linux-kernel - [ANNOUNCE] v6.10.2-rt13

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Message-ID: <20240801094040.pdwf9TLs@linutronix.de>
Date: Thu, 1 Aug 2024 11:40:40 +0200
From: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: LKML <linux-kernel@...r.kernel.org>, linux-rt-users@...r.kernel.org,
	Steven Rostedt <rostedt@...dmis.org>
Subject: [ANNOUNCE] v6.10.2-rt13

Dear RT folks!

I'm pleased to announce the v6.10.2-rt13 patch set. 

Changes since v6.10.2-rt12:

  - Guenter Roeck reported that tinyconfig builds broke. Patch by Linus
    Torvalds.

  - syzbot reported crashes with the tun driver. Patch by Jeongjun Park. 

Known issues
    None.

The delta patch against v6.10.2-rt12 is appended below and can be found here:
 
     https://cdn.kernel.org/pub/linux/kernel/projects/rt/6.10/incr/patch-6.10.2-rt12-rt13.patch.xz

You can get this release via the git tree at:

    https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git v6.10.2-rt13

The RT patch against v6.10.2 can be found here:

    https://cdn.kernel.org/pub/linux/kernel/projects/rt/6.10/older/patch-6.10.2-rt13.patch.xz

The split quilt queue is available at:

    https://cdn.kernel.org/pub/linux/kernel/projects/rt/6.10/older/patches-6.10.2-rt13.tar.xz

Sebastian

diff --git a/kernel/task_work.c b/kernel/task_work.c
index 05fb41fe09f5d..8f9c30e732a0a 100644
--- a/kernel/task_work.c
+++ b/kernel/task_work.c
@@ -7,12 +7,14 @@
 
 static struct callback_head work_exited; /* all we need is ->next == NULL */
 
+#ifdef CONFIG_IRQ_WORK
 static void task_work_set_notify_irq(struct irq_work *entry)
 {
 	test_and_set_tsk_thread_flag(current, TIF_NOTIFY_RESUME);
 }
 static DEFINE_PER_CPU(struct irq_work, irq_work_NMI_resume) =
 	IRQ_WORK_INIT_HARD(task_work_set_notify_irq);
+#endif
 
 /**
  * task_work_add - ask the @task to execute @work->func()
@@ -58,6 +60,8 @@ int task_work_add(struct task_struct *task, struct callback_head *work,
 	if (notify == TWA_NMI_CURRENT) {
 		if (WARN_ON_ONCE(task != current))
 			return -EINVAL;
+		if (!IS_ENABLED(CONFIG_IRQ_WORK))
+			return -EINVAL;
 	} else {
 		/* record the work call stack in order to print it in KASAN reports */
 		kasan_record_aux_stack(work);
@@ -82,9 +86,11 @@ int task_work_add(struct task_struct *task, struct callback_head *work,
 	case TWA_SIGNAL_NO_IPI:
 		__set_notify_signal(task);
 		break;
+#ifdef CONFIG_IRQ_WORK
 	case TWA_NMI_CURRENT:
 		irq_work_queue(this_cpu_ptr(&irq_work_NMI_resume));
 		break;
+#endif
 	default:
 		WARN_ON_ONCE(1);
 		break;
diff --git a/localversion-rt b/localversion-rt
index 6e44e540b927b..9f7d0bdbffb18 100644
--- a/localversion-rt
+++ b/localversion-rt
@@ -1 +1 @@
--rt12
+-rt13
diff --git a/net/core/dev.c b/net/core/dev.c
index 78184fe9e3882..cf00b2f662d54 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5150,6 +5150,7 @@ int do_xdp_generic(struct bpf_prog *xdp_prog, struct sk_buff **pskb)
 			bpf_net_ctx_clear(bpf_net_ctx);
 			return XDP_DROP;
 		}
+		bpf_net_ctx_clear(bpf_net_ctx);
 	}
 	return XDP_PASS;
 out_redir: