https://bugzilla.mindrot.org/show_bug.cgi?id=3300
Bug ID: 3300
Summary: ssh reports the error when use ssh -o
"ConnectTimeout=2147483649"
Product: Portable OpenSSH
Version: 8.2p1
Hardware: ARM64
OS: Linux
Status: NEW
Severity: major
Priority: P5
Component: ssh
Assignee: [email protected]
Reporter: [email protected]
After rectification: The ssh -o "ConnectTimeout=2147483649"
[email protected] reports the error " ssh: connect to host 3.82.3.249
port 22: Connection timed out".
If ConnectTimeout is greater than or equal to 2147484 in the command,
set the maximum value INT_MAX to the variable connection_timeout in the
code according to the patch.
However, when the value of ConnectTimeout > 2147484 is 2147483649, the
value of connection_timeout overflow in the code is 1000 ms instead of
INT_MAX.
Method of reproducing the problem:
1. Integrate
https://github.com/openssh/openssh-portable/commit/819b44e8b9af6ce18d3ec7505b9f461bf7991a1f.
2. ssh -o "ConnectTimeout=2147483647" [email protected]
//connection_timeout=INT_MAX
ssh -o "ConnectTimeout=2147483648" [email protected] //:
connection_timeout = INT_MAX. The actual test variable
connection_timeout is 0, and the command ConnectTimeout is 0.
ssh -o "ConnectTimeout=2147483649" [email protected] //:
connection_timeout = INT_MAX, the actual test variable
connection_timeout = 1000, and the command ConnectTimeout = 1.
#define INT_MAX 2147483647
#define INT_MIN (-INT_MAX - 1)
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