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Re: Re: [PATCH] Fix stack smashing when handling PR_GET_PDEATHSIG


From: Stephen Long
Subject: Re: Re: [PATCH] Fix stack smashing when handling PR_GET_PDEATHSIG
Date: Fri, 25 Sep 2020 18:56:49 -0700

>>  linux-user/syscall.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>> 
>> diff --git a/linux-user/syscall.c b/linux-user/syscall.c
>> index 05f0391..91f9114 100644
>> --- a/linux-user/syscall.c
>> +++ b/linux-user/syscall.c
>> @@ -10256,7 +10256,7 @@ static abi_long do_syscall1(void *cpu_env, int num, 
>> abi_long arg1,
>>              int deathsig;
>>              ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
>>              if (!is_error(ret) && arg2
>> -                && put_user_ual(deathsig, arg2)) {
>> +                && put_user_s32(deathsig, arg2)) {
>>                  return -TARGET_EFAULT;
>>              }
>>              return ret;

Hi Laurent, is it possible to get this patch into master?



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