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authorStephen Smalley <sds@tycho.nsa.gov>2016-04-08 13:55:03 -0400
committerPaul Moore <paul@paul-moore.com>2016-04-26 15:47:57 -0400
commitc2316dbf124257ae19fd2e29cb5ec51060649d38 (patch)
treea17220dace4ef3946ee7185a344fa9e735472a56 /crypto
parent8e4ff6f228e4722cac74db716e308d1da33d744f (diff)
downloadlinux-c2316dbf124257ae19fd2e29cb5ec51060649d38.tar.gz
selinux: apply execstack check on thread stacks
The execstack check was only being applied on the main process stack. Thread stacks allocated via mmap were only subject to the execmem permission check. Augment the check to apply to the current thread stack as well. Note that this does NOT prevent making a different thread's stack executable. Suggested-by: Nick Kralevich <nnk@google.com> Acked-by: Nick Kralevich <nnk@google.com> Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov> Signed-off-by: Paul Moore <paul@paul-moore.com>
Diffstat (limited to 'crypto')
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