r0 = syz_io_uring_setup(0x68d2, &(0x7f00000002c0)={0x0, 0x0, 0x2}, &(0x7f0000ffd000/0x2000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000000040), &(0x7f0000000140)=<r1=>0x0)
r2 = mmap$IORING_OFF_SQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x100000e, 0x13, r0, 0x0)
syz_io_uring_submit(r2, r1, &(0x7f0000000100)=@IORING_OP_POLL_ADD={0x6, 0x2, 0x0, @fd_index}, 0x8001)
io_uring_enter(r0, 0x0, 0x8, 0x3, 0x0, 0x0)