Commit d5e8da64 authored Jun 13, 2009 by Marti Raudsepp Committed by Ingo Molnar Jun 13, 2009

perf_counter: Fix stack corruption in perf_read_hw



With PERF_FORMAT_ID, perf_read_hw now needs space for up to 4 values.

Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent 87847b8f

kernel/perf_counter.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1553,7 +1553,7 @@ static int perf_release(struct inode inode, struct file file)
		static ssize_t
		perf_read_hw(struct perf_counter counter, char __user buf, size_t count)
		{
		u64 values[3];
		u64 values[4];
		int n;

		/*