r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x46e2, 0x0)
r1 = mmap$IORING_OFF_SQ_RING(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0xa, 0x13, r0, 0x0)
syz_memcpy_off$IO_URING_METADATA_GENERIC(r1, 0x0, &(0x7f00000004c0), 0x0, 0x4)