[jira] [Created] (TS-1906) crash at BaseStatPagesHandler::resp_add

["Bin Chen (JIRA)" <ji...@apache.org>]

Bin Chen created TS-1906:
----------------------------

             Summary: crash at BaseStatPagesHandler::resp_add
                 Key: TS-1906
                 URL: https://issues.apache.org/jira/browse/TS-1906
             Project: Traffic Server
          Issue Type: Bug
          Components: Web site
            Reporter: Bin Chen


{code}
#0  0x0000003984b3ef48 in __memcpy_ssse3_back () from /lib64/libc.so.6
Missing separate debuginfos, use: debuginfo-install expat-2.0.1-9.1.el6.x86_64 glibc-2.12-1.47.el6.x86_64 keyutils-libs-1.4-3.el6.x86_64 krb5-libs-1.9-22.el6.x86_64 libattr-2.4.44-7.el6.x86_64 libcap-2.16-5.5.el6.x86_64 libcom_err-1.41.12-11.el6.x86_64 libgcc-4.4.6-3.el6.x86_64 libselinux-2.0.94-5.2.el6.x86_64 libstdc++-4.4.6-3.el6.x86_64 ncurses-libs-5.7-3.20090208.el6.x86_64 openssl-1.0.0-20.el6.x86_64 pcre-7.8-3.1.el6.x86_64 readline-6.0-3.el6.x86_64 tcl-8.5.7-6.el6.x86_64 xz-libs-4.999.9-0.3.beta.20091007git.el6.x86_64 zlib-1.2.3-27.el6.x86_64
(gdb) bt
#0  0x0000003984b3ef48 in __memcpy_ssse3_back () from /lib64/libc.so.6
#1  0x00000000004e59f0 in BaseStatPagesHandler::resp_add (this=0x2ad6205cdf10, fmt=<value optimized out>) at StatPages.cc:181
<code>
#2  0x000000000057658c in HttpPagesHandler::handle_smlist (this=0x2ad6205cdf10, event=<value optimized out>, data=<value optimized out>)
    at HttpPages.cc:419
#3  0x00000000006aa0b4 in handleEvent (this=0x2ad60931d010, e=0x2ad6402cf310, calling_code=1) at I_Continuation.h:146
#4  EThread::process_event (this=0x2ad60931d010, e=0x2ad6402cf310, calling_code=1) at UnixEThread.cc:142
#5  0x00000000006aac1b in EThread::execute (this=0x2ad60931d010) at UnixEThread.cc:193
#6  0x00000000006a9052 in spawn_thread_internal (a=0x317b860) at Thread.cc:88
#7  0x0000003984e077f1 in start_thread () from /lib64/libpthread.so.0
#8  0x0000003984ae570d in clone () from /lib64/libc.so.6
(gdb) f 1
#1  0x00000000004e59f0 in BaseStatPagesHandler::resp_add (this=0x2ad6205cdf10, fmt=<value optimized out>) at StatPages.cc:181
/usr/src/debug/trafficserver-3.2.0/proxy/StatPages.cc:181:4220:beg:0x4e59f0
(gdb) l
176           response = (char *)ats_realloc(response, size);
177         }
178         response_size = size;
179       }
180
181       memcpy(&response[response_length], buf, length + 1);
182       response_length += length;
183     }
184
185     void
(gdb) p length
$1 = 38015
{code}

char buf[16384], but length = 38015

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