diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/bpf/log.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/kernel/bpf/log.c b/kernel/bpf/log.c index 594a234f122b..cc789efc7f43 100644 --- a/kernel/bpf/log.c +++ b/kernel/bpf/log.c @@ -9,6 +9,7 @@ #include <linux/bpf.h> #include <linux/bpf_verifier.h> #include <linux/math64.h> +#include <linux/string.h> #define verbose(env, fmt, args...) bpf_verifier_log_write(env, fmt, ##args) @@ -362,6 +363,8 @@ __printf(3, 4) void verbose_linfo(struct bpf_verifier_env *env, const char *prefix_fmt, ...) { const struct bpf_line_info *linfo; + const struct btf *btf; + const char *s, *fname; if (!bpf_verifier_log_needed(&env->log)) return; @@ -378,9 +381,15 @@ __printf(3, 4) void verbose_linfo(struct bpf_verifier_env *env, va_end(args); } - verbose(env, "%s\n", - ltrim(btf_name_by_offset(env->prog->aux->btf, - linfo->line_off))); + btf = env->prog->aux->btf; + s = ltrim(btf_name_by_offset(btf, linfo->line_off)); + verbose(env, "%s", s); /* source code line */ + + s = btf_name_by_offset(btf, linfo->file_name_off); + /* leave only file name */ + fname = strrchr(s, '/'); + fname = fname ? fname + 1 : s; + verbose(env, " @ %s:%u\n", fname, BPF_LINE_INFO_LINE_NUM(linfo->line_col)); env->prev_linfo = linfo; } |