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Sun, 10 Nov 2024 22:40:04 -0800 (PST) Date: Sun, 10 Nov 2024 22:40:04 -0800 In-Reply-To: <000000000000ebc1a306219068a5@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6731a6c4.050a0220.138bd5.005e.GAE@google.com> Subject: Re: [syzbot] [kernel?] WARNING in get_pat_info From: syzbot To: akpm@linux-foundation.org, bhelgaas@google.com, bp@alien8.de, dave.hansen@linux.intel.com, david@redhat.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 Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 8F78640011 X-Stat-Signature: s4ffb5d84mjcm3qgw8d36onzmimtowka X-Rspam-User: X-HE-Tag: 1731307154-410210 X-HE-Meta: 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 tsOI5fdq 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 tG9wlcDs LzYICa5GYj7BKjPXt/OyzxKEmVbmXfRFfHySaHJ5IMWVUnqb6+C+0kkn6kCJ+HbGLOBjhBLReaHYpByYF5gfOQ+PhxlXrSq7fvfakri9VzoRRC4OUk6WMUWrGY3+0ZRtB02nXzwRP1MhsJPJ0QZdchXxsU18/gVudBoPJDMenTUHObH12cwsK/ZMRUjlsD2ugeDfqM+CfjVPmLCqAo0Idxz+8Tsm581HwWA4Hed4Ffx80EdEtdM3JQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: syzbot has bisected this issue to: commit 79a61cc3fc0466ad2b7b89618a6157785f0293b3 Author: Linus Torvalds 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