Re: [PATCH v3 5/5] exec: Add a exec_update_mutex to replace cred_guard_mutex

From: Bernd Edlinger
Date: Thu Mar 19 2020 - 03:19:32 EST




On 3/19/20 8:13 AM, Kirill Tkhai wrote:
> On 18.03.2020 23:06, Bernd Edlinger wrote:
>>
>> I was thinking of something like that:
>>
>> --- a/fs/exec.c
>> +++ b/fs/exec.c
>> @@ -1010,6 +1010,11 @@ ssize_t read_code(struct file *file, unsigned long addr,
>> }
>> EXPORT_SYMBOL(read_code);
>>
>> +/*
>> + * Maps the mm_struct mm into the current task struct.
>> + * On success, this function returns with the mutex
>> + * exec_update_mutex locked.
>> + */
>
> Looks OK for me.
>

Cool, yeah, then I will post an updated patch in a moment.


Thanks
Bernd.