From: Peter Zijlstra <peterz@infradead.org>
To: Dave Hansen <dave.hansen@intel.com>
Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
tech-board@lists.linuxfoundation.org,
Song Liu <songliubraving@fb.com>,
Kernel Team <Kernel-team@fb.com>, Borislav Petkov <bp@alien8.de>,
brijesh.singh@amd.com, Dan Williams <dan.j.williams@intel.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>,
jane.chu@oracle.com,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
LKML <linux-kernel@vger.kernel.org>,
Andy Lutomirski <luto@kernel.org>, Ingo Molnar <mingo@redhat.com>,
seanjc@google.com,
syzkaller-bugs <syzkaller-bugs@googlegroups.com>,
Thomas Gleixner <tglx@linutronix.de>,
Tom Lendacky <thomas.lendacky@amd.com>, X86 ML <x86@kernel.org>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
John Fastabend <john.fastabend@gmail.com>,
"open list:BPF (Safe dynamic programs and tools)"
<bpf@vger.kernel.org>
Subject: Re: [syzbot] WARNING in __change_page_attr_set_clr
Date: Mon, 26 Sep 2022 10:24:41 +0200 [thread overview]
Message-ID: <YzFhyd3LDdDFtP6l@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <a2673df8-cf8a-b94a-68cd-1e2777fb5cf4@intel.com>
On Sun, Sep 25, 2022 at 05:10:19PM -0700, Dave Hansen wrote:
> Peter, I remember an earlier version of your patch having some various
> enforcement modes. Since the strict enforcement has actually broken a
> few things, should we resurrect the nicer soft detection mode? Or,
> maybe make the soft one the only mode for now?
Well, I think we'll have to disable the whole thing for i386, but I'm
sincerely hoping this is the only one we'll hit on x86_64 -- I did spend
some effort fixing W^X issues a while back.
next prev parent reply other threads:[~2022-09-26 8:25 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-25 11:18 [syzbot] WARNING in __change_page_attr_set_clr syzbot
2022-09-25 16:44 ` Dave Hansen
2022-09-25 21:55 ` Alexei Starovoitov
2022-09-25 23:16 ` Theodore Ts'o
2022-09-25 23:21 ` Randy Dunlap
2022-09-26 0:10 ` Dave Hansen
2022-09-26 8:24 ` Peter Zijlstra [this message]
2022-09-26 8:20 ` Peter Zijlstra
2022-09-26 13:28 ` [Tech-board] " Steven Rostedt
2024-09-06 10:39 ` [syzbot] syzbot
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