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4 commits

Author SHA1 Message Date
Yunlian Jiang
31c20fdcce crosvm: add getpid and prlimit to seccomp 
This is needed to make sure seccomp work with glibc 2.27

BUG=chromium:897477
TEST=None

Change-Id: I101aa07bffd8db2b449be1a697dafcd7d6f1cb58
Reviewed-on: https://chromium-review.googlesource.com/1294729
Commit-Ready: Yunlian Jiang <yunlian@chromium.org>
Tested-by: Yunlian Jiang <yunlian@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
 2018-10-23 02:55:29 -07:00
Yunlian Jiang
a70445aa3b crosvm: add openat to seccomp 
This adds openat to a seccomp policy file if open is already there.
We need this because glibc 2.25 changed it system call for open().

BUG=chromium:894614
TEST=None

Change-Id: Ie5b45d858e8d9ea081fd7bfda81709bda048d965
Reviewed-on: https://chromium-review.googlesource.com/1292129
Commit-Ready: Yunlian Jiang <yunlian@chromium.org>
Tested-by: Yunlian Jiang <yunlian@chromium.org>
Reviewed-by: Manoj Gupta <manojgupta@chromium.org>
 2018-10-21 05:25:01 -07:00
Chirantan Ekbote
0a4f280e3a seccomp: Update 9p policy 
Add newfstatat for x86 and fstatat64 for arm to the seccomp policy file
for the 9p device and server program.

BUG=chromium:886535
TEST=`vmc share termina foo` and then `ls /mnt/shared` inside the VM
     works

Change-Id: I6871f54ae885e080dca0ea5751987d59c55a59d6
Signed-off-by: Chirantan Ekbote <chirantan@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1232556
Reviewed-by: Stephen Barber <smbarber@chromium.org>
 2018-09-21 19:50:12 -07:00
Chirantan Ekbote
a79073ad7d 9s: Server binary for the 9p file system 
Add the 9s crate, which provides an executable that can serve the 9p
file system protocol.  It initially only supports connections over vsock
but can easily be extended to support network and unix domain socket
based connections.

BUG=chromium:703939
TEST=Run the server, have maitred connect to it over vsock, mount the
     9p file system in the guest kernel, share it with the penguin
     container, and run `bonnie++ -r 256 -s 512`
CQ-DEPEND=CL:1121550, CL:1166446

Change-Id: Ia0c72bcf29188bba4c07b6c0a2dd5a83d02339b5
Signed-off-by: Chirantan Ekbote <chirantan@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1112870
Reviewed-by: Dylan Reid <dgreid@chromium.org>
 2018-08-08 13:45:41 -07:00