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Tue, 13 Aug 2024 17:32:03 -0700 (PDT) Date: Tue, 13 Aug 2024 17:32:03 -0700 In-Reply-To: <000000000000be3c1a0604b53a1c@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000ef7be4061f99da2f@google.com> Subject: Re: [syzbot] [mm?] kernel BUG in filemap_unaccount_folio From: syzbot To: airlied@redhat.com, akpm@linux-foundation.org, christian.koenig@amd.com, daniel@ffwll.ch, david@redhat.com, dri-devel@lists.freedesktop.org, fengwei.yin@intel.com, gurchetansingh@chromium.org, hughd@google.com, kraxel@redhat.com, linaro-mm-sig-bounces@lists.linaro.org, linaro-mm-sig@lists.linaro.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-mm@kvack.org, sumit.semwal@linaro.org, syzkaller-bugs@googlegroups.com, vivek.kasireddy@intel.com Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 0A7E180021 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: raqj1psdonp8sd1ne36uqi4wn5imx4qo X-HE-Tag: 1723595524-68974 X-HE-Meta: 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 HAwlBgfJ NLecX40yaVeQNuYAxGRCj4TaQmTzAcrdsZVYfw3A8kn0CaEz7ycFRqUnguKgL6/bhUwLNHscnSUcvVoRvpFok+/x4/m3di3ED/QEzT2vPHCZuaO6JdCShtt7n+Sr5Nj4b9KEcaDfs++UvdEcylg/wmz+UaUSQrJAwTznkKB78sZUPXVa3wf0oU17xAFXViUejEPlvmSdlaMN/hC1ymenHYZHbPW9x7S6HfDYKVyslmjrJmJi4vYVEJIIa3D/4wD3tbk6DOQqqwiYUbNj8dULEdtvx7QUjapB3Gqbd+wOXdhpcJ7ry2R74lhujL4UkDzuithNb8Vtq4oT7vMfI+mFZTqWXu0YmIKZAe+BIx+OHp4RCN/rcf8Cc/JCNy55nBUOrP4LetMxm+wAY88e1sIGyKZFzOATzVder/9ljqfmC9o2rhr3zFAP8BSKaXV49DcjmQIx/4ZK2TPxpavXDj4pfl5as8zgBglLJazdQU4rxbGAZM6s02+04jXPT5vZ7AaAQEYLtJmVcuqutKj0JW+E4AFIY1h9XAqEWQom42UnAYRx89KygfP5aI5jEr6QKLtsv15T//mJojNAeWITNRkSSUy6Ay8LmqflTdNcPJZCcQfJcihqyAsp0RuARpr+BNfCAdcVlWIRczAadRb20tlPIfg7e+x+pDpnlAH4fyKCwEwjbAwQX3d3e0QiWjuS/CNQPeSu+HFlkGG+4JcDAJVuA7l+JPkasW7Fc1JcAgTRJfiyv25JhgluoR8R/R8eQbCTINGFUT+7vPAEoHq/ZnswHH5xR6+mxovAV+3pVtJVZtx26CRoFYuLeeWRXUWEusl0yV4ZxYywt1y7lzFbv0C3bUEZCpoDM88iQmjiMFPnRKtKwnbZMxBL7QfyyfSPG6Tcs7wcg5DLwmFGTbLyUraPHmE6al0wGvUFT/E626rZP/tLQBoAs4WnbRVcYnksFuKYUTE+/iFRAVFhO+AlK5PDFkyUtrj/5 1ciT3SUx sO/Ujp97iPetyrnp/kMKdJH0atyBBHfLltK8Q7IfCCMlO7/BCEaW3fd9L8IPFHxGRVfghqG1AsqV6Dm1kvo5Y85gQ4KCNfiSZFEiTbLgekmQFWFou5a8BA== 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 suspects this issue was fixed by commit: commit 7d79cd784470395539bda91bf0b3505ff5b2ab6d Author: Vivek Kasireddy Date: Mon Jun 24 06:36:13 2024 +0000 udmabuf: use vmf_insert_pfn and VM_PFNMAP for handling mmap bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17dad691980000 start commit: 9b6de136b5f0 Merge tag 'loongarch-fixes-6.7-1' of git://gi.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=6ae1a4ee971a7305 dashboard link: https://syzkaller.appspot.com/bug?extid=17a207d226b8a5fb0fd9 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15f58d67680000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10a78c62e80000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: udmabuf: use vmf_insert_pfn and VM_PFNMAP for handling mmap For information about bisection process see: https://goo.gl/tpsmEJ#bisection