From nobody Fri Nov 29 03:40:19 2024 Received: from cstnet.cn (smtp81.cstnet.cn [159.226.251.81]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 04CAC7E574; Wed, 25 Sep 2024 08:26:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.81 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727252779; cv=none; b=k7y+8ZiVPKF+WZiH1lJ6BbFZYiEyNfQQWtOMbA23EZrzPqq8v6kf5w1L1BifMU3voZ4cCOYXVjseeFcqq9BPeh/OQejAx19/LKPAYsRhrwzMtmXfAzBdkOgvwBhicHkfi3jppsyyUU9/tGhqJGT1uDBApF1FAGBiYUoECqIWQAM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727252779; c=relaxed/simple; bh=ZGixcCrfPDSlQq13Vc/iK8J9fZ1D9NrD1Mjn8nVlCz8=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=GwSjrPX9wBkJdSWQF4hgV2/1rSRKocKCDknOKsw37lbEq9DmKpfHWV4Et3odtvaNdFyKO+BNbmMW15GtpRlydzICS4lS7D4Nc2ptHGe6oqDoFPf+OxJ96y7281M6HXJiP16D3h7Z7cOsLaNbI/HL++yWwTx4898hcnikW+CFIpM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ict.ac.cn; spf=pass smtp.mailfrom=ict.ac.cn; arc=none smtp.client-ip=159.226.251.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ict.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ict.ac.cn Received: from localhost.localdomain (unknown [58.206.203.187]) by APP-03 (Coremail) with SMTP id rQCowABnPBEgyfNmA+_lAA--.9685S2; Wed, 25 Sep 2024 16:26:09 +0800 (CST) From: zyf To: bpf@vger.kernel.org Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, dsahern@kernel.org, zyf Subject: [PATCH] BPF : arch/x86/net/bpf_jit_comp.c : fix wrong condition code in jit compiler Date: Wed, 25 Sep 2024 16:23:32 +0800 Message-Id: <20240925082332.2849923-1-zhouyangfan20s@ict.ac.cn> X-Mailer: git-send-email 2.39.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: rQCowABnPBEgyfNmA+_lAA--.9685S2 X-Coremail-Antispam: 1UD129KBjvdXoWruw13KrykGw48Cry8KrWfKrg_yoW3Xrg_A3 W3Za1xXw1F9Fy5ZFn5ZF45JrsxCr4ruF43uFnYqrWYkas8XF45ZFyvyF1UKw17XFW5KrZ5 u393tw13JwsxtjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb48FF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Ar0_tr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_ Gr1UM28EF7xvwVC2z280aVAFwI0_Cr1j6rxdM28EF7xvwVC2z280aVCY1x0267AKxVW0oV Cq3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0 I7IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r 4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwCY1x0262kKe7AKxVWU AVWUtwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14 v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_JF0_Jw1lIxkG c2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI 0_Jr0_Gr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4U MIIF0xvEx4A2jsIEc7CjxVAFwI0_Jr0_GrUvcSsGvfC2KfnxnUUI43ZEXa7VUjuHq7UUUU U== X-CM-SenderInfo: 52kr35xdqjwtjqsq2qxlfwhtffof0/ Content-Type: text/plain; charset="utf-8" change 'case BPF_ALU64 | BPF_END | BPF_FROM_LE' to 'case BPF_ALU64 | BPF_EN= D | BPF_FROM_BE' Signed-off-by: zyf --- arch/x86/net/bpf_jit_comp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c index 06b080b61aa5..7f954d76b3a6 100644 --- a/arch/x86/net/bpf_jit_comp.c +++ b/arch/x86/net/bpf_jit_comp.c @@ -1786,7 +1786,7 @@ static int do_jit(struct bpf_prog *bpf_prog, int *add= rs, u8 *image, u8 *rw_image break; =20 case BPF_ALU | BPF_END | BPF_FROM_BE: - case BPF_ALU64 | BPF_END | BPF_FROM_LE: + case BPF_ALU64 | BPF_END | BPF_FROM_BE: switch (imm32) { case 16: /* Emit 'ror %ax, 8' to swap lower 2 bytes */ --=20 2.39.2