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bh=knuha/0L3whh8nT50lR2ItuT1EONyZVV+ouqJ68QHZA=; b=hyM2YIgNuv8TB/Skh5LN48fIetwCGyFZtDIvZPG0mX4qQaShBeqlvEAhvTnRD8ApTi L3JgQ/uEJGwiGTvDmCoR4AQepL10R1kv23ga6gDt/5M/GpMx1Morh0CGpKjnZxJxoKNK BkvJ2eCRwGZt8b5CPgKWfUPS7+cRdseidkW1nUac5PdKJXNLCNhtMnK2NoHjmCSb1Fj7 QimbMTKNZpnsxXmY2Pj16W/bdL04klNfNVIKlImluW3o32SyDov0OQqquCPyn8uStTrJ 2Hm3TMl7xNfdi22WhlZ/LX1EOU15b72BGQYlKqvq3GM9GwsGlx57hybseew6BeSlGELi x7wA== X-Gm-Message-State: ACrzQf0i1n9zg1RFKs5t4aejKIFuR+EcPUGN0Ce3fAn3FjaWN9oWWRvO j0RpMb1KgPn5+PHkPnzdJSMGgNyQODYX3wHmNLvEvw== X-Received: by 2002:a9d:62d8:0:b0:66c:4f88:78ff with SMTP id z24-20020a9d62d8000000b0066c4f8878ffmr23580029otk.269.1667948024724; Tue, 08 Nov 2022 14:53:44 -0800 (PST) MIME-Version: 1.0 References: <000000000000dc81b705a0af279c@google.com> <000000000000564bd705ecdf291f@google.com> In-Reply-To: <000000000000564bd705ecdf291f@google.com> From: Dmitry Vyukov Date: Tue, 8 Nov 2022 14:53:34 -0800 Message-ID: Subject: Re: [syzbot] WARNING in bpf_check (3) To: syzbot Cc: andrii@kernel.org, andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, clang-built-linux@googlegroups.com, daniel@iogearbox.net, davem@davemloft.net, haoluo@google.com, hawk@kernel.org, john.fastabend@gmail.com, jolsa@kernel.org, kafai@fb.com, kpsingh@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, martin.lau@linux.dev, memxor@gmail.com, nathan@kernel.org, ndesaulniers@google.com, netdev@vger.kernel.org, sdf@google.com, shanavas@crystalwater.ae, song@kernel.org, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, trix@redhat.com, yhs@fb.com Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-15.1 required=5.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, ENV_AND_HDR_SPF_MATCH,RCVD_IN_DNSWL_NONE,SORTED_RECIPS,SPF_HELO_NONE, SPF_PASS,USER_IN_DEF_DKIM_WL,USER_IN_DEF_SPF_WL autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 7 Nov 2022 at 02:48, syzbot wrote: > > syzbot suspects this issue was fixed by commit: > > commit 34dd3bad1a6f1dc7d18ee8dd53f1d31bffd2aee8 > Author: Alexei Starovoitov > Date: Fri Sep 2 21:10:47 2022 +0000 > > bpf: Relax the requirement to use preallocated hash maps in tracing progs. > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1232e176880000 > start commit: 506357871c18 Merge tag 'spi-fix-v6.0-rc4' of git://git.ker.. > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=1b95a17a5bfb1521 > dashboard link: https://syzkaller.appspot.com/bug?extid=245129539c27fecf099a > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10940477080000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=177e8f43080000 > > If the result looks correct, please mark the issue as fixed by replying with: > > #syz fix: bpf: Relax the requirement to use preallocated hash maps in tracing progs. > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection Looks reasonable based on the subsystem and the patch: #syz fix: bpf: Relax the requirement to use preallocated hash maps in tracing progs.