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[lwp]检查killpg的signo参数的有效性 (#9981)

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* [lwp]对检查killpg的signo参数的有效性
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heyuanjie87 2025-02-18 14:33:56 +08:00 committed by GitHub
parent 91beec4239
commit 4b25b5ed9a
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1 changed files with 7 additions and 1 deletions
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8
components/lwp/lwp_signal.c
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@ -27,6 +27,11 @@
#include "sys/signal.h" #include "sys/signal.h"
#include "syscall_generic.h" #include "syscall_generic.h"
rt_inline rt_err_t valid_signo_check(unsigned long sig)
{
return sig <= _LWP_NSIG ? 0 : -RT_EINVAL;
}
static lwp_siginfo_t siginfo_create(rt_thread_t current, int signo, int code, lwp_siginfo_ext_t ext) static lwp_siginfo_t siginfo_create(rt_thread_t current, int signo, int code, lwp_siginfo_ext_t ext)
{ {
lwp_siginfo_t siginfo; lwp_siginfo_t siginfo;
@ -1432,7 +1437,8 @@ rt_err_t lwp_pgrp_signal_kill(rt_processgroup_t pgrp, long signo, long code,
PGRP_ASSERT_LOCKED(pgrp); PGRP_ASSERT_LOCKED(pgrp);
if (pgrp) rc = valid_signo_check(signo);
if (pgrp && !rc)
{ {
rt_list_for_each_entry(lwp, &pgrp->process, pgrp_node) rt_list_for_each_entry(lwp, &pgrp->process, pgrp_node)
{ {