[PATCH 2/2] fsck.f2fs: drop extent_info to avoid potential wrong access

[Jaegeuk Kim <jaegeuk@kernel.org>]

This patch avoids wrong extent information modified by fixing block addresses.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
 fsck/fsck.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fsck/fsck.c b/fsck/fsck.c
index bbd4cab..70efce6 100644
--- a/fsck/fsck.c
+++ b/fsck/fsck.c
@@ -722,6 +722,8 @@ skip_blkcnt_fix:
 		}
 	}
 	if (need_fix) {
+		/* drop extent information to avoid potential wrong access */
+		node_blk->i.i_ext.len = 0;
 		ret = dev_write_block(node_blk, ni->blk_addr);
 		ASSERT(ret >= 0);
 	}
-- 
2.1.1


------------------------------------------------------------------------------
Don't Limit Your Business. Reach for the Cloud.
GigeNET's Cloud Solutions provide you with the tools and support that
you need to offload your IT needs and focus on growing your business.
Configured For All Businesses. Start Your Cloud Today.
https://www.gigenetcloud.com/