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[2003:d8:2f40:b300:53f7:d260:aff4:7256]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3a88c7e7098sm11043720f8f.4.2025.06.30.13.08.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 30 Jun 2025 13:08:39 -0700 (PDT) Message-ID: Date: Mon, 30 Jun 2025 22:08:38 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [syzbot] [kernel?] WARNING in get_pat_info To: syzbot , 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, liam.howlett@oracle.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, lorenzo.stoakes@oracle.com, 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 References: <6862ee2e.a70a0220.2f4de1.002d.GAE@google.com> From: David Hildenbrand Content-Language: en-US Autocrypt: addr=david@redhat.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 30.06.25 22:06, syzbot wrote: > syzbot suspects this issue was fixed by commit: > > commit f8e97613fed25758ddf52159b87e1c66e619a23a > Author: David Hildenbrand > Date: Mon May 12 12:34:17 2025 +0000 > > mm: convert VM_PFNMAP tracking to pfnmap_track() + pfnmap_untrack() > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12f1448c580000 > start commit: fac04efc5c79 Linux 6.13-rc2 > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=fee25f93665c89ac > dashboard link: https://syzkaller.appspot.com/bug?extid=16b1da89309a06cd0e3a > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13e2ab30580000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11d113e8580000 > > If the result looks correct, please mark the issue as fixed by replying with: > > #syz fix: mm: convert VM_PFNMAP tracking to pfnmap_track() + pfnmap_untrack() Yes, that should be correct. I didnt't remember that we had a syzbot complaint about that one, otherwise I would have tagged it. #syz fix: mm: convert VM_PFNMAP tracking to pfnmap_track() + pfnmap_untrack() -- Cheers, David / dhildenb