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sock_hc: always report binds, regardless of analysis scope #85

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Merged
lacraig2 merged 1 commit into from
Jun 29, 2026
Merged

sock_hc: always report binds, regardless of analysis scope #85

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15 changes: 4 additions & 11 deletions src/hooks/sock_hc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,6 @@
#include <linux/kallsyms.h>
#include <linux/version.h>
#include "igloo_hypercall_consts.h"
#include "portal/scope.h"


#if LINUX_VERSION_CODE > KERNEL_VERSION(4,10,0)
Expand All @@ -38,11 +37,9 @@ void igloo_sock_bind(struct socket *sock, struct sockaddr_storage *address){
char buffer[32];
int hrv = 1;
int i;
// Only report binds from the firmware-under-analysis subtree, not from
// Penguin infrastructure (vpnguin/console/etc.) that stays in the initial ns.
if (!igloo_in_scope(current)) {
return;
}
// netbinds always reports, for every process (including Penguin
// infrastructure such as vpnguin/console/gdbserver) -- bind visibility is
// not scoped to the firmware subtree.
mutex_lock(&bind_mutex);

if (address->ss_family == AF_INET) {
Expand Down Expand Up @@ -89,11 +86,7 @@ void igloo_sock_bind(struct socket *sock, struct sockaddr_storage *address){
*/
void igloo_sock_release(struct socket *sock){
struct sock *sk = sock->sk;
// Mirror the bind gate: skip releases outside the firmware subtree so we
// don't emit release events for infra binds we never reported.
if (!igloo_in_scope(current)) {
return;
}
// Releases always report too, mirroring igloo_sock_bind (no scope gate).
mutex_lock(&release_mutex);

if (sk) {
Expand Down
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