diff options
| author | Prasad J Pandit <pjp@fedoraproject.org> | 2016-05-25 16:01:29 +0530 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2016-05-29 09:11:10 +0200 |
| commit | 1b85898025c4cd95dce673d15e67e60e98e91731 (patch) | |
| tree | 46a332a36be75dca822a5097f3305dc1bc4ec944 /hw/scsi/megasas.c | |
| parent | 06630554ccbdd25780aa03c3548aaff1eb56dffd (diff) | |
scsi: megasas: use appropriate property buffer size
When setting MegaRAID SAS controller properties via MegaRAID
Firmware Interface(MFI) commands, a user supplied size parameter
is used to set property value. Use appropriate size value to avoid
OOB access issues.
Reported-by: Li Qiang <liqiang6-s@360.cn>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Message-Id: <1464172291-2856-2-git-send-email-ppandit@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/scsi/megasas.c')
| -rw-r--r-- | hw/scsi/megasas.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c index a63a581550..dcbd3e1f24 100644 --- a/hw/scsi/megasas.c +++ b/hw/scsi/megasas.c @@ -1446,7 +1446,7 @@ static int megasas_dcmd_set_properties(MegasasState *s, MegasasCmd *cmd) dcmd_size); return MFI_STAT_INVALID_PARAMETER; } - dma_buf_write((uint8_t *)&info, cmd->iov_size, &cmd->qsg); + dma_buf_write((uint8_t *)&info, dcmd_size, &cmd->qsg); trace_megasas_dcmd_unsupported(cmd->index, cmd->iov_size); return MFI_STAT_OK; } |