Commit bc3d870e authored by Stanimir Varbanov's avatar Stanimir Varbanov Committed by Mauro Carvalho Chehab
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media: venus: vdec: Init registered list unconditionally 



Presently the list initialization is done only in
dynamic-resolution-change state, which leads to list corruptions
and use-after-free. Init list_head unconditionally in
vdec_stop_capture called by vb2 stop_streaming without takeing
into account current codec state.

Signed-off-by: default avatarStanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 51df3c81

drivers/media/platform/qcom/venus/vdec.c

+3 −2
Original line number Diff line number Diff line
@@ -1072,13 +1072,14 @@ static int vdec_stop_capture(struct venus_inst *inst) 
	case VENUS_DEC_STATE_DRC:

		ret = hfi_session_flush(inst, HFI_FLUSH_OUTPUT);

		inst->codec_state = VENUS_DEC_STATE_CAPTURE_SETUP;

		INIT_LIST_HEAD(&inst->registeredbufs);

		venus_helper_free_dpb_bufs(inst);

		break;

	default:

		return 0;

		break;

	}



	INIT_LIST_HEAD(&inst->registeredbufs);



	return ret;

}