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| /openbmc/linux/drivers/net/usb/ |
| H A D | usbnet.c | diff 280ceaed79f18db930c0cc8bb21f6493490bf29c Thu Sep 19 03:23:08 CDT 2019 Oliver Neukum <oneukum@suse.com> usbnet: sanity checking of packet sizes and device mtu
After a reset packet sizes and device mtu can change and need
to be reevaluated to calculate queue sizes.
Malicious devices can set this to zero and we divide by it.
Introduce sanity checking.
Reported-and-tested-by: syzbot+6102c120be558c885f04@syzkaller.appspotmail.com
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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