Please bear with me, as this whole Open Source concept is new to me. I have
several fixes that I've made over the past two days, and I've reported them
all to "you", but then I realized that I don't know who "you" is. Is it the
same as "me"? Am I supposed to somehow submit my fixes myself? Who, if
anyone, verifies them for correctness? How do I get the patches into the
distribution code? How fast can this happen? How, exactly, does all this
work? Again, please cut me some slack, as I don't know how all this is
supposed to work.
Aside from all that, I have a much more important issue. While it appears
that I've fixed the other crash problem I was having, now lh_retrieve
(crypto/lhash/lhash.c) is crashing. It's not obvious to me from looking at
the code how this could be happening.
Specifically, the call to lh_retrieve comes from ERR_get_state, and it all
looks thread-safe to me. Apparently it's not, though. Unfortunately, I
discovered this crash last night after about 122,000 calls across 122,000
threads running 20 threads at a time. It's pretty hard to catch anything
about to happen that way. The problem, of course, is that until I fix this
bug I don't have a product, and we were supposed to be shipping a week ago.
Business as usual...
As before, this problem occurs in thread cleanup before exit, in the calling
sequence:
int iErr = ERR_get_error (); <<- Problem is in here...
ERR_error_string (iErr, buf);
ERR_reason_error_string (iErr);
ERR_remove_state (0);
Here's a dbx stack trace. Anyone have any ideas?
(in this case, the call to get_error_values is an optimization of the call
to ERR_get_err, above.)
(dbx) where
current thread: t@245478
[1] lh_retrieve(0x56828, 0x6f77, 0xe27cc, 0x61737465, 0xedc0f88c,
0xe9df0), at 0x5520c
[2] ERR_get_state(0xb09a8, 0xef5d9c08, 0x893, 0x0, 0x0, 0x3bee6), at
0x56994
[3] get_error_values(0x1, 0x0, 0x0, 0x0, 0x0, 0x0), at 0x56194
[4] 0xef786ca8(0xe8fd0, 0xef5aaa1c, 0xef5a6ae8, 0x14, 0x7, 0x38e12c), at
0xef786ca7
=>[5] __cAppThread::~__cAppThread(this = 0xe8fd0), line 304 in
"SockTest.cpp"
[6] __SLIP.DELETER__B(0xe8fd0, 0x1, 0x64, 0x16760, 0xe1b70, 0xe8fd0), at
0x2b2b0
[7] __cAppThread::ThreadMain(this = 0xe8fd0), line 329 in "SockTest.cpp"
[8] ThreadRootStartingPoint(pThreadInstance = 0xe8fd0), line 74 in
"cThread.cpp"
Thanks again for the help,
Bill Rebey
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