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Fri, 06 Dec 2024 06:16:03 -0800 (PST) Date: Fri, 06 Dec 2024 06:16:03 -0800 In-Reply-To: <000000000000d69fc4060c7d50a2@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67530723.050a0220.a30f1.013f.GAE@google.com> Subject: Re: [syzbot] [hfs?] [mm?] KASAN: slab-out-of-bounds Write in shmem_file_read_iter From: syzbot To: akpm@linux-foundation.org, brauner@kernel.org, bvanassche@acm.org, cascardo@igalia.com, chao@kernel.org, hughd@google.com, josef@toxicpanda.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, rdunlap@infradead.org, sandeen@redhat.com, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk, willy@infradead.org Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: A3198A0016 X-Stat-Signature: zdj74b8kq4qsz43nag68nrtmt9iwiq53 X-Rspam-User: X-HE-Tag: 1733494552-374524 X-HE-Meta: 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 Yk2f8Csd 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 5laLpc7s AQMFRUPc053WnUmvpLxWok4V2svLr/tJYjmK75ec4CP1S0g+neHOBiLn3x+sTha3q11krpmTNdGmaLKJZG9qBhdoYqCF0rDWRtT29j4dKF58M8XAlICXuH3hrt/G7z2zzQGZgFm04GA/nTzIxTDVRQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.003501, 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 1c82587cb57687de3f18ab4b98a8850c789bedcf Author: Thadeu Lima de Souza Cascardo Date: Thu Nov 7 11:41:09 2024 +0000 hfsplus: don't query the device logical block size multiple times bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=174098df980000 start commit: fe46a7dd189e Merge tag 'sound-6.9-rc1' of git://git.kernel.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=4d90a36f0cab495a dashboard link: https://syzkaller.appspot.com/bug?extid=3e719fc23ab95580e4c2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14903769180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14f25d81180000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: hfsplus: don't query the device logical block size multiple times For information about bisection process see: https://goo.gl/tpsmEJ#bisection