mirror of
https://github.com/Divested-Mobile/DivestOS-Build.git
synced 2024-10-01 01:35:54 -04:00
14 lines
475 B
Diff
14 lines
475 B
Diff
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diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
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index 86b3e2f..9c80212 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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@@ -3820,6 +3820,8 @@
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rb->frames_per_block = req->tp_block_size/req->tp_frame_size;
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if (unlikely(rb->frames_per_block <= 0))
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goto out;
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+ if (unlikely(req->tp_block_size > UINT_MAX / req->tp_block_nr))
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+ goto out;
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if (unlikely((rb->frames_per_block * req->tp_block_nr) !=
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req->tp_frame_nr))
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goto out;
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