From 14e41b16e8cb677bb440dca2edba8b041646c742 Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Fri, 28 Mar 2025 12:52:52 -0400 Subject: [PATCH] SUNRPC: Don't allow waiting for exiting tasks Once a task calls exit_signals() it can no longer be signalled. So do not allow it to do killable waits. Reviewed-by: Jeff Layton Signed-off-by: Trond Myklebust --- net/sunrpc/sched.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c index 9b45fbdc90ca..73bc39281ef5 100644 --- a/net/sunrpc/sched.c +++ b/net/sunrpc/sched.c @@ -276,6 +276,8 @@ EXPORT_SYMBOL_GPL(rpc_destroy_wait_queue); static int rpc_wait_bit_killable(struct wait_bit_key *key, int mode) { + if (unlikely(current->flags & PF_EXITING)) + return -EINTR; schedule(); if (signal_pending_state(mode, current)) return -ERESTARTSYS; -- 2.25.1