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| author | Kees Cook <[email protected]> | 2017-02-13 19:25:26 +0000 |
|---|---|---|
| committer | Kees Cook <[email protected]> | 2017-02-17 00:34:59 +0000 |
| commit | f5f893c57e37ca730808cb2eee3820abd05e7507 (patch) | |
| tree | 64e6e91e1728dc333ea1a267c31f8076d95bb0ef /tools/perf/util/scripting-engines/trace-event-perl.c | |
| parent | usercopy: add testcases to check zeroing on failure (diff) | |
| download | kernel-f5f893c57e37ca730808cb2eee3820abd05e7507.tar.gz kernel-f5f893c57e37ca730808cb2eee3820abd05e7507.zip | |
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 <[email protected]>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-perl.c')
0 files changed, 0 insertions, 0 deletions