linux-kernel - Re: lib/maple_tree.c:4056:1: error: the frame size of 1144 bytes is larger than 1024 bytes

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Message-ID: <hxxufpccovvtnoypt4bukrpt4qrhiydlena5tdxqdxpmlduiii@2wac57fy4mqj>
Date: Thu, 30 Jan 2025 11:13:42 -0500
From: "Liam R. Howlett" <Liam.Howlett@...cle.com>
To: Scall <scall@...semail.net>
Cc: Andrew Morton <akpm@...ux-foundation.org>, maple-tree@...ts.infradead.org,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Wei Yang <richard.weiyang@...il.com>
Subject: Re: lib/maple_tree.c:4056:1: error: the frame size of 1144 bytes is
 larger than 1024 bytes

* Scall <scall@...semail.net> [250130 10:53]:
> Trying to build Linux 6.12.11 with GCC 14.2.1 and KCFLAGS="-O3":

Thanks.  I received a report of a frame size issue directly (not over
email) from someone else.

Do you have KASAN or lock debugging on?


> 
> [...]
> lib/maple_tree.c: In function 'mas_wr_bnode':
> lib/maple_tree.c:4056:1: error: the frame size of 1144 bytes is larger than
> 1024 bytes [-Werror=frame-larger-than=]
>   4056 | }
>        | ^
> [...]

Does the issue go away when reverting 8c7904a8cd0df ("maple_tree: i is
always less than or equal to mas_end") ?

Thanks,
Liam