linux-kernel - [PATCH] BPF : arch/x86/net/bpf_jit_comp.c : fix wrong condition code in jit compiler

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Message-Id: <20240925082332.2849923-1-zhouyangfan20s@ict.ac.cn>
Date: Wed, 25 Sep 2024 16:23:32 +0800
From: zyf <zhouyangfan20s@....ac.cn>
To: bpf@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org,
	dsahern@...nel.org,
	zyf <zhouyangfan20s@....ac.cn>
Subject: [PATCH] BPF : arch/x86/net/bpf_jit_comp.c : fix wrong condition code in jit compiler

change 'case BPF_ALU64 | BPF_END | BPF_FROM_LE' to 'case BPF_ALU64 | BPF_END | BPF_FROM_BE'

Signed-off-by: zyf <zhouyangfan20s@....ac.cn>
---
 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 *addrs, u8 *image, u8 *rw_image
 			break;
 
 		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 */
-- 
2.39.2