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Posted to issues@trafficserver.apache.org by "Leif Hedstrom (JIRA)" <ji...@apache.org> on 2015/10/09 16:11:26 UTC
[jira] [Assigned] (TS-3948) crashed at json_out_stat() with sprintf
format mismatch
[ https://issues.apache.org/jira/browse/TS-3948?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Leif Hedstrom reassigned TS-3948:
---------------------------------
Assignee: Leif Hedstrom
> crashed at json_out_stat() with sprintf format mismatch
> -------------------------------------------------------
>
> Key: TS-3948
> URL: https://issues.apache.org/jira/browse/TS-3948
> Project: Traffic Server
> Issue Type: Bug
> Reporter: Masa Sekimura
> Assignee: Leif Hedstrom
> Labels: A, crash
> Fix For: 6.1.0
>
>
> We ran into a core dump with the below stack trace. Record data_type was RECD_INT(0x1) in RecDumpRecords():RecCore.cc:963 but somehow it became TS_RECORDDATATYPE_STRING(0x3) which caused sprintf format error in json_out_stat():stats_over_http.c:176
> {code}
> (gdb) where
> #0 0x00002aaaae7d662e in _IO_default_xsputn_internal () from /lib64/libc.so.6
> #1 0x00002aaaae7a732a in vfprintf () from /lib64/libc.so.6
> #2 0x00002aaaae861aa0 in __vsnprintf_chk () from /lib64/libc.so.6
> #3 0x00002aaaae8619da in __snprintf_chk () from /lib64/libc.so.6
> #4 0x00002aaab77f2617 in snprintf (rec_type=<value optimized out>, edata=0x2ae56bb16c80, registered=<value optimized out>, name=<value optimized out>, data_type=<value optimized out>,
> datum=<value optimized out>) at /usr/include/bits/stdio2.h:65
> #5 json_out_stat (rec_type=<value optimized out>, edata=0x2ae56bb16c80, registered=<value optimized out>, name=<value optimized out>, data_type=<value optimized out>, datum=<value optimized out>)
> at stats_over_http.c:176
> #6 0x00002aaaaae46ac5 in RecDumpRecords (rec_type=38, callback=0x2aaab77f2540 <json_out_stat>, edata=0x2ae56bb16c80) at RecCore.cc:963
> #7 0x00002aaab77f2891 in json_out_stats (contp=<value optimized out>, event=TS_EVENT_VCONN_WRITE_READY, edata=0x2abca167bf70) at stats_over_http.c:189
> #8 stats_process_write (contp=<value optimized out>, event=TS_EVENT_VCONN_WRITE_READY, edata=0x2abca167bf70) at stats_over_http.c:204
> #9 stats_dostuff (contp=<value optimized out>, event=TS_EVENT_VCONN_WRITE_READY, edata=0x2abca167bf70) at stats_over_http.c:227
> #10 0x00002aaaaabc7b1a in PluginVC::process_write_side (this=0x2abca167be20, other_side_call=false) at PluginVC.cc:547
> #11 0x00002aaaaabc9be5 in PluginVC::main_handler (this=0x2abca167be20, event=<value optimized out>, data=0x2aaab2c26840) at PluginVC.cc:208
> #12 0x00002aaaaae545b8 in handleEvent (this=0x2aaab23a0000, e=0x2aaab2c26840, calling_code=1) at I_Continuation.h:145
> #13 EThread::process_event (this=0x2aaab23a0000, e=0x2aaab2c26840, calling_code=1) at UnixEThread.cc:128
> #14 0x00002aaaaae54edb in EThread::execute (this=0x2aaab23a0000) at UnixEThread.cc:179
> #15 0x00002aaaaae5398a in spawn_thread_internal (a=0x2aaaab8124f0) at Thread.cc:85
> #16 0x00002aaaac9439d1 in start_thread () from /lib64/libpthread.so.0
> #17 0x00002aaaae84a8fd in clone () from /lib64/libc.so.6
> (gdb) f 6
> #6 0x00002aaaaae46ac5 in RecDumpRecords (rec_type=38, callback=0x2aaab77f2540 <json_out_stat>, edata=0x2ae56bb16c80) at RecCore.cc:963
> 963 in RecCore.cc
> (gdb) p rec_type
> $20 = 38
> (gdb) p edata
> $21 = (void *) 0x2ae56bb16c80
> (gdb) p r->registered
> $22 = true
> (gdb) p r->name
> $23 = 0x2aaaab7ba580 "proxy.process.ssl.origin_server_decryption_failed"
> (gdb) p r->data_type
> $24 = RECD_INT
> (gdb) p &r->data
> $25 = (RecData *) 0x2aaaab76f380
> (gdb)
> {code}
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