linux-kernel - Re: [syzbot] [mm?] WARNING in __folio_rmap_sanity

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Message-ID: <c67da388-4231-47e5-a70e-8af32a8a5b57@redhat.com>
Date: Sat, 11 Jan 2025 10:25:59 +0100
From: David Hildenbrand <david@...hat.com>
To: "Liam R. Howlett" <Liam.Howlett@...cle.com>,
 syzbot <syzbot+c0673e1f1f054fac28c2@...kaller.appspotmail.com>,
 akpm@...ux-foundation.org, hdanton@...a.com, linux-kernel@...r.kernel.org,
 linux-mm@...ck.org, syzkaller-bugs@...glegroups.com, willy@...radead.org
Subject: Re: [syzbot] [mm?] WARNING in __folio_rmap_sanity_checks (2)

On 10.01.25 22:03, Liam R. Howlett wrote:
> * syzbot <syzbot+c0673e1f1f054fac28c2@...kaller.appspotmail.com> [241228 07:25]:
>> syzbot has found a reproducer for the following issue on:
>>
>> HEAD commit:    8155b4ef3466 Add linux-next specific files for 20241220
>> git tree:       linux-next
>> console output: https://syzkaller.appspot.com/x/log.txt?x=1661050f980000
>> kernel config:  https://syzkaller.appspot.com/x/.config?x=9c90bb7161a56c88
>> dashboard link: https://syzkaller.appspot.com/bug?extid=c0673e1f1f054fac28c2
>> compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
>> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=17438af8580000
>> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=101006df980000
>>
>> Downloadable assets:
>> disk image: https://storage.googleapis.com/syzbot-assets/98a974fc662d/disk-8155b4ef.raw.xz
>> vmlinux: https://storage.googleapis.com/syzbot-assets/2dea9b72f624/vmlinux-8155b4ef.xz
>> kernel image: https://storage.googleapis.com/syzbot-assets/593a42b9eb34/bzImage-8155b4ef.xz
>> mounted in repro: https://storage.googleapis.com/syzbot-assets/5f780361c9ef/mount_0.gz
>>
>> IMPORTANT: if you fix the issue, please add the following tag to the commit:
>> Reported-by: syzbot+c0673e1f1f054fac28c2@...kaller.appspotmail.com
>>
> 
> #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm mm-unstable
> 

#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm mm-stable

-- 
Cheers,

David / dhildenb