socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
pipe(&(0x7f0000000000))
stat(&(0x7f0000001cc0)='.\x00', &(0x7f0000001c00)={0x0, 0x0, 0x0, 0x0, <r1=>0x0})
setuid(r1)
sendmmsg$unix(r0, &(0x7f0000006280)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)=[@cred={{0x1c, 0x1, 0x2, {0xffffffffffffffff}}}], 0x20}}], 0x2, 0x0)