Re: Re: Debian 12.5 up-to-date Xfce, Firefox clings to USB stick

[Antti-Pekka Känsälä]

I'm mounting and unmounting through the stick icon's menu on Xfce desktop.
Maybe a fancy file chooser dialogue stays around analyzing the directory,
as you suspect? But I'm worried my Gmail in Firefox is capable of stealing
files off my USB stick.

Re: Re: Re: Debian 12.5 up-to-date Xfce, Firefox clings to USB stick

[Antti-Pekka Känsälä]

I'd just like to add that I have seen the problem despite reinstalls with
Debian stable minor versions. Thanks!

Re: Re: Debian 12.5 up-to-date Xfce, Firefox clings to USB stick

[tomas]

On Sat, Mar 30, 2024 at 07:32:16PM +0200, Antti-Pekka Känsälä wrote:
> Yes, closing Firefox does allow the stick to unmount cleanly, but I still
> worry.

To get an idea of what's going on, you can use "lsof":

  tomas@trotzki:~$ lsof /dev/sda1
  COMMAND  PID  USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
  bash3982 tomas  cwdDIR8,1 40962 /boot
  hexdump 4056 tomas0r   REG8,1 33464584   28 
/boot/initrd.img-5.10.0-26-amd64
  hexdump 4074 tomas0r   REG8,1  7044672   27 
/boot/vmlinuz-5.10.0-26-amd64

There are three processes accessing my /dev/sda1 ("aka" /boot). I put
them there to have something to show :-)

Cheers
-- 
t


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Re: Re: Debian 12.5 up-to-date Xfce, Firefox clings to USB stick

[Antti-Pekka Känsälä]

I can replicate this, by trying to send Gmail to myself in Firefox,
attaching a binary on a mounted USB stick. After the attachment supposedly
was uploaded, I tried to unmount the stick, but it blocked. "lsof | grep -i
KINGSTON" then shows a total of 129 lines from "x-www-browser". This lasted
for about a minute, then the drive unmounted by itself.

Re: Re: Debian 12.5 up-to-date Xfce, Firefox clings to USB stick

[Antti-Pekka Känsälä]

I was able to replicate this, by trying to send gmail to myself in Firefox,
attaching a binary on a mounted USB stick. After the attachment supposedly
was uploaded, I tried to unmount the stick, but it blocks. "lsof | grep -i
KINGSTON" then shows a total of 129 lines from "x-www-browser". This lasted
for about a minute, then the drive unmounted by itself.

Re: Re: Debian 12.5 up-to-date Xfce, Firefox clings to USB stick

[Antti-Pekka Känsälä]

Yes, closing Firefox does allow the stick to unmount cleanly, but I still
worry.