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List:       kde-bugs-dist
Subject:    [valgrind] [Bug 255603] Assertion '!already_present' failed
From:       <bugzilla_noreply () kde ! org>
Date:       2016-12-14 16:21:17
Message-ID: bug-255603-17878-GptHGGPl9q () http ! bugs ! kde ! org/
[Download RAW message or body]

https://bugs.kde.org/show_bug.cgi?id=255603

stewartwputnam@gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |stewartwputnam@gmail.com

--- Comment #7 from stewartwputnam@gmail.com ---
Björn Stenberg 2015-06-30 14:14:46 UTC Comment 6 describes what I see best.  
Commenting out a call to gethostbyname() and then a call to getpwnam() let
exp-sgcheck run .

Failed on getpwnam():
/home/stew/valgrind-3.12.0/coregrind/valgrind --tool=exp-sgcheck
--trace-children=yes -v ./server/LCDd -c ./LCDd.conf -f
==1016== exp-sgcheck, a stack and global array overrun detector
==1016== NOTE: This is an Experimental-Class Valgrind Tool
==1016== Copyright (C) 2003-2013, and GNU GPL'd, by OpenWorks Ltd et al.
==1016== Using Valgrind-3.10.0 and LibVEX; rerun with -h for copyright info
==1016== Command: ./server/LCDd -c ./LCDd.conf -f
==1016== 
--1016-- Valgrind options:
--1016--    --tool=exp-sgcheck
--1016--    --trace-children=yes
--1016--    -v
--1016-- Contents of /proc/version:
--1016--   Linux version 3.16.36 (root@rattle) (gcc version 4.9.2 (Debian
4.9.2-10) ) #1 SMP Fri Oct 21 07:14:56 PDT 2016
--1016-- Arch and hwcaps: AMD64, LittleEndian, amd64-cx16-rdtscp-sse3
--1016-- Page sizes: currently 4096, max supported 4096
--1016-- Valgrind library directory: /usr/lib/valgrind
--1016-- Reading syms from
/root/cf-ss-swap/lcdproc-0.5.7-ss-20161207-TN/server/LCDd
--1016-- Reading syms from /lib/x86_64-linux-gnu/ld-2.19.so
--1016--   Considering /lib/x86_64-linux-gnu/ld-2.19.so ..
--1016--   .. CRC mismatch (computed 60000291 wanted 8b33a7a7)
--1016--   Considering /usr/lib/debug/lib/x86_64-linux-gnu/ld-2.19.so ..
--1016--   .. CRC is valid
--1016-- warning: addVar: unknown size (loadcmds)
--1016-- warning: addVar: unknown size (loadcmds)
--1016-- warning: addVar: unknown size (loadcmds)
--1016-- warning: addVar: unknown size (loadcmds)
--1016-- warning: addVar: unknown size (loadcmds)
--1016-- warning: addVar: unknown size (loadcmds)
--1016-- warning: addVar: unknown size (loadcmds)
--1016-- warning: addVar: unknown size (loadcmds)
--1016-- warning: addVar: unknown size (loadcmds)
--1016-- warning: addVar: unknown size (loadcmds)
--1016-- Reading syms from /usr/lib/valgrind/exp-sgcheck-amd64-linux
--1016--   Considering /usr/lib/valgrind/exp-sgcheck-amd64-linux ..
--1016--   .. CRC mismatch (computed ae57864a wanted 616ea344)
--1016--   Considering /usr/lib/debug/usr/lib/valgrind/exp-sgcheck-amd64-linux
..
--1016--   .. CRC is valid
--1016--    object doesn't have a dynamic symbol table
--1016-- Scheduler: using generic scheduler lock implementation.
--1016-- Reading suppressions file: /usr/lib/valgrind/default.supp
==1016== embedded gdbserver: reading from
/tmp/vgdb-pipe-from-vgdb-to-1016-by-root-on-???
==1016== embedded gdbserver: writing to  
/tmp/vgdb-pipe-to-vgdb-from-1016-by-root-on-???
==1016== embedded gdbserver: shared mem  
/tmp/vgdb-pipe-shared-mem-vgdb-1016-by-root-on-???
==1016== 
==1016== TO CONTROL THIS PROCESS USING vgdb (which you probably
==1016== don't want to do, unless you know exactly what you're doing,
==1016== or are doing some strange experiment):
==1016==   /usr/lib/valgrind/../../bin/vgdb --pid=1016 ...command...
==1016== 
==1016== TO DEBUG THIS PROCESS USING GDB: start GDB like this
==1016==   /path/to/gdb ./server/LCDd
==1016== and then give GDB the following command
==1016==   target remote | /usr/lib/valgrind/../../bin/vgdb --pid=1016
==1016== --pid is optional if only one valgrind process is running
==1016== 
--1016-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--1016-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--1016-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--1016-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--1016-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--1016-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--1016-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--1016-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--1016-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--1016-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--1016-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--1016-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--1016-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--1016-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--1016-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--1016-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--1016-- Reading syms from /usr/lib/valgrind/vgpreload_core-amd64-linux.so
--1016--   Considering /usr/lib/valgrind/vgpreload_core-amd64-linux.so ..
--1016--   .. CRC mismatch (computed 9771ef88 wanted e8eb00cf)
--1016--   Considering
/usr/lib/debug/usr/lib/valgrind/vgpreload_core-amd64-linux.so ..
--1016--   .. CRC is valid
--1016-- Reading syms from
/usr/lib/valgrind/vgpreload_exp-sgcheck-amd64-linux.so
--1016--   Considering /usr/lib/valgrind/vgpreload_exp-sgcheck-amd64-linux.so
..
--1016--   .. CRC mismatch (computed 751e41e5 wanted 6fd813ce)
--1016--   Considering
/usr/lib/debug/usr/lib/valgrind/vgpreload_exp-sgcheck-amd64-linux.so ..
--1016--   .. CRC is valid
==1016== WARNING: new redirection conflicts with existing -- ignoring it
--1016--     old: 0x040176d0 (index               ) R-> (0000.0) 0x04c2a8f0
index
--1016--     new: 0x040176d0 (index               ) R-> (0000.0) 0x04c2a8b0
strchr
--1016-- REDIR: 0x40176d0 (ld-linux-x86-64.so.2:index) redirected to 0x4c2a8f0
(index)
--1016-- REDIR: 0x40178f0 (ld-linux-x86-64.so.2:strcmp) redirected to 0x4c2abf0
(strcmp)
--1016-- REDIR: 0x4017920 (ld-linux-x86-64.so.2:strlen) redirected to 0x4c2a9d0
(strlen)
--1016-- Reading syms from /lib/x86_64-linux-gnu/libpthread-2.19.so
--1016--   Considering /lib/x86_64-linux-gnu/libpthread-2.19.so ..
--1016--   .. CRC mismatch (computed 280b7aee wanted 21120dbf)
--1016--   Considering /usr/lib/debug/lib/x86_64-linux-gnu/libpthread-2.19.so
..
--1016--   .. CRC is valid
--1016-- Reading syms from /lib/x86_64-linux-gnu/libdl-2.19.so
--1016--   Considering /lib/x86_64-linux-gnu/libdl-2.19.so ..
--1016--   .. CRC mismatch (computed b76b883c wanted c261d240)
--1016--   Considering /usr/lib/debug/lib/x86_64-linux-gnu/libdl-2.19.so ..
--1016--   .. CRC is valid
--1016-- Reading syms from /lib/x86_64-linux-gnu/libc-2.19.so
--1016--   Considering /lib/x86_64-linux-gnu/libc-2.19.so ..
--1016--   .. CRC mismatch (computed 15777026 wanted 3c8210d6)
--1016--   Considering /usr/lib/debug/lib/x86_64-linux-gnu/libc-2.19.so ..
--1016--   .. CRC is valid
==1016== WARNING: new redirection conflicts with existing -- ignoring it
--1016--     old: 0x052cef70 (index               ) R-> (0000.0) 0x04c2a7b0
index
--1016--     new: 0x052cef70 (index               ) R-> (0000.0) 0x04c2a770
strchr
==1016== WARNING: new redirection conflicts with existing -- ignoring it
--1016--     old: 0x052d0c10 (strlen              ) R-> (0000.0) 0x04c2a970
strlen
--1016--     new: 0x052d0c10 (strlen              ) R-> (0000.0) 0x04c2a990
__GI_strlen
==1016== WARNING: new redirection conflicts with existing -- ignoring it
--1016--     old: 0x052d2910 (rindex              ) R-> (0000.0) 0x04c2a6e0
rindex
--1016--     new: 0x052d2910 (rindex              ) R-> (0000.0) 0x04c2a6b0
strrchr
==1016== WARNING: new redirection conflicts with existing -- ignoring it
--1016--     old: 0x052d2910 (rindex              ) R-> (0000.0) 0x04c2a6e0
rindex
--1016--     new: 0x052d2910 (rindex              ) R-> (0000.0) 0x04c2a710
__GI_strrchr
==1016== WARNING: new redirection conflicts with existing -- ignoring it
--1016--     old: 0x052d2910 (rindex              ) R-> (0000.0) 0x04c2a6e0
rindex
--1016--     new: 0x052d2910 (rindex              ) R-> (0000.0) 0x04c2a6b0
strrchr
==1016== WARNING: new redirection conflicts with existing -- ignoring it
--1016--     old: 0x052db540 (rawmemchr           ) R-> (0000.0) 0x04c2b3f0
rawmemchr
--1016--     new: 0x052db540 (rawmemchr           ) R-> (0000.0) 0x04c2b410
__GI___rawmemchr
--1016-- REDIR: 0x52d4590 (libc.so.6:memcpy@GLIBC_2.2.5) redirected to
0x4a23730 (_vgnU_ifunc_wrapper)
--1016-- REDIR: 0x52d2910 (libc.so.6:rindex) redirected to 0x4c2a6e0 (rindex)
--1016-- REDIR: 0x52cb930 (libc.so.6:calloc) redirected to 0x4c29970 (calloc)
--1016-- REDIR: 0x52d0c10 (libc.so.6:strlen) redirected to 0x4c2a970 (strlen)
--1016-- REDIR: 0x52cafc0 (libc.so.6:malloc) redirected to 0x4c27890 (malloc)
--1016-- REDIR: 0x52d0650 (libc.so.6:strcpy) redirected to 0x4a23730
(_vgnU_ifunc_wrapper)
--1016-- REDIR: 0x52e5be0 (libc.so.6:__strcpy_sse2_unaligned) redirected to
0x4c2aa10 (strcpy)
--1016-- REDIR: 0x52cefa0 (libc.so.6:__GI_strchr) redirected to 0x4c2a7f0
(__GI_strchr)
--1016-- REDIR: 0x52cf1c0 (libc.so.6:strcmp) redirected to 0x4a23730
(_vgnU_ifunc_wrapper)
--1016-- REDIR: 0x52e0d70 (libc.so.6:__strcmp_sse2_unaligned) redirected to
0x4c2ab50 (strcmp)
--1016-- REDIR: 0x52cb600 (libc.so.6:free) redirected to 0x4c28b00 (free)
--1016-- REDIR: 0xffffffffff600400 (???:???) redirected to 0x38092e4d
(vgPlain_amd64_linux_REDIR_FOR_vtime)
--1016-- REDIR: 0x52d0690 (libc.so.6:__GI_strcpy) redirected to 0x4c2aa40
(__GI_strcpy)
--1016-- REDIR: 0x52cf200 (libc.so.6:__GI_strcmp) redirected to 0x4c2aba0
(__GI_strcmp)
--1016-- REDIR: 0x52cb690 (libc.so.6:realloc) redirected to 0x4c29b90 (realloc)
LCDd 0.5.7, LCDproc Protocol 0.3
Part of the LCDproc suite
Copyright (C) 1998-2014 William Ferrell, Selene Scriven
                        and many other contributors

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

--1016-- Reading syms from
/root/cf-ss-swap/lcdproc-0.5.7-ss-20161207-TN/server/drivers/CF63oddtf.so
--1016-- Reading syms from /usr/lib/x86_64-linux-gnu/libsensors.so.4.3.2
--1016--    object doesn't have a symbol table
--1016-- Reading syms from /lib/x86_64-linux-gnu/libm-2.19.so
--1016--   Considering /lib/x86_64-linux-gnu/libm-2.19.so ..
--1016--   .. CRC mismatch (computed 7d093d0d wanted d5c6ebc4)
--1016--   Considering /usr/lib/debug/lib/x86_64-linux-gnu/libm-2.19.so ..
--1016--   .. CRC is valid
--1016-- REDIR: 0x52cef70 (libc.so.6:index) redirected to 0x4a23730
(_vgnU_ifunc_wrapper)
==1016== WARNING: new redirection conflicts with existing -- ignoring it
--1016--     old: 0x052cefa0 (__GI_strchr         ) R-> (0000.0) 0x04c2a7f0
__GI_strchr
--1016--     new: 0x052cefa0 (__GI_strchr         ) R-> (0000.0) 0x04c2a7b0
index
--1016-- REDIR: 0x52d9790 (libc.so.6:memcpy@@GLIBC_2.14) redirected to
0x4a23730 (_vgnU_ifunc_wrapper)
--1016-- REDIR: 0x52d1030 (libc.so.6:strncmp) redirected to 0x4a23730
(_vgnU_ifunc_wrapper)
==1016== WARNING: new redirection conflicts with existing -- ignoring it
--1016--     old: 0x052cefa0 (__GI_strchr         ) R-> (0000.0) 0x04c2a7f0
__GI_strchr
--1016--     new: 0x052cefa0 (__GI_strchr         ) R-> (0000.0) 0x04c2a7b0
index
==1016== WARNING: new redirection conflicts with existing -- ignoring it
--1016--     old: 0x052cefa0 (__GI_strchr         ) R-> (0000.0) 0x04c2a7f0
__GI_strchr
--1016--     new: 0x052cefa0 (__GI_strchr         ) R-> (0000.0) 0x04c2a7b0
index
--1016-- REDIR: 0x52d3a20 (libc.so.6:strstr) redirected to 0x4a23730
(_vgnU_ifunc_wrapper)
--1016-- REDIR: 0x4018770 (ld-linux-x86-64.so.2:stpcpy) redirected to 0x4c2b3c0
(stpcpy)
--1016-- REDIR: 0xffffffffff600000 (???:???) redirected to 0x38092e43
(vgPlain_amd64_linux_REDIR_FOR_vgettimeofday)
--1016-- REDIR: 0x52e1020 (libc.so.6:__memcpy_sse2_unaligned) redirected to
0x4c2acd0 (memcpy)

--1016-- REDIR: 0x52db540 (libc.so.6:rawmemchr) redirected to 0x4c2b3f0
(rawmemchr)
--1016-- REDIR: 0x52d3c60 (libc.so.6:memchr) redirected to 0x4c2ac90 (memchr)
--1016-- REDIR: 0x52d0dd0 (libc.so.6:strnlen) redirected to 0x4c2a930 (strnlen)
--1016-- REDIR: 0x536e6c0 (libc.so.6:__strncmp_sse42) redirected to 0x4c2aa70
(strncmp)
--1016-- REDIR: 0x52d1080 (libc.so.6:__GI_strncmp) redirected to 0x4c2aae0
(__GI_strncmp)
==1016== Invalid read of size 4
==1016==    at 0x5A1311D: csv_init (CF63oddtf.c:6905)
==1016==    by 0x5A0C8DA: spawn_clones (CF63oddtf.c:4867)
==1016==    by 0x59FF480: CF63oddtf_init (CF63oddtf.c:638)
==1016==    by 0x4155DD: driver_load (driver.c:153)
==1016==    by 0x4147B1: drivers_load_driver (drivers.c:85)
==1016==    by 0x40824A: init_drivers (main.c:670)
==1016==    by 0x407474: main (main.c:237)
==1016==  Address 0x5c1d940 expected vs actual:
==1016==  Expected: unknown
==1016==  Actual:   global array "order" of size 244 in object with soname
"NONE"
==1016== 

exp-sgcheck: sg_main.c:560 (add_blocks_to_StackTree): Assertion
'!already_present' failed.

host stacktrace:
==1016==    at 0x3807BD8F: show_sched_status_wrk (m_libcassert.c:319)
==1016==    by 0x3807BE84: report_and_quit (m_libcassert.c:390)
==1016==    by 0x3807C006: vgPlain_assert_fail (m_libcassert.c:455)
==1016==    by 0x3807225B: add_blocks_to_StackTree (sg_main.c:560)
==1016==    by 0x380735BE: shadowStack_new_frame.isra.22 (sg_main.c:1875)
==1016==    by 0x805F6D449: ???
==1016==    by 0x802C7DEEF: ???
==1016==    by 0x3806FE6F: ??? (h_main.c:141)
==1016==    by 0x536935A: __nscd_get_mapping (nscd_helper.c:286)

sched status:
  running_tid=1

Thread 1: status = VgTs_Runnable
==1016==    at 0x5369398: __nscd_get_mapping (nscd_helper.c:293)
==1016==    by 0x536977B: __nscd_get_map_ref (nscd_helper.c:443)
==1016==    by 0x5366097: nscd_getpw_r (nscd_getpw_r.c:95)
==1016==    by 0x536645F: __nscd_getpwnam_r (nscd_getpw_r.c:51)
==1016==    by 0x5308120: getpwnam_r@@GLIBC_2.2.5 (getXXbyYY_r.c:196)
==1016==    by 0x5307A0E: getpwnam (getXXbyYY.c:116)
==1016==    by 0x40832B: drop_privs (main.c:708)
==1016==    by 0x4074F1: main (main.c:247)

Thread 2: status = VgTs_WaitSys
==1016==    at 0x5343BAB: __lll_lock_wait_private (lowlevellock.S:95)
==1016==    by 0x5333533: _L_lock_499 (syslog.c:464)
==1016==    by 0x5332FD5: __vsyslog_chk (syslog.c:258)
==1016==    by 0x418FED: report (report.c:58)
==1016==    by 0x5A09F4D: listen_packets (CF63oddtf.c:3952)
==1016==    by 0x4E360A3: start_thread (pthread_create.c:309)

Thread 3: status = VgTs_Init
==1016==    at 0x53375F1: clone (clone.S:81)


Note: see also the FAQ in the source distribution.

===============================================================================
Failed @ Gethostbyname
===============================================================================
root@rattle:~/cf-ss-swap/lcdproc-0.5.7-ss-20161207-TN#
/home/stew/valgrind-3.12.0/coregrind/valgrind --tool=exp-sgcheck
--trace-children=yes -v ./server/LCDd -c ./LCDd.conf -f
==4224== exp-sgcheck, a stack and global array overrun detector
==4224== NOTE: This is an Experimental-Class Valgrind Tool
==4224== Copyright (C) 2003-2013, and GNU GPL'd, by OpenWorks Ltd et al.
==4224== Using Valgrind-3.10.0 and LibVEX; rerun with -h for copyright info
==4224== Command: ./server/LCDd -c ./LCDd.conf -f
==4224== 
--4224-- Valgrind options:
--4224--    --tool=exp-sgcheck
--4224--    --trace-children=yes
--4224--    -v
--4224-- Contents of /proc/version:
--4224--   Linux version 3.16.36 (root@rattle) (gcc version 4.9.2 (Debian
4.9.2-10) ) #1 SMP Fri Oct 21 07:14:56 PDT 2016
--4224-- Arch and hwcaps: AMD64, LittleEndian, amd64-cx16-rdtscp-sse3
--4224-- Page sizes: currently 4096, max supported 4096
--4224-- Valgrind library directory: /usr/lib/valgrind
--4224-- Reading syms from
/root/cf-ss-swap/lcdproc-0.5.7-ss-20161207-TN/server/LCDd
--4224-- Reading syms from /lib/x86_64-linux-gnu/ld-2.19.so
--4224--   Considering /lib/x86_64-linux-gnu/ld-2.19.so ..
--4224--   .. CRC mismatch (computed 60000291 wanted 8b33a7a7)
--4224--   Considering /usr/lib/debug/lib/x86_64-linux-gnu/ld-2.19.so ..
--4224--   .. CRC is valid
--4224-- warning: addVar: unknown size (loadcmds)
--4224-- warning: addVar: unknown size (loadcmds)
--4224-- warning: addVar: unknown size (loadcmds)
--4224-- warning: addVar: unknown size (loadcmds)
--4224-- warning: addVar: unknown size (loadcmds)
--4224-- warning: addVar: unknown size (loadcmds)
--4224-- warning: addVar: unknown size (loadcmds)
--4224-- warning: addVar: unknown size (loadcmds)
--4224-- warning: addVar: unknown size (loadcmds)
--4224-- warning: addVar: unknown size (loadcmds)
--4224-- Reading syms from /usr/lib/valgrind/exp-sgcheck-amd64-linux
--4224--   Considering /usr/lib/valgrind/exp-sgcheck-amd64-linux ..
--4224--   .. CRC mismatch (computed ae57864a wanted 616ea344)
--4224--   Considering /usr/lib/debug/usr/lib/valgrind/exp-sgcheck-amd64-linux
..
--4224--   .. CRC is valid
--4224--    object doesn't have a dynamic symbol table
--4224-- Scheduler: using generic scheduler lock implementation.
--4224-- Reading suppressions file: /usr/lib/valgrind/default.supp
==4224== embedded gdbserver: reading from
/tmp/vgdb-pipe-from-vgdb-to-4224-by-root-on-???
==4224== embedded gdbserver: writing to  
/tmp/vgdb-pipe-to-vgdb-from-4224-by-root-on-???
==4224== embedded gdbserver: shared mem  
/tmp/vgdb-pipe-shared-mem-vgdb-4224-by-root-on-???
==4224== 
==4224== TO CONTROL THIS PROCESS USING vgdb (which you probably
==4224== don't want to do, unless you know exactly what you're doing,
==4224== or are doing some strange experiment):
==4224==   /usr/lib/valgrind/../../bin/vgdb --pid=4224 ...command...
==4224== 
==4224== TO DEBUG THIS PROCESS USING GDB: start GDB like this
==4224==   /path/to/gdb ./server/LCDd
==4224== and then give GDB the following command
==4224==   target remote | /usr/lib/valgrind/../../bin/vgdb --pid=4224
==4224== --pid is optional if only one valgrind process is running
==4224== 
--4224-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--4224-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--4224-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--4224-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--4224-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--4224-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--4224-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--4224-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--4224-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--4224-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--4224-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--4224-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--4224-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--4224-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--4224-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--4224-- warning: evaluate_Dwarf3_Expr: unhandled DW_OP_ 0x93
--4224-- Reading syms from /usr/lib/valgrind/vgpreload_core-amd64-linux.so
--4224--   Considering /usr/lib/valgrind/vgpreload_core-amd64-linux.so ..
--4224--   .. CRC mismatch (computed 9771ef88 wanted e8eb00cf)
--4224--   Considering
/usr/lib/debug/usr/lib/valgrind/vgpreload_core-amd64-linux.so ..
--4224--   .. CRC is valid
--4224-- Reading syms from
/usr/lib/valgrind/vgpreload_exp-sgcheck-amd64-linux.so
--4224--   Considering /usr/lib/valgrind/vgpreload_exp-sgcheck-amd64-linux.so
..
--4224--   .. CRC mismatch (computed 751e41e5 wanted 6fd813ce)
--4224--   Considering
/usr/lib/debug/usr/lib/valgrind/vgpreload_exp-sgcheck-amd64-linux.so ..
--4224--   .. CRC is valid
==4224== WARNING: new redirection conflicts with existing -- ignoring it
--4224--     old: 0x040176d0 (index               ) R-> (0000.0) 0x04c2a8f0
index
--4224--     new: 0x040176d0 (index               ) R-> (0000.0) 0x04c2a8b0
strchr
--4224-- REDIR: 0x40176d0 (ld-linux-x86-64.so.2:index) redirected to 0x4c2a8f0
(index)
--4224-- REDIR: 0x40178f0 (ld-linux-x86-64.so.2:strcmp) redirected to 0x4c2abf0
(strcmp)
--4224-- REDIR: 0x4017920 (ld-linux-x86-64.so.2:strlen) redirected to 0x4c2a9d0
(strlen)
--4224-- Reading syms from /lib/x86_64-linux-gnu/libpthread-2.19.so
--4224--   Considering /lib/x86_64-linux-gnu/libpthread-2.19.so ..
--4224--   .. CRC mismatch (computed 280b7aee wanted 21120dbf)
--4224--   Considering /usr/lib/debug/lib/x86_64-linux-gnu/libpthread-2.19.so
..
--4224--   .. CRC is valid
--4224-- Reading syms from /lib/x86_64-linux-gnu/libdl-2.19.so
--4224--   Considering /lib/x86_64-linux-gnu/libdl-2.19.so ..
--4224--   .. CRC mismatch (computed b76b883c wanted c261d240)
--4224--   Considering /usr/lib/debug/lib/x86_64-linux-gnu/libdl-2.19.so ..
--4224--   .. CRC is valid
--4224-- Reading syms from /lib/x86_64-linux-gnu/libc-2.19.so
--4224--   Considering /lib/x86_64-linux-gnu/libc-2.19.so ..
--4224--   .. CRC mismatch (computed 15777026 wanted 3c8210d6)
--4224--   Considering /usr/lib/debug/lib/x86_64-linux-gnu/libc-2.19.so ..
--4224--   .. CRC is valid
==4224== WARNING: new redirection conflicts with existing -- ignoring it
--4224--     old: 0x052cef70 (index               ) R-> (0000.0) 0x04c2a7b0
index
--4224--     new: 0x052cef70 (index               ) R-> (0000.0) 0x04c2a770
strchr
==4224== WARNING: new redirection conflicts with existing -- ignoring it
--4224--     old: 0x052d0c10 (strlen              ) R-> (0000.0) 0x04c2a970
strlen
--4224--     new: 0x052d0c10 (strlen              ) R-> (0000.0) 0x04c2a990
__GI_strlen
==4224== WARNING: new redirection conflicts with existing -- ignoring it
--4224--     old: 0x052d2910 (rindex              ) R-> (0000.0) 0x04c2a6e0
rindex
--4224--     new: 0x052d2910 (rindex              ) R-> (0000.0) 0x04c2a6b0
strrchr
==4224== WARNING: new redirection conflicts with existing -- ignoring it
--4224--     old: 0x052d2910 (rindex              ) R-> (0000.0) 0x04c2a6e0
rindex
--4224--     new: 0x052d2910 (rindex              ) R-> (0000.0) 0x04c2a710
__GI_strrchr
==4224== WARNING: new redirection conflicts with existing -- ignoring it
--4224--     old: 0x052d2910 (rindex              ) R-> (0000.0) 0x04c2a6e0
rindex
--4224--     new: 0x052d2910 (rindex              ) R-> (0000.0) 0x04c2a6b0
strrchr
==4224== WARNING: new redirection conflicts with existing -- ignoring it
--4224--     old: 0x052db540 (rawmemchr           ) R-> (0000.0) 0x04c2b3f0
rawmemchr
--4224--     new: 0x052db540 (rawmemchr           ) R-> (0000.0) 0x04c2b410
__GI___rawmemchr
--4224-- REDIR: 0x52d4590 (libc.so.6:memcpy@GLIBC_2.2.5) redirected to
0x4a23730 (_vgnU_ifunc_wrapper)
--4224-- REDIR: 0x52d2910 (libc.so.6:rindex) redirected to 0x4c2a6e0 (rindex)
--4224-- REDIR: 0x52cb930 (libc.so.6:calloc) redirected to 0x4c29970 (calloc)
--4224-- REDIR: 0x52d0c10 (libc.so.6:strlen) redirected to 0x4c2a970 (strlen)
--4224-- REDIR: 0x52cafc0 (libc.so.6:malloc) redirected to 0x4c27890 (malloc)
--4224-- REDIR: 0x52d0650 (libc.so.6:strcpy) redirected to 0x4a23730
(_vgnU_ifunc_wrapper)
--4224-- REDIR: 0x52e5be0 (libc.so.6:__strcpy_sse2_unaligned) redirected to
0x4c2aa10 (strcpy)
--4224-- REDIR: 0x52cefa0 (libc.so.6:__GI_strchr) redirected to 0x4c2a7f0
(__GI_strchr)
--4224-- REDIR: 0x52cf1c0 (libc.so.6:strcmp) redirected to 0x4a23730
(_vgnU_ifunc_wrapper)
--4224-- REDIR: 0x52e0d70 (libc.so.6:__strcmp_sse2_unaligned) redirected to
0x4c2ab50 (strcmp)
--4224-- REDIR: 0x52cb600 (libc.so.6:free) redirected to 0x4c28b00 (free)
--4224-- REDIR: 0xffffffffff600400 (???:???) redirected to 0x38092e4d
(vgPlain_amd64_linux_REDIR_FOR_vtime)
--4224-- REDIR: 0x52d0690 (libc.so.6:__GI_strcpy) redirected to 0x4c2aa40
(__GI_strcpy)
--4224-- REDIR: 0x52cf200 (libc.so.6:__GI_strcmp) redirected to 0x4c2aba0
(__GI_strcmp)
--4224-- REDIR: 0x52cb690 (libc.so.6:realloc) redirected to 0x4c29b90 (realloc)
LCDd 0.5.7, LCDproc Protocol 0.3
Part of the LCDproc suite
Copyright (C) 1998-2014 William Ferrell, Selene Scriven
                        and many other contributors

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

--4224-- Reading syms from
/root/cf-ss-swap/lcdproc-0.5.7-ss-20161207-TN/server/drivers/CF63oddtf.so
--4224-- Reading syms from /usr/lib/x86_64-linux-gnu/libsensors.so.4.3.2
--4224--    object doesn't have a symbol table
--4224-- Reading syms from /lib/x86_64-linux-gnu/libm-2.19.so
--4224--   Considering /lib/x86_64-linux-gnu/libm-2.19.so ..
--4224--   .. CRC mismatch (computed 7d093d0d wanted d5c6ebc4)
--4224--   Considering /usr/lib/debug/lib/x86_64-linux-gnu/libm-2.19.so ..
--4224--   .. CRC is valid
--4224-- REDIR: 0x52cef70 (libc.so.6:index) redirected to 0x4a23730
(_vgnU_ifunc_wrapper)
==4224== WARNING: new redirection conflicts with existing -- ignoring it
--4224--     old: 0x052cefa0 (__GI_strchr         ) R-> (0000.0) 0x04c2a7f0
__GI_strchr
--4224--     new: 0x052cefa0 (__GI_strchr         ) R-> (0000.0) 0x04c2a7b0
index
--4224-- REDIR: 0x52d9790 (libc.so.6:memcpy@@GLIBC_2.14) redirected to
0x4a23730 (_vgnU_ifunc_wrapper)
--4224-- REDIR: 0x52d1030 (libc.so.6:strncmp) redirected to 0x4a23730
(_vgnU_ifunc_wrapper)
==4224== WARNING: new redirection conflicts with existing -- ignoring it
--4224--     old: 0x052cefa0 (__GI_strchr         ) R-> (0000.0) 0x04c2a7f0
__GI_strchr
--4224--     new: 0x052cefa0 (__GI_strchr         ) R-> (0000.0) 0x04c2a7b0
index
==4224== WARNING: new redirection conflicts with existing -- ignoring it
--4224--     old: 0x052cefa0 (__GI_strchr         ) R-> (0000.0) 0x04c2a7f0
__GI_strchr
--4224--     new: 0x052cefa0 (__GI_strchr         ) R-> (0000.0) 0x04c2a7b0
index
--4224-- REDIR: 0x52d3a20 (libc.so.6:strstr) redirected to 0x4a23730
(_vgnU_ifunc_wrapper)
--4224-- REDIR: 0x4018770 (ld-linux-x86-64.so.2:stpcpy) redirected to 0x4c2b3c0
(stpcpy)
--4224-- REDIR: 0xffffffffff600000 (???:???) redirected to 0x38092e43
(vgPlain_amd64_linux_REDIR_FOR_vgettimeofday)
--4224-- REDIR: 0x52e1020 (libc.so.6:__memcpy_sse2_unaligned) redirected to
0x4c2acd0 (memcpy)

--4224-- REDIR: 0x52db540 (libc.so.6:rawmemchr) redirected to 0x4c2b3f0
(rawmemchr)
--4224-- REDIR: 0x52d1080 (libc.so.6:__GI_strncmp) redirected to 0x4c2aae0
(__GI_strncmp)
--4224-- REDIR: 0x52d3c60 (libc.so.6:memchr) redirected to 0x4c2ac90 (memchr)
--4224-- REDIR: 0x52d0dd0 (libc.so.6:strnlen) redirected to 0x4c2a930 (strnlen)
--4224-- REDIR: 0x536e6c0 (libc.so.6:__strncmp_sse42) redirected to 0x4c2aa70
(strncmp)

exp-sgcheck: sg_main.c:560 (add_blocks_to_StackTree): Assertion
'!already_present' failed.

host stacktrace:
==4224==    at 0x3807BD8F: show_sched_status_wrk (m_libcassert.c:319)
==4224==    by 0x3807BE84: report_and_quit (m_libcassert.c:390)
==4224==    by 0x3807C006: vgPlain_assert_fail (m_libcassert.c:455)
==4224==    by 0x3807225B: add_blocks_to_StackTree (sg_main.c:560)
==4224==    by 0x380735BE: shadowStack_new_frame.isra.22 (sg_main.c:1875)
==4224==    by 0x805FB4A59: ???
==4224==    by 0x802C7DEEF: ???
==4224==    by 0x3806FECF: ??? (h_main.c:376)
==4224==    by 0x536935A: __nscd_get_mapping (nscd_helper.c:286)

sched status:
  running_tid=1

Thread 1: status = VgTs_Runnable
==4224==    at 0x5369398: __nscd_get_mapping (nscd_helper.c:293)
==4224==    by 0x536977B: __nscd_get_map_ref (nscd_helper.c:443)
==4224==    by 0x5366CC5: nscd_gethst_r (nscd_gethst_r.c:160)
==4224==    by 0x53674E8: __nscd_gethostbyname_r (nscd_gethst_r.c:47)
==4224==    by 0x5349035: gethostbyname_r@@GLIBC_2.2.5 (getXXbyYY_r.c:196)
==4224==    by 0x53486E5: gethostbyname (getXXbyYY.c:116)
==4224==    by 0x417423: sock_init_sockaddr (sockets.c:53)
==4224==    by 0x417506: sock_connect (sockets.c:84)
==4224==    by 0x5A11CC9: hdd_init (CF63oddtf.c:6414)
==4224==    by 0x59FF4AC: CF63oddtf_init (CF63oddtf.c:625)
==4224==    by 0x41540E: driver_load (driver.c:153)
==4224==    by 0x4145E2: drivers_load_driver (drivers.c:85)
==4224==    by 0x40811A: init_drivers (main.c:670)
==4224==    by 0x407344: main (main.c:237)

Thread 2: status = VgTs_WaitSys
==4224==    at 0x4E3D18D: ??? (syscall-template.S:81)
==4224==    by 0x5A0A495: listen_packets (CF63oddtf.c:3950)
==4224==    by 0x4E360A3: start_thread (pthread_create.c:309)


Note: see also the FAQ in the source distribution.

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