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Code Issues Releases Activity

nyx: Fix heap corruption while parsing emmc gpt

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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_storage_t storage;
sdmmc_t sdmmc; 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)) 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); sdmmc_storage_set_mmc_partition(&storage, EMMC_GPP);
LIST_INIT(gpt); LIST_INIT(gpt);
nx_emmc_gpt_parse(&gpt, &storage); nx_emmc_gpt_parse(&gpt, &storage);
int gpp_idx = 0;
u32 idx = 0;
LIST_FOREACH_ENTRY(emmc_part_t, part, &gpt, link) 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); s_printf(txt_buf + strlen(txt_buf), "#FFDD00 Table truncated!#");
if (gpp_idx < 2) break;
s_printf(txt_buf + strlen(txt_buf), " "); }
s_printf(txt_buf + strlen(txt_buf), " Size: %d MiB (Sect: 0x%4X), Range: %06X-%06X\n",
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) >> 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 else
{ {
s_printf(txt_buf + strlen(txt_buf), "%02d: #96FF00 %s#\n Size: %6d MiB (Sect: 0x%07X), Range: %07X-%07X\n", s_printf(txt_buf + strlen(txt_buf), "%02d: #96FF00 %s#\n Size: %7d MiB (Sect: 0x%07X), Start: %07X\n",
gpp_idx++, part->name, (part->lba_end - part->lba_start + 1) >> SECTORS_TO_MIB_COEFF, 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, part->lba_end); part->lba_end - part->lba_start + 1, part->lba_start);
} }
idx++;
} }
nx_emmc_gpt_free(&gpt); nx_emmc_gpt_free(&gpt);