r0 = signalfd(0xffffffffffffffff, &(0x7f0000000000), 0x8)
readv(r0, &(0x7f0000000700)=[{&(0x7f00000003c0)=""/128, 0x80}], 0x1)
read(0xffffffffffffffff, 0x0, 0x2300)
syz_io_uring_submit(0x0, 0x0, 0x0, 0x0)