Crash Report: ShowNet::showConnectionsOnThread -> ShowCont::show
----------------------------------------------------------------
Key: TS-848
URL: https://issues.apache.org/jira/browse/TS-848
Project: Traffic Server
Issue Type: Bug
Components: HTTP
Affects Versions: 3.1.0
Reporter: Zhao Yongming
when we use the {net} http_ui network interface, it crashed with the following
information
{code}
NOTE: Traffic Server received Sig 11: Segmentation fault
/usr/bin/traffic_server - STACK TRACE:
/usr/bin/traffic_server[0x51ba3e]
/lib64/libpthread.so.0[0x3f89c0e7c0]
[0x7fffd20544f8]
/lib64/libc.so.6(vsnprintf+0x9a)[0x3f8906988a]
/usr/bin/traffic_server(ShowCont::show(char const*, ...)+0x262)[0x638184]
/usr/bin/traffic_server(ShowNet::showConnectionsOnThread(int,
Event*)+0x481)[0x6ec7bf]
/usr/bin/traffic_server(Continuation::handleEvent(int, void*)+0x6f)[0x4d302f]
/usr/bin/traffic_server(EThread::process_event(Event*, int)+0x11e)[0x6f9978]
/usr/bin/traffic_server(EThread::execute()+0x94)[0x6f9b6a]
/usr/bin/traffic_server(main+0x10c7)[0x4ff74d]
/lib64/libc.so.6(__libc_start_main+0xf4)[0x3f8901d994]
/usr/bin/traffic_server(__gxx_personality_v0+0x491)[0x4b2149]
/usr/bin/traffic_server(__gxx_personality_v0+0x491)[0x4b2149]
[New process 31182]
#0 0x0000003f890796d0 in strlen () from /lib64/libc.so.6
(gdb) bt
#0 0x0000003f890796d0 in strlen () from /lib64/libc.so.6
#1 0x0000003f89046b69 in vfprintf () from /lib64/libc.so.6
#2 0x0000003f8906988a in vsnprintf () from /lib64/libc.so.6
#3 0x0000000000638184 in ShowCont::show (this=0x2aaab44af600,
s=0x7732b8
"<tr><td>%d</td><td>%s</td><td>%d</td><td>%d</td><td>%s</td><td>%d</td><td>%d
secs
ago</td><td>%d</td><td>%d</td><td>%d</td><td>%d</td><td>%d</td><td>%d</td><td>%d</td><td>%d
secs</td><td>%d secs</td><"...) at ../../proxy/Show.h:62
#4 0x00000000006ec7bf in ShowNet::showConnectionsOnThread
(this=0x2aaab44af600, event=1, e=0x2aaab5cc2080) at UnixNetPages.cc:75
#5 0x00000000004d302f in Continuation::handleEvent (this=0x2aaab44af600,
event=1, data=0x2aaab5cc2080) at I_Continuation.h:146
#6 0x00000000006f9978 in EThread::process_event (this=0x2aaaaae29010,
e=0x2aaab5cc2080, calling_code=1) at UnixEThread.cc:140
#7 0x00000000006f9b6a in EThread::execute (this=0x2aaaaae29010) at
UnixEThread.cc:189
#8 0x00000000004ff74d in main (argc=3, argv=0x7fffd2054d88) at Main.cc:1958
{code}
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