pussuw commented on PR #16361:
URL: https://github.com/apache/nuttx/pull/16361#issuecomment-2945176351

   > > I am experiencing kernel crashes related to sockets, 
sendmsg->psock_sendmsg .
   > > This PR solves the issue; is this now good to be merged?
   > > @Donny9 , @xiaoxiang781216 ?
   > 
   > please wait a moment, because we found that mountpt_operations::dup 
doesn't need in the new approach and dup function need more change. @Donny9 is 
refining the patchset and do the internal testing.
   
   Does this have something to do with file_dup and file_dup2 (or file pointer 
duplication in general)? They both seem to fit very poorly into the new 
approach but did not know whether they can be removed or not. I also suspected 
that the ops::dup() is redundant but did not know for sure if some kernel 
component depends on it.
   
   Good that you are making a cleanup round for them, but I'd like to remind 
that even in its current state these patches should not break existing 
functionality and they fix a massive kernel side crash (for us at least).


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