6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: David Sterba dsterba@suse.com
[ Upstream commit 5d2288711ccc483feca73151c46ee835bda17839 ]
Change BUG_ON to proper error handling when an unexpected inode number is encountered. As the comment says this should never happen.
Signed-off-by: David Sterba dsterba@suse.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/btrfs/send.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index b153f6a96fc8c..9da3c72eb6153 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -4195,7 +4195,13 @@ static int process_recorded_refs(struct send_ctx *sctx, int *pending_move) * This should never happen as the root dir always has the same ref * which is always '..' */ - BUG_ON(sctx->cur_ino <= BTRFS_FIRST_FREE_OBJECTID); + if (unlikely(sctx->cur_ino <= BTRFS_FIRST_FREE_OBJECTID)) { + btrfs_err(fs_info, + "send: unexpected inode %llu in process_recorded_refs()", + sctx->cur_ino); + ret = -EINVAL; + goto out; + }
valid_path = fs_path_alloc(); if (!valid_path) {