Displaying 5 results from an estimated 5 matches for "pbdma9".
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2024 Sep 23
1
[PATCH 1/2] nouveau/dmem: Fix privileged error in copy engine channel
When `nouveau_dmem_copy_one` is called, the following error occurs:
[272146.675156] nouveau 0000:06:00.0: fifo: PBDMA9: 00000004 [HCE_PRIV]
ch 1 00000300 00003386
This indicates that a copy push command triggered a Host Copy Engine
Privileged error on channel 1 (Copy Engine channel). To address this
issue, modify the Copy Engine channel to allow privileged push commands
Fixes: 6de125383a5cc
Signed-off-by: Yonatan...
2024 Oct 08
1
[PATCH v3 1/2] nouveau/dmem: Fix privileged error in copy engine channel
From: Yonatan Maman <Ymaman at Nvidia.com>
When `nouveau_dmem_copy_one` is called, the following error occurs:
[272146.675156] nouveau 0000:06:00.0: fifo: PBDMA9: 00000004 [HCE_PRIV]
ch 1 00000300 00003386
This indicates that a copy push command triggered a Host Copy Engine
Privileged error on channel 1 (Copy Engine channel). To address this
issue, modify the Copy Engine channel to allow privileged push commands
Fixes: 6de125383a5c ("drm/nouveau/fifo...
2024 Sep 23
2
[PATCH 0/2] *** BUG Fix for Nouveau Memory***
This patch series addresses two critical issues in the Nouveau driver related to device channels, error handling and memory leaking.
- Memory Leak in migrate_to_ram - the migrate_to_ram function was identified as leaking memory when a copy push command fails. This results in the function returning a dirty HIGH_USER page, which can expose sensitive information and pose a security risk. To mitigate
2024 Oct 08
2
[PATCH v3 0/2] drm/nouveau/dmem: Fix Vulnerability and Device Channels configuration
From: Yonatan Maman <Ymaman at Nvidia.com>
This patch series addresses two critical issues in the Nouveau driver
related to device channels, error handling, and sensitive data leaks.
- Vulnerability in migrate_to_ram: The migrate_to_ram function might
return a dirty HIGH_USER page when a copy push command (FW channel)
fails, potentially exposing sensitive data and posing a security
2024 Oct 08
3
[PATCH v4 0/2] drm/nouveau/dmem: Fix Vulnerability and Device Channels configuration
From: Yonatan Maman <Ymaman at Nvidia.com>
This patch series addresses two critical issues in the Nouveau driver
related to device channels, error handling, and sensitive data leaks.
- Vulnerability in migrate_to_ram: The migrate_to_ram function might
return a dirty HIGH_USER page when a copy push command (FW channel)
fails, potentially exposing sensitive data and posing a security