getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000080)={<r0=>0x0}, &(0x7f00000015c0)=0xc)
syz_open_procfs(r0, &(0x7f0000001580)='net/ip6_mr_vif\x00')
r1 = fork()
ptrace(0x10, r1)
ptrace$getsig(0x4202, r1, 0x7, &(0x7f0000001380))