diff options
Diffstat (limited to 'hw/pc.c')
| -rw-r--r-- | hw/pc.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/hw/pc.c b/hw/pc.c index 47afaa5f6e..408d6d622f 100644 --- a/hw/pc.c +++ b/hw/pc.c @@ -702,6 +702,10 @@ static int load_multiboot(void *fw_cfg, int mb_mod_count = 0; do { + if (mb_mod_info + 16 > mb_mod_cmdline) { + printf("WARNING: Too many modules loaded, aborting.\n"); + break; + } next_initrd = strchr(initrd_filename, ','); if (next_initrd) *next_initrd = '\0'; @@ -712,8 +716,11 @@ static int load_multiboot(void *fw_cfg, initrd_filename); stl_p(bootinfo + mb_mod_info + 8, mb_bootinfo + mb_mod_cmdline); /* string */ mb_mod_cmdline += strlen(initrd_filename) + 1; - if (mb_mod_cmdline > sizeof(bootinfo)) + if (mb_mod_cmdline > sizeof(bootinfo)) { mb_mod_cmdline = sizeof(bootinfo); + printf("WARNING: Too many module cmdlines loaded, aborting.\n"); + break; + } if ((next_space = strchr(initrd_filename, ' '))) *next_space = '\0'; #ifdef DEBUG_MULTIBOOT |