https://bugs.kde.org/show_bug.cgi?id=408364
Bug ID: 408364
Summary: Valgrind causes OOM when running a function in a
deleted virtual class
Product: valgrind
Version: 3.15 SVN
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: jsew...@acm.org
Reporter: krzysio.ku...@wp.pl
Target Milestone: ---
Created attachment 120611
--> https://bugs.kde.org/attachment.cgi?id=120611&action=edit
Source code to replicate the issue
SUMMARY
If you try to run a virtual function on a deleted object, valgrind starts
allocating massive amounts of memory before running into a system-wide OOM
STEPS TO REPRODUCE
1. Compile the attached code
2. Run under valgrind
OBSERVED RESULT
Code is ran, an error is optionally reported and valgrind exits
EXPECTED RESULT
Valgrind starts allocating massive amounts of memory, never exits.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Linux-5.1.5-1-default OpenSUSE Tumbleweed
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