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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2024-07-31 02:09:44 +0300
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2024-08-01 01:22:14 +0300
commitefc7a85bc00a767427c219a43d0bb420dfc6361b (patch)
tree7a4efcd5d0da89a4febe098b8b0f811402648f26 /src/py
parent93d975194522450894a6fe7554b28a14fbfe7214 (diff)
libcamera: shared_mem_object: Prevent memfd from shrinking or growing
The memfd underlying the SharedMem object must not shrink, or memory corruption will happen. Prevent this by setting the shrink seal on the file. As there's no valid use case for growing the memory either, set the grow seal as well. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Milan Zamazal <mzamazal@redhat.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Tested-by: Milan Zamazal <mzamazal@redhat.com> Tested-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com>
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