Cancel golang_crypto_tls_read_uprobe if it's a gzip read

tap/tlstapper/bpf/golang_uprobes.c

@@ -71,6 +71,12 @@ static __always_inline int golang_crypto_tls_write_uprobe(struct pt_regs *ctx) {
 
 SEC("uprobe/golang_crypto_tls_read")
 static __always_inline int golang_crypto_tls_read_uprobe(struct pt_regs *ctx) {
+    int r14 = ctx->r14;
+    // Cancel if it's a gzip read
+    if (r14 == 416) {
+        return 0;
+    }
+
     struct golang_read_write *b = NULL;
     b = bpf_ringbuf_reserve(&golang_read_writes, sizeof(struct golang_read_write), 0);
     if (!b) {
@@ -89,7 +95,7 @@ static __always_inline int golang_crypto_tls_read_uprobe(struct pt_regs *ctx) {
     // Address at ctx->rsp + 0xd8 holds the data
     __u32 status = bpf_probe_read(&data_p, sizeof(data_p), stack_addr + 0xd8);
     if (status < 0) {
-        bpf_printk("[golang_net_http_read_uprobe] error reading data pointer: %d", status);
+        bpf_printk("[golang_crypto_tls_read_uprobe] error reading data pointer: %d", status);
         bpf_ringbuf_discard(b, BPF_RB_FORCE_WAKEUP);
         return 0;
     }