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14 lines
344 B
Diff
14 lines
344 B
Diff
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
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index 9c80212..05cfee7 100644
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--- a/net/packet/af_packet.c
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+++ b/net/packet/af_packet.c
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@@ -3314,6 +3314,8 @@
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return -EBUSY;
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if (copy_from_user(&val, optval, sizeof(val)))
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return -EFAULT;
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+ if (val > INT_MAX)
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+ return -EINVAL;
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po->tp_reserve = val;
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return 0;
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}
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