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gh-111178: Fix getsockaddrarg() undefined behavior #131668

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Merged
vstinner merged 12 commits into from
Apr 1, 2025
+57 −14
Merged

gh-111178: Fix getsockaddrarg() undefined behavior #131668

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88fc5c2
gh-111178: Fix getsockaddrarg() undefined behavior
vstinner Mar 24, 2025
1aebf4c
Simplify code
vstinner Mar 24, 2025
9eb932c
Initialize cid to 0
vstinner Mar 24, 2025
533a478
Use 'unsigned short' type
vstinner Mar 28, 2025
9968c1e
Use 'unsigned char'
vstinner Mar 28, 2025
a95b22d
Add NEWS entry
vstinner Mar 28, 2025
18ed09e
Use 'unsigned long' to parse channel on Windows
vstinner Mar 28, 2025
99dcf45
Fix BTPROTO_HCI on FreeBSD
vstinner Apr 1, 2025
c0d7d03
Update BTPROTO_HCI code
vstinner Apr 1, 2025
7178cfd
Change exception type to ValueError
vstinner Apr 1, 2025
94f7b6f
Remove outdated comments
vstinner Apr 1, 2025
7455bf5
Remove useless assignment
vstinner Apr 1, 2025
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Simplify code
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@vstinner
vstinner committed Mar 24, 2025
commit 1aebf4c908b9fbac3d5c921c7977d9d1c36dc229
3 changes: 1 addition & 2 deletions Modules/socketmodule.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2044,10 +2044,9 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
struct sockaddr_l2 *addr = &addrbuf->bt_l2;
memset(addr, 0, sizeof(struct sockaddr_l2));
_BT_L2_MEMB(addr, family) = AF_BLUETOOTH;
_BT_L2_MEMB(addr, bdaddr_type) = BDADDR_BREDR;
int psm;
int cid = _BT_L2_MEMB(addr, cid);
unsigned char bdaddr_type = _BT_L2_MEMB(addr, bdaddr_type);
unsigned char bdaddr_type = BDADDR_BREDR;
if (!PyArg_ParseTuple(args, "si|iB", &straddr,
&psm,
&cid,
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