From: Andy Lutomirski <l...@amacapital.net> 3.4.108-rc1 review patch. If anyone has any objections, please let me know.
------------------ commit 394838c96013ba414a24ffe7a2a593a9154daadf upstream. The one in do_debug() is probably harmless, but better safe than sorry. Signed-off-by: Andy Lutomirski <l...@amacapital.net> Cc: Borislav Petkov <b...@alien8.de> Cc: Dave Hansen <dave.han...@linux.intel.com> Cc: H. Peter Anvin <h...@zytor.com> Cc: Linus Torvalds <torva...@linux-foundation.org> Cc: Thomas Gleixner <t...@linutronix.de> Link: http://lkml.kernel.org/r/d67deaa9df5458363623001f252d1aee3215d014.1425948056.git.l...@amacapital.net Signed-off-by: Ingo Molnar <mi...@kernel.org> [lizf: Backported to 3.4: drop the change to do_bounds()] Signed-off-by: Zefan Li <lize...@huawei.com> --- arch/x86/kernel/traps.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 9bfe95f..adc049f 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -435,7 +435,7 @@ dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code) * then it's very likely the result of an icebp/int01 trap. * User wants a sigtrap for that. */ - if (!dr6 && user_mode(regs)) + if (!dr6 && user_mode_vm(regs)) user_icebp = 1; /* Catch kmemcheck conditions first of all! */ -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
