URI: 

       tlib9: reject postnote with special pids - plan9port - [fork] Plan 9 from user space
  HTML git clone git://src.adamsgaard.dk/plan9port
   DIR Log
   DIR Files
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   DIR README
   DIR LICENSE
       ---
   DIR commit 0cc1faf015a253ef64b97a8453b6fc959c0ee512
   DIR parent fdcf3d70c24886dddb5fd7052dfada67d33d5c75
  HTML Author: Russ Cox <rsc@swtch.com>
       Date:   Thu, 14 Jan 2021 09:59:03 -0500
       
       lib9: reject postnote with special pids
       
       Diffstat:
         M src/lib9/postnote.c                 |       5 +++++
       
       1 file changed, 5 insertions(+), 0 deletions(-)
       ---
   DIR diff --git a/src/lib9/postnote.c b/src/lib9/postnote.c
       t@@ -18,6 +18,11 @@ postnote(int who, int pid, char *msg)
                        return -1;
                }
        
       +        if(pid <= 0){
       +                werrstr("bad pid in postnote");
       +                return -1;
       +        }
       +
                switch(who){
                default:
                        werrstr("bad who in postnote");