https://issues.dlang.org/show_bug.cgi?id=22687
Issue ID: 22687
Summary: GC Leak Detector is not freeing all addresses
Product: D
Version: D2
Hardware: x86_64
OS: Linux
Status: NEW
Severity: minor
Priority: P1
Component: druntime
Assignee: [email protected]
Reporter: [email protected]
Malloc logging is called per object basis but free logging depends on debug
flags to work per object basis. It reports freeing per page basis, thus there
are some non-freed addresses remaining in logger even those are freed. Since
log_malloc doesn't check for double allocations on the same address as in the
log_free which checks double frees; this got missed.
Following line should be executed for Leak Detector even no debug flags are
provided.
https://github.com/dlang/druntime/blob/fb5494278058e2f44033b557b6f4202402f36f04/src/core/internal/gc/impl/conservative/gc.d#L2759
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