selftests/bpf: Add F_NEEDS_EFFICIENT_UNALIGNED_ACCESS to some tests

Some verifier tests were missing F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
which made the test fail. Add the flag where needed.
Signed-off-by: Björn Töpel <bjorn@rivosinc.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20230705113926.751791-2-bjorn@kernel.org

tools/testing/selftests/bpf/verifier/atomic_cmpxchg.c

@@ -242,4 +242,5 @@
 	.result = REJECT,
 	.errstr = "R0 invalid mem access",
 	.errstr_unpriv = "R10 partial copy of pointer",
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },

tools/testing/selftests/bpf/verifier/ctx_skb.c

@@ -1169,6 +1169,7 @@
        },
        .result = ACCEPT,
        .prog_type = BPF_PROG_TYPE_SK_SKB,
+       .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
        "pkt_end < pkt taken check",
@@ -1190,4 +1191,5 @@
        },
        .result = ACCEPT,
        .prog_type = BPF_PROG_TYPE_SK_SKB,
+       .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },

tools/testing/selftests/bpf/verifier/jmp32.c

@@ -290,6 +290,7 @@
 	.result_unpriv = REJECT,
 	.result = ACCEPT,
 	.retval = 2,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
 	"jgt32: BPF_K",
@@ -360,6 +361,7 @@
 	.result_unpriv = REJECT,
 	.result = ACCEPT,
 	.retval = 2,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
 	"jle32: BPF_K",
@@ -430,6 +432,7 @@
 	.result_unpriv = REJECT,
 	.result = ACCEPT,
 	.retval = 2,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
 	"jlt32: BPF_K",
@@ -500,6 +503,7 @@
 	.result_unpriv = REJECT,
 	.result = ACCEPT,
 	.retval = 2,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
 	"jsge32: BPF_K",
@@ -570,6 +574,7 @@
 	.result_unpriv = REJECT,
 	.result = ACCEPT,
 	.retval = 2,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
 	"jsgt32: BPF_K",
@@ -640,6 +645,7 @@
 	.result_unpriv = REJECT,
 	.result = ACCEPT,
 	.retval = 2,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
 	"jsle32: BPF_K",
@@ -710,6 +716,7 @@
 	.result_unpriv = REJECT,
 	.result = ACCEPT,
 	.retval = 2,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
 	"jslt32: BPF_K",
@@ -780,6 +787,7 @@
 	.result_unpriv = REJECT,
 	.result = ACCEPT,
 	.retval = 2,
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
 	"jgt32: range bound deduction, reg op imm",

tools/testing/selftests/bpf/verifier/map_kptr.c

@@ -68,6 +68,7 @@
 	.fixup_map_kptr = { 1 },
 	.result = REJECT,
 	.errstr = "kptr access cannot have variable offset",
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
 	"map_kptr: bpf_kptr_xchg non-const var_off",
@@ -121,6 +122,7 @@
 	.fixup_map_kptr = { 1 },
 	.result = REJECT,
 	.errstr = "kptr access misaligned expected=0 off=7",
+	.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 },
 {
 	"map_kptr: reject var_off != 0",

tools/testing/selftests/bpf/verifier/precise.c

@@ -216,7 +216,7 @@
 	},
 	.fixup_map_ringbuf = { 1 },
 	.prog_type = BPF_PROG_TYPE_XDP,
-	.flags = BPF_F_TEST_STATE_FREQ,
+	.flags = BPF_F_TEST_STATE_FREQ | F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	.errstr = "invalid access to memory, mem_size=1 off=42 size=8",
 	.result = REJECT,
 },