_  _    __    ___  __    ___  _____  _  _
 ( \( )  /__\  / __)(  )  / __)(  _  )( \( )
  )  (  /(__)\( (__  )(__( (__  )(_)(  )  (
 (_)\_)(__)(__)\___)(____)\___)(_____)(_)\_)

The History of Hacking  ·  May 31 – June 2, 2026  ·  Carolina Beach, NC

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  • src/sbbs3/getmsg.cpp

    From Rob Swindell (on Debian Linux)@VERT to Git commit to main/sbbs/master on Wed May 6 22:36:57 2026
    https://gitlab.synchro.net/main/sbbs/-/commit/55eaccec35c18dc552485d8a
    Modified Files:
    src/sbbs3/getmsg.cpp
    Log Message:
    getmsg: guard idx.number underflow in getmsgnum (CID 530525)

    When smb_getmsgidx_by_time succeeded but returned idx.number == 0
    (should not happen for valid messages, but defensively), 'idx.number - 1' underflowed uint32_t and produced 0xFFFFFFFF == ~0, the function's
    error sentinel — accidentally correct, but undefined per signed-int
    return. Make the zero-number case explicitly return ~0.

    Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

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