Dovecot 2.2.25 test failure

[aki.tuomi at dovecot.fi]

> 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