From f2cf1cc716216308a8a6d07e3afab23be07a6b02 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Mon, 7 Aug 2017 18:45:33 +0200 Subject: noexec: set comm field for noexecs function old new delta set_task_comm - 18 +18 tryexec 152 159 +7 pseudo_exec_argv 321 328 +7 main 106 97 -9 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 3/2 up/down: 34/-13) Total: 23 bytes Signed-off-by: Denys Vlasenko --- shell/ash.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'shell/ash.c') diff --git a/shell/ash.c b/shell/ash.c index 0a323e957..507d15c90 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -7803,8 +7803,11 @@ 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] +//TODO: think pidof, pgrep, pkill! +//set_task_comm() makes our pidof find NOEXECs (e.g. "yes >/dev/null"), +//but one from procps-ng-3.3.10 needs more! //Rewrite /proc/PID/cmdline? (need to save argv0 and length at init for this to work!) + set_task_comm(argv[0]); run_applet_no_and_exit(applet_no, cmd, argv); } /* re-exec ourselves with the new arguments */ -- cgit v1.2.3