linux-kernel - Re: [syzbot] [mm?] kernel BUG in const_folio

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Message-ID: <674424aa.050a0220.1cc393.006a.GAE@google.com>
Date: Sun, 24 Nov 2024 23:18:02 -0800
From: syzbot <syzbot+9f9a7f73fb079b2387a6@...kaller.appspotmail.com>
To: akpm@...ux-foundation.org, linux-kernel@...r.kernel.org, 
	linux-mm@...ck.org, surajsonawane0215@...il.com, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [mm?] kernel BUG in const_folio_flags (2)

Hello,

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

./include/linux/page-flags.h:309:25: error: implicit declaration of function 'folio_nr_pages'; did you mean 'folio_page'? [-Werror=implicit-function-declaration]
./include/linux/mm.h:2056:20: error: conflicting types for 'folio_nr_pages'; have 'long int(const struct folio *)'

Tested on:

commit:         9f16d5e6 Merge tag 'for-linus' of git://git.kernel.org..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=c4515f1b6a4e50b7
dashboard link: https://syzkaller.appspot.com/bug?extid=9f9a7f73fb079b2387a6
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=1718a5c0580000