OP-TE fixes for v5.17
- Adds error checking in optee_ffa_do_call_with_arg() - Reintroduces an accidentally lost fix for a memref size check - Uses bitmap_free() to free memory obtained with bitmap_zalloc() -----BEGIN PGP SIGNATURE----- iQJOBAABCgA4FiEEFV+gSSXZJY9ZyuB5LinzTIcAHJcFAmHxH3YaHGplbnMud2lr bGFuZGVyQGxpbmFyby5vcmcACgkQLinzTIcAHJcfyw/+ON3pjOWqnf/1vx8i6/Ff ClwvvnYxTzG5KLcHLVc3mQMRMuckKSOVbudEPVNh21ShzYEG10ZiBvnamVyE90d5 w5prGYG6VJleWKu48PdPyCBab/70alG5Uz4F9zFype4/Je95GJdzW/9Cdy2Z0/BR UbMsBtksE8cRoHdleHu31UdUPsnfSPGzTfJDWH3zVzuZT7cqWcQMnZNnk72K+iXH XR9dBVGQL04pejoWVIMy0jzvKl/7MoOtBRrlmzAXxLDWwdxSgriRfmQmA1jEumM8 LLW8NZTMb7PBI7rkMrWDWziWfyp3N32BtRdkjzvMNHW01u2frsew92XZYK1c3qki OgN2rZkJ214xQpT3zMl+XtlSz5qWGA1I6N3oPe7Lr4rxbs9G2ErKn6GLMREfkXgG Xi5xy1wzSZg3SXan6oM2DO4cDXq2LOcubqKev8oWzhVBFzYNgnjtccsZ4KXYzp0z 7Bhs0FrBv6z9bcFNKFXsamzJTezI8m8DhaXLiphfTctgWO6T7NwmrZnOH29YeMzh LfdM6cKIe7nR+w65atrlUFGzfSw4YomgLa6Z6QROSpOY4iAOOceszHZsq0VrUP7x uDTLzcoRFbsiJflNJ+fkI0pMLV+2DRPi07Ct/KmnRGq2uXOJyCsFmNTFcPRmSHPc ho57USzMvl9Loh076Rt71kA= =dcSW -----END PGP SIGNATURE----- gpgsig -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEo6/YBQwIrVS28WGKmmx57+YAGNkFAmICLmwACgkQmmx57+YA GNn7eA//dwFBYgFW7ATlLzp8lWL7mOg4Dh6vzdinyLLaKp0bPTKn0oNZxuDZE6d4 FHw7ZDKShwlD5/NwPp9IfigErPgBOUbO1j4FlfLi3rIAqeOka3yuRllRD2tRA2+H dl0SI5e8QLwmGZ7pWcJcvR4xm700o45nIkPWptQPQfNcEFfHrML03tnzQvQoA3S3 ziIK13aKDMBL/9SjLKpWq5dW6d8mkFsbE6TVrmLfwaCqBgcpqy3WC9z6WmG/wI5G Vio3LsV2UG+ngfmLer7gePaVgQW9UbAOM2k5pmA4Zxnkh/Q4mWSlQVMFC5wLFyha x4fMZkSU46YGTo1zRpLHVY8UjPvpMM6uv5hWTza/j3c3jBbkN9rvm9la9GrpXz4i ZPA5ehaFQ51lSQlx2g2WeZaJYuRliZiWNjrR+A4aGGIBh+4aYC+2sUvky4SyavjJ LTKwdyvF1RTkDGr7L+mkZLnOZqLQ9xHDIOiMkM0JqLG/xbNFSqMr9oAvh1gf37mo 42hAtjvx6mU2la21AjCsTzEZgtDXtRJO/bRvT3/3taa3f/ehR47wzUwlMOE7vWcr tjHpBJ5vhlg8XwLgHPNxi+nCnAW02q1guEf/QaIxuhpdgyySQQB/NrkQmgsEUYX8 2RaxOL3iwWjNd56M7D6M+TviUwYmm/aVcrl9adbV48pWtESeL6s= =9uyN -----END PGP SIGNATURE----- Merge tag 'optee-fixes-for-v5.17' of git://git.linaro.org/people/jens.wiklander/linux-tee into arm/fixes OP-TE fixes for v5.17 - Adds error checking in optee_ffa_do_call_with_arg() - Reintroduces an accidentally lost fix for a memref size check - Uses bitmap_free() to free memory obtained with bitmap_zalloc() * tag 'optee-fixes-for-v5.17' of git://git.linaro.org/people/jens.wiklander/linux-tee: optee: add error checks in optee_ffa_do_call_with_arg() tee: optee: do not check memref size on return from Secure World optee: Use bitmap_free() to free bitmap Link: https://lore.kernel.org/r/20220126102609.GA1516258@jade Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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commit
cc0def5b4e
@ -619,9 +619,18 @@ static int optee_ffa_do_call_with_arg(struct tee_context *ctx,
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.data2 = (u32)(shm->sec_world_id >> 32),
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.data3 = shm->offset,
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};
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struct optee_msg_arg *arg = tee_shm_get_va(shm, 0);
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unsigned int rpc_arg_offs = OPTEE_MSG_GET_ARG_SIZE(arg->num_params);
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struct optee_msg_arg *rpc_arg = tee_shm_get_va(shm, rpc_arg_offs);
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struct optee_msg_arg *arg;
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unsigned int rpc_arg_offs;
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struct optee_msg_arg *rpc_arg;
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arg = tee_shm_get_va(shm, 0);
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if (IS_ERR(arg))
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return PTR_ERR(arg);
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rpc_arg_offs = OPTEE_MSG_GET_ARG_SIZE(arg->num_params);
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rpc_arg = tee_shm_get_va(shm, rpc_arg_offs);
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if (IS_ERR(rpc_arg))
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return PTR_ERR(rpc_arg);
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return optee_ffa_yielding_call(ctx, &data, rpc_arg);
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}
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@ -121,5 +121,5 @@ int optee_notif_init(struct optee *optee, u_int max_key)
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void optee_notif_uninit(struct optee *optee)
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{
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kfree(optee->notif.bitmap);
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bitmap_free(optee->notif.bitmap);
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}
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@ -75,16 +75,6 @@ static int from_msg_param_tmp_mem(struct tee_param *p, u32 attr,
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p->u.memref.shm_offs = mp->u.tmem.buf_ptr - pa;
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p->u.memref.shm = shm;
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/* Check that the memref is covered by the shm object */
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if (p->u.memref.size) {
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size_t o = p->u.memref.shm_offs +
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p->u.memref.size - 1;
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rc = tee_shm_get_pa(shm, o, NULL);
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if (rc)
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return rc;
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}
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return 0;
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}
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