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kernel: fix policydb length

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weishu
2023-02-14 14:41:00 +07:00
parent acc37fb387
commit f9b3218ded
1 changed files with 2 additions and 3 deletions
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5
kernel/selinux/sepolicy.c
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@@ -128,14 +128,13 @@ static struct avtab_node *get_avtab_node(struct policydb *db,
/* this is used to get the node - insertion is actually unique */ /* this is used to get the node - insertion is actually unique */
node = avtab_insert_nonunique(&db->te_avtab, key, &avdatum); node = avtab_insert_nonunique(&db->te_avtab, key, &avdatum);
int grow_size = sizeof(u16) * 4; int grow_size = sizeof(struct avtab_key);
grow_size += sizeof(struct avtab_datum);
if (key->specified & AVTAB_XPERMS) { if (key->specified & AVTAB_XPERMS) {
grow_size += sizeof(u8); grow_size += sizeof(u8);
grow_size += sizeof(u8); grow_size += sizeof(u8);
grow_size += sizeof(u32) * grow_size += sizeof(u32) *
ARRAY_SIZE(avdatum.u.xperms->perms.p); ARRAY_SIZE(avdatum.u.xperms->perms.p);
} else {
grow_size += sizeof(u32) * 1;
} }
db->len += grow_size; db->len += grow_size;
} }