id summary reporter owner description type status priority milestone version resolution keywords cc launchpad_bug 34 Segmentation Fault in function X86_SHA256_HashBlocks francois warner "Sometimes I get a segfault when I launch Tahoe's 'make test' on my Ubuntu karmic 64 bit workstation. Thanks to 'ulimit -c unlimited' a coredump was generated. Here's what gdb has to tell. {{{ Core was generated by `python setup.py test -s allmydata'. Program terminated with signal 11, Segmentation fault. #0 0x00002b1fdf884efc in X86_SHA256_HashBlocks (this=, input=0x30456e4, length=47412143980619) at cryptopp/sha.cpp:435 435 cryptopp/sha.cpp: No such file or directory. in cryptopp/sha.cpp }}} Here is the interesting part of the stacktrace: {{{ #0 0x00002b1fdf884efc in X86_SHA256_HashBlocks (this=, input=0x30456e4, length=47412143980619) at cryptopp/sha.cpp:435 #1 CryptoPP::SHA256::HashMultipleBlocks (this=, input=0x30456e4, length=47412143980619) at cryptopp/sha.cpp:453 #2 0x00002b1fdf88311e in CryptoPP::IteratedHashBase::Update(unsigned char const*, unsigned long) () from /usr/local/lib/python2.6/dist-packages/pycryptopp-0.5.15-py2.6-linux-x86_64.egg/pycryptopp/_pycryptopp.so #3 0x00002b1fdf826004 in CryptoPP::PK_MessageAccumulatorBase::Update (this=0x3cc6940, input=0x30456e4 """", length=47412143980619) at cryptopp/pubkey.h:292 #4 0x00002b1fdf872419 in CryptoPP::PK_Verifier::VerifyMessage (this=0x67eb720, message=0x30456e4 """", messageLen=47412143980619, signature=0x38e1c24 ""\001s\001\205"", signatureLength=66) at cryptopp/cryptlib.cpp:781 #5 0x00002b1fdf8dcef9 in VerifyingKey_verify (self=0x5bab600, args=, kwdict=) at pycryptopp/publickey/rsamodule.cpp:77 #6 0x00000000004a290d in PyEval_EvalFrameEx () #7 0x00000000004a2e47 in PyEval_EvalFrameEx () #8 0x00000000004a40e0 in PyEval_EvalCodeEx () }}} As you can see, this is pycryptopp-0.5.15 running, I will try to upgrade to see if the same bug also appears with 0.5.17." defect closed major fixed segfault