From: David Hildenbrand <david@redhat.com>
To: syzbot <syzbot+16b1da89309a06cd0e3a@syzkaller.appspotmail.com>,
akpm@linux-foundation.org, bhelgaas@google.com, bp@alien8.de,
dave.hansen@linux.intel.com, guohui.study@gmail.com,
hpa@zytor.com, jannh@google.com, kirill.shutemov@linux.intel.com,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
luto@kernel.org, mingo@redhat.com, peterz@infradead.org,
seanjc@google.com, syzkaller-bugs@googlegroups.com,
tglx@linutronix.de, torvalds@linux-foundation.org,
x86@kernel.org
Subject: Re: [syzbot] [kernel?] WARNING in get_pat_info
Date: Mon, 11 Nov 2024 10:45:08 +0100 [thread overview]
Message-ID: <638e9672-850c-4bcd-bf5c-46a86be906f9@redhat.com> (raw)
In-Reply-To: <6731a6c4.050a0220.138bd5.005e.GAE@google.com>
On 11.11.24 07:40, syzbot wrote:
> syzbot has bisected this issue to:
>
> commit 79a61cc3fc0466ad2b7b89618a6157785f0293b3
> Author: Linus Torvalds <torvalds@linux-foundation.org>
> Date: Thu Sep 12 00:11:23 2024 +0000
>
> mm: avoid leaving partial pfn mappings around in error case
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11df65f7980000
> start commit: 7758b206117d Merge tag 'tracefs-v6.12-rc6' of git://git.ke..
> git tree: upstream
> final oops: https://syzkaller.appspot.com/x/report.txt?x=13df65f7980000
> console output: https://syzkaller.appspot.com/x/log.txt?x=15df65f7980000
> kernel config: https://syzkaller.appspot.com/x/.config?x=921b01cbfd887a9b
> dashboard link: https://syzkaller.appspot.com/bug?extid=16b1da89309a06cd0e3a
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=148adf40580000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1704ae30580000
>
> Reported-by: syzbot+16b1da89309a06cd0e3a@syzkaller.appspotmail.com
> Fixes: 79a61cc3fc04 ("mm: avoid leaving partial pfn mappings around in error case")
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
>
As discussed elsewhere [1], the patch [2] from Peter should fix this one.
I should probably resend both VM_PAT fixes that are on the list in a
single series.
[1]
https://lkml.kernel.org/r/262aa19c-59fe-420a-aeae-0b1866a3e36b@redhat.com
[2]
https://lore.kernel.org/all/20240712144244.3090089-1-peterx@redhat.com/T/#u
--
Cheers,
David / dhildenb
next prev parent reply other threads:[~2024-11-11 9:45 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <000000000000ebc1a306219068a5@google.com>
2024-11-11 6:40 ` syzbot
2024-11-11 9:45 ` David Hildenbrand [this message]
2025-06-30 20:06 ` syzbot
2025-06-30 20:08 ` David Hildenbrand
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