diff options
| author | Chao Yu <chao@kernel.org> | 2026-02-17 12:30:16 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-02-19 16:33:26 +0100 |
| commit | 971aa8e2a4043d92bf62061b79f74fd4ac59165a (patch) | |
| tree | a3e180962f3e075dfa1ba40fab09c0f0c7f4ffea /fs/f2fs | |
| parent | 73cadc0efc60d2cd659806688cf022ead20921e5 (diff) | |
f2fs: fix to do sanity check on node footer in __write_node_folio()
[ Upstream commit 0a736109c9d29de0c26567e42cb99b27861aa8ba ]
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 <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/node.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 3dacc90ee9a6..fc3110efb498 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1751,7 +1751,11 @@ 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; |