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path: root/fs/nfsd/nfs4proc.c
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Diffstat (limited to 'fs/nfsd/nfs4proc.c')
-rw-r--r--fs/nfsd/nfs4proc.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 71d735b125a0..b207c76a873f 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -1022,8 +1022,9 @@ nfsd4_write(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
unsigned long cnt;
int nvecs;
- if (write->wr_offset >= OFFSET_MAX)
- return nfserr_inval;
+ if (write->wr_offset > (u64)OFFSET_MAX ||
+ write->wr_offset + write->wr_buflen > (u64)OFFSET_MAX)
+ return nfserr_fbig;
cnt = write->wr_buflen;
trace_nfsd_write_start(rqstp, &cstate->current_fh,