r0 = syz_io_uring_setup(0x1c08, &(0x7f00000002c0), &(0x7f00000a0000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000000200)=0x0, &(0x7f0000000180)=0x0) syz_io_uring_submit(r1, r2, &(0x7f0000000000)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x0, @fd_index=0x9, 0x0, 0x0}, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000440)) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000680)) signalfd(0xffffffffffffffff, &(0x7f0000000080), 0x8) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6}]}) dup2(0xffffffffffffffff, 0xffffffffffffffff) io_uring_enter(r0, 0x58ab, 0x0, 0x0, 0x0, 0x0)