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[Alexander <morfin60@xxxxxxxxx>]

Public bug reported:

I've found a bug in openssl 1.0.1-4ubuntu5.10. Was trying to use
libpq\libmysql.so to connect to database and did not specify sslmode so
it used ssl to connect to database, when i've checked with valgrind i've
detected some memory leak:

==25346== Memcheck, a memory error detector
==25346== Copyright (C) 2002-2011, and GNU GPL'd, by Julian Seward et al.
==25346== Using Valgrind-3.7.0 and LibVEX; rerun with -h for copyright info
==25346== Command: ./test
==25346==
==25346==
==25346== HEAP SUMMARY:
==25346==     in use at exit: 81,152 bytes in 2,769 blocks
==25346==   total heap usage: 4,388 allocs, 1,619 frees, 281,833 bytes allocated
==25346==
==25346== 160 (40 direct, 120 indirect) bytes in 1 blocks are definitely lost in loss record 229 of 279
==25346==    at 0x402BE68: malloc (in /usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==25346==    by 0x416E84E: nss_parse_service_list (nsswitch.c:678)
==25346==    by 0x416EFC9: __nss_database_lookup (nsswitch.c:175)
==25346==    by 0x4EB6168: ???
==25346==    by 0x4EB7B5C: ???
==25346==    by 0x4125FA6: getpwuid_r@@GLIBC_2.1.2 (getXXbyYY_r.c:256)
==25346==    by 0x405F691: ??? (in /usr/lib/libpq.so.5.4)
==25346==    by 0x404C6BD: ??? (in /usr/lib/libpq.so.5.4)
==25346==    by 0x404D06A: ??? (in /usr/lib/libpq.so.5.4)
==25346==    by 0x404EC4A: ??? (in /usr/lib/libpq.so.5.4)
==25346==    by 0x404EF2F: ??? (in /usr/lib/libpq.so.5.4)
==25346==    by 0x404F31E: PQconnectStart (in /usr/lib/libpq.so.5.4)
==25346==
==25346== LEAK SUMMARY:
==25346==    definitely lost: 40 bytes in 1 blocks
==25346==    indirectly lost: 120 bytes in 10 blocks
==25346==      possibly lost: 0 bytes in 0 blocks
==25346==    still reachable: 80,992 bytes in 2,758 blocks
==25346==         suppressed: 0 bytes in 0 blocks
==25346== Reachable blocks (those to which a pointer was found) are not shown.
==25346== To see them, rerun with: --leak-check=full --show-reachable=yes
==25346==
==25346== For counts of detected and suppressed errors, rerun with: -v
==25346== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)


with sslmode=disable i see this:
==28708== Memcheck, a memory error detector
==28708== Copyright (C) 2002-2011, and GNU GPL'd, by Julian Seward et al.
==28708== Using Valgrind-3.7.0 and LibVEX; rerun with -h for copyright info
==28708== Command: ./test
==28708==
==28708==
==28708== HEAP SUMMARY:
==28708==     in use at exit: 160 bytes in 11 blocks
==28708==   total heap usage: 138 allocs, 127 frees, 46,314 bytes allocated
==28708==
==28708== 160 (40 direct, 120 indirect) bytes in 1 blocks are definitely lost in loss record 11 of 11
==28708==    at 0x402BE68: malloc (in /usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==28708==    by 0x416E84E: nss_parse_service_list (nsswitch.c:678)
==28708==    by 0x416EFC9: __nss_database_lookup (nsswitch.c:175)
==28708==    by 0x4EB6168: ???
==28708==    by 0x4EB7B5C: ???
==28708==    by 0x4125FA6: getpwuid_r@@GLIBC_2.1.2 (getXXbyYY_r.c:256)
==28708==    by 0x405F691: ??? (in /usr/lib/libpq.so.5.4)
==28708==    by 0x404C6BD: ??? (in /usr/lib/libpq.so.5.4)
==28708==    by 0x404D06A: ??? (in /usr/lib/libpq.so.5.4)
==28708==    by 0x404EC4A: ??? (in /usr/lib/libpq.so.5.4)
==28708==    by 0x404EF2F: ??? (in /usr/lib/libpq.so.5.4)
==28708==    by 0x404F31E: PQconnectStart (in /usr/lib/libpq.so.5.4)
==28708==
==28708== LEAK SUMMARY:
==28708==    definitely lost: 40 bytes in 1 blocks
==28708==    indirectly lost: 120 bytes in 10 blocks
==28708==      possibly lost: 0 bytes in 0 blocks
==28708==    still reachable: 0 bytes in 0 blocks
==28708==         suppressed: 0 bytes in 0 blocks
==28708==
==28708== For counts of detected and suppressed errors, rerun with: -v
==28708== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)

also test openssl program(attached) have a leak 47700 bytes

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Incomplete

** Attachment added: "Sample program to check connection to site with SSL"
   https://bugs.launchpad.net/bugs/1260230/+attachment/3927970/+files/withssl.c

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https://bugs.launchpad.net/bugs/1260230

Title:
  Memory leak in libcrypto.so\libssl.so

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I've found a bug in openssl 1.0.1-4ubuntu5.10. Was trying to use
  libpq\libmysql.so to connect to database and did not specify sslmode
  so it used ssl to connect to database, when i've checked with valgrind
  i've detected some memory leak:

  ==25346== Memcheck, a memory error detector
  ==25346== Copyright (C) 2002-2011, and GNU GPL'd, by Julian Seward et al.
  ==25346== Using Valgrind-3.7.0 and LibVEX; rerun with -h for copyright info
  ==25346== Command: ./test
  ==25346==
  ==25346==
  ==25346== HEAP SUMMARY:
  ==25346==     in use at exit: 81,152 bytes in 2,769 blocks
  ==25346==   total heap usage: 4,388 allocs, 1,619 frees, 281,833 bytes allocated
  ==25346==
  ==25346== 160 (40 direct, 120 indirect) bytes in 1 blocks are definitely lost in loss record 229 of 279
  ==25346==    at 0x402BE68: malloc (in /usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
  ==25346==    by 0x416E84E: nss_parse_service_list (nsswitch.c:678)
  ==25346==    by 0x416EFC9: __nss_database_lookup (nsswitch.c:175)
  ==25346==    by 0x4EB6168: ???
  ==25346==    by 0x4EB7B5C: ???
  ==25346==    by 0x4125FA6: getpwuid_r@@GLIBC_2.1.2 (getXXbyYY_r.c:256)
  ==25346==    by 0x405F691: ??? (in /usr/lib/libpq.so.5.4)
  ==25346==    by 0x404C6BD: ??? (in /usr/lib/libpq.so.5.4)
  ==25346==    by 0x404D06A: ??? (in /usr/lib/libpq.so.5.4)
  ==25346==    by 0x404EC4A: ??? (in /usr/lib/libpq.so.5.4)
  ==25346==    by 0x404EF2F: ??? (in /usr/lib/libpq.so.5.4)
  ==25346==    by 0x404F31E: PQconnectStart (in /usr/lib/libpq.so.5.4)
  ==25346==
  ==25346== LEAK SUMMARY:
  ==25346==    definitely lost: 40 bytes in 1 blocks
  ==25346==    indirectly lost: 120 bytes in 10 blocks
  ==25346==      possibly lost: 0 bytes in 0 blocks
  ==25346==    still reachable: 80,992 bytes in 2,758 blocks
  ==25346==         suppressed: 0 bytes in 0 blocks
  ==25346== Reachable blocks (those to which a pointer was found) are not shown.
  ==25346== To see them, rerun with: --leak-check=full --show-reachable=yes
  ==25346==
  ==25346== For counts of detected and suppressed errors, rerun with: -v
  ==25346== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)


  with sslmode=disable i see this:
  ==28708== Memcheck, a memory error detector
  ==28708== Copyright (C) 2002-2011, and GNU GPL'd, by Julian Seward et al.
  ==28708== Using Valgrind-3.7.0 and LibVEX; rerun with -h for copyright info
  ==28708== Command: ./test
  ==28708==
  ==28708==
  ==28708== HEAP SUMMARY:
  ==28708==     in use at exit: 160 bytes in 11 blocks
  ==28708==   total heap usage: 138 allocs, 127 frees, 46,314 bytes allocated
  ==28708==
  ==28708== 160 (40 direct, 120 indirect) bytes in 1 blocks are definitely lost in loss record 11 of 11
  ==28708==    at 0x402BE68: malloc (in /usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
  ==28708==    by 0x416E84E: nss_parse_service_list (nsswitch.c:678)
  ==28708==    by 0x416EFC9: __nss_database_lookup (nsswitch.c:175)
  ==28708==    by 0x4EB6168: ???
  ==28708==    by 0x4EB7B5C: ???
  ==28708==    by 0x4125FA6: getpwuid_r@@GLIBC_2.1.2 (getXXbyYY_r.c:256)
  ==28708==    by 0x405F691: ??? (in /usr/lib/libpq.so.5.4)
  ==28708==    by 0x404C6BD: ??? (in /usr/lib/libpq.so.5.4)
  ==28708==    by 0x404D06A: ??? (in /usr/lib/libpq.so.5.4)
  ==28708==    by 0x404EC4A: ??? (in /usr/lib/libpq.so.5.4)
  ==28708==    by 0x404EF2F: ??? (in /usr/lib/libpq.so.5.4)
  ==28708==    by 0x404F31E: PQconnectStart (in /usr/lib/libpq.so.5.4)
  ==28708==
  ==28708== LEAK SUMMARY:
  ==28708==    definitely lost: 40 bytes in 1 blocks
  ==28708==    indirectly lost: 120 bytes in 10 blocks
  ==28708==      possibly lost: 0 bytes in 0 blocks
  ==28708==    still reachable: 0 bytes in 0 blocks
  ==28708==         suppressed: 0 bytes in 0 blocks
  ==28708==
  ==28708== For counts of detected and suppressed errors, rerun with: -v
  ==28708== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)

  also test openssl program(attached) have a leak 47700 bytes

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