diff options
Diffstat (limited to 'tools/bpf')
| -rw-r--r-- | tools/bpf/bpftool/prog.c | 4 | ||||
| -rw-r--r-- | tools/bpf/bpftool/xlated_dumper.c | 2 |
2 files changed, 3 insertions, 3 deletions
diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c index d41651afe5f6..9e6dc94726b3 100644 --- a/tools/bpf/bpftool/prog.c +++ b/tools/bpf/bpftool/prog.c @@ -492,14 +492,14 @@ static int do_dump(int argc, char **argv) info = &info_linear->info; if (mode == DUMP_JITED) { - if (info->jited_prog_len == 0) { + if (info->jited_prog_len == 0 || !info->jited_prog_insns) { p_info("no instructions returned"); goto err_free; } buf = (unsigned char *)(info->jited_prog_insns); member_len = info->jited_prog_len; } else { /* DUMP_XLATED */ - if (info->xlated_prog_len == 0) { + if (info->xlated_prog_len == 0 || !info->xlated_prog_insns) { p_err("error retrieving insn dump: kernel.kptr_restrict set?"); goto err_free; } diff --git a/tools/bpf/bpftool/xlated_dumper.c b/tools/bpf/bpftool/xlated_dumper.c index 0bb17bf88b18..0ad5fe6b432b 100644 --- a/tools/bpf/bpftool/xlated_dumper.c +++ b/tools/bpf/bpftool/xlated_dumper.c @@ -176,7 +176,7 @@ static const char *print_call(void *private_data, struct kernel_sym *sym; if (insn->src_reg == BPF_PSEUDO_CALL && - (__u32) insn->imm < dd->nr_jited_ksyms) + (__u32) insn->imm < dd->nr_jited_ksyms && dd->jited_ksyms) address = dd->jited_ksyms[insn->imm]; sym = kernel_syms_search(dd, address); |