linux-kernel - Re: [syzbot] [sound?] kernel BUG in filemap

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Message-ID: <68c69e17.050a0220.3c6139.04e1.GAE@google.com>
Date: Sun, 14 Sep 2025 03:51:03 -0700
From: syzbot <syzbot+263f159eb37a1c4c67a4@...kaller.appspotmail.com>
To: akpm@...ux-foundation.org, chaitanyas.prakash@....com, davem@...emloft.net, 
	david@...hat.com, edumazet@...gle.com, hdanton@...a.com, horms@...nel.org, 
	jack@...e.cz, kuba@...nel.org, kuniyu@...gle.com, 
	linux-kernel@...r.kernel.org, linux-sound@...r.kernel.org, 
	netdev@...r.kernel.org, pabeni@...hat.com, perex@...ex.cz, 
	ryan.roberts@....com, syzkaller-bugs@...glegroups.com, tiwai@...e.com, 
	willemb@...gle.com
Subject: Re: [syzbot] [sound?] kernel BUG in filemap_fault (2)

syzbot suspects this issue was fixed by commit:

commit bdb86f6b87633cc020f8225ae09d336da7826724
Author: Ryan Roberts <ryan.roberts@....com>
Date:   Mon Jun 9 09:27:23 2025 +0000

    mm/readahead: honour new_order in page_cache_ra_order()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1100b934580000
start commit:   b4911fb0b060 Merge tag 'mmc-v6.16-rc1' of git://git.kernel..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=3f6ddf055b5c86f8
dashboard link: https://syzkaller.appspot.com/bug?extid=263f159eb37a1c4c67a4
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=157cf48c580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=146a948c580000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: mm/readahead: honour new_order in page_cache_ra_order()

For information about bisection process see: https://goo.gl/tpsmEJ#bisection