r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0)
syz_io_uring_submit(0x0, 0x0, &(0x7f0000000000)=@IORING_OP_READV=@use_registered_buffer={0x1, 0x0, 0x0, @fd=r0, 0xffffffffffffffff}, 0x0)
pkey_mprotect(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1, 0xffffffffffffffff)
nanosleep(&(0x7f0000000000), 0x0)