getpgrp(0x0)
fork()
r0 = fork()
ptrace(0x10, r0)
ptrace$peeksig(0x4209, r0, &(0x7f0000000000)={0xfffffffffffffffe, 0x0, 0x7}, &(0x7f00000004c0)=[{}, {}, {}, {}, {}, {}, {}])
ptrace(0x8, r0)
fork()