Cody Sixteen added the comment:
c@debian:~/tools/afl/afl-2.50b/out_python/crashes$ ls -la
total 160
drwx-- 2 c c 4096 Aug 31 00:23 .
drwx-- 5 c c 4096 Sep 3 09:04 ..
-rw--- 1 c c 29352 Aug 28 16:14 id:00,sig:11,src:00,op:havoc,rep:32
-rw--- 1 c c 62917 Aug 28 17:08 id:01,sig:11,src:00,op:havoc,rep:128
-rw--- 1 c c 15945 Aug 29 20:01 id:02,sig:11,src:00,op:havoc,rep:128
-rw--- 1 c c 34202 Aug 31 00:23 id:03,sig:11,src:00,op:havoc,rep:128
-rw--- 1 c c 641 Aug 28 16:14 README.txt
c@debian:~/tools/afl/afl-2.50b/out_python/crashes$
c@debian:~/tools/afl/afl-2.50b/out_python/crashes$ /usr/bin/python2.7 --version
Python 2.7.9
(...)
Python 2.7.9 (default, Jun 29 2016, 13:08:31)
[GCC 4.9.2] on linux2
(...)
c@debian:~/tools/afl/afl-2.50b/out_python/crashes$ gdb -q /usr/bin/python2.7
Reading symbols from /usr/bin/python2.7...(no debugging symbols found)...done.
(gdb) r id:01,sig:11,src:00,op:havoc,rep:128
Starting program: /usr/bin/python2.7
id:01,sig:11,src:00,op:havoc,rep:128
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Program received signal SIGSEGV, Segmentation fault.
0x004c7334 in ?? ()
(gdb) bt full
#0 0x004c7334 in ?? ()
No symbol table info available.
#1 0x004c7178 in ?? ()
No symbol table info available.
#2 0x004c3e0a in ?? ()
No symbol table info available.
#3 0x004c34de in PyParser_ASTFromFile ()
No symbol table info available.
#4 0x004f6bfc in PyRun_FileExFlags ()
No symbol table info available.
#5 0x004f5d37 in PyRun_SimpleFileExFlags ()
No symbol table info available.
#6 0x004981cd in Py_Main ()
No symbol table info available.
#7 0x76f12b45 in __libc_start_main (main=0x497c60 , argc=2,
argv=0x7fffe6a8, init=, fini=,
rtld_fini=,
stack_end=0x7fffe698) at libc-start.c:287
result =
unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 5508890025450822687,
4815714, 140737488348832, 0, 0, -5508890024716772321, -5508905476226917345},
mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x603cd0
<__libc_csu_init>, 0x7fffe6a8}, data = {prev = 0x0, cleanup = 0x0,
canceltype = 6307024}}}
not_first_call =
#8 0x00497b8b in _start ()
No symbol table info available.
(gdb)
(gdb) i r
rax0x0 0
rbx0xa17b40 10582848
rcx0x0 0
rdx0x8000 140737488355328
rsi0xa87001 11038721
rdi0xa17b40 10582848
rbp0xa87000 0xa87000
rsp0x7fffe160 0x7fffe160
r8 0x1c08000126241527054729216
r9 0x0 0
r100x7fffe26d 140737488347757
r110x1 1
r120x1 1
r130xa17b68 10582888
r140xa17ee0 10583776
r150x0 0
rip0x4c7334 0x4c7334
eflags 0x10212 [ AF IF RF ]
cs 0x33 51
ss 0x2b 43
ds 0x0 0
es 0x0 0
fs 0x0 0
gs 0x0 0
(gdb)
--
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