I managed to carry out the scenario I described in my previous comment (which was rather tricky) and indeed it resulted in double delete of the incoming response. The backtrace is quite similar, but not exactly the same:
#0 0x00007ffff7b5fa23 in ~XRootDMsgHandler (this=0x60c350, __in_chrg=) at /home/simonm/git/xrootd/src/./XrdCl/XrdClXRootDMsgHandler.hh:104
#1 XrdCl::XRootDMsgHandler::~XRootDMsgHandler (this=0x60c350, __in_chrg=) at /home/simonm/git/xrootd/src/./XrdCl/XrdClXRootDMsgHandler.hh:108
#2 0x00007ffff7b57e44 in XrdCl::XRootDMsgHandler::HandleResponse (this=this@entry=0x60c350) at /home/simonm/git/xrootd/src/XrdCl/XrdClXRootDMsgHandler.cc:1120
#3 0x00007ffff7b5c08b in XrdCl::XRootDMsgHandler::Process (this=0x60c350, msg=0x7fffe4000950) at /home/simonm/git/xrootd/src/XrdCl/XrdClXRootDMsgHandler.cc:335
#4 0x00007ffff7b3dd3e in XrdCl::Stream::HandleIncMsgJob::Run (this=0x7fffe4000bf0, arg=) at /home/simonm/git/xrootd/src/./XrdCl/XrdClStream.hh:289
#5 0x00007ffff7b9f70f in XrdCl::JobManager::RunJobs (this=0x606fa0) at /home/simonm/git/xrootd/src/XrdCl/XrdClJobManager.cc:148
#6 0x00007ffff7b9f969 in RunRunnerThread (arg=) at /home/simonm/git/xrootd/src/XrdCl/XrdClJobManager.cc:33
#7 0x00007ffff72abdc5 in start_thread () from /lib64/libpthread.so.0
#8 0x00007ffff652973d in clone () from /lib64/libc.so.6
@bbockelm : any news on your side?
Michal
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