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Date: Fri, 29 Jun 2012 12:03:43 -0400
From: Erik Winkler <ewinkler@...ls.com>
To: john-dev@...ts.openwall.com
Subject: Re: 1.7.9-jumbo-6
> In one of the email threads, I asked for a gdb backtrace. Any progress
> on that? Did you try latest OpenSSL? Thanks.
>
Here is the backtrace:
Reading symbols for shared libraries +++. done
Benchmarking: SSH RSA/DSA (one 2048-bit RSA and one 1024-bit DSA key) [32/32]...
Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0xffd9d730
0x93ef0a78 in tiny_malloc_from_free_list ()
(gdb) bt
#0 0x93ef0a78 in tiny_malloc_from_free_list ()
#1 0x93eea2ac in szone_malloc ()
#2 0x93eea190 in malloc_zone_malloc ()
#3 0x93eea0f0 in malloc ()
#4 0x000e5430 in CRYPTO_malloc ()
#5 0x0013b920 in lh_insert ()
#6 0x000e71ec in CRYPTO_set_ex_data_implementation ()
#7 0x000e775c in CRYPTO_free_ex_data ()
#8 0x0012a5e0 in RSA_new_method ()
#9 0x00129e50 in RSAPrivateKey_asn1_meth ()
#10 0x001570fc in ASN1_template_new ()
#11 0x00159b38 in ASN1_item_ex_d2i ()
#12 0x0015a4ec in ASN1_item_d2i ()
#13 0x00059e08 in PEM_do_header_safe ()
#14 0x000bf888 in fmt_self_test ()
#15 0x000b4b2c in benchmark_format ()
#16 0x000b5494 in benchmark_all ()
#17 0x000c35e4 in do_incremental_crack ()
#18 0x000c44e8 in main ()
Compiled with the latest OpenSSL (v1.0.1c), I get the following results with segfault:
Reading symbols for shared libraries +++. done
Benchmarking: SSH RSA/DSA (one 2048-bit RSA and one 1024-bit DSA key) [32/32]...
Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0xffd9d730
0x93ef0a78 in tiny_malloc_from_free_list ()
(gdb) bt
#0 0x93ef0a78 in tiny_malloc_from_free_list ()
#1 0x93eea2ac in szone_malloc ()
#2 0x93eea190 in malloc_zone_malloc ()
#3 0x93eea0f0 in malloc ()
#4 0x000e55e0 in CRYPTO_malloc ()
#5 0x001545b0 in lh_insert ()
#6 0x000e726c in CRYPTO_set_ex_data_implementation ()
#7 0x000e77dc in CRYPTO_free_ex_data ()
#8 0x00139220 in RSA_new_method ()
#9 0x0013b790 in RSA_X931_hash_id ()
#10 0x00175ac4 in ASN1_template_new ()
#11 0x0017850c in ASN1_item_ex_d2i ()
#12 0x00178ebc in ASN1_item_d2i ()
#13 0x00059f28 in PEM_do_header_safe ()
#14 0x000bf9a8 in fmt_self_test ()
#15 0x000b4c4c in benchmark_format ()
#16 0x000b55b4 in benchmark_all ()
#17 0x000c3704 in do_incremental_crack ()
#18 0x000c4608 in main ()
Erik
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