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https://issues.apache.org/jira/browse/ZOOKEEPER-1106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13098552#comment-13098552
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zhang yafei commented on ZOOKEEPER-1106:
----------------------------------------
i met the same core dump today.
if *s in ia_deserialize_string was inialized in any case, things will get
better.
a patch (based on r1163106) may help:
--- recordio.c (revision 1165953)
+++ recordio.c (working copy)
@@ -266,6 +266,7 @@
return -E2BIG;
}
if (len < 0) {
+ *s = NULL;
return -EINVAL;
}
*s = malloc(len+1);
> mt c client core when create node
> ----------------------------------
>
> Key: ZOOKEEPER-1106
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1106
> Project: ZooKeeper
> Issue Type: Bug
> Components: c client
> Affects Versions: 3.3.2
> Reporter: jiang guangran
> Attachments: patch.txt
>
>
> in deserialize_CreateResponse
> rc = rc ? : in->deserialize_String(in, "path", &v->path);
> in deserialize_String
> len = -1
> so v->path is uninitialised, and free, so core
> do_io thread
> #0 0x00000039fb030265 in raise () from /lib64/libc.so.6
> #1 0x00000039fb031d10 in abort () from /lib64/libc.so.6
> #2 0x00000039fb06a84b in __libc_message () from /lib64/libc.so.6
> #3 0x00000039fb0722ef in _int_free () from /lib64/libc.so.6
> #4 0x00000039fb07273b in free () from /lib64/libc.so.6
> #5 0x00002b0afd755dd1 in deallocate_String (s=0x5a490f40) at
> src/recordio.c:29
> #6 0x00002b0afd754ade in zookeeper_process (zh=0x131e3870, events=<value
> optimized out>) at src/zookeeper.c:2071
> #7 0x00002b0afd75b2ef in do_io (v=<value optimized out>) at
> src/mt_adaptor.c:310
> #8 0x00000039fb8064a7 in start_thread () from /lib64/libpthread.so.0
> #9 0x00000039fb0d3c2d in clone () from /lib64/libc.so.6
> create_node thread
> #0 0x00000039fb80ab99 in pthread_cond_wait@@GLIBC_2.3.2 () from
> /lib64/libpthread.so.0
> #1 0x00002b0afd75af5c in wait_sync_completion (sc=0x131e4c90) at
> src/mt_adaptor.c:82
> #2 0x00002b0afd751750 in zoo_create (zh=0x131e3870, path=0x13206fa8
> "/jsq/zr2/hb/10.250.8.139:8102",
> value=0x131e86a8
> "\n\021\061\060.250.8.139:8102\022\035/home/shaoqiang/workdir2/qrs/\030\001
> \001*%\n\020\n",
> valuelen=102, acl=0x2b0afd961700, flags=1, path_buffer=0x0,
> path_buffer_len=0) at src/zookeeper.c:3028
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