]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: c216cfd) | patch
usercopy: Adjust tests to deal with SMAP/PAN
authorKees Cook <keescook@chromium.org>
Mon, 13 Feb 2017 19:25:26 +0000 (11:25 -0800)
committerKees Cook <keescook@chromium.org>
Fri, 17 Feb 2017 00:34:59 +0000 (16:34 -0800)
commite5ff1f398f943eb94251859cb26b254a947037a3
tree64e6e91e1728dc333ea1a267c31f8076d95bb0eftree | snapshot
parentc216cfd94a58440ff82c9e2868fdec4c7ee76234commit | diff
usercopy: Adjust tests to deal with SMAP/PAN

Under SMAP/PAN/etc, we cannot write directly to userspace memory, so
this rearranges the test bytes to get written through copy_to_user().
Additionally drops the bad copy_from_user() test that would trigger a
memcpy() against userspace on failure.

Signed-off-by: Kees Cook <keescook@chromium.org>
lib/test_user_copy.c diff | blob | history
Linux Kernel Source Tree.