diff options
Diffstat (limited to 'tools/testing/selftests/bpf/progs/trace_printk.c')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/trace_printk.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/trace_printk.c b/tools/testing/selftests/bpf/progs/trace_printk.c index 6695478c2b25..f4c538ec3ebd 100644 --- a/tools/testing/selftests/bpf/progs/trace_printk.c +++ b/tools/testing/selftests/bpf/progs/trace_printk.c @@ -10,13 +10,23 @@ char _license[] SEC("license") = "GPL"; int trace_printk_ret = 0; int trace_printk_ran = 0; +int trace_printk_invalid_spec_ret = 0; +int trace_printk_utf8_ret = 0; +int trace_printk_utf8_ran = 0; const char fmt[] = "Testing,testing %d\n"; +static const char utf8_fmt[] = "中文,测试 %d\n"; +/* Non-ASCII bytes after '%' must still be rejected. */ +static const char invalid_spec_fmt[] = "%\x80\n"; SEC("fentry/" SYS_PREFIX "sys_nanosleep") int sys_enter(void *ctx) { trace_printk_ret = bpf_trace_printk(fmt, sizeof(fmt), ++trace_printk_ran); + trace_printk_utf8_ret = bpf_trace_printk(utf8_fmt, sizeof(utf8_fmt), + ++trace_printk_utf8_ran); + trace_printk_invalid_spec_ret = bpf_trace_printk(invalid_spec_fmt, + sizeof(invalid_spec_fmt)); return 0; } |