From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-179.mta0.migadu.com (out-179.mta0.migadu.com [91.218.175.179]) (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 0C09123E325 for ; Thu, 10 Jul 2025 19:30:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.179 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752175809; cv=none; b=qodnqiB8r0SlHo+OqojTmJWm5gtVo4iUIjEEKM/ugzk4IW3BUVJydnozUDEj9585el8/tdvAkXlP8cpihij8kzJ3VF9ofaVFYR40vPWEzjo4Ncsz0pcxLxin/J6lc5VcaVAGq5osKC5Sx4N4jWPZbnadhkNNALaBHstEsGveTns= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752175809; c=relaxed/simple; bh=TXtAYlcDFdP97i52JhF6EZ0qpAY1eyTtKJ5dzfQeaiI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=eaYpi691ERzQqvY8oA1pHnepK0jzM/Vhhl2Y6WGz+ChjsOHeUGU3AxqGtH686J88c5rB6Z+w8RENsORJER8qCDDoJgz7BowGVL9Ncu7rXG/GVfMilM9gEamruuCtbNNOfsob2whxYTzOP7CxCUlCGYi+29jD9SZgdm3GF6JV4bA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=BJD45F24; arc=none smtp.client-ip=91.218.175.179 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="BJD45F24" Message-ID: <26b2dac0-3cb1-484d-a3d3-87ad06da5b32@linux.dev> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1752175804; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=tn0wVxnPchdpcUHO4cc562vmpmX9/c2bsNCVDMf1J24=; b=BJD45F2462HAs+xpWlDtWCUrLXa/gZtoMVrE6YGK3VdEQIQyUL3q255lhu07sic1yan/kY r1Tm0IoBYiYOc18SQRoitwLKp3pSlyYuddhRyj+3av/SIh/o2OwJTpIYNWWll1FLnj9ep8 mRdAWSn04vMA11hLpUJgCxuCVtywRQ4= Date: Thu, 10 Jul 2025 12:29:59 -0700 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH bpf-next v2 2/2] selftests/bpf: Range analysis test case for JSET Content-Language: en-GB To: Paul Chaignon , bpf@vger.kernel.org Cc: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Eduard Zingerman References: <9d4fd6432a095d281f815770608fdcd16028ce0b.1752171365.git.paul.chaignon@gmail.com> X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Yonghong Song In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT On 7/10/25 11:21 AM, Paul Chaignon wrote: > This patch adds coverage for the warning detected by syzkaller and fixed > in the previous patch. Without the previous patch, this test fails with: > > verifier bug: REG INVARIANTS VIOLATION (false_reg1): range bounds > violation u64=[0x0, 0x0] s64=[0x0, 0x0] u32=[0x1, 0x0] s32=[0x0, 0x0] > var_off=(0x0, 0x0)(1) > > Signed-off-by: Paul Chaignon Acked-by: Yonghong Song