[PATCH] xfs_db: bit fuzzing should read the right bit when flipping

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The middle and last bit flip fuzz verbs need to read the same bit that
they're trying to set.

Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
 db/fuzz.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/db/fuzz.c b/db/fuzz.c
index 53cedbc..d0d78a9 100644
--- a/db/fuzz.c
+++ b/db/fuzz.c
@@ -226,7 +226,7 @@ fuzz_lastbit(
 	int		nbits)
 {
 	setbit_l((char *)buf, bitoff + nbits - 1,
-			!getbit_l((char *)buf, bitoff));
+			!getbit_l((char *)buf, bitoff + nbits - 1));
 	return true;
 }
 
@@ -238,7 +238,7 @@ fuzz_middlebit(
 	int		nbits)
 {
 	setbit_l((char *)buf, bitoff + nbits / 2,
-			!getbit_l((char *)buf, bitoff));
+			!getbit_l((char *)buf, bitoff + nbits / 2));
 	return true;
 }
 
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