From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-qv1-f45.google.com (mail-qv1-f45.google.com [209.85.219.45]) (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 4A7D93033C1 for ; Fri, 23 Jan 2026 02:56:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.45 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769137006; cv=none; b=UoL+PX7UfrFZHLLjpyVTLIdxETtE/Nrd3zyaPmXd84BEYP9ub6aASDJO2cZa+OxnhDv8g+J3TXcVS3FdYxf7EN+wk5bV/8IU9TWq4N2t2zsJQOm7rCPSgqb2s1nCUw8cwyyui0dxwnRN19GLOxL1ZzDlOXwTlmiLfCFhEt3qSNQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769137006; c=relaxed/simple; bh=MqGqMyWtIZIROs//UB9ry7kOeWqArIb6NE7EBt3/nY4=; h=Mime-Version:Content-Type:Date:Message-Id:Subject:From:To:Cc: References:In-Reply-To; b=Wlyrm1/JYW+Lfk3Y+FIJ+o61LSY0hLo+QHIsaGmRSwOCGIeADfIirCnt5SiPVtGx2NlBp6HijhWzPawcWR6p3mvw1UNYE6Viw4Rs7VV8vTMkSPpeCF+2wmko3U8vnJ+/ptddfZjctc+CKNlQwPFNYk2ARKELaQ9Ak5qBfckIGjs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=etsalapatis.com; spf=pass smtp.mailfrom=etsalapatis.com; dkim=pass (2048-bit key) header.d=etsalapatis-com.20230601.gappssmtp.com header.i=@etsalapatis-com.20230601.gappssmtp.com header.b=S674R+w3; arc=none smtp.client-ip=209.85.219.45 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=etsalapatis.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=etsalapatis.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=etsalapatis-com.20230601.gappssmtp.com header.i=@etsalapatis-com.20230601.gappssmtp.com header.b="S674R+w3" Received: by mail-qv1-f45.google.com with SMTP id 6a1803df08f44-8946f12b1cfso25312606d6.0 for ; Thu, 22 Jan 2026 18:56:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=etsalapatis-com.20230601.gappssmtp.com; s=20230601; t=1769136989; x=1769741789; darn=vger.kernel.org; h=in-reply-to:references:cc:to:from:subject:message-id:date :content-transfer-encoding:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=SAJOvsqeVt/BO+ea4ZRDUP6mA4G1S6VR0+hvji6Vcog=; b=S674R+w3z75QXedF1Qpp0UA+E6U31FsKJQnEeY7HG1GTm+vDCe4uZSBpTEu3RWo7il qYtx+C/8PaiNCh95OSuk9xTihGjRcjTlIaVtcaDfE8HyNZetVu+KXt98T58O8P0S9Dxl rf0u2n6dX7gqyIVc1j7htddnmMdHKYM98jXw1PrfoaWcWa2zJDDi4DpoVVnREBGp4RyU hRC3ad33slrY4zJYyhvBx1FHezgYCILyjMYjnImNhikIqGLK85kAm/HxbO3TpdRPeLgj K8gwfW4XiNMpG9/9kdeEiaGhooDZXwRvIVTJNf6QiXATHZItsObWG+xrXw9K6w2juq/0 knNw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769136989; x=1769741789; h=in-reply-to:references:cc:to:from:subject:message-id:date :content-transfer-encoding:mime-version:x-gm-gg:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=SAJOvsqeVt/BO+ea4ZRDUP6mA4G1S6VR0+hvji6Vcog=; b=Zvt7UX1cEgFMUougOzXtT/2oBGG23kJTxmusxwkZfvEJd1TSb2kRsQmqJH3fWaOynJ olQWr2RDmhFvJ3mmTyz+D7/hCDAKxqkciHVcpQY/1CGZIryYy6aiIZAihu9nYDeh+ZfT QcFtzF2HDyTje7TBfAt+ueflR8z1YR47Pxk2r/CyFshRpBs3kxuoOZ6clMeNATY3WLfN WPsilPg5wBLmzqLK31FC8gZtx4arjmq1oHq28gDK5QWm420eF330ZrLrCvAByd9M7Shi Vp/9OnWLBKgWiZtvuHvhF/p/Cg/G3GkrK4BNLXmHaGvJkAI0S9vRLIi9feSJ8ztzXBkA 68/A== X-Forwarded-Encrypted: i=1; AJvYcCXYUeq0EcbrXPpzjGSBoBMpgIUJ2QcIlhd9IXwSo+5C3h9ixBuDUIxr059RFAiIa9Guvd0=@vger.kernel.org X-Gm-Message-State: AOJu0Yw37CBbe8Nm7KcK6fafGv9UvzYAY9NFjrfTAA7bic9ifrCj2qYJ se7sStKd5sKHDgd8bjdBA+j2CgwPj+TnWdMYrJeYIwFRLH/KyCQUo5d2H0N1GkuyCrU= X-Gm-Gg: AZuq6aI0FA9xumQFc9QhX3Zvsce/b96Is88i6BUkqmMW+o2GNDtmdp2bveuiH8BsXkH Ht9ieOx/IjJbdXT08FrT5A7xbN2kuyu6e+S8+zP1JAt70uQuYLJ2SQSLWy007/qejk3nFCJHVcz AXG8PDB9XKQ2AP4NMV5zOeMnetJsCGEQjPzbCJr7CKtBZDhEx6egdeZxjnmU+iJDdnRKp8btqME ywxURy/ZL+oPIY/6rel9N6I3AhaxjdSk2NenteQfFYV59gq21DRUpxXTQfGWEO+Bvkx+uBwT24m edQBxoFM7mrHu7tVEkyUD9ofIpIdGNcfdZ9Eg/iiiKeeRd4oq4Ud5mLEin3wgID6LPlMyovgQOx PLjGc+whjsbcfkqQWUyRRth1WUViKuFKH7hKC2o8wu1NBjuLjXt9cB8nZdqDRLeQzlQVCLro1pD BuSsYpCEHoVhw= X-Received: by 2002:a05:6214:301e:b0:882:3759:9158 with SMTP id 6a1803df08f44-8949022b8ddmr23557836d6.61.1769136989234; Thu, 22 Jan 2026 18:56:29 -0800 (PST) Received: from localhost ([140.174.219.137]) by smtp.gmail.com with ESMTPSA id af79cd13be357-8c6e3854a6csm75303985a.41.2026.01.22.18.56.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 22 Jan 2026 18:56:29 -0800 (PST) Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Thu, 22 Jan 2026 21:56:27 -0500 Message-Id: Subject: Re: [PATCH 06/13] selftests: bpf: Add arena ASAN runtime to libarena From: "Emil Tsalapatis" To: , , Cc: , , , , , , , , , , X-Mailer: aerc 0.20.1 References: <20260122160131.2238331-7-etsal@meta.com> In-Reply-To: On Thu Jan 22, 2026 at 11:58 AM EST, bot+bpf-ci wrote: >> diff --git a/tools/testing/selftests/bpf/libarena/src/asan.bpf.c b/tools= /testing/selftests/bpf/libarena/src/asan.bpf.c >> new file mode 100644 >> index 000000000000..7d39ee7b68bd >> --- /dev/null >> +++ b/tools/testing/selftests/bpf/libarena/src/asan.bpf.c > > [ ... ] > >> +static __always_inline int asan_report(s8a __arg_arena *addr, size_t sz= , >> + bool write) >> +{ >> + /* Only report the first ASAN violation. */ >> + if (asan_reported && asan_report_once) >> + return 0; >> + >> + asan_reported =3D true; >> + >> + asan_violated =3D (u64)addr; >> + >> + if (asan_emit_stack) { >> + arena_stderr("Memory violation for address %p (0x%lx) for %s of size = %ld", >> + addr, write ? "write" : "read", sz); > > The format string has four format specifiers (%p, %lx, %s, %ld) but only > three arguments are provided (addr, write?"write":"read", sz). Is there > a missing argument for the (0x%lx) specifier, or should that part of the > format string be removed? > Ack, there is a missing argument - the scalar representation of the arena address. Will add. >> + bpf_stream_print_stack(); >> + } >> + >> + return 0; >> +} > > > --- > AI reviewed your patch. Please fix the bug or email reply why it's not a = bug. > See: https://github.com/kernel-patches/vmtest/blob/master/ci/claude/READM= E.md > > CI run summary: https://github.com/kernel-patches/bpf/actions/runs/212569= 73563