[PATCH rt-tests] rt-migrate-test: increase the buf size to 2048 when parse cpuinfo

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When parse /proc/cpuinfo, the size of "flags" may exceed 1024,
this will cause "realloc(): invalid next size" error, increase
the buf size to 2048 to fix this case.

Signed-off-by: Liwei Song <liwei.song@xxxxxxxxxxxxx>
---
 src/rt-migrate-test/rt-migrate-test.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/rt-migrate-test/rt-migrate-test.c b/src/rt-migrate-test/rt-migrate-test.c
index 62cc603c983b..883e60e21bff 100644
--- a/src/rt-migrate-test/rt-migrate-test.c
+++ b/src/rt-migrate-test/rt-migrate-test.c
@@ -497,14 +497,14 @@ static void stop_log(int sig)
 static int count_cpus(void)
 {
 	FILE *fp;
-	char buf[1024];
+	char buf[2048];
 	int cpus = 0;
 	char *pbuf;
 	size_t *pn;
 	size_t n;
 	int r;
 
-	n = 1024;
+	n = 2048;
 	pn = &n;
 	pbuf = buf;
 
-- 
2.17.1




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