[LTP] [PATCH v1 1/2] fsx-linux: Fix reference buffer corruption in op_map_read()

[Jinseok Kim]

op_map_read() copied mmapped memory to file_buff before comparison,
overwriting the reference data. Drop the invalid memcpy().

Signed-off-by: Jinseok Kim <always.starving0@gmail.com>
---
 testcases/kernel/fs/fsx-linux/fsx-linux.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/testcases/kernel/fs/fsx-linux/fsx-linux.c b/testcases/kernel/fs/fsx-linux/fsx-linux.c
index 2e0f17a5e..21390c58c 100644
--- a/testcases/kernel/fs/fsx-linux/fsx-linux.c
+++ b/testcases/kernel/fs/fsx-linux/fsx-linux.c
@@ -219,8 +219,6 @@ static int op_map_read(void)
 		file_desc,
 		(off_t)pos.offset);

-	memcpy(file_buff + pos.offset, addr, pos.size);
-
 	int ret = memory_compare(
 		addr,
 		file_buff + pos.offset,
--
2.43.0