3f7905d29c
The overflow causes the wraparound with consequent corruption of the (almost) whole address space mapping. As Alan noted, pmap_copy() does not require the wrap-around checks because it cannot be applied to the kernel's pmap. The checks there are included for consistency. Reported and tested by: kris (i386/pmap.c:pmap_remove() part) Reviewed by: alc MFC after: 1 week |
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acpica | ||
amd64 | ||
compile | ||
conf | ||
ia32 | ||
include | ||
isa | ||
linux32 | ||
pci | ||
Makefile |