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Ran 03 Jun 2025 02:45AM UTC

Files 1916

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Committed 02 Jun 2025 10:47PM UTC coverage: 72.041% (+0.01%) from 72.029%

Job # 15405431222.1

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push

github

Committed by

web-flow

Commit Message

network: fix a potential divide-by-zero (#37705)

In function `tc_init`, hz is parsed from the content of file
`"/proc/net/psched"` and can be 0.
In function `hierarchy_token_bucket_class_verify`, hz is directly used
as a divisor in
`htb->buffer = htb->rate / hz + htb->mtu;` without any check. This adds a check on hz before using it as a divisor.

Co-authored-by: jinyaoguo <guo846@purdue.edu>

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