socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000140)={<r0=>0xffffffffffffffff, <r1=>0xffffffffffffffff})
r2 = dup3(r0, r1, 0x0)
r3 = dup(r2)
r4 = getpgrp(0xffffffffffffffff)
sendmmsg$unix(r3, &(0x7f0000000100)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)=[@cred={{0x1c, 0x1, 0x2, {r4}}}], 0x20}}], 0x1, 0xc040)