Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1619986

Re: NULL pointer dereference in the kernel 3.10

Show all headers | View raw

On 2017/4/10 22:13, Willy Tarreau wrote:
> On Mon, Apr 10, 2017 at 10:06:59PM +0800, zhong jiang wrote:
>> On 2017/4/10 20:48, Michal Hocko wrote:
>>> On Mon 10-04-17 20:10:06, zhong jiang wrote:
>>>> On 2017/4/10 16:56, Mel Gorman wrote:
>>>>> On Sat, Apr 08, 2017 at 09:39:42PM +0800, zhong jiang wrote:
>>>>>> when runing the stabile docker cases in the vm.   The following issue will come up.
>>>>>>
>>>>>> #40 [ffff8801b57ffb30] async_page_fault at ffffffff8165c9f8
>>>>>>     [exception RIP: down_read_trylock+5]
>>>>>>     RIP: ffffffff810aca65  RSP: ffff8801b57ffbe8  RFLAGS: 00010202
>>>>>>     RAX: 0000000000000000  RBX: ffff88018ae858c1  RCX: 0000000000000000
>>>>>>     RDX: 0000000000000000  RSI: 0000000000000000  RDI: 0000000000000008
>>>>>>     RBP: ffff8801b57ffc10   R8: ffffea0006903de0   R9: ffff8800b3c61810
>>>>>>     R10: 00000000000022cb  R11: 0000000000000000  R12: ffff88018ae858c0
>>>>>>     R13: ffffea0006903dc0  R14: 0000000000000008  R15: ffffea0006903dc0
>>>>>>     ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0000
>>>>> Post the full report including the kernel version and state whether any
>>>>> additional patches to 3.10 are applied.
>>>>>
>>>>  Hi, Mel
>>>>    
>>>>         Our kernel from RHEL 7.2, Addtional patches all from upstream -- include Bugfix and CVE.
>>> I believe you should contact Redhat for the support. This is a) old
>>> kernel and b) with other patches which might or might not be relevant.
>>   Ok, regardless of the kernel version, we just discuss the situation in theory.  if commit
>>   624483f3ea8  ("mm: rmap: fix use-after-free in __put_anon_vma")  is not exist. the issue
>>  will trigger . Any thought.
> But this commit was backported into 3.10.43, so stable kernel users are safe.
>
> Regards,
> Willy
>
> .
  yes,  you are sure that the commit can fix the issue.

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

NULL pointer dereference in the kernel 3.10 zhong jiang <zhongjiang@huawei.com> - 2017-04-08 15:50 +0200
  Re: NULL pointer dereference in the kernel 3.10 "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2017-04-10 08:50 +0200
    Re: NULL pointer dereference in the kernel 3.10 Xishi Qiu <qiuxishi@huawei.com> - 2017-04-10 11:00 +0200
      Re: NULL pointer dereference in the kernel 3.10 "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2017-04-10 11:40 +0200
        Re: NULL pointer dereference in the kernel 3.10 Xishi Qiu <qiuxishi@huawei.com> - 2017-04-10 12:00 +0200
          Re: NULL pointer dereference in the kernel 3.10 "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2017-04-10 12:10 +0200
  Re: NULL pointer dereference in the kernel 3.10 Mel Gorman <mgorman@techsingularity.net> - 2017-04-10 11:00 +0200
    Re: NULL pointer dereference in the kernel 3.10 zhong jiang <zhongjiang@huawei.com> - 2017-04-10 14:20 +0200
      Re: NULL pointer dereference in the kernel 3.10 Michal Hocko <mhocko@kernel.org> - 2017-04-10 14:50 +0200
        Re: NULL pointer dereference in the kernel 3.10 Willy Tarreau <w@1wt.eu> - 2017-04-10 16:20 +0200
          Re: NULL pointer dereference in the kernel 3.10 zhong jiang <zhongjiang@huawei.com> - 2017-04-10 16:40 +0200
            Re: NULL pointer dereference in the kernel 3.10 Willy Tarreau <w@1wt.eu> - 2017-04-10 16:50 +0200
        Re: NULL pointer dereference in the kernel 3.10 zhong jiang <zhongjiang@huawei.com> - 2017-04-10 16:20 +0200
      Re: NULL pointer dereference in the kernel 3.10 Mel Gorman <mgorman@techsingularity.net> - 2017-04-10 16:10 +0200
        Re: NULL pointer dereference in the kernel 3.10 zhong jiang <zhongjiang@huawei.com> - 2017-04-10 16:20 +0200

csiph-web