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Re: NSS LDAP/TLS crashing

X-seq: zsh-workers 19211
From: Frederic Gobry <frederic.gobry@xxxxxxxxxxxx>
To: Peter Stephenson <pws@xxxxxxx>
Subject: Re: NSS LDAP/TLS crashing
Date: Tue, 28 Oct 2003 17:04:57 +0100
Cc: zsh-workers@xxxxxxxxxx, 217915@xxxxxxxxxxxxxxx
In-reply-to: <21704.1067354886@xxxxxxx>
Mailing-list: contact zsh-workers-help@xxxxxxxxxx; run by ezmlm
References: <20031028143032.GA26489@xxxxxxxxxxx> <21704.1067354886@xxxxxxx>
Sender: <frederic.gobry@xxxxxxxxxxxx>

Excellent, the patch solves the crash :-) However, there are still
invalid writes (see attachment).

Frédéric

-- 
 Frédéric Gobry       SMARTDATA    	  
                      http://www.smartdata.ch/
 PGP: 5B44F4A5        Lausanne - Switzerland
                      +41 21 693 84 98

==25377== Memcheck, a.k.a. Valgrind, a memory error detector for x86-linux.
==25377== Copyright (C) 2002-2003, and GNU GPL'd, by Julian Seward.
==25377== Using valgrind-20030725, a program supervision framework for x86-linux.
==25377== Copyright (C) 2000-2003, and GNU GPL'd, by Julian Seward.
==25377== Estimated CPU clock rate is 600 MHz
==25377== For more details, rerun with: -v
==25377== 
==25377== Conditional jump or move depends on uninitialised value(s)
==25377==    at 0x41008ABA: _dl_relocate_object_internal (in /lib/ld-2.3.2.so)
==25377==    by 0x4111DD70: (within /lib/libc-2.3.2.so)
==25377==    by 0x4100B115: _dl_catch_error_internal (in /lib/ld-2.3.2.so)
==25377==    by 0x4111DFDB: _dl_open (in /lib/libc-2.3.2.so)
==25377== 
==25377== Conditional jump or move depends on uninitialised value(s)
==25377==    at 0x41008B05: _dl_relocate_object_internal (in /lib/ld-2.3.2.so)
==25377==    by 0x4111DD70: (within /lib/libc-2.3.2.so)
==25377==    by 0x4100B115: _dl_catch_error_internal (in /lib/ld-2.3.2.so)
==25377==    by 0x4111DFDB: _dl_open (in /lib/libc-2.3.2.so)
==25378== 
==25378== Invalid write of size 4
==25378==    at 0x805DFF1: (within /bin/zsh4)
==25378==    by 0x805E513: execute (in /bin/zsh4)
==25378==    by 0x8061831: (within /bin/zsh4)
==25378==    by 0x805FE2C: (within /bin/zsh4)
==25378==    Address 0x40C96110 is 0 bytes after a block of size 176 alloc'd
==25378==    at 0x40015CE9: realloc (vg_replace_malloc.c:299)
==25378==    by 0x4104258C: (within /lib/libc-2.3.2.so)
==25378==    by 0x410424B7: putenv (in /lib/libc-2.3.2.so)
==25378==    by 0x808955B: addenv (in /bin/zsh4)
==25379== 
==25379== Invalid write of size 4
==25379==    at 0x805DFF1: (within /bin/zsh4)
==25379==    by 0x805E513: execute (in /bin/zsh4)
==25379==    by 0x8061831: (within /bin/zsh4)
==25379==    by 0x805FE2C: (within /bin/zsh4)
==25379==    Address 0x40C96110 is 0 bytes after a block of size 176 alloc'd
==25379==    at 0x40015CE9: realloc (vg_replace_malloc.c:299)
==25379==    by 0x4104258C: (within /lib/libc-2.3.2.so)
==25379==    by 0x410424B7: putenv (in /lib/libc-2.3.2.so)
==25379==    by 0x808955B: addenv (in /bin/zsh4)
==25380== 
==25380== Invalid write of size 4
==25380==    at 0x805DFF1: (within /bin/zsh4)
==25380==    by 0x805E513: execute (in /bin/zsh4)
==25380==    by 0x8061831: (within /bin/zsh4)
==25380==    by 0x805FE2C: (within /bin/zsh4)
==25380==    Address 0x40C96110 is 0 bytes after a block of size 176 alloc'd
==25380==    at 0x40015CE9: realloc (vg_replace_malloc.c:299)
==25380==    by 0x4104258C: (within /lib/libc-2.3.2.so)
==25380==    by 0x410424B7: putenv (in /lib/libc-2.3.2.so)
==25380==    by 0x808955B: addenv (in /bin/zsh4)
==25381== discard syms in /lib/libnss_compat-2.3.2.so due to munmap()
==25381== discard syms in /lib/libnss_nis-2.3.2.so due to munmap()
==25381== discard syms in /lib/libnss_files-2.3.2.so due to munmap()
==25381== 
==25381== ERROR SUMMARY: 14 errors from 2 contexts (suppressed: 0 from 0)
==25381== malloc/free: in use at exit: 241444 bytes in 10216 blocks.
==25381== malloc/free: 15820 allocs, 5604 frees, 1865417 bytes allocated.
==25381== For a detailed leak analysis,  rerun with: --leak-check=yes
==25381== For counts of detected errors, rerun with: -v
==25382== 
==25382== Invalid write of size 4
==25382==    at 0x805DFF1: (within /bin/zsh4)
==25382==    by 0x805E513: execute (in /bin/zsh4)
==25382==    by 0x8061831: (within /bin/zsh4)
==25382==    by 0x805FE2C: (within /bin/zsh4)
==25382==    Address 0x40C96110 is 0 bytes after a block of size 176 alloc'd
==25382==    at 0x40015CE9: realloc (vg_replace_malloc.c:299)
==25382==    by 0x4104258C: (within /lib/libc-2.3.2.so)
==25382==    by 0x410424B7: putenv (in /lib/libc-2.3.2.so)
==25382==    by 0x808955B: addenv (in /bin/zsh4)
==25383== 
==25383== Invalid write of size 4
==25383==    at 0x805DFF1: (within /bin/zsh4)
==25383==    by 0x805E513: execute (in /bin/zsh4)
==25383==    by 0x8061831: (within /bin/zsh4)
==25383==    by 0x805FE2C: (within /bin/zsh4)
==25383==    Address 0x40C96110 is 0 bytes after a block of size 176 alloc'd
==25383==    at 0x40015CE9: realloc (vg_replace_malloc.c:299)
==25383==    by 0x4104258C: (within /lib/libc-2.3.2.so)
==25383==    by 0x410424B7: putenv (in /lib/libc-2.3.2.so)
==25383==    by 0x808955B: addenv (in /bin/zsh4)
==25377== 
==25377== Conditional jump or move depends on uninitialised value(s)
==25377==    at 0x4210E154: __memp_fopen_int_4001 (in /usr/lib/libdb-4.1.so)
==25377==    by 0x4210DB93: (within /usr/lib/libdb-4.1.so)
==25377==    by 0x420C73D3: __db_dbenv_setup_4001 (in /usr/lib/libdb-4.1.so)
==25377==    by 0x420D6E8F: __db_dbopen_4001 (in /usr/lib/libdb-4.1.so)
==25377== 
==25377== Conditional jump or move depends on uninitialised value(s)
==25377==    at 0x4100896A: _dl_relocate_object_internal (in /lib/ld-2.3.2.so)
==25377==    by 0x4111DD70: (within /lib/libc-2.3.2.so)
==25377==    by 0x4100B115: _dl_catch_error_internal (in /lib/ld-2.3.2.so)
==25377==    by 0x4111DFDB: _dl_open (in /lib/libc-2.3.2.so)
==25377== 
==25377== Conditional jump or move depends on uninitialised value(s)
==25377==    at 0x41008976: _dl_relocate_object_internal (in /lib/ld-2.3.2.so)
==25377==    by 0x4111DD70: (within /lib/libc-2.3.2.so)
==25377==    by 0x4100B115: _dl_catch_error_internal (in /lib/ld-2.3.2.so)
==25377==    by 0x4111DFDB: _dl_open (in /lib/libc-2.3.2.so)
==25377== 
==25377== Syscall param open(pathname) contains uninitialised or unaddressable byte(s)
==25377==    at 0x410E1778: __libc_open (in /lib/libc-2.3.2.so)
==25377==    by 0x41081207: _IO_file_fopen (in /lib/libc-2.3.2.so)
==25377==    by 0x4107745C: (within /lib/libc-2.3.2.so)
==25377==    by 0x410774BD: _IO_fopen (in /lib/libc-2.3.2.so)
==25377==    Address 0x0 is not stack'd, malloc'd or free'd
==25377== 
==25377== Conditional jump or move depends on uninitialised value(s)
==25377==    at 0x423E2008: gcry_mpi_print (in /usr/lib/libgcrypt.so.1.5.1)
==25377==    by 0x423BA982: (within /usr/lib/libgcrypt.so.1.5.1)
==25377==    by 0x423BAD7E: gcry_sexp_build (in /usr/lib/libgcrypt.so.1.5.1)
==25377==    by 0x42320A14: (within /usr/lib/libgnutls.so.7.0.9)
==25377== 
==25377== Conditional jump or move depends on uninitialised value(s)
==25377==    at 0x423E2008: gcry_mpi_print (in /usr/lib/libgcrypt.so.1.5.1)
==25377==    by 0x423BA982: (within /usr/lib/libgcrypt.so.1.5.1)
==25377==    by 0x423BAD7E: gcry_sexp_build (in /usr/lib/libgcrypt.so.1.5.1)
==25377==    by 0x42320A34: (within /usr/lib/libgnutls.so.7.0.9)
==25377== 
==25377== Conditional jump or move depends on uninitialised value(s)
==25377==    at 0x423E2008: gcry_mpi_print (in /usr/lib/libgcrypt.so.1.5.1)
==25377==    by 0x423BA982: (within /usr/lib/libgcrypt.so.1.5.1)
==25377==    by 0x423BAD7E: gcry_sexp_build (in /usr/lib/libgcrypt.so.1.5.1)
==25377==    by 0x423C13C2: gcry_pk_encrypt (in /usr/lib/libgcrypt.so.1.5.1)
==25377== 
==25377== Conditional jump or move depends on uninitialised value(s)
==25377==    at 0x423E1F6C: gcry_mpi_print (in /usr/lib/libgcrypt.so.1.5.1)
==25377==    by 0x4232029C: _gnutls_mpi_print (in /usr/lib/libgnutls.so.7.0.9)
==25377==    by 0x4232FF1B: _gnutls_gen_dh_common_client_kx (in /usr/lib/libgnutls.so.7.0.9)
==25377==    by 0x4231BF2B: _gnutls_send_client_kx_message (in /usr/lib/libgnutls.so.7.0.9)
==25377== discard syms in /lib/libnss_compat-2.3.2.so due to munmap()
==25377== discard syms in /lib/libnss_nis-2.3.2.so due to munmap()
==25377== discard syms in /lib/libnss_ldap-2.3.2.so due to munmap()
==25377== discard syms in /usr/lib/libldap.so.2.0.122 due to munmap()
==25377== discard syms in /usr/lib/liblber.so.2.0.122 due to munmap()
==25377== discard syms in /usr/lib/libdb-4.1.so due to munmap()
==25377== discard syms in /usr/lib/libsasl2.so.2.0.15 due to munmap()
==25377== discard syms in /usr/lib/libgnutls.so.7.0.9 due to munmap()
==25377== discard syms in /lib/libcrypt-2.3.2.so due to munmap()
==25377== discard syms in /lib/libnss_files-2.3.2.so due to munmap()
==25377== discard syms in /lib/libnss_dns-2.3.2.so due to munmap()
==25377== 
==25377== ERROR SUMMARY: 62 errors from 10 contexts (suppressed: 0 from 0)
==25377== malloc/free: in use at exit: 1786659 bytes in 12714 blocks.
==25377== malloc/free: 28010 allocs, 15296 frees, 3831552 bytes allocated.
==25377== For a detailed leak analysis,  rerun with: --leak-check=yes
==25377== For counts of detected errors, rerun with: -v

Attachment: pgpxXNxwJg375.pgp
Description: PGP signature

References:
- Re: NSS LDAP/TLS crashing
  - From: Clint Adams
- Re: NSS LDAP/TLS crashing
  - From: Peter Stephenson

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