Re: [syzbot] [netfs?] kernel BUG in folio_unlock (3)

[Hillf Danton]

On Thu, 20 Feb 2025 08:00:24 -0800
> syzbot found the following issue on:
> 
> HEAD commit:    6537cfb395f3 Merge tag 'sound-6.14-rc4' of git://git.kerne..
> git tree:       upstream
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=141b4ba4580000

#syz test

--- x/fs/netfs/buffered_write.c
+++ y/fs/netfs/buffered_write.c
@@ -338,7 +338,7 @@ ssize_t netfs_perform_write(struct kiocb
 		folio_put(folio);
 		ret = filemap_write_and_wait_range(mapping, fpos, fpos + flen - 1);
 		if (ret < 0)
-			goto error_folio_unlock;
+			break;
 		continue;
 
 	copied:
--