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-rw-r--r--resources/libreboot/patch/kgpe-d16/0029-lib-stack-Add-stack-overrun-detection.patch38
1 files changed, 38 insertions, 0 deletions
diff --git a/resources/libreboot/patch/kgpe-d16/0029-lib-stack-Add-stack-overrun-detection.patch b/resources/libreboot/patch/kgpe-d16/0029-lib-stack-Add-stack-overrun-detection.patch
new file mode 100644
index 0000000..b0fc1e3
--- /dev/null
+++ b/resources/libreboot/patch/kgpe-d16/0029-lib-stack-Add-stack-overrun-detection.patch
@@ -0,0 +1,38 @@
+From aa92a6ff110c9fd77f6b157fa509988d597ad2e0 Mon Sep 17 00:00:00 2001
+From: Timothy Pearson <tpearson@raptorengineeringinc.com>
+Date: Sat, 5 Sep 2015 19:31:03 -0500
+Subject: [PATCH 029/139] lib/stack: Add stack overrun detection
+
+Change-Id: I9a59fcb7cf221ae590a047c520e7aff99e23ecf1
+Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
+---
+ src/lib/stack.c | 5 +++--
+ 1 file changed, 3 insertions(+), 2 deletions(-)
+
+diff --git a/src/lib/stack.c b/src/lib/stack.c
+index 52dd723..bebeea2 100644
+--- a/src/lib/stack.c
++++ b/src/lib/stack.c
+@@ -18,6 +18,7 @@ it with the version available from LANL.
+ */
+ /* Copyright 2000, Ron Minnich, Advanced Computing Lab, LANL
+ * rminnich@lanl.gov
++ * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering
+ */
+
+ #include <assert.h>
+@@ -33,9 +34,9 @@ int checkstack(void *top_of_stack, int core)
+ u32 *stack = (u32 *) (top_of_stack - stack_size);
+
+ if (stack[0] != 0xDEADBEEF){
+- printk(BIOS_ERR, "Stack overrun on CPU%d. "
++ printk(BIOS_ERR, "Stack overrun on CPU%d (address %p overwritten). "
+ "Increase stack from current %zu bytes\n",
+- core, stack_size);
++ core, stack, stack_size);
+ BUG();
+ return -1;
+ }
+--
+1.9.1
+