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Red Hat Bugzilla – Attachment 294751 Details for
Bug 430662
backport hptiop driver updates from upstream kernel
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[patch]
hptiop: avoid buffer overflow when returning sense data
hptiop-avoid-buffer-overflow-when-returning-sense-data.patch (text/plain), 769 bytes, created by
HighPoint Linux Team
on 2008-02-13 06:13:25 UTC
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Description:
hptiop: avoid buffer overflow when returning sense data
Filename:
MIME Type:
Creator:
HighPoint Linux Team
Created:
2008-02-13 06:13:25 UTC
Size:
769 bytes
patch
obsolete
>avoid buffer overflow when returning sense data. > >new adapter firmware may return sense data larger than 96 bytes, causing >overflow on scp->sense_buffer and a kernel crash. > >This fix should be backported to earlier kernels. > >--- a/drivers/scsi/hptiop.c 2008-01-29 19:15:42.000000000 +0800 >+++ b/drivers/scsi/hptiop.c 2008-02-13 13:35:28.000000000 +0800 >@@ -378,8 +380,9 @@ static void hptiop_host_request_callback > scp->result = SAM_STAT_CHECK_CONDITION; > memset(&scp->sense_buffer, > 0, sizeof(scp->sense_buffer)); >- memcpy(&scp->sense_buffer, >- &req->sg_list, le32_to_cpu(req->dataxfer_length)); >+ memcpy(&scp->sense_buffer, &req->sg_list, >+ min_t(size_t, sizeof(scp->sense_buffer), >+ le32_to_cpu(req->dataxfer_length))); > break; > > default:
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