diff options
Diffstat (limited to 'arch/arm64/kernel/probes/kprobes.c')
| -rw-r--r-- | arch/arm64/kernel/probes/kprobes.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/kernel/probes/kprobes.c b/arch/arm64/kernel/probes/kprobes.c index d2b1b624ddc3..17f647103ed7 100644 --- a/arch/arm64/kernel/probes/kprobes.c +++ b/arch/arm64/kernel/probes/kprobes.c @@ -450,6 +450,9 @@ kprobe_single_step_handler(struct pt_regs *regs, unsigned int esr) struct kprobe_ctlblk *kcb = get_kprobe_ctlblk(); int retval; + if (user_mode(regs)) + return DBG_HOOK_ERROR; + /* return error if this is not our step */ retval = kprobe_ss_hit(kcb, instruction_pointer(regs)); @@ -466,6 +469,9 @@ kprobe_single_step_handler(struct pt_regs *regs, unsigned int esr) int __kprobes kprobe_breakpoint_handler(struct pt_regs *regs, unsigned int esr) { + if (user_mode(regs)) + return DBG_HOOK_ERROR; + kprobe_handler(regs); return DBG_HOOK_HANDLED; } |