[PATCH 6/6] uprobes/x86: Add SLS mitigation to the trampolines

[Peter Zijlstra]

It is trivial; no reason not to.

Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
---
 arch/x86/kernel/uprobes.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/arch/x86/kernel/uprobes.c
+++ b/arch/x86/kernel/uprobes.c
@@ -336,6 +336,7 @@ asm (
 	 * call ret.
 	 */
 	"ret\n"
+	"int3\n"
 	".global uretprobe_trampoline_end\n"
 	"uretprobe_trampoline_end:\n"
 	".popsection\n"
@@ -891,6 +892,7 @@ asm (
 	"pop %r11\n"
 	"pop %rcx\n"
 	"ret\n"
+	"int3\n"
 	".balign " __stringify(PAGE_SIZE) "\n"
 	".popsection\n"
 );