diff options
Diffstat (limited to 'common/cmd_pxe.c')
| -rw-r--r-- | common/cmd_pxe.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/common/cmd_pxe.c b/common/cmd_pxe.c index 0ab1e0aaa6..7e32c95df3 100644 --- a/common/cmd_pxe.c +++ b/common/cmd_pxe.c @@ -674,6 +674,15 @@ static int label_boot(cmd_tbl_t *cmdtp, struct pxe_label *label) char bootargs[CONFIG_SYS_CBSIZE] = ""; char finalbootargs[CONFIG_SYS_CBSIZE]; + if (strlen(label->append ?: "") + + strlen(ip_str) + strlen(mac_str) + 1 > sizeof(bootargs)) { + printf("bootarg overflow %zd+%zd+%zd+1 > %zd\n", + strlen(label->append ?: ""), + strlen(ip_str), strlen(mac_str), + sizeof(bootargs)); + return 1; + } + if (label->append) strcpy(bootargs, label->append); strcat(bootargs, ip_str); |