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SELinux: ss: Fix policy write for ioctl operations

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Security server omits the type field when writing out the contents of the
avtab from /sys/fs/selinux/policy. This leads to a corrupt output. No impact
on the running kernel or its loaded policy. Impacts CTS neverallow tests.

Bug: 20665861
Change-Id: I657e18013dd5a1f40052bc2b02dd8e0afee9bcfb
Signed-off-by: Jeff Vander Stoep <jeffv@google.com>
This commit is contained in:
Jeff Vander Stoep
2015-04-29 11:14:23 -07:00
parent 1bc0c2460f
commit 8cdfb356b5
1 changed files with 3 additions and 0 deletions
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3
security/selinux/ss/avtab.c
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@@ -565,6 +565,9 @@ int avtab_write_item(struct policydb *p, struct avtab_node *cur, void *fp)
return rc;
if (cur->key.specified & AVTAB_OP) {
rc = put_entry(&cur->datum.u.ops->type, sizeof(u8), 1, fp);
if (rc)
return rc;
for (i = 0; i < ARRAY_SIZE(cur->datum.u.ops->op.perms); i++)
buf32[i] = cpu_to_le32(cur->datum.u.ops->op.perms[i]);
rc = put_entry(buf32, sizeof(u32),