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Re: [PATCH 23/24] vhost-user-fs: Implement drop CAP_FSETID functionality
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From: |
Stefan Hajnoczi |
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Subject: |
Re: [PATCH 23/24] vhost-user-fs: Implement drop CAP_FSETID functionality |
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Date: |
Thu, 11 Feb 2021 14:35:42 +0000 |
On Tue, Feb 09, 2021 at 07:02:23PM +0000, Dr. David Alan Gilbert (git) wrote:
> From: Vivek Goyal <vgoyal@redhat.com>
>
> As part of slave_io message, slave can ask to do I/O on an fd. Additionally
> slave can ask for dropping CAP_FSETID (if master has it) before doing I/O.
> Implement functionality to drop CAP_FSETID and gain it back after the
> operation.
>
> This also creates a dependency on libcap-ng.
Is this patch only for the case where QEMU is running as root?
I'm not sure it will have any effect on a regular QEMU (e.g. launched by
libvirt).
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- [PATCH 18/24] DAX/unmap virtiofsd: Parse unmappable elements, (continued)
- [PATCH 18/24] DAX/unmap virtiofsd: Parse unmappable elements, Dr. David Alan Gilbert (git), 2021/02/09
- [PATCH 17/24] DAX/unmap virtiofsd: Add wrappers for VHOST_USER_SLAVE_FS_IO, Dr. David Alan Gilbert (git), 2021/02/09
- [PATCH 20/24] DAX/unmap virtiofsd: route unmappable write to slave command, Dr. David Alan Gilbert (git), 2021/02/09
- [PATCH 21/24] DAX:virtiofsd: implement FUSE_INIT map_alignment field, Dr. David Alan Gilbert (git), 2021/02/09
- [PATCH 22/24] vhost-user-fs: Extend VhostUserFSSlaveMsg to pass additional info, Dr. David Alan Gilbert (git), 2021/02/09
- [PATCH 16/24] DAX/unmap: virtiofsd: Add VHOST_USER_SLAVE_FS_IO, Dr. David Alan Gilbert (git), 2021/02/09
- [PATCH 23/24] vhost-user-fs: Implement drop CAP_FSETID functionality, Dr. David Alan Gilbert (git), 2021/02/09
- Re: [PATCH 23/24] vhost-user-fs: Implement drop CAP_FSETID functionality,
Stefan Hajnoczi <=
[PATCH 24/24] virtiofsd: Ask qemu to drop CAP_FSETID if client asked for it, Dr. David Alan Gilbert (git), 2021/02/09