rxrpc: Downgrade the BUG() for unsupported token type in rxrpc_read()
[ Upstream commit5.4-rM2-2.2.x-imx-squashed9a059cd5ca
] 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:99455153d0
("RxRPC: Parse security index 5 keys (Kerberos 5)") Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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7e1f39b5c1
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422f5c5d3e
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@ -1108,7 +1108,8 @@ static long rxrpc_read(const struct key *key,
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break;
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default: /* we have a ticket we can't encode */
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BUG();
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pr_err("Unsupported key token type (%u)\n",
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token->security_index);
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continue;
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}
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@ -1224,7 +1225,6 @@ static long rxrpc_read(const struct key *key,
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break;
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default:
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BUG();
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break;
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}
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