Core is from the "eos" client command, but the backtrace looks like a pure Xrootd client issue (NULL pointer in "hashtable"?): ``` :Core was generated by `eos'. :Program terminated with signal 11, Segmentation fault. :#0 0x00007fec958d18e3 in XrdOucHash<XrdCryptoX509Crl>::Find(char const*, long*) () from /usr/lib64/libXrdSecgsi-4.so :#0 0x00007fec958d18e3 in XrdOucHash<XrdCryptoX509Crl>::Find(char const*, long*) () from /usr/lib64/libXrdSecgsi-4.so :#1 0x00007fec958bd541 in XrdSecProtocolgsi::Delete() () from /usr/lib64/libXrdSecgsi-4.so :#2 0x00007feca092369f in XrdCl::XRootDTransport::GetCredentials(XrdSecBuffer*&, XrdCl::HandShakeData*, XrdCl::XRootDChannelInfo*) () from /usr/lib64/libXrdCl.so.2 :#3 0x00007feca09253a9 in XrdCl::XRootDTransport::DoAuthentication(XrdCl::HandShakeData*, XrdCl::XRootDChannelInfo*) () from /usr/lib64/libXrdCl.so.2 :#4 0x00007feca0925d16 in XrdCl::XRootDTransport::HandShakeMain(XrdCl::HandShakeData*, XrdCl::AnyObject&) () from /usr/lib64/libXrdCl.so.2 :#5 0x00007feca0925ee3 in XrdCl::XRootDTransport::HandShake(XrdCl::HandShakeData*, XrdCl::AnyObject&) () from /usr/lib64/libXrdCl.so.2 :#6 0x00007feca096cdd5 in XrdCl::AsyncSocketHandler::OnReadWhileHandshaking() () from /usr/lib64/libXrdCl.so.2 :#7 0x00007feca096d028 in XrdCl::AsyncSocketHandler::Event(unsigned char, XrdCl::Socket*) () from /usr/lib64/libXrdCl.so.2 :#8 0x00007feca0917913 in ?? () from /usr/lib64/libXrdCl.so.2 :#9 0x00007feca0442b18 in XrdSys::IOEvents::Poller::CbkXeq(XrdSys::IOEvents::Channel*, int, int, char const*) () from /usr/lib64/libXrdUtils.so.2 :#10 0x00007feca0442ce9 in XrdSys::IOEvents::PollE::Dispatch(XrdSys::IOEvents::Channel*, unsigned int) () from /usr/lib64/libXrdUtils.so.2 :#11 0x00007feca0442f73 in XrdSys::IOEvents::PollE::Begin(XrdSysSemaphore*, int&, char const**) () from /usr/lib64/libXrdUtils.so.2 :#12 0x00007feca044172d in XrdSys::IOEvents::BootStrap::Start(void*) () from /usr/lib64/libXrdUtils.so.2 :#13 0x00007feca043e9cf in XrdSysThread_Xeq () from /usr/lib64/libXrdUtils.so.2 :#14 0x00007fec9fe18aa1 in start_thread () from /lib64/libpthread.so.0 :#15 0x00007fec9e91bbcd in clone () from /lib64/libc.so.6 ``` Seen with 1:xrootd-client-4.8.1-1.el6.x86_64 We have a coredump (but this might contain credentials?), but no reproducer: ``` (gdb) f #0 0x00007fec958d18e3 in XrdOucHash<XrdCryptoX509Crl>::Find (this=0x7fec95adac68, KeyVal=0x7fec990f5960 "0x7fec9002a3a0", KeyTime=0x0) at /usr/src/debug/xrootd-4.8.1/src/XrdOuc/XrdOucHash.icc:173 173 if ((hip = hashtable[kent])) (gdb) print kent $1 = 39 (gdb) print hashtable $2 = (XrdOucHash_Item<XrdCryptoX509Crl> **) 0x0 (gdb) up #1 0x00007fec958bd541 in Del (this=0x7fec90007cc0) at /usr/src/debug/xrootd-4.8.1/src/XrdSecgsi/XrdSecProtocolgsi.hh:250 250 if (stack.Find(k)) stack.Del(k, Hash_count); (gdb) l 245 mtx.UnLock(); 246 } 247 void Del(T *t) { 248 char k[40]; snprintf(k, 40, "%p", t); 249 mtx.Lock(); 250 if (stack.Find(k)) stack.Del(k, Hash_count); 251 mtx.UnLock(); 252 } 253 private: 254 XrdSysMutex mtx; (gdb) info locals k = "0x7fec9002a3a0\000\000\340\177\000\220\354\177\000\000\017Z\017\231\000\000\000\000\020Z\017\231\354\177\000" (gdb) print stack $3 = {hashtable = 0x0, prevtablesize = 89, hashtablesize = 144, hashnum = 0, hashmax = 115, hashload = 80} (gdb) up #2 ~gsiHSVars (this=0x7fec90007cc0) at /usr/src/debug/xrootd-4.8.1/src/XrdSecgsi/XrdSecProtocolgsi.hh:517 517 XrdSecProtocolgsi::stackCRL.Del(Crl); (gdb) print Crl $4 = (XrdCryptoX509Crl *) 0x7fec9002a3a0 (gdb) print *Crl $5 = {_vptr.XrdCryptoX509Crl = 0x7fec9009bd30} (gdb) up #3 XrdSecProtocolgsi::Delete (this=0x7fec90007cc0) at /usr/src/debug/xrootd-4.8.1/src/XrdSecgsi/XrdSecProtocolgsi.cc:966 966 SafeDelete(hs); (gdb) up #4 0x00007feca092369f in XrdCl::XRootDTransport::GetCredentials (this=<value optimized out>, credentials=@0x7fec990f62d0, hsData=0x7fec900008c0, info=0x1bbd550) at /usr/src/debug/xrootd-4.8.1/src/XrdCl/XrdClXRootDTransport.cc:1887 1887 info->authProtocol->Delete(); ``` -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/xrootd/xrootd/issues/681 ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-DEV list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-DEV&A=1