@@ -539,7 +539,7 @@ static const char *reg_type_str(struct bpf_verifier_env *env,
char postfix[16] = {0}, prefix[32] = {0};
static const char * const str[] = {
[NOT_INIT] = "?",
- [SCALAR_VALUE] = "inv",
+ [SCALAR_VALUE] = "scalar",
[PTR_TO_CTX] = "ctx",
[CONST_PTR_TO_MAP] = "map_ptr",
[PTR_TO_MAP_VALUE] = "map_value",
@@ -685,7 +685,7 @@ static void print_verifier_state(struct bpf_verifier_env *env,
continue;
verbose(env, " R%d", i);
print_liveness(env, reg->live);
- verbose(env, "=%s", reg_type_str(env, t));
+ verbose(env, "=%s", t == SCALAR_VALUE ? "" : reg_type_str(env, t));
if (t == SCALAR_VALUE && reg->precise)
verbose(env, "P");
if ((t == SCALAR_VALUE || t == PTR_TO_STACK) &&
@@ -693,66 +693,71 @@ static void print_verifier_state(struct bpf_verifier_env *env,
/* reg->off should be 0 for SCALAR_VALUE */
verbose(env, "%lld", reg->var_off.value + reg->off);
} else {
+ const char *sep = "";
+
if (base_type(t) == PTR_TO_BTF_ID ||
base_type(t) == PTR_TO_PERCPU_BTF_ID)
verbose(env, "%s", kernel_type_name(reg->btf, reg->btf_id));
- verbose(env, "(id=%d", reg->id);
- if (reg_type_may_be_refcounted_or_null(t))
- verbose(env, ",ref_obj_id=%d", reg->ref_obj_id);
+ verbose(env, "(");
+
+/*
+ * _a stands for append, was shortened to avoid multiline statements below. this macro is used to
+ * output a comma separated list of attributes
+ */
+#define verbose_a(fmt, ...) ({ verbose(env, "%s" fmt, sep, __VA_ARGS__); sep = ","; })
+
+ if (reg->id)
+ verbose_a("id=%d", reg->id);
+ if (reg_type_may_be_refcounted_or_null(t) && reg->ref_obj_id)
+ verbose_a("ref_obj_id=%d", reg->ref_obj_id);
if (t != SCALAR_VALUE)
- verbose(env, ",off=%d", reg->off);
+ verbose_a("off=%d", reg->off);
if (type_is_pkt_pointer(t))
- verbose(env, ",r=%d", reg->range);
+ verbose_a("r=%d", reg->range);
else if (base_type(t) == CONST_PTR_TO_MAP ||
base_type(t) == PTR_TO_MAP_KEY ||
base_type(t) == PTR_TO_MAP_VALUE)
- verbose(env, ",ks=%d,vs=%d",
- reg->map_ptr->key_size,
- reg->map_ptr->value_size);
+ verbose_a("ks=%d,vs=%d",
+ reg->map_ptr->key_size,
+ reg->map_ptr->value_size);
if (tnum_is_const(reg->var_off)) {
/* Typically an immediate SCALAR_VALUE, but
* could be a pointer whose offset is too big
* for reg->off
*/
- verbose(env, ",imm=%llx", reg->var_off.value);
+ verbose_a("imm=%llx", reg->var_off.value);
} else {
if (reg->smin_value != reg->umin_value &&
reg->smin_value != S64_MIN)
- verbose(env, ",smin_value=%lld",
- (long long)reg->smin_value);
+ verbose_a("smin=%lld", (long long)reg->smin_value);
if (reg->smax_value != reg->umax_value &&
reg->smax_value != S64_MAX)
- verbose(env, ",smax_value=%lld",
- (long long)reg->smax_value);
+ verbose_a("smax=%lld", (long long)reg->smax_value);
if (reg->umin_value != 0)
- verbose(env, ",umin_value=%llu",
- (unsigned long long)reg->umin_value);
+ verbose_a("umin=%llu", (unsigned long long)reg->umin_value);
if (reg->umax_value != U64_MAX)
- verbose(env, ",umax_value=%llu",
- (unsigned long long)reg->umax_value);
+ verbose_a("umax=%llu", (unsigned long long)reg->umax_value);
if (!tnum_is_unknown(reg->var_off)) {
char tn_buf[48];
tnum_strn(tn_buf, sizeof(tn_buf), reg->var_off);
- verbose(env, ",var_off=%s", tn_buf);
+ verbose_a("var_off=%s", tn_buf);
}
if (reg->s32_min_value != reg->smin_value &&
reg->s32_min_value != S32_MIN)
- verbose(env, ",s32_min_value=%d",
- (int)(reg->s32_min_value));
+ verbose_a("s32_min=%d", (int)(reg->s32_min_value));
if (reg->s32_max_value != reg->smax_value &&
reg->s32_max_value != S32_MAX)
- verbose(env, ",s32_max_value=%d",
- (int)(reg->s32_max_value));
+ verbose_a("s32_max=%d", (int)(reg->s32_max_value));
if (reg->u32_min_value != reg->umin_value &&
reg->u32_min_value != U32_MIN)
- verbose(env, ",u32_min_value=%d",
- (int)(reg->u32_min_value));
+ verbose_a("u32_min=%d", (int)(reg->u32_min_value));
if (reg->u32_max_value != reg->umax_value &&
reg->u32_max_value != U32_MAX)
- verbose(env, ",u32_max_value=%d",
- (int)(reg->u32_max_value));
+ verbose_a("u32_max=%d", (int)(reg->u32_max_value));
}
+#undef verbose_a
+
verbose(env, ")");
}
}
@@ -777,7 +782,7 @@ static void print_verifier_state(struct bpf_verifier_env *env,
if (is_spilled_reg(&state->stack[i])) {
reg = &state->stack[i].spilled_ptr;
t = reg->type;
- verbose(env, "=%s", reg_type_str(env, t));
+ verbose(env, "=%s", t == SCALAR_VALUE ? "" : reg_type_str(env, t));
if (t == SCALAR_VALUE && reg->precise)
verbose(env, "P");
if (t == SCALAR_VALUE && tnum_is_const(reg->var_off))
@@ -39,13 +39,13 @@ static struct bpf_align_test tests[] = {
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.matches = {
- {0, "R1=ctx(id=0,off=0,imm=0)"},
+ {0, "R1=ctx(off=0,imm=0)"},
{0, "R10=fp0"},
- {0, "R3_w=inv2"},
- {1, "R3_w=inv4"},
- {2, "R3_w=inv8"},
- {3, "R3_w=inv16"},
- {4, "R3_w=inv32"},
+ {0, "R3_w=2"},
+ {1, "R3_w=4"},
+ {2, "R3_w=8"},
+ {3, "R3_w=16"},
+ {4, "R3_w=32"},
},
},
{
@@ -67,19 +67,19 @@ static struct bpf_align_test tests[] = {
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.matches = {
- {0, "R1=ctx(id=0,off=0,imm=0)"},
+ {0, "R1=ctx(off=0,imm=0)"},
{0, "R10=fp0"},
- {0, "R3_w=inv1"},
- {1, "R3_w=inv2"},
- {2, "R3_w=inv4"},
- {3, "R3_w=inv8"},
- {4, "R3_w=inv16"},
- {5, "R3_w=inv1"},
- {6, "R4_w=inv32"},
- {7, "R4_w=inv16"},
- {8, "R4_w=inv8"},
- {9, "R4_w=inv4"},
- {10, "R4_w=inv2"},
+ {0, "R3_w=1"},
+ {1, "R3_w=2"},
+ {2, "R3_w=4"},
+ {3, "R3_w=8"},
+ {4, "R3_w=16"},
+ {5, "R3_w=1"},
+ {6, "R4_w=32"},
+ {7, "R4_w=16"},
+ {8, "R4_w=8"},
+ {9, "R4_w=4"},
+ {10, "R4_w=2"},
},
},
{
@@ -96,14 +96,14 @@ static struct bpf_align_test tests[] = {
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.matches = {
- {0, "R1=ctx(id=0,off=0,imm=0)"},
+ {0, "R1=ctx(off=0,imm=0)"},
{0, "R10=fp0"},
- {0, "R3_w=inv4"},
- {1, "R3_w=inv8"},
- {2, "R3_w=inv10"},
- {3, "R4_w=inv8"},
- {4, "R4_w=inv12"},
- {5, "R4_w=inv14"},
+ {0, "R3_w=4"},
+ {1, "R3_w=8"},
+ {2, "R3_w=10"},
+ {3, "R4_w=8"},
+ {4, "R4_w=12"},
+ {5, "R4_w=14"},
},
},
{
@@ -118,12 +118,12 @@ static struct bpf_align_test tests[] = {
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.matches = {
- {0, "R1=ctx(id=0,off=0,imm=0)"},
+ {0, "R1=ctx(off=0,imm=0)"},
{0, "R10=fp0"},
- {0, "R3_w=inv7"},
- {1, "R3_w=inv7"},
- {2, "R3_w=inv14"},
- {3, "R3_w=inv56"},
+ {0, "R3_w=7"},
+ {1, "R3_w=7"},
+ {2, "R3_w=14"},
+ {3, "R3_w=56"},
},
},
@@ -161,19 +161,19 @@ static struct bpf_align_test tests[] = {
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.matches = {
- {6, "R0_w=pkt(id=0,off=8,r=8,imm=0)"},
- {6, "R3_w=inv(id=0,umax_value=255,var_off=(0x0; 0xff))"},
- {7, "R3_w=inv(id=0,umax_value=510,var_off=(0x0; 0x1fe))"},
- {8, "R3_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"},
- {9, "R3_w=inv(id=0,umax_value=2040,var_off=(0x0; 0x7f8))"},
- {10, "R3_w=inv(id=0,umax_value=4080,var_off=(0x0; 0xff0))"},
- {12, "R3_w=pkt_end(id=0,off=0,imm=0)"},
- {17, "R4_w=inv(id=0,umax_value=255,var_off=(0x0; 0xff))"},
- {18, "R4_w=inv(id=0,umax_value=8160,var_off=(0x0; 0x1fe0))"},
- {19, "R4_w=inv(id=0,umax_value=4080,var_off=(0x0; 0xff0))"},
- {20, "R4_w=inv(id=0,umax_value=2040,var_off=(0x0; 0x7f8))"},
- {21, "R4_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"},
- {22, "R4_w=inv(id=0,umax_value=510,var_off=(0x0; 0x1fe))"},
+ {6, "R0_w=pkt(off=8,r=8,imm=0)"},
+ {6, "R3_w=(umax=255,var_off=(0x0; 0xff))"},
+ {7, "R3_w=(umax=510,var_off=(0x0; 0x1fe))"},
+ {8, "R3_w=(umax=1020,var_off=(0x0; 0x3fc))"},
+ {9, "R3_w=(umax=2040,var_off=(0x0; 0x7f8))"},
+ {10, "R3_w=(umax=4080,var_off=(0x0; 0xff0))"},
+ {12, "R3_w=pkt_end(off=0,imm=0)"},
+ {17, "R4_w=(umax=255,var_off=(0x0; 0xff))"},
+ {18, "R4_w=(umax=8160,var_off=(0x0; 0x1fe0))"},
+ {19, "R4_w=(umax=4080,var_off=(0x0; 0xff0))"},
+ {20, "R4_w=(umax=2040,var_off=(0x0; 0x7f8))"},
+ {21, "R4_w=(umax=1020,var_off=(0x0; 0x3fc))"},
+ {22, "R4_w=(umax=510,var_off=(0x0; 0x1fe))"},
},
},
{
@@ -194,16 +194,16 @@ static struct bpf_align_test tests[] = {
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.matches = {
- {6, "R3_w=inv(id=0,umax_value=255,var_off=(0x0; 0xff))"},
- {7, "R4_w=inv(id=1,umax_value=255,var_off=(0x0; 0xff))"},
- {8, "R4_w=inv(id=0,umax_value=255,var_off=(0x0; 0xff))"},
- {9, "R4_w=inv(id=1,umax_value=255,var_off=(0x0; 0xff))"},
- {10, "R4_w=inv(id=0,umax_value=510,var_off=(0x0; 0x1fe))"},
- {11, "R4_w=inv(id=1,umax_value=255,var_off=(0x0; 0xff))"},
- {12, "R4_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"},
- {13, "R4_w=inv(id=1,umax_value=255,var_off=(0x0; 0xff))"},
- {14, "R4_w=inv(id=0,umax_value=2040,var_off=(0x0; 0x7f8))"},
- {15, "R4_w=inv(id=0,umax_value=4080,var_off=(0x0; 0xff0))"},
+ {6, "R3_w=(umax=255,var_off=(0x0; 0xff))"},
+ {7, "R4_w=(id=1,umax=255,var_off=(0x0; 0xff))"},
+ {8, "R4_w=(umax=255,var_off=(0x0; 0xff))"},
+ {9, "R4_w=(id=1,umax=255,var_off=(0x0; 0xff))"},
+ {10, "R4_w=(umax=510,var_off=(0x0; 0x1fe))"},
+ {11, "R4_w=(id=1,umax=255,var_off=(0x0; 0xff))"},
+ {12, "R4_w=(umax=1020,var_off=(0x0; 0x3fc))"},
+ {13, "R4_w=(id=1,umax=255,var_off=(0x0; 0xff))"},
+ {14, "R4_w=(umax=2040,var_off=(0x0; 0x7f8))"},
+ {15, "R4_w=(umax=4080,var_off=(0x0; 0xff0))"},
},
},
{
@@ -234,14 +234,14 @@ static struct bpf_align_test tests[] = {
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.matches = {
- {2, "R5_w=pkt(id=0,off=0,r=0,imm=0)"},
- {4, "R5_w=pkt(id=0,off=14,r=0,imm=0)"},
- {5, "R4_w=pkt(id=0,off=14,r=0,imm=0)"},
- {9, "R2=pkt(id=0,off=0,r=18,imm=0)"},
- {10, "R5=pkt(id=0,off=14,r=18,imm=0)"},
- {10, "R4_w=inv(id=0,umax_value=255,var_off=(0x0; 0xff))"},
- {13, "R4_w=inv(id=0,umax_value=65535,var_off=(0x0; 0xffff))"},
- {14, "R4_w=inv(id=0,umax_value=65535,var_off=(0x0; 0xffff))"},
+ {2, "R5_w=pkt(off=0,r=0,imm=0)"},
+ {4, "R5_w=pkt(off=14,r=0,imm=0)"},
+ {5, "R4_w=pkt(off=14,r=0,imm=0)"},
+ {9, "R2=pkt(off=0,r=18,imm=0)"},
+ {10, "R5=pkt(off=14,r=18,imm=0)"},
+ {10, "R4_w=(umax=255,var_off=(0x0; 0xff))"},
+ {13, "R4_w=(umax=65535,var_off=(0x0; 0xffff))"},
+ {14, "R4_w=(umax=65535,var_off=(0x0; 0xffff))"},
},
},
{
@@ -296,59 +296,59 @@ static struct bpf_align_test tests[] = {
/* Calculated offset in R6 has unknown value, but known
* alignment of 4.
*/
- {6, "R2_w=pkt(id=0,off=0,r=8,imm=0)"},
- {7, "R6_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"},
+ {6, "R2_w=pkt(off=0,r=8,imm=0)"},
+ {7, "R6_w=(umax=1020,var_off=(0x0; 0x3fc))"},
/* Offset is added to packet pointer R5, resulting in
* known fixed offset, and variable offset from R6.
*/
- {11, "R5_w=pkt(id=1,off=14,r=0,umax_value=1020,var_off=(0x0; 0x3fc))"},
+ {11, "R5_w=pkt(id=1,off=14,r=0,umax=1020,var_off=(0x0; 0x3fc))"},
/* At the time the word size load is performed from R5,
* it's total offset is NET_IP_ALIGN + reg->off (0) +
* reg->aux_off (14) which is 16. Then the variable
* offset is considered using reg->aux_off_align which
* is 4 and meets the load's requirements.
*/
- {15, "R4=pkt(id=1,off=18,r=18,umax_value=1020,var_off=(0x0; 0x3fc))"},
- {15, "R5=pkt(id=1,off=14,r=18,umax_value=1020,var_off=(0x0; 0x3fc))"},
+ {15, "R4=pkt(id=1,off=18,r=18,umax=1020,var_off=(0x0; 0x3fc))"},
+ {15, "R5=pkt(id=1,off=14,r=18,umax=1020,var_off=(0x0; 0x3fc))"},
/* Variable offset is added to R5 packet pointer,
* resulting in auxiliary alignment of 4.
*/
- {17, "R5_w=pkt(id=2,off=0,r=0,umax_value=1020,var_off=(0x0; 0x3fc))"},
+ {17, "R5_w=pkt(id=2,off=0,r=0,umax=1020,var_off=(0x0; 0x3fc))"},
/* Constant offset is added to R5, resulting in
* reg->off of 14.
*/
- {18, "R5_w=pkt(id=2,off=14,r=0,umax_value=1020,var_off=(0x0; 0x3fc))"},
+ {18, "R5_w=pkt(id=2,off=14,r=0,umax=1020,var_off=(0x0; 0x3fc))"},
/* At the time the word size load is performed from R5,
* its total fixed offset is NET_IP_ALIGN + reg->off
* (14) which is 16. Then the variable offset is 4-byte
* aligned, so the total offset is 4-byte aligned and
* meets the load's requirements.
*/
- {23, "R4=pkt(id=2,off=18,r=18,umax_value=1020,var_off=(0x0; 0x3fc))"},
- {23, "R5=pkt(id=2,off=14,r=18,umax_value=1020,var_off=(0x0; 0x3fc))"},
+ {23, "R4=pkt(id=2,off=18,r=18,umax=1020,var_off=(0x0; 0x3fc))"},
+ {23, "R5=pkt(id=2,off=14,r=18,umax=1020,var_off=(0x0; 0x3fc))"},
/* Constant offset is added to R5 packet pointer,
* resulting in reg->off value of 14.
*/
- {25, "R5_w=pkt(id=0,off=14,r=8"},
+ {25, "R5_w=pkt(off=14,r=8"},
/* Variable offset is added to R5, resulting in a
* variable offset of (4n).
*/
- {26, "R5_w=pkt(id=3,off=14,r=0,umax_value=1020,var_off=(0x0; 0x3fc))"},
+ {26, "R5_w=pkt(id=3,off=14,r=0,umax=1020,var_off=(0x0; 0x3fc))"},
/* Constant is added to R5 again, setting reg->off to 18. */
- {27, "R5_w=pkt(id=3,off=18,r=0,umax_value=1020,var_off=(0x0; 0x3fc))"},
+ {27, "R5_w=pkt(id=3,off=18,r=0,umax=1020,var_off=(0x0; 0x3fc))"},
/* And once more we add a variable; resulting var_off
* is still (4n), fixed offset is not changed.
* Also, we create a new reg->id.
*/
- {28, "R5_w=pkt(id=4,off=18,r=0,umax_value=2040,var_off=(0x0; 0x7fc)"},
+ {28, "R5_w=pkt(id=4,off=18,r=0,umax=2040,var_off=(0x0; 0x7fc)"},
/* At the time the word size load is performed from R5,
* its total fixed offset is NET_IP_ALIGN + reg->off (18)
* which is 20. Then the variable offset is (4n), so
* the total offset is 4-byte aligned and meets the
* load's requirements.
*/
- {33, "R4=pkt(id=4,off=22,r=22,umax_value=2040,var_off=(0x0; 0x7fc)"},
- {33, "R5=pkt(id=4,off=18,r=22,umax_value=2040,var_off=(0x0; 0x7fc)"},
+ {33, "R4=pkt(id=4,off=22,r=22,umax=2040,var_off=(0x0; 0x7fc)"},
+ {33, "R5=pkt(id=4,off=18,r=22,umax=2040,var_off=(0x0; 0x7fc)"},
},
},
{
@@ -386,36 +386,36 @@ static struct bpf_align_test tests[] = {
/* Calculated offset in R6 has unknown value, but known
* alignment of 4.
*/
- {6, "R2_w=pkt(id=0,off=0,r=8,imm=0)"},
- {7, "R6_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"},
+ {6, "R2_w=pkt(off=0,r=8,imm=0)"},
+ {7, "R6_w=(umax=1020,var_off=(0x0; 0x3fc))"},
/* Adding 14 makes R6 be (4n+2) */
- {8, "R6_w=inv(id=0,umin_value=14,umax_value=1034,var_off=(0x2; 0x7fc))"},
+ {8, "R6_w=(umin=14,umax=1034,var_off=(0x2; 0x7fc))"},
/* Packet pointer has (4n+2) offset */
- {11, "R5_w=pkt(id=1,off=0,r=0,umin_value=14,umax_value=1034,var_off=(0x2; 0x7fc)"},
- {12, "R4=pkt(id=1,off=4,r=0,umin_value=14,umax_value=1034,var_off=(0x2; 0x7fc)"},
+ {11, "R5_w=pkt(id=1,off=0,r=0,umin=14,umax=1034,var_off=(0x2; 0x7fc)"},
+ {12, "R4=pkt(id=1,off=4,r=0,umin=14,umax=1034,var_off=(0x2; 0x7fc)"},
/* At the time the word size load is performed from R5,
* its total fixed offset is NET_IP_ALIGN + reg->off (0)
* which is 2. Then the variable offset is (4n+2), so
* the total offset is 4-byte aligned and meets the
* load's requirements.
*/
- {15, "R5=pkt(id=1,off=0,r=4,umin_value=14,umax_value=1034,var_off=(0x2; 0x7fc)"},
+ {15, "R5=pkt(id=1,off=0,r=4,umin=14,umax=1034,var_off=(0x2; 0x7fc)"},
/* Newly read value in R6 was shifted left by 2, so has
* known alignment of 4.
*/
- {17, "R6_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"},
+ {17, "R6_w=(umax=1020,var_off=(0x0; 0x3fc))"},
/* Added (4n) to packet pointer's (4n+2) var_off, giving
* another (4n+2).
*/
- {19, "R5_w=pkt(id=2,off=0,r=0,umin_value=14,umax_value=2054,var_off=(0x2; 0xffc)"},
- {20, "R4=pkt(id=2,off=4,r=0,umin_value=14,umax_value=2054,var_off=(0x2; 0xffc)"},
+ {19, "R5_w=pkt(id=2,off=0,r=0,umin=14,umax=2054,var_off=(0x2; 0xffc)"},
+ {20, "R4=pkt(id=2,off=4,r=0,umin=14,umax=2054,var_off=(0x2; 0xffc)"},
/* At the time the word size load is performed from R5,
* its total fixed offset is NET_IP_ALIGN + reg->off (0)
* which is 2. Then the variable offset is (4n+2), so
* the total offset is 4-byte aligned and meets the
* load's requirements.
*/
- {23, "R5=pkt(id=2,off=0,r=4,umin_value=14,umax_value=2054,var_off=(0x2; 0xffc)"},
+ {23, "R5=pkt(id=2,off=0,r=4,umin=14,umax=2054,var_off=(0x2; 0xffc)"},
},
},
{
@@ -448,18 +448,18 @@ static struct bpf_align_test tests[] = {
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = REJECT,
.matches = {
- {3, "R5_w=pkt_end(id=0,off=0,imm=0)"},
+ {3, "R5_w=pkt_end(off=0,imm=0)"},
/* (ptr - ptr) << 2 == unknown, (4n) */
- {5, "R5_w=inv(id=0,smax_value=9223372036854775804,umax_value=18446744073709551612,var_off=(0x0; 0xfffffffffffffffc)"},
+ {5, "R5_w=(smax=9223372036854775804,umax=18446744073709551612,var_off=(0x0; 0xfffffffffffffffc)"},
/* (4n) + 14 == (4n+2). We blow our bounds, because
* the add could overflow.
*/
- {6, "R5_w=inv(id=0,smin_value=-9223372036854775806,smax_value=9223372036854775806,umin_value=2,umax_value=18446744073709551614,var_off=(0x2; 0xfffffffffffffffc)"},
+ {6, "R5_w=(smin=-9223372036854775806,smax=9223372036854775806,umin=2,umax=18446744073709551614,var_off=(0x2; 0xfffffffffffffffc)"},
/* Checked s>=0 */
- {9, "R5=inv(id=0,umin_value=2,umax_value=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc)"},
+ {9, "R5=(umin=2,umax=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc)"},
/* packet pointer + nonnegative (4n+2) */
- {11, "R6_w=pkt(id=1,off=0,r=0,umin_value=2,umax_value=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc)"},
- {12, "R4_w=pkt(id=1,off=4,r=0,umin_value=2,umax_value=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc)"},
+ {11, "R6_w=pkt(id=1,off=0,r=0,umin=2,umax=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc)"},
+ {12, "R4_w=pkt(id=1,off=4,r=0,umin=2,umax=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc)"},
/* NET_IP_ALIGN + (4n+2) == (4n), alignment is fine.
* We checked the bounds, but it might have been able
* to overflow if the packet pointer started in the
@@ -467,7 +467,7 @@ static struct bpf_align_test tests[] = {
* So we did not get a 'range' on R6, and the access
* attempt will fail.
*/
- {15, "R6_w=pkt(id=1,off=0,r=0,umin_value=2,umax_value=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc)"},
+ {15, "R6_w=pkt(id=1,off=0,r=0,umin=2,umax=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc)"},
}
},
{
@@ -502,23 +502,23 @@ static struct bpf_align_test tests[] = {
/* Calculated offset in R6 has unknown value, but known
* alignment of 4.
*/
- {6, "R2_w=pkt(id=0,off=0,r=8,imm=0)"},
- {8, "R6_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"},
+ {6, "R2_w=pkt(off=0,r=8,imm=0)"},
+ {8, "R6_w=(umax=1020,var_off=(0x0; 0x3fc))"},
/* Adding 14 makes R6 be (4n+2) */
- {9, "R6_w=inv(id=0,umin_value=14,umax_value=1034,var_off=(0x2; 0x7fc))"},
+ {9, "R6_w=(umin=14,umax=1034,var_off=(0x2; 0x7fc))"},
/* New unknown value in R7 is (4n) */
- {10, "R7_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"},
+ {10, "R7_w=(umax=1020,var_off=(0x0; 0x3fc))"},
/* Subtracting it from R6 blows our unsigned bounds */
- {11, "R6=inv(id=0,smin_value=-1006,smax_value=1034,umin_value=2,umax_value=18446744073709551614,var_off=(0x2; 0xfffffffffffffffc)"},
+ {11, "R6=(smin=-1006,smax=1034,umin=2,umax=18446744073709551614,var_off=(0x2; 0xfffffffffffffffc)"},
/* Checked s>= 0 */
- {14, "R6=inv(id=0,umin_value=2,umax_value=1034,var_off=(0x2; 0x7fc))"},
+ {14, "R6=(umin=2,umax=1034,var_off=(0x2; 0x7fc))"},
/* At the time the word size load is performed from R5,
* its total fixed offset is NET_IP_ALIGN + reg->off (0)
* which is 2. Then the variable offset is (4n+2), so
* the total offset is 4-byte aligned and meets the
* load's requirements.
*/
- {20, "R5=pkt(id=2,off=0,r=4,umin_value=2,umax_value=1034,var_off=(0x2; 0x7fc)"},
+ {20, "R5=pkt(id=2,off=0,r=4,umin=2,umax=1034,var_off=(0x2; 0x7fc)"},
},
},
@@ -556,23 +556,23 @@ static struct bpf_align_test tests[] = {
/* Calculated offset in R6 has unknown value, but known
* alignment of 4.
*/
- {6, "R2_w=pkt(id=0,off=0,r=8,imm=0)"},
- {9, "R6_w=inv(id=0,umax_value=60,var_off=(0x0; 0x3c))"},
+ {6, "R2_w=pkt(off=0,r=8,imm=0)"},
+ {9, "R6_w=(umax=60,var_off=(0x0; 0x3c))"},
/* Adding 14 makes R6 be (4n+2) */
- {10, "R6_w=inv(id=0,umin_value=14,umax_value=74,var_off=(0x2; 0x7c))"},
+ {10, "R6_w=(umin=14,umax=74,var_off=(0x2; 0x7c))"},
/* Subtracting from packet pointer overflows ubounds */
- {13, "R5_w=pkt(id=2,off=0,r=8,umin_value=18446744073709551542,umax_value=18446744073709551602,var_off=(0xffffffffffffff82; 0x7c)"},
+ {13, "R5_w=pkt(id=2,off=0,r=8,umin=18446744073709551542,umax=18446744073709551602,var_off=(0xffffffffffffff82; 0x7c)"},
/* New unknown value in R7 is (4n), >= 76 */
- {14, "R7_w=inv(id=0,umin_value=76,umax_value=1096,var_off=(0x0; 0x7fc))"},
+ {14, "R7_w=(umin=76,umax=1096,var_off=(0x0; 0x7fc))"},
/* Adding it to packet pointer gives nice bounds again */
- {16, "R5_w=pkt(id=3,off=0,r=0,umin_value=2,umax_value=1082,var_off=(0x2; 0xfffffffc)"},
+ {16, "R5_w=pkt(id=3,off=0,r=0,umin=2,umax=1082,var_off=(0x2; 0xfffffffc)"},
/* At the time the word size load is performed from R5,
* its total fixed offset is NET_IP_ALIGN + reg->off (0)
* which is 2. Then the variable offset is (4n+2), so
* the total offset is 4-byte aligned and meets the
* load's requirements.
*/
- {20, "R5=pkt(id=3,off=0,r=4,umin_value=2,umax_value=1082,var_off=(0x2; 0xfffffffc)"},
+ {20, "R5=pkt(id=3,off=0,r=4,umin=2,umax=1082,var_off=(0x2; 0xfffffffc)"},
},
},
};
@@ -648,8 +648,8 @@ static int do_test_single(struct bpf_align_test *test)
/* Check the next line as well in case the previous line
* did not have a corresponding bpf insn. Example:
* func#0 @0
- * 0: R1=ctx(id=0,off=0,imm=0) R10=fp0
- * 0: (b7) r3 = 2 ; R3_w=inv2
+ * 0: R1=ctx(off=0,imm=0) R10=fp0
+ * 0: (b7) r3 = 2 ; R3_w=2
*/
if (!strstr(line_ptr, m.match)) {
cur_line = -1;
@@ -78,7 +78,7 @@ static void obj_load_log_buf(void)
ASSERT_OK_PTR(strstr(libbpf_log_buf, "prog 'bad_prog': BPF program load failed"),
"libbpf_log_not_empty");
ASSERT_OK_PTR(strstr(obj_log_buf, "DATASEC license"), "obj_log_not_empty");
- ASSERT_OK_PTR(strstr(good_log_buf, "0: R1=ctx(id=0,off=0,imm=0) R10=fp0"),
+ ASSERT_OK_PTR(strstr(good_log_buf, "0: R1=ctx(off=0,imm=0) R10=fp0"),
"good_log_verbose");
ASSERT_OK_PTR(strstr(bad_log_buf, "invalid access to map value, value_size=16 off=16000 size=4"),
"bad_log_not_empty");
@@ -175,7 +175,7 @@ static void bpf_prog_load_log_buf(void)
opts.log_level = 2;
fd = bpf_prog_load(BPF_PROG_TYPE_SOCKET_FILTER, "good_prog", "GPL",
good_prog_insns, good_prog_insn_cnt, &opts);
- ASSERT_OK_PTR(strstr(log_buf, "0: R1=ctx(id=0,off=0,imm=0) R10=fp0"), "good_log_2");
+ ASSERT_OK_PTR(strstr(log_buf, "0: R1=ctx(off=0,imm=0) R10=fp0"), "good_log_2");
ASSERT_GE(fd, 0, "good_fd2");
if (fd >= 0)
close(fd);
@@ -1,6 +1,6 @@
-#define __INVALID_ATOMIC_ACCESS_TEST(op) \
+#define __INVALID_ATOMIC_ACCESS_TEST(op) \
{ \
- "atomic " #op " access through non-pointer ", \
+ "atomic " #op " access through non-pointer ", \
.insns = { \
BPF_MOV64_IMM(BPF_REG_0, 1), \
BPF_MOV64_IMM(BPF_REG_1, 0), \
@@ -9,7 +9,7 @@
BPF_EXIT_INSN(), \
}, \
.result = REJECT, \
- .errstr = "R1 invalid mem access 'inv'" \
+ .errstr = "R1 invalid mem access 'scalar'" \
}
__INVALID_ATOMIC_ACCESS_TEST(BPF_ADD),
__INVALID_ATOMIC_ACCESS_TEST(BPF_ADD | BPF_FETCH),
@@ -508,7 +508,7 @@
BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, -1),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "R0 invalid mem access 'inv'",
+ .errstr_unpriv = "R0 invalid mem access 'scalar'",
.result_unpriv = REJECT,
.result = ACCEPT
},
@@ -530,7 +530,7 @@
BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, -1),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "R0 invalid mem access 'inv'",
+ .errstr_unpriv = "R0 invalid mem access 'scalar'",
.result_unpriv = REJECT,
.result = ACCEPT
},
@@ -169,7 +169,7 @@
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = REJECT,
- .errstr = "R0 invalid mem access 'inv'",
+ .errstr = "R0 invalid mem access 'scalar'",
},
{
"calls: multiple ret types in subprog 2",
@@ -472,7 +472,7 @@
BPF_EXIT_INSN(),
},
.result = REJECT,
- .errstr = "R6 invalid mem access 'inv'",
+ .errstr = "R6 invalid mem access 'scalar'",
.prog_type = BPF_PROG_TYPE_XDP,
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
@@ -1678,7 +1678,7 @@
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.fixup_map_hash_8b = { 12, 22 },
.result = REJECT,
- .errstr = "R0 invalid mem access 'inv'",
+ .errstr = "R0 invalid mem access 'scalar'",
},
{
"calls: pkt_ptr spill into caller stack",
@@ -127,7 +127,7 @@
.prog_type = BPF_PROG_TYPE_CGROUP_SOCK_ADDR,
.expected_attach_type = BPF_CGROUP_UDP6_SENDMSG,
.result = REJECT,
- .errstr = "R1 type=inv expected=ctx",
+ .errstr = "R1 type=scalar expected=ctx",
},
{
"pass ctx or null check, 4: ctx - const",
@@ -193,5 +193,5 @@
.prog_type = BPF_PROG_TYPE_CGROUP_SOCK,
.expected_attach_type = BPF_CGROUP_INET4_POST_BIND,
.result = REJECT,
- .errstr = "R1 type=inv expected=ctx",
+ .errstr = "R1 type=scalar expected=ctx",
},
@@ -339,7 +339,7 @@
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
- .errstr = "R2 invalid mem access 'inv'",
+ .errstr = "R2 invalid mem access 'scalar'",
.result = REJECT,
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
@@ -350,7 +350,7 @@
BPF_EMIT_CALL(BPF_FUNC_csum_diff),
BPF_EXIT_INSN(),
},
- .errstr = "R1 type=inv expected=fp",
+ .errstr = "R1 type=scalar expected=fp",
.result = REJECT,
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
},
@@ -471,7 +471,7 @@
BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
- .errstr = "R1 type=inv expected=fp",
+ .errstr = "R1 type=scalar expected=fp",
.result = REJECT,
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
},
@@ -484,7 +484,7 @@
BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
- .errstr = "R1 type=inv expected=fp",
+ .errstr = "R1 type=scalar expected=fp",
.result = REJECT,
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
},
@@ -286,7 +286,7 @@
BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "R0 invalid mem access 'inv'",
+ .errstr_unpriv = "R0 invalid mem access 'scalar'",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 2,
@@ -356,7 +356,7 @@
BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "R0 invalid mem access 'inv'",
+ .errstr_unpriv = "R0 invalid mem access 'scalar'",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 2,
@@ -426,7 +426,7 @@
BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "R0 invalid mem access 'inv'",
+ .errstr_unpriv = "R0 invalid mem access 'scalar'",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 2,
@@ -496,7 +496,7 @@
BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "R0 invalid mem access 'inv'",
+ .errstr_unpriv = "R0 invalid mem access 'scalar'",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 2,
@@ -566,7 +566,7 @@
BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "R0 invalid mem access 'inv'",
+ .errstr_unpriv = "R0 invalid mem access 'scalar'",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 2,
@@ -636,7 +636,7 @@
BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "R0 invalid mem access 'inv'",
+ .errstr_unpriv = "R0 invalid mem access 'scalar'",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 2,
@@ -706,7 +706,7 @@
BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "R0 invalid mem access 'inv'",
+ .errstr_unpriv = "R0 invalid mem access 'scalar'",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 2,
@@ -776,7 +776,7 @@
BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "R0 invalid mem access 'inv'",
+ .errstr_unpriv = "R0 invalid mem access 'scalar'",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 2,
@@ -27,7 +27,7 @@
BPF_JMP_IMM(BPF_JLT, BPF_REG_2, 8, 1),
BPF_EXIT_INSN(),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), /* R2=inv(umin=1, umax=8) */
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), /* R2=(umin=1, umax=8) */
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),
@@ -87,7 +87,7 @@
BPF_JMP_IMM(BPF_JLT, BPF_REG_2, 8, 1),
BPF_EXIT_INSN(),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), /* R2=inv(umin=1, umax=8) */
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), /* R2=(umin=1, umax=8) */
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),
@@ -132,7 +132,7 @@
BPF_EXIT_INSN(),
},
.result = REJECT,
- .errstr = "R0 invalid mem access 'inv'",
+ .errstr = "R0 invalid mem access 'scalar'",
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
@@ -162,7 +162,7 @@
BPF_EXIT_INSN(),
},
.result = REJECT,
- .errstr = "R3 invalid mem access 'inv'",
+ .errstr = "R3 invalid mem access 'scalar'",
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
@@ -162,7 +162,7 @@
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "type=inv expected=sock",
+ .errstr = "type=scalar expected=sock",
.result = REJECT,
},
{
@@ -178,7 +178,7 @@
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "type=inv expected=sock",
+ .errstr = "type=scalar expected=sock",
.result = REJECT,
},
{
@@ -274,7 +274,7 @@
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
- .errstr = "type=inv expected=sock",
+ .errstr = "type=scalar expected=sock",
.result = REJECT,
},
{
@@ -104,7 +104,7 @@
BPF_EXIT_INSN(),
},
.fixup_map_hash_8b = { 3 },
- .errstr = "R6 invalid mem access 'inv'",
+ .errstr = "R6 invalid mem access 'scalar'",
.result = REJECT,
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
},
@@ -502,7 +502,7 @@
.fixup_sk_storage_map = { 11 },
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = REJECT,
- .errstr = "R3 type=inv expected=fp",
+ .errstr = "R3 type=scalar expected=fp",
},
{
"sk_storage_get(map, skb->sk, &stack_value, 1): stack_value",
@@ -102,7 +102,7 @@
BPF_EXIT_INSN(),
},
.errstr_unpriv = "attempt to corrupt spilled",
- .errstr = "R0 invalid mem access 'inv",
+ .errstr = "R0 invalid mem access 'scalar'",
.result = REJECT,
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
@@ -147,11 +147,11 @@
BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_10, -8),
/* r0 = r2 */
BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- /* r0 += r4 R0=pkt R2=pkt R3=pkt_end R4=inv20 */
+ /* r0 += r4 R0=pkt R2=pkt R3=pkt_end R4=20 */
BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_4),
- /* if (r0 > r3) R0=pkt,off=20 R2=pkt R3=pkt_end R4=inv20 */
+ /* if (r0 > r3) R0=pkt,off=20 R2=pkt R3=pkt_end R4=20 */
BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- /* r0 = *(u32 *)r2 R0=pkt,off=20,r=20 R2=pkt,r=20 R3=pkt_end R4=inv20 */
+ /* r0 = *(u32 *)r2 R0=pkt,off=20,r=20 R2=pkt,r=20 R3=pkt_end R4=20 */
BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_2, 0),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
@@ -190,11 +190,11 @@
BPF_LDX_MEM(BPF_H, BPF_REG_4, BPF_REG_10, -8),
/* r0 = r2 */
BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- /* r0 += r4 R0=pkt R2=pkt R3=pkt_end R4=inv,umax=65535 */
+ /* r0 += r4 R0=pkt R2=pkt R3=pkt_end R4=umax=65535 */
BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_4),
- /* if (r0 > r3) R0=pkt,umax=65535 R2=pkt R3=pkt_end R4=inv,umax=65535 */
+ /* if (r0 > r3) R0=pkt,umax=65535 R2=pkt R3=pkt_end R4=umax=65535 */
BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- /* r0 = *(u32 *)r2 R0=pkt,umax=65535 R2=pkt R3=pkt_end R4=inv20 */
+ /* r0 = *(u32 *)r2 R0=pkt,umax=65535 R2=pkt R3=pkt_end R4=20 */
BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_2, 0),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
@@ -222,11 +222,11 @@
BPF_LDX_MEM(BPF_H, BPF_REG_4, BPF_REG_10, -8),
/* r0 = r2 */
BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- /* r0 += r4 R0=pkt R2=pkt R3=pkt_end R4=inv,umax=65535 */
+ /* r0 += r4 R0=pkt R2=pkt R3=pkt_end R4=umax=65535 */
BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_4),
- /* if (r0 > r3) R0=pkt,umax=65535 R2=pkt R3=pkt_end R4=inv,umax=65535 */
+ /* if (r0 > r3) R0=pkt,umax=65535 R2=pkt R3=pkt_end R4=umax=65535 */
BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- /* r0 = *(u32 *)r2 R0=pkt,umax=65535 R2=pkt R3=pkt_end R4=inv20 */
+ /* r0 = *(u32 *)r2 R0=pkt,umax=65535 R2=pkt R3=pkt_end R4=20 */
BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_2, 0),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
@@ -250,11 +250,11 @@
BPF_LDX_MEM(BPF_H, BPF_REG_4, BPF_REG_10, -6),
/* r0 = r2 */
BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- /* r0 += r4 R0=pkt R2=pkt R3=pkt_end R4=inv,umax=65535 */
+ /* r0 += r4 R0=pkt R2=pkt R3=pkt_end R4=umax=65535 */
BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_4),
- /* if (r0 > r3) R0=pkt,umax=65535 R2=pkt R3=pkt_end R4=inv,umax=65535 */
+ /* if (r0 > r3) R0=pkt,umax=65535 R2=pkt R3=pkt_end R4=umax=65535 */
BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- /* r0 = *(u32 *)r2 R0=pkt,umax=65535 R2=pkt R3=pkt_end R4=inv20 */
+ /* r0 = *(u32 *)r2 R0=pkt,umax=65535 R2=pkt R3=pkt_end R4=20 */
BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_2, 0),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
@@ -280,11 +280,11 @@
BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_10, -4),
/* r0 = r2 */
BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
- /* r0 += r4 R0=pkt R2=pkt R3=pkt_end R4=inv,umax=U32_MAX */
+ /* r0 += r4 R0=pkt R2=pkt R3=pkt_end R4=umax=U32_MAX */
BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_4),
- /* if (r0 > r3) R0=pkt,umax=U32_MAX R2=pkt R3=pkt_end R4=inv */
+ /* if (r0 > r3) R0=pkt,umax=U32_MAX R2=pkt R3=pkt_end R4= */
BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 1),
- /* r0 = *(u32 *)r2 R0=pkt,umax=U32_MAX R2=pkt R3=pkt_end R4=inv */
+ /* r0 = *(u32 *)r2 R0=pkt,umax=U32_MAX R2=pkt R3=pkt_end R4= */
BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_2, 0),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
@@ -305,13 +305,13 @@
BPF_JMP_IMM(BPF_JLE, BPF_REG_4, 40, 2),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
- /* *(u32 *)(r10 -8) = r4 R4=inv,umax=40 */
+ /* *(u32 *)(r10 -8) = r4 R4=umax=40 */
BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_4, -8),
/* r4 = (*u32 *)(r10 - 8) */
BPF_LDX_MEM(BPF_W, BPF_REG_4, BPF_REG_10, -8),
- /* r2 += r4 R2=pkt R4=inv,umax=40 */
+ /* r2 += r4 R2=pkt R4=umax=40 */
BPF_ALU64_REG(BPF_ADD, BPF_REG_2, BPF_REG_4),
- /* r0 = r2 R2=pkt,umax=40 R4=inv,umax=40 */
+ /* r0 = r2 R2=pkt,umax=40 R4=umax=40 */
BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
/* r2 += 20 R0=pkt,umax=40 R2=pkt,umax=40 */
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 20),
@@ -214,7 +214,7 @@
BPF_EXIT_INSN(),
},
.result = REJECT,
- .errstr = "R1 type=inv expected=ctx",
+ .errstr = "R1 type=scalar expected=ctx",
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
},
{
@@ -420,7 +420,7 @@
BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_7, 0),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "R7 invalid mem access 'inv'",
+ .errstr_unpriv = "R7 invalid mem access 'scalar'",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 0,
@@ -64,7 +64,7 @@
},
.fixup_map_hash_48b = { 3 },
.errstr_unpriv = "R0 pointer arithmetic prohibited",
- .errstr = "invalid mem access 'inv'",
+ .errstr = "invalid mem access 'scalar'",
.result = REJECT,
.result_unpriv = REJECT,
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
@@ -89,7 +89,7 @@
},
.fixup_map_hash_48b = { 3 },
.errstr_unpriv = "leaking pointer from stack off -8",
- .errstr = "R0 invalid mem access 'inv'",
+ .errstr = "R0 invalid mem access 'scalar'",
.result = REJECT,
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
@@ -397,7 +397,7 @@
.fixup_map_array_48b = { 1 },
.result = ACCEPT,
.result_unpriv = REJECT,
- .errstr_unpriv = "R0 invalid mem access 'inv'",
+ .errstr_unpriv = "R0 invalid mem access 'scalar'",
.retval = 0,
},
{
@@ -1074,7 +1074,7 @@
},
.fixup_map_array_48b = { 3 },
.result = REJECT,
- .errstr = "R0 invalid mem access 'inv'",
+ .errstr = "R0 invalid mem access 'scalar'",
.errstr_unpriv = "R0 pointer -= pointer prohibited",
},
{
@@ -131,7 +131,7 @@
* write might have overwritten the spilled pointer (i.e. we lose track
* of the spilled register when we analyze the write).
*/
- .errstr = "R2 invalid mem access 'inv'",
+ .errstr = "R2 invalid mem access 'scalar'",
.result = REJECT,
},
{
In particular: 1) remove output of inv for scalars in print_verifier_state 2) replace inv with scalar in verifier error messages 3) remove _value suffixes for umin/umax/s32_min/etc (except map_value) 4) remove output of id=0 5) remove output of ref_obj_id=0 Signed-off-by: Mykola Lysenko <mykolal@fb.com> --- kernel/bpf/verifier.c | 63 ++--- .../testing/selftests/bpf/prog_tests/align.c | 218 +++++++++--------- .../selftests/bpf/prog_tests/log_buf.c | 4 +- .../selftests/bpf/verifier/atomic_invalid.c | 6 +- tools/testing/selftests/bpf/verifier/bounds.c | 4 +- tools/testing/selftests/bpf/verifier/calls.c | 6 +- tools/testing/selftests/bpf/verifier/ctx.c | 4 +- .../bpf/verifier/direct_packet_access.c | 2 +- .../bpf/verifier/helper_access_var_len.c | 6 +- tools/testing/selftests/bpf/verifier/jmp32.c | 16 +- .../testing/selftests/bpf/verifier/precise.c | 4 +- .../selftests/bpf/verifier/raw_stack.c | 4 +- .../selftests/bpf/verifier/ref_tracking.c | 6 +- .../selftests/bpf/verifier/search_pruning.c | 2 +- tools/testing/selftests/bpf/verifier/sock.c | 2 +- .../selftests/bpf/verifier/spill_fill.c | 38 +-- tools/testing/selftests/bpf/verifier/unpriv.c | 4 +- .../bpf/verifier/value_illegal_alu.c | 4 +- .../selftests/bpf/verifier/value_ptr_arith.c | 4 +- .../testing/selftests/bpf/verifier/var_off.c | 2 +- 20 files changed, 202 insertions(+), 197 deletions(-)