diff options
Diffstat (limited to 'pkg/sentry/platform/ptrace/subprocess.go')
| -rw-r--r-- | pkg/sentry/platform/ptrace/subprocess.go | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/pkg/sentry/platform/ptrace/subprocess.go b/pkg/sentry/platform/ptrace/subprocess.go index 15e84735e..79501682d 100644 --- a/pkg/sentry/platform/ptrace/subprocess.go +++ b/pkg/sentry/platform/ptrace/subprocess.go @@ -28,6 +28,16 @@ import ( "gvisor.dev/gvisor/pkg/sentry/usermem" ) +// Linux kernel errnos which "should never be seen by user programs", but will +// be revealed to ptrace syscall exit tracing. +// +// These constants are only used in subprocess.go. +const ( + ERESTARTSYS = syscall.Errno(512) + ERESTARTNOINTR = syscall.Errno(513) + ERESTARTNOHAND = syscall.Errno(514) +) + // globalPool exists to solve two distinct problems: // // 1) Subprocesses can't always be killed properly (see Release). @@ -282,7 +292,7 @@ func (t *thread) grabInitRegs() { if err := t.getRegs(&t.initRegs); err != nil { panic(fmt.Sprintf("ptrace get regs failed: %v", err)) } - t.initRegs.Rip -= initRegsRipAdjustment + t.adjustInitRegsRip() } // detach detaches from the thread. |