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Mon, 22 Jun 2026 13:24:59 -0700 (PDT) Date: Mon, 22 Jun 2026 13:24:59 -0700 In-Reply-To: <88AEEEF8-B9D9-48C8-9069-00E8528BB619@nvidia.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a399a1b.b71f6517.a55ba.0002.GAE@google.com> Subject: [syzbot ci] Re: mm: page_ext: add count limit to page_ext_iter_next to prevent invalid PFN access From: syzbot ci To: ziy@nvidia.com, akpm@linux-foundation.org, david@kernel.org, hannes@cmpxchg.org, jackmanb@google.com, kernel@oss.qualcomm.com, ketan.kishore@oss.qualcomm.com, liam@infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, ljs@kernel.org, luizcap@redhat.com, mhocko@suse.com, rppt@kernel.org, stable@vger.kernel.org, surenb@google.com, syzbot@lists.linux.dev, syzkaller-bugs@googlegroups.com, vbabka@kernel.org, willy@infradead.org Cc: syzbot@lists.linux.dev, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 9F3B440004 X-Stat-Signature: o9t185k4tijjihdjex4pi34ngs3665ge X-HE-Tag: 1782159900-476737 X-HE-Meta: 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 6fBqH/Is 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 c+byI0MX Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: syzbot ci has tested the suggested fix patch on top of the following series: [v2] mm: page_ext: add count limit to page_ext_iter_next to prevent invalid PFN access https://lore.kernel.org/all/20260622-page_ext-v2-1-135d4cfbc42f@oss.qualcomm.com Patch: https://ci.syzbot.org/jobs/c1b2fffb-acae-4bd1-b00c-622d37f59120/patch Testing results: * [build 0] Build Patched: passed * [build 0] Boot test: Patched: passed Full report is available here: https://ci.syzbot.org/session/e38844bc-7d59-4cf9-ac06-b987a2745fb3 --- This report is generated by a bot. It may contain errors. syzbot ci engineers can be reached at syzkaller@googlegroups.com.