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| author | Karol Wachowski <karol.wachowski@linux.intel.com> | 2026-04-30 12:56:44 +0300 |
|---|---|---|
| committer | Karol Wachowski <karol.wachowski@linux.intel.com> | 2026-04-30 14:51:37 +0300 |
| commit | 7dd57d7a6350770dfc283287125c409e995200e0 (patch) | |
| tree | 8bd4fef34033dd441a74a949f582c821dfb1a2f9 /scripts/objdiff | |
| parent | ac2c996675755c725a0065dbe3e2ebffded9080b (diff) | |
| download | linux-7dd57d7a6350770dfc283287125c409e995200e0.tar.xz | |
accel/ivpu: Disallow re-exporting imported GEM objects
Prevent re-exporting of imported GEM buffers by adding a custom
prime_handle_to_fd callback that checks if the object is imported
and returns -EOPNOTSUPP if so.
Re-exporting imported GEM buffers causes loss of buffer flags settings,
leading to incorrect device access and data corruption.
Reported-by: Yametsu <yam3tsu@gmail.com>
Fixes: 57557964b582 ("accel/ivpu: Add support for userptr buffer objects")
Reviewed-by: Andrzej Kacprowski <andrzej.kacprowski@linux.intel.com>
Signed-off-by: Karol Wachowski <karol.wachowski@linux.intel.com>
Cc: <stable@vger.kernel.org> # v6.19+
Diffstat (limited to 'scripts/objdiff')
0 files changed, 0 insertions, 0 deletions