The verifier tailcall jit selftest is broken, because the prologue of x86
bpf prog has been updated to fix the tailcall infinite loop issue caused
by freplace.
Signed-off-by: Leon Hwang <leon.hwang@xxxxxxxxx>
---
tools/testing/selftests/bpf/progs/verifier_tailcall_jit.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/bpf/progs/verifier_tailcall_jit.c b/tools/testing/selftests/bpf/progs/verifier_tailcall_jit.c
index 8d60c634a114f..60a6045e2d9ae 100644
--- a/tools/testing/selftests/bpf/progs/verifier_tailcall_jit.c
+++ b/tools/testing/selftests/bpf/progs/verifier_tailcall_jit.c
@@ -33,8 +33,8 @@ __success
__arch_x86_64
/* program entry for main(), regular function prologue */
__jited(" endbr64")
-__jited(" nopl (%rax,%rax)")
__jited(" xorq %rax, %rax")
+__jited(" nopl (%rax,%rax)")
__jited(" pushq %rbp")
__jited(" movq %rsp, %rbp")
/* tail call prologue for program:
@@ -63,8 +63,8 @@ __jited(" {{(retq|jmp 0x)}}") /* return or jump to rethunk */
__jited("...")
/* subprogram entry for sub(), regular function prologue */
__jited(" endbr64")
-__jited(" nopl (%rax,%rax)")
__jited(" nopl (%rax)")
+__jited(" nopl (%rax,%rax)")
__jited(" pushq %rbp")
__jited(" movq %rsp, %rbp")
/* tail call prologue for subprogram address of tail call counter
--
2.44.0
