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authorgVisor bot <gvisor-bot@google.com>2019-09-25 06:51:27 +0000
committergVisor bot <gvisor-bot@google.com>2019-09-25 06:51:27 +0000
commit1872bd8d377ea9874de440356662a70fd95e56fc (patch)
treed23301c164b12899878d85749401590b6df8dd13 /pkg/sentry/platform/ptrace
parentaed44ce8fd2d6e28f8c0dc1b34094e51dc846fec (diff)
parent76ff1947b6e3703c2b9524e1086c791ceb4edb74 (diff)
Merge release-20190806.1-180-g76ff194 (automated)
Diffstat (limited to 'pkg/sentry/platform/ptrace')
-rw-r--r--pkg/sentry/platform/ptrace/subprocess.go14
-rw-r--r--pkg/sentry/platform/ptrace/subprocess_linux.go4
2 files changed, 9 insertions, 9 deletions
diff --git a/pkg/sentry/platform/ptrace/subprocess.go b/pkg/sentry/platform/ptrace/subprocess.go
index 4f8f9c5d9..9f0ecfbe4 100644
--- a/pkg/sentry/platform/ptrace/subprocess.go
+++ b/pkg/sentry/platform/ptrace/subprocess.go
@@ -267,7 +267,7 @@ func (s *subprocess) newThread() *thread {
// attach attaches to the thread.
func (t *thread) attach() {
- if _, _, errno := syscall.RawSyscall(syscall.SYS_PTRACE, syscall.PTRACE_ATTACH, uintptr(t.tid), 0); errno != 0 {
+ if _, _, errno := syscall.RawSyscall6(syscall.SYS_PTRACE, syscall.PTRACE_ATTACH, uintptr(t.tid), 0, 0, 0, 0); errno != 0 {
panic(fmt.Sprintf("unable to attach: %v", errno))
}
@@ -417,7 +417,7 @@ func (t *thread) syscall(regs *syscall.PtraceRegs) (uintptr, error) {
for {
// Execute the syscall instruction.
- if _, _, errno := syscall.RawSyscall(syscall.SYS_PTRACE, syscall.PTRACE_SYSCALL, uintptr(t.tid), 0); errno != 0 {
+ if _, _, errno := syscall.RawSyscall6(syscall.SYS_PTRACE, syscall.PTRACE_SYSCALL, uintptr(t.tid), 0, 0, 0, 0); errno != 0 {
panic(fmt.Sprintf("ptrace syscall-enter failed: %v", errno))
}
@@ -435,7 +435,7 @@ func (t *thread) syscall(regs *syscall.PtraceRegs) (uintptr, error) {
}
// Complete the actual system call.
- if _, _, errno := syscall.RawSyscall(syscall.SYS_PTRACE, syscall.PTRACE_SYSCALL, uintptr(t.tid), 0); errno != 0 {
+ if _, _, errno := syscall.RawSyscall6(syscall.SYS_PTRACE, syscall.PTRACE_SYSCALL, uintptr(t.tid), 0, 0, 0, 0); errno != 0 {
panic(fmt.Sprintf("ptrace syscall-enter failed: %v", errno))
}
@@ -526,17 +526,17 @@ func (s *subprocess) switchToApp(c *context, ac arch.Context) bool {
for {
// Start running until the next system call.
if isSingleStepping(regs) {
- if _, _, errno := syscall.RawSyscall(
+ if _, _, errno := syscall.RawSyscall6(
syscall.SYS_PTRACE,
syscall.PTRACE_SYSEMU_SINGLESTEP,
- uintptr(t.tid), 0); errno != 0 {
+ uintptr(t.tid), 0, 0, 0, 0); errno != 0 {
panic(fmt.Sprintf("ptrace sysemu failed: %v", errno))
}
} else {
- if _, _, errno := syscall.RawSyscall(
+ if _, _, errno := syscall.RawSyscall6(
syscall.SYS_PTRACE,
syscall.PTRACE_SYSEMU,
- uintptr(t.tid), 0); errno != 0 {
+ uintptr(t.tid), 0, 0, 0, 0); errno != 0 {
panic(fmt.Sprintf("ptrace sysemu failed: %v", errno))
}
}
diff --git a/pkg/sentry/platform/ptrace/subprocess_linux.go b/pkg/sentry/platform/ptrace/subprocess_linux.go
index f09b0b3d0..c075b5f91 100644
--- a/pkg/sentry/platform/ptrace/subprocess_linux.go
+++ b/pkg/sentry/platform/ptrace/subprocess_linux.go
@@ -53,7 +53,7 @@ func probeSeccomp() bool {
for {
// Attempt an emulation.
- if _, _, errno := syscall.RawSyscall(syscall.SYS_PTRACE, syscall.PTRACE_SYSEMU, uintptr(t.tid), 0); errno != 0 {
+ if _, _, errno := syscall.RawSyscall6(syscall.SYS_PTRACE, syscall.PTRACE_SYSEMU, uintptr(t.tid), 0, 0, 0, 0); errno != 0 {
panic(fmt.Sprintf("ptrace syscall-enter failed: %v", errno))
}
@@ -266,7 +266,7 @@ func attachedThread(flags uintptr, defaultAction linux.BPFAction) (*thread, erro
// Enable cpuid-faulting; this may fail on older kernels or hardware,
// so we just disregard the result. Host CPUID will be enabled.
- syscall.RawSyscall(syscall.SYS_ARCH_PRCTL, linux.ARCH_SET_CPUID, 0, 0)
+ syscall.RawSyscall6(syscall.SYS_ARCH_PRCTL, linux.ARCH_SET_CPUID, 0, 0, 0, 0, 0)
// Call the stub; should not return.
stubCall(stubStart, ppid)