Re: [PATCH v3 5/6] maple_tree: add sufficient height

[Vasily Gorbik]

On Tue, Mar 11, 2025 at 10:40:17AM -0400, Sidhartha Kumar wrote:
> Would you be able to rerun this test with the following diff applied and
> CONFIG_DEBUG_MAPLE_TREE=y so I can check the state of the tree to easier
> reproduce the error?
> 
> diff --git a/lib/maple_tree.c b/lib/maple_tree.c
> index ea1f0acac118..74a4b1924a55 100644
> --- a/lib/maple_tree.c
> +++ b/lib/maple_tree.c
> @@ -1153,8 +1153,11 @@ static inline struct maple_node *mas_pop_node(struct
> ma_state *mas)
>         unsigned int req = mas_alloc_req(mas);
> 
>         /* nothing or a request pending. */
> -       if (WARN_ON(!total))
> +       if (WARN_ON(!total)) {
> +               mas_dump(mas);
> +               mt_dump(mas->tree, mt_dump_hex);
>                 return NULL;
> +       }

Sure, please find vmcore-dmesg.txt.xz attached

Attachment: vmcore-dmesg.txt.xz
Description: application/xz