On 2015/1/28 14:51, Willy Tarreau wrote:
> Hi Li,
>
> On Wed, Jan 28, 2015 at 12:10:35PM +0800, lizf@xxxxxxxxxx wrote:
>> From: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
>>
>> 3.4.106-rc1 review patch. If anyone has any objections, please let me know.
>>
>> ------------------
>>
>>
>> commit 41bdc78544b8a93a9c6814b8bbbfef966272abbe upstream.
>>
>> Installing a 16-bit RW data segment into the GDT defeats espfix.
>> AFAICT this will not affect glibc, Wine, or dosemu at all.
>>
>> Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
>> Acked-by: H. Peter Anvin <hpa@xxxxxxxxx>
>> Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
>> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
>> Cc: security@xxxxxxxxxx <security@xxxxxxxxxx>
>> Cc: Willy Tarreau <w@xxxxxx>
>> Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
>> Signed-off-by: Zefan Li <lizefan@xxxxxxxxxx>
>
> This patch has introduced a few minor regressions for which Andy has
> provided fixes already pending in latest stable previews, so maybe it
> could make sense to either pick them as well or delay all of them for
> another round. Greg has queued them in his latest preview if you are
> interested (eg: 19/32 and 20/32 for 3.10.67) :
>
> - e30ab18 ("x86, tls, ldt: Stop checking lm in LDT_empty")
> - 3669ef9 ("x86, tls: Interpret an all-zero struct user_desc as "no segment"")
>
I think I'll queue them for this release.
Thanks!
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