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Date:      Mon, 01 Feb 2016 04:51:03 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-bugs@FreeBSD.org
Subject:   [Bug 206812] each man invocation leads to the mandoc crash
Message-ID:  <bug-206812-8@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D206812

            Bug ID: 206812
           Summary: each man invocation leads to the mandoc crash
           Product: Base System
           Version: 11.0-CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: bin
          Assignee: freebsd-bugs@FreeBSD.org
          Reporter: emz@norma.perm.ru

Version: FreeBSD bsdrookie.norma.com. 11.0-CURRENT FreeBSD 11.0-CURRENT #0
r294254: Mon Jan 18 13:46:05 YEKT 2016=20=20=20=20
emz@bsdrookie.norma.com.:/usr/obj/usr/src/sys/BSDROOKIE  amd64

Each man invocation leads to the mandoc crashing and dumping a core. 100%
reproducible.

backtrace:

[root@bsdrookie:/etc]# gdb `which mandoc` mandoc.core
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain condition=
s.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "amd64-marcel-freebsd"...
Core was generated by `mandoc'.
Program terminated with signal 6, Aborted.
Reading symbols from /usr/lib/libprivatesqlite3.so.0...Reading symbols from
/usr/lib/debug//usr/lib/libprivatesqlite3.so.0.debug...done.
done.
Loaded symbols for /usr/lib/libprivatesqlite3.so.0
Reading symbols from /lib/libz.so.6...Reading symbols from
/usr/lib/debug//lib/libz.so.6.debug...done.
done.
Loaded symbols for /lib/libz.so.6
Reading symbols from /lib/libc.so.7...Reading symbols from
/usr/lib/debug//lib/libc.so.7.debug...done.
done.
Loaded symbols for /lib/libc.so.7
Reading symbols from /lib/libthr.so.3...Reading symbols from
/usr/lib/debug//lib/libthr.so.3.debug...done.
done.
Loaded symbols for /lib/libthr.so.3
Reading symbols from /libexec/ld-elf.so.1...Reading symbols from
/usr/lib/debug//libexec/ld-elf.so.1.debug...done.
done.
Loaded symbols for /libexec/ld-elf.so.1
#0  0x0000000800e5148a in thr_kill () from /lib/libc.so.7
[New Thread 801615000 (LWP 102166/<unknown>)]
(gdb) bt
#0  0x0000000800e5148a in thr_kill () from /lib/libc.so.7
#1  0x0000000800e5145b in __raise (s=3D<value optimized out>) at
/usr/src/lib/libc/gen/raise.c:52
#2  0x0000000800e513c9 in abort () at /usr/src/lib/libc/stdlib/abort.c:65
#3  0x0000000800eccce1 in __assert (func=3D<value optimized out>, file=3D<v=
alue
optimized out>,=20
    line=3D<value optimized out>, failedexpr=3D<value optimized out>) at
/usr/src/lib/libc/gen/assert.c:51
#4  0x000000000042c6b0 in main (argc=3D<value optimized out>, argv=3D<value
optimized out>)
    at /usr/src/usr.bin/mandoc/../../contrib/mdocml/main.c:723
#5  0x000000000040395f in _start ()
#6  0x000000080066e000 in ?? ()
#7  0x0000000000000000 in ?? ()

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