diff options
Diffstat (limited to 'arch/loongarch/kernel/ptrace.c')
| -rw-r--r-- | arch/loongarch/kernel/ptrace.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/loongarch/kernel/ptrace.c b/arch/loongarch/kernel/ptrace.c index 8edd0954e55a..be38430f7e28 100644 --- a/arch/loongarch/kernel/ptrace.c +++ b/arch/loongarch/kernel/ptrace.c @@ -650,8 +650,13 @@ static int ptrace_hbp_set_addr(unsigned int note_type, struct perf_event_attr attr; /* Kernel-space address cannot be monitored by user-space */ +#ifdef CONFIG_32BIT + if ((unsigned long)addr >= KPRANGE0) + return -EINVAL; +#else if ((unsigned long)addr >= XKPRANGE) return -EINVAL; +#endif bp = ptrace_hbp_get_initialised_bp(note_type, tsk, idx); if (IS_ERR(bp)) |