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[Qemu-devel] [Bug 1581308] Re: ohci doesn't check the 'num-ports' proper
From: |
thh |
Subject: |
[Qemu-devel] [Bug 1581308] Re: ohci doesn't check the 'num-ports' property |
Date: |
Mon, 23 May 2016 17:19:47 -0000 |
The fix has been included in the repository:
http://git.qemu.org/?p=qemu.git;a=commitdiff;h=d400fc018b326104d26
Thanks for reporting the issue!
** Changed in: qemu
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1581308
Title:
ohci doesn't check the 'num-ports' property
Status in QEMU:
Fix Released
Bug description:
command:
qemu-system-x86_64 -m 1024 -enable-kvm /root/centos6.img -enable-kvm -device
pci-ohci,num-ports=100,masterbus=1
The ohci doesn't check the 'num-ports' property and would case an out-
of-bands write,crash the qemu process.
ohci->num_ports = num_ports;
if (masterbus) {
USBPort *ports[OHCI_MAX_PORTS];
for(i = 0; i < num_ports; i++) {
ports[i] = &ohci->rhport[i].port;
}
The version of qemu is 2.6.0 release from
http://wiki.qemu-project.org/download/qemu-2.6.0.tar.bz2
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