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Differential D55873

ifnet: Fix decreasing the vnet interface count
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Authored by zlei on Mar 16 2026, 3:44 AM.
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kp
pouria
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network
Commits
rG2265cf938ec3: ifnet: Fix decreasing the vnet interface count
rG47339e4a9209: ifnet: Fix decreasing the vnet interface count
rG1b7687f053af: ifnet: Fix decreasing the vnet interface count
rG8065ff63c0e5: ifnet: Fix decreasing the vnet interface count
Summary

It should be decreased only when the interface has been successfully
removed from the "active" list.

This prevents vnet_if_return() from potential OOB writes to the
allocated memory "pending".

Fixes: a779388f8bb3 if: Protect V_ifnet in vnet_if_return()
MFC after: 3 days

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rG FreeBSD src repository
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sys/
net/
6 lines

Diff 173753

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sys/net/if.c

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