Bug fix in sqlite3_str_free(): Do not crash if called on an sqlite3_str

object returned from sqlite3_str_new() following an OOM.

FossilOrigin-Name: b6b1d069cd5528b79ab0412137971fca1963a500f99e5c53ae57de1dd90066d2

manifest

@@ -1,5 +1,5 @@
-C Fix\sa\stypo\swhich\scaused\s.headers\sto\snot\sshow\sup\sin\sthe\sshell's\s.help.
-D 2026-04-12T05:43:12.201
+C Bug\sfix\sin\ssqlite3_str_free():\sDo\snot\scrash\sif\scalled\son\san\ssqlite3_str\nobject\sreturned\sfrom\ssqlite3_str_new()\sfollowing\san\sOOM.
+D 2026-04-15T14:22:35.668
 F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
@@ -730,7 +730,7 @@ F src/pcache.h 092b758d2c5e4dabb30eae46d8dfad77c0f70b16bf3ff1943f7a232b0fe0d4ba
 F src/pcache1.c 131ca0daf4e66b4608d2945ae76d6ed90de3f60539afbd5ef9ec65667a5f2fcd
 F src/pragma.c 789ef67117b74b5be0a2db6681f7f0c55e6913791b9da309aefd280de2c8a74d
 F src/prepare.c f6a6e28a281bd1d1da12f47d370a81af46159b40f73bf7fa0b276b664f9c8b7d
-F src/printf.c d442fda86ad11da7923dbb354d3761229b5b51dbe06c5c208fa75e3411c79434
+F src/printf.c 50be92de0725e88c8b38978775ab46f9b42d74e21f65045c3423503173eb0566
 F src/random.c 606b00941a1d7dd09c381d3279a058d771f406c5213c9932bbd93d5587be4b9c
 F src/resolve.c 928ff887f2a7c64275182060d94d06fdddbe32226c569781cf7e7edc6f58d7fd
 F src/rowset.c 8432130e6c344b3401a8874c3cb49fefe6873fec593294de077afea2dce5ec97
@@ -2197,9 +2197,9 @@ F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee
 F tool/warnings.sh a554d13f6e5cf3760f041b87939e3d616ec6961859c3245e8ef701d1eafc2ca2
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
 F tool/winmain.c 00c8fb88e365c9017db14c73d3c78af62194d9644feaf60e220ab0f411f3604c
-P d4e0e81afda425b23ac52f08ab9c3a2c136b8a963bd09ebcfb2f6f305b23e396
-Q +d379b14a48d331933240fb99ab43c3cc978638d7ad0a8d5975bb211a72eaef2b
-R 49b5007973cb1f5bdd3426fa7023e5ac
-U stephan
-Z 5007a05b6f1576907f49e14e7f395aa3
+P 9efc1b6497ac5a4d0aef8fa73cdb016160720b076183c3727edc3de438e094e6
+Q +92d8ac0c4938e43b00111b43630ecfa91c30e5200ca03937a84f4b50bd1a13b3
+R bf982fdb2b0737262f307663baec6f2d
+U drh
+Z 9c02ffb5ab4d2b24e8dc0c723df6bdbb
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-9efc1b6497ac5a4d0aef8fa73cdb016160720b076183c3727edc3de438e094e6
+b6b1d069cd5528b79ab0412137971fca1963a500f99e5c53ae57de1dd90066d2

src/printf.c

@@ -1322,7 +1322,7 @@ void sqlite3_str_reset(StrAccum *p){
 ** of its content, all in one call.
 */
 void sqlite3_str_free(sqlite3_str *p){
-  if( p ){
+  if( p!=0 && p!=&sqlite3OomStr ){
     sqlite3_str_reset(p);
     sqlite3_free(p);
   }