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[lwp]检查killpg的signo参数的有效性 #9981

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Merged
merged 2 commits into from
Feb 18, 2025
Merged

[lwp]检查killpg的signo参数的有效性 #9981

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b142f37
[lwp]对检查killpg的signo参数的有效性
heyuanjie87 Feb 10, 2025
3178e0a
修改代码格式问题
heyuanjie87 Feb 10, 2025
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8 changes: 7 additions & 1 deletion components/lwp/lwp_signal.c
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,11 @@
#include "sys/signal.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)
{
lwp_siginfo_t siginfo;
Expand Down Expand Up @@ -1432,7 +1437,8 @@ rt_err_t lwp_pgrp_signal_kill(rt_processgroup_t pgrp, long signo, long code,

PGRP_ASSERT_LOCKED(pgrp);

if (pgrp)
rc = valid_signo_check(signo);
if (pgrp && !rc)
{
rt_list_for_each_entry(lwp, &pgrp->process, pgrp_node)
{
Expand Down