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scsi: megasas: null terminate bios version buffer

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While reading information via 'megasas_ctrl_get_info' routine,
a local bios version buffer isn't null terminated. Add the
terminating null byte to avoid any OOB access.

Reported-by: Li Qiang <liqiang6-s@360.cn>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Prasad J Pandit
2016-06-07 14:09:05 +02:00
committed by Paolo Bonzini
parent 6214a11ac1
commit 844864fbae
1 changed files with 1 additions and 0 deletions
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hw/scsi/megasas.c
+1
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@@ -773,6 +773,7 @@ static int megasas_ctrl_get_info(MegasasState *s, MegasasCmd *cmd)
ptr = memory_region_get_ram_ptr(&pci_dev->rom);
memcpy(biosver, ptr + 0x41, 31);
biosver[31] = 0;
memcpy(info.image_component[1].name, "BIOS", 4);
memcpy(info.image_component[1].version, biosver,
strlen((const char *)biosver));