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Posted to bugs@httpd.apache.org by bu...@apache.org on 2020/01/07 13:44:57 UTC
[Bug 60947] Segfault on startup when using mod_ssl with APR-crypto
https://bz.apache.org/bugzilla/show_bug.cgi?id=60947
--- Comment #7 from sta@cpanel.net ---
We've recently seen the same bug(crashing during graceful restart):
====
(gdb) bt
#0 0x00002b2fac30f340 in ?? ()
#1 0x00002b2fac8b74d4 in ERR_get_state () from
/opt/cpanel/ea-openssl/lib64/libcrypto.so.1.0.0
#2 0x00002b2fac8b793f in ERR_clear_error () from
/opt/cpanel/ea-openssl/lib64/libcrypto.so.1.0.0
#3 0x00002b2fac8a669e in ENGINE_load_builtin_engines () from
/opt/cpanel/ea-openssl/lib64/libcrypto.so.1.0.0
#4 0x00002b2facbf6fd5 in ssl_hook_pre_config (pconf=0x55ae04945138,
plog=<optimized out>, ptemp=<optimized out>) at mod_ssl.c:407
#5 0x000055ae03f4986e in ap_run_pre_config (pconf=pconf@entry=0x55ae04945138,
plog=0x55ae04972358, ptemp=0x55ae049c4608) at config.c:89
#6 0x000055ae03f2321c in main (argc=3, argv=0x7fff9928ab88) at main.c:775
(gdb) list ERR_get_state
1029 ERR_remove_thread_state(NULL);
1030 }
1031 #endif
1032
1033 ERR_STATE *ERR_get_state(void)
1034 {
1035 static ERR_STATE fallback;
1036 ERR_STATE *ret, tmp, *tmpp = NULL;
1037 int i;
1038 CRYPTO_THREADID tid;
(gdb) l
1039
1040 err_fns_check();
1041 CRYPTO_THREADID_current(&tid);
1042 CRYPTO_THREADID_cpy(&tmp.tid, &tid);
1043 ret = ERRFN(thread_get_item) (&tmp);
1044
1045 /* ret == the error state, if NULL, make a new one */
1046 if (ret == NULL) {
1047 ret = (ERR_STATE *)OPENSSL_malloc(sizeof(ERR_STATE));
1048 if (ret == NULL)
(gdb) l CRYPTO_THREADID_current
481 return threadid_callback;
482 }
483
484 void CRYPTO_THREADID_current(CRYPTO_THREADID *id)
485 {
486 if (threadid_callback) {
487 threadid_callback(id);
488 return;
489 }
490 #ifndef OPENSSL_NO_DEPRECATED
(gdb)
====
I saw a patch was committed to trunk, but it doesn't seem it ever made it into
the 2.4.x branch:
====
https://github.com/apache/httpd/commit/d7dad162b7294df358284134c06d0889076d98af#diff-6b684bff3a841b11b1a51e5ab3c79761
====
Before we include the change into our own distribution, is there any reason the
patch wasn't merged into 2.4.x and this case closed?
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