Reporting eip and esp fields on a non-current task is dangerous, so backport this series for 4.4 to fix protential oops and info leak problems. The first 3 patch are depended on the 6/7 patch. Alexey Dobriyan (1): proc: fix coredump vs read /proc/*/stat race Andy Lutomirski (3): sched/core: Allow putting thread_info into task_struct sched/core: Add try_get_task_stack() and put_task_stack() fs/proc: Stop reporting eip and esp in /proc/PID/stat Heiko Carstens (1): sched/core, x86: Make struct thread_info arch specific again John Ogness (2): fs/proc: Report eip/esp in /prod/PID/stat for coredumping fs/proc/array.c: allow reporting eip/esp for all coredumping threads fs/proc/array.c | 18 ++++++++++--- include/linux/init_task.h | 9 +++++++ include/linux/sched.h | 52 +++++++++++++++++++++++++++++++++++-- include/linux/thread_info.h | 4 +++ init/Kconfig | 10 +++++++ init/init_task.c | 7 +++-- kernel/sched/sched.h | 4 +++ 7 files changed, 97 insertions(+), 7 deletions(-) -- 2.17.2
