This patch adds to handle corner buggy cases for fsck.f2fs.
Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---
fs/f2fs/segment.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 46586d3..853c8f5 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -317,6 +317,10 @@ static void __locate_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno,
struct seg_entry *sentry = get_seg_entry(sbi, segno);
enum dirty_type t = sentry->type;
+ if (unlikely(t >= DIRTY)) {
+ f2fs_bug_on(sbi, 1);
+ return;
+ }
if (!test_and_set_bit(segno, dirty_i->dirty_segmap[t]))
dirty_i->nr_dirty[t]++;
}
@@ -1745,8 +1749,12 @@ static void init_dirty_segmap(struct f2fs_sb_info *sbi)
break;
offset = segno + 1;
valid_blocks = get_valid_blocks(sbi, segno, 0);
- if (valid_blocks >= sbi->blocks_per_seg || !valid_blocks)
+ if (valid_blocks == sbi->blocks_per_seg || !valid_blocks)
continue;
+ if (valid_blocks > sbi->blocks_per_seg) {
+ f2fs_bug_on(sbi, 1);
+ continue;
+ }
mutex_lock(&dirty_i->seglist_lock);
__locate_dirty_segment(sbi, segno, DIRTY);
mutex_unlock(&dirty_i->seglist_lock);
--
1.8.5.2 (Apple Git-48)
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