[PATCH 1/4] perf_counter: fix off-by-one on the string lengths

[Peter Zijlstra]

strlen() does _not_ include the terminating \0.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
---
 kernel/perf_counter.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Index: linux-2.6/kernel/perf_counter.c
===================================================================
--- linux-2.6.orig/kernel/perf_counter.c
+++ linux-2.6/kernel/perf_counter.c
@@ -1989,7 +1989,7 @@ static void perf_counter_comm_event(stru
 	unsigned int size;
 	char *comm = comm_event->task->comm;
 
-	size = ALIGN(strlen(comm), sizeof(u64));
+	size = ALIGN(strlen(comm)+1, sizeof(u64));
 
 	comm_event->comm = comm;
 	comm_event->comm_size = size;
@@ -2109,7 +2109,7 @@ static void perf_counter_mmap_event(stru
 	}
 
 got_name:
-	size = ALIGN(strlen(name), sizeof(u64));
+	size = ALIGN(strlen(name)+1, sizeof(u64));
 
 	mmap_event->file_name = name;
 	mmap_event->file_size = size;

-- 

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