On 03/05/16 18:42, Kees Cook wrote:
On Tue, May 3, 2016 at 10:25 AM, Janis Danisevskis wrote:
On 26/04/16 21:14, Kees Cook wrote:
On Tue, Apr 26, 2016 at 10:20 AM, Janis Danisevskis
wrote:
The PR_DUMPABLE flag causes the pid related paths of the
proc file system to be owned by ROOT
On 26/04/16 21:14, Kees Cook wrote:
On Tue, Apr 26, 2016 at 10:20 AM, Janis Danisevskis wrote:
The PR_DUMPABLE flag causes the pid related paths of the
proc file system to be owned by ROOT. The implementation
of pthread_set/getname_np however needs access to
/proc//task//comm.
If PR_DUMPABLE
the file "comm" that grants read and write access to
all threads of the same group regardless of the ownership
of the inode. For all other threads the function falls back
to the generic inode permission check.
Signed-off-by: Janis Danisevskis
---
fs/proc/b
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