r0 = mq_open(&(0x7f00000000c0)='\',\x00', 0x0, 0x0, 0x0) ppoll(&(0x7f0000000280)=[{r0}], 0x1, &(0x7f00000002c0), 0x0, 0x0) syz_open_dev$vcsu(&(0x7f0000000800), 0x2, 0x2000) r1 = mq_open(&(0x7f00000000c0)='\',\x00', 0x0, 0x0, 0x0) ppoll(&(0x7f0000000280)=[{r1}], 0x1, &(0x7f00000002c0), 0x0, 0x0) r2 = socket$nl_xfrm(0x10, 0x3, 0x6) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f00000085c0)={0x0, 0x0}, &(0x7f0000008600)=0xc) setresuid(r3, r3, 0x0) r4 = socket$nl_xfrm(0x10, 0x3, 0x6) getsockopt$sock_cred(r4, 0x1, 0x11, &(0x7f00000085c0)={0x0, 0x0, 0x0}, &(0x7f0000008600)=0xc) setresgid(0x0, r5, 0xee01) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000840)) r6 = fork() r7 = gettid() kcmp(r6, r7, 0x2, 0xffffffffffffffff, 0xffffffffffffffff)