From: Pierre-Marc Fournier <pierre-marc.fournier@polymtl.ca>
Date: Sat, 7 Feb 2009 17:40:48 +0000 (-0500)
Subject: ust: add kernel poison.h
X-Git-Tag: v1.9.1~1082
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=27d07530b59fadb1f3a63d3f78d973bfb12afbaf;p=lttng-ust.git

ust: add kernel poison.h
---

diff --git a/libmarkers/poison.h b/libmarkers/poison.h
new file mode 100644
index 00000000..0d128c09
--- /dev/null
+++ b/libmarkers/poison.h
@@ -0,0 +1,75 @@
+#ifndef _LINUX_POISON_H
+#define _LINUX_POISON_H
+
+/********** include/linux/list.h **********/
+/*
+ * These are non-NULL pointers that will result in page faults
+ * under normal circumstances, used to verify that nobody uses
+ * non-initialized list entries.
+ */
+#define LIST_POISON1  ((void *) 0x00100100)
+#define LIST_POISON2  ((void *) 0x00200200)
+
+/********** include/linux/timer.h **********/
+/*
+ * Magic number "tsta" to indicate a static timer initializer
+ * for the object debugging code.
+ */
+#define TIMER_ENTRY_STATIC	((void *) 0x74737461)
+
+/********** mm/slab.c **********/
+/*
+ * Magic nums for obj red zoning.
+ * Placed in the first word before and the first word after an obj.
+ */
+#define	RED_INACTIVE	0x09F911029D74E35BULL	/* when obj is inactive */
+#define	RED_ACTIVE	0xD84156C5635688C0ULL	/* when obj is active */
+
+#define SLUB_RED_INACTIVE	0xbb
+#define SLUB_RED_ACTIVE		0xcc
+
+/* ...and for poisoning */
+#define	POISON_INUSE	0x5a	/* for use-uninitialised poisoning */
+#define POISON_FREE	0x6b	/* for use-after-free poisoning */
+#define	POISON_END	0xa5	/* end-byte of poisoning */
+
+/********** arch/$ARCH/mm/init.c **********/
+#define POISON_FREE_INITMEM	0xcc
+
+/********** arch/ia64/hp/common/sba_iommu.c **********/
+/*
+ * arch/ia64/hp/common/sba_iommu.c uses a 16-byte poison string with a
+ * value of "SBAIOMMU POISON\0" for spill-over poisoning.
+ */
+
+/********** fs/jbd/journal.c **********/
+#define JBD_POISON_FREE		0x5b
+#define JBD2_POISON_FREE	0x5c
+
+/********** drivers/base/dmapool.c **********/
+#define	POOL_POISON_FREED	0xa7	/* !inuse */
+#define	POOL_POISON_ALLOCATED	0xa9	/* !initted */
+
+/********** drivers/atm/ **********/
+#define ATM_POISON_FREE		0x12
+#define ATM_POISON		0xdeadbeef
+
+/********** net/ **********/
+#define NEIGHBOR_DEAD		0xdeadbeef
+#define NETFILTER_LINK_POISON	0xdead57ac
+
+/********** kernel/mutexes **********/
+#define MUTEX_DEBUG_INIT	0x11
+#define MUTEX_DEBUG_FREE	0x22
+
+/********** Priority-Sifting Reader-Writer Locks **********/
+#define PSRWLOCK_DEBUG_INIT	0x33
+#define PSRWLOCK_DEBUG_FREE	0x44
+
+/********** security/ **********/
+#define KEY_DESTROY		0xbd
+
+/********** sound/oss/ **********/
+#define OSS_POISON_FREE		0xAB
+
+#endif