Merge tag 'execve-v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull execve updates from Kees Cook:

 - fix up /proc/pid/comm in the execveat(AT_EMPTY_PATH) case (Tycho
   Andersen, Kees Cook)

 - binfmt_misc: Fix comment typos (Christophe JAILLET)

 - move empty argv[0] warning closer to actual logic (Nir Lichtman)

 - remove legacy custom binfmt modules autoloading (Nir Lichtman)

 - Make sure set_task_comm() always NUL-terminates

 - binfmt_flat: Fix integer overflow bug on 32 bit systems (Dan
   Carpenter)

 - coredump: Do not lock when copying "comm"

 - MAINTAINERS: add auxvec.h and set myself as maintainer

* tag 'execve-v6.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  binfmt_flat: Fix integer overflow bug on 32 bit systems
  selftests/exec: add a test for execveat()'s comm
  exec: fix up /proc/pid/comm in the execveat(AT_EMPTY_PATH) case
  exec: Make sure task->comm is always NUL-terminated
  exec: remove legacy custom binfmt modules autoloading
  exec: move warning of null argv to be next to the relevant code
  fs: binfmt: Fix a typo
  MAINTAINERS: exec: Mark Kees as maintainer
  MAINTAINERS: exec: Add auxvec.h UAPI
  coredump: Do not lock during 'comm' reporting

1 files changed, 2 insertions, 1 deletions

diff --git a/kernel/kthread.c b/kernel/kthread.c
index a5ac612b1609..1eb6f62a9165 100644
--- a/kernel/kthread.c
+++ b/kernel/kthread.c
@@ -738,10 +738,11 @@ EXPORT_SYMBOL(kthread_stop_put);
 
 int kthreadd(void *unused)
 {
+	static const char comm[TASK_COMM_LEN] = "kthreadd";
 	struct task_struct *tsk = current;
 
 	/* Setup a clean context for our children to inherit. */
-	set_task_comm(tsk, "kthreadd");
+	set_task_comm(tsk, comm);
 	ignore_signals(tsk);
 	set_cpus_allowed_ptr(tsk, housekeeping_cpumask(HK_TYPE_KTHREAD));
 	set_mems_allowed(node_states[N_MEMORY]);