Add node footer sanity check during node folio's writeback, if sanity check fails, let's shutdown filesystem to avoid looping to redirty and writeback in .writepages.
Signed-off-by: Chao Yu <[email protected]> --- v5: - split original [patch 1/2] to two, in this patch, just use sanity_check_node_footer() to do sanity check during writeback. fs/f2fs/node.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 99e425e8c00a..bd4681a8a646 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1763,7 +1763,11 @@ static bool __write_node_folio(struct folio *folio, bool atomic, bool *submitted /* get old block addr of this node page */ nid = nid_of_node(folio); - f2fs_bug_on(sbi, folio->index != nid); + + if (sanity_check_node_footer(sbi, folio, nid, NODE_TYPE_REGULAR)) { + f2fs_handle_critical_error(sbi, STOP_CP_REASON_CORRUPTED_NID); + goto redirty_out; + } if (f2fs_get_node_info(sbi, nid, &ni, !do_balance)) goto redirty_out; -- 2.40.1 _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
