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Re: [Qemu-devel] [PATCH 1/7] 9pfs: restrict open to regular files and di
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From: |
Eric Blake |
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Subject: |
Re: [Qemu-devel] [PATCH 1/7] 9pfs: restrict open to regular files and directories |
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Date: |
Tue, 10 Jan 2017 08:41:23 -0600 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.6.0 |
On 01/10/2017 08:38 AM, Eric Blake wrote:
> I think you need to rework this patch to open() first, then validate
> (closing the fd if necessary); the open can be done with O_NONBLOCK to
> avoid hanging on a pipe.
And O_NOCTTY to avoid becoming the controlling process of a terminal.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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- [Qemu-devel] [PATCH 0/7] fix potential hangs in 9pfs, Greg Kurz, 2017/01/10
- [Qemu-devel] [PATCH 1/7] 9pfs: restrict open to regular files and directories, Greg Kurz, 2017/01/10
- [Qemu-devel] [PATCH 2/7] tests: virtio-9p: improve error reporting, Greg Kurz, 2017/01/10
- [Qemu-devel] [PATCH 3/7] tests: virtio-9p: add LOPEN operation test, Greg Kurz, 2017/01/10
- [Qemu-devel] [PATCH 4/7] tests: virtio-9p: TLOPEN should fail to open a FIFO, Greg Kurz, 2017/01/10
- [Qemu-devel] [PATCH 5/7] 9pfs: don't create files if pathname already exists, Greg Kurz, 2017/01/10
- [Qemu-devel] [PATCH 6/7] tests: virtio-9p: add LCREATE operation test, Greg Kurz, 2017/01/10
- [Qemu-devel] [PATCH 7/7] tests: virtio-9p: TLCREATE should fail if pathname exists, Greg Kurz, 2017/01/10