зеркало из https://github.com/github/ruby.git
Add missing RB_GC_GUARDs related to DATA_PTR
I discovered the problem in `compile.c` from a failing TestIseqLoad#test_stressful_roundtrip test with ASAN enabled. The other two changes in array.c and string.c I found by auditing similar usages of DATA_PTR in the codebase. [Bug #20402]
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174b671699
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9d0a5148ae
1
array.c
1
array.c
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@ -6643,6 +6643,7 @@ ary_sample(rb_execution_context_t *ec, VALUE ary, VALUE randgen, VALUE nv, VALUE
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});
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DATA_PTR(vmemo) = 0;
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st_free_table(memo);
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RB_GC_GUARD(vmemo);
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}
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else {
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result = rb_ary_dup(ary);
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@ -11318,6 +11318,7 @@ iseq_build_from_ary_body(rb_iseq_t *iseq, LINK_ANCHOR *const anchor,
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}
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}
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DATA_PTR(labels_wrapper) = 0;
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RB_GC_GUARD(labels_wrapper);
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validate_labels(iseq, labels_table);
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if (!ret) return ret;
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return iseq_setup(iseq, anchor);
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1
string.c
1
string.c
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@ -1148,6 +1148,7 @@ str_cat_conv_enc_opts(VALUE newstr, long ofs, const char *ptr, long len,
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rb_str_resize(newstr, olen);
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}
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DATA_PTR(econv_wrapper) = 0;
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RB_GC_GUARD(econv_wrapper);
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rb_econv_close(ec);
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switch (ret) {
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case econv_finished:
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