+-- On Tue, 29 Sep 2020, Li Qiang wrote --+
| P J P 于2020年9月29日周二 下午2:22写道：
| > +-- On Fri, 18 Sep 2020, Li Qiang wrote --+
| > | P J P 于2020年9月18日周五 下午6:26写道：
| > | > +-- On Fri, 18 Sep 2020, Li Qiang wrote --+
| > | > | Update v2: use an assert() call
| > | > |
P J P 于2020年9月29日周二 下午2:22写道：
>
> Hello Li,
>
> +-- On Fri, 18 Sep 2020, Li Qiang wrote --+
> | P J P 于2020年9月18日周五 下午6:26写道：
> | > +-- On Fri, 18 Sep 2020, Li Qiang wrote --+
> | > | Update v2: use an assert() call
> | > |
>
Hello Li,
+-- On Fri, 18 Sep 2020, Li Qiang wrote --+
| P J P
篋\x8E2020綛\xB49\xE6\x9C\x8818\xE6\x97ュ\x91\xA8篋\x94
筝\x8B\xE5\x8D\x886:26\xE5\x86\x99\xE9\x81\x93鐚\x9A
| > +-- On Fri, 18 Sep 2020, Li Qiang wrote --+
| > | Update v2: use an assert() call
| > |
P J P 于2020年9月18日周五 下午6:26写道：
>
> +-- On Fri, 18 Sep 2020, Li Qiang wrote --+
> | Update v2: use an assert() call
> | ->https://lists.nongnu.org/archive/html/qemu-devel/2020-08/msg08336.html
> ...
> | I think it is better to defer this check to 'ide_cancel_dma_sync'.
> | 'ide_cancel_dma_sync'
+-- On Fri, 18 Sep 2020, Li Qiang wrote --+
| Update v2: use an assert() call
| ->https://lists.nongnu.org/archive/html/qemu-devel/2020-08/msg08336.html
...
| I think it is better to defer this check to 'ide_cancel_dma_sync'.
| 'ide_cancel_dma_sync' is also called by 'cmd_device_reset' and all
P J P 于2020年9月4日周五 上午2:34写道：
>
> From: Prasad J Pandit
>
> When cancelling an i/o operation via ide_cancel_dma_sync(),
> a block pointer may be null. Add check to avoid null pointer
> dereference.
>
> -> https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Fide_nullptr1
>
+-- On Fri, 4 Sep 2020, P J P wrote --+
| From: Prasad J Pandit
|
| When cancelling an i/o operation via ide_cancel_dma_sync(),
| a block pointer may be null. Add check to avoid null pointer
| dereference.
|
| -> https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Fide_nullptr1
|
From: Prasad J Pandit
When cancelling an i/o operation via ide_cancel_dma_sync(),
a block pointer may be null. Add check to avoid null pointer
dereference.
-> https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Fide_nullptr1
==1803100==Hint: address points to the zero page.
#0 blk_bs
