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Tue, 30 Dec 2025 17:42:02 -0800 (PST) Date: Tue, 30 Dec 2025 17:42:02 -0800 In-Reply-To: <67a4eae3.050a0220.65602.0001.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69547f6a.050a0220.a1b6.0308.GAE@google.com> Subject: Re: [syzbot] [mm?] KASAN: slab-use-after-free Read in list_lru_del From: syzbot To: akpm@linux-foundation.org, david@fromorbit.com, gfs2@lists.linux.dev, hughd@google.com, kent.overstreet@linux.dev, linux-bcachefs@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mmpgouride@gmail.com, muchun.song@linux.dev, roman.gushchin@linux.dev, syzkaller-bugs@googlegroups.com, zhengqi.arch@bytedance.com Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam02 X-Stat-Signature: 1o8ij5bqc9yn4ioie467k9b45r9bdbhw X-Rspam-User: X-Rspamd-Queue-Id: 70B0F1C0004 X-HE-Tag: 1767145323-51691 X-HE-Meta: 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 D9KP0lT1 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 QWwglTZL CXKxSFkQzBEU32cypG1PWsu7vKdQeVtnHfh92RDtfDs4UkKApfZprFTlleYGK5TfwHvzZcsBKIkAV0ghU0a/0bTKJwJl+cS+OPvXlcLAIXr5USx8v6PJuF4wSum46d1Dl6IbvbxNmyQ= 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 3a04334d6282d08fbdd6201e374db17d31927ba3 Author: Alan Huang Date: Fri Mar 7 16:58:27 2025 +0000 bcachefs: Fix b->written overflow bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=117f329a580000 start commit: 03d38806a902 Merge tag 'thermal-6.14-rc5' of git://git.ker.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=8de9cc84d5960254 dashboard link: https://syzkaller.appspot.com/bug?extid=6663075ddb9be85fa6e5 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=104d2864580000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: bcachefs: Fix b->written overflow For information about bisection process see: https://goo.gl/tpsmEJ#bisection