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| author | Scott Mayhew <smayhew@redhat.com> | 2020-04-03 00:20:44 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-04-17 17:13:43 +0300 |
| commit | 86c3caa710ebc5ff7bd75491c3ba10c786d74d2d (patch) | |
| tree | 90656a7db3ac0955eec1422936b4072ff358371f /fs/nfs | |
| parent | ca9273fea3693b500b09721b315ab0f1046340e8 (diff) | |
| download | linux-86c3caa710ebc5ff7bd75491c3ba10c786d74d2d.tar.xz | |
NFS: Fix a few constant_table array definitions
commit 529af90576cfa44aa107e9876e2ebaa053983986 upstream.
nfs_vers_tokens, nfs_xprt_protocol_tokens, and nfs_secflavor_tokens were
all missing an empty item at the end of the array, allowing
lookup_constant() to potentially walk off the end and trigger and oops.
Reported-by: Olga Kornievskaia <aglo@umich.edu>
Signed-off-by: Scott Mayhew <smayhew@redhat.com>
Fixes: e38bb238ed8c ("NFS: Convert mount option parsing to use functionality from fs_parser.h")
Cc: stable@vger.kernel.org # v5.6
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/fs_context.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/nfs/fs_context.c b/fs/nfs/fs_context.c index e113fcb4bb4c..1c8d8bedf34e 100644 --- a/fs/nfs/fs_context.c +++ b/fs/nfs/fs_context.c @@ -190,6 +190,7 @@ static const struct constant_table nfs_vers_tokens[] = { { "4.0", Opt_vers_4_0 }, { "4.1", Opt_vers_4_1 }, { "4.2", Opt_vers_4_2 }, + {} }; enum { @@ -202,13 +203,14 @@ enum { nr__Opt_xprt }; -static const struct constant_table nfs_xprt_protocol_tokens[nr__Opt_xprt] = { +static const struct constant_table nfs_xprt_protocol_tokens[] = { { "rdma", Opt_xprt_rdma }, { "rdma6", Opt_xprt_rdma6 }, { "tcp", Opt_xprt_tcp }, { "tcp6", Opt_xprt_tcp6 }, { "udp", Opt_xprt_udp }, { "udp6", Opt_xprt_udp6 }, + {} }; enum { @@ -239,6 +241,7 @@ static const struct constant_table nfs_secflavor_tokens[] = { { "spkm3i", Opt_sec_spkmi }, { "spkm3p", Opt_sec_spkmp }, { "sys", Opt_sec_sys }, + {} }; /* |