From: "Lorenzo Stoakes (ARM)" <ljs@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: syzbot <syzbot+5c417b73ac02e0e352c4@syzkaller.appspotmail.com>,
jannh@google.com, liam@infradead.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
pfalcato@suse.de, syzkaller-bugs@googlegroups.com,
vbabka@kernel.org
Subject: Re: [syzbot] [mm?] WARNING in __split_vma
Date: Thu, 27 Aug 2026 18:50:25 +0100 [thread overview]
Message-ID: <apB40XmmVSp5pwme@gremlin> (raw)
In-Reply-To: <20260827093322.f99541b28aad2a3c069ed155@linux-foundation.org>
On Thu, Aug 27, 2026 at 09:33:22AM -0700, Andrew Morton wrote:
> On Thu, 27 Aug 2026 01:33:42 -0700 syzbot <syzbot+5c417b73ac02e0e352c4@syzkaller.appspotmail.com> wrote:
>
> > Hello,
> >
> > syzbot found the following issue on:
> >
> > HEAD commit: 818bebeb63dd drm/xe: Don't hand out the flat CCS storage a..
> > git tree: upstream
> > console output: https://syzkaller.appspot.com/x/log.txt?x=1645f979580000
> > kernel config: https://syzkaller.appspot.com/x/.config?x=ccca94d2c01b9e78
> > dashboard link: https://syzkaller.appspot.com/bug?extid=5c417b73ac02e0e352c4
> > compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
> > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=104a0d49580000
> > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13f35979580000
> >
> > Downloadable assets:
> > disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-818bebeb.raw.xz
> > vmlinux: https://storage.googleapis.com/syzbot-assets/6e4100526b12/vmlinux-818bebeb.xz
> > kernel image: https://storage.googleapis.com/syzbot-assets/723c4783ee96/bzImage-818bebeb.xz
> >
> > IMPORTANT: if you fix the issue, please add the following tag to the commit:
> > Reported-by: syzbot+5c417b73ac02e0e352c4@syzkaller.appspotmail.com
>
> Thanks.
>
> Hopefully fixed by the pending "mm/mremap: reset unfaulted VMA page
> offset for MREMAP_DONTUNMAP".
>
> https://lore.kernel.org/20260825-fix-mremap-dontunmap-pgoff-v1-1-39a40b2c98b3@kernel.org
Sorry, yeah, this looks to be the exact same thing, marked as dupe!
--
Cheers, Lorenzo
next prev parent reply other threads:[~2026-08-27 17:50 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-27 8:33 [syzbot] [mm?] WARNING in __split_vma syzbot
2026-08-27 16:33 ` Andrew Morton
2026-08-27 17:50 ` Lorenzo Stoakes (ARM) [this message]
2026-08-27 17:49 ` Lorenzo Stoakes (ARM)
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