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Kernel: memset() all siginfo_t structs after creating them

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This commit is contained in:
Andreas Kling 2020-02-06 14:12:20 +01:00
parent 1b866bbf42
commit dc18859695
1 changed files with 4 additions and 1 deletions
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5
Kernel/Process.cpp
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@ -2269,6 +2269,7 @@ mode_t Process::sys$umask(mode_t mask)
siginfo_t Process::reap(Process& process) siginfo_t Process::reap(Process& process)
{ {
siginfo_t siginfo; siginfo_t siginfo;
memset(&siginfo, 0, sizeof(siginfo));
siginfo.si_signo = SIGCHLD; siginfo.si_signo = SIGCHLD;
siginfo.si_pid = process.pid(); siginfo.si_pid = process.pid();
siginfo.si_uid = process.uid(); siginfo.si_uid = process.uid();
@ -2314,7 +2315,8 @@ KResultOr<siginfo_t> Process::do_waitid(idtype_t idtype, int id, int options)
// FIXME: Figure out what WNOHANG should do with stopped children. // FIXME: Figure out what WNOHANG should do with stopped children.
if (idtype == P_ALL) { if (idtype == P_ALL) {
InterruptDisabler disabler; InterruptDisabler disabler;
siginfo_t siginfo = { 0 }; siginfo_t siginfo;
memset(&siginfo, 0, sizeof(siginfo));
for_each_child([&siginfo](Process& process) { for_each_child([&siginfo](Process& process) {
if (process.is_dead()) if (process.is_dead())
siginfo = reap(process); siginfo = reap(process);
@ -2365,6 +2367,7 @@ KResultOr<siginfo_t> Process::do_waitid(idtype_t idtype, int id, int options)
return KResult(-ECHILD); return KResult(-ECHILD);
ASSERT(waitee_thread->state() == Thread::State::Stopped); ASSERT(waitee_thread->state() == Thread::State::Stopped);
siginfo_t siginfo; siginfo_t siginfo;
memset(&siginfo, 0, sizeof(siginfo));
siginfo.si_signo = SIGCHLD; siginfo.si_signo = SIGCHLD;
siginfo.si_pid = waitee_process->pid(); siginfo.si_pid = waitee_process->pid();
siginfo.si_uid = waitee_process->uid(); siginfo.si_uid = waitee_process->uid();