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Wakko Warner <wakko@animx.eu.org> wrote:
>
> Andrew Morton wrote:
> > Subject: Double free of initramfs
>
> Is there a patch to fix this? I've noticed a solid lockup when trying to
> umount initramfs after a pivot_root.
Nope, but there's a design:
Begin forwarded message:
Date: Wed, 16 Mar 2005 18:49:32 +0000
From: Ralf Baechle <ralf@linux-mips.org>
To: linux-arch@vger
Subject: Double free of initramfs
In all linker scripts we currently have something like this:
__init_begin = .;
...
. = ALIGN(4096);
__initramfs_start = .;
.init.ramfs : { *(.init.ramfs) }
__initramfs_end = .;
...
__init_end = .;
It seems all 25 linker scripts in the current bk tree are suffering from
this. Which mean with CONFIG_BLK_DEV_INITRD enabled first free_initrd_mem
may be called to free the initram disk and just a little later
free_initmem will try to free the entire range again, so either the
linker scripts would need fixing or free_initrd_mem has become obsolete.
Ralf
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