mmap(&(0x7f0000001000/0x2000)=nil, 0x2000, 0x0, 0x20031, 0xffffffffffffffff, 0x0)
r0 = syz_io_uring_setup(0x5e8e, &(0x7f0000000440), &(0x7f0000ffa000/0x4000)=nil, &(0x7f0000ffe000/0x2000)=nil, &(0x7f00000004c0), &(0x7f0000000500))
io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000540)=""/4096, 0x1000}], 0x1)