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don't send SIGCONT when sending SIGSTOP derived from PTRACE_ATTACH

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refs #747
This commit is contained in:
Tomoki Shirasawa
2016-05-19 10:54:12 +09:00
parent 9b35eaca42
commit f06d8041e3
2 changed files with 2 additions and 2 deletions
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2
arch/x86/kernel/syscall.c
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@ -1258,7 +1258,7 @@ done:
/* Wake up the target only when stopped by ptrace-reporting */
sched_wakeup_thread(tthread, PS_TRACED | PS_STOPPED);
}
else if(sig == SIGCONT || ptracecont){
else if(sig == SIGCONT || ptracecont == 1){
/* Wake up the target only when stopped by SIGSTOP */
sched_wakeup_thread(tthread, PS_STOPPED);
tthread->proc->status = PS_RUNNING;

2
kernel/syscall.c
View File

@ -4987,7 +4987,7 @@ static int ptrace_attach(int pid)
info.si_signo = SIGSTOP;
info.si_code = SI_USER;
info._sifields._kill.si_pid = proc->pid;
error = do_kill(mythread, pid, -1, SIGSTOP, &info, 1);
error = do_kill(mythread, pid, -1, SIGSTOP, &info, 2);
if (error < 0) {
goto out;
}