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buffer overflow? or valgrind problem

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From:
Arthur Bergman
Date:
April 17, 2003 15:05
Subject:
buffer overflow? or valgrind problem
Message ID:
B64C2AA0-7120-11D7-8B5A-000393CB5BC4@nanisky.com
==4266== Invalid read of size 4
==4266==    at 0x4025BCFC: vgIntercept_select (vg_libpthread.c:2532)
==4266==    by 0x4017FC8A: __select (vg_intercept.c:247)
==4266==    by 0x8133BC5: Perl_pp_sselect (pp_sys.c:1082)
==4266==    by 0x80C2CF0: Perl_runops_debug (dump.c:1425)
==4266==    Address 0x41A6935C is 0 bytes after a block of size 4 
alloc'd
==4266==    at 0x4016980E: realloc (vg_clientfuncs.c:276)
==4266==    by 0x80C3625: Perl_safesysrealloc (util.c:114)
==4266==    by 0x80EC8CB: Perl_sv_grow (sv.c:1601)
==4266==    by 0x8133B3D: Perl_pp_sselect (pp_sys.c:1052)
==4266==
==4266== Invalid write of size 4
==4266==    at 0x4025BDB2: vgIntercept_select (vg_libpthread.c:2552)
==4266==    by 0x4017FC8A: __select (vg_intercept.c:247)
==4266==    by 0x8133BC5: Perl_pp_sselect (pp_sys.c:1082)
==4266==    by 0x80C2CF0: Perl_runops_debug (dump.c:1425)
==4266==    Address 0x41A6935C is 0 bytes after a block of size 4 
alloc'd
==4266==    at 0x4016980E: realloc (vg_clientfuncs.c:276)
==4266==    by 0x80C3625: Perl_safesysrealloc (util.c:114)
==4266==    by 0x80EC8CB: Perl_sv_grow (sv.c:1601)
==4266==    by 0x8133B3D: Perl_pp_sselect (pp_sys.c:1052)
==4266== valgrind's libpthread.so: KLUDGED call to: siglongjmp (cleanup 
handlers are ignored)
==4266==
==4266== Invalid read of size 4
==4266==    at 0x4025BCE5: vgIntercept_select (vg_libpthread.c:2531)
==4266==    by 0x4017FC8A: __select (vg_intercept.c:247)
==4266==    by 0x8133BC5: Perl_pp_sselect (pp_sys.c:1082)
==4266==    by 0x80C2CF0: Perl_runops_debug (dump.c:1425)
==4266==    Address 0x42CB5CC4 is 0 bytes after a block of size 4 
alloc'd
==4266==    at 0x4016980E: realloc (vg_clientfuncs.c:276)
==4266==    by 0x80C3625: Perl_safesysrealloc (util.c:114)
==4266==    by 0x80EC8CB: Perl_sv_grow (sv.c:1601)
==4266==    by 0x8133B3D: Perl_pp_sselect (pp_sys.c:1052)
==4266==
==4266== Invalid write of size 4
==4266==    at 0x4025BD9B: vgIntercept_select (vg_libpthread.c:2551)
==4266==    by 0x4017FC8A: __select (vg_intercept.c:247)
==4266==    by 0x8133BC5: Perl_pp_sselect (pp_sys.c:1082)
==4266==    by 0x80C2CF0: Perl_runops_debug (dump.c:1425)
==4266==    Address 0x42CB5CC4 is 0 bytes after a block of size 4 
alloc'd
==4266==    at 0x4016980E: realloc (vg_clientfuncs.c:276)
==4266==    by 0x80C3625: Perl_safesysrealloc (util.c:114)
==4266==    by 0x80EC8CB: Perl_sv_grow (sv.c:1601)
==4266==    by 0x8133B3D: Perl_pp_sselect (pp_sys.c:1052)


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