When support for the 'LIBPROC_HIDE_KERNEL' environment
variable was introduced, a deficiency was present that
allowed any rejected proc_t (i.e. a kworker thread) to
preserve the strdup'd 'cmd' value. That residual value
would prevent stat2proc or status2proc from updating a
cmd field with the proper program name for some tasks.
This patch just ensures a proc_t is freshened whenever
it has been rejected due to an active PT->hide_kernel.
[ again thanks to Björn for initiating the extension ]
Reference(s):
. original hide_kernel implementation
commit 2a7ec67ac806d91520f59c384684e2332774368b
. original hide_kernel proposal
https://gitlab.com/procps-ng/procps/-/merge_requests/147
Signed-off-by: Jim Warner <james.warner@comcast.net>
b9723148a2