Re: [PATCH net-next 1/3] tcp_bic: fix divide by zero on max_increment == 0
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From: Eric Dumazet <hidden>
Date: 2026-09-30 11:23:09
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On Wed, Sep 30, 2026 at 12:10 PM Jiayuan Chen [off-list ref] wrote:
max_increment is how many packets cwnd can grow per RTT, so 0 makes
no sense, and bictcp_update() divides by it.
Reject values below 1 when the parameter is written.
Fixes: 83803034f423 ("[TCP]: Add TCP BIC congestion control module.")
Reported-by: VEGA <redacted>
Signed-off-by: Jiayuan Chen <jiayuan.chen@linux.dev>Reviewed-by: Eric Dumazet <edumazet@kernel.org>