On 11/20/24 03:17, Song Chen wrote:
> Hi Petr,
>
> 在 2024/11/18 20:54, Petr Pavlu 写道:
>> On 11/13/24 03:15, Song Chen wrote:
>>> 在 2024/11/12 20:56, Petr Pavlu 写道:
On 11/10/24 12:42, Song Chen wrote:
> Sometimes when kernel calls request_module to load a module
> into kernel space, it
On Mon, Nov 18, 2024 at 01:54:14PM +0100, Petr Pavlu wrote:
> I'm however not sure about rejecting empty strings as is also done by
> the patch. Consider a call to request_module("mod%s", suffix) where the
> suffix could be empty to select the default variant, or non-empty to
> select e.g. some opt
Hi Petr,
在 2024/11/18 20:54, Petr Pavlu 写道:
On 11/13/24 03:15, Song Chen wrote:
在 2024/11/12 20:56, Petr Pavlu 写道:
On 11/10/24 12:42, Song Chen wrote:
Sometimes when kernel calls request_module to load a module
into kernel space, it doesn't pass the module name appropriately,
and request_modu
On 11/13/24 03:15, Song Chen wrote:
> 在 2024/11/12 20:56, Petr Pavlu 写道:
>> On 11/10/24 12:42, Song Chen wrote:
>>> Sometimes when kernel calls request_module to load a module
>>> into kernel space, it doesn't pass the module name appropriately,
>>> and request_module doesn't verify it as well.
>>>
Hi Petr,
Please see my inline comments, many thanks.
BR
Song
在 2024/11/12 20:56, Petr Pavlu 写道:
On 11/10/24 12:42, Song Chen wrote:
Sometimes when kernel calls request_module to load a module
into kernel space, it doesn't pass the module name appropriately,
and request_module doesn't verify
On 11/10/24 12:42, Song Chen wrote:
> Sometimes when kernel calls request_module to load a module
> into kernel space, it doesn't pass the module name appropriately,
> and request_module doesn't verify it as well.
>
> As a result, modprobe is invoked anyway and spend a lot of time
> searching a no
Sometimes when kernel calls request_module to load a module
into kernel space, it doesn't pass the module name appropriately,
and request_module doesn't verify it as well.
As a result, modprobe is invoked anyway and spend a lot of time
searching a nonsense name.
For example reported from a custom
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