free,stat: make NOEXEC

pkill/pgrep/pidof uncovered another quirk: what about noexec's _process names_?

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

2 files changed, 4 insertions, 0 deletions

diff --git a/shell/ash.c b/shell/ash.c
index e8f3ed26b..0a323e957 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -7803,6 +7803,8 @@ tryexec(IF_FEATURE_SH_STANDALONE(int applet_no,) const char *cmd, char **argv, c
                         while (*envp)
                                 putenv(*envp++);
                         popredir(/*drop:*/ 1);
+//TODO: prctl(PR_SET_NAME, (long)argv[0], 0, 0, 0);? [think pidof, pgrep, pkill]
+//Rewrite /proc/PID/cmdline? (need to save argv0 and length at init for this to work!)
                         run_applet_no_and_exit(applet_no, cmd, argv);
                 }
                 /* re-exec ourselves with the new arguments */
diff --git a/shell/hush.c b/shell/hush.c
index bb80f422c..b4fe7146b 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -7387,6 +7387,8 @@ static NOINLINE void pseudo_exec_argv(nommu_save_t *nommu_save,
                                 /* Without this, "rm -i FILE" can't be ^C'ed: */
                                 switch_off_special_sigs(G.special_sig_mask);
                                 debug_printf_exec("running applet '%s'\n", argv[0]);
+//TODO: prctl(PR_SET_NAME, (long)argv[0], 0, 0, 0);? [think pidof, pgrep, pkill]
+//Rewrite /proc/PID/cmdline? (need to save argv0 and length at init for this to work!)
                                 run_applet_no_and_exit(a, argv[0], argv);
                         }
 # endif