From: Mike Galbraith <efault@gmx.de>
To: Dave Young <dyoung@redhat.com>
Cc: LKML <linux-kernel@vger.kernel.org>, Baoquan He <bhe@redhat.com>,
kexec@lists.infradead.org
Subject: Re: x86/crash: fix crash_setup_memmap_entries() out-of-bounds access
Date: Fri, 16 Apr 2021 13:28:19 +0200 [thread overview]
Message-ID: <063a63ddea914ac654cbe9a1d1d6c76986af7882.camel@gmx.de> (raw)
In-Reply-To: <20210416110701.GA3835@dhcp-128-65.nay.redhat.com>
On Fri, 2021-04-16 at 19:07 +0800, Dave Young wrote:
>
> > We're excluding two ranges, allocate the scratch space we need to do that.
>
> I think 1 range should be fine, have you tested 1?
Have now, and vzalloc(struct_size(cmem, ranges, 1)) worked just fine.
-Mike
next prev parent reply other threads:[~2021-04-16 11:28 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-15 17:56 x86/crash: fix crash_setup_memmap_entries() out-of-bounds access Mike Galbraith
2021-04-16 11:07 ` Dave Young
2021-04-16 11:28 ` Mike Galbraith [this message]
2021-04-16 11:47 ` Dave Young
2021-04-16 12:02 ` [patch] " Mike Galbraith
2021-04-16 12:16 ` Borislav Petkov
2021-04-16 13:16 ` Mike Galbraith
2021-04-16 14:44 ` Borislav Petkov
2021-04-16 15:13 ` Mike Galbraith
2021-04-16 21:44 ` Thomas Gleixner
2021-04-17 0:05 ` Mike Galbraith
2021-04-19 8:52 ` Borislav Petkov
2021-04-19 9:37 ` DaveYoung
2021-04-20 18:00 ` [tip: x86/urgent] x86/crash: Fix " tip-bot2 for Mike Galbraith
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