Enables to detect corrupted sit journal a) total count of entries. b) segment no. in entry.
Signed-off-by: Chao Yu <[email protected]> --- fsck/mount.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/fsck/mount.c b/fsck/mount.c index a627f1d..909c1f4 100644 --- a/fsck/mount.c +++ b/fsck/mount.c @@ -1912,8 +1912,25 @@ static int build_sit_entries(struct f2fs_sb_info *sbi) } free(sit_blk); + + if (sits_in_cursum(journal) > SIT_JOURNAL_ENTRIES) { + MSG(0, "\tError: build_sit_entries truncate n_sits(%u) to " + "SIT_JOURNAL_ENTRIES(%lu)\n", + sits_in_cursum(journal), SIT_JOURNAL_ENTRIES); + journal->n_sits = cpu_to_le16(SIT_JOURNAL_ENTRIES); + c.fix_on = 1; + } + for (i = 0; i < sits_in_cursum(journal); i++) { segno = le32_to_cpu(segno_in_journal(journal, i)); + + if (segno >= TOTAL_SEGS(sbi)) { + MSG(0, "\tError: build_sit_entries: segno(%u) is invalid!!!\n", segno); + journal->n_sits = cpu_to_le16(i); + c.fix_on = 1; + continue; + } + se = &sit_i->sentries[segno]; sit = sit_in_journal(journal, i); -- 2.18.0.rc1 _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
