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and the |
.i __spare |
field of the |
.i struct keyctl_kdf_params |
provided in the |
.i arg5 |
argument contains nonzero values. |
.tp |
.b ekeyexpired |
an expired key was found or specified. |
.tp |
.b ekeyrejected |
a rejected key was found or specified. |
.tp |
.b ekeyrevoked |
a revoked key was found or specified. |
.tp |
.b eloop |
.i operation |
was |
.br keyctl_link |
and the requested link would cause the maximum nesting depth |
for keyrings to be exceeded. |
.tp |
.b emsgsize |
.i operation |
was |
.b keyctl_dh_compute |
and the buffer length exceeds |
.b keyctl_kdf_max_output_len |
(which is 1024 currently) |
or the |
.i otherinfolen |
field of the |
.i struct keyctl_kdf_parms |
passed in |
.i arg5 |
exceeds |
.b keyctl_kdf_max_oi_len |
(which is 64 currently). |
.tp |
.br enfile " (linux kernels before 3.13)" |
.ir operation |
was |
.br keyctl_link |
and the keyring is full. |
(before linux 3.13, |
.\" commit b2a4df200d570b2c33a57e1ebfa5896e4bc81b69 |
the available space for storing keyring links was limited to |
a single page of memory; since linux 3.13, there is no fixed limit.) |
.tp |
.b enoent |
.i operation |
was |
.b keyctl_unlink |
and the key to be unlinked isn't linked to the keyring. |
.tp |
.b enoent |
.i operation |
was |
.b keyctl_dh_compute |
and the hashing algorithm specified in the |
.i hashname |
field of the |
.i struct keyctl_kdf_params |
pointed by |
.i arg5 |
argument hasn't been found. |
.tp |
.b enoent |
.i operation |
was |
.b keyctl_restrict_keyring |
and the type provided in |
.i arg3 |
argument doesn't support setting key linking restrictions. |
.tp |
.b enokey |
no matching key was found or an invalid key was specified. |
.tp |
.b enokey |
the value |
.b keyctl_get_keyring_id |
was specified in |
.ir operation , |
the key specified in |
.i arg2 |
did not exist, and |
.i arg3 |
was zero (meaning don't create the key if it didn't exist). |
.tp |
.b enomem |
one of kernel memory allocation routines failed during the execution of the |
syscall. |
.tp |
.b enotdir |
a key of keyring type was expected but the id of a key with |
a different type was provided. |
.tp |
.b eopnotsupp |
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