On 12/05/2025 15:21, Mikulas Patocka wrote:
>
> On Wed, 7 May 2025, Bart Van Assche wrote:
>
>> On 5/7/25 3:40 AM, Malte Schröder wrote:
>>> kernel 6.15-rc5 fails to access lvs which use mirroring (lvcreate -m1).
>>> Last working release is -rc4. Reverting
>>> 5a2a6c428190f945c5cbf5791f72dbea83e97f66 fixes the issue.
>> From commit f1aff4bc199cb92c055668caed65505e3b4d2656 in Linus' master
>> branch:
>>
>> Fixes: 5a2a6c428190 ("dm: always update the array size in realloc_argv on
>> success")
>>
>> Bart.
> Hi
>
> Malte. do you see some kernel crashes in the log? The commit
> 5a2a6c428190f945c5cbf5791f72dbea83e97f66 could cause crashes, however I
> don't see how could it cause misbehavior (it is reading beyond the end of
> the allocated memory).
>
> How many device mapper devices are there in total?
>
> Does the commit f1aff4bc199cb92c055668caed65505e3b4d2656 fix it for you?
>
> Mikulas
There are 26 dm-devices. The system is running fine using -rc6, which
should include f1aff4bc199cb92c055668caed65505e3b4d2656. If you are
asking for crashes in -rc5, I do not remember and I do not have those
logs anymore.
/Malte
