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authorMichael Pratt <mpratt@google.com>2021-09-30 08:43:12 -0700
committergVisor bot <gvisor-bot@google.com>2021-09-30 08:46:04 -0700
commitb4d4f4bd861c98feb0e28d637ef701b9f7f1840e (patch)
treea3e2e5595132b817eec2ce3806c212b03d2d741c /runsc/boot
parentdb88937abb462b5dee6bcc2ec6d26367bf90ef7c (diff)
Add timer_create and timer_settime to filters
Go 1.18 (as of golang.org/cl/324129) uses per-thread timers created and set with timer_create/timer_settime for more accurate CPU pprof profiling. Add these syscalls to the allowed syscall filters. PiperOrigin-RevId: 399941561
Diffstat (limited to 'runsc/boot')
-rw-r--r--runsc/boot/filter/config.go16
1 files changed, 16 insertions, 0 deletions
diff --git a/runsc/boot/filter/config.go b/runsc/boot/filter/config.go
index 703f34827..d875aa334 100644
--- a/runsc/boot/filter/config.go
+++ b/runsc/boot/filter/config.go
@@ -304,6 +304,22 @@ var allowedSyscalls = seccomp.SyscallRules{
seccomp.EqualTo(unix.SPLICE_F_NONBLOCK), /* flags */
},
},
+ unix.SYS_TIMER_CREATE: []seccomp.Rule{
+ {
+ seccomp.EqualTo(unix.CLOCK_THREAD_CPUTIME_ID), /* which */
+ seccomp.MatchAny{}, /* sevp */
+ seccomp.MatchAny{}, /* timerid */
+ },
+ },
+ unix.SYS_TIMER_DELETE: []seccomp.Rule{},
+ unix.SYS_TIMER_SETTIME: []seccomp.Rule{
+ {
+ seccomp.MatchAny{}, /* timerid */
+ seccomp.EqualTo(0), /* flags */
+ seccomp.MatchAny{}, /* new_value */
+ seccomp.EqualTo(0), /* old_value */
+ },
+ },
unix.SYS_TGKILL: []seccomp.Rule{
{
seccomp.EqualTo(uint64(os.Getpid())),