Wietse Venema:
> Jaroslav Skarvada:
> > Reproducer:
> >
> > # useradd -c " " myuser # or more whitespaces
> > # su - myuser
> > $ echo | mail -s TEST root@localhost
> > # journalctl -u postfix | tail
> > Jun 30 13:31:13 vm-postfix8 postfix/pickup[4476]: 91309115983C:
> > uid=1000 from=<myuser>
> > Jun 30 13:31:13 vm-postfix8 postfix/pickup[4476]: warning:
> > maildrop/D19752025C83: error writing 91309115983C: queue file write
> > error
> > Jun 30 13:31:13 vm-postfix8 postfix/master[4475]: warning: process
> > /usr/libexec/postfix/cleanup pid 4797 killed by signal 11
> >
> > Attached workaround patch.
> >
> > It seems postfix-3.6.1 is also affected. The postfix-2 wasn't
> > affected, that's why I flagged it as a regression.
> >
> > Original downstream bug report including the debug analysis:
> > https://bugzilla.redhat.com/show_bug.cgi?id=1977732
> >
> > Debug analysis and reproducer provided by Renaud M?trich
> > <rmetr...@redhat.com>
>
> And thank you for passing this on.
This was introduced with Postfix 3.3.0, when "header_from_format=standard"
became the default. Workaround: "header_from_format=obsolete".
Wietse
