prctl(0xffffffff /* PR_??? */, 0xfffffffe, 0xfffffffd, 0xfffffffc, 0xfffffffb) = -1 EINVAL (Invalid argument)
prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_ON, 0xdeadbeeffacefeed, 0, NULL) = -1 EINVAL (Invalid argument)
prctl(PR_SET_SYSCALL_USER_DISPATCH, 0xffffffff00000000 /* PR_SYS_DISPATCH_??? */, 0x1, 0x1, 0x1) = -1 EINVAL (Invalid argument)
prctl(PR_SET_SYSCALL_USER_DISPATCH, PR_SYS_DISPATCH_OFF, 0, 0xdeadbeeffacefeee, 0xdeadbeeffacefeef) = -1 EINVAL (Invalid argument)
prctl(PR_SET_SYSCALL_USER_DISPATCH, 0x2 /* PR_SYS_DISPATCH_??? */, 0x1, 0x1, 0x7ffd018e4127) = -1 EINVAL (Invalid argument)
+++ exited with 0 +++
