syz_io_uring_setup(0x4d4f, &(0x7f00000002c0), &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000000200)=<r0=>0x0, &(0x7f0000000140)=<r1=>0x0)
syz_io_uring_submit(r0, r1, &(0x7f0000000000)=@IORING_OP_SPLICE={0x1e, 0x0, 0x0, @fd_index, 0x96}, 0x0)
sigaltstack(&(0x7f0000ffc000/0x4000)=nil, 0x0)