[PATCH] f2fs-tools: initialize allocated node area

From: Daeho Jeong
Date: Fri Oct 13 2023 - 18:25:00 EST


From: Daeho Jeong <daehojeong@xxxxxxxxxx>

Need to initialize allocated node areas after memory allocation.

Signed-off-by: Daeho Jeong <daehojeong@xxxxxxxxxx>
---
fsck/node.c | 1 +
include/f2fs_fs.h | 2 ++
2 files changed, 3 insertions(+)

diff --git a/fsck/node.c b/fsck/node.c
index 3761470..6508340 100644
--- a/fsck/node.c
+++ b/fsck/node.c
@@ -127,6 +127,7 @@ block_t new_node_block(struct f2fs_sb_info *sbi,

node_blk = calloc(BLOCK_SZ, 1);
ASSERT(node_blk);
+ memset(node_blk, 0, BLOCK_SZ);

F2FS_NODE_FOOTER(node_blk)->nid = cpu_to_le32(dn->nid);
F2FS_NODE_FOOTER(node_blk)->ino = F2FS_NODE_FOOTER(f2fs_inode)->ino;
diff --git a/include/f2fs_fs.h b/include/f2fs_fs.h
index 3c7451c..7e22278 100644
--- a/include/f2fs_fs.h
+++ b/include/f2fs_fs.h
@@ -1826,6 +1826,8 @@ static inline void show_version(const char *prog)
static inline void f2fs_init_inode(struct f2fs_super_block *sb,
struct f2fs_node *raw_node, nid_t ino, time_t mtime, mode_t mode)
{
+ memset(raw_node, 0, F2FS_BLKSIZE);
+
F2FS_NODE_FOOTER(raw_node)->nid = cpu_to_le32(ino);
F2FS_NODE_FOOTER(raw_node)->ino = cpu_to_le32(ino);
F2FS_NODE_FOOTER(raw_node)->cp_ver = cpu_to_le64(1);
--
2.42.0.655.g421f12c284-goog