Public bug reported:
[ Impact ]
On some machine with Mediatek USB bluetooth controller, activate
scanning will lead to system hang. This is due to unexpected null
pointer dereference in the set up flow.
[ Fix ]
Cherry-pick one commit from mainline linux:
61c5a3def90a (Bluetooth: btmtk: adjust the position to init iso data
anchor)
[ Test ]
1. Boot into the kenrel
2. Run bluetoothctl
3. In the bluetoothctl shell, run "scan on"
4. The MTK bluetooth usb device should be able to scan, and system should not
hang.
** Affects: linux-oem-6.11 (Ubuntu)
Importance: Undecided
Status: New
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Packages, which is subscribed to linux-oem-6.11 in Ubuntu.
https://bugs.launchpad.net/bugs/2092473
Title:
[SRU] Fix system hang issue caused by the btmtk driver
Status in linux-oem-6.11 package in Ubuntu:
New
Bug description:
[ Impact ]
On some machine with Mediatek USB bluetooth controller, activate
scanning will lead to system hang. This is due to unexpected null
pointer dereference in the set up flow.
[ Fix ]
Cherry-pick one commit from mainline linux:
61c5a3def90a (Bluetooth: btmtk: adjust the position to init iso
data anchor)
[ Test ]
1. Boot into the kenrel
2. Run bluetoothctl
3. In the bluetoothctl shell, run "scan on"
4. The MTK bluetooth usb device should be able to scan, and system should not
hang.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-oem-6.11/+bug/2092473/+subscriptions
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