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| author | J. Bruce Fields <bfields@redhat.com> | 2012-02-13 22:56:19 +0100 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2012-02-14 23:01:58 +0100 |
| commit | bf5c43c8f155e755b0fc3dfa76f9f8c6e2c0161f (patch) | |
| tree | 6c36ab623d4f5cb2ce9606ffa3f1dd53b3550848 /fs/nfsd/state.h | |
| parent | nfsd4: rearrange struct nfsd4_slot (diff) | |
| download | linux-bf5c43c8f155e755b0fc3dfa76f9f8c6e2c0161f.tar.xz linux-bf5c43c8f155e755b0fc3dfa76f9f8c6e2c0161f.zip | |
nfsd4: check for uninitialized slot
This fixes an oops when a buggy client tries to use an initial seqid of
0 on a new slot, which we may misinterpret as a replay.
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/state.h')
| -rw-r--r-- | fs/nfsd/state.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h index 122217fe9155..d8f52a0f4988 100644 --- a/fs/nfsd/state.h +++ b/fs/nfsd/state.h @@ -134,6 +134,7 @@ struct nfsd4_slot { u16 sl_opcnt; #define NFSD4_SLOT_INUSE (1 << 0) #define NFSD4_SLOT_CACHETHIS (1 << 1) +#define NFSD4_SLOT_INITIALIZED (1 << 2) u8 sl_flags; char sl_data[]; }; |