Public bug reported:
OS: Ubuntu Trusty Tahr 14.04
Kernel: 3.13.0-16-generic #36-Ubuntu SMP Tue Mar 4 23:02:40 UTC 2014 x86_64
x86_64 x86_64 GNU/Linux
Package: libc6
Source: eglibc
Version: 2.19-0ubuntu2
Replaces: libc6-amd64
Provides: glibc-2.19-1
In addition to the gdb trace in attachment , below the code
Perl Code (xs)
void SV_Usleep(unsigned int t)
PREINIT:
PPCODE:
usleep((useconds_t)t);
C-Code (generated)
XS_EUPXS(XS_SysView__Extent_SV_Usleep); /* prototype to pass
-Wmissing-prototypes */
XS_EUPXS(XS_SysView__Extent_SV_Usleep)
{
dVAR; dXSARGS;
if (items != 1)
croak_xs_usage(cv, "t");
PERL_UNUSED_VAR(ax); /* -Wall */
SP -= items;
{
#line 441 "Extent.xs"
#line 792 "Extent.c"
unsigned int t = (unsigned int)SvUV(ST(0))
;
#line 443 "Extent.xs"
usleep((useconds_t)t);
#line 797 "Extent.c"
PUTBACK;
return;
}
}
============== gdb =========================
gdb ../bin/perl core
GNU gdb (Ubuntu 7.7-0ubuntu3) 7.7
Copyright (C) 2014 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from ../bin/perl...done.
[New LWP 16769]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/opt/SysView/bin/perl /opt/SysView/script/SVdequeue.pl'.
Program terminated with signal SIGABRT, Aborted.
#0 0x00007f56a6375f79 in __GI_raise (sig=sig@entry=6) at
../nptl/sysdeps/unix/sysv/linux/raise.c:56
56 ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb)
(gdb) where
#0 0x00007f56a6375f79 in __GI_raise (sig=sig@entry=6) at
../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1 0x00007f56a6379388 in __GI_abort () at abort.c:89
#2 0x00007f56a63b30a4 in __libc_message (do_abort=do_abort@entry=2,
fmt=fmt@entry=0x7f56a64bf1b5 "*** %s ***: %s terminated\n")
at ../sysdeps/posix/libc_fatal.c:175
#3 0x00007f56a644a8ec in __GI___fortify_fail (msg=<optimized out>) at
fortify_fail.c:37
#4 0x00007f56a644a7fd in ____longjmp_chk () at
../sysdeps/unix/sysv/linux/x86_64/____longjmp_chk.S:100
#5 0x00007f56a644a759 in __longjmp_chk (env=0x1, val=1) at
../setjmp/longjmp.c:38
#6 0x00007f56a51c3ec9 in sigtimeout () from /opt/SysView/lib/libSVutils.so.1
#7 <signal handler called>
#8 0x00007f56a6400b80 in __nanosleep_nocancel () at
../sysdeps/unix/syscall-template.S:81
#9 0x00007f56a6432154 in usleep (useconds=<optimized out>) at
../sysdeps/unix/sysv/linux/usleep.c:32
#10 0x00007f56a55cf709 in XS_SysView__Extent_SV_Usleep ()
from
/opt/SysView/lib/perl5/site_perl/5.18.2/x86_64-linux-thread-multi/auto/SysView/Extent/Extent.so
#11 0x00007f56a67c63f6 in Perl_pp_entersub () from
/opt/SysView/lib/perl5/5.18.2/x86_64-linux-thread-multi/CORE/libperl.so
#12 0x00007f56a67bea16 in Perl_runops_standard () from
/opt/SysView/lib/perl5/5.18.2/x86_64-linux-thread-multi/CORE/libperl.so
#13 0x00007f56a67573d4 in perl_run () from
/opt/SysView/lib/perl5/5.18.2/x86_64-linux-thread-multi/CORE/libperl.so
#14 0x0000000000400e19 in main ()
(gdb)
#0 0x00007f56a6375f79 in __GI_raise (sig=sig@entry=6) at
../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1 0x00007f56a6379388 in __GI_abort () at abort.c:89
#2 0x00007f56a63b30a4 in __libc_message (do_abort=do_abort@entry=2,
fmt=fmt@entry=0x7f56a64bf1b5 "*** %s ***: %s terminated\n")
at ../sysdeps/posix/libc_fatal.c:175
#3 0x00007f56a644a8ec in __GI___fortify_fail (msg=<optimized out>) at
fortify_fail.c:37
#4 0x00007f56a644a7fd in ____longjmp_chk () at
../sysdeps/unix/sysv/linux/x86_64/____longjmp_chk.S:100
#5 0x00007f56a644a759 in __longjmp_chk (env=0x1, val=1) at
../setjmp/longjmp.c:38
#6 0x00007f56a51c3ec9 in sigtimeout () from /opt/SysView/lib/libSVutils.so.1
#7 <signal handler called>
#8 0x00007f56a6400b80 in __nanosleep_nocancel () at
../sysdeps/unix/syscall-template.S:81
#9 0x00007f56a6432154 in usleep (useconds=<optimized out>) at
../sysdeps/unix/sysv/linux/usleep.c:32
#10 0x00007f56a55cf709 in XS_SysView__Extent_SV_Usleep ()
from
/opt/SysView/lib/perl5/site_perl/5.18.2/x86_64-linux-thread-multi/auto/SysView/Extent/Extent.so
#11 0x00007f56a67c63f6 in Perl_pp_entersub () from
/opt/SysView/lib/perl5/5.18.2/x86_64-linux-thread-multi/CORE/libperl.so
#12 0x00007f56a67bea16 in Perl_runops_standard () from
/opt/SysView/lib/perl5/5.18.2/x86_64-linux-thread-multi/CORE/libperl.so
#13 0x00007f56a67573d4 in perl_run () from
/opt/SysView/lib/perl5/5.18.2/x86_64-linux-thread-multi/CORE/libperl.so
#14 0x0000000000400e19 in main ()
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x7409f)[0x7f6a367fc09f]
/lib/x86_64-linux-gnu/libc.so.6(__fortify_fail+0x5c)[0x7f6a368938ec]
/lib/x86_64-linux-gnu/libc.so.6(+0x10b7fd)[0x7f6a368937fd]
/lib/x86_64-linux-gnu/libc.so.6(__longjmp_chk+0x29)[0x7f6a36893759]
/opt/SysView/lib/libSVutils.so.1(+0x1ec9)[0x7f6a3560cec9]
/lib/x86_64-linux-gnu/libc.so.6(+0x36ff0)[0x7f6a367beff0]
/lib/x86_64-linux-gnu/libc.so.6(nanosleep+0x10)[0x7f6a36849b80]
/lib/x86_64-linux-gnu/libc.so.6(usleep+0x34)[0x7f6a3687b154]
/opt/SysView/lib/perl5/site_perl/5.18.2/x86_64-linux-thread-multi/auto/SysView/Extent/Extent.so(+0x3709)[0x7f6a35a18709]
** Affects: eglibc (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1290735
Title:
usleep segfaulting
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