diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/f2fs/segment.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index f77b3258454a..7965957dd0e6 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -1623,6 +1623,10 @@ static int read_normal_summaries(struct f2fs_sb_info *sbi, int type) static int restore_curseg_summaries(struct f2fs_sb_info *sbi) { + struct f2fs_summary_block *s_sits = + CURSEG_I(sbi, CURSEG_COLD_DATA)->sum_blk; + struct f2fs_summary_block *s_nats = + CURSEG_I(sbi, CURSEG_HOT_DATA)->sum_blk; int type = CURSEG_HOT_DATA; int err; @@ -1649,6 +1653,11 @@ static int restore_curseg_summaries(struct f2fs_sb_info *sbi) return err; } + /* sanity check for summary blocks */ + if (nats_in_cursum(s_nats) > NAT_JOURNAL_ENTRIES || + sits_in_cursum(s_sits) > SIT_JOURNAL_ENTRIES) + return -EINVAL; + return 0; } |