From: Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp>
Date: Thu, 2 Nov 2017 17:09:45 +0900
Subject: tools: bpf: handle long path in jit disasm
Patch-mainline: v4.15-rc1
Git-commit: cdc89c91987bd6efa962b36d4ea86d0c9152eb11
References: bsc#1109837
Use PATH_MAX instead of hardcoded array size 256
Signed-off-by: Prashant Bhole <bhole_prashant_q7@lab.ntt.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
tools/bpf/bpf_jit_disasm.c | 3 ++-
tools/bpf/bpftool/jit_disasm.c | 3 ++-
2 files changed, 4 insertions(+), 2 deletions(-)
--- a/tools/bpf/bpf_jit_disasm.c
+++ b/tools/bpf/bpf_jit_disasm.c
@@ -27,6 +27,7 @@
#include <sys/klog.h>
#include <sys/types.h>
#include <sys/stat.h>
+#include <limits.h>
#define CMD_ACTION_SIZE_BUFFER 10
#define CMD_ACTION_READ_ALL 3
@@ -51,7 +52,7 @@ static void get_exec_path(char *tpath, s
static void get_asm_insns(uint8_t *image, size_t len, int opcodes)
{
int count, i, pc = 0;
- char tpath[256];
+ char tpath[PATH_MAX];
struct disassemble_info info;
disassembler_ftype disassemble;
bfd *bfdf;
--- a/tools/bpf/bpftool/jit_disasm.c
+++ b/tools/bpf/bpftool/jit_disasm.c
@@ -21,6 +21,7 @@
#include <dis-asm.h>
#include <sys/types.h>
#include <sys/stat.h>
+#include <limits.h>
#include "json_writer.h"
#include "main.h"
@@ -80,7 +81,7 @@ void disasm_print_insn(unsigned char *im
disassembler_ftype disassemble;
struct disassemble_info info;
int count, i, pc = 0;
- char tpath[256];
+ char tpath[PATH_MAX];
bfd *bfdf;
if (!len)