system/qemu
system/qemu
1
0
Fork 0
mirror of https://gitlab.com/qemu-project/qemu synced 2024-11-05 20:35:44 +00:00
Code Issues Projects Releases Packages Wiki Activity

scsi: initialise info object with appropriate size

Browse source 
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 <luodalongde@gmail.com>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Message-Id: <alpine.LFD.2.20.1512211501420.22471@wniryva>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: P J P <ppandit@redhat.com>
This commit is contained in:
P J P 2015-12-21 15:13:13 +05:30 committed by Paolo Bonzini
parent 4c1396cb57
commit 36fef36b91
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
hw/scsi/megasas.c
View file

@ -718,7 +718,7 @@ static int megasas_ctrl_get_info(MegasasState *s, MegasasCmd *cmd)
BusChild *kid; BusChild *kid;
int num_pd_disks = 0; int num_pd_disks = 0;
memset(&info, 0x0, cmd->iov_size); memset(&info, 0x0, dcmd_size);
if (cmd->iov_size < dcmd_size) { if (cmd->iov_size < dcmd_size) {
trace_megasas_dcmd_invalid_xfer_len(cmd->index, cmd->iov_size, trace_megasas_dcmd_invalid_xfer_len(cmd->index, cmd->iov_size,
dcmd_size); dcmd_size);