diff options
| author | David Howells <dhowells@redhat.com> | 2020-09-08 22:09:04 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-10-14 10:31:26 +0200 |
| commit | 4a0b2759c739422af74d0ebbeb77595e79806aad (patch) | |
| tree | 057ebf6570e7da2063d2d36a741c2ac921d11792 | |
| parent | 5de841c5ac1e0cdb1ed40b5ec0b7e1b965da9c8b (diff) | |
| download | linux-stable-4a0b2759c739422af74d0ebbeb77595e79806aad.tar.gz linux-stable-4a0b2759c739422af74d0ebbeb77595e79806aad.tar.bz2 linux-stable-4a0b2759c739422af74d0ebbeb77595e79806aad.zip | |
rxrpc: Downgrade the BUG() for unsupported token type in rxrpc_read()
[ Upstream commit 9a059cd5ca7d9c5c4ca5a6e755cf72f230176b6a ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | net/rxrpc/key.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/rxrpc/key.c b/net/rxrpc/key.c index fead67b42a99..1fe203c56faf 100644 --- a/net/rxrpc/key.c +++ b/net/rxrpc/key.c @@ -1110,7 +1110,8 @@ 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; } @@ -1226,7 +1227,6 @@ static long rxrpc_read(const struct key *key, break; default: - BUG(); break; } |