eax            0x74747265	1953788517
ecx            0x0	0
edx            0xffee0e40	-1176000
ebx            0x0	0
esp            0xffee0d48	0xffee0d48
ebp            0xffee0d48	0xffee0d48
esi            0xffee2e6c	-1167764
edi            0x1	1
eip            0x804ff74	0x804ff74 <pthread_cancel@plt+21520>
eflags         0x10206	[ PF IF RF ]
cs             0x23	35
ss             0x2b	43
ds             0x2b	43
es             0x2b	43
fs             0x0	0
gs             0x63	99