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Signed-off-by: yeyuning <yeyuning2@huawei.com>
Change-Id: I56b612316f3d63e16dee0b1303aa312ded86f8ad
This commit is contained in:
yeyuning
2024-07-26 20:26:01 +08:00
parent 31854cff3e
commit 963c2a2298
1 changed files with 9 additions and 7 deletions
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code_sign/code_sign_ext.c
+9 -7
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@@ -25,9 +25,11 @@ static inline int check_code_sign_descriptor(const struct inode *inode,
if (!desc->cs_version)
return 0;
if (desc->__reserved1 ||
memchr_inv(desc->__reserved2, 0, sizeof(desc->__reserved2)))
if (le64_to_cpu(desc->pgtypeinfo_off) > le64_to_cpu(desc->data_size) - le32_to_cpu(desc->pgtypeinfo_size)) {
code_sign_log_error("Wrong offset: %llu (pgtypeinfo_off) > %llu (data_size) - %u (pgtypeinfo_size)",
le64_to_cpu(desc->pgtypeinfo_off), le64_to_cpu(desc->data_size), le32_to_cpu(desc->pgtypeinfo_size));
return -EINVAL;
}
if (le64_to_cpu(desc->data_size) > inode->i_size) {
code_sign_log_error("Wrong data_size: %llu (desc) > %lld (inode)",
@@ -67,11 +69,11 @@ void code_sign_before_measurement(void *_desc, int *ret)
{
struct code_sign_descriptor *desc = CAST_CODE_SIGN_DESC(_desc);
if (desc->cs_version) {
// replace version with cs_version
desc->version = desc->cs_version;
if (desc->cs_version == 1) {
desc->cs_version = 0;
*ret = desc->version;
*ret = desc->cs_version;
} else {
*ret = desc->cs_version;
}
}
@@ -79,7 +81,7 @@ void code_sign_after_measurement(void *_desc, int version)
{
struct code_sign_descriptor *desc = CAST_CODE_SIGN_DESC(_desc);
if (version) {
if (version == 1) {
// restore cs_version
desc->cs_version = desc->version;
desc->version = version;