[Bug 1940516] [NEW] A potential bug of return stack address

[yuxuan He]

Public bug reported:

Ubuntu version: 18.04
sqlite version:3.22

Hello,I found apotential bugs in package sqlite3,and the .docx file in
the attachment I uploaded shows the occurrence process of the bug in a
graphical way.Would you help me check whether the bug mentioned below
are true? Thank you very much for your patience.

In file sqlite3/build/shell.c(build is a directory generated by configure)
In function zipfileFilter
In line 4923:
load value of pointer which is parameter of function to pCsr
In line 4966:
load stack address to member of *pCsr
The entire graphic description is shown in figure 1 in .docx file.

** Affects: sqlite3 (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "return_stack_address.docx"
   https://bugs.launchpad.net/bugs/1940516/+attachment/5519049/+files/return_stack_address.docx

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https://bugs.launchpad.net/bugs/1940516

Title:
  A potential bug of return stack address

Status in sqlite3 package in Ubuntu:
  New

Bug description:
  Ubuntu version: 18.04
  sqlite version:3.22

  Hello,I found apotential bugs in package sqlite3,and the .docx file in
  the attachment I uploaded shows the occurrence process of the bug in a
  graphical way.Would you help me check whether the bug mentioned below
  are true? Thank you very much for your patience.

  In file sqlite3/build/shell.c(build is a directory generated by configure)
  In function zipfileFilter
  In line 4923:
  load value of pointer which is parameter of function to pCsr
  In line 4966:
  load stack address to member of *pCsr
  The entire graphic description is shown in figure 1 in .docx file.

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