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4c1956 |
commit 3dac3959a5cb585b065cef2cb8a8d909c907e202
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4c1956 |
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
Date: Tue Jul 20 11:03:34 2021 -0300
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
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4c1956 |
elf: Add _dl_audit_activity_map and _dl_audit_activity_nsid
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
It consolidates the code required to call la_activity audit
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
callback.
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
Also for a new Lmid_t the namespace link_map list are empty, so it
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4c1956 |
requires to check if before using it. This can happen for when audit
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4c1956 |
module is used along with dlmopen.
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
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4c1956 |
Checked on x86_64-linux-gnu, i686-linux-gnu, and aarch64-linux-gnu.
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
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4c1956 |
Reviewed-by: Florian Weimer <fweimer@redhat.com>
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
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4c1956 |
diff --git a/elf/dl-audit.c b/elf/dl-audit.c
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4c1956 |
index 4066dfe85146b9d4..74b87f4b39be75e1 100644
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
--- a/elf/dl-audit.c
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4c1956 |
+++ b/elf/dl-audit.c
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4c1956 |
@@ -18,6 +18,32 @@
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4c1956 |
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4c1956 |
#include <ldsodefs.h>
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4c1956 |
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4c1956 |
+void
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+_dl_audit_activity_map (struct link_map *l, int action)
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
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+{
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4c1956 |
+ struct audit_ifaces *afct = GLRO(dl_audit);
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+ for (unsigned int cnt = 0; cnt < GLRO(dl_naudit); ++cnt)
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+ {
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+ if (afct->activity != NULL)
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4c1956 |
+ afct->activity (&link_map_audit_state (l, cnt)->cookie, action);
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
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+ afct = afct->next;
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4c1956 |
+ }
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4c1956 |
+}
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+
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+void
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+_dl_audit_activity_nsid (Lmid_t nsid, int action)
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
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+{
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+ /* If head is NULL, the namespace has become empty, and the audit interface
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4c1956 |
+ does not give us a way to signal LA_ACT_CONSISTENT for it because the
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4c1956 |
+ first loaded module is used to identify the namespace. */
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+ struct link_map *head = GL(dl_ns)[nsid]._ns_loaded;
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+ if (__glibc_likely (GLRO(dl_naudit) == 0)
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+ || head == NULL || head->l_auditing)
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+ return;
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+
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+ _dl_audit_activity_map (head, action);
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+}
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+
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
void
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_dl_audit_objopen (struct link_map *l, Lmid_t nsid)
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{
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diff --git a/elf/dl-close.c b/elf/dl-close.c
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index 698bda929c0eab6c..1ba594b600c4c87a 100644
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--- a/elf/dl-close.c
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+++ b/elf/dl-close.c
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@@ -478,25 +478,7 @@ _dl_close_worker (struct link_map *map, bool force)
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#ifdef SHARED
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/* Auditing checkpoint: we will start deleting objects. */
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- if (__glibc_unlikely (do_audit))
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- {
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- struct link_map *head = ns->_ns_loaded;
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- struct audit_ifaces *afct = GLRO(dl_audit);
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- /* Do not call the functions for any auditing object. */
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- if (head->l_auditing == 0)
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- {
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- for (unsigned int cnt = 0; cnt < GLRO(dl_naudit); ++cnt)
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- {
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- if (afct->activity != NULL)
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- {
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- struct auditstate *state = link_map_audit_state (head, cnt);
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- afct->activity (&state->cookie, LA_ACT_DELETE);
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- }
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-
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- afct = afct->next;
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- }
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- }
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- }
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+ _dl_audit_activity_nsid (nsid, LA_ACT_DELETE);
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#endif
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/* Notify the debugger we are about to remove some loaded objects. */
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
@@ -791,32 +773,9 @@ _dl_close_worker (struct link_map *map, bool force)
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
__rtld_lock_unlock_recursive (GL(dl_load_tls_lock));
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
#ifdef SHARED
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- /* Auditing checkpoint: we have deleted all objects. */
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- if (__glibc_unlikely (do_audit))
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- {
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- struct link_map *head = ns->_ns_loaded;
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- /* If head is NULL, the namespace has become empty, and the
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- audit interface does not give us a way to signal
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- LA_ACT_CONSISTENT for it because the first loaded module is
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- used to identify the namespace.
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
-
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- Furthermore, do not notify auditors of the cleanup of a
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- failed audit module loading attempt. */
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- if (head != NULL && head->l_auditing == 0)
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- {
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- struct audit_ifaces *afct = GLRO(dl_audit);
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- for (unsigned int cnt = 0; cnt < GLRO(dl_naudit); ++cnt)
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- {
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- if (afct->activity != NULL)
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- {
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- struct auditstate *state = link_map_audit_state (head, cnt);
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- afct->activity (&state->cookie, LA_ACT_CONSISTENT);
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- }
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
-
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- afct = afct->next;
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- }
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- }
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- }
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+ /* Auditing checkpoint: we have deleted all objects. Also, do not notify
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+ auditors of the cleanup of a failed audit module loading attempt. */
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+ _dl_audit_activity_nsid (nsid, LA_ACT_CONSISTENT);
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
#endif
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
if (__builtin_expect (ns->_ns_loaded == NULL, 0)
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
diff --git a/elf/dl-load.c b/elf/dl-load.c
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
index c11b1d1781e9b40b..8a18c761bb753e37 100644
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
--- a/elf/dl-load.c
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+++ b/elf/dl-load.c
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
@@ -1403,24 +1403,8 @@ cannot enable executable stack as shared object requires");
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
/* Auditing checkpoint: we are going to add new objects. Since this
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
is called after _dl_add_to_namespace_list the namespace is guaranteed
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
to not be empty. */
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- if ((mode & __RTLD_AUDIT) == 0
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- && __glibc_unlikely (GLRO(dl_naudit) > 0))
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- {
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- struct link_map *head = GL(dl_ns)[nsid]._ns_loaded;
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- /* Do not call the functions for any auditing object. */
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- if (head->l_auditing == 0)
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|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- {
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- struct audit_ifaces *afct = GLRO(dl_audit);
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- for (unsigned int cnt = 0; cnt < GLRO(dl_naudit); ++cnt)
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- {
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- if (afct->activity != NULL)
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- afct->activity (&link_map_audit_state (head, cnt)->cookie,
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- LA_ACT_ADD);
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
-
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- afct = afct->next;
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- }
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- }
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- }
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+ if ((mode & __RTLD_AUDIT) == 0)
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+ _dl_audit_activity_nsid (nsid, LA_ACT_ADD);
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
#endif
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
/* Notify the debugger we have added some objects. We need to
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
diff --git a/elf/dl-open.c b/elf/dl-open.c
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
index b5a4da04907d8d29..660a56b2fb2639cd 100644
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
--- a/elf/dl-open.c
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+++ b/elf/dl-open.c
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
@@ -598,25 +598,7 @@ dl_open_worker_begin (void *a)
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
#ifdef SHARED
|
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
/* Auditing checkpoint: we have added all objects. */
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- if (__glibc_unlikely (GLRO(dl_naudit) > 0))
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- {
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- struct link_map *head = GL(dl_ns)[new->l_ns]._ns_loaded;
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- /* Do not call the functions for any auditing object. */
|
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- if (head->l_auditing == 0)
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- {
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- struct audit_ifaces *afct = GLRO(dl_audit);
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- for (unsigned int cnt = 0; cnt < GLRO(dl_naudit); ++cnt)
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- {
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- if (afct->activity != NULL)
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- {
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- struct auditstate *state = link_map_audit_state (head, cnt);
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- afct->activity (&state->cookie, LA_ACT_CONSISTENT);
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- }
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
-
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- afct = afct->next;
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- }
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- }
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- }
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+ _dl_audit_activity_nsid (new->l_ns, LA_ACT_CONSISTENT);
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
#endif
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
/* Notify the debugger all new objects are now ready to go. */
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
diff --git a/elf/rtld.c b/elf/rtld.c
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
index 1982e42390760e0a..767acd122262b824 100644
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
--- a/elf/rtld.c
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+++ b/elf/rtld.c
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
@@ -1799,18 +1799,7 @@ ERROR: '%s': cannot process note segment.\n", _dl_argv[0]);
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
/* Auditing checkpoint: we are ready to signal that the initial map
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
is being constructed. */
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- if (__glibc_unlikely (GLRO(dl_naudit) > 0))
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- {
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- struct audit_ifaces *afct = GLRO(dl_audit);
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- for (unsigned int cnt = 0; cnt < GLRO(dl_naudit); ++cnt)
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- {
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- if (afct->activity != NULL)
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- afct->activity (&link_map_audit_state (main_map, cnt)->cookie,
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- LA_ACT_ADD);
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
-
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- afct = afct->next;
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- }
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- }
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+ _dl_audit_activity_map (main_map, LA_ACT_ADD);
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
/* We have two ways to specify objects to preload: via environment
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
variable and via the file /etc/ld.so.preload. The latter can also
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
@@ -2484,23 +2473,7 @@ ERROR: '%s': cannot process note segment.\n", _dl_argv[0]);
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
#ifdef SHARED
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
/* Auditing checkpoint: we have added all objects. */
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- if (__glibc_unlikely (GLRO(dl_naudit) > 0))
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- {
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- struct link_map *head = GL(dl_ns)[LM_ID_BASE]._ns_loaded;
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- /* Do not call the functions for any auditing object. */
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- if (head->l_auditing == 0)
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- {
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- struct audit_ifaces *afct = GLRO(dl_audit);
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- for (unsigned int cnt = 0; cnt < GLRO(dl_naudit); ++cnt)
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- {
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- if (afct->activity != NULL)
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- afct->activity (&link_map_audit_state (head, cnt)->cookie,
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- LA_ACT_CONSISTENT);
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
-
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- afct = afct->next;
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- }
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- }
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- }
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+ _dl_audit_activity_nsid (LM_ID_BASE, LA_ACT_CONSISTENT);
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
#endif
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
/* Notify the debugger all new objects are now ready to go. We must re-get
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
index 410f070e28b74bdf..05737342d6287233 100644
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
--- a/sysdeps/generic/ldsodefs.h
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+++ b/sysdeps/generic/ldsodefs.h
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
@@ -1269,6 +1269,16 @@ link_map_audit_state (struct link_map *l, size_t index)
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
return &l->l_audit[index];
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
}
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+/* Call the la_activity from the audit modules from the link map L and issues
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+ the ACTION argument. */
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+void _dl_audit_activity_map (struct link_map *l, int action)
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+ attribute_hidden;
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+/* Call the la_activity from the audit modules from the link map from the
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+ namespace NSID and issues the ACTION argument. */
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+void _dl_audit_activity_nsid (Lmid_t nsid, int action)
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+ attribute_hidden;
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
/* Call the la_objopen from the audit modules for the link_map L on the
|
|
![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
namespace identification NSID. */
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void _dl_audit_objopen (struct link_map *l, Lmid_t nsid)
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