Branch: refs/heads/blead
Home: https://github.com/Perl/perl5
Commit: b7b77ffc1ef26998503489eb59864f835cc04edd
https://github.com/Perl/perl5/commit/b7b77ffc1ef26998503489eb59864f835cc04edd
Author: Richard Leach <[email protected]>
Date: 2025-10-03 (Fri, 03 Oct 2025)
Changed paths:
M perl.h
M t/op/eval.t
Log Message:
-----------
CLEAR_ERRSV: create a new SV if the existing one isGV_with_GP
GH #16885 is a fuzzer-identified assert in Perl_sv_grow. Besides the
question of how the program should behave, the actual assertion comes
via the `SvPVCLEAR()` statement in `CLEAR_ERRSV`, where `svp` is
unexpectedly a PVGV with GV. This commit treats this the same as if
`svp` was READONLY - the refcount is decremented and `svp` assigned
a brand new SVt_PV.
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