Re: [PATCH 5.4 29/33] net, sctp, filter: remap copy_from_user failure error

2021-01-23 Thread Greg Kroah-Hartman
On Fri, Jan 22, 2021 at 01:55:45PM -0300, Marcelo Ricardo Leitner wrote: > On Fri, Jan 22, 2021 at 03:12:45PM +0100, Greg Kroah-Hartman wrote: > > From: Daniel Borkmann > > > > [ no upstream commit ] > > > > Fix a potential kernel address leakage for the prerequisite where there is > > a BPF pro

Re: [PATCH 5.4 29/33] net, sctp, filter: remap copy_from_user failure error

2021-01-22 Thread Marcelo Ricardo Leitner
On Fri, Jan 22, 2021 at 03:12:45PM +0100, Greg Kroah-Hartman wrote: > From: Daniel Borkmann > > [ no upstream commit ] > > Fix a potential kernel address leakage for the prerequisite where there is > a BPF program attached to the cgroup/setsockopt hook. The latter can only > be attached under ro