On 7/25/18 7:46 PM, Mauricio Faria de Oliveira wrote:
> We've recently received a disk image from an AIX LUN that when
> attached on Linux displayed errors on console, then eventually
> hung the system.
>
> Apparently the LUN was originally installed with AIX and later
> exercised with some I/O stress/overwrites which caused certain
> bits to be wrong in just the right way for Linux to get a NULL
> pointer and invalid data.
>
> This is the test-case used ('--partscan' is the important bit).
> $ sudo losetup --show --find --partscan aix-lun.img
>
> Patch 1 resolves the particular problem the disk image has.
> Patch 2 improves the code a bit further (tested synthetically).
>
> Mauricio Faria de Oliveira (2):
> partitions/aix: fix usage of uninitialized lv_info and lvname
> structures
> partitions/aix: append null character to print data from disk
>
> block/partitions/aix.c | 13 +++++++++----
> 1 file changed, 9 insertions(+), 4 deletions(-)
Looks good to me, I have applied for 4.19.
--
Jens Axboe
