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SubjectRe: [PATCH 1/2] dccp: ccid: move timers to struct dccp_sock
On Tue, 13 Oct 2020 19:18:48 +0200 Kleber Sacilotto de Souza wrote:
> From: Thadeu Lima de Souza Cascardo <>
> When dccps_hc_tx_ccid is freed, ccid timers may still trigger. The reason
> del_timer_sync can't be used is because this relies on keeping a reference
> to struct sock. But as we keep a pointer to dccps_hc_tx_ccid and free that
> during disconnect, the timer should really belong to struct dccp_sock.
> This addresses CVE-2020-16119.
> Fixes: 839a6094140a (net: dccp: Convert timers to use timer_setup())

Presumably you chose this commit because the fix won't apply beyond it?
But it really fixes 2677d2067731 (dccp: don't free.. right?

> Signed-off-by: Thadeu Lima de Souza Cascardo <>
> Signed-off-by: Kleber Sacilotto de Souza <>

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