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receive_spill does not byte swap spill contents

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In zfs receive, the function receive_spill should account
for spill block endian conversion as a defensive measure.
 
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tom Caputi <tcaputi@datto.com>
Signed-off-by: Paul Zuchowski <pzuchowski@datto.com>
Closes #7300
This commit is contained in:
Paul Zuchowski 2018-03-15 13:29:51 -04:00 committed by Brian Behlendorf
parent de4f8d5d26
commit 1a2342784a
1 changed files with 9 additions and 0 deletions
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9
module/zfs/dmu_send.c
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@ -2977,6 +2977,15 @@ receive_spill(struct receive_writer_arg *rwa, struct drr_spill *drrs,
if (db_spill->db_size < drrs->drr_length)
VERIFY(0 == dbuf_spill_set_blksz(db_spill,
drrs->drr_length, tx));
if (rwa->byteswap && !arc_is_encrypted(abuf) &&
arc_get_compression(abuf) == ZIO_COMPRESS_OFF) {
dmu_object_byteswap_t byteswap =
DMU_OT_BYTESWAP(drrs->drr_type);
dmu_ot_byteswap[byteswap].ob_func(abuf->b_data,
DRR_SPILL_PAYLOAD_SIZE(drrs));
}
dbuf_assign_arcbuf((dmu_buf_impl_t *)db_spill, abuf, tx);
dmu_buf_rele(db, FTAG);