On Mon, Sep 05, 2016 at 11:10:53AM +0200, Paul Menzel wrote: > Dear Markus, > > > On 08/31/16 21:22, Markus Unterwaditzer wrote: > > On Wed, Aug 31, 2016 at 09:07:21PM +0200, Markus Unterwaditzer wrote: > > > On Wed, Aug 31, 2016 at 03:52:36PM +0200, Paul Menzel wrote: > > > > > On 08/30/16 19:32, Markus Unterwaditzer wrote: > > > > > > > > > On Tue, Aug 30, 2016 at 01:30:20PM +0200, Paul Menzel wrote: > > > > > > > None. > > > > > > > > > > > > How do you start dwm? > > > > > > > > > > A simple `dwm` in `.xinitrc`. You can view the entire setup here: > > > > > https://github.com/untitaker/dotfiles > > > > > > > > Did you already try running dwm under GDB? You could add it to the > > > > `.xinitrc` file and attach to GDB remotely I guess. > > > > Well, I have tried now! Attached is the entire session. > > > > > > I'm not sure what to look for. In another session I noticed that shortly > > > before > > > `drw_text` gets called `text` being a nullpointer. It appears that the > > > code is > > > designed to deal with this though. > > > > > > By the way, this time I reproduced this issue using: > > > > > > echo -e "\xe2\x9b\x93b" | xargs xsetroot -name > > > > > > Thanks for your help, > > > Markus > > > > Sorry, forgot the actual attachment. Here it is. > > No problem. Thank you very much for that. Unfortunately, I won’t have time > until the end of the week to look more into it. > > If you have time until then, could you please also run the process under > Valgrind, or build the stack with some sanitizers (address, undefined > behavior)? > > ``` > $ G_SLICE=always-malloc G_DEBUG=gc-friendly valgrind \ > -v \ > --tool=memcheck \ > --leak-check=full \ > --num-callers=40 \ > --log-file=valgrind.log \ > $(which <program>) <arguments> > ``` > > > Best regards, > > Paul > > > PS: By the way, you should be able to attach to running processes too. > > > [1] https://wiki.ubuntu.com/Valgrind >
Hello Paul, Attached is the valgrind.log. Thanks for your help, Markus
==26599== Memcheck, a memory error detector ==26599== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al. ==26599== Using Valgrind-3.11.0 and LibVEX; rerun with -h for copyright info ==26599== Command: /home/untitaker/.local/bin/dwm ==26599== Parent PID: 20697 ==26599== --26599-- --26599-- Valgrind options: --26599-- -v --26599-- --tool=memcheck --26599-- --leak-check=full --26599-- --num-callers=40 --26599-- --log-file=valgrind.log --26599-- Contents of /proc/version: --26599-- Linux version 4.7.2-1-ARCH (builduser@tobias) (gcc version 6.1.1 20160802 (GCC) ) #1 SMP PREEMPT Sat Aug 20 23:02:56 CEST 2016 --26599-- --26599-- Arch and hwcaps: AMD64, LittleEndian, amd64-cx16-lzcnt-rdtscp-sse3-avx-avx2-bmi --26599-- Page sizes: currently 4096, max supported 4096 --26599-- Valgrind library directory: /usr/lib/valgrind --26599-- Reading syms from /home/untitaker/.local/bin/dwm --26599-- Reading syms from /usr/lib/ld-2.24.so --26599-- Reading syms from /usr/lib/valgrind/memcheck-amd64-linux --26599-- object doesn't have a symbol table --26599-- object doesn't have a dynamic symbol table --26599-- Scheduler: using generic scheduler lock implementation. --26599-- Reading suppressions file: /usr/lib/valgrind/default.supp ==26599== embedded gdbserver: reading from /tmp/vgdb-pipe-from-vgdb-to-26599-by-untitaker-on-??? ==26599== embedded gdbserver: writing to /tmp/vgdb-pipe-to-vgdb-from-26599-by-untitaker-on-??? ==26599== embedded gdbserver: shared mem /tmp/vgdb-pipe-shared-mem-vgdb-26599-by-untitaker-on-??? ==26599== ==26599== TO CONTROL THIS PROCESS USING vgdb (which you probably ==26599== don't want to do, unless you know exactly what you're doing, ==26599== or are doing some strange experiment): ==26599== /usr/lib/valgrind/../../bin/vgdb --pid=26599 ...command... ==26599== ==26599== TO DEBUG THIS PROCESS USING GDB: start GDB like this ==26599== /path/to/gdb /home/untitaker/.local/bin/dwm ==26599== and then give GDB the following command ==26599== target remote | /usr/lib/valgrind/../../bin/vgdb --pid=26599 ==26599== --pid is optional if only one valgrind process is running ==26599== --26599-- REDIR: 0x401aad0 (ld-linux-x86-64.so.2:strlen) redirected to 0x3809d191 (???) --26599-- Reading syms from /usr/lib/valgrind/vgpreload_core-amd64-linux.so --26599-- object doesn't have a symbol table --26599-- Reading syms from /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so --26599-- object doesn't have a symbol table ==26599== WARNING: new redirection conflicts with existing -- ignoring it --26599-- old: 0x0401aad0 (strlen ) R-> (0000.0) 0x3809d191 ??? --26599-- new: 0x0401aad0 (strlen ) R-> (2007.0) 0x04c2ce50 strlen --26599-- REDIR: 0x4019640 (ld-linux-x86-64.so.2:strcmp) redirected to 0x4c2df50 (strcmp) --26599-- REDIR: 0x4019420 (ld-linux-x86-64.so.2:index) redirected to 0x4c2ca00 (index) --26599-- REDIR: 0x401b5e0 (ld-linux-x86-64.so.2:mempcpy) redirected to 0x4c312e0 (mempcpy) --26599-- REDIR: 0x401b8b0 (ld-linux-x86-64.so.2:stpcpy) redirected to 0x4c302b0 (stpcpy) --26599-- Reading syms from /usr/lib/libgtk3-nocsd.so.0 --26599-- object doesn't have a symbol table --26599-- Reading syms from /usr/lib/libX11.so.6.3.0 --26599-- object doesn't have a symbol table --26599-- Reading syms from /usr/lib/libXinerama.so.1.0.0 --26599-- object doesn't have a symbol table --26599-- Reading syms from /usr/lib/libfontconfig.so.1.9.2 --26599-- object doesn't have a symbol table --26599-- Reading syms from /usr/lib/libXft.so.2.3.2 --26599-- object doesn't have a symbol table --26599-- Reading syms from /usr/lib/libc-2.24.so --26599-- Reading syms from /usr/lib/libdl-2.24.so --26599-- object doesn't have a symbol table --26599-- Reading syms from /usr/lib/libpthread-2.24.so --26599-- Reading syms from /usr/lib/libxcb.so.1.1.0 --26599-- object doesn't have a symbol table --26599-- Reading syms from /usr/lib/libXext.so.6.4.0 --26599-- object doesn't have a symbol table --26599-- Reading syms from /usr/lib/libfreetype.so.6.12.5 --26599-- object doesn't have a symbol table --26599-- Reading syms from /usr/lib/libexpat.so.1.6.2 --26599-- object doesn't have a symbol table --26599-- Reading syms from /usr/lib/libXrender.so.1.3.0 --26599-- object doesn't have a symbol table --26599-- Reading syms from /usr/lib/libXau.so.6.0.0 --26599-- object doesn't have a symbol table --26599-- Reading syms from /usr/lib/libXdmcp.so.6.0.0 --26599-- object doesn't have a symbol table --26599-- Reading syms from /usr/lib/libz.so.1.2.8 --26599-- object doesn't have a symbol table --26599-- Reading syms from /usr/lib/libbz2.so.1.0.6 --26599-- object doesn't have a symbol table --26599-- Reading syms from /usr/lib/libpng16.so.16.24.0 --26599-- object doesn't have a symbol table --26599-- Reading syms from /usr/lib/libharfbuzz.so.0.10300.0 --26599-- object doesn't have a symbol table --26599-- Reading syms from /usr/lib/libm-2.24.so --26599-- object doesn't have a symbol table --26599-- Reading syms from /usr/lib/libglib-2.0.so.0.4800.2 --26599-- object doesn't have a symbol table --26599-- Reading syms from /usr/lib/libgraphite2.so.3.0.1 --26599-- object doesn't have a symbol table --26599-- Reading syms from /usr/lib/libpcre.so.1.2.7 --26599-- object doesn't have a symbol table --26599-- REDIR: 0x5a5d4d0 (libc.so.6:strcasecmp) redirected to 0x4a256ae (_vgnU_ifunc_wrapper) --26599-- REDIR: 0x5a58f80 (libc.so.6:strcspn) redirected to 0x4a256ae (_vgnU_ifunc_wrapper) --26599-- REDIR: 0x5a5f7c0 (libc.so.6:strncasecmp) redirected to 0x4a256ae (_vgnU_ifunc_wrapper) --26599-- REDIR: 0x5a5b3f0 (libc.so.6:strpbrk) redirected to 0x4a256ae (_vgnU_ifunc_wrapper) --26599-- REDIR: 0x5a5b780 (libc.so.6:strspn) redirected to 0x4a256ae (_vgnU_ifunc_wrapper) --26599-- REDIR: 0x5a5cb50 (libc.so.6:memmove) redirected to 0x4a256ae (_vgnU_ifunc_wrapper) --26599-- REDIR: 0x5a59820 (libc.so.6:strncmp) redirected to 0x4a256ae (_vgnU_ifunc_wrapper) --26599-- REDIR: 0x5a5b100 (libc.so.6:rindex) redirected to 0x4c2c6e0 (rindex) --26599-- REDIR: 0x5a59420 (libc.so.6:strlen) redirected to 0x4c2cd90 (strlen) --26599-- REDIR: 0x5a59870 (libc.so.6:__GI_strncmp) redirected to 0x4c2d540 (__GI_strncmp) --26599-- REDIR: 0x5afe6d0 (libc.so.6:__strcasecmp_avx) redirected to 0x4c2d690 (strcasecmp) --26599-- REDIR: 0x5afe480 (libc.so.6:__strpbrk_sse42) redirected to 0x4c31620 (strpbrk) --26599-- REDIR: 0x5a53cf0 (libc.so.6:malloc) redirected to 0x4c29b50 (malloc) --26599-- REDIR: 0x5a546e0 (libc.so.6:calloc) redirected to 0x4c2b9c4 (calloc) --26599-- REDIR: 0x5a57a10 (libc.so.6:__GI_strcmp) redirected to 0x4c2de60 (__GI_strcmp) --26599-- REDIR: 0x5a5c3c0 (libc.so.6:memchr) redirected to 0x4c2dff0 (memchr) --26599-- REDIR: 0x5a577b0 (libc.so.6:__GI_strchr) redirected to 0x4c2c840 (__GI_strchr) --26599-- REDIR: 0x5a634d0 (libc.so.6:strchrnul) redirected to 0x4c30e10 (strchrnul) --26599-- REDIR: 0x5a5cc40 (libc.so.6:__GI_mempcpy) redirected to 0x4c31010 (__GI_mempcpy) --26599-- REDIR: 0x5a5cc60 (libc.so.6:memcpy@GLIBC_2.2.5) redirected to 0x4c2e0b0 (memcpy@GLIBC_2.2.5) --26599-- REDIR: 0x5a542f0 (libc.so.6:free) redirected to 0x4c2ad22 (free) --26599-- REDIR: 0x5a5d360 (libc.so.6:__GI_stpcpy) redirected to 0x4c2ff70 (__GI_stpcpy) --26599-- REDIR: 0x5a5c190 (libc.so.6:strstr) redirected to 0x4a256ae (_vgnU_ifunc_wrapper) --26599-- REDIR: 0x5a71570 (libc.so.6:__strstr_sse2_unaligned) redirected to 0x4c314d0 (strstr) --26599-- REDIR: 0x5a58e60 (libc.so.6:strcpy) redirected to 0x4a256ae (_vgnU_ifunc_wrapper) --26599-- REDIR: 0x5a6ced0 (libc.so.6:__strcpy_sse2_unaligned) redirected to 0x4c2ce70 (strcpy) --26599-- REDIR: 0x5a61ec0 (libc.so.6:memcpy@@GLIBC_2.14) redirected to 0x4a256ae (_vgnU_ifunc_wrapper) --26599-- REDIR: 0x5b01780 (libc.so.6:__memcpy_avx_unaligned_erms) redirected to 0x4c30570 (memmove) --26599-- REDIR: 0x5a57780 (libc.so.6:index) redirected to 0x4a256ae (_vgnU_ifunc_wrapper) --26599-- REDIR: 0x5a5c710 (libc.so.6:bcmp) redirected to 0x4a256ae (_vgnU_ifunc_wrapper) --26599-- REDIR: 0x5b1c6d0 (libc.so.6:__memcmp_sse4_1) redirected to 0x4c2fc90 (__memcmp_sse4_1) --26599-- REDIR: 0x5a5b0c0 (libc.so.6:strncpy) redirected to 0x4a256ae (_vgnU_ifunc_wrapper) --26599-- REDIR: 0x5a6d500 (libc.so.6:__strncpy_sse2_unaligned) redirected to 0x4c2d3a0 (__strncpy_sse2_unaligned) --26599-- REDIR: 0x5a5bd20 (libc.so.6:__GI_strstr) redirected to 0x4c31540 (__strstr_sse2) --26599-- REDIR: 0x5a579d0 (libc.so.6:strcmp) redirected to 0x4a256ae (_vgnU_ifunc_wrapper) --26599-- REDIR: 0x5a68280 (libc.so.6:__strcmp_sse2_unaligned) redirected to 0x4c2de10 (strcmp) --26599-- REDIR: 0x5a543a0 (libc.so.6:realloc) redirected to 0x4c2bb90 (realloc) --26599-- REDIR: 0x5acf380 (libc.so.6:__strcpy_chk) redirected to 0x4c30e80 (__strcpy_chk) --26599-- REDIR: 0x5af97e0 (libc.so.6:__strncmp_sse42) redirected to 0x4c2d620 (__strncmp_sse42) --26599-- REDIR: 0x5a5d000 (libc.so.6:memset) redirected to 0x4a256ae (_vgnU_ifunc_wrapper) --26599-- REDIR: 0x5b01bc0 (libc.so.6:__memset_avx2_unaligned_erms) redirected to 0x4c304b0 (memset) --26599-- REDIR: 0x5a632c0 (libc.so.6:rawmemchr) redirected to 0x4c30e40 (rawmemchr) --26599-- REDIR: 0x5a5d320 (libc.so.6:stpcpy) redirected to 0x4a256ae (_vgnU_ifunc_wrapper) --26599-- REDIR: 0x5a6e4e0 (libc.so.6:__stpcpy_sse2_unaligned) redirected to 0x4c30110 (__stpcpy_sse2_unaligned) --26599-- REDIR: 0x5a57580 (libc.so.6:strcat) redirected to 0x4a256ae (_vgnU_ifunc_wrapper) --26599-- REDIR: 0x5a6fcf0 (libc.so.6:__strcat_sse2_unaligned) redirected to 0x4c2ca40 (strcat) --26599-- REDIR: 0x5aceff0 (libc.so.6:__memcpy_chk) redirected to 0x4a256ae (_vgnU_ifunc_wrapper) --26599-- REDIR: 0x5b01770 (libc.so.6:__memcpy_chk_avx_unaligned_erms) redirected to 0x4c313d0 (__memcpy_chk) --26599-- Reading syms from /usr/lib/libXcursor.so.1.0.2 --26599-- object doesn't have a symbol table --26599-- Reading syms from /usr/lib/libXfixes.so.3.1.0 --26599-- object doesn't have a symbol table ==26599== Syscall param writev(vector[...]) points to uninitialised byte(s) ==26599== at 0x5AB9B60: __writev_nocancel (in /usr/lib/libc-2.24.so) ==26599== by 0x61A4BAC: ??? (in /usr/lib/libxcb.so.1.1.0) ==26599== by 0x61A4FAC: ??? (in /usr/lib/libxcb.so.1.1.0) ==26599== by 0x61A502C: xcb_writev (in /usr/lib/libxcb.so.1.1.0) ==26599== by 0x507C18D: _XSend (in /usr/lib/libX11.so.6.3.0) ==26599== by 0x507C681: _XReply (in /usr/lib/libX11.so.6.3.0) ==26599== by 0x507811C: XSync (in /usr/lib/libX11.so.6.3.0) ==26599== by 0x403A94: drw_map (drw.c:395) ==26599== by 0x405C84: drawbar (dwm.c:741) ==26599== by 0x405CA8: drawbars (dwm.c:749) ==26599== by 0x405FBD: focus (dwm.c:803) ==26599== by 0x40702D: manage (dwm.c:1065) ==26599== by 0x4083F3: scan (dwm.c:1372) ==26599== by 0x40AD2F: main (dwm.c:2068) ==26599== Address 0x8487da0 is 32 bytes inside a block of size 16,384 alloc'd ==26599== at 0x4C2BA4A: calloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==26599== by 0x506C4E1: XOpenDisplay (in /usr/lib/libX11.so.6.3.0) ==26599== by 0x40ACFE: main (dwm.c:2064) ==26599== --26599-- memcheck GC: 1000 nodes, 79 survivors (7.9%) ==26599== ==26599== HEAP SUMMARY: ==26599== in use at exit: 997,847 bytes in 5,774 blocks ==26599== total heap usage: 15,052 allocs, 9,278 frees, 3,142,098 bytes allocated ==26599== ==26599== Searching for pointers to 5,774 not-freed blocks ==26599== Checked 1,204,008 bytes ==26599== ==26599== 384 (256 direct, 128 indirect) bytes in 1 blocks are definitely lost in loss record 296 of 405 ==26599== at 0x4C29BBE: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==26599== by 0x559CEF9: ??? (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x559D651: ??? (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x559DA0B: FcPatternAddDouble (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x57CA6FD: ??? (in /usr/lib/libXft.so.2.3.2) ==26599== by 0x57CAFB4: ??? (in /usr/lib/libXft.so.2.3.2) ==26599== by 0x57CA95E: ??? (in /usr/lib/libXft.so.2.3.2) ==26599== by 0x57CAAC5: ??? (in /usr/lib/libXft.so.2.3.2) ==26599== by 0x57CAEDD: XftDefaultHasRender (in /usr/lib/libXft.so.2.3.2) ==26599== by 0x57CB40F: XftDefaultSubstitute (in /usr/lib/libXft.so.2.3.2) ==26599== by 0x57CDD44: XftFontMatch (in /usr/lib/libXft.so.2.3.2) ==26599== by 0x57CE026: XftFontOpenName (in /usr/lib/libXft.so.2.3.2) ==26599== by 0x402C96: drw_font_xcreate (drw.c:118) ==26599== by 0x402E8D: drw_load_fonts (drw.c:158) ==26599== by 0x408C83: setup (dwm.c:1512) ==26599== by 0x40AD2A: main (dwm.c:2067) ==26599== ==26599== 585 (512 direct, 73 indirect) bytes in 2 blocks are definitely lost in loss record 318 of 405 ==26599== at 0x4C29BBE: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==26599== by 0x559CEF9: ??? (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x559D651: ??? (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x559EB0A: ??? (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x55A518F: ??? (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x6897E2A: ??? (in /usr/lib/libexpat.so.1.6.2) ==26599== by 0x68987DB: ??? (in /usr/lib/libexpat.so.1.6.2) ==26599== by 0x689A0DD: ??? (in /usr/lib/libexpat.so.1.6.2) ==26599== by 0x689A814: ??? (in /usr/lib/libexpat.so.1.6.2) ==26599== by 0x689CB0E: XML_ParseBuffer (in /usr/lib/libexpat.so.1.6.2) ==26599== by 0x55A339A: FcConfigParseAndLoad (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x55A36A6: FcConfigParseAndLoad (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x55A4002: ??? (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x6897E2A: ??? (in /usr/lib/libexpat.so.1.6.2) ==26599== by 0x68987DB: ??? (in /usr/lib/libexpat.so.1.6.2) ==26599== by 0x689A0DD: ??? (in /usr/lib/libexpat.so.1.6.2) ==26599== by 0x689A814: ??? (in /usr/lib/libexpat.so.1.6.2) ==26599== by 0x689CB0E: XML_ParseBuffer (in /usr/lib/libexpat.so.1.6.2) ==26599== by 0x55A339A: FcConfigParseAndLoad (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x55963E7: ??? (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x5596645: ??? (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x5589D5C: ??? (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x5589D98: ??? (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x57D1352: XftInit (in /usr/lib/libXft.so.2.3.2) ==26599== by 0x57CDCFC: XftFontMatch (in /usr/lib/libXft.so.2.3.2) ==26599== by 0x57CE026: XftFontOpenName (in /usr/lib/libXft.so.2.3.2) ==26599== by 0x402C96: drw_font_xcreate (drw.c:118) ==26599== by 0x402E8D: drw_load_fonts (drw.c:158) ==26599== by 0x408C83: setup (dwm.c:1512) ==26599== by 0x40AD2A: main (dwm.c:2067) ==26599== ==26599== 1,654 (1,280 direct, 374 indirect) bytes in 5 blocks are definitely lost in loss record 355 of 405 ==26599== at 0x4C29BBE: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==26599== by 0x559CEF9: ??? (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x559D651: ??? (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x559DA41: ??? (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x559B904: FcNameParse (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x402CBA: drw_font_xcreate (drw.c:119) ==26599== by 0x402E8D: drw_load_fonts (drw.c:158) ==26599== by 0x408C83: setup (dwm.c:1512) ==26599== by 0x40AD2A: main (dwm.c:2067) ==26599== ==26599== 2,462 (768 direct, 1,694 indirect) bytes in 1 blocks are definitely lost in loss record 369 of 405 ==26599== at 0x4C2BC14: realloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==26599== by 0x559CE4A: ??? (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x559D531: ??? (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x559A55A: FcFontRenderPrepare (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x559A82F: FcFontMatch (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x57CDD5A: XftFontMatch (in /usr/lib/libXft.so.2.3.2) ==26599== by 0x40392E: drw_text (drw.c:364) ==26599== by 0x405BAE: drawbar (dwm.c:733) ==26599== by 0x40797D: propertynotify (dwm.c:1225) ==26599== by 0x4082CC: run (dwm.c:1357) ==26599== by 0x40AD34: main (dwm.c:2069) ==26599== ==26599== 12,076 (3,840 direct, 8,236 indirect) bytes in 5 blocks are definitely lost in loss record 396 of 405 ==26599== at 0x4C2BC14: realloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==26599== by 0x559CE4A: ??? (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x559D531: ??? (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x559A55A: FcFontRenderPrepare (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x559A82F: FcFontMatch (in /usr/lib/libfontconfig.so.1.9.2) ==26599== by 0x57CDD5A: XftFontMatch (in /usr/lib/libXft.so.2.3.2) ==26599== by 0x57CE026: XftFontOpenName (in /usr/lib/libXft.so.2.3.2) ==26599== by 0x402C96: drw_font_xcreate (drw.c:118) ==26599== by 0x402E8D: drw_load_fonts (drw.c:158) ==26599== by 0x408C83: setup (dwm.c:1512) ==26599== by 0x40AD2A: main (dwm.c:2067) ==26599== ==26599== LEAK SUMMARY: ==26599== definitely lost: 6,656 bytes in 14 blocks ==26599== indirectly lost: 10,505 bytes in 363 blocks ==26599== possibly lost: 0 bytes in 0 blocks ==26599== still reachable: 980,686 bytes in 5,397 blocks ==26599== suppressed: 0 bytes in 0 blocks ==26599== Reachable blocks (those to which a pointer was found) are not shown. ==26599== To see them, rerun with: --leak-check=full --show-leak-kinds=all ==26599== ==26599== Use --track-origins=yes to see where uninitialised values come from ==26599== ERROR SUMMARY: 18 errors from 6 contexts (suppressed: 0 from 0) ==26599== ==26599== 13 errors in context 1 of 6: ==26599== Syscall param writev(vector[...]) points to uninitialised byte(s) ==26599== at 0x5AB9B60: __writev_nocancel (in /usr/lib/libc-2.24.so) ==26599== by 0x61A4BAC: ??? (in /usr/lib/libxcb.so.1.1.0) ==26599== by 0x61A4FAC: ??? (in /usr/lib/libxcb.so.1.1.0) ==26599== by 0x61A502C: xcb_writev (in /usr/lib/libxcb.so.1.1.0) ==26599== by 0x507C18D: _XSend (in /usr/lib/libX11.so.6.3.0) ==26599== by 0x507C681: _XReply (in /usr/lib/libX11.so.6.3.0) ==26599== by 0x507811C: XSync (in /usr/lib/libX11.so.6.3.0) ==26599== by 0x403A94: drw_map (drw.c:395) ==26599== by 0x405C84: drawbar (dwm.c:741) ==26599== by 0x405CA8: drawbars (dwm.c:749) ==26599== by 0x405FBD: focus (dwm.c:803) ==26599== by 0x40702D: manage (dwm.c:1065) ==26599== by 0x4083F3: scan (dwm.c:1372) ==26599== by 0x40AD2F: main (dwm.c:2068) ==26599== Address 0x8487da0 is 32 bytes inside a block of size 16,384 alloc'd ==26599== at 0x4C2BA4A: calloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==26599== by 0x506C4E1: XOpenDisplay (in /usr/lib/libX11.so.6.3.0) ==26599== by 0x40ACFE: main (dwm.c:2064) ==26599== ==26599== ERROR SUMMARY: 18 errors from 6 contexts (suppressed: 0 from 0)
