[ https://issues.apache.org/jira/browse/TS-3791?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Leif Hedstrom updated TS-3791: ------------------------------ Labels: crash (was: ) > Diagnostics can crash in PCRE JIT when there's a bad config > ------------------------------------------------------------ > > Key: TS-3791 > URL: https://issues.apache.org/jira/browse/TS-3791 > Project: Traffic Server > Issue Type: Bug > Components: Core > Reporter: Leif Hedstrom > Labels: crash > Fix For: 6.1.0 > > > Somewhat strange setup, but basically with a bad parent.config entry, e.g. > {code} > dest_domain=. parent="foo.example.com" > {code} > (notice the missing :port), and I run traffic_server with a -T option, e.g. > {code} > ./bin/traffic_server -T parent > {code} > I get a crash with a core of > {code} > (gdb) bt > #0 0x00007ffff52019c8 in __GI_raise (sig=sig@entry=6) at > ../sysdeps/unix/sysv/linux/raise.c:55 > #1 0x00007ffff520365a in __GI_abort () at abort.c:89 > #2 0x00007ffff7bc3fb8 in ink_die_die_die () at > ../../../../lib/ts/ink_error.cc:43 > #3 ink_fatal_va (fmt=0x7ffff7bd0820 "ats_malloc: couldn't allocate %zu > bytes", ap=ap@entry=0x7ffff3994808) at ../../../../lib/ts/ink_error.cc:65 > #4 0x00007ffff7bc404c in ink_fatal > (message_format=message_format@entry=0x7ffff7bd0820 "ats_malloc: couldn't > allocate %zu bytes") at ../../../../lib/ts/ink_error.cc:73 > #5 0x00007ffff7bc6f16 in ats_malloc (size=32) at > ../../../../lib/ts/ink_memory.cc:56 > #6 0x00007ffff6911694 in sljit_allocate_stack (allocator_data=0x0, > max_limit=1048576, limit=8192) at sljit/sljitUtils.c:236 > #7 pcre_jit_stack_alloc (startsize=8192, maxsize=<optimized out>, > maxsize@entry=1048576) at pcre_jit_compile.c:10571 > #8 0x00007ffff7bbc656 in get_jit_stack (data=<optimized out>) at > ../../../../lib/ts/Regex.cc:44 > #9 0x00007ffff6911358 in _pcre_jit_exec > (extra_data=extra_data@entry=0x10aa2d0, subject=subject@entry=0x80ac67 > "pmgmt", length=length@entry=5, start_offset=start_offset@entry=0, > options=options@entry=0, offsets=offsets@entry=0x7ffff3994be0, > offset_count=2) at pcre_jit_compile.c:10420 > #10 0x00007ffff68e9e7e in pcre_exec (argument_re=0x10aa270, > extra_data=<optimized out>, subject=subject@entry=0x80ac67 "pmgmt", > length=length@entry=5, start_offset=start_offset@entry=0, > options=options@entry=0, offsets=0x7ffff3994be0, offsetcount=30) at > pcre_exec.c:6483 > #11 0x00007ffff7bbc79e in Regex::exec (this=<optimized out>, > str=str@entry=0x80ac67 "pmgmt", length=length@entry=5, > ovector=ovector@entry=0x7ffff3994be0, ovecsize=ovecsize@entry=30) at > ../../../../lib/ts/Regex.cc:120 > #12 0x00007ffff7bbc7c5 in Regex::exec (this=<optimized out>, > str=str@entry=0x80ac67 "pmgmt", length=length@entry=5) at > ../../../../lib/ts/Regex.cc:112 > #13 0x00007ffff7bbca1f in DFA::match (this=<optimized out>, > str=str@entry=0x80ac67 "pmgmt", length=5) at ../../../../lib/ts/Regex.cc:235 > #14 0x00007ffff7bbca67 in DFA::match (this=<optimized out>, > str=str@entry=0x80ac67 "pmgmt") at ../../../../lib/ts/Regex.cc:225 > #15 0x00007ffff7bb0a32 in Diags::tag_activated (this=this@entry=0x10aa140, > tag=tag@entry=0x80ac67 "pmgmt", mode=mode@entry=DiagsTagType_Debug) at > ../../../../lib/ts/Diags.cc:394 > #16 0x00007ffff7bb1429 in on (mode=DiagsTagType_Debug, tag=0x80ac67 "pmgmt", > this=0x10aa140) at ../../../../lib/ts/Diags.h:171 > #17 Diags::log (this=0x10aa140, tag=tag@entry=0x80ac67 "pmgmt", > level=level@entry=DL_Debug, file=file@entry=0x80a850 > "../../../mgmt/ProcessManager.cc", func=func@entry=0x80acf0 > <ProcessManager::processSignalQueue()::__FUNCTION__> "processSignalQueue", > line=line@entry=148, format_string=0x80a8f8 "[ProcessManager] ==> Signalling > local manager '%d'\n") at ../../../../lib/ts/Diags.cc:513 > #18 0x00000000006979f5 in ProcessManager::processSignalQueue (this=0x10eab30) > at ../../../mgmt/ProcessManager.cc:148 > #19 0x0000000000697ffd in startProcessManager (arg=<optimized out>) at > ../../../mgmt/ProcessManager.cc:63 > #20 0x00007ffff6039555 in start_thread (arg=0x7ffff3995700) at > pthread_create.c:333 > #21 0x00007ffff52cfb9d in clone () at > ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)