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-rw-r--r--gnu/packages/patches/chicken-CVE-2016-6830+CVE-2016-6831.patch81
1 files changed, 81 insertions, 0 deletions
diff --git a/gnu/packages/patches/chicken-CVE-2016-6830+CVE-2016-6831.patch b/gnu/packages/patches/chicken-CVE-2016-6830+CVE-2016-6831.patch
new file mode 100644
index 0000000000..59decde0e9
--- /dev/null
+++ b/gnu/packages/patches/chicken-CVE-2016-6830+CVE-2016-6831.patch
@@ -0,0 +1,81 @@
+diff -ur a/irregex-core.scm b/irregex-core.scm
+--- a/irregex-core.scm 2016-09-11 19:03:00.000000000 -0400
++++ b/irregex-core.scm 2017-01-01 22:24:08.000000000 -0500
+@@ -30,6 +30,8 @@
+
+ ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+ ;;;; History
++;; 0.9.6: 2016/12/05 - fixed exponential memory use of + in compilation
++;; of backtracking matcher.
+ ;; 0.9.5: 2016/09/10 - fixed a bug in irregex-fold handling of bow
+ ;; 0.9.4: 2015/12/14 - performance improvement for {n,m} matches
+ ;; 0.9.3: 2014/07/01 - R7RS library
+@@ -3170,16 +3172,7 @@
+ ((sre-empty? (sre-sequence (cdr sre)))
+ (error "invalid sre: empty *" sre))
+ (else
+- (letrec
+- ((body
+- (lp (sre-sequence (cdr sre))
+- n
+- flags
+- (lambda (cnk init src str i end matches fail)
+- (body cnk init src str i end matches
+- (lambda ()
+- (next cnk init src str i end matches fail)
+- ))))))
++ (let ((body (rec (list '+ (sre-sequence (cdr sre))))))
+ (lambda (cnk init src str i end matches fail)
+ (body cnk init src str i end matches
+ (lambda ()
+@@ -3204,10 +3197,21 @@
+ (lambda ()
+ (body cnk init src str i end matches fail))))))))
+ ((+)
+- (lp (sre-sequence (cdr sre))
+- n
+- flags
+- (rec (list '* (sre-sequence (cdr sre))))))
++ (cond
++ ((sre-empty? (sre-sequence (cdr sre)))
++ (error "invalid sre: empty +" sre))
++ (else
++ (letrec
++ ((body
++ (lp (sre-sequence (cdr sre))
++ n
++ flags
++ (lambda (cnk init src str i end matches fail)
++ (body cnk init src str i end matches
++ (lambda ()
++ (next cnk init src str i end matches fail)
++ ))))))
++ body))))
+ ((=)
+ (rec `(** ,(cadr sre) ,(cadr sre) ,@(cddr sre))))
+ ((>=)
+diff -ur a/irregex-utils.scm b/irregex-utils.scm
+--- a/irregex-utils.scm 2016-09-11 19:03:00.000000000 -0400
++++ b/irregex-utils.scm 2017-01-01 22:25:25.000000000 -0500
+@@ -89,7 +89,7 @@
+ (case (car x)
+ ((: seq)
+ (cond
+- ((and (pair? (cddr x)) (pair? (cddr x)) (not (eq? x obj)))
++ ((and (pair? (cdr x)) (pair? (cddr x)) (not (eq? x obj)))
+ (display "(?:" out) (for-each lp (cdr x)) (display ")" out))
+ (else (for-each lp (cdr x)))))
+ ((submatch)
+diff -ur "a/manual-html/Unit irregex.html" "b/manual-html/Unit irregex.html"
+--- "a/manual-html/Unit irregex.html" 2016-09-11 19:10:47.000000000 -0400
++++ "b/manual-html/Unit irregex.html" 2017-01-01 22:26:05.000000000 -0500
+@@ -353,6 +353,6 @@
+ <dd class="defsig"><p>Returns an optimized SRE matching any of the literal strings in the list, like Emacs' <tt>regexp-opt</tt>. Note this optimization doesn't help when irregex is able to build a DFA.</p></dd>
+ </dl>
+ <h5 id="sec:sre-.3estring"><a href="#sec:sre-.3estring">sre-&gt;string</a></h5><dl class="defsig"><dt class="defsig" id="def:sre-.3estring"><span class="sig"><tt>(sre-&gt;string &lt;sre&gt;)</tt></span> <span class="type">procedure</span></dt>
+-<dd class="defsig"><p>Convert an SRE to a POSIX-style regular expression string, if possible.</p></dd>
++<dd class="defsig"><p>Convert an SRE to a PCRE-style regular expression string, if possible.</p></dd>
+ </dl>
+-<hr /><p>Previous: <a href="Unit%20extras.html">Unit extras</a></p><p>Next: <a href="Unit%20srfi-1.html">Unit srfi-1</a></p></div></div></body>
+\ No newline at end of file
++<hr /><p>Previous: <a href="Unit%20extras.html">Unit extras</a></p><p>Next: <a href="Unit%20srfi-1.html">Unit srfi-1</a></p></div></div></body>