From 8ed07d1274ce924779e769eedb647f11bc729259 Mon Sep 17 00:00:00 2001
From: drh <drh@noemail.net>
Date: Sun, 20 Jan 2019 00:03:59 +0000
Subject: [PATCH] Add the --max-stack option to dbfuzz2.

FossilOrigin-Name: c11ae4fed89484f0a0061002861b5d599bbda8e40a1f0c33fdbe8cb072134d5c
---
 manifest       | 14 +++++++-------
 manifest.uuid  |  2 +-
 test/dbfuzz2.c | 19 +++++++++++++++++++
 3 files changed, 27 insertions(+), 8 deletions(-)

diff --git a/manifest b/manifest
index 44325e095c..e36df26896 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Avoid\sa\sdivision-by-zero\serror\sin\sfts5\scaused\sby\sa\scorrupt\sdatabase.
-D 2019-01-19T15:55:27.886
+C Add\sthe\s--max-stack\soption\sto\sdbfuzz2.
+D 2019-01-20T00:03:59.818
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F Makefile.in 2a9d0331ab57c68173a4c2fe9046fe89c4d916a888e04dd7a2d36958c2bff777
@@ -782,7 +782,7 @@ F test/date2.test 74c234bece1b016e94dd4ef9c8cc7a199a8806c0e2291cab7ba64bace6350b
 F test/dbfuzz.c 73047c920d6210e5912c87cdffd9a1c281d4252e
 F test/dbfuzz001.test 5659cbbc01e38678c119c8a58071cac59d0d6c71837a385f3d1838012f12e1e1
 F test/dbfuzz2-seed1.db e6225c6f3d7b63f9c5b6867146a5f329d997ab105bee64644dc2b3a2f2aebaee
-F test/dbfuzz2.c cf600006051826b4c923471a0f502813d5e10f27bc627fac5a7d26c831765364
+F test/dbfuzz2.c 047e69ddf0353c3cf6db67c46ec83bbe743b7cfca36af735d63b078f75cbcca7
 F test/dbpage.test 650234ba683b9d82b899c6c51439819787e7609f17a0cc40e0080a7b6443bc38
 F test/dbstatus.test cd83aa623b8aab477269bc94cf8aa90c1e195a144561dd04a1620770aaa8524e
 F test/dbstatus2.test f5fe0afed3fa45e57cfa70d1147606c20d2ba23feac78e9a172f2fe8ab5b78ef
@@ -1800,7 +1800,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 7cd56cad5efead5097e9918c87313bb46e583fe62bae0df1be60e10117e2c3cb
-R ce6dd7c281d4e63f810428007f9405ad
-U dan
-Z f7b3453d78000e6a39688d7713d9192b
+P 928e622178bd004be52b2271ac554176aebe9d6e115ecac4e7072eccbb4262b5
+R 15aa3d19a54804c9c76653f8590163ad
+U drh
+Z 7cb1a953620d3f856a072e0ae1692e4d
diff --git a/manifest.uuid b/manifest.uuid
index c3df826ed8..9db2b04410 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-928e622178bd004be52b2271ac554176aebe9d6e115ecac4e7072eccbb4262b5
\ No newline at end of file
+c11ae4fed89484f0a0061002861b5d599bbda8e40a1f0c33fdbe8cb072134d5c
\ No newline at end of file
diff --git a/test/dbfuzz2.c b/test/dbfuzz2.c
index 212327ff6b..287eb26153 100644
--- a/test/dbfuzz2.c
+++ b/test/dbfuzz2.c
@@ -43,6 +43,8 @@
 #include <stdarg.h>
 #include <ctype.h>
 #include <stdint.h>
+#include <sys/time.h>
+#include <sys/resource.h>
 #include "sqlite3.h"
 
 /*
@@ -148,6 +150,23 @@ int LLVMFuzzerInitialize(int *pArgc, char ***pArgv){
         bVdbeDebug = 1;
         continue;
       }
+      if( strcmp(z,"max-stack")==0 ){
+        struct rlimit x,y;
+        if( i+1==argc ){
+          fprintf(stderr, "missing argument to %s\n", argv[i]);
+          exit(1);
+        }
+        memset(&x,0,sizeof(x));
+        getrlimit(RLIMIT_STACK, &x);
+        y.rlim_cur = atoi(argv[++i]);
+        y.rlim_max = x.rlim_cur;
+        setrlimit(RLIMIT_STACK, &y);
+        memset(&y,0,sizeof(y));
+        getrlimit(RLIMIT_STACK, &y);
+        printf("Stack size limit changed from %d to %d\n", 
+               (int)x.rlim_cur, (int)y.rlim_cur);
+        continue;
+      }
     }
     argv[j++] = argv[i];
   }