ioctl$TCSETAF(0xffffffffffffffff, 0x5408, &(0x7f0000000000)={0x1000, 0x6, 0x57, 0x4, 0x2, "a723e1fd34b2d25f"})
fork()
mlock2(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x0)
munlock(&(0x7f0000ffc000/0x4000)=nil, 0x4000)
madvise(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x15)