RFR: JDK-8319382: com/sun/jdi/JdwpAllowTest.java shows failures on AIX if prefixLen of mask is larger than 32 in IPv6 case

[Matthias Baesken]

On Thu, 11 Jan 2024 15:46:59 GMT, Joachim Kern <jkern at openjdk.org> wrote:

> In parseAllowedMask in socketTransport.c, prefixLen of mask is compared with a maxValue (32 for IPv4, 128 otherwise).  This fails if it is larger than 32, because getaddrinfo seems to detect IPv4 family, if IPv6 address has set only some of the last 32 Bits. So we take the wrong maxValue.

src/jdk.jdwp.agent/share/native/libdt_socket/socketTransport.c line 428:

> 426:         convertIPv4ToIPv6(&sa, &addr6);
> 427:         *isIPv4 = 1;
> 428:     } else

Better use braces here too in the `else` part.

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PR Review Comment: https://git.openjdk.org/jdk/pull/17374#discussion_r1449073666