From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mta1.migadu.com (out-249.mta1.migadu.com [95.215.58.249]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 984D65695 for ; Sun, 27 Sep 2026 00:04:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.249 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790467489; cv=none; b=sC0LnzQWap+RCKIxTl3FszddAGFMomE3nlMlYcr2Dbq1fu9/EjfRwmFE7pNu0m7ZqTMKBz9wl1sdmZKWJB6TsRZnUGRzsXzCz5cX3ZfPKAdFv0MASIsitelRmBhpXREdTWThAK3BnYnkX5KuKz9UKmvwLZF+CsWWyvhx1TXx2m0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790467489; c=relaxed/simple; bh=H+am7XxrcbbXNsfKwiuJY/OnXWA27or6WzF9ul/tamM=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Ucx7f7LAZMR4/bVYRkNqssJPBvKa9Qs09XhDQgcnUKtIVIveth88rZl/CMHXpDUcNPPjZhDA+wfjaZKVXzPF4Xv0Nc1i7fX2us+2ksom+hp934aDDwHO9FDjprXkBa5Z0eIhjINr10hkHsB3bJtUWi2Xa+Ss/dnSkxMA5sta3ws= 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=eH1dOQxm; arc=none smtp.client-ip=95.215.58.249 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="eH1dOQxm" X-Envelope-To: bpf@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=H+am7XxrcbbXNsfKwiuJY/OnXWA27or6WzF9ul/tamM=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1790467485; v=1; x=1791072285; b=eH1dOQxm2Cdu/TZ3CWSRGgCwz2Sw084OyRm7wF5Dsolm8zjcs1RwTaM7PuV8dfYdzwLYb7wY /TSK8xjWGhBj6OPC6gNKm/mh7ejerDV7hEjAMfTpznPGTjeuzSA6ilEUxuIRf6VxIzHbvh5BuXe FdLA4bk6NJ6tY8qMAC/dfKtc= X-Envelope-To: bpf@vger.kernel.org Received: by smtp.migadu.com with ESMTPS id 113bf3684c9f7f9f; Sun, 27 Sep 2026 00:04:44 +0000 X-Mizu-Trace-ID: 113bf3684c9f7f9f X-Migadu-Flow: FLOW_OUT Message-ID: <666ad4ef-d6e7-4c6b-b986-b562ddce3ed0@linux.dev> Date: Sat, 26 Sep 2026 17:04:38 -0700 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH bpf-next v6 07/21] bpf: Resume a covered call at its landing pad Content-Language: en-GB To: Alexei Starovoitov , sashiko-reviews@lists.linux.dev Cc: bpf@vger.kernel.org References: <20260926050006.2213110-1-yonghong.song@linux.dev> <20260926050042.2216692-1-yonghong.song@linux.dev> <20260926051542.D2B111F00893@smtp.kernel.org> From: Yonghong Song In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 9/26/26 1:21 AM, Alexei Starovoitov wrote: > On Sat Sep 26, 2026 at 5:15 AM UTC, sashiko-bot wrote: >> Thank you for your contribution! Sashiko AI review found 4 potential issue(s) to consider: >> - [High] bpf: verifier bypass of resource leaks on unwinding without pad >> - [High] bpf: double free via bpf_unwind_resume returning to normal path in verifier >> - [Medium] bpf: precision tracking corruption when backtracking through bpf_unwind_resume >> - [Medium] bpf: CFG and liveness graph mismatch for bpf_unwind_resume > These and other bot findings look real. > Please tell your clanker to look for bugs harder. > sashiko shouldn't be finding such severe bugs. Indeed, missed several critical things. Ya, need ask more hard questions for some codes... > > pw-bot: cr