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-rw-r--r--tools/testing/selftests/bpf/verifier/and.c4
-rw-r--r--tools/testing/selftests/bpf/verifier/array_access.c4
-rw-r--r--tools/testing/selftests/bpf/verifier/bounds.c6
-rw-r--r--tools/testing/selftests/bpf/verifier/calls.c18
-rw-r--r--tools/testing/selftests/bpf/verifier/const_or.c8
-rw-r--r--tools/testing/selftests/bpf/verifier/dead_code.c10
-rw-r--r--tools/testing/selftests/bpf/verifier/direct_value_access.c4
-rw-r--r--tools/testing/selftests/bpf/verifier/event_output.c24
-rw-r--r--tools/testing/selftests/bpf/verifier/helper_access_var_len.c46
-rw-r--r--tools/testing/selftests/bpf/verifier/helper_value_access.c42
-rw-r--r--tools/testing/selftests/bpf/verifier/precise.c8
-rw-r--r--tools/testing/selftests/bpf/verifier/prevent_map_lookup.c30
-rw-r--r--tools/testing/selftests/bpf/verifier/ref_tracking.c33
-rw-r--r--tools/testing/selftests/bpf/verifier/sock.c117
-rw-r--r--tools/testing/selftests/bpf/verifier/value_or_null.c19
-rw-r--r--tools/testing/selftests/bpf/verifier/value_ptr_arith.c8
16 files changed, 271 insertions, 110 deletions
diff --git a/tools/testing/selftests/bpf/verifier/and.c b/tools/testing/selftests/bpf/verifier/and.c
index e0fad1548737..d781bc86e100 100644
--- a/tools/testing/selftests/bpf/verifier/and.c
+++ b/tools/testing/selftests/bpf/verifier/and.c
@@ -15,7 +15,7 @@
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
- .errstr = "R0 max value is outside of the array range",
+ .errstr = "R0 max value is outside of the allowed memory range",
.result = REJECT,
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
@@ -44,7 +44,7 @@
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
- .errstr = "R0 max value is outside of the array range",
+ .errstr = "R0 max value is outside of the allowed memory range",
.result = REJECT,
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
diff --git a/tools/testing/selftests/bpf/verifier/array_access.c b/tools/testing/selftests/bpf/verifier/array_access.c
index f3c33e128709..1c4b1939f5a8 100644
--- a/tools/testing/selftests/bpf/verifier/array_access.c
+++ b/tools/testing/selftests/bpf/verifier/array_access.c
@@ -117,7 +117,7 @@
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
- .errstr = "R0 min value is outside of the array range",
+ .errstr = "R0 min value is outside of the allowed memory range",
.result = REJECT,
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
@@ -137,7 +137,7 @@
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
- .errstr = "R0 unbounded memory access, make sure to bounds check any array access into a map",
+ .errstr = "R0 unbounded memory access, make sure to bounds check any such access",
.result = REJECT,
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
diff --git a/tools/testing/selftests/bpf/verifier/bounds.c b/tools/testing/selftests/bpf/verifier/bounds.c
index 58f4aa593b1b..4d6645f2874c 100644
--- a/tools/testing/selftests/bpf/verifier/bounds.c
+++ b/tools/testing/selftests/bpf/verifier/bounds.c
@@ -20,7 +20,7 @@
BPF_EXIT_INSN(),
},
.fixup_map_hash_8b = { 3 },
- .errstr = "R0 max value is outside of the array range",
+ .errstr = "R0 max value is outside of the allowed memory range",
.result = REJECT,
},
{
@@ -146,7 +146,7 @@
BPF_EXIT_INSN(),
},
.fixup_map_hash_8b = { 3 },
- .errstr = "R0 min value is outside of the array range",
+ .errstr = "R0 min value is outside of the allowed memory range",
.result = REJECT
},
{
@@ -354,7 +354,7 @@
BPF_EXIT_INSN(),
},
.fixup_map_hash_8b = { 3 },
- .errstr = "R0 max value is outside of the array range",
+ .errstr = "R0 max value is outside of the allowed memory range",
.result = REJECT
},
{
diff --git a/tools/testing/selftests/bpf/verifier/calls.c b/tools/testing/selftests/bpf/verifier/calls.c
index 2d752c4f8d9d..94258c6b5235 100644
--- a/tools/testing/selftests/bpf/verifier/calls.c
+++ b/tools/testing/selftests/bpf/verifier/calls.c
@@ -19,7 +19,7 @@
BPF_MOV64_IMM(BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .errstr_unpriv = "function calls to other bpf functions are allowed for",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 1,
@@ -105,7 +105,7 @@
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.fixup_map_hash_8b = { 16 },
.result = REJECT,
- .errstr = "R0 min value is outside of the array range",
+ .errstr = "R0 min value is outside of the allowed memory range",
},
{
"calls: overlapping caller/callee",
@@ -315,7 +315,7 @@
BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "allowed for root only",
+ .errstr_unpriv = "allowed for",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = POINTER_VALUE,
@@ -346,7 +346,7 @@
BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "allowed for root only",
+ .errstr_unpriv = "allowed for",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = TEST_DATA_LEN + TEST_DATA_LEN - ETH_HLEN - ETH_HLEN,
@@ -397,7 +397,7 @@
BPF_MOV64_IMM(BPF_REG_0, 1),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .errstr_unpriv = "function calls to other bpf functions are allowed for",
.fixup_map_hash_48b = { 3 },
.result_unpriv = REJECT,
.result = ACCEPT,
@@ -1064,7 +1064,7 @@
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "allowed for root only",
+ .errstr_unpriv = "allowed for",
.result_unpriv = REJECT,
.errstr = "R0 !read_ok",
.result = REJECT,
@@ -1977,7 +1977,7 @@
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
- .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .errstr_unpriv = "function calls to other bpf functions are allowed for",
.result_unpriv = REJECT,
.result = ACCEPT,
},
@@ -2003,7 +2003,7 @@
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
- .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .errstr_unpriv = "function calls to other bpf functions are allowed for",
.errstr = "!read_ok",
.result = REJECT,
},
@@ -2028,7 +2028,7 @@
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
- .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .errstr_unpriv = "function calls to other bpf functions are allowed for",
.errstr = "!read_ok",
.result = REJECT,
},
diff --git a/tools/testing/selftests/bpf/verifier/const_or.c b/tools/testing/selftests/bpf/verifier/const_or.c
index 84446dfc7c1d..6c214c58e8d4 100644
--- a/tools/testing/selftests/bpf/verifier/const_or.c
+++ b/tools/testing/selftests/bpf/verifier/const_or.c
@@ -6,7 +6,7 @@
BPF_MOV64_IMM(BPF_REG_2, 34),
BPF_ALU64_IMM(BPF_OR, BPF_REG_2, 13),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.result = ACCEPT,
@@ -20,7 +20,7 @@
BPF_MOV64_IMM(BPF_REG_2, 34),
BPF_ALU64_IMM(BPF_OR, BPF_REG_2, 24),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.errstr = "invalid stack type R1 off=-48 access_size=58",
@@ -36,7 +36,7 @@
BPF_MOV64_IMM(BPF_REG_4, 13),
BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_4),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.result = ACCEPT,
@@ -51,7 +51,7 @@
BPF_MOV64_IMM(BPF_REG_4, 24),
BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_4),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.errstr = "invalid stack type R1 off=-48 access_size=58",
diff --git a/tools/testing/selftests/bpf/verifier/dead_code.c b/tools/testing/selftests/bpf/verifier/dead_code.c
index 50a8a63be4ac..5cf361d8eb1c 100644
--- a/tools/testing/selftests/bpf/verifier/dead_code.c
+++ b/tools/testing/selftests/bpf/verifier/dead_code.c
@@ -85,7 +85,7 @@
BPF_MOV64_IMM(BPF_REG_0, 12),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .errstr_unpriv = "function calls to other bpf functions are allowed for",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 7,
@@ -103,7 +103,7 @@
BPF_MOV64_IMM(BPF_REG_0, 12),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .errstr_unpriv = "function calls to other bpf functions are allowed for",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 7,
@@ -121,7 +121,7 @@
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -5),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .errstr_unpriv = "function calls to other bpf functions are allowed for",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 7,
@@ -137,7 +137,7 @@
BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .errstr_unpriv = "function calls to other bpf functions are allowed for",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 2,
@@ -152,7 +152,7 @@
BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .errstr_unpriv = "function calls to other bpf functions are allowed for",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 2,
diff --git a/tools/testing/selftests/bpf/verifier/direct_value_access.c b/tools/testing/selftests/bpf/verifier/direct_value_access.c
index b9fb28e8e224..988f46a1a4c7 100644
--- a/tools/testing/selftests/bpf/verifier/direct_value_access.c
+++ b/tools/testing/selftests/bpf/verifier/direct_value_access.c
@@ -68,7 +68,7 @@
},
.fixup_map_array_48b = { 1 },
.result = REJECT,
- .errstr = "R1 min value is outside of the array range",
+ .errstr = "R1 min value is outside of the allowed memory range",
},
{
"direct map access, write test 7",
@@ -220,7 +220,7 @@
},
.fixup_map_array_small = { 1 },
.result = REJECT,
- .errstr = "R1 min value is outside of the array range",
+ .errstr = "R1 min value is outside of the allowed memory range",
},
{
"direct map access, write test 19",
diff --git a/tools/testing/selftests/bpf/verifier/event_output.c b/tools/testing/selftests/bpf/verifier/event_output.c
index 130553e19eca..99f8f582c02b 100644
--- a/tools/testing/selftests/bpf/verifier/event_output.c
+++ b/tools/testing/selftests/bpf/verifier/event_output.c
@@ -92,3 +92,27 @@
.result = ACCEPT,
.retval = 1,
},
+{
+ "perfevent for cgroup dev",
+ .insns = { __PERF_EVENT_INSNS__ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_DEVICE,
+ .fixup_map_event_output = { 4 },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "perfevent for cgroup sysctl",
+ .insns = { __PERF_EVENT_INSNS__ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_SYSCTL,
+ .fixup_map_event_output = { 4 },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "perfevent for cgroup sockopt",
+ .insns = { __PERF_EVENT_INSNS__ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_SOCKOPT,
+ .fixup_map_event_output = { 4 },
+ .result = ACCEPT,
+ .retval = 1,
+},
diff --git a/tools/testing/selftests/bpf/verifier/helper_access_var_len.c b/tools/testing/selftests/bpf/verifier/helper_access_var_len.c
index 67ab12410050..87c4e7900083 100644
--- a/tools/testing/selftests/bpf/verifier/helper_access_var_len.c
+++ b/tools/testing/selftests/bpf/verifier/helper_access_var_len.c
@@ -19,7 +19,7 @@
BPF_MOV64_IMM(BPF_REG_4, 0),
BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
@@ -36,7 +36,7 @@
BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 64),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.errstr = "invalid indirect read from stack off -64+0 size 64",
@@ -55,7 +55,7 @@
BPF_MOV64_IMM(BPF_REG_4, 0),
BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
@@ -84,7 +84,7 @@
BPF_MOV64_IMM(BPF_REG_4, 0),
BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
@@ -112,7 +112,7 @@
BPF_MOV64_IMM(BPF_REG_4, 0),
BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
@@ -132,7 +132,7 @@
BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 3),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
@@ -152,7 +152,7 @@
BPF_MOV64_IMM(BPF_REG_4, 0),
BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
@@ -171,7 +171,7 @@
BPF_MOV64_IMM(BPF_REG_4, 0),
BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
@@ -190,7 +190,7 @@
BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 64, 3),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
@@ -208,7 +208,7 @@
BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
BPF_JMP_IMM(BPF_JSGT, BPF_REG_2, 64, 3),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
@@ -233,7 +233,7 @@
BPF_MOV64_IMM(BPF_REG_4, 0),
BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
@@ -259,7 +259,7 @@
BPF_MOV64_IMM(BPF_REG_4, 0),
BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
@@ -286,7 +286,7 @@
BPF_MOV64_IMM(BPF_REG_4, 0),
BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
@@ -313,12 +313,12 @@
BPF_MOV64_IMM(BPF_REG_4, 0),
BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 4 },
- .errstr = "R1 min value is outside of the array range",
+ .errstr = "R1 min value is outside of the allowed memory range",
.result = REJECT,
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
},
@@ -468,7 +468,7 @@
BPF_MOV64_IMM(BPF_REG_1, 0),
BPF_MOV64_IMM(BPF_REG_2, 0),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.errstr = "R1 type=inv expected=fp",
@@ -481,7 +481,7 @@
BPF_MOV64_IMM(BPF_REG_1, 0),
BPF_MOV64_IMM(BPF_REG_2, 1),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.errstr = "R1 type=inv expected=fp",
@@ -495,7 +495,7 @@
BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
BPF_MOV64_IMM(BPF_REG_2, 0),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.result = ACCEPT,
@@ -513,7 +513,7 @@
BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
BPF_MOV64_IMM(BPF_REG_2, 0),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_8b = { 3 },
@@ -534,7 +534,7 @@
BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_8b = { 3 },
@@ -554,7 +554,7 @@
BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 8, 2),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_8b = { 3 },
@@ -580,7 +580,7 @@
BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 63),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
BPF_EXIT_INSN(),
},
@@ -607,7 +607,7 @@
BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 32),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 32),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
BPF_EXIT_INSN(),
},
diff --git a/tools/testing/selftests/bpf/verifier/helper_value_access.c b/tools/testing/selftests/bpf/verifier/helper_value_access.c
index 7572e403ddb9..1c7882ddfa63 100644
--- a/tools/testing/selftests/bpf/verifier/helper_value_access.c
+++ b/tools/testing/selftests/bpf/verifier/helper_value_access.c
@@ -10,7 +10,7 @@
BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
BPF_MOV64_IMM(BPF_REG_2, sizeof(struct test_val)),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -29,7 +29,7 @@
BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
BPF_MOV64_IMM(BPF_REG_2, 8),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -67,7 +67,7 @@
BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
BPF_MOV64_IMM(BPF_REG_2, sizeof(struct test_val) + 8),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -87,7 +87,7 @@
BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
BPF_MOV64_IMM(BPF_REG_2, -8),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -109,7 +109,7 @@
BPF_MOV64_IMM(BPF_REG_2,
sizeof(struct test_val) - offsetof(struct test_val, foo)),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -129,7 +129,7 @@
BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, offsetof(struct test_val, foo)),
BPF_MOV64_IMM(BPF_REG_2, 8),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -170,7 +170,7 @@
BPF_MOV64_IMM(BPF_REG_2,
sizeof(struct test_val) - offsetof(struct test_val, foo) + 8),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -191,7 +191,7 @@
BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, offsetof(struct test_val, foo)),
BPF_MOV64_IMM(BPF_REG_2, -8),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -212,7 +212,7 @@
BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, offsetof(struct test_val, foo)),
BPF_MOV64_IMM(BPF_REG_2, -1),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -235,7 +235,7 @@
BPF_MOV64_IMM(BPF_REG_2,
sizeof(struct test_val) - offsetof(struct test_val, foo)),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -256,7 +256,7 @@
BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
BPF_MOV64_IMM(BPF_REG_2, 8),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -280,7 +280,7 @@
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
- .errstr = "R1 min value is outside of the array range",
+ .errstr = "R1 min value is outside of the allowed memory range",
.result = REJECT,
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
},
@@ -300,7 +300,7 @@
sizeof(struct test_val) -
offsetof(struct test_val, foo) + 8),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -322,7 +322,7 @@
BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
BPF_MOV64_IMM(BPF_REG_2, -8),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -344,7 +344,7 @@
BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
BPF_MOV64_IMM(BPF_REG_2, -1),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -368,7 +368,7 @@
BPF_MOV64_IMM(BPF_REG_2,
sizeof(struct test_val) - offsetof(struct test_val, foo)),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -390,7 +390,7 @@
BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
BPF_MOV64_IMM(BPF_REG_2, 8),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -415,7 +415,7 @@
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
- .errstr = "R1 min value is outside of the array range",
+ .errstr = "R1 min value is outside of the allowed memory range",
.result = REJECT,
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
},
@@ -433,7 +433,7 @@
BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
BPF_MOV64_IMM(BPF_REG_2, 1),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -458,7 +458,7 @@
sizeof(struct test_val) -
offsetof(struct test_val, foo) + 1),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -926,7 +926,7 @@
},
.fixup_map_hash_16b = { 3, 10 },
.result = REJECT,
- .errstr = "R2 unbounded memory access, make sure to bounds check any array access into a map",
+ .errstr = "R2 unbounded memory access, make sure to bounds check any such access",
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
},
{
diff --git a/tools/testing/selftests/bpf/verifier/precise.c b/tools/testing/selftests/bpf/verifier/precise.c
index 02151f8c940f..6dc8003ffc70 100644
--- a/tools/testing/selftests/bpf/verifier/precise.c
+++ b/tools/testing/selftests/bpf/verifier/precise.c
@@ -31,14 +31,14 @@
BPF_MOV64_REG(BPF_REG_1, BPF_REG_FP),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
.fixup_map_array_48b = { 1 },
.result = VERBOSE_ACCEPT,
.errstr =
- "26: (85) call bpf_probe_read#4\
+ "26: (85) call bpf_probe_read_kernel#113\
last_idx 26 first_idx 20\
regs=4 stack=0 before 25\
regs=4 stack=0 before 24\
@@ -91,7 +91,7 @@
BPF_MOV64_REG(BPF_REG_1, BPF_REG_FP),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
@@ -99,7 +99,7 @@
.result = VERBOSE_ACCEPT,
.flags = BPF_F_TEST_STATE_FREQ,
.errstr =
- "26: (85) call bpf_probe_read#4\
+ "26: (85) call bpf_probe_read_kernel#113\
last_idx 26 first_idx 22\
regs=4 stack=0 before 25\
regs=4 stack=0 before 24\
diff --git a/tools/testing/selftests/bpf/verifier/prevent_map_lookup.c b/tools/testing/selftests/bpf/verifier/prevent_map_lookup.c
index da7a4b37cb98..fc4e301260f6 100644
--- a/tools/testing/selftests/bpf/verifier/prevent_map_lookup.c
+++ b/tools/testing/selftests/bpf/verifier/prevent_map_lookup.c
@@ -1,34 +1,4 @@
{
- "prevent map lookup in sockmap",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
- BPF_EXIT_INSN(),
- },
- .fixup_map_sockmap = { 3 },
- .result = REJECT,
- .errstr = "cannot pass map_type 15 into func bpf_map_lookup_elem",
- .prog_type = BPF_PROG_TYPE_SOCK_OPS,
-},
-{
- "prevent map lookup in sockhash",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
- BPF_EXIT_INSN(),
- },
- .fixup_map_sockhash = { 3 },
- .result = REJECT,
- .errstr = "cannot pass map_type 18 into func bpf_map_lookup_elem",
- .prog_type = BPF_PROG_TYPE_SOCK_OPS,
-},
-{
"prevent map lookup in stack trace",
.insns = {
BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
diff --git a/tools/testing/selftests/bpf/verifier/ref_tracking.c b/tools/testing/selftests/bpf/verifier/ref_tracking.c
index 604b46151736..056e0273bf12 100644
--- a/tools/testing/selftests/bpf/verifier/ref_tracking.c
+++ b/tools/testing/selftests/bpf/verifier/ref_tracking.c
@@ -821,3 +821,36 @@
.result = REJECT,
.errstr = "invalid mem access",
},
+{
+ "reference tracking: branch tracking valid pointer null comparison",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_3, 1),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_6, 0, 1),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_6, 0, 2),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+},
+{
+ "reference tracking: branch tracking valid pointer value comparison",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_3, 1),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_6, 0, 4),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_6, 1234, 2),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "Unreleased reference",
+ .result = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/sock.c b/tools/testing/selftests/bpf/verifier/sock.c
index 9ed192e14f5f..b1aac2641498 100644
--- a/tools/testing/selftests/bpf/verifier/sock.c
+++ b/tools/testing/selftests/bpf/verifier/sock.c
@@ -222,7 +222,7 @@
BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetofend(struct bpf_sock, state)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetofend(struct bpf_sock, rx_queue_mapping)),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
@@ -516,3 +516,118 @@
.prog_type = BPF_PROG_TYPE_XDP,
.result = ACCEPT,
},
+{
+ "bpf_map_lookup_elem(sockmap, &key)",
+ .insns = {
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_sockmap = { 3 },
+ .prog_type = BPF_PROG_TYPE_SK_SKB,
+ .result = REJECT,
+ .errstr = "Unreleased reference id=2 alloc_insn=5",
+},
+{
+ "bpf_map_lookup_elem(sockhash, &key)",
+ .insns = {
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_sockhash = { 3 },
+ .prog_type = BPF_PROG_TYPE_SK_SKB,
+ .result = REJECT,
+ .errstr = "Unreleased reference id=2 alloc_insn=5",
+},
+{
+ "bpf_map_lookup_elem(sockmap, &key); sk->type [fullsock field]; bpf_sk_release(sk)",
+ .insns = {
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_sock, type)),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_sockmap = { 3 },
+ .prog_type = BPF_PROG_TYPE_SK_SKB,
+ .result = ACCEPT,
+},
+{
+ "bpf_map_lookup_elem(sockhash, &key); sk->type [fullsock field]; bpf_sk_release(sk)",
+ .insns = {
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_sock, type)),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_sockhash = { 3 },
+ .prog_type = BPF_PROG_TYPE_SK_SKB,
+ .result = ACCEPT,
+},
+{
+ "bpf_sk_select_reuseport(ctx, reuseport_array, &key, flags)",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -4),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_EMIT_CALL(BPF_FUNC_sk_select_reuseport),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_reuseport_array = { 4 },
+ .prog_type = BPF_PROG_TYPE_SK_REUSEPORT,
+ .result = ACCEPT,
+},
+{
+ "bpf_sk_select_reuseport(ctx, sockmap, &key, flags)",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -4),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_EMIT_CALL(BPF_FUNC_sk_select_reuseport),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_sockmap = { 4 },
+ .prog_type = BPF_PROG_TYPE_SK_REUSEPORT,
+ .result = ACCEPT,
+},
+{
+ "bpf_sk_select_reuseport(ctx, sockhash, &key, flags)",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -4),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_EMIT_CALL(BPF_FUNC_sk_select_reuseport),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_sockmap = { 4 },
+ .prog_type = BPF_PROG_TYPE_SK_REUSEPORT,
+ .result = ACCEPT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/value_or_null.c b/tools/testing/selftests/bpf/verifier/value_or_null.c
index 860d4a71cd83..3ecb70a3d939 100644
--- a/tools/testing/selftests/bpf/verifier/value_or_null.c
+++ b/tools/testing/selftests/bpf/verifier/value_or_null.c
@@ -150,3 +150,22 @@
.result_unpriv = REJECT,
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
+{
+ "map lookup and null branch prediction",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, 10),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_6, 0, 2),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_6, 0, 1),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_10, 10),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 4 },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/value_ptr_arith.c b/tools/testing/selftests/bpf/verifier/value_ptr_arith.c
index a53d99cebd9f..97ee658e1242 100644
--- a/tools/testing/selftests/bpf/verifier/value_ptr_arith.c
+++ b/tools/testing/selftests/bpf/verifier/value_ptr_arith.c
@@ -50,7 +50,7 @@
.fixup_map_array_48b = { 8 },
.result = ACCEPT,
.result_unpriv = REJECT,
- .errstr_unpriv = "R0 min value is outside of the array range",
+ .errstr_unpriv = "R0 min value is outside of the allowed memory range",
.retval = 1,
},
{
@@ -325,7 +325,7 @@
},
.fixup_map_array_48b = { 3 },
.result = REJECT,
- .errstr = "R0 min value is outside of the array range",
+ .errstr = "R0 min value is outside of the allowed memory range",
.result_unpriv = REJECT,
.errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
},
@@ -601,7 +601,7 @@
},
.fixup_map_array_48b = { 3 },
.result = REJECT,
- .errstr = "R1 max value is outside of the array range",
+ .errstr = "R1 max value is outside of the allowed memory range",
.errstr_unpriv = "R1 pointer arithmetic of map value goes out of range",
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
@@ -726,7 +726,7 @@
},
.fixup_map_array_48b = { 3 },
.result = REJECT,
- .errstr = "R0 min value is outside of the array range",
+ .errstr = "R0 min value is outside of the allowed memory range",
},
{
"map access: value_ptr -= known scalar, 2",