From 78c4f821f43d530ba1f2a6308a64a8483208ebe3 Mon Sep 17 00:00:00 2001 From: Gleb Smirnoff Date: Fri, 13 Mar 2026 13:21:26 -0700 Subject: [PATCH] jail: fix crash with startup commands on a jail without name Jail name is optional, thus don't try setenv(NULL). Fixes: d8f021add40c321c4578da55dae52fb93c7ccb5f --- usr.sbin/jail/command.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/usr.sbin/jail/command.c b/usr.sbin/jail/command.c index 9da4fe51673a..8a1d281eff4f 100644 --- a/usr.sbin/jail/command.c +++ b/usr.sbin/jail/command.c @@ -814,8 +814,8 @@ run_command(struct cfjail *j) if (!injail) { if (string_param(j->intparams[KP_JID])) setenv("JID", string_param(j->intparams[KP_JID]), 1); - setenv("JNAME", string_param(j->intparams[KP_NAME]), 1); - + if (string_param(j->intparams[KP_NAME])) + setenv("JNAME", string_param(j->intparams[KP_NAME]), 1); path = string_param(j->intparams[KP_PATH]); setenv("JPATH", path ? path : "", 1); }