diff options
| -rw-r--r-- | arch/i386/kernel/kprobes.c | 3 | ||||
| -rw-r--r-- | arch/x86_64/kernel/kprobes.c | 3 |
2 files changed, 6 insertions, 0 deletions
diff --git a/arch/i386/kernel/kprobes.c b/arch/i386/kernel/kprobes.c index 7fb5a6f4a56..e5cec32018a 100644 --- a/arch/i386/kernel/kprobes.c +++ b/arch/i386/kernel/kprobes.c @@ -221,7 +221,10 @@ static int __kprobes kprobe_handler(struct pt_regs *regs) * either a probepoint or a debugger breakpoint * at this address. In either case, no further * handling of this interrupt is appropriate. + * Back up over the (now missing) int3 and run + * the original instruction. */ + regs->eip -= sizeof(kprobe_opcode_t); ret = 1; } /* Not one of ours: let kernel handle it */ diff --git a/arch/x86_64/kernel/kprobes.c b/arch/x86_64/kernel/kprobes.c index c21cceaea27..2d7658fbbb2 100644 --- a/arch/x86_64/kernel/kprobes.c +++ b/arch/x86_64/kernel/kprobes.c @@ -361,7 +361,10 @@ int __kprobes kprobe_handler(struct pt_regs *regs) * either a probepoint or a debugger breakpoint * at this address. In either case, no further * handling of this interrupt is appropriate. + * Back up over the (now missing) int3 and run + * the original instruction. */ + regs->rip = (unsigned long)addr; ret = 1; } /* Not one of ours: let kernel handle it */ |