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authorPixelBot AutoMerger <android-nexus-securitybot@system.gserviceaccount.com>2024-03-03 18:35:47 -0800
committerSecurityBot <android-nexus-securitybot@system.gserviceaccount.com>2024-03-03 18:35:47 -0800
commitb2d348143eab2adb6b0e37b30b83266ef3a6ab6d (patch)
tree03ab77f08ebfc6737ad52363e8040c5216d1045d
parent516e32c5121566291779c9f24b4dbe42a9bf4edc (diff)
parente876445f635623e647d590dcd6840d5f079f396a (diff)
downloadlwis-android-gs-shusky-5.15-android15-dp.tar.gz
Merge android14-gs-pixel-5.15-24Q2 into android14-gs-pixel-5.15android-15-beta-1_r0.7android-gs-shusky-5.15-android15-dp
SBMerger: 610748217 Change-Id: I43570d7d183542afea64c54a1c79c032c5373919 Signed-off-by: SecurityBot <android-nexus-securitybot@system.gserviceaccount.com>
-rw-r--r--lwis_periodic_io.c2
-rw-r--r--lwis_transaction.c9
2 files changed, 11 insertions, 0 deletions
diff --git a/lwis_periodic_io.c b/lwis_periodic_io.c
index 12b3b99..a869463 100644
--- a/lwis_periodic_io.c
+++ b/lwis_periodic_io.c
@@ -534,7 +534,9 @@ int lwis_periodic_io_client_flush(struct lwis_client *client)
periodic_io->active = false;
}
it_periodic_io_list->hr_timer_state = LWIS_HRTIMER_INACTIVE;
+ spin_unlock_irqrestore(&client->periodic_io_lock, flags);
hrtimer_cancel(&it_periodic_io_list->hr_timer);
+ spin_lock_irqsave(&client->periodic_io_lock, flags);
}
spin_unlock_irqrestore(&client->periodic_io_lock, flags);
diff --git a/lwis_transaction.c b/lwis_transaction.c
index 019a09b..0f4228b 100644
--- a/lwis_transaction.c
+++ b/lwis_transaction.c
@@ -902,6 +902,15 @@ static int prepare_response_locked(struct lwis_client *client, struct lwis_trans
/* Event response payload consists of header, and address and offset pairs. */
resp_size = sizeof(struct lwis_transaction_response_header) +
read_entries * sizeof(struct lwis_io_result) + read_buf_size;
+
+ if (read_entries > INT_MAX / sizeof(struct lwis_io_result)) {
+ return -EOVERFLOW;
+ }
+
+ if (read_buf_size > INT_MAX - sizeof(struct lwis_transaction_response_header) -
+ read_entries * sizeof(struct lwis_io_result)) {
+ return -EOVERFLOW;
+ }
/*
* Revisit the use of GFP_ATOMIC here. Reason for this to be atomic is
* because this function can be called by transaction_replace while