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[3.12] gh-107080: Fix Py_TRACE_REFS Crashes Under Isolated Subinterpreters (gh-107567) (#107599)

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gh-107080: Fix Py_TRACE_REFS Crashes Under Isolated Subinterpreters (gh-107567)

The linked list of objects was a global variable, which broke isolation between interpreters, causing crashes. To solve this, we've moved the linked list to each interpreter.
(cherry picked from commit 58ef741867)

Co-authored-by: Eric Snow <ericsnowcurrently@gmail.com>
This commit is contained in:
Miss Islington (bot) 2023-08-03 15:18:29 -07:00 • committed by GitHub
parent d2c7b25afb
commit 58af2293c5
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 62 additions and 29 deletions
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8
Python/pylifecycle.c
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@ -1920,11 +1920,11 @@ Py_FinalizeEx(void)
}
if (dump_refs) {
_Py_PrintReferences(stderr);
_Py_PrintReferences(tstate->interp, stderr);
}
if (dump_refs_fp != NULL) {
_Py_PrintReferences(dump_refs_fp);
_Py_PrintReferences(tstate->interp, dump_refs_fp);
}
#endif /* Py_TRACE_REFS */
@ -1960,11 +1960,11 @@ Py_FinalizeEx(void)
*/
if (dump_refs) {
_Py_PrintReferenceAddresses(stderr);
_Py_PrintReferenceAddresses(tstate->interp, stderr);
}
if (dump_refs_fp != NULL) {
_Py_PrintReferenceAddresses(dump_refs_fp);
_Py_PrintReferenceAddresses(tstate->interp, dump_refs_fp);
fclose(dump_refs_fp);
}
#endif /* Py_TRACE_REFS */