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Groups > linux.kernel > #1571522
| From | Al Viro <viro@ZenIV.linux.org.uk> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2] initramfs: finish fput() before accessing any binary from initramfs |
| Date | 2017-02-01 13:30 +0100 |
| Message-ID | <t62cX-5Vf-53@gated-at.bofh.it> (permalink) |
| References | <t31ZL-bN-15@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue, Jan 24, 2017 at 11:06:36AM +0530, Lokesh Vutla wrote:
> commit 4a9d4b024a31 ("switch fput to task_work_add") implements a
> schedule_work() for completing fput(), but did not guarantee calling
> __fput() after unpacking initramfs. Because of this, there is a
> possibility that during boot a driver can see ETXTBSY when it tries
> to load a binary from initramfs as fput() is still pending on that
> binary. This patch makes sure that fput() is completed after unpacking
> initramfs.
Umm... Do we want it done in kernel_init(), then? I have no objections
against calling it in populate_rootfs(), and it looks like a sane place
for that, but I wonder if the old callsite would remain needed after that...
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Re: [PATCH v2] initramfs: finish fput() before accessing any binary from initramfs Al Viro <viro@ZenIV.linux.org.uk> - 2017-02-01 13:30 +0100 Re: [PATCH v2] initramfs: finish fput() before accessing any binary from initramfs Lokesh Vutla <lokeshvutla@ti.com> - 2017-02-01 14:50 +0100
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