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author | nagachika <nagachika@ruby-lang.org> | 2023-03-21 12:02:04 +0900 |
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committer | nagachika <nagachika@ruby-lang.org> | 2023-03-21 12:02:04 +0900 |
commit | 159930b7857bd3fe603840f686edffb54693d2a7 (patch) | |
tree | 2b0fa83ad8daa9818f035b5ea024feed19a2678e | |
parent | eba3f787cbd38acf60fff6bdb450aacfc2e9c3a1 (diff) | |
download | ruby-159930b7857bd3fe603840f686edffb54693d2a7.tar.gz |
merge revision(s) d8ef0a98c670449b20436947f5ebbd327ed5ab0d: [Backport #19319]
[Bug #19319] Fix crash in rb_str_casemap
The following code crashes on my machine:
```
GC.stress = true
str = "testing testing testing"
puts str.capitalize
```
We need to ensure that the object `buffer_anchor` remains on the stack
so it does not get GC'd.
---
string.c | 2 ++
1 file changed, 2 insertions(+)
-rw-r--r-- | string.c | 2 | ||||
-rw-r--r-- | version.h | 2 |
2 files changed, 3 insertions, 1 deletions
@@ -7110,6 +7110,8 @@ rb_str_casemap(VALUE source, OnigCaseFoldType *flags, rb_encoding *enc) DATA_PTR(buffer_anchor) = 0; mapping_buffer_free(current_buffer); + RB_GC_GUARD(buffer_anchor); + /* TODO: check about string terminator character */ str_enc_copy(target, source); /*ENC_CODERANGE_SET(mapped, cr);*/ @@ -11,7 +11,7 @@ # define RUBY_VERSION_MINOR RUBY_API_VERSION_MINOR #define RUBY_VERSION_TEENY 4 #define RUBY_RELEASE_DATE RUBY_RELEASE_YEAR_STR"-"RUBY_RELEASE_MONTH_STR"-"RUBY_RELEASE_DAY_STR -#define RUBY_PATCHLEVEL 195 +#define RUBY_PATCHLEVEL 196 #define RUBY_RELEASE_YEAR 2023 #define RUBY_RELEASE_MONTH 3 |