--- y/include/linux/sched.h
+++ x/include/linux/sched.h
@@ -944,6 +944,9 @@ struct task_struct {
 #ifdef	CONFIG_CPU_SUP_INTEL
 	unsigned			reported_split_lock:1;
 #endif
+#ifdef CONFIG_BPF_EVENTS
+	unsigned			in_bpf_trace_printk:1;
+#endif
 
 	unsigned long			atomic_flags; /* Flags requiring atomic access. */
 
--- y/kernel/trace/bpf_trace.c
+++ x/kernel/trace/bpf_trace.c
@@ -380,15 +380,19 @@ BPF_CALL_5(bpf_trace_printk, char *, fmt
 	unsigned long flags;
 	int ret;
 
+	if (current->in_bpf_trace_printk)
+		return -EDEADLK;
 	ret = bpf_bprintf_prepare(fmt, fmt_size, args, &bin_args,
 				  MAX_TRACE_PRINTK_VARARGS);
 	if (ret < 0)
 		return ret;
 
 	raw_spin_lock_irqsave(&trace_printk_lock, flags);
+	current->in_bpf_trace_printk = 1;
 	ret = bstr_printf(buf, sizeof(buf), fmt, bin_args);
 
 	trace_bpf_trace_printk(buf);
+	current->in_bpf_trace_printk = 0;
 	raw_spin_unlock_irqrestore(&trace_printk_lock, flags);
 
 	bpf_bprintf_cleanup();