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authorErlang/OTP <[email protected]>2015-01-30 16:57:04 +0100
committerErlang/OTP <[email protected]>2015-01-30 16:57:04 +0100
commitcd450ec99350bff295c42252b191687fee415c7a (patch)
treeb7d51daf3351651ee477cb86b98aeb35eec42fa6 /erts/doc
parentda5fd6235034221c5630fa52aa48370d207027ed (diff)
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@@ -30,6 +30,65 @@
</header>
<p>This document describes the changes made to the ERTS application.</p>
+<section><title>Erts 6.3.1</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Fix getifaddrs realloc pointer error</p>
+ <p>
+ When a buffer was exhausted and subsequently reallocated,
+ we could get an unsafe pointer pointing to faulty memory.</p>
+ <p>
+ For this to occur we would need to have a large number of
+ interfaces and a reallocation of memory to a lower
+ addresses.</p>
+ <p>
+ The symptom would be garbage returned from
+ erlang:port_control(Port, 25, [])
+ (prim_inet:getifaddrs(Port) resulting in a badarg) or a
+ segmentation fault.</p>
+ <p>
+ Own Id: OTP-12445</p>
+ </item>
+ <item>
+ <p>
+ Don't close all file descriptors twice in child_setup</p>
+ <p>
+ The commit c2b4eab25c907f453a394d382c04cd04e6c06b49
+ introduced an error in which child_setup erroneously
+ tried to close all file descriptors twice.</p>
+ <p>
+ Use closefrom() if available when closing all file
+ descriptors.</p>
+ <p>
+ The function closefrom() was only used in the vfork()
+ case before but is now also used in the fork() case if
+ available.</p>
+ <p>
+ Own Id: OTP-12446</p>
+ </item>
+ <item>
+ <p>
+ During a crashdump all file descriptors are closed to
+ ensure the closing of the epmd port and to reserve a file
+ descriptor for the crashdump file.</p>
+ <p>
+ If a driver (third party library) cannot handle closing
+ of sockets this could result in a segmentation fault in
+ which case a crashdump would not be produced. This is now
+ fixed by only closing inets sockets via an emergency
+ close callback to the driver and thus closing the epmd
+ socket.</p>
+ <p>
+ Own Id: OTP-12447</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Erts 6.3</title>
<section><title>Fixed Bugs and Malfunctions</title>