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24a71ce5c4
linux/fs/proc
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Alexey Gladkov 24a71ce5c4 proc: instantiate only pids that we can ptrace on 'hidepid=4' mount option 
If "hidepid=4" mount option is set then do not instantiate pids that
we can not ptrace. "hidepid=4" means that procfs should only contain
pids that the caller can ptrace.

Signed-off-by: Djalal Harouni <tixxdz@gmail.com>
Signed-off-by: Alexey Gladkov <gladkov.alexey@gmail.com>
Reviewed-by: Alexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2020-04-22 10:51:21 -05:00
..
array.c proc: speed up /proc/*/statm 2020-04-07 10:43:42 -07:00
base.c proc: instantiate only pids that we can ptrace on 'hidepid=4' mount option 2020-04-22 10:51:21 -05:00
bootconfig.c proc: bootconfig: Add /proc/bootconfig to show boot config list 2020-01-13 13:19:39 -05:00
cmdline.c
consoles.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 191 2019-05-30 11:29:21 -07:00
cpuinfo.c proc: faster open/read/close with "permanent" files 2020-04-07 10:43:42 -07:00
devices.c
fd.c proc: use "unsigned int" in proc_fill_cache() 2018-06-07 17:34:38 -07:00
fd.h
generic.c proc: faster open/read/close with "permanent" files 2020-04-07 10:43:42 -07:00
inode.c proc: allow to mount many instances of proc in one pid namespace 2020-04-22 10:51:21 -05:00
internal.h proc: faster open/read/close with "permanent" files 2020-04-07 10:43:42 -07:00
interrupts.c
Kconfig x86/resctrl: Add task resctrl information display 2020-01-20 16:19:10 +01:00
kcore.c proc: convert everything to "struct proc_ops" 2020-02-04 03:05:26 +00:00
kmsg.c proc: faster open/read/close with "permanent" files 2020-04-07 10:43:42 -07:00
loadavg.c sched: loadavg: consolidate LOAD_INT, LOAD_FRAC, CALC_LOAD 2018-10-26 16:26:32 -07:00
Makefile proc: bootconfig: Add /proc/bootconfig to show boot config list 2020-01-13 13:19:39 -05:00
meminfo.c proc/meminfo: fix output alignment 2019-10-19 06:32:32 -04:00
namespaces.c Merge branch 'work.openat2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-01-29 11:20:24 -08:00
nommu.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
page.c proc: convert everything to "struct proc_ops" 2020-02-04 03:05:26 +00:00
proc_net.c proc: decouple proc from VFS with "struct proc_ops" 2020-02-04 03:05:26 +00:00
proc_sysctl.c proc: Use d_invalidate in proc_prune_siblings_dcache 2020-02-24 09:50:04 -06:00
proc_tty.c
root.c proc: instantiate only pids that we can ptrace on 'hidepid=4' mount option 2020-04-22 10:51:21 -05:00
self.c proc: allow to mount many instances of proc in one pid namespace 2020-04-22 10:51:21 -05:00
softirqs.c
stat.c proc: faster open/read/close with "permanent" files 2020-04-07 10:43:42 -07:00
task_mmu.c proc: inline m_next_vma into m_next 2020-04-07 10:43:42 -07:00
task_nommu.c proc: use down_read_killable mmap_sem for /proc/pid/maps 2019-07-12 11:05:46 -07:00
thread_self.c proc: allow to mount many instances of proc in one pid namespace 2020-04-22 10:51:21 -05:00
uptime.c fs/proc: Respect boottime inside time namespace for /proc/uptime 2020-01-14 12:20:56 +01:00
util.c fs/proc/util.c: include fs/proc/internal.h for name_to_int() 2019-01-04 13:13:45 -08:00
version.c
vmcore.c proc: convert everything to "struct proc_ops" 2020-02-04 03:05:26 +00:00