| Subject: | Double free or corruption error under Debian Linux |
When running the attached test file under Debian Linux (perl 5.8.8-12),
then a memory corruption report shows up.
This problem does not seem to happen under a FreeBSD 6.1 system with
maintperl.
Regards,
Slaven
*** glibc detected *** perl: double free or corruption (!prev):
0x081ac808 ***
======= Backtrace: =========
/lib/i686/cmov/libc.so.6[0xb7e61735]
/lib/i686/cmov/libc.so.6(cfree+0x90)[0xb7e651a0]
perl(Perl_sv_clear+0x575)[0x80cceb5]
perl(Perl_sv_free+0x102)[0x80cd242]
perl(Perl_pad_swipe+0x6f)[0x809cb6f]
perl(Perl_op_clear+0x251)[0x808dce1]
perl(Perl_op_free+0x9e)[0x809068e]
perl(Perl_op_free+0x6f)[0x809065f]
perl(Perl_op_free+0x6f)[0x809065f]
perl(perl_destruct+0xc1)[0x806aa31]
perl(main+0xc6)[0x8063706]
/lib/i686/cmov/libc.so.6(__libc_start_main+0xe0)[0xb7e0c450]
perl[0x80635d1]
======= Memory map: ========
08048000-0814a000 r-xp 00000000 03:06 1103039 /usr/bin/perl
0814a000-0814e000 rw-p 00101000 03:06 1103039 /usr/bin/perl
0814e000-081d4000 rw-p 0814e000 00:00 0 [heap]
b7900000-b7921000 rw-p b7900000 00:00 0
b7921000-b7a00000 ---p b7921000 00:00 0
b7aa1000-b7aad000 r-xp 00000000 03:06 1949966 /lib/libgcc_s.so.1
b7aad000-b7aae000 rw-p 0000b000 03:06 1949966 /lib/libgcc_s.so.1
b7abf000-b7ae0000 rw-p b7abf000 00:00 0
b7ae0000-b7bc3000 r--p 002d0000 03:06 1128563
/usr/lib/locale/locale-archive
b7bc3000-b7dc3000 r--p 00000000 03:06 1128563
/usr/lib/locale/locale-archive
b7dc3000-b7dc4000 rw-p b7dc3000 00:00 0
b7dc4000-b7dcd000 r-xp 00000000 03:06 2013053
/lib/i686/cmov/libcrypt-2.7.so
b7dcd000-b7dcf000 rw-p 00008000 03:06 2013053
/lib/i686/cmov/libcrypt-2.7.so
b7dcf000-b7df6000 rw-p b7dcf000 00:00 0
b7df6000-b7f3d000 r-xp 00000000 03:06 2013020 /lib/i686/cmov/libc-2.7.so
b7f3d000-b7f3e000 r--p 00147000 03:06 2013020 /lib/i686/cmov/libc-2.7.so
b7f3e000-b7f40000 rw-p 00148000 03:06 2013020 /lib/i686/cmov/libc-2.7.so
b7f40000-b7f43000 rw-p b7f40000 00:00 0
b7f43000-b7f57000 r-xp 00000000 03:06 2013176
/lib/i686/cmov/libpthread-2.7.so
b7f57000-b7f59000 rw-p 00013000 03:06 2013176
/lib/i686/cmov/libpthread-2.7.so
b7f59000-b7f5c000 rw-p b7f59000 00:00 0
b7f5c000-b7f7f000 r-xp 00000000 03:06 2013066 /lib/i686/cmov/libm-2.7.so
b7f7f000-b7f81000 rw-p 00023000 03:06 2013066 /lib/i686/cmov/libm-2.7.so
b7f81000-b7f83000 r-xp 00000000 03:06 2013064 /lib/i686/cmov/libdl-2.7.so
b7f83000-b7f85000 rw-p 00001000 03:06 2013064 /lib/i686/cmov/libdl-2.7.so
b7f8d000-b7f95000 r-xp 00000000 03:06 1815787
/usr/local/lib/perl/5.8.8/auto/File/MMagic/XS/XS.so
b7f95000-b7f96000 rw-p 00008000 03:06 1815787
/usr/local/lib/perl/5.8.8/auto/File/MMagic/XS/XS.so
b7f96000-b7f98000 rw-p b7f96000 00:00 0
b7f98000-b7f99000 r-xp b7f98000 00:00 0 [vdso]
b7f99000-b7fb5000 r-xp 00000000 03:06 1950480 /lib/ld-2.7.so
b7fb5000-b7fb7000 rw-p 0001b000 03:06 1950480 /lib/ld-2.7.so
bfbdf000-bfbf6000 rw-p bfbdf000 00:00 0 [stack]
| Subject: | test.pl |
#!/usr/bin/perl
use File::MMagic::XS;
my $magic = File::MMagic::XS->new;
$magic->add_file_ext('pl', 'audio/foo');
warn $magic->get_mime(__FILE__);