https://bugzilla.redhat.com/show_bug.cgi?id=2160077
--- Comment #1 from Petr Pisar <ppisar(a)redhat.com> ---
Valgrind reports:
==28039== Memcheck, a memory error detector
==28039== Copyright (C) 2002-2022, and GNU GPL'd, by Julian Seward et al.
==28039== Using Valgrind-3.20.0 and LibVEX; rerun with -h for copyright info
==28039== Command: perl -Iblib/lib -Iblib/arch t/test.t
==28039==
==28039== Source and destination overlap in memcpy_chk(0x1ffeffd594,
0x1ffeffd5a0, 24)
==28039== at 0x484C332: __memcpy_chk (vg_replace_strmem.c:1741)
==28039== by 0x5735CFB: UnknownInlinedFun (string_fortified.h:36)
==28039== by 0x5735CFB: img_2d_transform (rotate.c:1171)
==28039== by 0x56DCCCA: Image_transform (conv.c:961)
==28039== by 0x566EDD2: template_xs_Bool_Handle_HVPtr (thunks.tinc:3759)
==28039== by 0x497BECF: Perl_pp_entersub (pp_hot.c:5352)
==28039== by 0x496D84F: Perl_runops_standard (run.c:41)
==28039== by 0x48DDFA0: UnknownInlinedFun (perl.c:2721)
==28039== by 0x48DDFA0: perl_run (perl.c:2644)
==28039== by 0x109349: main (perlmain.c:110)
==28039==
**28039** *** memcpy_chk: buffer overflow detected ***: program terminated
==28039== at 0x48470AC: VALGRIND_PRINTF_BACKTRACE (valgrind.h:6815)
==28039== by 0x484C3BC: __memcpy_chk (vg_replace_strmem.c:1741)
==28039== by 0x5735CFB: UnknownInlinedFun (string_fortified.h:36)
==28039== by 0x5735CFB: img_2d_transform (rotate.c:1171)
==28039== by 0x56DCCCA: Image_transform (conv.c:961)
==28039== by 0x566EDD2: template_xs_Bool_Handle_HVPtr (thunks.tinc:3759)
==28039== by 0x497BECF: Perl_pp_entersub (pp_hot.c:5352)
==28039== by 0x496D84F: Perl_runops_standard (run.c:41)
==28039== by 0x48DDFA0: UnknownInlinedFun (perl.c:2721)
==28039== by 0x48DDFA0: perl_run (perl.c:2644)
==28039== by 0x109349: main (perlmain.c:110)
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https://bugzilla.redhat.com/show_bug.cgi?id=2160077