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Change History

In the Linux kernel, the following vulnerability has been resolved:

Revert "media: iris: Add sanity check for stop streaming"

This reverts commit ad699fa78b59241c9d71a8cafb51525f3dab04d4.

Revert the check that skipped stop_streaming when the instance was in
IRIS_INST_ERROR, as it caused multiple regressions:

1. Buffers were not returned to vb2 when the instance was already in
   error state, triggering warnings in the vb2 core because buffer
   completion was skipped.

2. If a session failed early (e.g. unsupported configuration), the
   instance transitioned to IRIS_INST_ERROR. When userspace attempted
   to stop streaming for cleanup, stop_streaming was skipped due to the
   added check, preventing proper teardown and leaving the firmware
   in an inconsistent state.

https://git.kernel.org/stable/c/370e19042fb8ac68109f8bdb0fdd8118baf39318

https://git.kernel.org/stable/c/a58b9d1c1cf81c0b29f1983c63c3e0c0caa68398

https://git.kernel.org/stable/c/bd4f8fa216182f33c06d4c1e162975a0c42fb14e