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fs/iso9660: Move sysarea pointer computation after bounds check

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Mintsuki
2026-04-14 14:47:56 +02:00
parent f69b2b5c67
commit 07d20ac135
1 changed files with 1 additions and 2 deletions
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3
common/fs/iso9660.s2.c
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@@ -173,13 +173,12 @@ static struct iso9660_context *iso9660_get_context(struct volume *vol) {
}
static bool load_name(char *buf, size_t limit, struct iso9660_directory_entry *entry) {
unsigned char* sysarea = ((unsigned char*)entry) + sizeof(struct iso9660_directory_entry) + entry->filename_size;
// Validate entry->length is large enough
if (entry->length < sizeof(struct iso9660_directory_entry) + entry->filename_size) {
goto use_iso_name;
}
unsigned char* sysarea = ((unsigned char*)entry) + sizeof(struct iso9660_directory_entry) + entry->filename_size;
size_t sysarea_len = entry->length - sizeof(struct iso9660_directory_entry) - entry->filename_size;
if ((entry->filename_size & 0x1) == 0) {
if (sysarea_len == 0) {