On Tue, 16 Feb 2021 12:26:54 GMT, Matthias Baesken <mbaes...@openjdk.org> wrote:

> In another bug  this question from me  was answered by  Alan Bateman :
> 
> Btw. while adjusting Java_sun_nio_ch_sctp_SctpChannelImpl_receive0 , I 
> started to wonder what happens to the allocated memory in the same file in 
> handleSendFailed ( if ((addressP = malloc(dataLength)) == NULL) ) in early 
> return cases incl. the CHECK_NULL , is there some deallocation missing there 
> too ?
> 
> 
> Yes, the error paths in handleSendFailed should be looked at. If 
> NewDirectByteBuffer or recvmsg fails then addressP needs to be freed. 
> Furthermore, if the NewObject fails and bufferObj != NULL then the memory for 
> the direct buffer will need to be freed too (as JNI NewDirectByteBuffer does 
> not setup a cleaner).
> 
> 
> So I added freeing of the malloced memory to handleSendFailed .
> Please review !
> 
> Thanks, Matthias

The changes looks okay to me. I see Chris has created JDK-8261881 to setup the 
cleanup.

-------------

Marked as reviewed by alanb (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/2586

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