diff options
| -rw-r--r-- | arch/arm64/kernel/ptrace.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c index e4437f62a2cd..8525d03f0fb4 100644 --- a/arch/arm64/kernel/ptrace.c +++ b/arch/arm64/kernel/ptrace.c @@ -1427,7 +1427,7 @@ static int tagged_addr_ctrl_get(struct task_struct *target, { long ctrl = get_tagged_addr_ctrl(target); - if (IS_ERR_VALUE(ctrl)) + if (WARN_ON_ONCE(IS_ERR_VALUE(ctrl))) return ctrl; return membuf_write(&to, &ctrl, sizeof(ctrl)); @@ -1441,6 +1441,10 @@ static int tagged_addr_ctrl_set(struct task_struct *target, const struct int ret; long ctrl; + ctrl = get_tagged_addr_ctrl(target); + if (WARN_ON_ONCE(IS_ERR_VALUE(ctrl))) + return ctrl; + ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &ctrl, 0, -1); if (ret) return ret; |