[Bug 1827452] Re: null pointer dereference in uvcvideo

2022-01-17 Thread Benjamin Burns
And one more tool that might help you get a more reliable repro: https://github.com/HexHive/USBFuzz - likely would need modification to target this specific problem, however. More details here: https://www.usenix.org/conference/usenixsecurity20/presentation/peng -- You received this bug

[Bug 1827452] Re: null pointer dereference in uvcvideo

2022-01-17 Thread Benjamin Burns
Ah, I suppose I could try booting off of a Live USB. It'd be a fair amount of effort, but if you're looking for a more reliable test jig, you might try using a Teensy 2.0++ or similar. They've been used in the past for similar purposes (e.g.

[Bug 1827452] Re: null pointer dereference in uvcvideo

2022-01-17 Thread Benjamin Burns
Unfortunately at the moment I no longer have access to a box that's running Ubuntu (or any linux) on bare metal. I suppose I can give it a try with USB passthrough in a VM over the weekend, perhaps? Also it's been ages since I've built and booted a custom kernel. Does Ubuntu have an easy method

[Bug 1827452] Re: null pointer dereference in uvcvideo

2022-01-17 Thread Benjamin Burns
I wasn't aware that I could change the status of this bug. It's clear to me from the comments above that others have observed it, so I've gone ahead and switched it from "Expired" to "Confirmed." ** Changed in: linux (Ubuntu) Status: Expired => Confirmed -- You received this bug

[Bug 1827452] Re: null pointer dereference in uvcvideo

2020-12-09 Thread Benjamin Burns
For what it's worth, as a dev who's spent plenty of time hacking the kernel in a prior job, I really appreciate the effort. Hopefully it won't be completely in vain. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1827452] Re: null pointer dereference in uvcvideo

2019-05-02 Thread Benjamin Burns
To be clear, the line below (taken from the longer log output above) was not due to me physically disconnecting the camera. I disconnected it after capturing the kernel log. [ 938.125745] usb 3-3: USB disconnect, device number 5 -- You received this bug notification because you are a member of

[Bug 1827452] [NEW] null pointer dereference in uvcvideo

2019-05-02 Thread Benjamin Burns
Public bug reported: I have a logitech c920 webcam. When using this camera in obs-studio v23.x, all of my USB devices stop working and I see the following in my kernel log: [ 590.282211] usb 3-3: new high-speed USB device number 5 using xhci_hcd [ 592.660916] usb 3-3: New USB device found,

[Bug 1181666] Re: gnome-shell randomly blocks mouse clicks from working in app windows

2019-04-25 Thread Benjamin Burns
Also worth mentioning that the issue was present when running under both Wayland and XOrg. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1181666 Title: gnome-shell randomly blocks mouse clicks from

[Bug 1181666] Re: gnome-shell randomly blocks mouse clicks from working in app windows

2019-04-25 Thread Benjamin Burns
I believe that I managed to fix this on my machine. I'd suggest to anyone having this issue to check for and uninstall any workspace- related extensions in gnome-tweaks. Read on for more detail. This problem appeared for me after updating to 19.04 from 18.10. Like everyone else, I could click on

[Bug 1435571] Re: docker: docker run --cpuset is not having any effect

2016-03-01 Thread Benjamin Burns
This issue has either regressed, or it has not made it to 4.2.0-25-generic on Ubuntu 15.10. user@host:~$ uname -a Linux bburns-workstation 4.2.0-25-generic #30-Ubuntu SMP Mon Jan 18 12:31:50 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux user@host:~$ cat /etc/issue Ubuntu 15.10 \n \l user@host:~$

[Bug 1193714] Re: bamfdaemon crashed with signal 5 in _XReply()

2014-03-27 Thread Benjamin Burns
Hi Christopher, In the mean time, do you know of anything special about the fix which makes it difficult/impossible to get running on a 13.10 box? That is, if the more dev-savvy of us were to pull/rebuild the BAMF daemon on our own 13.10 machines, should it work? Cheers, Ben -- You received