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- diff -Nur linux-4.4.302.orig/kernel/futex.c linux-4.4.302/kernel/futex.c
- --- linux-4.4.302.orig/kernel/futex.c 2022-02-03 09:27:54.000000000 +0100
- +++ linux-4.4.302/kernel/futex.c 2023-02-19 14:03:07.727035123 +0100
- @@ -1701,16 +1701,8 @@
- int oldval, ret;
-
- if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) {
- - if (oparg < 0 || oparg > 31) {
- - char comm[sizeof(current->comm)];
- - /*
- - * kill this print and return -EINVAL when userspace
- - * is sane again
- - */
- - pr_info_ratelimited("futex_wake_op: %s tries to shift op by %d; fix this program\n",
- - get_task_comm(comm, current), oparg);
- - oparg &= 31;
- - }
- + if (oparg < 0 || oparg > 31)
- + return -EINVAL;
- oparg = 1 << oparg;
- }
-
|
