diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
index a5930042139d3..2846c21d75bfa 100644
--- a/arch/x86/net/bpf_jit_comp.c
+++ b/arch/x86/net/bpf_jit_comp.c
@@ -303,8 +303,12 @@ static void emit_prologue(u8 **pprog, u32 stack_depth, bool ebpf_from_cbpf,
 	prog += X86_PATCH_SIZE;
 	if (!ebpf_from_cbpf) {
 		if (tail_call_reachable && !is_subprog)
+			/* When it's the entry of the whole tailcall context,
+			 * zeroing rax means initialising tail_call_cnt.
+			 */
 			EMIT2(0x31, 0xC0); /* xor eax, eax */
 		else
+			/* Keep the same instruction layout. */
 			EMIT2(0x66, 0x90); /* nop2 */
 	}
 	EMIT1(0x55);             /* push rbp */
@@ -1018,6 +1022,10 @@ static void emit_shiftx(u8 **pprog, u32 dst_reg, u8 src_reg, bool is64, u8 op)
 
 #define INSN_SZ_DIFF (((addrs[i] - addrs[i - 1]) - (prog - temp)))
 
+/* mov rax, qword ptr [rbp - rounded_stack_depth - 8] */
+#define RESTORE_TAIL_CALL_CNT(stack)				\
+	EMIT3_off32(0x48, 0x8B, 0x85, -round_up(stack, 8) - 8)
+
 static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image, u8 *rw_image,
 		  int oldproglen, struct jit_context *ctx, bool jmp_padding)
 {
@@ -1623,9 +1631,7 @@ st:			if (is_imm8(insn->off))
 
 			func = (u8 *) __bpf_call_base + imm32;
 			if (tail_call_reachable) {
-				/* mov rax, qword ptr [rbp - rounded_stack_depth - 8] */
-				EMIT3_off32(0x48, 0x8B, 0x85,
-					    -round_up(bpf_prog->aux->stack_depth, 8) - 8);
+				RESTORE_TAIL_CALL_CNT(bpf_prog->aux->stack_depth);
 				if (!imm32)
 					return -EINVAL;
 				offs = 7 + x86_call_depth_emit_accounting(&prog, func);
@@ -2400,6 +2406,7 @@ int arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, void *image, void *i
 	 *                     [ ...        ]
 	 *                     [ stack_arg2 ]
 	 * RBP - arg_stack_off [ stack_arg1 ]
+	 * RSP                 [ tail_call_cnt ] BPF_TRAMP_F_TAIL_CALL_CTX
 	 */
 
 	/* room for return value of orig_call or fentry prog */
@@ -2464,6 +2471,8 @@ int arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, void *image, void *i
 	else
 		/* sub rsp, stack_size */
 		EMIT4(0x48, 0x83, 0xEC, stack_size);
+	if (flags & BPF_TRAMP_F_TAIL_CALL_CTX)
+		EMIT1(0x50);		/* push rax */
 	/* mov QWORD PTR [rbp - rbx_off], rbx */
 	emit_stx(&prog, BPF_DW, BPF_REG_FP, BPF_REG_6, -rbx_off);
 
@@ -2516,9 +2525,15 @@ int arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, void *image, void *i
 		restore_regs(m, &prog, regs_off);
 		save_args(m, &prog, arg_stack_off, true);
 
+		if (flags & BPF_TRAMP_F_TAIL_CALL_CTX)
+			/* Before calling the original function, restore the
+			 * tail_call_cnt from stack to rax.
+			 */
+			RESTORE_TAIL_CALL_CNT(stack_size);
+
 		if (flags & BPF_TRAMP_F_ORIG_STACK) {
-			emit_ldx(&prog, BPF_DW, BPF_REG_0, BPF_REG_FP, 8);
-			EMIT2(0xff, 0xd0); /* call *rax */
+			emit_ldx(&prog, BPF_DW, BPF_REG_6, BPF_REG_FP, 8);
+			EMIT2(0xff, 0xd3); /* call *rbx */
 		} else {
 			/* call original function */
 			if (emit_rsb_call(&prog, orig_call, prog)) {
@@ -2569,7 +2584,12 @@ int arch_prepare_bpf_trampoline(struct bpf_tramp_image *im, void *image, void *i
 			ret = -EINVAL;
 			goto cleanup;
 		}
-	}
+	} else if (flags & BPF_TRAMP_F_TAIL_CALL_CTX)
+		/* Before running the original function, restore the
+		 * tail_call_cnt from stack to rax.
+		 */
+		RESTORE_TAIL_CALL_CNT(stack_size);
+
 	/* restore return value of orig_call or fentry prog back into RAX */
 	if (save_ret)
 		emit_ldx(&prog, BPF_DW, BPF_REG_0, BPF_REG_FP, -8);
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index cfabbcf47bdb8..c8df257ea435d 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -1028,6 +1028,11 @@ struct btf_func_model {
  */
 #define BPF_TRAMP_F_SHARE_IPMODIFY	BIT(6)
 
+/* Indicate that current trampoline is in a tail call context. Then, it has to
+ * cache and restore tail_call_cnt to avoid infinite tail call loop.
+ */
+#define BPF_TRAMP_F_TAIL_CALL_CTX	BIT(7)
+
 /* Each call __bpf_prog_enter + call bpf_func + call __bpf_prog_exit is ~50
  * bytes on x86.
  */
diff --git a/kernel/bpf/trampoline.c b/kernel/bpf/trampoline.c
index 78acf28d48732..16ab5da7161f2 100644
--- a/kernel/bpf/trampoline.c
+++ b/kernel/bpf/trampoline.c
@@ -415,8 +415,8 @@ static int bpf_trampoline_update(struct bpf_trampoline *tr, bool lock_direct_mut
 		goto out;
 	}
 
-	/* clear all bits except SHARE_IPMODIFY */
-	tr->flags &= BPF_TRAMP_F_SHARE_IPMODIFY;
+	/* clear all bits except SHARE_IPMODIFY and TAIL_CALL_CTX */
+	tr->flags &= (BPF_TRAMP_F_SHARE_IPMODIFY | BPF_TRAMP_F_TAIL_CALL_CTX);
 
 	if (tlinks[BPF_TRAMP_FEXIT].nr_links ||
 	    tlinks[BPF_TRAMP_MODIFY_RETURN].nr_links) {
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 4ccca1f6c9981..6f290bc6f5f19 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -19246,6 +19246,21 @@ static int check_non_sleepable_error_inject(u32 btf_id)
 	return btf_id_set_contains(&btf_non_sleepable_error_inject, btf_id);
 }
 
+static inline int find_subprog_index(const struct bpf_prog *prog,
+				     u32 btf_id)
+{
+	struct bpf_prog_aux *aux = prog->aux;
+	int i, subprog = -1;
+
+	for (i = 0; i < aux->func_info_cnt; i++)
+		if (aux->func_info[i].type_id == btf_id) {
+			subprog = i;
+			break;
+		}
+
+	return subprog;
+}
+
 int bpf_check_attach_target(struct bpf_verifier_log *log,
 			    const struct bpf_prog *prog,
 			    const struct bpf_prog *tgt_prog,
@@ -19254,9 +19269,9 @@ int bpf_check_attach_target(struct bpf_verifier_log *log,
 {
 	bool prog_extension = prog->type == BPF_PROG_TYPE_EXT;
 	const char prefix[] = "btf_trace_";
-	int ret = 0, subprog = -1, i;
 	const struct btf_type *t;
 	bool conservative = true;
+	int ret = 0, subprog;
 	const char *tname;
 	struct btf *btf;
 	long addr = 0;
@@ -19291,11 +19306,7 @@ int bpf_check_attach_target(struct bpf_verifier_log *log,
 			return -EINVAL;
 		}
 
-		for (i = 0; i < aux->func_info_cnt; i++)
-			if (aux->func_info[i].type_id == btf_id) {
-				subprog = i;
-				break;
-			}
+		subprog = find_subprog_index(tgt_prog, btf_id);
 		if (subprog == -1) {
 			bpf_log(log, "Subprog %s doesn't exist\n", tname);
 			return -EINVAL;
@@ -19559,7 +19570,7 @@ static int check_attach_btf_id(struct bpf_verifier_env *env)
 	struct bpf_attach_target_info tgt_info = {};
 	u32 btf_id = prog->aux->attach_btf_id;
 	struct bpf_trampoline *tr;
-	int ret;
+	int ret, subprog;
 	u64 key;
 
 	if (prog->type == BPF_PROG_TYPE_SYSCALL) {
@@ -19629,6 +19640,11 @@ static int check_attach_btf_id(struct bpf_verifier_env *env)
 	if (!tr)
 		return -ENOMEM;
 
+	if (tgt_prog && tgt_prog->aux->tail_call_reachable) {
+		subprog = find_subprog_index(tgt_prog, btf_id);
+		tr->flags = subprog > 0 ? BPF_TRAMP_F_TAIL_CALL_CTX : 0;
+	}
+
 	prog->aux->dst_trampoline = tr;
 	return 0;
 }
