From a913944b7e534191e53ad8a7b3d39b69d00967c8 Mon Sep 17 00:00:00 2001 From: Omar Sandoval Date: Fri, 11 May 2018 13:13:31 -0700 Subject: [PATCH] Btrfs: don't BUG_ON() in btrfs_truncate_inode_items() [ Upstream commit 0552210997badb6a60740a26ff9d976a416510f0 ] btrfs_free_extent() can fail because of ENOMEM. There's no reason to panic here, we can just abort the transaction. Fixes: f4b9aa8d3b87 ("btrfs_truncate") Reviewed-by: Nikolay Borisov Signed-off-by: Omar Sandoval Reviewed-by: David Sterba Signed-off-by: David Sterba Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- fs/btrfs/inode.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 23c6c9d393fb0..bd400cf2756fc 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -4671,7 +4671,10 @@ delete: extent_num_bytes, 0, btrfs_header_owner(leaf), ino, extent_offset); - BUG_ON(ret); + if (ret) { + btrfs_abort_transaction(trans, ret); + break; + } if (btrfs_should_throttle_delayed_refs(trans, fs_info)) btrfs_async_run_delayed_refs(fs_info, trans->delayed_ref_updates * 2, -- 2.47.2