openssl: encode the value of fd (ssl->wbio->num) to gen uuid

make the uuid of SSL_write have the same format as the uuid of SSL_read Signed-off-by: wuyexkx <[email protected]>
gojue · Mar 2, 2024 · ba4bff3 · ba4bff3
1 parent 286bdcf
commit ba4bff3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/kern/openssl.h b/kern/openssl.h
@@ -216,7 +216,7 @@ int probe_entry_SSL_write(struct pt_regs* ctx) {
     }
 
     // get fd ssl->wbio->num
-    ssl_wbio_num_ptr = (u64 *)(ssl_wbio_ptr + BIO_ST_NUM);
+    ssl_wbio_num_ptr = (u64 *)(ssl_wbio_addr + BIO_ST_NUM);
     ret = bpf_probe_read_user(&ssl_wbio_num_addr, sizeof(ssl_wbio_num_addr),
                               ssl_wbio_num_ptr);
     if (ret) {