mprotect & map_count

Imre Deak (jim@medeia.csoma.elte.hu)
Fri, 6 Feb 1998 20:35:15 +0100 (CET)


hi,

mm->map_count is increased when new vm areas are
being made. do_mmap fails if map_count > MAX_MAP_COUNT.
In mm/mprotect.c mprotect_fixup may also create new
vm areas, but it seems that there is no check against MAX_MAP_COUNT.
Kernel version is 2.1.84. Sorry if this is intentional.

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