From: Andrew Morton <akpm@linux-foundation.org>
To: syzbot <syzbot+5c417b73ac02e0e352c4@syzkaller.appspotmail.com>
Cc: jannh@google.com, liam@infradead.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org, ljs@kernel.org,
pfalcato@suse.de, syzkaller-bugs@googlegroups.com,
vbabka@kernel.org
Subject: Re: [syzbot] [mm?] WARNING in __split_vma
Date: Thu, 27 Aug 2026 09:33:22 -0700 [thread overview]
Message-ID: <20260827093322.f99541b28aad2a3c069ed155@linux-foundation.org> (raw)
In-Reply-To: <6a8ff666.27659fcc.2ceef7.000f.GAE@google.com>
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
next prev parent reply other threads:[~2026-08-27 16:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-27 8:33 syzbot
2026-08-27 16:33 ` Andrew Morton [this message]
2026-08-27 17:50 ` Lorenzo Stoakes (ARM)
2026-08-27 17:49 ` Lorenzo Stoakes (ARM)
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