Dovecot 2.2.25 test failure

[Michael A. Peters]

On 08/04/2016 06:50 AM, aki.tuomi at dovecot.fi wrote:
>
>> On August 4, 2016 at 4:19 PM "Michael A. Peters" <mpeters at domblogger.net> wrote:
>>
>>
>> On 08/04/2016 06:13 AM, Aki Tuomi wrote:
>>>
>>>
>>> On 04.08.2016 16:11, Michael A. Peters wrote:
>>>> Operating system - 64 bit CentOS 7
>>>> gcc-4.8.5-4.el7.x86_64
>>>>
>>>> Building against LibreSSL which has been fine for other releases, but
>>>> it is a crypto test that is fails.
>>>>
>>>> Tried with LibreSSL 2.4.2 and 2.3.6 - both the build completes but
>>>> fails the make check
>>>>
>>>> Dovecot 2.2.24 passes make check on both.
>>>>
>>>> This is where it fails:
>>>>
>>>> Making check in lib-dcrypt
>>>> make[2]: Entering directory
>>>> `/home/alice/rpmbuild/BUILD/dovecot-2.2.25/src/lib-dcrypt'
>>>> for bin in test-crypto test-stream; do \
>>>>   if ! /bin/sh ../../run-test.sh ../.. ./$bin; then exit 1; fi; \
>>>> done
>>>> ../../run-test.sh: line 21: 22369 Segmentation fault      (core
>>>> dumped) valgrind -q --trace-children=yes --leak-check=full
>>>> --suppressions="$supp_path" --log-file=test.out.$$ $*
>>>> ==22369== Invalid read of size 8
>>>> ==22369==    at 0x113A47: dcrypt_ctx_sym_create (dcrypt.c:61)
>>>> ==22369==    by 0x119194: test_cipher_test_vectors (test-crypto.c:60)
>>>> ==22369==    by 0x1196F0: test_run_funcs (test-common.c:354)
>>>> ==22369==    by 0x119FC0: test_run (test-common.c:404)
>>>> ==22369==    by 0x113461: main (test-crypto.c:554)
>>>> ==22369==  Address 0x8 is not stack'd, malloc'd or (recently) free'd
>>>> ==22369==
>>>> ==22369==
>>>> ==22369== Process terminating with default action of signal 11 (SIGSEGV)
>>>> ==22369==  Access not within mapped region at address 0x8
>>>> ==22369==    at 0x113A47: dcrypt_ctx_sym_create (dcrypt.c:61)
>>>> ==22369==    by 0x119194: test_cipher_test_vectors (test-crypto.c:60)
>>>> ==22369==    by 0x1196F0: test_run_funcs (test-common.c:354)
>>>> ==22369==    by 0x119FC0: test_run (test-common.c:404)
>>>> ==22369==    by 0x113461: main (test-crypto.c:554)
>>>> ==22369==  If you believe this happened as a result of a stack
>>>> ==22369==  overflow in your program's main thread (unlikely but
>>>> ==22369==  possible), you can try to increase the size of the
>>>> ==22369==  main thread stack using the --main-stacksize= flag.
>>>> ==22369==  The main thread stack size used in this run was 8388608.
>>>> Failed to run: ./test-crypto
>>>> make[2]: *** [check-test] Error 1
>>>> make[2]: Leaving directory
>>>> `/home/alice/rpmbuild/BUILD/dovecot-2.2.25/src/lib-dcrypt'
>>>> make[1]: *** [check-recursive] Error 1
>>>> make[1]: Leaving directory
>>>> `/home/alice/rpmbuild/BUILD/dovecot-2.2.25/src'
>>>> make: *** [check-recursive] Error 1
>>>> error: Bad exit status from /var/tmp/rpm-tmp.Il5fdU (%check)
>>>>
>>>> Thanks for suggestions.
>>>
>>> Hi!
>>>
>>> can you please provide stack trace with gdb?
>>>
>>> gdb ./test-crypto
>>> r
>>> bt full
>>>
>>> Aki
>>>
>>
>> [alice at pern lib-dcrypt]$ gdb ./test-crypto
>> GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-80.el7
>> Copyright (C) 2013 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-redhat-linux-gnu".
>> For bug reporting instructions, please see:
>> <http://www.gnu.org/software/gdb/bugs/>...
>> Reading symbols from
>> /home/alice/rpmbuild/BUILD/dovecot-2.2.25/src/lib-dcrypt/test-crypto...done.
>> (gdb) r
>> Starting program:
>> /home/alice/rpmbuild/BUILD/dovecot-2.2.25/src/lib-dcrypt/./test-crypto
>>
>> Program received signal SIGSEGV, Segmentation fault.
>> 0x000055555555fa47 in dcrypt_ctx_sym_create (algorithm=0x55555557c12e
>> "AES-128-CBC", mode=DCRYPT_MODE_ENCRYPT, ctx_r=0x7fffffffdf30,
>> error_r=0x0) at dcrypt.c:61
>> 61		return dcrypt_vfs->ctx_sym_create(algorithm, mode, ctx_r, error_r);
>> Missing separate debuginfos, use: debuginfo-install
>> glibc-2.17-106.el7_2.6.x86_64
>> (gdb) bt full
>> #0  0x000055555555fa47 in dcrypt_ctx_sym_create
>> (algorithm=0x55555557c12e "AES-128-CBC", mode=DCRYPT_MODE_ENCRYPT,
>> ctx_r=0x7fffffffdf30, error_r=0x0) at dcrypt.c:61
>> No locals.
>
> Can you p dcrypt_vfs?
>
> Aki
>

(gdb) p dcrypt_vfs
$1 = (struct dcrypt_vfs *) 0x0
(gdb)