Skip to content

gh-142476: fix memory leak when creating JIT executors #142492

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
Fidget-Spinner merged 19 commits into from
Dec 19, 2025
+9 −2
Merged

gh-142476: fix memory leak when creating JIT executors #142492

Changes from 4 commits
Commits
Show all changes
19 commits
Select commit Hold shift + click to select a range
ad78398
Store chain_depth earlier and DECREF executor
ashm-dev Dec 9, 2025
ae51767
Add comment regarding reference ownership
ashm-dev Dec 10, 2025
2f9ab2c
Merge branch 'main' into jit/gc
ashm-dev Dec 10, 2025
dc5e8d3
Merge branch 'main' into jit/gc
ashm-dev Dec 10, 2025
cf6deac
Merge remote-tracking branch 'upstream/main' into jit/gc
ashm-dev Dec 11, 2025
bb950c2
Log executor refcount and GC links
ashm-dev Dec 11, 2025
29b4663
Update optimizer.c
ashm-dev Dec 11, 2025
4068cf8
Merge branch 'main' into jit/gc
ashm-dev Dec 11, 2025
80af6fc
Merge branch 'main' into jit/gc
ashm-dev Dec 11, 2025
a22b512
Merge branch 'main' into jit/gc
ashm-dev Dec 12, 2025
94312c3
Merge remote-tracking branch 'upstream/main' into jit/gc
ashm-dev Dec 12, 2025
a166b47
fix
ashm-dev Dec 12, 2025
1136bd2
Merge remote-tracking branch 'upstream/main' into jit/gc
ashm-dev Dec 12, 2025
f3a763a
blurb add
ashm-dev Dec 12, 2025
26c577d
add comment
ashm-dev Dec 13, 2025
a483193
Merge remote-tracking branch 'upstream/main' into jit/gc
ashm-dev Dec 13, 2025
1a3b2e9
Merge branch 'main' into jit/gc
ashm-dev Dec 19, 2025
d8451d0
fix
ashm-dev Dec 19, 2025
0b6ed2d
follow PEP 7
Fidget-Spinner Dec 19, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 6 additions & 2 deletions Python/optimizer.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -185,12 +185,16 @@ _PyOptimizer_Optimize(
else {
executor->vm_data.code = NULL;
}
executor->vm_data.chain_depth = chain_depth;
assert(executor->vm_data.valid);
_PyExitData *exit = _tstate->jit_tracer_state.initial_state.exit;
if (exit != NULL) {
exit->executor = executor;
} else {
// An executor inserted into the code object now has a strong reference
// to it from the code object. Thus, we don't need this reference anymore.
Py_DECREF(executor);
}
executor->vm_data.chain_depth = chain_depth;
assert(executor->vm_data.valid);
interp->compiling = false;
return 1;
#else
Expand Down
Loading