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From: Michael Jeanson <mjeanson@efficios.com>
To: lttng-dev@lists.lttng.org
Subject: [PATCH lttng-modules] fix: use user ns wrapper code in new id trackers
Date: Tue, 17 Dec 2019 12:11:11 -0500	[thread overview]
Message-ID: <20191217171111.6782-2-mjeanson__2211.95648643828$1576602733$gmane$org@efficios.com> (raw)
In-Reply-To: <20191217171111.6782-1-mjeanson@efficios.com>

These wrappers are required to translate kuid on kernels prior to v3.5.

Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
---
 probes/lttng-tracepoint-event-impl.h | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/probes/lttng-tracepoint-event-impl.h b/probes/lttng-tracepoint-event-impl.h
index 39454fb..321cdfa 100644
--- a/probes/lttng-tracepoint-event-impl.h
+++ b/probes/lttng-tracepoint-event-impl.h
@@ -11,7 +11,6 @@
 #include <linux/rculist.h>
 #include <asm/byteorder.h>
 #include <linux/swab.h>
-#include <linux/uidgid.h>
 
 #include <probes/lttng.h>
 #include <probes/lttng-types.h>
@@ -20,6 +19,7 @@
 #include <wrapper/ringbuffer/frontend_types.h>
 #include <wrapper/ringbuffer/backend.h>
 #include <wrapper/rcu.h>
+#include <wrapper/user_namespace.h>
 #include <lttng-events.h>
 #include <lttng-tracer-core.h>
 #include <lttng-tp-mempool.h>
@@ -1146,19 +1146,19 @@ static void __event_probe__##_name(void *__data, _proto)		      \
 		return;							      \
 	__lf = lttng_rcu_dereference(__session->uid_tracker.p);		      \
 	if (__lf && likely(!lttng_id_tracker_lookup(__lf,		      \
-			from_kuid(&init_user_ns, current_uid()))))	      \
+			lttng_current_uid())))				      \
 		return;							      \
 	__lf = lttng_rcu_dereference(__session->vuid_tracker.p);	      \
 	if (__lf && likely(!lttng_id_tracker_lookup(__lf,		      \
-			from_kuid(current_user_ns(), current_uid()))))	      \
+			lttng_current_vuid())))				      \
 		return;							      \
 	__lf = lttng_rcu_dereference(__session->gid_tracker.p);		      \
 	if (__lf && likely(!lttng_id_tracker_lookup(__lf,		      \
-			from_kgid(&init_user_ns, current_gid()))))	      \
+			lttng_current_gid())))				      \
 		return;							      \
 	__lf = lttng_rcu_dereference(__session->vgid_tracker.p);	      \
 	if (__lf && likely(!lttng_id_tracker_lookup(__lf,		      \
-			from_kgid(current_user_ns(), current_gid()))))	      \
+			lttng_current_vgid())))				      \
 		return;							      \
 	__orig_dynamic_len_offset = this_cpu_ptr(&lttng_dynamic_len_stack)->offset; \
 	__dynamic_len_idx = __orig_dynamic_len_offset;			      \
@@ -1239,19 +1239,19 @@ static void __event_probe__##_name(void *__data)			      \
 		return;							      \
 	__lf = lttng_rcu_dereference(__session->uid_tracker.p);		      \
 	if (__lf && likely(!lttng_id_tracker_lookup(__lf,		      \
-			from_kuid(&init_user_ns, current_uid()))))	      \
+			lttng_current_uid())))				      \
 		return;							      \
 	__lf = lttng_rcu_dereference(__session->vuid_tracker.p);	      \
 	if (__lf && likely(!lttng_id_tracker_lookup(__lf,		      \
-			from_kuid(current_user_ns(), current_uid()))))	      \
+			lttng_current_vuid())))				      \
 		return;							      \
 	__lf = lttng_rcu_dereference(__session->gid_tracker.p);		      \
 	if (__lf && likely(!lttng_id_tracker_lookup(__lf,		      \
-			from_kgid(&init_user_ns, current_gid()))))	      \
+			lttng_current_gid())))				      \
 		return;							      \
 	__lf = lttng_rcu_dereference(__session->vgid_tracker.p);	      \
 	if (__lf && likely(!lttng_id_tracker_lookup(__lf,		      \
-			from_kgid(current_user_ns(), current_gid()))))	      \
+			lttng_current_vgid())))				      \
 		return;							      \
 	__orig_dynamic_len_offset = this_cpu_ptr(&lttng_dynamic_len_stack)->offset; \
 	__dynamic_len_idx = __orig_dynamic_len_offset;			      \
-- 
2.17.1

       reply	other threads:[~2019-12-17 17:11 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20191217171111.6782-1-mjeanson@efficios.com>
2019-12-17 17:11 ` Michael Jeanson [this message]
2019-12-17 17:23 ` [PATCH lttng-modules] fix: function prototype in wrapper/mm.h Mathieu Desnoyers
     [not found] ` <20191217171111.6782-2-mjeanson@efficios.com>
2019-12-17 17:23   ` [PATCH lttng-modules] fix: use user ns wrapper code in new id trackers Mathieu Desnoyers

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