Program received signal SIGSYS, Bad system call.
[Switching to LWP 24547]
0xf4b88a7f in __pthread_getaffinity_new (th=th@entry=3949722432, cpusetsize=cpusetsize@entry=32, cpuset=cpuset@entry=0x5d7f0158) at ../nptl/sysdeps/unix/sysv/linux/pthread_getaffinity.c:35
35      ../nptl/sysdeps/unix/sysv/linux/pthread_getaffinity.c: No such file or directory.
(gdb) p ((void *)$sp) - 0x394 
$1 = (void *) 0xeb6be33c
(gdb) awatch *(void **) 0xeb6be33c
Hardware access (read/write) watchpoint 2: *(void **) 0xeb6be33c
(gdb) c
Continuing.
Hardware access (read/write) watchpoint 2: *(void **) 0xeb6be33c

Old value = (void *) 0x0
New value = (void *) 0xb20
0x00000b20 in ?? ()
(gdb) bt
#0  0x00000b20 in  ()
#1  0x0000001f in  ()
#2  0xffffffff in  ()
(gdb) info reg
eax            0x5f5d7200       1599959552
ecx            0xeb6be3cc       -345250868
edx            0x5d7f0158       1568604504
ebx            0x7      7
esp            0xeb6be340       0xeb6be340
ebp            0x20     0x20
esi            0x20     32
edi            0xf4b92000       -189194240
eip            0xb20    0xb20
eflags         0x246    [ PF ZF IF ]
cs             0x23     35
ss             0x2b     43
ds             0x2b     43
es             0x2b     43
fs             0x0      0
gs             0x63     99
(gdb) c
Continuing.

Program received signal SIGSEGV, Segmentation fault.
0x00000b20 in ?? ()