Re: [PATCH 0/2] s390/ipl: Fix missing re-IPL parm blocks handling in dump paths

On Thu, Aug 13, 2026 at 01:06:52PM +0200, Vasily Gorbik wrote:
> HMC FTP boot and QEMU direct kernel boot do not provide an IPL parameter
> block. This can lead to NULL pointer dereferences during kdump and
> stand-alone dump processing.
> 
> Fix the kdump and stand-alone dump paths separately. kdump continues
> without a re-IPL parameter block, while the stand-alone dumper completes
> the dump and halts.
> 
> Vasily Gorbik (2):
>   s390/ipl: Fix NULL deref in kdump without re-IPL parm block
>   s390/ipl: Fix NULL deref in dump_reipl without re-IPL parm block
> 
>  arch/s390/kernel/ipl.c | 12 +++++++++---
>  1 file changed, 9 insertions(+), 3 deletions(-)

Applied