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Bug#1111455: [bp@imp.ch: Bug#1111455: linux-image-6.12.41+deb13-amd64: kernel BUG at fs/netfs/read_collect.c:316 netfs: Can't donate prior to front]



On Mon, 18 Aug 2025 15:18:14 +0200 Benoit Panizzon
<benoit.panizzon@imp.ch> wrote:
[...]
> I suspect it could be a problem affecting only that specific CPU
indeed
> hitting an invalid opcode.
[...]

I don't think that's what's happening.  The kernel intentionally has an
invalid instruction on each assertion failure path, because this is
smaller than a subroutine call and saves more CPU state.

Ben.

-- 
Ben Hutchings
Time is nature's way of making sure that
everything doesn't happen at once.


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