r0 = syz_io_uring_setup(0x266f, &(0x7f00000002c0), &(0x7f0000004000/0x4000)=nil, &(0x7f0000004000/0x4000)=nil, &(0x7f0000000080), &(0x7f00000003c0))
mmap$IORING_OFF_SQ_RING(&(0x7f0000000000/0xb000)=nil, 0xb000, 0x2, 0x12, r0, 0x0)
syz_io_uring_submit(0x0, 0x0, &(0x7f00000006c0)=@IORING_OP_WRITEV={0x2, 0x0, 0x0, @fd_index, 0x0, 0x0}, 0x0)
fork()