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: Stanimir Varbanov <stanimir.varbanov@xxxxxxxxxx> --- drivers/media/platform/qcom/venus/vdec.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c index 5823537b3131..f23cbd812ef4 100644 --- a/drivers/media/platform/qcom/venus/vdec.c +++ b/drivers/media/platform/qcom/venus/vdec.c @@ -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; } -- 2.17.1
