r0 = syz_io_uring_setup(0x4d4f, &(0x7f00000002c0), &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000200)=0x0, &(0x7f0000000140)=0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000680)={0xffffffffffffffff, 0xffffffffffffffff}) syz_io_uring_submit(r1, r2, &(0x7f0000000000)=@IORING_OP_RECV=@pass_buffer={0x1b, 0x0, 0x0, r4, 0x0, &(0x7f0000000440)="dc", 0x1}, 0x0) r5 = mmap$IORING_OFF_SQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x100000e, 0x13, r0, 0x0) syz_io_uring_submit(r5, r2, &(0x7f0000000100)=@IORING_OP_ACCEPT={0xd, 0x3, 0x0, 0xffffffffffffffff, 0x0}, 0x8001) writev(r3, &(0x7f0000000040)=[{&(0x7f0000000340)="e0", 0x1}], 0x1) io_uring_enter(r0, 0x58ab, 0x0, 0x0, 0x0, 0x0)