[PATCH BlueZ] btmon: fix buffer bound checks

[PATCH BlueZ] btmon: fix buffer bound checks

[Jacob Siverskog]

index_list is of size MAX_INDEX - correct the checks that is meant to
catch out-of-bounds access.
---
 monitor/packet.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/monitor/packet.c b/monitor/packet.c
index c8c835d53..c91b91e2b 100644
--- a/monitor/packet.c
+++ b/monitor/packet.c
@@ -3879,7 +3879,7 @@ void packet_monitor(struct timeval *tv, struct ucred *cred,
 		index_current = index;
 	}
 
-	if (index != HCI_DEV_NONE && index > MAX_INDEX) {
+	if (index != HCI_DEV_NONE && index >= MAX_INDEX) {
 		print_field("Invalid index (%d)", index);
 		return;
 	}
@@ -11133,7 +11133,7 @@ void packet_hci_command(struct timeval *tv, struct ucred *cred, uint16_t index,
 	char extra_str[25], vendor_str[150];
 	int i;
 
-	if (index > MAX_INDEX) {
+	if (index >= MAX_INDEX) {
 		print_field("Invalid index (%d).", index);
 		return;
 	}
@@ -11240,7 +11240,7 @@ void packet_hci_event(struct timeval *tv, struct ucred *cred, uint16_t index,
 	char extra_str[25];
 	int i;
 
-	if (index > MAX_INDEX) {
+	if (index >= MAX_INDEX) {
 		print_field("Invalid index (%d).", index);
 		return;
 	}
@@ -11320,7 +11320,7 @@ void packet_hci_acldata(struct timeval *tv, struct ucred *cred, uint16_t index,
 	uint8_t flags = acl_flags(handle);
 	char handle_str[16], extra_str[32];
 
-	if (index > MAX_INDEX) {
+	if (index >= MAX_INDEX) {
 		print_field("Invalid index (%d).", index);
 		return;
 	}
@@ -11369,7 +11369,7 @@ void packet_hci_scodata(struct timeval *tv, struct ucred *cred, uint16_t index,
 	uint8_t flags = acl_flags(handle);
 	char handle_str[16], extra_str[32];
 
-	if (index > MAX_INDEX) {
+	if (index >= MAX_INDEX) {
 		print_field("Invalid index (%d).", index);
 		return;
 	}
@@ -11416,7 +11416,7 @@ void packet_hci_isodata(struct timeval *tv, struct ucred *cred, uint16_t index,
 	uint8_t flags = acl_flags(handle);
 	char handle_str[16], extra_str[32];
 
-	if (index > MAX_INDEX) {
+	if (index >= MAX_INDEX) {
 		print_field("Invalid index (%d).", index);
 		return;
 	}
-- 
2.29.2

RE: [BlueZ] btmon: fix buffer bound checks

[bluez.test.bot]

[-- Attachment #1: Type: text/plain, Size: 557 bytes --]

This is automated email and please do not reply to this email!

Dear submitter,

Thank you for submitting the patches to the linux bluetooth mailing list.
This is a CI test results with your patch series:
PW Link:https://patchwork.kernel.org/project/bluetooth/list/?series=405519

---Test result---

##############################
Test: CheckPatch - PASS

##############################
Test: CheckGitLint - PASS

##############################
Test: CheckBuild - PASS

##############################
Test: MakeCheck - PASS



---
Regards,
Linux Bluetooth

Re: [BlueZ] btmon: fix buffer bound checks

[Luiz Augusto von Dentz]

Hi,

On Tue, Dec 22, 2020 at 1:02 PM <bluez.test.bot@gmail.com> wrote:
>
> This is automated email and please do not reply to this email!
>
> Dear submitter,
>
> Thank you for submitting the patches to the linux bluetooth mailing list.
> This is a CI test results with your patch series:
> PW Link:https://patchwork.kernel.org/project/bluetooth/list/?series=405519
>
> ---Test result---
>
> ##############################
> Test: CheckPatch - PASS
>
> ##############################
> Test: CheckGitLint - PASS
>
> ##############################
> Test: CheckBuild - PASS
>
> ##############################
> Test: MakeCheck - PASS
>
>
>
> ---
> Regards,
> Linux Bluetooth

Applied, thanks.

-- 
Luiz Augusto von Dentz