---

yaml --- r: 84179 b: refs/heads/master c: 6ed31e9 h: refs/heads/master i: 84177: ec87520 84175: 8b01817 v: v3
git-mirror · Feb 7, 2008 · 13dc325 · 13dc325
1 parent df31466
commit 13dc325
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Showing 4 changed files with 12 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 71fc47a9adf8ee89e5c96a47222915c5485ac437
+refs/heads/master: 6ed31e92e94830c138fbd470486383380710069a
diff --git a/trunk/drivers/acpi/osl.c b/trunk/drivers/acpi/osl.c
@@ -392,6 +392,13 @@ acpi_os_table_override(struct acpi_table_header * existing_table,
 			*new_table = initrd_table;
 	}
 #endif
+	if (*new_table != NULL) {
+		printk(KERN_WARNING PREFIX "Override [%4.4s-%8.8s], "
+			   "this is unsafe: tainting kernel\n",
+		       existing_table->signature,
+		       existing_table->oem_table_id);
+		add_taint(TAINT_OVERRIDDEN_ACPI_TABLE);
+	}
 	return AE_OK;
 }
 

diff --git a/trunk/include/linux/kernel.h b/trunk/include/linux/kernel.h
@@ -243,6 +243,7 @@ extern enum system_states {
 #define TAINT_BAD_PAGE			(1<<5)
 #define TAINT_USER			(1<<6)
 #define TAINT_DIE			(1<<7)
+#define TAINT_OVERRIDDEN_ACPI_TABLE	(1<<8)
 
 extern void dump_stack(void) __cold;
 

diff --git a/trunk/kernel/panic.c b/trunk/kernel/panic.c
@@ -161,15 +161,16 @@ const char *print_tainted(void)
 {
 	static char buf[20];
 	if (tainted) {
-		snprintf(buf, sizeof(buf), "Tainted: %c%c%c%c%c%c%c%c",
+		snprintf(buf, sizeof(buf), "Tainted: %c%c%c%c%c%c%c%c%c",
 			tainted & TAINT_PROPRIETARY_MODULE ? 'P' : 'G',
 			tainted & TAINT_FORCED_MODULE ? 'F' : ' ',
 			tainted & TAINT_UNSAFE_SMP ? 'S' : ' ',
 			tainted & TAINT_FORCED_RMMOD ? 'R' : ' ',
 			tainted & TAINT_MACHINE_CHECK ? 'M' : ' ',
 			tainted & TAINT_BAD_PAGE ? 'B' : ' ',
 			tainted & TAINT_USER ? 'U' : ' ',
-			tainted & TAINT_DIE ? 'D' : ' ');
+			tainted & TAINT_DIE ? 'D' : ' ',
+			tainted & TAINT_OVERRIDDEN_ACPI_TABLE ? 'A' : ' ');
 	}
 	else
 		snprintf(buf, sizeof(buf), "Not tainted");