Going to wontfix for bionic since there doesn't seem to be a need for it
at this point
** Changed in: bluez (Ubuntu Bionic)
Status: In Progress => Won't Fix
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https://bugs.launchpad.net/bugs/1887910
Title:
[bionic]blutoothd segfault when you cancel the keyboard pairing during
the dialog for pairing code
Status in OEM Priority Project:
Fix Released
Status in bluez package in Ubuntu:
Fix Released
Status in bluez source package in Bionic:
Won't Fix
Status in bluez source package in Eoan:
Fix Released
Status in bluez source package in Focal:
Fix Released
Status in bluez source package in Groovy:
Fix Released
Bug description:
[Impact]
This patch is for this issue:
steps:
1. pair bluetooth keyboard
2. see the dialog asking user input the code for pairing.
3. press "esc" to cancel it.
4. blutoothd segfault shows in dmesg after a while.
5. Bluetooth shows off on setting UI of right top corner. dmesg shows: [
978.138593] bluetoothd[1569]: segfault at 0 ip 000055564abe0a06 sp
00007ffe4bec6410 error 4 in bluetoothd[55564ab77000+f3000]
[Test Case]
1. pair bluetooth keyboard
2. see the dialog asking user input the code for pairing.
3. press "esc" to cancel it.
4. the bluetooth should still work to pair another bluetooth device.
[Regression Potential]
* This patch workaround the case that a queue node was created but
not yet assigned function before user input pairing keycode. If the
user cancel the paring before inputting pairing keycode then assign
the function pointer a dummy 'direct_match'.
* Bluetoothd responses to Bluetooth functions and "queue" is a shared
common data structure, so in case of regression happens then blutoothd
systemd service would be crashed.
* We can verify this by operating add/remove BT devices to trigger
queue operations.
* I verified on target machine BIOS ID:0983 on BT mouse, keyboard,
headset on pairing, remove and functionality checking.
[Other Info]
* NO.
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