linux-kernel - Re: vmlinux.o: warning: objtool: vmw_port_hb_in+0x1df: return with modified stack frame

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Date:   Tue, 30 May 2023 16:29:25 -0700
From:   Josh Poimboeuf <jpoimboe@...nel.org>
To:     kernel test robot <lkp@...el.com>
Cc:     Josh Poimboeuf <jpoimboe@...hat.com>,
        oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Peter Zijlstra <peterz@...radead.org>,
        Miroslav Benes <mbenes@...e.cz>
Subject: Re: vmlinux.o: warning: objtool: vmw_port_hb_in+0x1df: return with
 modified stack frame

On Tue, May 16, 2023 at 01:44:48AM +0800, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   f1fcbaa18b28dec10281551dfe6ed3a3ed80e3d6
> commit: 72064474964724c59ddff58a581a31b1ede75cf9 objtool: Make stack validation frame-pointer-specific
> date:   1 year, 1 month ago
> config: x86_64-randconfig-x091-20230515
> compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
> reproduce (this is a W=1 build):
>         # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=72064474964724c59ddff58a581a31b1ede75cf9
>         git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>         git fetch --no-tags linus master
>         git checkout 72064474964724c59ddff58a581a31b1ede75cf9
>         # save the config file
>         mkdir build_dir && cp config build_dir/.config
>         make W=1 O=build_dir ARCH=x86_64 olddefconfig
>         make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash
> 
> If you fix the issue, kindly add following tag where applicable
> | Reported-by: kernel test robot <lkp@...el.com>
> | Link: https://lore.kernel.org/oe-kbuild-all/202305160128.ULUxagaV-lkp@intel.com/

A link to the actual config would help...

-- 
Josh