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Merge tag 'lsm-pr-20240923' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm

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Pull LSM fixes from Paul Moore:

 - Add a missing security_mmap_file() check to the remap_file_pages()
   syscall

 - Properly reference the SELinux and Smack LSM blobs in the
   security_watch_key() LSM hook

 - Fix a random IPE selftest crash caused by a missing list terminator
   in the test

* tag 'lsm-pr-20240923' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/lsm:
  ipe: Add missing terminator to list of unit tests
  selinux,smack: properly reference the LSM blob in security_watch_key()
  mm: call the security_mmap_file() LSM hook in remap_file_pages()
This commit is contained in:
Linus Torvalds
2024-09-24 10:18:15 -07:00
parent abf2050f51 f89722faa3
commit 5c36498d06
4 changed files with 9 additions and 11 deletions
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13
security/smack/smack_lsm.c
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@@ -4629,16 +4629,9 @@ static int smack_watch_key(struct key *key)
{
struct smk_audit_info ad;
struct smack_known *tkp = smk_of_current();
struct smack_known **blob = smack_key(key);
int rc;
if (key == NULL)
return -EINVAL;
/*
* If the key hasn't been initialized give it access so that
* it may do so.
*/
if (key->security == NULL)
return 0;
/*
* This should not occur
*/
@@ -4653,8 +4646,8 @@ static int smack_watch_key(struct key *key)
ad.a.u.key_struct.key = key->serial;
ad.a.u.key_struct.key_desc = key->description;
#endif
rc = smk_access(tkp, key->security, MAY_READ, &ad);
rc = smk_bu_note("key watch", tkp, key->security, MAY_READ, rc);
rc = smk_access(tkp, *blob, MAY_READ, &ad);
rc = smk_bu_note("key watch", tkp, *blob, MAY_READ, rc);
return rc;
}
#endif /* CONFIG_KEY_NOTIFICATIONS */