[STABLE REQ] mm/vmalloc.c: huge-vmap: fail gracefully on unexpected huge vmap mappings

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Subject: [STABLE REQ] mm/vmalloc.c: huge-vmap: fail gracefully on unexpected huge vmap mappings
From: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
Date: Tue, 27 Jun 2017 14:36:46 +0000
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Mark Brown <broonie@xxxxxxxxxx>, Mark Rutland <mark.rutland@xxxxxxx>, Laura Abbott <labbott@xxxxxxxxxx>, "linux-arm-kernel@xxxxxxxxxxxxxxxxxxx" <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>

Please consider

029c54b09599 mm/vmalloc.c: huge-vmap: fail gracefully on unexpected
huge vmap mappings

for inclusion into the v4.9 and v4.11 stable trees. It prevents
crashes on arm64 that may occur after commit 324420bf91f6 ("arm64: add
support for ioremap() block mappings") was merged for v4.6.

-- 
Ard.

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