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| author | James Ettle <james@ettle.org.uk> | 2018-01-28 20:34:16 +0000 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2018-03-19 16:38:12 -0400 |
| commit | 90a9b1473df72a8b356e7ad6c9b9c9608927b103 (patch) | |
| tree | f93591d97a95bcfc206d8cdc2691a7cfc36a2040 | |
| parent | 68ef3bc3166468678d5e1fdd216628c35bd1186f (diff) | |
| download | linux-90a9b1473df72a8b356e7ad6c9b9c9608927b103.tar.gz linux-90a9b1473df72a8b356e7ad6c9b9c9608927b103.tar.bz2 linux-90a9b1473df72a8b356e7ad6c9b9c9608927b103.zip | |
sunrpc: Fix unaligned access on sparc64
Fix unaligned access in gss_{get,verify}_mic_v2() on sparc64
Signed-off-by: James Ettle <james@ettle.org.uk>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
| -rw-r--r-- | net/sunrpc/auth_gss/gss_krb5_seal.c | 5 | ||||
| -rw-r--r-- | net/sunrpc/auth_gss/gss_krb5_unseal.c | 4 |
2 files changed, 7 insertions, 2 deletions
diff --git a/net/sunrpc/auth_gss/gss_krb5_seal.c b/net/sunrpc/auth_gss/gss_krb5_seal.c index 1d74d653e6c0..94a2b3f082a8 100644 --- a/net/sunrpc/auth_gss/gss_krb5_seal.c +++ b/net/sunrpc/auth_gss/gss_krb5_seal.c @@ -177,6 +177,7 @@ gss_get_mic_v2(struct krb5_ctx *ctx, struct xdr_buf *text, u64 seq_send; u8 *cksumkey; unsigned int cksum_usage; + __be64 seq_send_be64; dprintk("RPC: %s\n", __func__); @@ -187,7 +188,9 @@ gss_get_mic_v2(struct krb5_ctx *ctx, struct xdr_buf *text, spin_lock(&krb5_seq_lock); seq_send = ctx->seq_send64++; spin_unlock(&krb5_seq_lock); - *((__be64 *)(krb5_hdr + 8)) = cpu_to_be64(seq_send); + + seq_send_be64 = cpu_to_be64(seq_send); + memcpy(krb5_hdr + 8, (char *) &seq_send_be64, 8); if (ctx->initiate) { cksumkey = ctx->initiator_sign; diff --git a/net/sunrpc/auth_gss/gss_krb5_unseal.c b/net/sunrpc/auth_gss/gss_krb5_unseal.c index dcf9515d9aef..b601a73cc9db 100644 --- a/net/sunrpc/auth_gss/gss_krb5_unseal.c +++ b/net/sunrpc/auth_gss/gss_krb5_unseal.c @@ -155,10 +155,12 @@ gss_verify_mic_v2(struct krb5_ctx *ctx, u8 flags; int i; unsigned int cksum_usage; + __be16 be16_ptr; dprintk("RPC: %s\n", __func__); - if (be16_to_cpu(*((__be16 *)ptr)) != KG2_TOK_MIC) + memcpy(&be16_ptr, (char *) ptr, 2); + if (be16_to_cpu(be16_ptr) != KG2_TOK_MIC) return GSS_S_DEFECTIVE_TOKEN; flags = ptr[2]; |