GNU bug report logs - #31946
27.0.50; The NSM should warn about more TLS problems

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From: Andy Moreton <andrewjmoreton <at> gmail.com>
To: 31946 <at> debbugs.gnu.org
Subject: bug#31946: 27.0.50; The NSM should warn about more TLS problems
Date: Mon, 26 Aug 2019 14:13:18 +0100

On Mon 26 Aug 2019, Lars Ingebrigtsen wrote:

> The netsec branch has now been merged into the trunk and I'm closing
> this bug report.

After this merge, the network tests fail on 64 bit windows (MSYS2), and
using any network functionality results in crashes.

From emacs --no-desktop under gdb, running list-packages pops upo the
NSM "Certificate information" window and asks "Continue comnecting?".
Any of the asnwer for this question result in a crash.

warning: HEAP[emacs.exe]: 
warning: Invalid address specified to RtlFreeHeap( 0000000002720000, 0000000006037150 )

Thread 1 received signal SIGTRAP, Trace/breakpoint trap.
0x00007ff9199863b7 in ntdll!RtlpNtMakeTemporaryKey () from C:\WINDOWS\SYSTEM32\ntdll.dll
(gdb) #0  0x00007ff9199863b7 in ntdll!RtlpNtMakeTemporaryKey () from C:\WINDOWS\SYSTEM32\ntdll.dll
No symbol table info available.
#1  0x00007ff919941467 in ntdll!memset () from C:\WINDOWS\SYSTEM32\ntdll.dll
No symbol table info available.
#2  0x00007ff919985290 in ntdll!RtlpNtMakeTemporaryKey () from C:\WINDOWS\SYSTEM32\ntdll.dll
No symbol table info available.
#3  0x00007ff9199356b8 in ntdll!memset () from C:\WINDOWS\SYSTEM32\ntdll.dll
No symbol table info available.
#4  0x00007ff9198c07a0 in ntdll!RtlGetCurrentServiceSessionId () from C:\WINDOWS\SYSTEM32\ntdll.dll
No symbol table info available.
#5  0x00007ff9198bfba1 in ntdll!RtlFreeHeap () from C:\WINDOWS\SYSTEM32\ntdll.dll
No symbol table info available.
#6  0x000000040029e7aa in free_after_dump (ptr=0x6037150) at C:/emacs/git/emacs/master/src/w32heap.c:504
No locals.
#7  0x000000040018b7f4 in xfree (block=0x6037150) at C:/emacs/git/emacs/master/src/alloc.c:748
No locals.
#8  0x0000000400227bb0 in Fgnutls_format_certificate (cert=XIL(0xd97ad24)) at C:/emacs/git/emacs/master/src/gnutls.c:1616
        err = 0x0
        crt = 0x62247a0
        crt_data = {
          data = 0xd97fd28 "-----BEGIN CERTIFICATE-----\nMIIFUTCCBDmgAwIBAgISBOm+yiBCrLLuPB59/zwFk1v7MA0GCSqGSIb3DQEBCwUA\nMEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD\nExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw"..., 
          size = 0x76f
        }
        out = {
          data = 0x6037150 "X.509 Certificate Information:\n\tVersion: 3\n\tSerial Number (hex): 04e9beca2042acb2ee3c1e7dff3c05935bfb\n\tIssuer: CN=Let's Encrypt Authority X3,O=Let's Encrypt,C=US\n\tValidity:\n\t\tNot Before: Wed Aug 07 20"..., 
          size = 0x101f
        }
        out_buf = 0x8968130 "X.509 Certificate Information:\n\tVersion: 3\n\tSerial Number (hex): 04e9beca2042acb2ee3c1e7dff3c05935bfb\n\tIssuer: CN=Let's Encrypt Authority X3,O=Let's Encrypt,C=US\n\tValidity:\n\t\tNot Before: Wed Aug 07 20"...
        result = XIL(0x5b20003)
#9  0x00000004001c2091 in funcall_subr (subr=0x4006667c0 <Sgnutls_format_certificate>, numargs=0x1, args=0xbfba20) at C:/emacs/git/emacs/master/src/eval.c:2876
        internal_argbuf = {XIL(0xbfb930), XIL(0x4001042d1), XIL(0xbfb940), make_fixnum(4295234243), XIL(0x4006667c0), XIL(0x10), XIL(0), XIL(0)}
        internal_args = 0xbfba20
[...snipped...]

Lisp Backtrace:
"gnutls-format-certificate" (0xbfba20)
"nsm-query-user" (0xbfc0a0)
"nsm-query" (0xbfc5b0)
"nsm-check-tls-connection" (0xbfcbc0)
"nsm-verify-connection" (0xbfd0c8)
"read-event" (0xbfdd78)
"sit-for" (0xbfe298)
"execute-extended-command" (0xbfea00)
"funcall-interactively" (0xbfe9f8)
"call-interactively" (0xbfeec0)
"command-execute" (0xbff3f8)

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