[PATCH] remoteproc: avoid array index out of bounds in debugfs file

[Miles Chen]

Hi Xiaobing,

> There is a negative offset of an on-stack array that causes an out of
> bounds issue when someone called with a zero 'count' argument to
> syswrite().
> 
> 	buf[count - 1]
> 
> We should add an extra check in rproc_coredump_write() to prevent the
> access.
> 
> Signed-off-by: Xiaobing shi <xiaobing.shi at mediatek.com>

Thanks for the patch.
However, Alistair has fixed this issue:
https://lore.kernel.org/all/20220119232139.1125908-1-adelva@google.com/

Thanks,
Miles