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authorDavid Howells <dhowells@redhat.com>2020-09-08 22:09:04 +0100
committerDavid Howells <dhowells@redhat.com>2020-10-05 16:33:37 +0100
commit9a059cd5ca7d9c5c4ca5a6e755cf72f230176b6a (patch)
tree10d74c09539ed93ee542ead429e44f1509e34f00 /net
parent56305118e05b2db8d0395bba640ac9a3aee92624 (diff)
rxrpc: Downgrade the BUG() for unsupported token type in rxrpc_read()
If rxrpc_read() (which allows KEYCTL_READ to read a key), sees a token of a type it doesn't recognise, it can BUG in a couple of places, which is unnecessary as it can easily get back to userspace. Fix this to print an error message instead. Fixes: 99455153d067 ("RxRPC: Parse security index 5 keys (Kerberos 5)") Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'net')
-rw-r--r--net/rxrpc/key.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/rxrpc/key.c b/net/rxrpc/key.c
index 8f7d7a6187db..c668e4b7dbff 100644
--- a/net/rxrpc/key.c
+++ b/net/rxrpc/key.c
@@ -1107,7 +1107,8 @@ static long rxrpc_read(const struct key *key,
break;
default: /* we have a ticket we can't encode */
- BUG();
+ pr_err("Unsupported key token type (%u)\n",
+ token->security_index);
continue;
}
@@ -1223,7 +1224,6 @@ static long rxrpc_read(const struct key *key,
break;
default:
- BUG();
break;
}