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opensciencegrid / xrootd-multiuser

A filesystem plugin to allow Xrootd write as a different Unix user
Apache License 2.0
2 stars 12 forks source link

Fix assert in el8 due to vector reserve #29

Closed jthiltges closed 2 years ago

jthiltges commented 2 years ago

We're seeing an assert triggered on src/XrdChecksum.cc:106

I'm guessing it's asserting due to read_buffer being zero-length.

Backtrace ``` Core was generated by `/usr/bin/xrootd'. Program terminated with signal SIGABRT, Aborted. #0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50 50 return ret; [Current thread is 1 (Thread 0x7f037d9e0700 (LWP 957291))] (gdb) bt #0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50 #1 0x00007f039df86db5 in __GI_abort () at abort.c:79 #2 0x00007f038f582a3a in std::__replacement_assert (__condition=0x7f038f585af8 "__builtin_expect(__n < this->size(), true)", __function=, __line=932, __file=0x7f038f585b28 "/usr/include/c++/8/bits/stl_vector.h") at /usr/include/c++/8/x86_64-redhat-linux/bits/c++config.h:2391 #3 std::vector >::operator[] (__n=0, this=) at /usr/include/c++/8/bits/stl_vector.h:932 #4 ChecksumManager::Calc (this=0xfaecc0, lfn=0x12c3c10 "/store/mc/RunIISummer19UL17MiniAOD/BcToJPsiTauNu_TuneCP5_13TeV-bcvegpy2-pythia8-evtgen/MINIAODSIM/106X_mc2017_realistic_v6-v2/00000/B1FC1F74-AF1D-0241-9598-6D9DEE6186D4.root", Cks=..., doSet=) at /usr/src/debug/xrootd-multiuser-2.0.3-1.osg35up.el8.x86_64/src/XrdChecksum.cc:106 #5 0x00007f038f5767fc in MultiuserChecksum::Calc (this=0xfab9f0, Xfn=0x12c3c10 "/store/mc/RunIISummer19UL17MiniAOD/BcToJPsiTauNu_TuneCP5_13TeV-bcvegpy2-pythia8-evtgen/MINIAODSIM/106X_mc2017_realistic_v6-v2/00000/B1FC1F74-AF1D-0241-9598-6D9DEE6186D4.root", Cks=..., doSet=1) at /usr/src/debug/xrootd-multiuser-2.0.3-1.osg35up.el8.x86_64/src/multiuser.cpp:196 #6 0x00007f039f618ef7 in XrdOfs::chksum (this=0x7f039f899ba0 , Func=XrdSfsFileSystem::csCalc, csName=0x123eec0 "adler32", Path=0x12c3c10 "/store/mc/RunIISummer19UL17MiniAOD/BcToJPsiTauNu_TuneCP5_13TeV-bcvegpy2-pythia8-evtgen/MINIAODSIM/106X_mc2017_realistic_v6-v2/00000/B1FC1F74-AF1D-0241-9598-6D9DEE6186D4.root", einfo=..., client=0x0, opaque=0x0) at /usr/src/debug/xrootd-5.4.1-1.osg35up.el8.x86_64/xrootd/src/XrdOfs/XrdOfs.cc:1820 #7 0x00007f039f5fcfc1 in XrdXrootdProtocol::CheckSum (Stream=0x10e9b50, argv=0x7f037d9dfb40, argc=) at /usr/src/debug/xrootd-5.4.1-1.osg35up.el8.x86_64/xrootd/src/XrdXrootd/XrdXrootdProtocol.cc:1023 #8 0x00007f039f305c77 in XrdOucProg::Run (this=0xed0420, Sp=0x10e9b50, argV=, argC=4, envV=) at /usr/src/debug/xrootd-5.4.1-1.osg35up.el8.x86_64/xrootd/src/XrdOuc/XrdOucProg.cc:130 #9 0x00007f039f305f5e in XrdOucProg::Run (this=, Sp=Sp@entry=0x10e9b50, arg1=, arg2=, arg3=, arg4=) at /usr/src/debug/xrootd-5.4.1-1.osg35up.el8.x86_64/xrootd/src/XrdOuc/XrdOucProg.cc:186 #10 0x00007f039f5f4064 in XrdXrootdJob2Do::DoIt (this=0x10e9aa0) at /usr/src/debug/xrootd-5.4.1-1.osg35up.el8.x86_64/xrootd/src/XrdXrootd/XrdXrootdJob.cc:179 #11 0x00007f039f3491a7 in XrdScheduler::Run (this=0x615740 ) at /usr/src/debug/xrootd-5.4.1-1.osg35up.el8.x86_64/xrootd/src/Xrd/XrdScheduler.cc:406 #12 0x00007f039f3492c9 in XrdStartWorking (carg=) at /usr/src/debug/xrootd-5.4.1-1.osg35up.el8.x86_64/xrootd/src/Xrd/XrdScheduler.cc:89 #13 0x00007f039f2d9de7 in XrdSysThread_Xeq (myargs=0x7f03802e4d20) at /usr/src/debug/xrootd-5.4.1-1.osg35up.el8.x86_64/xrootd/src/XrdSys/XrdSysPthread.cc:86 #14 0x00007f039e33217a in start_thread (arg=) at pthread_create.c:479 #15 0x00007f039e061dc3 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 ```