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#17788] [Backport #18574]
Get `ruby_nonempty_memcpy` to have C linkage
Fixes [Bug #17788]
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include/ruby/internal/memory.h | 2 ++
1 file changed, 2 insertions(+)
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Fix stack buffer overflow
https://hackerone.com/reports/1306859
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include/ruby/internal/memory.h | 6 +++---
random.c | 7 ++-----
2 files changed, 5 insertions(+), 8 deletions(-)
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The count of rb_alloc_tmp_buffer_with_count is the allocation size
counted in VALUE size but not in the requested element size.
Co-authored-by: Yusuke Endoh <mame@ruby-lang.org>
Co-authored-by: Koichi Sasada <ko1@atdot.net>
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Now that RUBY_ALIGNOF behaves like C11's _Alignof. This is not
necessarily the best stack arrangement. We can just give up using
__builtin_alloca_with_align(), and let alloca choose what is optimal.
Notes:
Merged: https://github.com/ruby/ruby/pull/3570
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To fix build failures.
Notes:
Merged: https://github.com/ruby/ruby/pull/3079
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Devs do not love "impl".
Notes:
Merged: https://github.com/ruby/ruby/pull/3079
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