arm.com \
    --cc=syzbot+488ddf8087564d6de6e2@syzkaller.appspotmail.com \
    --cc=syzkaller-bugs@googlegroups.com \
    --cc=viro@zeniv.linux.org.uk \
    --cc=will@kernel.org \
    --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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.