diff options
| -rw-r--r-- | arch/i386/kernel/kprobes.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/i386/kernel/kprobes.c b/arch/i386/kernel/kprobes.c index 6c93ddf09512..38806f427849 100644 --- a/arch/i386/kernel/kprobes.c +++ b/arch/i386/kernel/kprobes.c @@ -443,10 +443,11 @@ static void __kprobes resume_execution(struct kprobe *p, *tos &= ~(TF_MASK | IF_MASK); *tos |= kcb->kprobe_old_eflags; break; - case 0xc3: /* ret/lret */ - case 0xcb: - case 0xc2: + case 0xc2: /* iret/ret/lret */ + case 0xc3: case 0xca: + case 0xcb: + case 0xcf: case 0xea: /* jmp absolute -- eip is correct */ /* eip is already adjusted, no more changes required */ p->ainsn.boostable = 1; @@ -454,10 +455,13 @@ static void __kprobes resume_execution(struct kprobe *p, case 0xe8: /* call relative - Fix return addr */ *tos = orig_eip + (*tos - copy_eip); break; + case 0x9a: /* call absolute -- same as call absolute, indirect */ + *tos = orig_eip + (*tos - copy_eip); + goto no_change; case 0xff: if ((p->ainsn.insn[1] & 0x30) == 0x10) { - /* call absolute, indirect */ /* + * call absolute, indirect * Fix return addr; eip is correct. * But this is not boostable */ |