commit aacf0e2661c8492bab7d3c89381071d2c11d7d83
author Lawrence Tang <lawrence.tang@arm.com> Wed Jul 20 13:28:52 2022 +0100
committer Lawrence Tang <lawrence.tang@arm.com> Wed Jul 20 13:28:52 2022 +0100
tree 6d05d637415ef41a8cc82a807dc49cfaf5e9660c
parent cd505205d9a1cefadb19978afd59093f0754c13a

Add fixes based on test fuzzing.

generator/sections/gen-section-generic.c

diff --git a/generator/sections/gen-section-generic.c b/generator/sections/gen-section-generic.c
index b2bda16..abc9792 100644
--- a/generator/sections/gen-section-generic.c
+++ b/generator/sections/gen-section-generic.c
@@ -22,5 +22,17 @@
     *(start_byte + 12) &= 0b111;
     *((UINT16*)(start_byte + 14)) = 0x0;
     
+    //Ensure CPU brand string does not terminate early.
+    for (int i=0; i<128; i++)
+    {
+        UINT8* byte = start_byte + 24 + i;
+        if (*byte == 0x0)
+            *byte = rand() % 127 + 1;
+
+        //Null terminate last byte.
+        if (i == 127)
+            *byte = 0x0;
+    }
+
     return size;
 }
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