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| author |   David Howells <dhowells@redhat.com> | 2019-05-22 14:06:51 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2019-05-22 14:06:51 +0100 |
| commit | 2e21865faf4fd7ca99eb2ace072c6d618059e342 (patch) | |
| tree | cb05e816e95bc4785b7c601b2f33d3ad6396e1fc /kernel/cred.c | |
| parent | Linux 5.2-rc1 (diff) | |
| download | wireguard-linux-2e21865faf4fd7ca99eb2ace072c6d618059e342.tar.xz wireguard-linux-2e21865faf4fd7ca99eb2ace072c6d618059e342.zip | |
keys: sparse: Fix key_fs[ug]id_changed()
Sparse warnings are incurred by key_fs[ug]id_changed() due to unprotected
accesses of tsk->cred, which is marked __rcu.
Fix this by passing the new cred struct to these functions from
commit_creds() rather than the task pointer.
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: James Morris <jamorris@linux.microsoft.com>
Diffstat (limited to 'kernel/cred.c')
| -rw-r--r-- | kernel/cred.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/cred.c b/kernel/cred.c index 45d77284aed0..3bd40de9e192 100644 --- a/kernel/cred.c +++ b/kernel/cred.c @@ -455,9 +455,9 @@ int commit_creds(struct cred *new) /* alter the thread keyring */ if (!uid_eq(new->fsuid, old->fsuid)) - key_fsuid_changed(task); + key_fsuid_changed(new); if (!gid_eq(new->fsgid, old->fsgid)) - key_fsgid_changed(task); + key_fsgid_changed(new); /* do it * RLIMIT_NPROC limits on user->processes have already been checked |