diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
| commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
| tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/x86/um/bug.c | |
Initial import
Diffstat (limited to 'arch/x86/um/bug.c')
| -rw-r--r-- | arch/x86/um/bug.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/x86/um/bug.c b/arch/x86/um/bug.c new file mode 100644 index 000000000..e8034e363 --- /dev/null +++ b/arch/x86/um/bug.c @@ -0,0 +1,21 @@ +/* + * Copyright (C) 2006 Jeff Dike (jdike@addtoit.com) + * Licensed under the GPL V2 + */ + +#include <linux/uaccess.h> + +/* + * Mostly copied from i386/x86_86 - eliminated the eip < PAGE_OFFSET because + * that's not relevant in skas mode. + */ + +int is_valid_bugaddr(unsigned long eip) +{ + unsigned short ud2; + + if (probe_kernel_address((unsigned short __user *)eip, ud2)) + return 0; + + return ud2 == 0x0b0f; +} |