r0 = getpgid(0xffffffffffffffff)
r1 = fork()
ptrace(0x10, r1)
rt_tgsigqueueinfo(r0, r1, 0x10, &(0x7f0000000080)={0x15, 0x31b, 0xff})
r2 = creat(&(0x7f00000001c0)='./file0\x00', 0x0)
dup2(r2, 0xffffffffffffffff)
ptrace$peeksig(0x4209, r1, &(0x7f0000000200)={0x5, 0x1, 0x4}, &(0x7f0000000500)=[{}, {}, {}, {}])