Re: [PATCH 3/5] v2 seccomp_filters: Enable ftrace-based system callfiltering

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



* David Laight <David.Laight@xxxxxxxxxx> wrote:

> [...] unfortunately it worked by looking at the user-space buffers on system 
> call entry - and a multithreaded program can easily arrange to update them 
> after the initial check! [...]

Such problems of reliability/persistency of security checks is exactly one of 
my arguments why this should not be limited to the syscall boundary, if you 
read the example i have provided in this discussion.

Thanks,

	Ingo



[Index of Archives]     [Linux MIPS Home]     [LKML Archive]     [Linux ARM Kernel]     [Linux ARM]     [Linux]     [Git]     [Yosemite News]     [Linux SCSI]     [Linux Hams]

  Powered by Linux