This is a note to let you know that I've just added the patch titled
accel/habanalabs: fix debugfs files permissions
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
accel-habanalabs-fix-debugfs-files-permissions.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 1c5cbfdc012dc576d1cc3b05e11e5f2f251225ae
Author: Avri Kehat <akehat@xxxxxxxxx>
Date: Tue Jan 16 17:54:36 2024 +0200
accel/habanalabs: fix debugfs files permissions
[ Upstream commit 0b105a2a7225f2736bd07aca0538cd67f09bfa20 ]
debugfs files are created with permissions that don't align
with the access requirements.
Signed-off-by: Avri Kehat <akehat@xxxxxxxxx>
Reviewed-by: Oded Gabbay <ogabbay@xxxxxxxxxx>
Reviewed-by: Carl Vanderlip <quic_carlv@xxxxxxxxxxx>
Signed-off-by: Oded Gabbay <ogabbay@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/accel/habanalabs/common/debugfs.c b/drivers/accel/habanalabs/common/debugfs.c
index 9e84a47a21dcf..7d733e4d50611 100644
--- a/drivers/accel/habanalabs/common/debugfs.c
+++ b/drivers/accel/habanalabs/common/debugfs.c
@@ -1645,19 +1645,19 @@ static void add_files_to_device(struct hl_device *hdev, struct hl_dbg_device_ent
&hl_data64b_fops);
debugfs_create_file("set_power_state",
- 0200,
+ 0644,
root,
dev_entry,
&hl_power_fops);
debugfs_create_file("device",
- 0200,
+ 0644,
root,
dev_entry,
&hl_device_fops);
debugfs_create_file("clk_gate",
- 0200,
+ 0644,
root,
dev_entry,
&hl_clk_gate_fops);
@@ -1669,13 +1669,13 @@ static void add_files_to_device(struct hl_device *hdev, struct hl_dbg_device_ent
&hl_stop_on_err_fops);
debugfs_create_file("dump_security_violations",
- 0644,
+ 0400,
root,
dev_entry,
&hl_security_violations_fops);
debugfs_create_file("dump_razwi_events",
- 0644,
+ 0400,
root,
dev_entry,
&hl_razwi_check_fops);
@@ -1708,7 +1708,7 @@ static void add_files_to_device(struct hl_device *hdev, struct hl_dbg_device_ent
&hdev->reset_info.skip_reset_on_timeout);
debugfs_create_file("state_dump",
- 0600,
+ 0644,
root,
dev_entry,
&hl_state_dump_fops);
@@ -1726,7 +1726,7 @@ static void add_files_to_device(struct hl_device *hdev, struct hl_dbg_device_ent
for (i = 0, entry = dev_entry->entry_arr ; i < count ; i++, entry++) {
debugfs_create_file(hl_debugfs_list[i].name,
- 0444,
+ 0644,
root,
entry,
&hl_debugfs_fops);
