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Fusee: Fix overflow condition in SD KIP merging

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This commit is contained in:
Michael Scire 2018-04-12 02:47:27 -06:00
parent 75b29e777b
commit 5742571153
1 changed files with 3 additions and 1 deletions
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4
fusee/fusee-secondary/src/stratosphere.c
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@ -83,7 +83,9 @@ size_t stratosphere_merge_inis(void *dst, ini1_header_t **inis, unsigned int num
printk("Error: %s has wrong Title ID!\n", sd_path); printk("Error: %s has wrong Title ID!\n", sd_path);
generic_panic(); generic_panic();
} }
current_dst_kip += kip1_get_size_from_header(sd_kip); uint64_t sd_kip_size = kip1_get_size_from_header(sd_kip);
remaining_size -= sd_kip_size;
current_dst_kip += sd_kip_size;
} else { } else {
uint64_t current_kip_size = kip1_get_size_from_header(current_kip); uint64_t current_kip_size = kip1_get_size_from_header(current_kip);
if (current_kip_size > remaining_size) { if (current_kip_size > remaining_size) {