8000 Possible use of unitialized socked address · Issue #132075 · python/cpython · GitHub
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serhiy-storchaka opened this issue Apr 4, 2025 · 0 comments
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Possible use of unitialized socked address #132075

serhiy-storchaka opened this issue Apr 4, 2025 · 0 comments
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3.12 only security fixes 3.13 bugs and security fixes 3.14 bugs and security fixes type-bug An unexpected behavior, bug, or error

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serhiy-storchaka commented Apr 4, 2025 •
edited by bedevere-app bot
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Bug report

New Bluetooth tests added in #132023 fail on Fedora based platforms. It looks that the hci_channel member of the sockaddr_hci structure is not initialized. This may be a cause of the failure.

On NetBSD and DragonFly sockaddr_hci is an alias of sockaddr_bt which contain other fields. This also may be an issue.

If sockaddr_hci contains additional optional members, not initializing them with zeros also may cause troubles.

It is safer to always initialize sockaddr_hci and all other sockaddr_* structures with zeroes.

Linked PRs
@serhiy-storchaka serhiy-storchaka added 3.12 only security fixes 3.13 bugs and security fixes 3.14 bugs and security fixes type-bug An unexpected behavior, bug, or error labels Apr 4, 2025
@serhiy-storchaka serhiy-storchaka self-assigned this Apr 4, 2025
serhiy-storchaka added a commit to serhiy-storchaka/cpython that referenced this issue Apr 4, 2025
@serhiy-storchaka
pythongh-132075: Fix possible use of sockaddr structures with uniniti…
f882d1e 
…alized members

Now all structure members are initialized with zeroes by default.
@bedevere-app bedevere-app bot mentioned this issue Apr 4, 2025
Merged
serhiy-storchaka added a commit that referenced this issue Apr 4, 2025
@serhiy-storchaka
gh-132075: Fix possible use of sockaddr structures with uninitialized…
345baa7 
… members (GH-132076)

Now all structure members are initialized with zeroes by default.
miss-islington pushed a commit to miss-islington/cpython that referenced this issue Apr 4, 2025
@serhiy-storchaka @miss-islington
pythongh-132075: Fix possible use of sockaddr structures with uniniti…
8fc3d49 
…alized members (pythonGH-132076)

Now all structure members are initialized with zeroes by default.
(cherry picked from commit 345baa7)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
miss-islington pushed a commit to miss-islington/cpython that referenced this issue Apr 4, 2025
@serhiy-storchaka @miss-islington
pythongh-132075: Fix possible use of sockaddr structures with uniniti…
913523a 
…alized members (pythonGH-132076)

Now all structure members are initialized with zeroes by default.
(cherry picked from commit 345baa7)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
This was referenced Apr 4, 2025
Merged
Merged
This was referenced Apr 4, 2025
Merged
Merged
serhiy-storchaka added a commit that referenced this issue Apr 4, 2025
@miss-islington @serhiy-storchaka
[3.12] gh-132075: Fix possible use of sockaddr structures with uninit…
10f73f7 
…ialized members (GH-132076) (GH-132087)

Now all structure members are initialized with zeroes by default.
(cherry picked from commit 345baa7)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
serhiy-storchaka added a commit that referenced this issue Apr 4, 2025
@miss-islington @serhiy-storchaka
[3.13] gh-132075: Fix possible use of sockaddr structures with uninit…
0c0ffbe 
…ialized members (GH-132076) (GH-132086)

Now all structure members are initialized with zeroes by default.
(cherry picked from commit 345baa7)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
@serhiy-storchaka serhiy-storchaka mentioned this issue Apr 4, 2025
Closed
seehwan pushed a commit to seehwan/cpython that referenced this issue Apr 16, 2025
@serhiy-storchaka @seehwan80
pythongh-132075: Fix possible use of sockaddr structures with uniniti…
e53530c 
…alized members (pythonGH-132076)

Now all structure members are initialized with zeroes by default.
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