diff options
Diffstat (limited to 'pkg/sentry/strace')
| -rw-r--r-- | pkg/sentry/strace/linux64.go | 8 | ||||
| -rw-r--r-- | pkg/sentry/strace/strace.go | 14 | ||||
| -rw-r--r-- | pkg/sentry/strace/syscalls.go | 9 |
3 files changed, 26 insertions, 5 deletions
diff --git a/pkg/sentry/strace/linux64.go b/pkg/sentry/strace/linux64.go index 7a1eb581d..63851246c 100644 --- a/pkg/sentry/strace/linux64.go +++ b/pkg/sentry/strace/linux64.go @@ -240,8 +240,8 @@ var linuxAMD64 = SyscallMap{ 220: makeSyscallInfo("semtimedop", Hex, Hex, Hex, Hex), 221: makeSyscallInfo("fadvise64", Hex, Hex, Hex, Hex), 222: makeSyscallInfo("timer_create", Hex, Hex, Hex), - 223: makeSyscallInfo("timer_settime", Hex, Hex, Hex, Hex), - 224: makeSyscallInfo("timer_gettime", Hex, Hex), + 223: makeSyscallInfo("timer_settime", Hex, Hex, ItimerSpec, PostItimerSpec), + 224: makeSyscallInfo("timer_gettime", Hex, PostItimerSpec), 225: makeSyscallInfo("timer_getoverrun", Hex), 226: makeSyscallInfo("timer_delete", Hex), 227: makeSyscallInfo("clock_settime", Hex, Timespec), @@ -303,8 +303,8 @@ var linuxAMD64 = SyscallMap{ 283: makeSyscallInfo("timerfd_create", Hex, Hex), 284: makeSyscallInfo("eventfd", Hex), 285: makeSyscallInfo("fallocate", Hex, Hex, Hex, Hex), - 286: makeSyscallInfo("timerfd_settime", Hex, Hex, Hex, Hex), - 287: makeSyscallInfo("timerfd_gettime", Hex, Hex), + 286: makeSyscallInfo("timerfd_settime", Hex, Hex, ItimerSpec, PostItimerSpec), + 287: makeSyscallInfo("timerfd_gettime", Hex, PostItimerSpec), 288: makeSyscallInfo("accept4", Hex, PostSockAddr, SockLen, SockFlags), 289: makeSyscallInfo("signalfd4", Hex, Hex, Hex, Hex), 290: makeSyscallInfo("eventfd2", Hex, Hex), diff --git a/pkg/sentry/strace/strace.go b/pkg/sentry/strace/strace.go index 03b4a350a..539e665d2 100644 --- a/pkg/sentry/strace/strace.go +++ b/pkg/sentry/strace/strace.go @@ -224,6 +224,16 @@ func itimerval(t *kernel.Task, addr usermem.Addr) string { return fmt.Sprintf("%#x {interval=%s, value=%s}", addr, interval, value) } +func itimerspec(t *kernel.Task, addr usermem.Addr) string { + if addr == 0 { + return "null" + } + + interval := timespec(t, addr) + value := timespec(t, addr+usermem.Addr(binary.Size(linux.Timespec{}))) + return fmt.Sprintf("%#x {interval=%s, value=%s}", addr, interval, value) +} + func stringVector(t *kernel.Task, addr usermem.Addr) string { vec, err := t.CopyInVector(addr, slinux.ExecMaxElemSize, slinux.ExecMaxTotalSize) if err != nil { @@ -296,6 +306,8 @@ func (i *SyscallInfo) pre(t *kernel.Task, args arch.SyscallArguments, maximumBlo output = append(output, utimensTimespec(t, args[arg].Pointer())) case ItimerVal: output = append(output, itimerval(t, args[arg].Pointer())) + case ItimerSpec: + output = append(output, itimerspec(t, args[arg].Pointer())) case Timeval: output = append(output, timeval(t, args[arg].Pointer())) case Utimbuf: @@ -362,6 +374,8 @@ func (i *SyscallInfo) post(t *kernel.Task, args arch.SyscallArguments, rval uint output[arg] = timespec(t, args[arg].Pointer()) case PostItimerVal: output[arg] = itimerval(t, args[arg].Pointer()) + case PostItimerSpec: + output[arg] = itimerspec(t, args[arg].Pointer()) case Timeval: output[arg] = timeval(t, args[arg].Pointer()) case Rusage: diff --git a/pkg/sentry/strace/syscalls.go b/pkg/sentry/strace/syscalls.go index 4513d1ba6..770a0d2b9 100644 --- a/pkg/sentry/strace/syscalls.go +++ b/pkg/sentry/strace/syscalls.go @@ -132,10 +132,17 @@ const ( // ItimerVal is a pointer to a struct itimerval. ItimerVal - // ItimerVal is a pointer to a struct itimerval, formatted after + // PostItimerVal is a pointer to a struct itimerval, formatted after // syscall execution. PostItimerVal + // ItimerSpec is a pointer to a struct itimerspec. + ItimerSpec + + // PostItimerSpec is a pointer to a struct itimerspec, formatted after + // syscall execution. + PostItimerSpec + // Timeval is a pointer to a struct timeval, formatted before and after // syscall execution. Timeval |