[PATCH 02/11] xfsprogs: fix integer overflow in xlog_find_verify_cycle

[Vivek Trivedi]

Fix unintentional integer overflow in xlog_find_verify_cycle.
Reported by coverity.

Signed-off-by: Vivek Trivedi <t.vivek at samsung.com>
---
 libxlog/xfs_log_recover.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libxlog/xfs_log_recover.c b/libxlog/xfs_log_recover.c
index ef7cf68..73f4d36 100644
--- a/libxlog/xfs_log_recover.c
+++ b/libxlog/xfs_log_recover.c
@@ -254,7 +254,7 @@ xlog_find_verify_cycle(
 	 * try a smaller size.  We need to be able to read at least
 	 * a log sector, or we're out of luck.
 	 */
-	bufblks = 1 << ffs(nbblks);
+	bufblks = (xfs_daddr_t)1 << ffs(nbblks);
 	while (bufblks > log->l_logBBsize)
 		bufblks >>= 1;
 	while (!(bp = xlog_get_bp(log, bufblks))) {
-- 
1.7.9.5