From d5e8da6449d4ef4bac35ea9b9719a2cda02e7b39 Mon Sep 17 00:00:00 2001 From: Marti Raudsepp <marti@juffo.org> Date: Sat, 13 Jun 2009 02:35:01 +0300 Subject: [PATCH] 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> --- kernel/perf_counter.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c index 8d14a733f222..e914daff03b5 100644 --- a/kernel/perf_counter.c +++ b/kernel/perf_counter.c @@ -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; /*