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scsi: mptsas: use g_new0 to allocate MPTSASRequest object

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When processing IO request in mptsas, it uses g_new to allocate
a 'req' object. If an error occurs before 'req->sreq' is
allocated, It could lead to an OOB write in mptsas_free_request
function. Use g_new0 to avoid it.

Reported-by: Li Qiang <liqiang6-s@360.cn>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Message-Id: <1473684251-17476-1-git-send-email-ppandit@redhat.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Li Qiang 2016-09-12 18:14:11 +05:30 committed by Paolo Bonzini
parent 2a2d69f490
commit 670e56d3ed
1 changed files with 1 additions and 1 deletions
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2
hw/scsi/mptsas.c
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@ -304,7 +304,7 @@ static int mptsas_process_scsi_io_request(MPTSASState *s,
goto bad;
}
req = g_new(MPTSASRequest, 1);
req = g_new0(MPTSASRequest, 1);
QTAILQ_INSERT_TAIL(&s->pending, req, next);
req->scsi_io = *scsi_io;
req->dev = s;