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https://issues.apache.org/jira/browse/ZOOKEEPER-458?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mahadev konar updated ZOOKEEPER-458:
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Status: Open (was: Patch Available)
I spent some time debugging this. This is the stack trace from the core dump:
{quote}
#0 0x00002b101d67f6e3 in ?? () from /lib/libc.so.6
#1 0x00002b101d680e98 in ?? () from /lib/libc.so.6
#2 0x00002b101d681276 in free () from /lib/libc.so.6
#3 0x0000000000407b4e in __wrap_free (p=0xc03d80) at
/homes/mahadev/zookeeper-trunk/src/c/tests/LibCMocks.cc:197
#4 0x0000000000441197 in free_buffer (b=0xbff8d0) at
/homes/mahadev/zookeeper-trunk/src/c/src/zookeeper.c:763
#5 0x0000000000441aa5 in destroy_completion_entry (c=0xc02dd0) at
/homes/mahadev/zookeeper-trunk/src/c/src/zookeeper.c:2048
#6 0x0000000000441dc2 in process_completions (zh=0xc02920) at
/homes/mahadev/zookeeper-trunk/src/c/src/zookeeper.c:1727
#7 0x00000000004457a8 in zookeeper_process (zh=0xc02920, events=-1912149552)
at /homes/mahadev/zookeeper-trunk/src/c/src/zookeeper.c:1974
#8 0x00000000004316dd in yield (zh=0xc02920, seconds=1) at
/homes/mahadev/zookeeper-trunk/src/c/tests/TestClient.cc:107
#9 0x0000000000433406 in watchCtx::waitForConnected (this=0x7fff8e06f100,
zh=0xc02920) at /homes/mahadev/zookeeper-trunk/src/c/tests/TestClient.cc:165
#10 0x000000000043448d in Zookeeper_simpleSystem::testConnectIndex1
(this=0xbfdaa0) at /homes/mahadev/zookeeper-trunk/src/c/tests/TestClient.cc:846
#11 0x0000000000431a02 in CppUnit::TestCaller<Zookeeper_simpleSystem>::runTest
(this=0xbfdd00) at /usr/include/cppunit/TestCaller.h:166
#12 0x00000000004566fa in CppUnit::TestCaseMethodFunctor::operator() ()
#13 0x00000000004618e4 in CppUnit::DefaultProtector::protect ()
#14 0x000000000046315f in CppUnit::ProtectorChain::protect ()
#15 0x000000000045e1b2 in CppUnit::TestResult::protect ()
#16 0x00000000004564ba in CppUnit::TestCase::run ()
#17 0x0000000000463d03 in CppUnit::TestComposite::doRunChildTests ()
#18 0x0000000000463c26 in CppUnit::TestComposite::run ()
#19 0x0000000000463d03 in CppUnit::TestComposite::doRunChildTests ()
#20 0x0000000000463c26 in CppUnit::TestComposite::run ()
#21 0x000000000045da0a in CppUnit::TestResult::runTest ()
#22 0x000000000045ff62 in CppUnit::TestRunner::run ()
{quote}
I tried debugging but could not find much time.
Steven,
can you take a look and see if you find something obvious?
> connect_index in zookeeper handle might get out of bound.
> ---------------------------------------------------------
>
> Key: ZOOKEEPER-458
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-458
> Project: Zookeeper
> Issue Type: Bug
> Components: c client
> Reporter: Mahadev konar
> Assignee: Steven Cheng
> Fix For: 3.3.0
>
> Attachments: ZOOKEEPER-458.patch, ZOOKEEPER-458.patch,
> ZOOKEEPER-458.patch, ZOOKEEPER-458.patch
>
>
> connect_index in zookeeper handle might get out of bound. the zokoeeper_init
> method checks for index == count and sets it to zero. If the index becomes
> greater than count, then it will go out of bounds.
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