diff options
| -rw-r--r-- | kernel/rseq.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/kernel/rseq.c b/kernel/rseq.c index f020f18f512a..cfe01ab5253c 100644 --- a/kernel/rseq.c +++ b/kernel/rseq.c @@ -273,8 +273,6 @@ void __rseq_handle_notify_resume(struct ksignal *ksig, struct pt_regs *regs) if (unlikely(t->flags & PF_EXITING)) return; - if (unlikely(!access_ok(t->rseq, sizeof(*t->rseq)))) - goto error; ret = rseq_ip_fixup(regs); if (unlikely(ret < 0)) goto error; @@ -301,8 +299,7 @@ void rseq_syscall(struct pt_regs *regs) if (!t->rseq) return; - if (!access_ok(t->rseq, sizeof(*t->rseq)) || - rseq_get_rseq_cs(t, &rseq_cs) || in_rseq_cs(ip, &rseq_cs)) + if (rseq_get_rseq_cs(t, &rseq_cs) || in_rseq_cs(ip, &rseq_cs)) force_sig(SIGSEGV); } |