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[3.15] gh-151546: Fix stack limits on musl (#151548)#151583

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Jun 17, 2026
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[3.15] gh-151546: Fix stack limits on musl (#151548)#151583
vstinner merged 1 commit into
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@vstinner

@vstinner vstinner commented Jun 17, 2026

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If the thread stack size is set by linker flags, pass the stack size to Python/ceval.c via the new _Py_LINKER_THREAD_STACK_SIZE variable to set Py_C_STACK_SIZE macro.

(cherry picked from commit 9a61d1c)

If the thread stack size is set by linker flags, pass the stack size
to Python/ceval.c via the new _Py_LINKER_THREAD_STACK_SIZE variable
to set Py_C_STACK_SIZE macro.

(cherry picked from commit 9a61d1c)
@vstinner vstinner added the needs backport to 3.14 bugs and security fixes label Jun 17, 2026
@vstinner vstinner merged commit a5c5edd into python:3.15 Jun 17, 2026
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@vstinner vstinner deleted the stack_size15 branch June 17, 2026 09:13
@miss-islington-app

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Thanks @vstinner for the PR 🌮🎉.. I'm working now to backport this PR to: 3.14.
🐍🍒⛏🤖

@miss-islington-app

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Sorry, @vstinner, I could not cleanly backport this to 3.14 due to a conflict.
Please backport using cherry_picker on command line.

cherry_picker a5c5edddbc3ca7192c057f65fb3a8ff4ea360f96 3.14

@bedevere-app

bedevere-app Bot commented Jun 17, 2026

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GH-151591 is a backport of this pull request to the 3.14 branch.

@bedevere-app bedevere-app Bot removed the needs backport to 3.14 bugs and security fixes label Jun 17, 2026
vstinner added a commit that referenced this pull request Jun 17, 2026
[3.15] gh-151546: Fix stack limits on musl (#151548) (#151583)

gh-151546: Fix stack limits on musl (#151548)

If the thread stack size is set by linker flags, pass the stack size
to Python/ceval.c via the new _Py_LINKER_THREAD_STACK_SIZE variable
to set Py_C_STACK_SIZE macro.

(cherry picked from commit 9a61d1c)
(cherry picked from commit a5c5edd)
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