Verifier now prints a different message on seeing negative offset for
ctx reg (and others as well), change the errstr expected by test.
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@xxxxxxxxx>
---
tools/testing/selftests/bpf/verifier/bounds_deduction.c | 2 +-
tools/testing/selftests/bpf/verifier/ctx.c | 8 ++++----
2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/tools/testing/selftests/bpf/verifier/bounds_deduction.c b/tools/testing/selftests/bpf/verifier/bounds_deduction.c
index 91869aea6d64..3931c481e30c 100644
--- a/tools/testing/selftests/bpf/verifier/bounds_deduction.c
+++ b/tools/testing/selftests/bpf/verifier/bounds_deduction.c
@@ -105,7 +105,7 @@
BPF_EXIT_INSN(),
},
.errstr_unpriv = "R1 has pointer with unsupported alu operation",
- .errstr = "dereference of modified ctx ptr",
+ .errstr = "negative offset ctx ptr R1 off=-1 disallowed",
.result = REJECT,
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
diff --git a/tools/testing/selftests/bpf/verifier/ctx.c b/tools/testing/selftests/bpf/verifier/ctx.c
index 23080862aafd..e47a001c2bcd 100644
--- a/tools/testing/selftests/bpf/verifier/ctx.c
+++ b/tools/testing/selftests/bpf/verifier/ctx.c
@@ -58,7 +58,7 @@
},
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.result = REJECT,
- .errstr = "dereference of modified ctx ptr",
+ .errstr = "negative offset ctx ptr R1 off=-612 disallowed",
},
{
"pass modified ctx pointer to helper, 2",
@@ -71,8 +71,8 @@
},
.result_unpriv = REJECT,
.result = REJECT,
- .errstr_unpriv = "dereference of modified ctx ptr",
- .errstr = "dereference of modified ctx ptr",
+ .errstr_unpriv = "negative offset ctx ptr R1 off=-612 disallowed",
+ .errstr = "negative offset ctx ptr R1 off=-612 disallowed",
},
{
"pass modified ctx pointer to helper, 3",
@@ -141,7 +141,7 @@
.prog_type = BPF_PROG_TYPE_CGROUP_SOCK_ADDR,
.expected_attach_type = BPF_CGROUP_UDP6_SENDMSG,
.result = REJECT,
- .errstr = "dereference of modified ctx ptr",
+ .errstr = "negative offset ctx ptr R1 off=-612 disallowed",
},
{
"pass ctx or null check, 5: null (connect)",
--
2.35.1
