Fix a problem with the checksum-vfs and direct-overflow-reads. Forum post [forum...

FossilOrigin-Name: 7b7ce5f17fd63932a050b917b4356c23eec6040d1c4f51136393d7c6e3d40a63

diff --cc manifest
index f148bf5e0793a6a449709e0269b593acf84f02d8,97c9534b29b15572f4742c85ac051cb59d34d041..a6fb6d9fa0fa26495ef7b181ce740c198ff2a656
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Doc\scleanups\sin\smain.mk.\sNo\sfunctional\schanges.
- D 2025-08-13T11:46:05.360
 -C Fix\sa\sproblem\swith\sthe\schecksum-vfs\sand\sdirect-overflow-reads.
 -D 2025-08-13T14:35:14.232
++C Fix\sa\sproblem\swith\sthe\schecksum-vfs\sand\sdirect-overflow-reads.\sForum\spost\s[forum:350e147cd1\s|\s350e147cd1].
++D 2025-08-13T14:40:24.606
  F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
@@@ -2169,8 -2169,11 +2169,9 @@@ F tool/version-info.c 3b36468a90faf1bbd
  F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee87c1b31a7
  F tool/warnings.sh 1ad0169b022b280bcaaf94a7fa231591be96b514230ab5c98fbf15cd7df842dd
  F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
--P f341e7812984b41acd7dd2dd795a1716a8826af4326578dcdf7d7fdd55124ceb
- R e32cc38c3ce8f20f725baa66d3c12e90
- U stephan
- Z 76cf94dc64de248e58289319551a4731
 -R b9d4e0e5e4c48c6c952ee9acefa6e446
 -T *branch * cksum-direct-ovfl-fix
 -T *sym-cksum-direct-ovfl-fix *
 -T -sym-trunk *
++P 839c998443880161af06b9f7470ebfc828251c3c1accdae5f0fbbcc13408474c 8288edb9f930206f117823cf1d18af632dc6adbd7c4c3b9bcfc252e1a5e5b9cd
++R dcede90cf6ef73118b3438717934ae9c
++T +closed 8288edb9f930206f117823cf1d18af632dc6adbd7c4c3b9bcfc252e1a5e5b9cd
+ U dan
 -Z 9f158a654620ec4ede4ad36e3e26a390
++Z e946effdcb3d5b20b01e04f284da2068
  # Remove this line to create a well-formed Fossil manifest.

diff --cc manifest.uuid
index c9e36a7127ea16148b153bf10105f0a7f62465ca,fab24b0096c6c08ad1837d6dec7a4ebf5aa8fe67..0dd04fed3a54c84701979f2eadde3716a685e815
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 839c998443880161af06b9f7470ebfc828251c3c1accdae5f0fbbcc13408474c
 -8288edb9f930206f117823cf1d18af632dc6adbd7c4c3b9bcfc252e1a5e5b9cd
++7b7ce5f17fd63932a050b917b4356c23eec6040d1c4f51136393d7c6e3d40a63