Re: [PATCH] reduce large stack usage

Arnd Bergmann (
Sun, 2 Mar 2003 18:14:48 +0100

On Sunday 02 March 2003 16:38, Anders Gustafsson wrote:

> I'm also seeing crashes when unpacking the initramfs if I enlarge it so it
> takes more than a few (32kb) windows. I get crashes in a copy_from_user
> deep down the callchain when it is doing the sys_write to a file in ramfs.

That's slightly different from what I am experiencing on s390x. Here,
I get a panic 'length error' after initramfs is unzipped. It always
seems like one byte less is counted than actually is inside the
OTOH, the result of a stack overflow is usually undefined, so it might
also be this problem.

Arnd <><
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