300bead6dd
commit 76ef6b28ea4f81c3d511866a9b31392caa833126 upstream. Since we have the ttm and gem vma managers using a subset of the file address space for objects, and these start at 0x100000000 they will overflow the new mmap checks. I've checked all the mmap routines I could see for any bad behaviour but overall most people use GEM/TTM VMA managers even the legacy drivers have a hashtable. Reported-and-Tested-by: Arthur Marsh (amarsh04 on #radeon) Fixes: be83bbf8068 (mmap: introduce sane default mmap limits) Signed-off-by: Dave Airlie <airlied@redhat.com> [bwh: Backported to 3.16: adjust filename] Signed-off-by: Ben Hutchings <ben@decadent.org.uk> |
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