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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 /include/linux/key.h | |
| parent | a188339ca5a396acc588e5851ed7e19f66b0ebd9 (diff) | |
| download | linux-2e21865faf4fd7ca99eb2ace072c6d618059e342.tar.gz linux-2e21865faf4fd7ca99eb2ace072c6d618059e342.tar.bz2 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 'include/linux/key.h')
| -rw-r--r-- | include/linux/key.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/key.h b/include/linux/key.h index 7099985e35a9..1f09aad1c98c 100644 --- a/include/linux/key.h +++ b/include/linux/key.h @@ -402,8 +402,8 @@ extern struct ctl_table key_sysctls[]; * the userspace interface */ extern int install_thread_keyring_to_cred(struct cred *cred); -extern void key_fsuid_changed(struct task_struct *tsk); -extern void key_fsgid_changed(struct task_struct *tsk); +extern void key_fsuid_changed(struct cred *new_cred); +extern void key_fsgid_changed(struct cred *new_cred); extern void key_init(void); #else /* CONFIG_KEYS */ @@ -418,8 +418,8 @@ extern void key_init(void); #define make_key_ref(k, p) NULL #define key_ref_to_ptr(k) NULL #define is_key_possessed(k) 0 -#define key_fsuid_changed(t) do { } while(0) -#define key_fsgid_changed(t) do { } while(0) +#define key_fsuid_changed(c) do { } while(0) +#define key_fsgid_changed(c) do { } while(0) #define key_init() do { } while(0) #endif /* CONFIG_KEYS */ |