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https://github.com/AsahiLinux/u-boot
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c091dc7dad
Fixes possible resource leak in dm_test_tee() reported by Coverity. Reported-by: Coverity (CID: 184175) Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
115 lines
2.5 KiB
C
115 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2018 Linaro Limited
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*/
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#include <common.h>
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#include <dm.h>
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#include <dm/test.h>
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#include <sandboxtee.h>
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#include <tee.h>
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#include <test/ut.h>
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#include <tee/optee_ta_avb.h>
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static int open_session(struct udevice *dev, u32 *session)
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{
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struct tee_open_session_arg arg;
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const struct tee_optee_ta_uuid uuid = TA_AVB_UUID;
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int rc;
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memset(&arg, 0, sizeof(arg));
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tee_optee_ta_uuid_to_octets(arg.uuid, &uuid);
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rc = tee_open_session(dev, &arg, 0, NULL);
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if (rc)
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return rc;
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if (arg.ret)
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return -EIO;
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*session = arg.session;
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return 0;
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}
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static int invoke_func(struct udevice *dev, u32 session)
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{
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struct tee_param param = { .attr = TEE_PARAM_ATTR_TYPE_VALUE_OUTPUT };
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struct tee_invoke_arg arg;
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memset(&arg, 0, sizeof(arg));
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arg.session = session;
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arg.func = TA_AVB_CMD_READ_LOCK_STATE;
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if (tee_invoke_func(dev, &arg, 1, ¶m) || arg.ret)
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return -1;
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return 0;
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}
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static int match(struct tee_version_data *vers, const void *data)
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{
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return vers->gen_caps & TEE_GEN_CAP_GP;
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}
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struct test_tee_vars {
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struct tee_shm *reg_shm;
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struct tee_shm *alloc_shm;
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};
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static int test_tee(struct unit_test_state *uts, struct test_tee_vars *vars)
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{
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struct tee_version_data vers;
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struct udevice *dev;
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struct sandbox_tee_state *state;
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u32 session = 0;
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int rc;
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u8 data[128];
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dev = tee_find_device(NULL, match, NULL, &vers);
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ut_assert(dev);
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state = dev_get_priv(dev);
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ut_assert(!state->session);
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rc = open_session(dev, &session);
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ut_assert(!rc);
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ut_assert(session == state->session);
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rc = invoke_func(dev, session);
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ut_assert(!rc);
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rc = tee_close_session(dev, session);
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ut_assert(!rc);
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ut_assert(!state->session);
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ut_assert(!state->num_shms);
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rc = tee_shm_register(dev, data, sizeof(data), 0, &vars->reg_shm);
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ut_assert(!rc);
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ut_assert(state->num_shms == 1);
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rc = tee_shm_alloc(dev, 256, 0, &vars->alloc_shm);
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ut_assert(!rc);
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ut_assert(state->num_shms == 2);
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ut_assert(tee_shm_is_registered(vars->reg_shm, dev));
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ut_assert(tee_shm_is_registered(vars->alloc_shm, dev));
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tee_shm_free(vars->reg_shm);
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vars->reg_shm = NULL;
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tee_shm_free(vars->alloc_shm);
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vars->alloc_shm = NULL;
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ut_assert(!state->num_shms);
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return 0;
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}
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static int dm_test_tee(struct unit_test_state *uts)
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{
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struct test_tee_vars vars = { NULL, NULL };
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int rc = test_tee(uts, &vars);
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/* In case test_tee() asserts these may still remain allocated */
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tee_shm_free(vars.reg_shm);
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tee_shm_free(vars.alloc_shm);
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return rc;
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}
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DM_TEST(dm_test_tee, DM_TESTF_SCAN_FDT);
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