When we get wrong extent info data, and look up extent_node in rb tree,
it will cause infinite loop (CONFIG_F2FS_CHECK_FS=n). Avoiding this by
return NULL.
Signed-off-by: wangzijie <wangzij...@honor.com>
---
fs/f2fs/extent_cache.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/f2fs/extent_cache.c b/fs/f2fs/extent_cache.c
index 199c1e7a8..6ed6f3d1d 100644
--- a/fs/f2fs/extent_cache.c
+++ b/fs/f2fs/extent_cache.c
@@ -605,6 +605,7 @@ static struct extent_node *__insert_extent_tree(struct
f2fs_sb_info *sbi,
leftmost = false;
} else {
f2fs_bug_on(sbi, 1);
+ return NULL;
}
}
--
2.25.1
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