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| author | Eduardo Otubo <otubo@redhat.com> | 2017-03-13 22:18:51 +0100 |
|---|---|---|
| committer | Eduardo Otubo <otubo@redhat.com> | 2017-09-15 10:15:06 +0200 |
| commit | 24f8cdc5722476e12d8e39d71f66311b4fa971c1 (patch) | |
| tree | 46fd71cfaaa2c1632bfce0d683941c15c84970f1 /qemu-seccomp.c | |
| parent | 995a226f880b807e05240e8752d6ce65679775be (diff) | |
seccomp: add resourcecontrol argument to command line
This patch adds [,resourcecontrol=deny] to `-sandbox on' option. It
blacklists all process affinity and scheduler priority system calls to
avoid any bigger of the process.
Signed-off-by: Eduardo Otubo <otubo@redhat.com>
Diffstat (limited to 'qemu-seccomp.c')
| -rw-r--r-- | qemu-seccomp.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/qemu-seccomp.c b/qemu-seccomp.c index f3878a5e29..b770a77d33 100644 --- a/qemu-seccomp.c +++ b/qemu-seccomp.c @@ -82,6 +82,17 @@ static const struct QemuSeccompSyscall blacklist[] = { { SCMP_SYS(fork), QEMU_SECCOMP_SET_SPAWN }, { SCMP_SYS(vfork), QEMU_SECCOMP_SET_SPAWN }, { SCMP_SYS(execve), QEMU_SECCOMP_SET_SPAWN }, + /* resource control */ + { SCMP_SYS(getpriority), QEMU_SECCOMP_SET_RESOURCECTL }, + { SCMP_SYS(setpriority), QEMU_SECCOMP_SET_RESOURCECTL }, + { SCMP_SYS(sched_setparam), QEMU_SECCOMP_SET_RESOURCECTL }, + { SCMP_SYS(sched_getparam), QEMU_SECCOMP_SET_RESOURCECTL }, + { SCMP_SYS(sched_setscheduler), QEMU_SECCOMP_SET_RESOURCECTL }, + { SCMP_SYS(sched_getscheduler), QEMU_SECCOMP_SET_RESOURCECTL }, + { SCMP_SYS(sched_setaffinity), QEMU_SECCOMP_SET_RESOURCECTL }, + { SCMP_SYS(sched_getaffinity), QEMU_SECCOMP_SET_RESOURCECTL }, + { SCMP_SYS(sched_get_priority_max), QEMU_SECCOMP_SET_RESOURCECTL }, + { SCMP_SYS(sched_get_priority_min), QEMU_SECCOMP_SET_RESOURCECTL }, }; |