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scsi: initialise info object with appropriate size

While processing controller 'CTRL_GET_INFO' command, the routine
'megasas_ctrl_get_info' overflows the '&info' object size. Use its
appropriate size to null initialise it.

Reported-by: Qinghao Tang <>
Signed-off-by: Prasad J Pandit <>
Message-Id: <alpine.LFD.2.20.1512211501420.22471@wniryva>
Signed-off-by: Paolo Bonzini <>
Signed-off-by: P J P <>
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P J P authored and bonzini committed Dec 21, 2015
1 parent 4c1396c commit 36fef36b91f7ec0435215860f1458b5342ce2811
Showing with 1 addition and 1 deletion.
  1. +1 −1 hw/scsi/megasas.c
@@ -718,7 +718,7 @@ static int megasas_ctrl_get_info(MegasasState *s, MegasasCmd *cmd)
BusChild *kid;
int num_pd_disks = 0;

memset(&info, 0x0, cmd->iov_size);
memset(&info, 0x0, dcmd_size);
if (cmd->iov_size < dcmd_size) {
trace_megasas_dcmd_invalid_xfer_len(cmd->index, cmd->iov_size,

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