syz_io_uring_setup(0x1841, &(0x7f0000000340), &(0x7f00000a0000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000200)=<r0=>0x0, &(0x7f0000000140)=<r1=>0x0)
syz_io_uring_submit(r0, r1, &(0x7f0000000080)=@IORING_OP_SYNC_FILE_RANGE={0x8, 0x0, 0x0, @fd_index, 0xfffffffffffffffc}, 0x0)
sigaltstack(&(0x7f0000ffc000/0x3000)=nil, 0x0)