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authorDan Williams <dan.j.williams@intel.com>2020-06-24 07:35:26 +0300
committerDan Williams <dan.j.williams@intel.com>2020-07-09 03:08:01 +0300
commit813357fead4adee73f7eca6bbe0e69dfcf514dc6 (patch)
tree6d652420c90b6f34d052fa6b752316a54d1428bc /drivers/nvdimm
parent48778464bb7d346b47157d21ffde2af6b2d39110 (diff)
downloadlinux-813357fead4adee73f7eca6bbe0e69dfcf514dc6.tar.xz
libnvdimm/security: Fix key lookup permissions
As of commit 8c0637e950d6 ("keys: Make the KEY_NEED_* perms an enum rather than a mask") lookup_user_key() needs an explicit declaration of what it wants to do with the key. Add KEY_NEED_SEARCH to fix a warning with the below signature, and fixes the inability to retrieve a key. WARNING: CPU: 15 PID: 6276 at security/keys/permission.c:35 key_task_permission+0xd3/0x140 [..] RIP: 0010:key_task_permission+0xd3/0x140 [..] Call Trace: lookup_user_key+0xeb/0x6b0 ? vsscanf+0x3df/0x840 ? key_validate+0x50/0x50 ? key_default_cmp+0x20/0x20 nvdimm_get_user_key_payload.part.0+0x21/0x110 [libnvdimm] nvdimm_security_store+0x67d/0xb20 [libnvdimm] security_store+0x67/0x1a0 [libnvdimm] kernfs_fop_write+0xcf/0x1c0 vfs_write+0xde/0x1d0 ksys_write+0x68/0xe0 do_syscall_64+0x5c/0xa0 entry_SYSCALL_64_after_hwframe+0x49/0xb3 Fixes: 8c0637e950d6 ("keys: Make the KEY_NEED_* perms an enum rather than a mask") Suggested-by: David Howells <dhowells@redhat.com> Reviewed-by: Dave Jiang <dave.jiang@intel.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Vishal Verma <vishal.l.verma@intel.com> Cc: Dave Jiang <dave.jiang@intel.com> Cc: Ira Weiny <ira.weiny@intel.com> Link: https://lore.kernel.org/r/159297332630.1304143.237026690015653759.stgit@dwillia2-desk3.amr.corp.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/nvdimm')
-rw-r--r--drivers/nvdimm/security.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/nvdimm/security.c b/drivers/nvdimm/security.c
index 89b85970912d..4cef69bd3c1b 100644
--- a/drivers/nvdimm/security.c
+++ b/drivers/nvdimm/security.c
@@ -95,7 +95,7 @@ static struct key *nvdimm_lookup_user_key(struct nvdimm *nvdimm,
struct encrypted_key_payload *epayload;
struct device *dev = &nvdimm->dev;
- keyref = lookup_user_key(id, 0, 0);
+ keyref = lookup_user_key(id, 0, KEY_NEED_SEARCH);
if (IS_ERR(keyref))
return NULL;