[Pcre-svn] [347] code/trunk: Match limit check added to recu…

Revision: 347

          http://www.exim.org/viewvc/pcre2?view=rev&revision=347
Author:   zherczeg
Date:     2015-08-14 10:36:04 +0100 (Fri, 14 Aug 2015)
Log Message:
-----------
Match limit check added to recursion.

Modified Paths:
--------------
    code/trunk/ChangeLog
    code/trunk/src/pcre2_jit_compile.c

Modified: code/trunk/ChangeLog
===================================================================
--- code/trunk/ChangeLog    2015-08-13 11:35:38 UTC (rev 346)
+++ code/trunk/ChangeLog    2015-08-14 09:36:04 UTC (rev 347)
@@ -142,7 +142,10 @@
 38. A bug which was introduced by the single character repetition optimization
 was fixed.

+39. Match limit check added to recursion. This issue was found by Karl Skomski
+with a custom LLVM fuzzer.

+
Version 10.20 30-June-2015
--------------------------

Modified: code/trunk/src/pcre2_jit_compile.c
===================================================================
--- code/trunk/src/pcre2_jit_compile.c    2015-08-13 11:35:38 UTC (rev 346)
+++ code/trunk/src/pcre2_jit_compile.c    2015-08-14 09:36:04 UTC (rev 347)
@@ -10251,6 +10251,7 @@
 set_jumps(common->currententry->calls, common->currententry->entry);

sljit_emit_fast_enter(compiler, TMP2, 0);
+count_match(common);
allocate_stack(common, private_data_size + framesize + alternativesize);
OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(private_data_size + framesize + alternativesize - 1), TMP2, 0);
copy_private_data(common, ccbegin, ccend, TRUE, private_data_size + framesize + alternativesize, framesize + alternativesize, needs_control_head);