bug#15648: 24.2.50; gnutls SSL connection to IMAP server causes emacs to crash completely, bug#15648: 24.2.50; gnutls SSL connection to IMAP server causes emacs to crash completely

[<emacs@kosowsky.org>]

Eli Zaretskii wrote at about 21:00:21 +0300 on Wednesday, October 23, 2013:
 > > From: <emacs@kosowsky.org>
 > > What do I need to do to get a backtrace?
 > 
 > Run Emacs under GDB, like this:
 > 
 >   gdb ./emacs.exe
 > 
 > When GDB finishes displaying its startup blurbs, just type "run", and
 > do whatever you do in Emacs to reproduce the problem.  When the
 > problem does happen, GDB will kick in, and you should type this at the
 > GDB prompt:
 > 
 >  (gdb) thread apply all bt
 > 

Here is the backtrace....

Reading symbols from C:\MyPrograms\Emacs\bin\emacs.exe...(no debugging
symbols f
ound)...done.
(gdb) run
The program being debugged has been started already.
Start it from the beginning? (y or n) y

Starting program: C:\MyPrograms\Emacs\bin\emacs.exe
[New Thread 124728.0x31b44]
[New Thread 124728.0x802c]
[New Thread 124728.0x7e7c]
[New Thread 124728.0x7dd8]
[New Thread 124728.0x31e98]
[New Thread 124728.0x318b8]
[New Thread 124728.0x31cbc]
[New Thread 124728.0x31e28]

Program received signal SIGSEGV, Segmentation fault.
0x6d099192 in _gnutls_record_buffer_get_size ()
   from C:\kosowsky\bin\libgnutls-28.dll
(gdb) thread apply all bt

Thread 8 (Thread 124728.0x31e28):
#0  0x77abf8d1 in ntdll!ZwWaitForSingleObject ()
   from C:\Windows\system32\ntdll.dll
#1  0x77abf8d1 in ntdll!ZwWaitForSingleObject ()
   from C:\Windows\system32\ntdll.dll
#2  0x709217cd in ?? () from C:\Windows\SysWOW64\mswsock.dll
#3  0x709276b6 in ?? () from C:\Windows\SysWOW64\mswsock.dll
#4  0x772e6b87 in recv () from C:\Windows\syswow64\ws2_32.dll
#5  0x01021e2d in _sys_read_ahead ()
#6  0x00000000 in ?? ()

Thread 5 (Thread 124728.0x31e98):
#0  0x77abf8d1 in ntdll!ZwWaitForSingleObject ()
   from C:\Windows\system32\ntdll.dll
#1  0x77abf8d1 in ntdll!ZwWaitForSingleObject ()
   from C:\Windows\system32\ntdll.dll
#2  0x76ea149d in WaitForSingleObjectEx ()
   from C:\Windows\syswow64\KernelBase.dll
#3  0x00000278 in ?? ()
#4  0x00000000 in ?? ()

Thread 4 (Thread 124728.0x7dd8):
#0  0x773378d7 in USER32!DispatchMessageW ()
   from C:\Windows\syswow64\user32.dll
#1  0x010c8640 in w32_msg_pump.isra.23 ()
#2  0x80000000 in ?? ()

Thread 3 (Thread 124728.0x7e7c):
#0  0x77abfd91 in ntdll!ZwDelayExecution () from
C:\Windows\system32\ntdll.dll
#1  0x77abfd91 in ntdll!ZwDelayExecution () from
C:\Windows\system32\ntdll.dll
#2  0x76ea3bc8 in SleepEx () from C:\Windows\syswow64\KernelBase.dll
#3  0x00000000 in ?? ()

Thread 2 (Thread 124728.0x802c):
#0  0x77ac015d in ntdll!ZwWaitForMultipleObjects ()
   from C:\Windows\system32\ntdll.dll
#1  0x77ac015d in ntdll!ZwWaitForMultipleObjects ()
   from C:\Windows\system32\ntdll.dll
#2  0x77af2f91 in ntdll!RtlMoveMemory () from
C:\Windows\system32\ntdll.dll
#3  0x00000001 in ?? ()
#4  0x00000001 in ?? ()
#5  0x00000000 in ?? ()

Thread 1 (Thread 124728.0x31b44):
#0  0x6d099192 in _gnutls_record_buffer_get_size ()
   from C:\kosowsky\bin\libgnutls-28.dll
#1  0x6d0995c8 in gnutls_record_check_pending ()
   from C:\kosowsky\bin\libgnutls-28.dll
#2  0x01015e15 in wait_reading_process_output ()
#3  0x0088e7d8 in ?? ()
(gdb)