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Code Issues Releases Activity

nyx: Fix heap corruption while parsing emmc gpt

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This commit is contained in:
CTCaer 2020-04-30 01:31:01 +03:00
parent ec53aa86dd
commit 8fd398f213
1 changed files with 17 additions and 11 deletions
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28
nyx/nyx_gui/frontend/gui_info.c
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@ -551,7 +551,7 @@ static lv_res_t _create_window_emmc_info_status(lv_obj_t *btn)
sdmmc_storage_t storage;
sdmmc_t sdmmc;
char *txt_buf = (char *)malloc(0x1000);
char *txt_buf = (char *)malloc(0x4000);
if (!sdmmc_storage_init_mmc(&storage, &sdmmc, SDMMC_BUS_WIDTH_8, SDHCI_TIMING_MMC_HS400))
{
@ -651,25 +651,31 @@ static lv_res_t _create_window_emmc_info_status(lv_obj_t *btn)
sdmmc_storage_set_mmc_partition(&storage, EMMC_GPP);
LIST_INIT(gpt);
nx_emmc_gpt_parse(&gpt, &storage);
int gpp_idx = 0;
u32 idx = 0;
LIST_FOREACH_ENTRY(emmc_part_t, part, &gpt, link)
{
if (gpp_idx < 2)
if (idx > 10)
{
s_printf(txt_buf + strlen(txt_buf), "%02d: #96FF00 %s#", gpp_idx++, part->name);
if (gpp_idx < 2)
s_printf(txt_buf + strlen(txt_buf), " ");
s_printf(txt_buf + strlen(txt_buf), " Size: %d MiB (Sect: 0x%4X), Range: %06X-%06X\n",
s_printf(txt_buf + strlen(txt_buf), "#FFDD00 Table truncated!#");
break;
}
if (part->index < 2)
{
s_printf(txt_buf + strlen(txt_buf), "%02d: #96FF00 %s# ", part->index, part->name);
s_printf(txt_buf + strlen(txt_buf), " Size: %d MiB (Sect: 0x%X), Start: %06X\n",
(part->lba_end - part->lba_start + 1) >> SECTORS_TO_MIB_COEFF,
part->lba_end - part->lba_start + 1, part->lba_start, part->lba_end);
part->lba_end - part->lba_start + 1, part->lba_start);
}
else
{
s_printf(txt_buf + strlen(txt_buf), "%02d: #96FF00 %s#\n Size: %6d MiB (Sect: 0x%07X), Range: %07X-%07X\n",
gpp_idx++, part->name, (part->lba_end - part->lba_start + 1) >> SECTORS_TO_MIB_COEFF,
part->lba_end - part->lba_start + 1, part->lba_start, part->lba_end);
s_printf(txt_buf + strlen(txt_buf), "%02d: #96FF00 %s#\n Size: %7d MiB (Sect: 0x%07X), Start: %07X\n",
part->index, part->name, (part->lba_end - part->lba_start + 1) >> SECTORS_TO_MIB_COEFF,
part->lba_end - part->lba_start + 1, part->lba_start);
}
idx++;
}
nx_emmc_gpt_free(&gpt);