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(parent: 3ea2f2b) | patch
perf: Change zero-padding of strings in perf_event_mmap_event()
authorPeter Zijlstra <peterz@infradead.org>
Wed, 16 Oct 2013 22:06:46 +0000 (00:06 +0200)
committerIngo Molnar <mingo@kernel.org>
Tue, 29 Oct 2013 11:02:53 +0000 (12:02 +0100)
commit2c42cfbfe10872929c2ba1f8130e31063ff59b94
tree588f6008befc05e2458ab0bfc8bde08315279333tree | snapshot (tar.gz zip)
parent3ea2f2b96f9e636f49eb10962e96db3e19cab157commit | diff
perf: Change zero-padding of strings in perf_event_mmap_event()

Oleg complained about the excessive 0-ing in perf_event_mmap_event(),
so try and be smarter about it while keeping it fairly fool proof and
avoid leaking random bits out to userspace.

Suggested-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/n/tip-8jirlm99m6if2z13wd6rbyu6@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
kernel/events/core.c diff | blob | blame | history