From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F14391988F for ; Mon, 7 Aug 2023 23:50:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 6C3BBC433C7; Mon, 7 Aug 2023 23:50:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1691452222; bh=OH4uHW78MJBwQyscC2EOuCKqDFFV7pO7jX4wLGDWVPg=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=UL5n6ojHaSt0O8Zx08dkwsOa2UsuiztQGeBS44ILt3jLaDhunyo4CSEnqn4XOiQ96 WqQk89cTxEdxAs8M09X+orBCdjwQ8xnezWMXAgIai/5pIvQuzkUOEXy2uaawymPMDG Scd4nZPMDxlKXdi9ZH1/Bjd22fIejn6f+2733dGQ9j+vrp4WYVDSxggcMp09bT1n4C +mcyEzcuYUDuOjzbppasiga+cTGr/rsBR0Dm6yOWqwep8eec20I9fFe1OGR4tZnyJc q4bbRtpVw5t4ZpNg+KYrn4jpgJsgpJgtrQMmGHiy5pvz6RqfYGJcAaSjEFymVH70g2 9BUcWAqQ5PDXQ== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 51080E505D5; Mon, 7 Aug 2023 23:50:22 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH bpf-next 1/2] bpf: Fix an incorrect verification success with movsx insn From: patchwork-bot+netdevbpf@kernel.org Message-Id: <169145222232.5057.14232029916065724489.git-patchwork-notify@kernel.org> Date: Mon, 07 Aug 2023 23:50:22 +0000 References: <20230807175721.671696-1-yonghong.song@linux.dev> In-Reply-To: <20230807175721.671696-1-yonghong.song@linux.dev> To: Yonghong Song Cc: bpf@vger.kernel.org, ast@kernel.org, andrii@kernel.org, daniel@iogearbox.net, kernel-team@fb.com, martin.lau@kernel.org, syzbot+d61b595e9205573133b3@syzkaller.appspotmail.com Hello: This series was applied to bpf/bpf-next.git (master) by Martin KaFai Lau : On Mon, 7 Aug 2023 10:57:21 -0700 you wrote: > syzbot reports a verifier bug which triggers a runtime panic. > The test bpf program is: > 0: (62) *(u32 *)(r10 -8) = 553656332 > 1: (bf) r1 = (s16)r10 > 2: (07) r1 += -8 > 3: (b7) r2 = 3 > 4: (bd) if r2 <= r1 goto pc+0 > 5: (85) call bpf_trace_printk#-138320 > 6: (b7) r0 = 0 > 7: (95) exit > > [...] Here is the summary with links: - [bpf-next,1/2] bpf: Fix an incorrect verification success with movsx insn https://git.kernel.org/bpf/bpf-next/c/db2baf82b098 - [bpf-next,2/2] selftests/bpf: Add a movsx selftest for sign-extension of R10 https://git.kernel.org/bpf/bpf-next/c/a5c0a42bd374 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html