Messages in this thread | | | Date | Fri, 16 Apr 2021 19:47:08 +0800 | From | Dave Young <> | Subject | Re: x86/crash: fix crash_setup_memmap_entries() out-of-bounds access |
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On 04/16/21 at 01:28pm, Mike Galbraith wrote: > 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.
Ok, thanks for your quick response. Care to resend and cc x86 list and Andrew?
Andrew usually takes core kexec/kdump fixes, x86 usually go through x86 maintainer.
Thanks Dave
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