On Fri, Feb 5, 2021 at 2:56 AM Christian König wrote:
>
> Am 05.02.21 um 03:23 schrieb Kalesh Singh:
> > If a FD refers to a DMA buffer add the DMA buffer inode number to
> > /proc//fdinfo/ and /proc//task//fdindo/.
> >
> > The dmabuf inode number allows userspace t
info under PTRACE_MODE_READ_FSCRED.
Suggested-by: Jann Horn
Signed-off-by: Kalesh Singh
---
Changes in v2:
- Update patch desciption
fs/proc/base.c | 4 ++--
fs/proc/fd.c | 15 ++-
2 files changed, 16 insertions(+), 3 deletions(-)
diff --git a/fs/proc/base.c b/fs/proc/base.c
index b3
info under PTRACE_MODE_READ_FSCRED.
Suggested-by: Jann Horn
Signed-off-by: Kalesh Singh
---
Changes in v2:
- Update patch description
fs/proc/base.c | 4 ++--
fs/proc/fd.c | 15 ++-
2 files changed, 16 insertions(+), 3 deletions(-)
diff --git a/fs/proc/base.c b/fs/proc/base.c
index b3
On Thu, Jan 28, 2021 at 1:24 PM Kalesh Singh wrote:
>
> Android captures per-process system memory state when certain low memory
> events (e.g a foreground app kill) occur, to identify potential memory
> hoggers. In order to measure how much memory a process actually consumes,
>
interface to debugging environments and is not suitable
for production builds. Granting root privileges even to a system process
increases the attack surface and is highly undesirable.
This series proposes making the requirement to read fdinfo less strict
with PTRACE_MODE_READ.
Kalesh Singh (2)
The dmabuf inode number allows userspace to uniquely identify the buffer
and avoids a dependency on /proc//fd/* when accounting per-process
DMA buffer sizes.
Signed-off-by: Kalesh Singh
---
drivers/dma-buf/dma-buf.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/dma-buf/dma-buf.c b
On Wed, Jan 27, 2021 at 5:47 AM Jann Horn wrote:
>
> +jeffv from Android
>
> On Tue, Jan 26, 2021 at 11:51 PM Kalesh Singh wrote:
> > In order to measure how much memory a process actually consumes, it is
> > necessary to include the DMA buffer sizes for that process in t
Signed-off-by: Kalesh Singh
---
Documentation/filesystems/proc.rst | 30 ++
drivers/dma-buf/dma-buf.c | 7 +-
fs/proc/Makefile | 1 +
fs/proc/base.c | 1 +
fs/proc/dma_bufs.c | 159 +
fs/proc/
On Tue, Aug 04, 2020 at 02:09:13AM +0100, Al Viro wrote:
> On Mon, Aug 03, 2020 at 11:28:31PM +0100, Al Viro wrote:
>
> > IOW, what the hell is that horror for? You do realize, for example, that
> > there's
> > such thing as dup(), right? And dup2() as well. And while we are at it,
> > how
>
On Mon, Aug 03, 2020 at 11:32:39AM -0400, Steven Rostedt wrote:
> On Mon, 3 Aug 2020 14:47:19 +
> Kalesh Singh wrote:
>
> > +DECLARE_EVENT_CLASS(dma_buf_ref_template,
> > +
> > + TP_PROTO(struct task_struct *task, struct file *filp),
> &
On Mon, Aug 03, 2020 at 05:34:29PM +0100, Christoph Hellwig wrote:
> On Mon, Aug 03, 2020 at 02:47:18PM +0000, Kalesh Singh wrote:
> > Provides a per process hook for the acquisition of file descriptors,
> > despite the method used to obtain the descriptor.
> >
> >
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