linux-kernel - Re: [syzbot] [dri?] divide error in drm_mode_debug

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Message-ID: <00000000000072e1c0060a3c62a9@google.com>
Date:   Wed, 15 Nov 2023 19:12:06 -0800
From:   syzbot <syzbot+2e93e6fb36e6fdc56574@...kaller.appspotmail.com>
To:     linux-kernel@...r.kernel.org, mazinalhaddad05@...il.com,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [dri?] divide error in drm_mode_debug_printmodeline

Hello,

syzbot tried to test the proposed patch but the build/boot failed:

drivers/gpu/drm/drm_modes.c:1323:1: error: function definition is not allowed here
drivers/gpu/drm/drm_modes.c:1350:1: error: function definition is not allowed here
drivers/gpu/drm/drm_modes.c:1422:1: error: function definition is not allowed here
drivers/gpu/drm/drm_modes.c:1441:1: error: function definition is not allowed here
drivers/gpu/drm/drm_modes.c:1460:1: error: function definition is not allowed here
drivers/gpu/drm/drm_modes.c:1475:1: error: function definition is not allowed here
drivers/gpu/drm/drm_modes.c:1490:1: error: function definition is not allowed here
drivers/gpu/drm/drm_modes.c:1503:1: error: function definition is not allowed here
drivers/gpu/drm/drm_modes.c:1510:1: error: function definition is not allowed here
drivers/gpu/drm/drm_modes.c:1517:1: error: function definition is not allowed here
drivers/gpu/drm/drm_modes.c:1535:1: error: function definition is not allowed here
drivers/gpu/drm/drm_modes.c:1578:1: error: function definition is not allowed here
drivers/gpu/drm/drm_modes.c:1601:1: error: function definition is not allowed here
drivers/gpu/drm/drm_modes.c:1622:1: error: function definition is not allowed here
drivers/gpu/drm/drm_modes.c:1631:1: error: function definition is not allowed here
drivers/gpu/drm/drm_modes.c:1674:1: error: function definition is not allowed here
drivers/gpu/drm/drm_modes.c:1705:1: error: function definition is not allowed here
drivers/gpu/drm/drm_modes.c:1730:1: error: function definition is not allowed here
drivers/gpu/drm/drm_modes.c:1787:1: error: function definition is not allowed here


Tested on:

commit:         c42d9eee Merge tag 'hardening-v6.7-rc2' of git://git.k..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=88e7ba51eecd9cd6
dashboard link: https://syzkaller.appspot.com/bug?extid=2e93e6fb36e6fdc56574
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=104e9338e80000