Context |
Check |
Description |
tedd_an/pre-ci_am |
success
|
Success
|
tedd_an/CheckPatch |
success
|
CheckPatch PASS
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tedd_an/GitLint |
fail
|
WARNING: I3 - ignore-body-lines: gitlint will be switching from using Python regex 'match' (match beginning) to 'search' (match anywhere) semantics. Please review your ignore-body-lines.regex option accordingly. To remove this warning, set general.regex-style-search=True. More details: https://jorisroovers.github.io/gitlint/configuration/#regex-style-search
7: B3 Line contains hard tab characters (\t): "Cc: stable@vger.kernel.org # 4.10"
|
tedd_an/SubjectPrefix |
success
|
Gitlint PASS
|
tedd_an/BuildKernel |
success
|
BuildKernel PASS
|
tedd_an/CheckAllWarning |
success
|
CheckAllWarning PASS
|
tedd_an/CheckSparse |
success
|
CheckSparse PASS
|
tedd_an/CheckSmatch |
fail
|
CheckSparse: FAIL:
Segmentation fault (core dumped)
make[4]: *** [scripts/Makefile.build:244: net/bluetooth/hci_core.o] Error 139
make[4]: *** Deleting file 'net/bluetooth/hci_core.o'
make[3]: *** [scripts/Makefile.build:485: net/bluetooth] Error 2
make[2]: *** [scripts/Makefile.build:485: net] Error 2
make[2]: *** Waiting for unfinished jobs....
Segmentation fault (core dumped)
make[4]: *** [scripts/Makefile.build:244: drivers/bluetooth/bcm203x.o] Error 139
make[4]: *** Deleting file 'drivers/bluetooth/bcm203x.o'
make[4]: *** Waiting for unfinished jobs....
Segmentation fault (core dumped)
make[4]: *** [scripts/Makefile.build:244: drivers/bluetooth/bpa10x.o] Error 139
make[4]: *** Deleting file 'drivers/bluetooth/bpa10x.o'
make[3]: *** [scripts/Makefile.build:485: drivers/bluetooth] Error 2
make[2]: *** [scripts/Makefile.build:485: drivers] Error 2
make[1]: *** [/github/workspace/src/src/Makefile:1919: .] Error 2
make: *** [Makefile:240: __sub-make] Error 2
|
tedd_an/BuildKernel32 |
success
|
BuildKernel32 PASS
|
tedd_an/TestRunnerSetup |
success
|
TestRunnerSetup PASS
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tedd_an/TestRunner_l2cap-tester |
success
|
TestRunner PASS
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tedd_an/TestRunner_iso-tester |
fail
|
TestRunner_iso-tester: Total: 122, Passed: 121 (99.2%), Failed: 1, Not Run: 0
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tedd_an/TestRunner_bnep-tester |
success
|
TestRunner PASS
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tedd_an/TestRunner_mgmt-tester |
fail
|
TestRunner_mgmt-tester: Total: 492, Passed: 489 (99.4%), Failed: 1, Not Run: 2
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tedd_an/TestRunner_rfcomm-tester |
success
|
TestRunner PASS
|
tedd_an/TestRunner_sco-tester |
success
|
TestRunner PASS
|
tedd_an/TestRunner_ioctl-tester |
success
|
TestRunner PASS
|
tedd_an/TestRunner_mesh-tester |
success
|
TestRunner PASS
|
tedd_an/TestRunner_smp-tester |
success
|
TestRunner PASS
|
tedd_an/TestRunner_userchan-tester |
success
|
TestRunner PASS
|
tedd_an/IncrementalBuild |
success
|
Incremental Build PASS
|
@@ -268,9 +268,10 @@ int qca_send_pre_shutdown_cmd(struct hci_dev *hdev)
}
EXPORT_SYMBOL_GPL(qca_send_pre_shutdown_cmd);
-static void qca_tlv_check_data(struct hci_dev *hdev,
+static int qca_tlv_check_data(struct hci_dev *hdev,
struct qca_fw_config *config,
- u8 *fw_data, enum qca_btsoc_type soc_type)
+ u8 *fw_data, size_t fw_size,
+ enum qca_btsoc_type soc_type)
{
const u8 *data;
u32 type_len;
@@ -286,6 +287,9 @@ static void qca_tlv_check_data(struct hci_dev *hdev,
switch (config->type) {
case ELF_TYPE_PATCH:
+ if (fw_size < 7)
+ return -EINVAL;
+
config->dnld_mode = QCA_SKIP_EVT_VSE_CC;
config->dnld_type = QCA_SKIP_EVT_VSE_CC;
@@ -294,6 +298,9 @@ static void qca_tlv_check_data(struct hci_dev *hdev,
bt_dev_dbg(hdev, "File version : 0x%x", fw_data[6]);
break;
case TLV_TYPE_PATCH:
+ if (fw_size < sizeof(struct tlv_type_hdr) + sizeof(struct tlv_type_patch))
+ return -EINVAL;
+
tlv = (struct tlv_type_hdr *)fw_data;
type_len = le32_to_cpu(tlv->type_len);
tlv_patch = (struct tlv_type_patch *)tlv->data;
@@ -333,6 +340,9 @@ static void qca_tlv_check_data(struct hci_dev *hdev,
break;
case TLV_TYPE_NVM:
+ if (fw_size < sizeof(struct tlv_type_hdr))
+ return -EINVAL;
+
tlv = (struct tlv_type_hdr *)fw_data;
type_len = le32_to_cpu(tlv->type_len);
@@ -341,17 +351,26 @@ static void qca_tlv_check_data(struct hci_dev *hdev,
BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff);
BT_DBG("Length\t\t : %d bytes", length);
+ if (fw_size < length + (tlv->data - fw_data))
+ return -EINVAL;
+
idx = 0;
data = tlv->data;
- while (idx < length) {
+ while (idx < length - sizeof(struct tlv_type_nvm)) {
tlv_nvm = (struct tlv_type_nvm *)(data + idx);
tag_id = le16_to_cpu(tlv_nvm->tag_id);
tag_len = le16_to_cpu(tlv_nvm->tag_len);
+ if (length < idx + sizeof(struct tlv_type_nvm) + tag_len)
+ return -EINVAL;
+
/* Update NVM tags as needed */
switch (tag_id) {
case EDL_TAG_ID_HCI:
+ if (tag_len < 3)
+ return -EINVAL;
+
/* HCI transport layer parameters
* enabling software inband sleep
* onto controller side.
@@ -367,6 +386,9 @@ static void qca_tlv_check_data(struct hci_dev *hdev,
break;
case EDL_TAG_ID_DEEP_SLEEP:
+ if (tag_len < 1)
+ return -EINVAL;
+
/* Sleep enable mask
* enabling deep sleep feature on controller.
*/
@@ -375,14 +397,16 @@ static void qca_tlv_check_data(struct hci_dev *hdev,
break;
}
- idx += (sizeof(u16) + sizeof(u16) + 8 + tag_len);
+ idx += sizeof(struct tlv_type_nvm) + tag_len;
}
break;
default:
BT_ERR("Unknown TLV type %d", config->type);
- break;
+ return -EINVAL;
}
+
+ return 0;
}
static int qca_tlv_send_segment(struct hci_dev *hdev, int seg_size,
@@ -532,7 +556,9 @@ static int qca_download_firmware(struct hci_dev *hdev,
memcpy(data, fw->data, size);
release_firmware(fw);
- qca_tlv_check_data(hdev, config, data, soc_type);
+ ret = qca_tlv_check_data(hdev, config, data, size, soc_type);
+ if (ret)
+ return ret;
segment = data;
remain = size;
Add the missing sanity checks when parsing the firmware files before downloading them to avoid accessing and corrupting memory beyond the vmalloced buffer. Fixes: 83e81961ff7e ("Bluetooth: btqca: Introduce generic QCA ROME support") Cc: stable@vger.kernel.org # 4.10 Signed-off-by: Johan Hovold <johan+linaro@kernel.org> --- drivers/bluetooth/btqca.c | 38 ++++++++++++++++++++++++++++++++------ 1 file changed, 32 insertions(+), 6 deletions(-)