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-rw-r--r--lib/bootconfig.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/bootconfig.c b/lib/bootconfig.c
index 84d74ef234a5..d64ebfca9796 100644
--- a/lib/bootconfig.c
+++ b/lib/bootconfig.c
@@ -1121,6 +1121,13 @@ static int __init xbc_parse_tree(void)
}
} while (!ret);
+ if (!ret) {
+ while (p < xbc_data + xbc_data_size - 1 && *p == '\0')
+ p++;
+ if (p < xbc_data + xbc_data_size - 1)
+ ret = xbc_parse_error("Unexpected data after null character", p);
+ }
+
return ret;
}