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Segfault on IRIX #744

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p5pRT opened this issue Oct 20, 1999 · 2 comments
Closed

Segfault on IRIX #744

p5pRT opened this issue Oct 20, 1999 · 2 comments
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distro-irix type-library

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@p5pRT
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p5pRT commented Oct 20, 1999

Migrated from rt.perl.org#1667 (status was 'resolved')

Searchable as RT1667$
@p5pRT
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p5pRT commented Oct 20, 1999

From jarausch@numa1.igpm.rwth-aachen.de

Trying to run (pure perl no .xs)

perl -MDevel​::ptkdb -e0 (version Devel-ptkdb-1.106 / Tk800.015)
I get
(dbx) run -MDevel​::ptkdb -e0
Process 133037 (perl) started
Process 133037​: region 0 zero size ignoredl
Process 133037​: region 0 zero size ignoredl
Process 133037​: region 0 zero size ignoredl
Process 133037 (perl) stopped on signal SIGSEGV​: Segmentation violation (default) at [Perl_peep​:6190 +0x8,0x5ff06480]
6190 if (o->op_next->op_type != OP_LEAVESUBLV) {
(dbx) where

0 Perl_peep(o = 0x101ab470) ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/op.c"​:6190, 0x5ff06480]
  1 Perl_peep(o = 0x101ac5a0) ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/op.c"​:6104, 0x5ff05e04]
  2 Perl_peep(o = 0x101ac560) ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/op.c"​:6104, 0x5ff05e04]
  3 Perl_peep(o = 0x101ac480) ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/op.c"​:6104, 0x5ff05e04]
  4 Perl_peep(o = 0x101ac440) ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/op.c"​:6104, 0x5ff05e04]
  5 Perl_peep(o = 0x101ac360) ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/op.c"​:6104, 0x5ff05e04]
  6 Perl_peep(o = 0x101ac320) ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/op.c"​:6104, 0x5ff05e04]
  7 Perl_ck_sort(o = 0x101ab500) ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/op.c"​:5612, 0x5ff03e6c]
  8 Perl_convert(type = 150, flags = 64, o = 0x101ab500) ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/op.c"​:2180, 0x5fef525c]
  9 Perl_yyparse() ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/perly.y"​:395, 0x5feeb6d0]
  10 S_doeval(gimme = 0, startop = (nil)) ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/pp_ctl.c"​:2627, 0x5ff8a0e0]
  11 Perl_pp_require() ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/pp_ctl.c"​:3023, 0x5ff8c30c]
  12 Perl_runops_standard() ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/run.c"​:25, 0x5ff332b4]
  13 S_call_xbody(myop = 0x7fff2050, is_eval = 0) ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/perl.c"​:1356, 0x5feb5a20]
  14 S_call_body(args = 0x7fff1c08 = "") ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/perl.c"​:1340, 0x5feb597c]
  15 Perl_vdefault_protect(pcur_env = 0x7fff1c30, excpt = 0x7fff2084, body = 0x5feb5910, args = 0x7fff1bc0) ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/scope.c"​:45, 0x5ff76cd8]
  16 Perl_default_protect(pcur_env = 0x7fff1c30, excpt = 0x7fff2084, body = 0x5feb5910, ... = <void>) ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/scope.c"​:26, 0x5ff76bb4]
  17 Perl_call_sv(sv = 0x10027364, flags = 6) ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/perl.c"​:1274, 0x5feb555c]
  18 S_call_list_body(args = 0x7fff21f0 = "") ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/perl.c"​:3056, 0x5febaff4]
  19 Perl_vdefault_protect(pcur_env = 0x7fff2218, excpt = 0x7fff2638, body = 0x5febaf50, args = 0x7fff21b0) ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/scope.c"​:45, 0x5ff76cd8]
  20 Perl_default_protect(pcur_env = 0x7fff2218, excpt = 0x7fff2638, body = 0x5febaf50, ... = <void>) ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/scope.c"​:26, 0x5ff76bb4]
  21 Perl_call_list(oldscope = 1, paramList = 0x100273f4) ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/perl.c"​:2999, 0x5febaa8c]
  22 Perl_newATTRSUB(floor = 81, o = 0x1001ea20, proto = (nil), attrs = (nil), block = 0x10028880) ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/op.c"​:4370, 0x5fefef60]
  23 Perl_utilize(aver = 1, floor = 81, version = (nil), id = 0x1001e9a0, arg = (nil)) ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/op.c"​:2992, 0x5fef8a54]
  24 Perl_yyparse() ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/perly.y"​:377, 0x5feeb5a8]
  25 S_parse_body(args = 0x7fff2a58 = "") ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/perl.c"​:965, 0x5feb3edc]
  26 Perl_vdefault_protect(pcur_env = 0x7fff2a70, excpt = 0x7fff2e90, body = 0x5feb2d90, args = 0x7fff2a10) ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/scope.c"​:45, 0x5ff76cd8]
  27 Perl_default_protect(pcur_env = 0x7fff2a70, excpt = 0x7fff2e90, body = 0x5feb2d90, ... = <void>) ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/scope.c"​:26, 0x5ff76bb4]
  28 perl_parse(my_perl = 0x10015010, xsinit = 0x100018b0, argc = 3, argv = 0x7fff2f44, env = (nil)) ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/perl.c"​:642, 0x5feb2bec]
  29 main(argc = 3, argv = 0x7fff2f44, env = 0x7fff2f54) ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/perlmain.c"​:51, 0x10001828]
  30 __start() ["/xlv55/kudzu-apr12/work/irix/lib/libc/libc_n32_M4/csu/crt1text.s"​:177, 0x10001758]

Perl Info 


Site configuration information for perl 5.00562:

Configured by jarausch at Wed Oct 20 17:12:17 CST 1999.

Summary of my perl5 (revision 5.0 version 5 subversion 62) configuration:
  Platform:
    osname=irix, osvers=6.5, archname=IP26-irix
    uname='irix64 numa1 6.5 07151439 ip26 '
    config_args='-Dcc=cc -Dprefix=/usr/LOCAL -Dlocincpth=/usr/LOCAL/include -Dloclibpth=/usr/LOCAL/lib'
    hint=previous, useposix=true, d_sigaction=define
    usethreads=undef useperlio=undef d_sfio=undef
    use64bits=undef usemultiplicity=undef
  Compiler:
    cc='cc', optimize='-g', gccversion=
    cppflags='-D_BSD_TYPES -D_BSD_TIME -I/usr/LOCAL/include -DLANGUAGE_C'
    ccflags ='-D_BSD_TYPES -D_BSD_TIME -woff 1009,1110,1184 -I/usr/LOCAL/include -DLANGUAGE_C'
    stdchar='unsigned char', d_stdstdio=define, usevfork=false
    intsize=4, longsize=4, ptrsize=4, doublesize=8
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16
    alignbytes=8, usemymalloc=y, prototype=define
  Linker and Libraries:
    ld='cc -n32', ldflags ='-mips4 -Wl,-woff,84 -L/usr/LOCAL/lib'
    libpth=/usr/LOCAL/lib /usr/lib32 /lib32
    libs=-lgdbm -ldb -lm -lc
    libc=/usr/lib32/libc.so, so=so, useshrplib=true, libperl=libperl.so
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-rpath,/usr/LOCAL/lib/perl5/5.00562/IP26-irix/CORE'
    cccdlflags=' ', lddlflags='-n32 -shared -L/usr/LOCAL/lib'

Locally applied patches:
    


@INC for perl 5.00562:
    /usr/LOCAL/lib/perl5/5.00562/IP26-irix
    /usr/LOCAL/lib/perl5/5.00562
    /usr/LOCAL/lib/site_perl/5.00562/IP26-irix
    /usr/LOCAL/lib/site_perl
    .


Environment for perl 5.00562:
    HOME=/usr/people/jarausch
    LANG=C
    LANGUAGE (unset)
    LD_LIBRARY_PATH (unset)
    LOGDIR (unset)
    PATH=.:/usr/people/jarausch/bin:/usr/PRIVATE/bin:/usr/LOCAL/bin:/usr/LOCAL/teTeX/bin:/usr/bin:/usr/bsd:/bin:/usr/bin/X11:/usr/local/bin:/usr/local/bin/X11:/usr/sbin:/usr/demos/bin
    PERL_BADLANG (unset)
    SHELL=/bin/zsh

@p5pRT
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p5pRT commented Oct 20, 1999

From @gsar

On Wed, 20 Oct 1999 17​:37​:10 +0200, Helmut Jarausch wrote​:

perl -MDevel​::ptkdb -e0 (version Devel-ptkdb-1.106 / Tk800.015)
I get
(dbx) run -MDevel​::ptkdb -e0
Process 133037 (perl) started
Process 133037​: region 0 zero size ignoredl
Process 133037​: region 0 zero size ignoredl
Process 133037​: region 0 zero size ignoredl
Process 133037 (perl) stopped on signal SIGSEGV​: Segmentation violation (default) at [Pe
rl_peep​:6190 +0x8,0x5ff06480]
6190 if (o->op_next->op_type != OP_LEAVESUBLV) {
(dbx) where

0 Perl_peep(o = 0x101ab470) ["/USR/people/jarausch/Perl/Source/perl5.005_62_G/op.c"​:6
190, 0x5ff06480]

Here's a patch.

Sarathy
gsar@​ActiveState.com

Inline Patch 
-----------------------------------8<-----------------------------------
Change 4417 by gsar@auger on 1999/10/20 23:45:03

	avoid coredump on C<sort { my $c; return $a cmp $b } ...>

Affected files ...

... //depot/perl/op.c#204 edit

Differences ...

==== //depot/perl/op.c#204 (text) ====
Index: perl/op.c
--- perl/op.c.~1~	Wed Oct 20 16:45:08 1999
+++ perl/op.c	Wed Oct 20 16:45:08 1999
@@ -6187,7 +6187,7 @@
 	    break;
 
 	case OP_RETURN:
-	    if (o->op_next->op_type != OP_LEAVESUBLV) {
+	    if (o->op_next && o->op_next->op_type != OP_LEAVESUBLV) {
 		o->op_seq = PL_op_seqmax++;
 		break;
 	    }
End of Patch.

Change 4418 by gsar@auger on 1999/10/20 23:49:47

	add test for change#4417

Affected files ...

... //depot/perl/t/op/sort.t#14 edit

Differences ...

==== //depot/perl/t/op/sort.t#14 (xtext) ====
Index: perl/t/op/sort.t
--- perl/t/op/sort.t.~1~	Wed Oct 20 16:49:52 1999
+++ perl/t/op/sort.t	Wed Oct 20 16:49:52 1999
@@ -163,7 +163,10 @@
 
 ## exercise sort builtins... ($a <=> $b already tested)
 @a = ( 5, 19, 1996, 255, 90 );
-@b = sort { $b <=> $a } @a;
+@b = sort {
+    my $dummy;		# force blockness
+    return $b <=> $a
+} @a;
 print ("@b" eq '1996 255 90 19 5' ? "ok 30\n" : "not ok 30\n");
 print "# x = '@b'\n";
 $x = join('', sort { $a cmp $b } @harry);
End of Patch.

@p5pRT p5pRT closed this as completed Nov 28, 2003
@p5pRT p5pRT mentioned this issue Oct 19, 2019
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