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authorPrasad J Pandit <pjp@fedoraproject.org>2016-06-07 16:44:03 +0530
committerPaolo Bonzini <pbonzini@redhat.com>2016-06-07 14:09:05 +0200
commit844864fbae66935951529408831c2f22367a57b6 (patch)
tree66baf9a29ae51a612322c404e62ab5ac3d7e5169 /hw/scsi
parent6214a11ac167b1e866c04a81360286d186f04d82 (diff)
downloadqemu-844864fbae66935951529408831c2f22367a57b6.zip
scsi: megasas: null terminate bios version buffer
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>
Diffstat (limited to 'hw/scsi')
-rw-r--r--hw/scsi/megasas.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c
index cc66d36186..a9ffc32682 100644
--- a/hw/scsi/megasas.c
+++ b/hw/scsi/megasas.c
@@ -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));