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mirror-linux/drivers/accel
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Zack McKevitt aa16b2bc0f accel/qaic: Add overflow check to remap_pfn_range during mmap 
The call to remap_pfn_range in qaic_gem_object_mmap is susceptible to
(re)mapping beyond the VMA if the BO is too large. This can cause use
after free issues when munmap() unmaps only the VMA region and not the
additional mappings. To prevent this, check the remaining size of the
VMA before remapping and truncate the remapped length if sg->length is
too large.

Reported-by: Lukas Maar <lukas.maar@tugraz.at>
Fixes: ff13be8303 ("accel/qaic: Add datapath")
Reviewed-by: Karol Wachowski <karol.wachowski@linux.intel.com>
Signed-off-by: Zack McKevitt <zachary.mckevitt@oss.qualcomm.com>
Reviewed-by: Jeff Hugo <jeff.hugo@oss.qualcomm.com>
[jhugo: fix braces from checkpatch --strict]
Signed-off-by: Jeff Hugo <jeff.hugo@oss.qualcomm.com>
Link: https://patch.msgid.link/20260430193858.1178641-1-zachary.mckevitt@oss.qualcomm.com
 		2026-05-12 10:58:18 -06:00
..
amdxdna Merge drm/drm-fixes into drm-misc-next-fixes 2026-03-30 10:05:36 +02:00
ethosu accel: ethosu: Add hardware dependency hint 2026-04-02 15:18:14 -05:00
habanalabs Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses 2026-02-22 08:26:33 -08:00
ivpu accel/ivpu: Disallow re-exporting imported GEM objects 2026-04-30 13:51:37 +02:00
qaic accel/qaic: Add overflow check to remap_pfn_range during mmap 2026-05-12 10:58:18 -06:00
rocket accel/rocket: Fix prep_bo ioctl leaking positive return from dma_resv_wait_timeout() 2026-05-07 14:52:55 +01:00
Kconfig accel: Add Arm Ethos-U NPU driver 2025-10-24 15:07:39 -05:00
Makefile accel: Add Arm Ethos-U NPU driver 2025-10-24 15:07:39 -05:00
drm_accel.c drm: move drm based debugfs funcs to drm_debugfs.c 2025-07-04 15:58:22 +02:00