From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f170.google.com (mail-pf1-f170.google.com [209.85.210.170]) (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 8519B1369AE; Wed, 21 Aug 2024 16:04:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.170 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724256274; cv=none; b=ACEX7OnvVPOrDBWIItLRkZQpgoFSygRlpKOS55DCBovjjMqIt0QjqufyKUz5HpojJ4pWk0vVFyEpOr9CbPJQtPuf5n6Z3iyQB66xuGQB48mg5tR9QY5kbev9L4IhmDNRJXLbBPnD+IOU+ogtjCV9pgmXnUeaW0RUOdBSg8spkis= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724256274; c=relaxed/simple; bh=0+ktvaMb9+xdI3BvRNEJgnY+N0roVpt98Vg//lch6Cs=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=WbQIe4HtxXyLqd0040QNgC+qPxS99hyNl8QuFIujZb6wzUWi8v5uI6zp0KF+f/M/ANGllEV6m5cdlJwpt4rLvl0u4dEcTvpgdRY4Ny6FL0/eoKEfI1Pfnqz7+hhkVp5esfh+62srlywhGdd9erUGlNCAJC70rboV8NWurN47+JA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=Gywv/6H0; arc=none smtp.client-ip=209.85.210.170 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Gywv/6H0" Received: by mail-pf1-f170.google.com with SMTP id d2e1a72fcca58-714287e4083so599831b3a.2; Wed, 21 Aug 2024 09:04:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1724256272; x=1724861072; darn=vger.kernel.org; h=mime-version:user-agent:content-transfer-encoding:references :in-reply-to:date:cc:to:from:subject:message-id:from:to:cc:subject :date:message-id:reply-to; bh=0+ktvaMb9+xdI3BvRNEJgnY+N0roVpt98Vg//lch6Cs=; b=Gywv/6H0H+8bitsdwFZqA/FM6SyepzRCmXArwABanZZZR1HSncmL3BjE78gr6vfGEQ 7FbYA0ds4vhLVTngqJbZXSY+7GTk6jCS2wKrIgxC9pnFt1S7hWvOvGQKJAmnkWYZNWst 706bDzrcnnssl9+qsFkNaVVTwfXxGSyxQsv5WT/gZkOL8xOmqjYdG9QXlegBzYubt9V9 cVT0faLVLldl6dDZC0rnIWSPQ0y66/csMC9ZCtdV94Fi9KqKL3pt26ER1GDLak8snXrc 78/viZcMioMWXsRYt7PTwnA2Td2AvpUlS28yNPH8gbyEvgvBn4iG/zHDfmwgGh71cIjM w4Nw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724256272; x=1724861072; h=mime-version:user-agent:content-transfer-encoding:references :in-reply-to:date:cc:to:from:subject:message-id:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=0+ktvaMb9+xdI3BvRNEJgnY+N0roVpt98Vg//lch6Cs=; b=GV8YSiSklC3U8F951QoGrdGmlcdcsirHF/MfreTgTHGmW2dPzW+4ontzBw/a+RpYvt a7Nb7acNq1cEJbLRAowOZ0rrE91X+AYrxj58YPKUNcCmFyAHSBH46vPmav2rG8mikA6I CZWcVNcYLn509EH4HUcExzhw5t9xx6Y5uh9OYeCeUNFqiKrwJ2Nq2kK444dEWtkPASjl 4U5VvpEpIf19Csu9MJHWoDgHWCUPY4vRx/6OmxOGTOcQAWgu7m3GJvf4UsaGJ5kiW7a+ M051CvJfctvy9GmUoI8NO/mkX0vLyNa9jmOrl+on+H9xT24MngWNhiVpvBlxZVEJ5txw V/Xw== X-Forwarded-Encrypted: i=1; AJvYcCV2wIcZN/XSInY8al37UjsPrSdoV05IfmcTflYE1qEeRibyQ5vb8z2uEyDlqtCEVKNwEd1tjBSd@vger.kernel.org, AJvYcCWtehCwa2kU0tgv18JdKbrjaQa/Ed34mthDDws/ij+6Kdu7Nwxo8ebTaH4/VZ1vU1WqU4E=@vger.kernel.org, AJvYcCXEJeIOck7P9ZH1qpkUSg34JJmLykqBkxHYcNSsp6VnNGK+OyDImTwrGArCTNFBn/Jd8+A9CkzQBU1VLy2B@vger.kernel.org X-Gm-Message-State: AOJu0YwafXYKFIBkZi5i+EBLhNtSHXFFouJ1qMvwLDQ4GxN2gbIosXz3 KNOlixGOA8q+S/xkGn10R6hVvwSa+fuq/o2uXTKb2sPs5uhNIVucyR6kvfba X-Google-Smtp-Source: AGHT+IG/rbFlFVuwrw+YDsQyuuBns2vfsbiCf6DnPSaDf3Ohl3baq7iQSNHITEkd1eaXENVMWU6SNw== X-Received: by 2002:a05:6a20:cfa4:b0:1c8:b145:29cd with SMTP id adf61e73a8af0-1cad7fc7118mr3702775637.24.1724256271557; Wed, 21 Aug 2024 09:04:31 -0700 (PDT) Received: from [192.168.0.235] ([38.34.87.7]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-7c6b6365afcsm11222944a12.87.2024.08.21.09.04.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Aug 2024 09:04:30 -0700 (PDT) Message-ID: <2449825072217d392b5b631e8fd394e91b22a256.camel@gmail.com> Subject: Re: KASAN: null-ptr-deref in bpf_core_calc_relo_insn From: Eduard Zingerman To: Liu RuiTong , stable@vger.kernel.org Cc: regressions@lists.linux.dev, bpf@vger.kernel.org, linux-kernel@vger.kernel.org Date: Wed, 21 Aug 2024 09:04:24 -0700 In-Reply-To: <188a0d1310609fddc29524a64fa3c470fc7c4c94.camel@gmail.com> References: <188a0d1310609fddc29524a64fa3c470fc7c4c94.camel@gmail.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.52.3 (3.52.3-1.fc40) Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Wed, 2024-08-21 at 04:46 -0700, Eduard Zingerman wrote: [...] > will post a fix to bpf mailing list shortly. Status update: apologies for the delay, the fix is trivial but I have some problems with test case not printing expected log on BPF CI, need some time to debug= . Link to wip patch: https://github.com/eddyz87/bpf/tree/relo-core-bad-local-id