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[Qemu-devel] [PATCH 1/3] scsi: megasas: use appropriate property buffer
From: |
P J P |
Subject: |
[Qemu-devel] [PATCH 1/3] scsi: megasas: use appropriate property buffer size |
Date: |
Wed, 25 May 2016 16:01:29 +0530 |
From: Prasad J Pandit <address@hidden>
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 <address@hidden>
Signed-off-by: Prasad J Pandit <address@hidden>
---
hw/scsi/megasas.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c
index a63a581..dcbd3e1 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;
}
--
2.5.5
[Qemu-devel] [PATCH 2/3] scsi: megasas: initialise local configuration data buffer, P J P, 2016/05/25
[Qemu-devel] [PATCH 3/3] scsi: megasas: check 'read_queue_head' index value, P J P, 2016/05/25