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Sun, 24 Mar 2024 01:37:02 -0700 (PDT) Date: Sun, 24 Mar 2024 01:37:02 -0700 In-Reply-To: <0000000000007628d60614449e5d@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000077c22061463f6f5@google.com> Subject: Re: [syzbot] [bpf?] general protection fault in bpf_check (2) From: syzbot To: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, eddyz87@gmail.com, haoluo@google.com, john.fastabend@gmail.com, jolsa@kernel.org, kpsingh@kernel.org, linux-kernel@vger.kernel.org, martin.lau@linux.dev, netdev@vger.kernel.org, olsajiri@gmail.com, sdf@google.com, song@kernel.org, syzkaller-bugs@googlegroups.com, yonghong.song@linux.dev Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 6082b6c328b5486da2b356eae94b8b83c98b5565 Author: Alexei Starovoitov Date: Fri Mar 8 01:08:03 2024 +0000 bpf: Recognize addr_space_cast instruction in the verifier. bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=101f5ac9180000 start commit: ddb2ffdc474a libbpf: Define MFD_CLOEXEC if not available git tree: bpf final oops: https://syzkaller.appspot.com/x/report.txt?x=121f5ac9180000 console output: https://syzkaller.appspot.com/x/log.txt?x=141f5ac9180000 kernel config: https://syzkaller.appspot.com/x/.config?x=6fb1be60a193d440 dashboard link: https://syzkaller.appspot.com/bug?extid=ba82760c63ba37799f70 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=115671f1180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14f14e31180000 Reported-by: syzbot+ba82760c63ba37799f70@syzkaller.appspotmail.com Fixes: 6082b6c328b5 ("bpf: Recognize addr_space_cast instruction in the verifier.") For information about bisection process see: https://goo.gl/tpsmEJ#bisection