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host/limine: Validate uninstall data entry size before malloc

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Mintsuki
2026-04-01 22:23:35 +02:00
parent f7c265f806
commit 0a24c40c7e
1 changed files with 5 additions and 1 deletions
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6
host/limine.c
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@@ -409,7 +409,11 @@ static bool load_uninstall_data(const char *filename) {
if (fread(&uninstall_data[i].count, sizeof(uint64_t), 1, udfile) != 1) {
goto fread_error;
}
uninstall_data[i].data = malloc(uninstall_data[i].count);
if (uninstall_data[i].count > SIZE_MAX) {
fprintf(stderr, "error: load_uninstall_data(): entry size too large\n");
goto error;
}
uninstall_data[i].data = malloc((size_t)uninstall_data[i].count);
if (uninstall_data[i].data == NULL) {
perror_wrap("error: load_uninstall_data(): malloc()");
goto error;