seccomp: fix jump offset

2024-11-26 20:20:53 +03:00 · 2022-11-23 18:56:10 +03:00 · 2022-11-23 18:56:10 +03:00 · 87a77c5932
commit 87a77c5932
parent 619222b86e
14 changed files with 2 additions and 2 deletions
--- a/binaries/aarch64/nfqws
+++ b/binaries/aarch64/nfqws
--- a/binaries/aarch64/tpws
+++ b/binaries/aarch64/tpws
--- a/binaries/arm/nfqws
+++ b/binaries/arm/nfqws
--- a/binaries/arm/tpws
+++ b/binaries/arm/tpws
--- a/binaries/mips32r1-lsb/nfqws
+++ b/binaries/mips32r1-lsb/nfqws
--- a/binaries/mips32r1-lsb/tpws
+++ b/binaries/mips32r1-lsb/tpws
--- a/binaries/mips32r1-msb/nfqws
+++ b/binaries/mips32r1-msb/nfqws
--- a/binaries/mips32r1-msb/tpws
+++ b/binaries/mips32r1-msb/tpws
--- a/binaries/mips64r2-msb/nfqws
+++ b/binaries/mips64r2-msb/nfqws
--- a/binaries/mips64r2-msb/tpws
+++ b/binaries/mips64r2-msb/tpws
--- a/binaries/ppc/nfqws
+++ b/binaries/ppc/nfqws
--- a/binaries/ppc/tpws
+++ b/binaries/ppc/tpws
--- a/nfq/sec.c
+++ b/nfq/sec.c
@ -133,7 +133,7 @@ static bool set_seccomp()
 	set_filter(&prog.filter[idx++], BPF_LD + BPF_W + BPF_ABS, 0, 0, syscall_nr);
 	set_filter(&prog.filter[idx++], BPF_JMP + BPF_JGT + BPF_K, 1 + BLOCKED_SYSCALL_COUNT, 0, __X32_SYSCALL_BIT - 1); // fail
 #else
-	set_filter(&prog.filter[idx++], BPF_JMP + BPF_JEQ + BPF_K, 0, 1 + BLOCKED_SYSCALL_COUNT, ARCH_NR); // fail
+	set_filter(&prog.filter[idx++], BPF_JMP + BPF_JEQ + BPF_K, 0, 2 + BLOCKED_SYSCALL_COUNT, ARCH_NR); // fail
 	set_filter(&prog.filter[idx++], BPF_LD + BPF_W + BPF_ABS, 0, 0, syscall_nr);
 #endif

--- a/tpws/sec.c
+++ b/tpws/sec.c
@ -133,7 +133,7 @@ static bool set_seccomp()
 	set_filter(&prog.filter[idx++], BPF_LD + BPF_W + BPF_ABS, 0, 0, syscall_nr);
 	set_filter(&prog.filter[idx++], BPF_JMP + BPF_JGT + BPF_K, 1 + BLOCKED_SYSCALL_COUNT, 0, __X32_SYSCALL_BIT - 1); // fail
 #else
-	set_filter(&prog.filter[idx++], BPF_JMP + BPF_JEQ + BPF_K, 0, 1 + BLOCKED_SYSCALL_COUNT, ARCH_NR); // fail
+	set_filter(&prog.filter[idx++], BPF_JMP + BPF_JEQ + BPF_K, 0, 2 + BLOCKED_SYSCALL_COUNT, ARCH_NR); // fail
 	set_filter(&prog.filter[idx++], BPF_LD + BPF_W + BPF_ABS, 0, 0, syscall_nr);
 #endif