[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_c
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue |
Date: |
Thu, 9 Aug 2018 16:37:05 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 |
On 09/08/2018 16:24, Olaf Hering wrote:
> Am Thu, 9 Aug 2018 16:14:03 +0200 schrieb Olaf Hering
> <address@hidden>:
>
>> The codepaths behind qemu_ram_ptr_length can return NULL.
>
> While that might be a bug by itself, the question is why in that case
> no memset(buf, 0xff, l) is done?
If no RAM is allocated (i.e. xen_map_cache will return NULL), however,
the memory should not be registered as RAM with the memory API. So I
think the bug is in Xen code.
Paolo
signature.asc
Description: OpenPGP digital signature
- [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue, Olaf Hering, 2018/08/09
- Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue, Olaf Hering, 2018/08/09
- Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue,
Paolo Bonzini <=
- Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue, Olaf Hering, 2018/08/09
- Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue, Olaf Hering, 2018/08/09
- Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue, Paolo Bonzini, 2018/08/09
- Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue, Olaf Hering, 2018/08/09
- Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue, Paolo Bonzini, 2018/08/09
- Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue, Paolo Bonzini, 2018/08/10
- Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue, Olaf Hering, 2018/08/10
- Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue, Paolo Bonzini, 2018/08/10
- Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue, Olaf Hering, 2018/08/13
- Re: [Qemu-devel] [PATCH v1] exec: handle NULL pointer in flatview_read_continue, Paolo Bonzini, 2018/08/14