Date: Mon, 29 Mar 2021 12:12:55 -0700 From: Henric Jungheim <software@henric.org> To: FreeBSD-current@freebsd.org Subject: 13.0-RC3 bison causes tputs SIGSEGV Message-ID: <YGImt%2BhzWnQTUjz/@mail.henric.info>
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I ran into a bit of an odd problem when building the
sysutils/grub2-bhyve port on 13.0-RC3 (on x64). The bison command
dumps core when the output is going to a console. Redirecting the
build output to a file avoids the problem. I'm not sure if this is
an ncurses issue, a port issue (and which port?), my box, or
something else (clang?).
This is what the tail end of the port build looks like:
...
grub-mkfont: No (explicitly disabled)
grub-mount: No (explicitly disabled)
starfield theme: No (No grub-mkfont)
With libzfs support: Yes
*******************************************************
===> Building for grub2-bhyve-0.40_8
gmake[1]: Entering directory '/usr/ports/sysutils/grub2-bhyve/work/grub2-bhyve-0.40'
bison -d -p grub_script_yy -b grub_script ./grub-core/script/parser.y
./grub-core/script/parser.y:94.1-12: warning: deprecated directive: '%pure-parser', use '%define api.pure' [
And here's what lldb has to say:
sysutils/grub2-bhyve/work/grub2-bhyve-0.40>lldb -- /usr/local/bin/bison -d -p grub_script_yy -b grub_script ./grub-core/script/parser.y
(lldb) target create "/usr/local/bin/bison"
Current executable set to '/usr/local/bin/bison' (x86_64).
(lldb) settings set -- target.run-args "-d" "-p" "grub_script_yy" "-b" "grub_script" "./grub-core/script/parser.y"
(lldb) run
Process 50108 launching
Process 50108 launched: '/usr/local/bin/bison' (x86_64)
./grub-core/script/parser.y:94.1-12: warning: deprecated directive: %pure-parser, use %define api.pure [signal SIGSEGV: invalid address (fault address: 0x0)
frame #0: 0x0000000000000000
error: Bad address
(lldb) bt
* thread #1, name = 'bison', stop reason = signal SIGSEGV: invalid address (fault address: 0x0)
* frame #0: 0x0000000000000000
frame #1: 0x0000000800c1930a libncursesw.so.9`delay_output_sp + 234
frame #2: 0x0000000800c19b81 libncursesw.so.9`tputs_sp + 1377
frame #3: 0x0000000800c19cfb libncursesw.so.9`tputs + 123
frame #4: 0x0000000800702dbc libtextstyle.so.0`___lldb_unnamed_symbol149$$libtextstyle.so.0 + 92
frame #5: 0x00000008007037ff libtextstyle.so.0`___lldb_unnamed_symbol152$$libtextstyle.so.0 + 943
frame #6: 0x00000008007030cf libtextstyle.so.0`___lldb_unnamed_symbol151$$libtextstyle.so.0 + 543
frame #7: 0x0000000800700d00 libtextstyle.so.0`___lldb_unnamed_symbol125$$libtextstyle.so.0 + 32
frame #8: 0x0000000000407295 bison`___lldb_unnamed_symbol160$$bison + 1669
frame #9: 0x0000000000407d75 bison`___lldb_unnamed_symbol177$$bison + 149
frame #10: 0x000000000040805d bison`___lldb_unnamed_symbol181$$bison + 109
frame #11: 0x000000000042803f bison`___lldb_unnamed_symbol403$$bison + 7679
frame #12: 0x000000000042e9c8 bison`___lldb_unnamed_symbol459$$bison + 56
frame #13: 0x0000000000403743 bison`___lldb_unnamed_symbol130$$bison + 291
frame #14: 0x0000000000403be0 bison`___lldb_unnamed_symbol130$$bison + 1472
(lldb)
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