Hi Jan,

Ah, what release is this? There were some fixes in SI, Michal would know
which release they made it to.

Andy

On Thu, 31 May 2018, Jan Iven wrote:

> (backtrace is slightly different from #681, so posting here)
> Saw another one of these (aaain from inside EOS code, but the backtrace is in the xrootd library):
> ```
> :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 0x00007fd7c4fec704 in XrdOucHash<XrdSutCacheEntry>::Find(char const*, long*) () from /usr/lib64/libXrdSecgsi-4.so
> :#0 0x00007fd7c4fec704 in XrdOucHash<XrdSutCacheEntry>::Find(char const*, long*) () from /usr/lib64/libXrdSecgsi-4.so
> :#1 0x00007fd7c4fdf3cc in XrdSecProtocolgsi::GetCA(char const*, XrdCryptoFactory*, gsiHSVars*) () from /usr/lib64/libXrdSecgsi-4.so
> :#2 0x00007fd7c4fe032b in XrdSecProtocolgsi::ParseCAlist(XrdOucString) () from /usr/lib64/libXrdSecgsi-4.so
> :#3 0x00007fd7c4fe7ffa in XrdSecProtocolgsi::ClientDoInit(XrdSutBuffer*, XrdSutBuffer**, XrdOucString&) () from /usr/lib64/libXrdSecgsi-4.so
> :#4 0x00007fd7c4fe855d in XrdSecProtocolgsi::ParseClientInput(XrdSutBuffer*, XrdSutBuffer**, XrdOucString&) () from /usr/lib64/libXrdSecgsi-4.so
> :#5 0x00007fd7c4fe892e in XrdSecProtocolgsi::getCredentials(XrdSecBuffer*, XrdOucErrInfo*) () from /usr/lib64/libXrdSecgsi-4.so
> :#6 0x00007fd7da988c31 in XrdCl::XRootDTransport::GetCredentials(XrdSecBuffer*&, XrdCl::HandShakeData*, XrdCl::XRootDChannelInfo*) () from /usr/lib64/libXrdCl.so.2
> :#7 0x00007fd7da9897e9 in XrdCl::XRootDTransport::DoAuthentication(XrdCl::HandShakeData*, XrdCl::XRootDChannelInfo*) () from /usr/lib64/libXrdCl.so.2
> :#8 0x00007fd7da98a176 in XrdCl::XRootDTransport::HandShakeMain(XrdCl::HandShakeData*, XrdCl::AnyObject&) () from /usr/lib64/libXrdCl.so.2
> :#9 0x00007fd7da98a343 in XrdCl::XRootDTransport::HandShake(XrdCl::HandShakeData*, XrdCl::AnyObject&) () from /usr/lib64/libXrdCl.so.2
> :#10 0x00007fd7da9d129b in XrdCl::AsyncSocketHandler::OnReadWhileHandshaking() () from /usr/lib64/libXrdCl.so.2
> :#11 0x00007fd7da9d1618 in XrdCl::AsyncSocketHandler::Event(unsigned char, XrdCl::Socket*) () from /usr/lib64/libXrdCl.so.2
> :#12 0x00007fd7da97c143 in ?? () from /usr/lib64/libXrdCl.so.2
> :#13 0x00007fd7da6cabb8 in XrdSys::IOEvents::Poller::CbkXeq(XrdSys::IOEvents::Channel*, int, int, char const*) () from /usr/lib64/libXrdUtils.so.2
> :#14 0x00007fd7da6cad89 in XrdSys::IOEvents::PollE::Dispatch(XrdSys::IOEvents::Channel*, unsigned int) () from /usr/lib64/libXrdUtils.so.2
> :#15 0x00007fd7da6cb013 in XrdSys::IOEvents::PollE::Begin(XrdSysSemaphore*, int&, char const**) () from /usr/lib64/libXrdUtils.so.2
> :#16 0x00007fd7da6c97cd in XrdSys::IOEvents::BootStrap::Start(void*) () from /usr/lib64/libXrdUtils.so.2
> :#17 0x00007fd7da6c6a6f in XrdSysThread_Xeq () from /usr/lib64/libXrdUtils.so.2
> :#18 0x00007fd7da485aa1 in start_thread () from /lib64/libpthread.so.0
> :#19 0x00007fd7d7e00bcd in clone () from /lib64/libc.so.6
> ```
> Version:
> ```
> ~$ rpm -qf /usr/lib64/libXrdSecgsi-4.so /usr/bin/eosd
> 1:xrootd-libs-4.8.3-1.el6.x86_64
> (none):eos-fuse-core-4.2.22-1.el6.x86_64
> ~$ hostname
> lxplus040.cern.ch
> ```
> GDB (machine does not have full debuginfo, but looks like a NULL pointer being dereferenced?):
> ```
> (gdb) f 0
> #0 0x00007fd7c4fec704 in XrdOucHash<XrdSutCacheEntry>::Find(char const*, long*) () from /usr/lib64/libXrdSecgsi-4.so
> (gdb) x/i $rip
> => 0x7fd7c4fec704 <_ZN10XrdOucHashI16XrdSutCacheEntryE4FindEPKcPl+52>: mov (%rax,%rdx,8),%r13
> (gdb) print $rax
> $1 = 0
> (gdb) print $rdx
> $2 = 126
> (gdb) print $r13
> $3 = 140564704194912
> (gdb) x/x $r13
> 0x7fd7c542f160: 0x00000001
> ```
>
> --
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> Reply to this email directly or view it on GitHub:
> https://github.com/xrootd/xrootd/issues/661#issuecomment-393438686

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There were some fixes in SI, Michal would know \nwhich release they made it to.\n\nAndy\n\nOn Thu, 31 May 2018, Jan Iven wrote:\n\n\u003e (backtrace is slightly different from #681, so posting here)\n\u003e Saw another one of these (aaain from inside EOS code, but the backtrace is in the xrootd library):\n\u003e ```\n\u003e :Core was generated by `/usr//bin/eosd /eos/atlas -obig_writes,max_readahead=131072,max_write=4194304,f'.\n\u003e :Program terminated with signal 11, Segmentation fault.\n\u003e :#0 0x00007fd7c4fec704 in XrdOucHash\u003cXrdSutCacheEntry\u003e::Find(char const*, long*) () from /usr/lib64/libXrdSecgsi-4.so\n\u003e :#0 0x00007fd7c4fec704 in XrdOucHash\u003cXrdSutCacheEntry\u003e::Find(char const*, long*) () from /usr/lib64/libXrdSecgsi-4.so\n\u003e :#1 0x00007fd7c4fdf3cc in XrdSecProtocolgsi::GetCA(char const*, XrdCryptoFactory*, gsiHSVars*) () from /usr/lib64/libXrdSecgsi-4.so\n\u003e :#2 0x00007fd7c4fe032b in XrdSecProtocolgsi::ParseCAlist(XrdOucString) () from /usr/lib64/libXrdSecgsi-4.so\n\u003e :#3 0x00007fd7c4fe7ffa in XrdSecProtocolgsi::ClientDoInit(XrdSutBuffer*, XrdSutBuffer**, XrdOucString\u0026) () from /usr/lib64/libXrdSecgsi-4.so\n\u003e :#4 0x00007fd7c4fe855d in XrdSecProtocolgsi::ParseClientInput(XrdSutBuffer*, XrdSutBuffer**, XrdOucString\u0026) () from /usr/lib64/libXrdSecgsi-4.so\n\u003e :#5 0x00007fd7c4fe892e in XrdSecProtocolgsi::getCredentials(XrdSecBuffer*, XrdOucErrInfo*) () from /usr/lib64/libXrdSecgsi-4.so\n\u003e :#6 0x00007fd7da988c31 in XrdCl::XRootDTransport::GetCredentials(XrdSecBuffer*\u0026, XrdCl::HandShakeData*, XrdCl::XRootDChannelInfo*) () from /usr/lib64/libXrdCl.so.2\n\u003e :#7 0x00007fd7da9897e9 in XrdCl::XRootDTransport::DoAuthentication(XrdCl::HandShakeData*, XrdCl::XRootDChannelInfo*) () from /usr/lib64/libXrdCl.so.2\n\u003e :#8 0x00007fd7da98a176 in XrdCl::XRootDTransport::HandShakeMain(XrdCl::HandShakeData*, XrdCl::AnyObject\u0026) () from /usr/lib64/libXrdCl.so.2\n\u003e :#9 0x00007fd7da98a343 in XrdCl::XRootDTransport::HandShake(XrdCl::HandShakeData*, XrdCl::AnyObject\u0026) () from /usr/lib64/libXrdCl.so.2\n\u003e :#10 0x00007fd7da9d129b in XrdCl::AsyncSocketHandler::OnReadWhileHandshaking() () from /usr/lib64/libXrdCl.so.2\n\u003e :#11 0x00007fd7da9d1618 in XrdCl::AsyncSocketHandler::Event(unsigned char, XrdCl::Socket*) () from /usr/lib64/libXrdCl.so.2\n\u003e :#12 0x00007fd7da97c143 in ?? () from /usr/lib64/libXrdCl.so.2\n\u003e :#13 0x00007fd7da6cabb8 in XrdSys::IOEvents::Poller::CbkXeq(XrdSys::IOEvents::Channel*, int, int, char const*) () from /usr/lib64/libXrdUtils.so.2\n\u003e :#14 0x00007fd7da6cad89 in XrdSys::IOEvents::PollE::Dispatch(XrdSys::IOEvents::Channel*, unsigned int) () from /usr/lib64/libXrdUtils.so.2\n\u003e :#15 0x00007fd7da6cb013 in XrdSys::IOEvents::PollE::Begin(XrdSysSemaphore*, int\u0026, char const**) () from /usr/lib64/libXrdUtils.so.2\n\u003e :#16 0x00007fd7da6c97cd in XrdSys::IOEvents::BootStrap::Start(void*) () from /usr/lib64/libXrdUtils.so.2\n\u003e :#17 0x00007fd7da6c6a6f in XrdSysThread_Xeq () from /usr/lib64/libXrdUtils.so.2\n\u003e :#18 0x00007fd7da485aa1 in start_thread () from /lib64/libpthread.so.0\n\u003e :#19 0x00007fd7d7e00bcd in clone () from /lib64/libc.so.6\n\u003e ```\n\u003e Version:\n\u003e ```\n\u003e ~$ rpm -qf /usr/lib64/libXrdSecgsi-4.so /usr/bin/eosd\n\u003e 1:xrootd-libs-4.8.3-1.el6.x86_64\n\u003e (none):eos-fuse-core-4.2.22-1.el6.x86_64\n\u003e ~$ hostname\n\u003e lxplus040.cern.ch\n\u003e ```\n\u003e GDB (machine does not have full debuginfo, but looks like a NULL pointer being dereferenced?):\n\u003e ```\n\u003e (gdb) f 0\n\u003e #0 0x00007fd7c4fec704 in XrdOucHash\u003cXrdSutCacheEntry\u003e::Find(char const*, long*) () from /usr/lib64/libXrdSecgsi-4.so\n\u003e (gdb) x/i $rip\n\u003e =\u003e 0x7fd7c4fec704 \u003c_ZN10XrdOucHashI16XrdSutCacheEntryE4FindEPKcPl+52\u003e:\tmov (%rax,%rdx,8),%r13\n\u003e (gdb) print $rax\n\u003e $1 = 0\n\u003e (gdb) print $rdx\n\u003e $2 = 126\n\u003e (gdb) print $r13\n\u003e $3 = 140564704194912\n\u003e (gdb) x/x $r13\n\u003e 0x7fd7c542f160:\t0x00000001\n\u003e ```\n\u003e\n\u003e -- \n\u003e You are receiving this because you are subscribed to this thread.\n\u003e Reply to this email directly or view it on GitHub:\n\u003e https://github.com/xrootd/xrootd/issues/661#issuecomment-393438686\n"}],"action":{"name":"View Issue","url":"https://github.com/xrootd/xrootd/issues/661#issuecomment-393525068"}}} { "@type": "MessageCard", "@context": "http://schema.org/extensions", "hideOriginalBody": "false", "originator": "37567f93-e2a7-4e2a-ad37-a9160fc62647", "title": "Re: [xrootd/xrootd] segfault in XrdOucHash\u003cXrdCryptoX509Chain\u003e::Find (#661)", "sections": [ { "text": "", "activityTitle": "**Andrew Hanushevsky**", "activityImage": "https://assets-cdn.github.com/images/email/message_cards/avatar.png", "activitySubtitle": "@abh3", "facts": [ ] } ], "potentialAction": [ { "name": "Add a comment", "@type": "ActionCard", "inputs": [ { "isMultiLine": true, "@type": "TextInput", "id": "IssueComment", "isRequired": false } ], "actions": [ { "name": "Comment", "@type": "HttpPOST", "target": "https://api.github.com", "body": "{\n\"commandName\": \"IssueComment\",\n\"repositoryFullName\": \"xrootd/xrootd\",\n\"issueId\": 661,\n\"IssueComment\": \"{{IssueComment.value}}\"\n}" } ] }, { "name": "Close issue", "@type": "HttpPOST", "target": "https://api.github.com", "body": "{\n\"commandName\": \"IssueClose\",\n\"repositoryFullName\": \"xrootd/xrootd\",\n\"issueId\": 661\n}" }, { "targets": [ { "os": "default", "uri": "https://github.com/xrootd/xrootd/issues/661#issuecomment-393525068" } ], "@type": "OpenUri", "name": "View on GitHub" }, { "name": "Unsubscribe", "@type": "HttpPOST", "target": "https://api.github.com", "body": "{\n\"commandName\": \"MuteNotification\",\n\"threadId\": 308717323\n}" } ], "themeColor": "26292E" }

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