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bpo-40955: Fix memory leak in subprocess module #20825

Merged
merged 2 commits into from
Jun 12, 2020
Merged

bpo-40955: Fix memory leak in subprocess module #20825

merged 2 commits into from
Jun 12, 2020

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tiran
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@tiran tiran commented Jun 12, 2020 •
edited by miss-islington
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Direct leak of 8 byte(s) in 1 object(s) allocated from:
    #0 0x7f008bf19667 in __interceptor_malloc (/lib64/libasan.so.6+0xb0667)
    #1 0x7f007a0bee4a in subprocess_fork_exec /home/heimes/dev/python/cpython/Modules/_posixsubprocess.c:774
    #2 0xe0305b in cfunction_call Objects/methodobject.c:546

Signed-off-by: Christian Heimes [email protected]

https://bugs.python.org/issue40955

Automerge-Triggered-By: @tiran

@tiran
bpo-40955: Fix memory leak in subprocess module
6c0d458 
```
Direct leak of 8 byte(s) in 1 object(s) allocated from:
    #0 0x7f008bf19667 in __interceptor_malloc (/lib64/libasan.so.6+0xb0667)
    #1 0x7f007a0bee4a in subprocess_fork_exec /home/heimes/dev/python/cpython/Modules/_posixsubprocess.c:774
    #2 0xe0305b in cfunction_call Objects/methodobject.c:546
```

Signed-off-by: Christian Heimes <[email protected]>
@tiran tiran requested a review from gpshead June 12, 2020 10:00
@gpshead gpshead added the type-bug An unexpected behavior, bug, or error label Jun 12, 2020
@miss-islington miss-islington merged commit 0d3350d into python:master Jun 12, 2020
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Thanks @tiran for the PR 🌮🎉.. I'm working now to backport this PR to: 3.7, 3.8, 3.9.
🐍🍒⛏🤖

miss-islington pushed a commit to miss-islington/cpython that referenced this pull request Jun 12, 2020
@tiran @miss-islington
bpo-40955: Fix memory leak in subprocess module (pythonGH-20825)
76e2d45 
```
Direct leak of 8 byte(s) in 1 object(s) allocated from:
    GH-0 0x7f008bf19667 in __interceptor_malloc (/lib64/libasan.so.6+0xb0667)
    GH-1 0x7f007a0bee4a in subprocess_fork_exec /home/heimes/dev/python/cpython/Modules/_posixsubprocess.c:774
    GH-2 0xe0305b in cfunction_call Objects/methodobject.c:546
```

Signed-off-by: Christian Heimes <[email protected]>
(cherry picked from commit 0d3350d)

Co-authored-by: Christian Heimes <[email protected]>
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GH-20831 is a backport of this pull request to the 3.9 branch.

@bedevere-bot bedevere-bot removed the needs backport to 3.9 only security fixes label Jun 12, 2020
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GH-20832 is a backport of this pull request to the 3.8 branch.

miss-islington pushed a commit to miss-islington/cpython that referenced this pull request Jun 12, 2020
@tiran @miss-islington
bpo-40955: Fix memory leak in subprocess module (pythonGH-20825)
9517690 
```
Direct leak of 8 byte(s) in 1 object(s) allocated from:
    GH-0 0x7f008bf19667 in __interceptor_malloc (/lib64/libasan.so.6+0xb0667)
    GH-1 0x7f007a0bee4a in subprocess_fork_exec /home/heimes/dev/python/cpython/Modules/_posixsubprocess.c:774
    GH-2 0xe0305b in cfunction_call Objects/methodobject.c:546
```

Signed-off-by: Christian Heimes <[email protected]>
(cherry picked from commit 0d3350d)

Co-authored-by: Christian Heimes <[email protected]>
@bedevere-bot
Copy link

GH-20833 is a backport of this pull request to the 3.7 branch.

miss-islington pushed a commit to miss-islington/cpython that referenced this pull request Jun 12, 2020
@tiran @miss-islington
bpo-40955: Fix memory leak in subprocess module (pythonGH-20825)
ec1e2b6 
```
Direct leak of 8 byte(s) in 1 object(s) allocated from:
    GH-0 0x7f008bf19667 in __interceptor_malloc (/lib64/libasan.so.6+0xb0667)
    GH-1 0x7f007a0bee4a in subprocess_fork_exec /home/heimes/dev/python/cpython/Modules/_posixsubprocess.c:774
    GH-2 0xe0305b in cfunction_call Objects/methodobject.c:546
```

Signed-off-by: Christian Heimes <[email protected]>
(cherry picked from commit 0d3350d)

Co-authored-by: Christian Heimes <[email protected]>
miss-islington added a commit that referenced this pull request Jun 12, 2020
@miss-islington @tiran
bpo-40955: Fix memory leak in subprocess module (GH-20825)
ee3f7fe 
```
Direct leak of 8 byte(s) in 1 object(s) allocated from:
    GH-0 0x7f008bf19667 in __interceptor_malloc (/lib64/libasan.so.6+0xb0667)
    GH-1 0x7f007a0bee4a in subprocess_fork_exec /home/heimes/dev/python/cpython/Modules/_posixsubprocess.c:774
    GH-2 0xe0305b in cfunction_call Objects/methodobject.c:546
```

Signed-off-by: Christian Heimes <[email protected]>
(cherry picked from commit 0d3350d)

Co-authored-by: Christian Heimes <[email protected]>
arun-mani-j pushed a commit to arun-mani-j/cpython that referenced this pull request Jul 21, 2020
@tiran @arun-mani-j
bpo-40955: Fix memory leak in subprocess module (pythonGH-20825)
c5baac6 
```
Direct leak of 8 byte(s) in 1 object(s) allocated from:
    #0 0x7f008bf19667 in __interceptor_malloc (/lib64/libasan.so.6+0xb0667)
    #1 0x7f007a0bee4a in subprocess_fork_exec /home/heimes/dev/python/cpython/Modules/_posixsubprocess.c:774
    python#2 0xe0305b in cfunction_call Objects/methodobject.c:546
```

Signed-off-by: Christian Heimes <[email protected]>
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