Commit graph

4 commits

Author SHA1 Message Date
Jorge E. Moreira
c8cff01c36 Specify prctl's policy only once per device
The libminijail version in AOSP complains when there are multiple entries for
the same system call, which was the case for virtio-fs's policy.

BUG=b/185811304

Change-Id: I389c07c86e7d79f16e4f47a893abad598033352a
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/2837307
Commit-Queue: Jorge Moreira Broche <jemoreira@google.com>
Tested-by: Jorge Moreira Broche <jemoreira@google.com>
Reviewed-by: Dylan Reid <dgreid@chromium.org>
2021-04-20 22:50:20 +00:00
Chirantan Ekbote
a00991cd84 Replace dup with fcntl(F_DUPFD_CLOEXEC)
Fds created via dup don't share file descriptor flags with the original
fd, which means that they don't have the FD_CLOEXEC flag set.  Use
fcntl(F_DUPFD_CLOEXEC) so that this flag gets set for the duplicated fds
as well.

BUG=none
TEST=unit tests

Change-Id: Ib471cf40acac1eacf72969ba45247f50b349ed58
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/2809687
Tested-by: kokoro <noreply+kokoro@google.com>
Commit-Queue: Chirantan Ekbote <chirantan@chromium.org>
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
Reviewed-by: Zach Reizner <zachr@chromium.org>
2021-04-15 10:34:04 +00:00
Matt Delco
8488a0bbbb seccomp: remove redundant unconditional arm/arm64 rules
Minijail's policy compiler complains when there's multiple
unconditional rules for a syscall.  In most cases the rules
are redundant to common_device.policy.

BUG=None
TEST=Ran compile_seccomp_policy.py until it stopped
complaining.

Change-Id: Ic43d1fd13f9c012641d71e526942229eb8b08ed4
Signed-off-by: Matt Delco <delco@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/2034024
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Dylan Reid <dgreid@chromium.org>
2020-02-04 23:27:21 +00:00
Stephen Boyd
cef1079c20 seccomp: Add initial arm64 seccomp filters
BUG=chromium:1029666
TEST=tast run crostini.LaunchTerminal.download_buster

Change-Id: I8fa7dc9df4d5f0144aed80fcd60307036fc7e16d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/1946765
Reviewed-by: Stephen Barber <smbarber@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Tested-by: Stephen Barber <smbarber@chromium.org>
Commit-Queue: Stephen Barber <smbarber@chromium.org>
2019-12-06 19:06:34 +00:00