Re: use of ccache 4.14 can result in a defect in the FreeBSD kernel

Reply: void : "Re: use of ccache 4.14 can result in a defect in the FreeBSD kernel"
In reply to: Alexander Leidinger : "Re: use of ccache 4.14 can result in a defect in the FreeBSD kernel"
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From: Alexander Leidinger <Alexander_at_Leidinger.net>
Date: Mon, 02 Nov 2026 10:21:27 UTC

Am 2026-11-02 10:42, schrieb Alexander Leidinger:

> Am 2026-11-02 08:35, schrieb Alexander Leidinger:
> 
>> Userland programs segfault. Basically you get an unusable system at 
>> boot time.
> 
> And now with a bit more time to explain...
> 
> The problem is a ccache bug, not a FreeBSD bug. ccache 4.14 can return 
> a stale vDSO when it builds a FreeBSD kernel, and the kernel then 
> crashes userland processes that use signals. A fresh objdir or a clean 
> rebuild doesn't fix it.

https://github.com/ccache/ccache/issues/1843

Bye,
Alexander.

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