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Fri, 26 Apr 2024 13:57:02 -0700 (PDT) Date: Fri, 26 Apr 2024 13:57:02 -0700 In-Reply-To: <000000000000f386f90616fea5ef@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000003e1ae2061706252a@google.com> Subject: Re: [syzbot] [ntfs3?] KASAN: slab-use-after-free Read in chrdev_open From: syzbot To: almaz.alexandrovich@paragon-software.com, clang-built-linux@googlegroups.com, kari.argillander@gmail.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, nathan@kernel.org, ndesaulniers@google.com, ntfs3@lists.linux.dev, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit ef9297007e9904588682699e618c56401f61d1c2 Author: Kari Argillander Date: Thu Sep 2 15:40:49 2021 +0000 fs/ntfs3: Make binary search to search smaller chunks in beginning bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=144f18b0980000 start commit: e33c4963bf53 Merge tag 'nfsd-6.9-5' of git://git.kernel.or.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=164f18b0980000 console output: https://syzkaller.appspot.com/x/log.txt?x=124f18b0980000 kernel config: https://syzkaller.appspot.com/x/.config?x=5a05c230e142f2bc dashboard link: https://syzkaller.appspot.com/bug?extid=5d34cc6474499a5ff516 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11655ed8980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12499380980000 Reported-by: syzbot+5d34cc6474499a5ff516@syzkaller.appspotmail.com Fixes: ef9297007e99 ("fs/ntfs3: Make binary search to search smaller chunks in beginning") For information about bisection process see: https://goo.gl/tpsmEJ#bisection