Have seen a spurious crash in what appears to be client-side GSI authentication:

backtrace:
:Core was generated by `/usr//bin/eosd /eos/atlas -obig_writes,max_readahead=131072,max_write=4194304,f'.
:Program terminated with signal 11, Segmentation fault.
:#0  0x00007f59c63ed4b3 in XrdOucHash<XrdCryptoX509Chain>::Find(char const*, long*) () from /usr/lib64/libXrdSecgsi-4.so
:#0  0x00007f59c63ed4b3 in XrdOucHash<XrdCryptoX509Chain>::Find(char const*, long*) () from /usr/lib64/libXrdSecgsi-4.so
:#1  0x00007f59c63e03ca in XrdSecProtocolgsi::GetCA(char const*, XrdCryptoFactory*, gsiHSVars*) () from /usr/lib64/libXrdSecgsi-4.so
:#2  0x00007f59c63e0cab in XrdSecProtocolgsi::ParseCAlist(XrdOucString) () from /usr/lib64/libXrdSecgsi-4.so
:#3  0x00007f59c63e8cba in XrdSecProtocolgsi::ClientDoInit(XrdSutBuffer*, XrdSutBuffer**, XrdOucString&) () from /usr/lib64/libXrdSecgsi-4.so
:#4  0x00007f59c63e921d in XrdSecProtocolgsi::ParseClientInput(XrdSutBuffer*, XrdSutBuffer**, XrdOucString&) () from /usr/lib64/libXrdSecgsi-4.so
:#5  0x00007f59c63e95ee in XrdSecProtocolgsi::getCredentials(XrdSecBuffer*, XrdOucErrInfo*) () from /usr/lib64/libXrdSecgsi-4.so
:#6  0x00007f59d96fc74c in XrdCl::XRootDTransport::GetCredentials(XrdSecBuffer*&, XrdCl::HandShakeData*, XrdCl::XRootDChannelInfo*) () from /usr/lib64/libXrdCl.so.2
:#7  0x00007f59d96fcd3a in XrdCl::XRootDTransport::DoAuthentication(XrdCl::HandShakeData*, XrdCl::XRootDChannelInfo*) () from /usr/lib64/libXrdCl.so.2
:#8  0x00007f59d96fdbc6 in XrdCl::XRootDTransport::HandShakeMain(XrdCl::HandShakeData*, XrdCl::AnyObject&) () from /usr/lib64/libXrdCl.so.2
:#9  0x00007f59d96fdd93 in XrdCl::XRootDTransport::HandShake(XrdCl::HandShakeData*, XrdCl::AnyObject&) () from /usr/lib64/libXrdCl.so.2
:#10 0x00007f59d9745065 in XrdCl::AsyncSocketHandler::OnReadWhileHandshaking() () from /usr/lib64/libXrdCl.so.2
:#11 0x00007f59d97452b8 in XrdCl::AsyncSocketHandler::Event(unsigned char, XrdCl::Socket*) () from /usr/lib64/libXrdCl.so.2
:#12 0x00007f59d96efbd3 in ?? () from /usr/lib64/libXrdCl.so.2
:#13 0x00007f59d943f338 in XrdSys::IOEvents::Poller::CbkXeq(XrdSys::IOEvents::Channel*, int, int, char const*) () from /usr/lib64/libXrdUtils.so.2
:#14 0x00007f59d943f509 in XrdSys::IOEvents::PollE::Dispatch(XrdSys::IOEvents::Channel*, unsigned int) () from /usr/lib64/libXrdUtils.so.2
:#15 0x00007f59d943f793 in XrdSys::IOEvents::PollE::Begin(XrdSysSemaphore*, int&, char const**) () from /usr/lib64/libXrdUtils.so.2
:#16 0x00007f59d943df8d in XrdSys::IOEvents::BootStrap::Start(void*) () from /usr/lib64/libXrdUtils.so.2
:#17 0x00007f59d943b49f in XrdSysThread_Xeq () from /usr/lib64/libXrdUtils.so.2
:#18 0x00007f59d91faaa1 in start_thread () from /lib64/libpthread.so.0
:#19 0x00007f59d7211bcd in clone () from /lib64/libc.so.6

Backtrace appears to be "pure" xrootd-level?

~$ rpm -q xrootd-libs eos-fuse-core
1:xrootd-libs-4.8.1-1.el6.x86_64
1:xrootd-libs-4.8.1-1.el6.i686
(none):eos-fuse-core-4.2.4-2.el6.x86_64

We have a coredump (which might contain sensitive data, not uploading here).

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