diff options
Diffstat (limited to 'tools/perf/arch/x86/tests/dwarf-unwind.c')
| -rw-r--r-- | tools/perf/arch/x86/tests/dwarf-unwind.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/perf/arch/x86/tests/dwarf-unwind.c b/tools/perf/arch/x86/tests/dwarf-unwind.c index ef43be9b6ec2..4e40402a4f81 100644 --- a/tools/perf/arch/x86/tests/dwarf-unwind.c +++ b/tools/perf/arch/x86/tests/dwarf-unwind.c @@ -55,6 +55,14 @@ int test__arch_unwind_sample(struct perf_sample *sample, return -1; } +#ifdef MEMORY_SANITIZER + /* + * Assignments to buf in the assembly function perf_regs_load aren't + * seen by memory sanitizer. Zero the memory to convince memory + * sanitizer the memory is initialized. + */ + memset(buf, 0, sizeof(u64) * PERF_REGS_MAX); +#endif perf_regs_load(buf); regs->abi = PERF_SAMPLE_REGS_ABI; regs->regs = buf; |