From: Michael Tremer <michael.tremer@ipfire.org>
Date: Tue, 16 Aug 2022 13:48:31 +0000 (+0000)
Subject: jail: Kill child when parent dies
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=2a7b5e00756be937e8cd34b0db8873de0e0b8d15;p=people%2Fstevee%2Fpakfire.git

jail: Kill child when parent dies

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/libpakfire/jail.c b/src/libpakfire/jail.c
index 83063e56..3591c354 100644
--- a/src/libpakfire/jail.c
+++ b/src/libpakfire/jail.c
@@ -1069,6 +1069,13 @@ static int pakfire_jail_child(struct pakfire_jail* jail, struct pakfire_jail_exe
 	// Redirect any logging to our log pipe
 	pakfire_set_log_callback(jail->pakfire, pakfire_jail_log, &ctx->pipes);
 
+	// Die with parent
+	r = prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
+	if (r) {
+		ERROR(jail->pakfire, "Could not configure to die with parent: %m\n");
+		return 126;
+	}
+
 	// Fetch my own PID
 	pid_t pid = getpid();