[PATCH] stmmac_pci: Fix underflow size in stmmac_rx

[patchwork-bot+netdevbpf at kernel.org]

Hello:

This patch was applied to netdev/net.git (master)
by David S. Miller <davem at davemloft.net>:

On Thu, 18 Nov 2021 16:42:47 -0500 you wrote:
> This bug report came up when we were testing the device driver
> by fuzzing. It shows that buf1_len can get underflowed and be
> 0xfffffffc (4294967292).
> 
> This bug is triggerable with a compromised/malfunctioning device.
> We found the bug through QEMU emulation tested the patch with
> emulation. We did NOT test it on real hardware.
> 
> [...]

Here is the summary with links:
  - stmmac_pci: Fix underflow size in stmmac_rx
    https://git.kernel.org/netdev/net/c/0f296e782f21

You are awesome, thank you!
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