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Description of problem:
httpd segfaults on AMD machine if both mod_dbd and mod_ssl are enabled.
Version-Release number of selected component (if applicable):
httpd-2.4.6-45
How reproducible:
Always on AMD FX-8320 machine
Steps to Reproduce:
1. yum install httpd apr-util-mysql mod_ssl2.
2. Add "DBDriver mysql" to the main conf file.
3. systemctl start httpd
Actual results:
Segmentation fault in httpd:
#0 0x00007f5839ee7630 in ?? ()
#1 0x00007f58398d8e86 in int_free_ex_data (class_index=<optimized out>, obj=0x7f5848d566c0, ad=0x7f5848d566e8) at ex_data.c:522
#2 0x00007f583996f421 in x509_cb (operation=operation@entry=3, pval=pval@entry=0x7ffeeb357028, it=it@entry=0x7f5839c39400 <X509_it>, exarg=exarg@entry=0x0) at x_x509.c:113
#3 0x00007f583997346a in asn1_item_combine_free (pval=pval@entry=0x7ffeeb357028, it=it@entry=0x7f5839c39400 <X509_it>, combine=combine@entry=0) at tasn_fre.c:173
#4 0x00007f5839973645 in ASN1_item_free (val=val@entry=0x7f5848d566c0, it=it@entry=0x7f5839c39400 <X509_it>) at tasn_fre.c:71
#5 0x00007f583996f52c in X509_free (a=a@entry=0x7f5848d566c0) at x_x509.c:141
#6 0x00007f5838293758 in ssl_pphrase_Handle (s=s@entry=0x7f5848cb3340, p=p@entry=0x7f5848cb5368) at ssl_engine_pphrase.c:275
#7 0x00007f58382887b6 in ssl_init_Module (p=0x7f5848c8a158, plog=<optimized out>, ptemp=0x7f5848cb5368, base_server=0x7f5848cb3340) at ssl_engine_init.c:270
#8 0x00007f584713ce99 in ap_run_post_config (pconf=pconf@entry=0x7f5848c8a158, plog=0x7f5848cb7378, ptemp=0x7f5848cb5368, s=0x7f5848cb3340) at config.c:103
#9 0x00007f584711cb07 in main (argc=2, argv=0x7ffeeb3593b8) at main.c:765
Expected results:
httpd works fine
Additional info:
This is exactly the same failure as reported at https://bugs.centos.org/view.php?id=10499
Patch from that issue (https://bugs.centos.org/file_download.php?file_id=16004&type=bug) helped us to resolve our problem.