Source: glib2.0
Version: 2.84.0-2
Severity: normal
X-Debbugs-Cc: ian@wienand.org

Dear Maintainer,

I can no longer upload files from Firefox 136.0.2 from a smb share I
have mounted, or open them in Gimp (this is the two things I've found).

I can enter the upload dialog, browse the file and see it, but when I
upload it gives "The file does not have read permissions" in a modal
(I'm sure that's a spurious error) and in the journal logs I can see

---
Mar 24 15:14:30 framework firefox-bin[18770]: GFileInfo created without standard::content-type
Mar 24 15:14:30 framework firefox-bin[18770]: file ../../../gio/gfileinfo.c: line 1821 (g_file_info_get_content_type): should not be reached
Mar 24 15:14:30 framework firefox.desktop[18770]: [Parent 18770, Main Thread] WARNING: GFileInfo created without standard::content-type: 'glib warning', file /builds/worker/checkouts/gecko/toolkit/xre/nsSigHandlers.cpp:201
Mar 24 15:14:30 framework firefox.desktop[18770]: [Parent 18770, Main Thread] WARNING: file ../../../gio/gfileinfo.c: line 1821 (g_file_info_get_content_type): should not be reached: 'glib warning', file /builds/worker/checkouts/gecko/toolkit/xre/
nsSigHandlers.cpp:201
---

I tried with firefox-beta (137.0b9) and I get the same thing

---
(firefox-beta:14257): GLib-GIO-CRITICAL **: 14:19:44.355: GFileInfo created without standard::content-type
[Parent 14257, Main Thread] WARNING: file ../../../gio/gfileinfo.c: line 1821 (g_file_info_get_conten

Ok, some more searching turned up

https://gitlab.gnome.org/GNOME/eog/-/issues/312

which describes eog crashing in a similar way when viewing images on a
smb share, because of the meta-data returned by gvfs.

https://gitlab.gnome.org/GNOME/gimp/-/issues/9994

Describes a similar issue in gimp

However, if I do

---
$ gio info smb://...<file>
...
attributes:
standard::type: 1
...
standard::content-type: image/jpeg
standard::fast-content-type: image/jpeg
---

it would seem that gio at least thinks it has standard::content-type

I do probably think glib is warning here because of some other issue,
but what that is I am open to suggestions :)

On Mon, 24 Mar 2025 at 15:31, Ian Wienand <ian@wienand.org> wrote:

Source: glib2.0
Version: 2.84.0-2
Severity: normal
X-Debbugs-Cc: ian@wienand.org

Dear Maintainer,

I can no longer upload files from Firefox 136.0.2 from a smb share I
have mounted, or open them in Gimp (this is the two things I've found).

I can enter the upload dialog, browse the file and see it, but when I
upload it gives "The file does not have read permissions" in a modal
(I'm sure that's a spurious error) and in the journal logs I can see

---
Mar 24 15:14:30 framework firefox-bin[18770]: GFileInfo created without standard::content-type
M

On Mon, 24 Mar 2025 at 15:31:24 +1100, Ian Wienand wrote:

Mar 24 15:14:30 framework firefox-bin[18770]: GFileInfo created without standard::content-type

It might help to upgrade gvfs to version 1.57.2-2 from unstable (you
didn't include the versions of related packages in your bug report, so I
can't tell whether you already have that). gvfs 1.57.2-2 fixes #1101025
which could have an impact here.

Or, Firefox or some component used by Firefox might be creating a
GFileInfo without asking for it to contain the standard::content-type
field, and then assuming that it will contain that information anyway.
If that's the case then it's a programming error in Firefox (or in some component used by it).

Firefox 136.0.2

Is this the firefox package from unstable, or is it a third-party
package from outside Debian?

Out of interest I also tried with GTK_USE_PORTAL=1 and I see the "new"
dialog box then, but when I try to upload it just dies with no other
details. In the logs there is

---
[Parent 22691, Main Thread] WARNING: invalid cast from 'GtkFileChooserNative' to 'GtkWindow': 'glib warning', file /builds/worker/checkouts/gecko/toolkit/xre/nsSigHandlers.cpp:201

(firefox-beta:22691): GLib-GObject-CRITICAL **: 15:18:41.707: invalid cast from 'GtkFileChooserNative' to 'GtkWindow'
[Parent 22691, Main Thread] WARNING: gtk_message_dialog_new: assertion 'parent == NULL || GTK_IS_WINDOW (parent)' failed: 'glib warning', file /builds/worker/checkouts/gecko/toolkit/xre/nsSigHandlers.cpp:201
---

I think that might be a separate issue, just adding for completness ...

This is a separate issue, and it is a Firefox or library bug: it's
asking for a GtkFileChooser and assuming that the result will be a
GtkWindow, but that is not an API guarantee (and in particular it is not
true when using the portal-based file chooser dialogs).

smcv

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On Mon, 24 Mar 2025 at 20:57, Simon McVittie <smcv@debian.org> wrote:

On Mon, 24 Mar 2025 at 15:31:24 +1100, Ian Wienand wrote:

Mar 24 15:14:30 framework firefox-bin[18770]: GFileInfo created without standard::content-type

It might help to upgrade gvfs to version 1.57.2-2 from unstable (you
didn't include the versions of related packages in your bug report, so I can't tell whether you already have that). gvfs 1.57.2-2 fixes #1101025
which could have an impact here.

Ahhh thank you! Yes, I installed this (from 1.57.2-1 testing) logged
out and in and ... it works! So I guess this is a dup of that

Or, Firefox or some component used by Firefox might be creating a
GFileInfo without asking for it to contain the standard::content-type
field, and then assuming that it will contain that information anyway.
If that's the case then it's a programming error in Firefox (or in some component used by it).

Firefox 136.0.2

Is this the firefox package from unstable, or is it a third-party
package from outside Debian?

For reference this is the 3rd party firefox repo

Out of interest I also tried with GTK_USE_PORTAL=1 and I see the "new" >dialog box then, but when I try to upload it just dies with no other >details. In the logs there is

---
[Parent 22691, Main Thread] WARNING: invalid cast from 'GtkFileChooserNative' to 'GtkWindow': 'glib warning', file /builds/worker/checkouts/gecko/toolkit/xre/nsSigHandlers.cpp:201

(firefox-beta:22691): GLib-GObject-CRITICAL **: 15:18:41.707: invalid cast from 'GtkFileChooserNative' to 'GtkWindow'
[Parent 22691, Main Thread] WARNING: gtk_message_dialog_new: assertion 'parent == NULL || GTK_IS_WINDOW (parent)' failed: 'glib warning', file /builds/worker/checkouts/gecko/toolkit/xre/nsSigHandlers.cpp:201
---

I think that might be a separate issue, just adding for completness ...

This is a separate issue, and it is a Firefox or library bug: it's
asking for a GtkFileChooser and assuming that the result will be a
GtkWindow, but that is not an API guarantee (and in particular it is not
true when using the portal-based file chooser dialogs).

This also went away with the gvfs upgrade as well (also gimp, document
viewer and a few other things that were all failing work now too, unsurprisingly). So whatever that was doing I think certainly managed
to confuse the file choosing box in some interesting ways :)

Thank you for the quick response, I guess this will hit testing soon enough

-i

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