* [Qemu-devel] [PULL 00/06] seccomp branch queue
@ 2017-09-15 8:41 Eduardo Otubo
2017-09-15 8:41 ` [Qemu-devel] [PULL 01/06] seccomp: changing from whitelist to blacklist Eduardo Otubo
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: Eduardo Otubo @ 2017-09-15 8:41 UTC (permalink / raw)
To: qemu-devel; +Cc: Peter Maydell, Fam Zheng, Thomas Huth, Daniel P . Berrange
The following changes since commit 3dabde1128b671f36ac6cb36b97b273139964420:
Merge remote-tracking branch 'remotes/dgilbert/tags/pull-hmp-20170914' into staging (2017-09-14 16:33:02 +0100)
are available in the git repository at:
https://github.com/otubo/qemu.git tags/pull-seccomp-20170915
for you to fetch changes up to c3883e1f935bf11ef0d2b8157b0022ace3d0e77d:
buildsys: Move seccomp cflags/libs to per object (2017-09-15 10:16:05 +0200)
----------------------------------------------------------------
pull-seccomp-20170915
----------------------------------------------------------------
Eduardo Otubo (5):
seccomp: changing from whitelist to blacklist
seccomp: add obsolete argument to command line
seccomp: add elevateprivileges argument to command line
seccomp: add spawn argument to command line
seccomp: add resourcecontrol argument to command line
Fam Zheng (1):
buildsys: Move seccomp cflags/libs to per object
Makefile.objs | 2 +
configure | 6 +-
include/sysemu/seccomp.h | 8 +-
qemu-options.hx | 26 +++-
qemu-seccomp.c | 303 +++++++++++------------------------------------
vl.c | 84 ++++++++++++-
6 files changed, 190 insertions(+), 239 deletions(-)
--
2.13.5
^ permalink raw reply [flat|nested] 8+ messages in thread* [Qemu-devel] [PULL 01/06] seccomp: changing from whitelist to blacklist 2017-09-15 8:41 [Qemu-devel] [PULL 00/06] seccomp branch queue Eduardo Otubo @ 2017-09-15 8:41 ` Eduardo Otubo 2017-09-15 8:41 ` [Qemu-devel] [PULL 02/06] seccomp: add obsolete argument to command line Eduardo Otubo ` (5 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: Eduardo Otubo @ 2017-09-15 8:41 UTC (permalink / raw) To: qemu-devel; +Cc: Peter Maydell, Fam Zheng, Thomas Huth, Daniel P . Berrange This patch changes the default behavior of the seccomp filter from whitelist to blacklist. By default now all system calls are allowed and a small black list of definitely forbidden ones was created. Signed-off-by: Eduardo Otubo <otubo@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Daniel P. Berrange <berrange@redhat.com> --- include/sysemu/seccomp.h | 2 + qemu-seccomp.c | 260 +++++------------------------------------------ vl.c | 1 - 3 files changed, 30 insertions(+), 233 deletions(-) diff --git a/include/sysemu/seccomp.h b/include/sysemu/seccomp.h index cfc06008cb..23b9c3c789 100644 --- a/include/sysemu/seccomp.h +++ b/include/sysemu/seccomp.h @@ -15,6 +15,8 @@ #ifndef QEMU_SECCOMP_H #define QEMU_SECCOMP_H +#define QEMU_SECCOMP_SET_DEFAULT (1 << 0) + #include <seccomp.h> int seccomp_start(void); diff --git a/qemu-seccomp.c b/qemu-seccomp.c index df75d9c471..f66613fc71 100644 --- a/qemu-seccomp.c +++ b/qemu-seccomp.c @@ -28,232 +28,33 @@ struct QemuSeccompSyscall { int32_t num; - uint8_t priority; + uint8_t set; }; -static const struct QemuSeccompSyscall seccomp_whitelist[] = { - { SCMP_SYS(timer_settime), 255 }, - { SCMP_SYS(timer_gettime), 254 }, - { SCMP_SYS(futex), 253 }, - { SCMP_SYS(select), 252 }, - { SCMP_SYS(recvfrom), 251 }, - { SCMP_SYS(sendto), 250 }, - { SCMP_SYS(socketcall), 250 }, - { SCMP_SYS(read), 249 }, - { SCMP_SYS(io_submit), 249 }, - { SCMP_SYS(brk), 248 }, - { SCMP_SYS(clone), 247 }, - { SCMP_SYS(mmap), 247 }, - { SCMP_SYS(mprotect), 246 }, - { SCMP_SYS(execve), 245 }, - { SCMP_SYS(open), 245 }, - { SCMP_SYS(ioctl), 245 }, - { SCMP_SYS(socket), 245 }, - { SCMP_SYS(setsockopt), 245 }, - { SCMP_SYS(recvmsg), 245 }, - { SCMP_SYS(sendmsg), 245 }, - { SCMP_SYS(accept), 245 }, - { SCMP_SYS(connect), 245 }, - { SCMP_SYS(socketpair), 245 }, - { SCMP_SYS(bind), 245 }, - { SCMP_SYS(listen), 245 }, - { SCMP_SYS(semget), 245 }, - { SCMP_SYS(ipc), 245 }, - { SCMP_SYS(gettimeofday), 245 }, - { SCMP_SYS(readlink), 245 }, - { SCMP_SYS(access), 245 }, - { SCMP_SYS(prctl), 245 }, - { SCMP_SYS(signalfd), 245 }, - { SCMP_SYS(getrlimit), 245 }, - { SCMP_SYS(getrusage), 245 }, - { SCMP_SYS(set_tid_address), 245 }, - { SCMP_SYS(statfs), 245 }, - { SCMP_SYS(unlink), 245 }, - { SCMP_SYS(wait4), 245 }, - { SCMP_SYS(fcntl64), 245 }, - { SCMP_SYS(fstat64), 245 }, - { SCMP_SYS(stat64), 245 }, - { SCMP_SYS(getgid32), 245 }, - { SCMP_SYS(getegid32), 245 }, - { SCMP_SYS(getuid32), 245 }, - { SCMP_SYS(geteuid32), 245 }, - { SCMP_SYS(sigreturn), 245 }, - { SCMP_SYS(_newselect), 245 }, - { SCMP_SYS(_llseek), 245 }, - { SCMP_SYS(mmap2), 245 }, - { SCMP_SYS(sigprocmask), 245 }, - { SCMP_SYS(sched_getparam), 245 }, - { SCMP_SYS(sched_getscheduler), 245 }, - { SCMP_SYS(fstat), 245 }, - { SCMP_SYS(clock_getres), 245 }, - { SCMP_SYS(sched_get_priority_min), 245 }, - { SCMP_SYS(sched_get_priority_max), 245 }, - { SCMP_SYS(stat), 245 }, - { SCMP_SYS(uname), 245 }, - { SCMP_SYS(eventfd2), 245 }, - { SCMP_SYS(io_getevents), 245 }, - { SCMP_SYS(dup), 245 }, - { SCMP_SYS(dup2), 245 }, - { SCMP_SYS(dup3), 245 }, - { SCMP_SYS(gettid), 245 }, - { SCMP_SYS(getgid), 245 }, - { SCMP_SYS(getegid), 245 }, - { SCMP_SYS(getuid), 245 }, - { SCMP_SYS(geteuid), 245 }, - { SCMP_SYS(timer_create), 245 }, - { SCMP_SYS(times), 245 }, - { SCMP_SYS(exit), 245 }, - { SCMP_SYS(clock_gettime), 245 }, - { SCMP_SYS(time), 245 }, - { SCMP_SYS(restart_syscall), 245 }, - { SCMP_SYS(pwrite64), 245 }, - { SCMP_SYS(nanosleep), 245 }, - { SCMP_SYS(chown), 245 }, - { SCMP_SYS(openat), 245 }, - { SCMP_SYS(getdents), 245 }, - { SCMP_SYS(timer_delete), 245 }, - { SCMP_SYS(exit_group), 245 }, - { SCMP_SYS(rt_sigreturn), 245 }, - { SCMP_SYS(sync), 245 }, - { SCMP_SYS(pread64), 245 }, - { SCMP_SYS(madvise), 245 }, - { SCMP_SYS(set_robust_list), 245 }, - { SCMP_SYS(lseek), 245 }, - { SCMP_SYS(pselect6), 245 }, - { SCMP_SYS(fork), 245 }, - { SCMP_SYS(rt_sigprocmask), 245 }, - { SCMP_SYS(write), 244 }, - { SCMP_SYS(fcntl), 243 }, - { SCMP_SYS(tgkill), 242 }, - { SCMP_SYS(kill), 242 }, - { SCMP_SYS(rt_sigaction), 242 }, - { SCMP_SYS(pipe2), 242 }, - { SCMP_SYS(munmap), 242 }, - { SCMP_SYS(mremap), 242 }, - { SCMP_SYS(fdatasync), 242 }, - { SCMP_SYS(close), 242 }, - { SCMP_SYS(rt_sigpending), 242 }, - { SCMP_SYS(rt_sigtimedwait), 242 }, - { SCMP_SYS(readv), 242 }, - { SCMP_SYS(writev), 242 }, - { SCMP_SYS(preadv), 242 }, - { SCMP_SYS(pwritev), 242 }, - { SCMP_SYS(setrlimit), 242 }, - { SCMP_SYS(ftruncate), 242 }, - { SCMP_SYS(lstat), 242 }, - { SCMP_SYS(pipe), 242 }, - { SCMP_SYS(umask), 242 }, - { SCMP_SYS(chdir), 242 }, - { SCMP_SYS(setitimer), 242 }, - { SCMP_SYS(setsid), 242 }, - { SCMP_SYS(poll), 242 }, - { SCMP_SYS(epoll_create), 242 }, - { SCMP_SYS(epoll_ctl), 242 }, - { SCMP_SYS(epoll_wait), 242 }, - { SCMP_SYS(waitpid), 242 }, - { SCMP_SYS(getsockname), 242 }, - { SCMP_SYS(getpeername), 242 }, - { SCMP_SYS(accept4), 242 }, - { SCMP_SYS(timerfd_settime), 242 }, - { SCMP_SYS(newfstatat), 241 }, - { SCMP_SYS(shutdown), 241 }, - { SCMP_SYS(getsockopt), 241 }, - { SCMP_SYS(semop), 241 }, - { SCMP_SYS(semtimedop), 241 }, - { SCMP_SYS(epoll_ctl_old), 241 }, - { SCMP_SYS(epoll_wait_old), 241 }, - { SCMP_SYS(epoll_pwait), 241 }, - { SCMP_SYS(epoll_create1), 241 }, - { SCMP_SYS(ppoll), 241 }, - { SCMP_SYS(creat), 241 }, - { SCMP_SYS(link), 241 }, - { SCMP_SYS(getpid), 241 }, - { SCMP_SYS(getppid), 241 }, - { SCMP_SYS(getpgrp), 241 }, - { SCMP_SYS(getpgid), 241 }, - { SCMP_SYS(getsid), 241 }, - { SCMP_SYS(getdents64), 241 }, - { SCMP_SYS(getresuid), 241 }, - { SCMP_SYS(getresgid), 241 }, - { SCMP_SYS(getgroups), 241 }, - { SCMP_SYS(getresuid32), 241 }, - { SCMP_SYS(getresgid32), 241 }, - { SCMP_SYS(getgroups32), 241 }, - { SCMP_SYS(signal), 241 }, - { SCMP_SYS(sigaction), 241 }, - { SCMP_SYS(sigsuspend), 241 }, - { SCMP_SYS(sigpending), 241 }, - { SCMP_SYS(truncate64), 241 }, - { SCMP_SYS(ftruncate64), 241 }, - { SCMP_SYS(fchown32), 241 }, - { SCMP_SYS(chown32), 241 }, - { SCMP_SYS(lchown32), 241 }, - { SCMP_SYS(statfs64), 241 }, - { SCMP_SYS(fstatfs64), 241 }, - { SCMP_SYS(fstatat64), 241 }, - { SCMP_SYS(lstat64), 241 }, - { SCMP_SYS(sendfile64), 241 }, - { SCMP_SYS(ugetrlimit), 241 }, - { SCMP_SYS(alarm), 241 }, - { SCMP_SYS(rt_sigsuspend), 241 }, - { SCMP_SYS(rt_sigqueueinfo), 241 }, - { SCMP_SYS(rt_tgsigqueueinfo), 241 }, - { SCMP_SYS(sigaltstack), 241 }, - { SCMP_SYS(signalfd4), 241 }, - { SCMP_SYS(truncate), 241 }, - { SCMP_SYS(fchown), 241 }, - { SCMP_SYS(lchown), 241 }, - { SCMP_SYS(fchownat), 241 }, - { SCMP_SYS(fstatfs), 241 }, - { SCMP_SYS(getitimer), 241 }, - { SCMP_SYS(syncfs), 241 }, - { SCMP_SYS(fsync), 241 }, - { SCMP_SYS(fchdir), 241 }, - { SCMP_SYS(msync), 241 }, - { SCMP_SYS(sched_setparam), 241 }, - { SCMP_SYS(sched_setscheduler), 241 }, - { SCMP_SYS(sched_yield), 241 }, - { SCMP_SYS(sched_rr_get_interval), 241 }, - { SCMP_SYS(sched_setaffinity), 241 }, - { SCMP_SYS(sched_getaffinity), 241 }, - { SCMP_SYS(readahead), 241 }, - { SCMP_SYS(timer_getoverrun), 241 }, - { SCMP_SYS(unlinkat), 241 }, - { SCMP_SYS(readlinkat), 241 }, - { SCMP_SYS(faccessat), 241 }, - { SCMP_SYS(get_robust_list), 241 }, - { SCMP_SYS(splice), 241 }, - { SCMP_SYS(vmsplice), 241 }, - { SCMP_SYS(getcpu), 241 }, - { SCMP_SYS(sendmmsg), 241 }, - { SCMP_SYS(recvmmsg), 241 }, - { SCMP_SYS(prlimit64), 241 }, - { SCMP_SYS(waitid), 241 }, - { SCMP_SYS(io_cancel), 241 }, - { SCMP_SYS(io_setup), 241 }, - { SCMP_SYS(io_destroy), 241 }, - { SCMP_SYS(arch_prctl), 240 }, - { SCMP_SYS(mkdir), 240 }, - { SCMP_SYS(fchmod), 240 }, - { SCMP_SYS(shmget), 240 }, - { SCMP_SYS(shmat), 240 }, - { SCMP_SYS(shmdt), 240 }, - { SCMP_SYS(timerfd_create), 240 }, - { SCMP_SYS(shmctl), 240 }, - { SCMP_SYS(mlockall), 240 }, - { SCMP_SYS(mlock), 240 }, - { SCMP_SYS(munlock), 240 }, - { SCMP_SYS(semctl), 240 }, - { SCMP_SYS(fallocate), 240 }, - { SCMP_SYS(fadvise64), 240 }, - { SCMP_SYS(inotify_init1), 240 }, - { SCMP_SYS(inotify_add_watch), 240 }, - { SCMP_SYS(mbind), 240 }, - { SCMP_SYS(memfd_create), 240 }, -#ifdef HAVE_CACHEFLUSH - { SCMP_SYS(cacheflush), 240 }, -#endif - { SCMP_SYS(sysinfo), 240 }, +static const struct QemuSeccompSyscall blacklist[] = { + /* default set of syscalls to blacklist */ + { SCMP_SYS(reboot), QEMU_SECCOMP_SET_DEFAULT }, + { SCMP_SYS(swapon), QEMU_SECCOMP_SET_DEFAULT }, + { SCMP_SYS(swapoff), QEMU_SECCOMP_SET_DEFAULT }, + { SCMP_SYS(syslog), QEMU_SECCOMP_SET_DEFAULT }, + { SCMP_SYS(mount), QEMU_SECCOMP_SET_DEFAULT }, + { SCMP_SYS(umount), QEMU_SECCOMP_SET_DEFAULT }, + { SCMP_SYS(kexec_load), QEMU_SECCOMP_SET_DEFAULT }, + { SCMP_SYS(afs_syscall), QEMU_SECCOMP_SET_DEFAULT }, + { SCMP_SYS(break), QEMU_SECCOMP_SET_DEFAULT }, + { SCMP_SYS(ftime), QEMU_SECCOMP_SET_DEFAULT }, + { SCMP_SYS(getpmsg), QEMU_SECCOMP_SET_DEFAULT }, + { SCMP_SYS(gtty), QEMU_SECCOMP_SET_DEFAULT }, + { SCMP_SYS(lock), QEMU_SECCOMP_SET_DEFAULT }, + { SCMP_SYS(mpx), QEMU_SECCOMP_SET_DEFAULT }, + { SCMP_SYS(prof), QEMU_SECCOMP_SET_DEFAULT }, + { SCMP_SYS(profil), QEMU_SECCOMP_SET_DEFAULT }, + { SCMP_SYS(putpmsg), QEMU_SECCOMP_SET_DEFAULT }, + { SCMP_SYS(security), QEMU_SECCOMP_SET_DEFAULT }, + { SCMP_SYS(stty), QEMU_SECCOMP_SET_DEFAULT }, + { SCMP_SYS(tuxcall), QEMU_SECCOMP_SET_DEFAULT }, + { SCMP_SYS(ulimit), QEMU_SECCOMP_SET_DEFAULT }, + { SCMP_SYS(vserver), QEMU_SECCOMP_SET_DEFAULT }, }; int seccomp_start(void) @@ -262,19 +63,14 @@ int seccomp_start(void) unsigned int i = 0; scmp_filter_ctx ctx; - ctx = seccomp_init(SCMP_ACT_KILL); + ctx = seccomp_init(SCMP_ACT_ALLOW); if (ctx == NULL) { rc = -1; goto seccomp_return; } - for (i = 0; i < ARRAY_SIZE(seccomp_whitelist); i++) { - rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, seccomp_whitelist[i].num, 0); - if (rc < 0) { - goto seccomp_return; - } - rc = seccomp_syscall_priority(ctx, seccomp_whitelist[i].num, - seccomp_whitelist[i].priority); + for (i = 0; i < ARRAY_SIZE(blacklist); i++) { + rc = seccomp_rule_add(ctx, SCMP_ACT_KILL, blacklist[i].num, 0); if (rc < 0) { goto seccomp_return; } diff --git a/vl.c b/vl.c index fb1f05b937..76e0b3a946 100644 --- a/vl.c +++ b/vl.c @@ -1032,7 +1032,6 @@ static int bt_parse(const char *opt) static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp) { - /* FIXME: change this to true for 1.3 */ if (qemu_opt_get_bool(opts, "enable", false)) { #ifdef CONFIG_SECCOMP if (seccomp_start() < 0) { -- 2.13.5 ^ permalink raw reply related [flat|nested] 8+ messages in thread
* [Qemu-devel] [PULL 02/06] seccomp: add obsolete argument to command line 2017-09-15 8:41 [Qemu-devel] [PULL 00/06] seccomp branch queue Eduardo Otubo 2017-09-15 8:41 ` [Qemu-devel] [PULL 01/06] seccomp: changing from whitelist to blacklist Eduardo Otubo @ 2017-09-15 8:41 ` Eduardo Otubo 2017-09-15 8:41 ` [Qemu-devel] [PULL 03/06] seccomp: add elevateprivileges " Eduardo Otubo ` (4 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: Eduardo Otubo @ 2017-09-15 8:41 UTC (permalink / raw) To: qemu-devel; +Cc: Peter Maydell, Fam Zheng, Thomas Huth, Daniel P . Berrange This patch introduces the argument [,obsolete=allow] to the `-sandbox on' option. It allows Qemu to run safely on old system that still relies on old system calls. Signed-off-by: Eduardo Otubo <otubo@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Daniel P. Berrange <berrange@redhat.com> --- include/sysemu/seccomp.h | 3 ++- qemu-options.hx | 12 ++++++++++-- qemu-seccomp.c | 19 ++++++++++++++++++- vl.c | 24 +++++++++++++++++++++++- 4 files changed, 53 insertions(+), 5 deletions(-) diff --git a/include/sysemu/seccomp.h b/include/sysemu/seccomp.h index 23b9c3c789..215138a372 100644 --- a/include/sysemu/seccomp.h +++ b/include/sysemu/seccomp.h @@ -16,8 +16,9 @@ #define QEMU_SECCOMP_H #define QEMU_SECCOMP_SET_DEFAULT (1 << 0) +#define QEMU_SECCOMP_SET_OBSOLETE (1 << 1) #include <seccomp.h> -int seccomp_start(void); +int seccomp_start(uint32_t seccomp_opts); #endif diff --git a/qemu-options.hx b/qemu-options.hx index 9f6e2adfff..72150c6b84 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -4017,13 +4017,21 @@ Old param mode (ARM only). ETEXI DEF("sandbox", HAS_ARG, QEMU_OPTION_sandbox, \ - "-sandbox <arg> Enable seccomp mode 2 system call filter (default 'off').\n", + "-sandbox on[,obsolete=allow|deny]\n" \ + " Enable seccomp mode 2 system call filter (default 'off').\n" \ + " use 'obsolete' to allow obsolete system calls that are provided\n" \ + " by the kernel, but typically no longer used by modern\n" \ + " C library implementations.\n", QEMU_ARCH_ALL) STEXI -@item -sandbox @var{arg} +@item -sandbox @var{arg}[,obsolete=@var{string}] @findex -sandbox Enable Seccomp mode 2 system call filter. 'on' will enable syscall filtering and 'off' will disable it. The default is 'off'. +@table @option +@item obsolete=@var{string} +Enable Obsolete system calls +@end table ETEXI DEF("readconfig", HAS_ARG, QEMU_OPTION_readconfig, diff --git a/qemu-seccomp.c b/qemu-seccomp.c index f66613fc71..8a5fbd2ff1 100644 --- a/qemu-seccomp.c +++ b/qemu-seccomp.c @@ -55,9 +55,22 @@ static const struct QemuSeccompSyscall blacklist[] = { { SCMP_SYS(tuxcall), QEMU_SECCOMP_SET_DEFAULT }, { SCMP_SYS(ulimit), QEMU_SECCOMP_SET_DEFAULT }, { SCMP_SYS(vserver), QEMU_SECCOMP_SET_DEFAULT }, + /* obsolete */ + { SCMP_SYS(readdir), QEMU_SECCOMP_SET_OBSOLETE }, + { SCMP_SYS(_sysctl), QEMU_SECCOMP_SET_OBSOLETE }, + { SCMP_SYS(bdflush), QEMU_SECCOMP_SET_OBSOLETE }, + { SCMP_SYS(create_module), QEMU_SECCOMP_SET_OBSOLETE }, + { SCMP_SYS(get_kernel_syms), QEMU_SECCOMP_SET_OBSOLETE }, + { SCMP_SYS(query_module), QEMU_SECCOMP_SET_OBSOLETE }, + { SCMP_SYS(sgetmask), QEMU_SECCOMP_SET_OBSOLETE }, + { SCMP_SYS(ssetmask), QEMU_SECCOMP_SET_OBSOLETE }, + { SCMP_SYS(sysfs), QEMU_SECCOMP_SET_OBSOLETE }, + { SCMP_SYS(uselib), QEMU_SECCOMP_SET_OBSOLETE }, + { SCMP_SYS(ustat), QEMU_SECCOMP_SET_OBSOLETE }, }; -int seccomp_start(void) + +int seccomp_start(uint32_t seccomp_opts) { int rc = 0; unsigned int i = 0; @@ -70,6 +83,10 @@ int seccomp_start(void) } for (i = 0; i < ARRAY_SIZE(blacklist); i++) { + if (!(seccomp_opts & blacklist[i].set)) { + continue; + } + rc = seccomp_rule_add(ctx, SCMP_ACT_KILL, blacklist[i].num, 0); if (rc < 0) { goto seccomp_return; diff --git a/vl.c b/vl.c index 76e0b3a946..57c5e93c1a 100644 --- a/vl.c +++ b/vl.c @@ -271,6 +271,10 @@ static QemuOptsList qemu_sandbox_opts = { .name = "enable", .type = QEMU_OPT_BOOL, }, + { + .name = "obsolete", + .type = QEMU_OPT_STRING, + }, { /* end of list */ } }, }; @@ -1034,7 +1038,25 @@ static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp) { if (qemu_opt_get_bool(opts, "enable", false)) { #ifdef CONFIG_SECCOMP - if (seccomp_start() < 0) { + uint32_t seccomp_opts = QEMU_SECCOMP_SET_DEFAULT + | QEMU_SECCOMP_SET_OBSOLETE; + const char *value = NULL; + + value = qemu_opt_get(opts, "obsolete"); + if (value) { + if (g_str_equal(value, "allow")) { + seccomp_opts &= ~QEMU_SECCOMP_SET_OBSOLETE; + } else if (g_str_equal(value, "deny")) { + /* this is the default option, this if is here + * to provide a little bit of consistency for + * the command line */ + } else { + error_report("invalid argument for obsolete"); + return -1; + } + } + + if (seccomp_start(seccomp_opts) < 0) { error_report("failed to install seccomp syscall filter " "in the kernel"); return -1; -- 2.13.5 ^ permalink raw reply related [flat|nested] 8+ messages in thread
* [Qemu-devel] [PULL 03/06] seccomp: add elevateprivileges argument to command line 2017-09-15 8:41 [Qemu-devel] [PULL 00/06] seccomp branch queue Eduardo Otubo 2017-09-15 8:41 ` [Qemu-devel] [PULL 01/06] seccomp: changing from whitelist to blacklist Eduardo Otubo 2017-09-15 8:41 ` [Qemu-devel] [PULL 02/06] seccomp: add obsolete argument to command line Eduardo Otubo @ 2017-09-15 8:41 ` Eduardo Otubo 2017-09-15 8:41 ` [Qemu-devel] [PULL 04/06] seccomp: add spawn " Eduardo Otubo ` (3 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: Eduardo Otubo @ 2017-09-15 8:41 UTC (permalink / raw) To: qemu-devel; +Cc: Peter Maydell, Fam Zheng, Thomas Huth, Daniel P . Berrange This patch introduces the new argument [,elevateprivileges=allow|deny|children] to the `-sandbox on'. It allows or denies Qemu process to elevate its privileges by blacklisting all set*uid|gid system calls. The 'children' option will let forks and execves run unprivileged. Signed-off-by: Eduardo Otubo <otubo@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Daniel P. Berrange <berrange@redhat.com> --- include/sysemu/seccomp.h | 1 + qemu-options.hx | 12 +++++++++--- qemu-seccomp.c | 11 +++++++++++ vl.c | 27 +++++++++++++++++++++++++++ 4 files changed, 48 insertions(+), 3 deletions(-) diff --git a/include/sysemu/seccomp.h b/include/sysemu/seccomp.h index 215138a372..4a9e63c7cd 100644 --- a/include/sysemu/seccomp.h +++ b/include/sysemu/seccomp.h @@ -17,6 +17,7 @@ #define QEMU_SECCOMP_SET_DEFAULT (1 << 0) #define QEMU_SECCOMP_SET_OBSOLETE (1 << 1) +#define QEMU_SECCOMP_SET_PRIVILEGED (1 << 2) #include <seccomp.h> diff --git a/qemu-options.hx b/qemu-options.hx index 72150c6b84..5c1b163fb5 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -4017,20 +4017,26 @@ Old param mode (ARM only). ETEXI DEF("sandbox", HAS_ARG, QEMU_OPTION_sandbox, \ - "-sandbox on[,obsolete=allow|deny]\n" \ + "-sandbox on[,obsolete=allow|deny][,elevateprivileges=allow|deny|children]\n" \ " Enable seccomp mode 2 system call filter (default 'off').\n" \ " use 'obsolete' to allow obsolete system calls that are provided\n" \ " by the kernel, but typically no longer used by modern\n" \ - " C library implementations.\n", + " C library implementations.\n" \ + " use 'elevateprivileges' to allow or deny QEMU process to elevate\n" \ + " its privileges by blacklisting all set*uid|gid system calls.\n" \ + " The value 'children' will deny set*uid|gid system calls for\n" \ + " main QEMU process but will allow forks and execves to run unprivileged\n", QEMU_ARCH_ALL) STEXI -@item -sandbox @var{arg}[,obsolete=@var{string}] +@item -sandbox @var{arg}[,obsolete=@var{string}][,elevateprivileges=@var{string}] @findex -sandbox Enable Seccomp mode 2 system call filter. 'on' will enable syscall filtering and 'off' will disable it. The default is 'off'. @table @option @item obsolete=@var{string} Enable Obsolete system calls +@item elevateprivileges=@var{string} +Disable set*uid|gid system calls @end table ETEXI diff --git a/qemu-seccomp.c b/qemu-seccomp.c index 8a5fbd2ff1..978d66bd28 100644 --- a/qemu-seccomp.c +++ b/qemu-seccomp.c @@ -67,6 +67,17 @@ static const struct QemuSeccompSyscall blacklist[] = { { SCMP_SYS(sysfs), QEMU_SECCOMP_SET_OBSOLETE }, { SCMP_SYS(uselib), QEMU_SECCOMP_SET_OBSOLETE }, { SCMP_SYS(ustat), QEMU_SECCOMP_SET_OBSOLETE }, + /* privileged */ + { SCMP_SYS(setuid), QEMU_SECCOMP_SET_PRIVILEGED }, + { SCMP_SYS(setgid), QEMU_SECCOMP_SET_PRIVILEGED }, + { SCMP_SYS(setpgid), QEMU_SECCOMP_SET_PRIVILEGED }, + { SCMP_SYS(setsid), QEMU_SECCOMP_SET_PRIVILEGED }, + { SCMP_SYS(setreuid), QEMU_SECCOMP_SET_PRIVILEGED }, + { SCMP_SYS(setregid), QEMU_SECCOMP_SET_PRIVILEGED }, + { SCMP_SYS(setresuid), QEMU_SECCOMP_SET_PRIVILEGED }, + { SCMP_SYS(setresgid), QEMU_SECCOMP_SET_PRIVILEGED }, + { SCMP_SYS(setfsuid), QEMU_SECCOMP_SET_PRIVILEGED }, + { SCMP_SYS(setfsgid), QEMU_SECCOMP_SET_PRIVILEGED }, }; diff --git a/vl.c b/vl.c index 57c5e93c1a..d59b560276 100644 --- a/vl.c +++ b/vl.c @@ -29,6 +29,7 @@ #ifdef CONFIG_SECCOMP #include "sysemu/seccomp.h" +#include "sys/prctl.h" #endif #if defined(CONFIG_VDE) @@ -275,6 +276,10 @@ static QemuOptsList qemu_sandbox_opts = { .name = "obsolete", .type = QEMU_OPT_STRING, }, + { + .name = "elevateprivileges", + .type = QEMU_OPT_STRING, + }, { /* end of list */ } }, }; @@ -1056,6 +1061,28 @@ static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp) } } + value = qemu_opt_get(opts, "elevateprivileges"); + if (value) { + if (g_str_equal(value, "deny")) { + seccomp_opts |= QEMU_SECCOMP_SET_PRIVILEGED; + } else if (g_str_equal(value, "children")) { + seccomp_opts |= QEMU_SECCOMP_SET_PRIVILEGED; + + /* calling prctl directly because we're + * not sure if host has CAP_SYS_ADMIN set*/ + if (prctl(PR_SET_NO_NEW_PRIVS, 1)) { + error_report("failed to set no_new_privs " + "aborting"); + return -1; + } + } else if (g_str_equal(value, "allow")) { + /* default value */ + } else { + error_report("invalid argument for elevateprivileges"); + return -1; + } + } + if (seccomp_start(seccomp_opts) < 0) { error_report("failed to install seccomp syscall filter " "in the kernel"); -- 2.13.5 ^ permalink raw reply related [flat|nested] 8+ messages in thread
* [Qemu-devel] [PULL 04/06] seccomp: add spawn argument to command line 2017-09-15 8:41 [Qemu-devel] [PULL 00/06] seccomp branch queue Eduardo Otubo ` (2 preceding siblings ...) 2017-09-15 8:41 ` [Qemu-devel] [PULL 03/06] seccomp: add elevateprivileges " Eduardo Otubo @ 2017-09-15 8:41 ` Eduardo Otubo 2017-09-15 8:41 ` [Qemu-devel] [PULL 05/06] seccomp: add resourcecontrol " Eduardo Otubo ` (2 subsequent siblings) 6 siblings, 0 replies; 8+ messages in thread From: Eduardo Otubo @ 2017-09-15 8:41 UTC (permalink / raw) To: qemu-devel; +Cc: Peter Maydell, Fam Zheng, Thomas Huth, Daniel P . Berrange This patch adds [,spawn=deny] argument to `-sandbox on' option. It blacklists fork and execve system calls, avoiding Qemu to spawn new threads or processes. Signed-off-by: Eduardo Otubo <otubo@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Daniel P. Berrange <berrange@redhat.com> --- include/sysemu/seccomp.h | 1 + qemu-options.hx | 9 +++++++-- qemu-seccomp.c | 4 ++++ vl.c | 16 ++++++++++++++++ 4 files changed, 28 insertions(+), 2 deletions(-) diff --git a/include/sysemu/seccomp.h b/include/sysemu/seccomp.h index 4a9e63c7cd..3ab5fc4f61 100644 --- a/include/sysemu/seccomp.h +++ b/include/sysemu/seccomp.h @@ -18,6 +18,7 @@ #define QEMU_SECCOMP_SET_DEFAULT (1 << 0) #define QEMU_SECCOMP_SET_OBSOLETE (1 << 1) #define QEMU_SECCOMP_SET_PRIVILEGED (1 << 2) +#define QEMU_SECCOMP_SET_SPAWN (1 << 3) #include <seccomp.h> diff --git a/qemu-options.hx b/qemu-options.hx index 5c1b163fb5..2b04b9f170 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -4018,6 +4018,7 @@ ETEXI DEF("sandbox", HAS_ARG, QEMU_OPTION_sandbox, \ "-sandbox on[,obsolete=allow|deny][,elevateprivileges=allow|deny|children]\n" \ + " [,spawn=allow|deny]\n" \ " Enable seccomp mode 2 system call filter (default 'off').\n" \ " use 'obsolete' to allow obsolete system calls that are provided\n" \ " by the kernel, but typically no longer used by modern\n" \ @@ -4025,10 +4026,12 @@ DEF("sandbox", HAS_ARG, QEMU_OPTION_sandbox, \ " use 'elevateprivileges' to allow or deny QEMU process to elevate\n" \ " its privileges by blacklisting all set*uid|gid system calls.\n" \ " The value 'children' will deny set*uid|gid system calls for\n" \ - " main QEMU process but will allow forks and execves to run unprivileged\n", + " main QEMU process but will allow forks and execves to run unprivileged\n" \ + " use 'spawn' to avoid QEMU to spawn new threads or processes by\n" \ + " blacklisting *fork and execve\n", QEMU_ARCH_ALL) STEXI -@item -sandbox @var{arg}[,obsolete=@var{string}][,elevateprivileges=@var{string}] +@item -sandbox @var{arg}[,obsolete=@var{string}][,elevateprivileges=@var{string}][,spawn=@var{string}] @findex -sandbox Enable Seccomp mode 2 system call filter. 'on' will enable syscall filtering and 'off' will disable it. The default is 'off'. @@ -4037,6 +4040,8 @@ disable it. The default is 'off'. Enable Obsolete system calls @item elevateprivileges=@var{string} Disable set*uid|gid system calls +@item spawn=@var{string} +Disable *fork and execve @end table ETEXI diff --git a/qemu-seccomp.c b/qemu-seccomp.c index 978d66bd28..f3878a5e29 100644 --- a/qemu-seccomp.c +++ b/qemu-seccomp.c @@ -78,6 +78,10 @@ static const struct QemuSeccompSyscall blacklist[] = { { SCMP_SYS(setresgid), QEMU_SECCOMP_SET_PRIVILEGED }, { SCMP_SYS(setfsuid), QEMU_SECCOMP_SET_PRIVILEGED }, { SCMP_SYS(setfsgid), QEMU_SECCOMP_SET_PRIVILEGED }, + /* spawn */ + { SCMP_SYS(fork), QEMU_SECCOMP_SET_SPAWN }, + { SCMP_SYS(vfork), QEMU_SECCOMP_SET_SPAWN }, + { SCMP_SYS(execve), QEMU_SECCOMP_SET_SPAWN }, }; diff --git a/vl.c b/vl.c index d59b560276..984db0c399 100644 --- a/vl.c +++ b/vl.c @@ -280,6 +280,10 @@ static QemuOptsList qemu_sandbox_opts = { .name = "elevateprivileges", .type = QEMU_OPT_STRING, }, + { + .name = "spawn", + .type = QEMU_OPT_STRING, + }, { /* end of list */ } }, }; @@ -1083,6 +1087,18 @@ static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp) } } + value = qemu_opt_get(opts, "spawn"); + if (value) { + if (g_str_equal(value, "deny")) { + seccomp_opts |= QEMU_SECCOMP_SET_SPAWN; + } else if (g_str_equal(value, "allow")) { + /* default value */ + } else { + error_report("invalid argument for spawn"); + return -1; + } + } + if (seccomp_start(seccomp_opts) < 0) { error_report("failed to install seccomp syscall filter " "in the kernel"); -- 2.13.5 ^ permalink raw reply related [flat|nested] 8+ messages in thread
* [Qemu-devel] [PULL 05/06] seccomp: add resourcecontrol argument to command line 2017-09-15 8:41 [Qemu-devel] [PULL 00/06] seccomp branch queue Eduardo Otubo ` (3 preceding siblings ...) 2017-09-15 8:41 ` [Qemu-devel] [PULL 04/06] seccomp: add spawn " Eduardo Otubo @ 2017-09-15 8:41 ` Eduardo Otubo 2017-09-15 8:41 ` [Qemu-devel] [PULL 06/06] buildsys: Move seccomp cflags/libs to per object Eduardo Otubo 2017-09-16 11:35 ` [Qemu-devel] [PULL 00/06] seccomp branch queue Peter Maydell 6 siblings, 0 replies; 8+ messages in thread From: Eduardo Otubo @ 2017-09-15 8:41 UTC (permalink / raw) To: qemu-devel; +Cc: Peter Maydell, Fam Zheng, Thomas Huth, Daniel P . Berrange 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> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Daniel P. Berrange <berrange@redhat.com> --- include/sysemu/seccomp.h | 1 + qemu-options.hx | 9 ++++++--- qemu-seccomp.c | 11 +++++++++++ vl.c | 16 ++++++++++++++++ 4 files changed, 34 insertions(+), 3 deletions(-) diff --git a/include/sysemu/seccomp.h b/include/sysemu/seccomp.h index 3ab5fc4f61..e67c2dc840 100644 --- a/include/sysemu/seccomp.h +++ b/include/sysemu/seccomp.h @@ -19,6 +19,7 @@ #define QEMU_SECCOMP_SET_OBSOLETE (1 << 1) #define QEMU_SECCOMP_SET_PRIVILEGED (1 << 2) #define QEMU_SECCOMP_SET_SPAWN (1 << 3) +#define QEMU_SECCOMP_SET_RESOURCECTL (1 << 4) #include <seccomp.h> diff --git a/qemu-options.hx b/qemu-options.hx index 2b04b9f170..600614f6e5 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -4018,7 +4018,7 @@ ETEXI DEF("sandbox", HAS_ARG, QEMU_OPTION_sandbox, \ "-sandbox on[,obsolete=allow|deny][,elevateprivileges=allow|deny|children]\n" \ - " [,spawn=allow|deny]\n" \ + " [,spawn=allow|deny][,resourcecontrol=allow|deny]\n" \ " Enable seccomp mode 2 system call filter (default 'off').\n" \ " use 'obsolete' to allow obsolete system calls that are provided\n" \ " by the kernel, but typically no longer used by modern\n" \ @@ -4028,10 +4028,11 @@ DEF("sandbox", HAS_ARG, QEMU_OPTION_sandbox, \ " The value 'children' will deny set*uid|gid system calls for\n" \ " main QEMU process but will allow forks and execves to run unprivileged\n" \ " use 'spawn' to avoid QEMU to spawn new threads or processes by\n" \ - " blacklisting *fork and execve\n", + " blacklisting *fork and execve\n" \ + " use 'resourcecontrol' to disable process affinity and schedular priority\n", QEMU_ARCH_ALL) STEXI -@item -sandbox @var{arg}[,obsolete=@var{string}][,elevateprivileges=@var{string}][,spawn=@var{string}] +@item -sandbox @var{arg}[,obsolete=@var{string}][,elevateprivileges=@var{string}][,spawn=@var{string}][,resourcecontrol=@var{string}] @findex -sandbox Enable Seccomp mode 2 system call filter. 'on' will enable syscall filtering and 'off' will disable it. The default is 'off'. @@ -4042,6 +4043,8 @@ Enable Obsolete system calls Disable set*uid|gid system calls @item spawn=@var{string} Disable *fork and execve +@item resourcecontrol=@var{string} +Disable process affinity and schedular priority @end table ETEXI 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 }, }; diff --git a/vl.c b/vl.c index 984db0c399..9e62e92aea 100644 --- a/vl.c +++ b/vl.c @@ -284,6 +284,10 @@ static QemuOptsList qemu_sandbox_opts = { .name = "spawn", .type = QEMU_OPT_STRING, }, + { + .name = "resourcecontrol", + .type = QEMU_OPT_STRING, + }, { /* end of list */ } }, }; @@ -1099,6 +1103,18 @@ static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp) } } + value = qemu_opt_get(opts, "resourcecontrol"); + if (value) { + if (g_str_equal(value, "deny")) { + seccomp_opts |= QEMU_SECCOMP_SET_RESOURCECTL; + } else if (g_str_equal(value, "allow")) { + /* default value */ + } else { + error_report("invalid argument for resourcecontrol"); + return -1; + } + } + if (seccomp_start(seccomp_opts) < 0) { error_report("failed to install seccomp syscall filter " "in the kernel"); -- 2.13.5 ^ permalink raw reply related [flat|nested] 8+ messages in thread
* [Qemu-devel] [PULL 06/06] buildsys: Move seccomp cflags/libs to per object 2017-09-15 8:41 [Qemu-devel] [PULL 00/06] seccomp branch queue Eduardo Otubo ` (4 preceding siblings ...) 2017-09-15 8:41 ` [Qemu-devel] [PULL 05/06] seccomp: add resourcecontrol " Eduardo Otubo @ 2017-09-15 8:41 ` Eduardo Otubo 2017-09-16 11:35 ` [Qemu-devel] [PULL 00/06] seccomp branch queue Peter Maydell 6 siblings, 0 replies; 8+ messages in thread From: Eduardo Otubo @ 2017-09-15 8:41 UTC (permalink / raw) To: qemu-devel; +Cc: Peter Maydell, Fam Zheng, Thomas Huth, Daniel P . Berrange From: Fam Zheng <famz@redhat.com> Like many other libraries, libseccomp cflags and libs should only apply to the building of necessary objects. Do so in the usual way with the help of per object variables. Signed-off-by: Fam Zheng <famz@redhat.com> Acked-by: Eduardo Otubo <otubo@redhat.com> --- Makefile.objs | 2 ++ configure | 6 ++++-- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/Makefile.objs b/Makefile.objs index 24a4ea08b8..d9cf7ad791 100644 --- a/Makefile.objs +++ b/Makefile.objs @@ -70,6 +70,8 @@ common-obj-y += backends/ common-obj-y += chardev/ common-obj-$(CONFIG_SECCOMP) += qemu-seccomp.o +qemu-seccomp.o-cflags := $(SECCOMP_CFLAGS) +qemu-seccomp.o-libs := $(SECCOMP_LIBS) common-obj-$(CONFIG_FDT) += device_tree.o diff --git a/configure b/configure index 9ee4559b54..94db2d103e 100755 --- a/configure +++ b/configure @@ -2035,8 +2035,8 @@ if test "$seccomp" != "no" ; then if test "$libseccomp_minver" != "" && $pkg_config --atleast-version=$libseccomp_minver libseccomp ; then - libs_softmmu="$libs_softmmu $($pkg_config --libs libseccomp)" - QEMU_CFLAGS="$QEMU_CFLAGS $($pkg_config --cflags libseccomp)" + seccomp_cflags="$($pkg_config --cflags libseccomp)" + seccomp_libs="$($pkg_config --libs libseccomp)" seccomp="yes" else if test "$seccomp" = "yes" ; then @@ -5829,6 +5829,8 @@ fi if test "$seccomp" = "yes"; then echo "CONFIG_SECCOMP=y" >> $config_host_mak + echo "SECCOMP_CFLAGS=$seccomp_cflags" >> $config_host_mak + echo "SECCOMP_LIBS=$seccomp_libs" >> $config_host_mak fi # XXX: suppress that -- 2.13.5 ^ permalink raw reply related [flat|nested] 8+ messages in thread
* Re: [Qemu-devel] [PULL 00/06] seccomp branch queue 2017-09-15 8:41 [Qemu-devel] [PULL 00/06] seccomp branch queue Eduardo Otubo ` (5 preceding siblings ...) 2017-09-15 8:41 ` [Qemu-devel] [PULL 06/06] buildsys: Move seccomp cflags/libs to per object Eduardo Otubo @ 2017-09-16 11:35 ` Peter Maydell 6 siblings, 0 replies; 8+ messages in thread From: Peter Maydell @ 2017-09-16 11:35 UTC (permalink / raw) To: Eduardo Otubo Cc: QEMU Developers, Fam Zheng, Thomas Huth, Daniel P . Berrange On 15 September 2017 at 09:41, Eduardo Otubo <otubo@redhat.com> wrote: > The following changes since commit 3dabde1128b671f36ac6cb36b97b273139964420: > > Merge remote-tracking branch 'remotes/dgilbert/tags/pull-hmp-20170914' into staging (2017-09-14 16:33:02 +0100) > > are available in the git repository at: > > https://github.com/otubo/qemu.git tags/pull-seccomp-20170915 > > for you to fetch changes up to c3883e1f935bf11ef0d2b8157b0022ace3d0e77d: > > buildsys: Move seccomp cflags/libs to per object (2017-09-15 10:16:05 +0200) > > ---------------------------------------------------------------- > pull-seccomp-20170915 > > ---------------------------------------------------------------- > Eduardo Otubo (5): > seccomp: changing from whitelist to blacklist > seccomp: add obsolete argument to command line > seccomp: add elevateprivileges argument to command line > seccomp: add spawn argument to command line > seccomp: add resourcecontrol argument to command line > > Fam Zheng (1): > buildsys: Move seccomp cflags/libs to per object Applied, thanks. -- PMM ^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2017-09-16 11:36 UTC | newest] Thread overview: 8+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2017-09-15 8:41 [Qemu-devel] [PULL 00/06] seccomp branch queue Eduardo Otubo 2017-09-15 8:41 ` [Qemu-devel] [PULL 01/06] seccomp: changing from whitelist to blacklist Eduardo Otubo 2017-09-15 8:41 ` [Qemu-devel] [PULL 02/06] seccomp: add obsolete argument to command line Eduardo Otubo 2017-09-15 8:41 ` [Qemu-devel] [PULL 03/06] seccomp: add elevateprivileges " Eduardo Otubo 2017-09-15 8:41 ` [Qemu-devel] [PULL 04/06] seccomp: add spawn " Eduardo Otubo 2017-09-15 8:41 ` [Qemu-devel] [PULL 05/06] seccomp: add resourcecontrol " Eduardo Otubo 2017-09-15 8:41 ` [Qemu-devel] [PULL 06/06] buildsys: Move seccomp cflags/libs to per object Eduardo Otubo 2017-09-16 11:35 ` [Qemu-devel] [PULL 00/06] seccomp branch queue Peter Maydell
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