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from 9fb4c5250f10 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/l [...] new 568776f992c4 zonefs: Replace uuid_copy() with import_uuid() new d77d1dbba955 Merge tag 'zonefs-5.8-rc1' of git://git.kernel.org/pub/scm [...] new 00e0afb658bf fsnotify: Add missing annotation for fsnotify_finish_user_ [...] new 7b26aa243d3c inotify: Fix error return code assignment flow. new 374ad001f762 fanotify: Replace zero-length array with flexible-array new ab3c4da0ad12 fanotify: prefix should_merge() new 191e1656d18c fsnotify: add mutex destroy new c5e443cb7b6c fanotify: remove reference to fill_event_metadata() new 5a449099b9d5 fsnotify: Remove proc_fs.h include new 5e23663b49e1 fanotify: don't write with size under sizeof(response) new 2f02fd3fa13e fanotify: fix ignore mask logic for events on child and on dir new 07c8f3bfef16 Merge tag 'fsnotify_for_v5.8-rc1' of git://git.kernel.org/ [...] new 8939a3af5c08 ext2: Fix i_op setting for special inode new 91a087153d9d ext2: code cleanup by removing ifdef macro surrounding new 5626de1e96f7 reiserfs: Replace kmalloc with kcalloc in the comment new 051c3556e3d6 Merge tag 'for_v5.8-rc1' of git://git.kernel.org/pub/scm/l [...] new c59f415a7cb6 Use proc_pid_ns() to get pid_namespace from the proc superblock new 1e88c420190b proc: rename struct proc_fs_info to proc_fs_opts new fa10fed30f25 proc: allow to mount many instances of proc in one pid namespace new 24a71ce5c47f proc: instantiate only pids that we can ptrace on 'hidepid [...] new 6814ef2d992a proc: add option to mount only a pids subset new 37e7647a7212 docs: proc: add documentation for "hidepid=4" and "subset= [...] new 1c6c4d112e81 proc: use human-readable values for hidepid new e61bb8b36a28 proc: use named enums for better readability new 0fb5ce62c592 proc: modernize proc to support multiple private instances new 3147d8aaa03e proc: Use PIDTYPE_TGID in next_tgid new 35fc0e3b0bd5 rculist: Add hlists_swap_heads_rcu new 6b03d1304a32 proc: Ensure we see the exit of each process tid exactly once new 507122805edd proc: Ensure we see the exit of each process tid exactly new 8feebc6713cd posix-cpu-timer: Tidy up group_leader logic in lookup_task new c7f5194054e1 posix-cpu-timer: Unify the now redundant code in lookup_task new 610b818856e1 exec: Remove BUG_ON(has_group_leader_pid) new bbd40fc4816d signal: Remove has_group_leader_pid new 06576edd0e80 Removing has_group_leader_pid new 1dd694a1b72f remove the no longer needed pid_alive() check in __task_pi [...] new 9bf7c3240935 posix-cpu-timers: Extend rcu_read_lock removing task_struc [...] new fece98260f31 posix-cpu-timers: Replace cpu_timer_pid_type with clock_pid_type new 964987738b3f posix-cpu-timers: Replace __get_task_for_clock with pid_for_clock new 2dd8083f6d8a posix-cpu-timers: Use pids not tasks in lookup new 9d78edeaec75 proc: proc_pid_ns takes super_block as an argument new 9ff7258575d5 Merge branch 'proc-linus' of git://git.kernel.org/pub/scm/ [...] new e7f7785449a1 binfmt: Move install_exec_creds after setup_new_exec to ma [...] new 89826cce3754 exec: Make unlocking exec_update_mutex explict new 1507b7a30ad2 exec: Rename the flag called_exec_mmap point_of_no_return new 96ecee29b0b5 exec: Merge install_exec_creds into setup_new_exec new 7d503feba0c8 exec: In setup_new_exec cache current in the local variable me new df9e4d2c4a53 exec: Move most of setup_new_exec into flush_old_exec new 2388777a0a59 exec: Rename flush_old_exec begin_new_exec new b213c2dcbcbc exec: Promised cleanups after introducing exec_update_mutex new 7a60ef4803d5 exec: Move the comment from above de_thread to above unsha [...] new 13c432b51449 exec: Fix spelling of search_binary_handler in a comment new a28bf136e651 exec: Run sync_mm_rss before taking exec_update_mutex new 8890b29341f3 exec: Move handling of the point of no return to the top level new 6834e0bb41bb exec: Set the point of no return sooner new 27e68f086393 exec: Trivial cleanups for exec new b127c16d0603 Merge f87d1c955916 ("exec: Move would_dump into flush_old_exec") new 87b047d2be41 exec: Teach prepare_exec_creds how exec treats uids & gids new b8bff599261c exec: Factor security_bprm_creds_for_exec out of security_ [...] new 112b7147592e exec: Convert security_bprm_set_creds into security_bprm_r [...] new a16b3357b2b8 exec: Allow load_misc_binary to call prepare_binprm uncond [...] new 8b72ca9004ed exec: Move the call of prepare_binprm into search_binary_handler new ccbb18b67323 exec/binfmt_script: Don't modify bprm->buf and then return [...] new b8a61c9e7b4a exec: Generic execfd support new bc2bf338d54b exec: Remove recursion from search_binary_handler new 9d9488d4d7c8 exec: Control flow simplifications new b081320f0693 selftests/exec: Add binfmt_script regression test new 011593480d29 binfmt_elf_fdpic: fix execfd build regression new e32f88790195 Merge commit a4ae32c71fe9 ("exec: Always set cap_ambient i [...] new a7868323c263 exec: Add a per bprm->file version of per_clear new 56305aa9b6fa exec: Compute file based creds only once new 3977e285ee89 exec: Remove the recomputation of bprm->cred new 15a2bc4dbb9c Merge branch 'exec-linus' of git://git.kernel.org/pub/scm/ [...]

The 72 revisions listed above as "new" are entirely new to this repository and will be described in separate emails. The revisions listed as "adds" were already present in the repository and have only been added to this reference.

Summary of changes: Documentation/filesystems/proc.rst | 92 ++++-- Documentation/trace/ftrace.rst | 2 +- arch/alpha/kernel/binfmt_loader.c | 11 +- arch/x86/ia32/ia32_aout.c | 4 +- fs/binfmt_aout.c | 3 +- fs/binfmt_elf.c | 7 +- fs/binfmt_elf_fdpic.c | 9 +- fs/binfmt_em86.c | 13 +- fs/binfmt_flat.c | 4 +- fs/binfmt_misc.c | 69 +---- fs/binfmt_script.c | 82 +++--- fs/exec.c | 322 +++++++++++---------- fs/ext2/file.c | 2 - fs/ext2/namei.c | 6 - fs/ext2/symlink.c | 4 - fs/ext2/xattr.h | 1 + fs/locks.c | 4 +- fs/notify/fanotify/fanotify.c | 9 +- fs/notify/fanotify/fanotify.h | 2 +- fs/notify/fanotify/fanotify_user.c | 8 +- fs/notify/fdinfo.c | 1 - fs/notify/group.c | 1 + fs/notify/inotify/inotify_user.c | 4 +- fs/notify/mark.c | 6 +- fs/proc/array.c | 2 +- fs/proc/base.c | 74 ++--- fs/proc/generic.c | 9 + fs/proc/inode.c | 30 +- fs/proc/root.c | 131 +++++++-- fs/proc/self.c | 8 +- fs/proc/thread_self.c | 8 +- fs/proc_namespace.c | 14 +- fs/reiserfs/inode.c | 2 +- fs/zonefs/super.c | 2 +- include/linux/binfmts.h | 45 +-- include/linux/lsm_hook_defs.h | 3 +- include/linux/lsm_hooks.h | 56 ++-- include/linux/pid.h | 1 + include/linux/pid_namespace.h | 12 - include/linux/proc_fs.h | 32 +- include/linux/rculist.h | 21 ++ include/linux/sched/signal.h | 11 - include/linux/security.h | 15 +- kernel/cred.c | 3 + kernel/events/core.c | 2 +- kernel/fork.c | 2 +- kernel/pid.c | 22 +- kernel/time/posix-cpu-timers.c | 111 +++---- net/ipv6/ip6_flowlabel.c | 2 +- security/apparmor/domain.c | 7 +- security/apparmor/include/domain.h | 2 +- security/apparmor/lsm.c | 2 +- security/commoncap.c | 23 +- security/security.c | 9 +- security/selinux/hooks.c | 8 +- security/smack/smack_lsm.c | 9 +- security/tomoyo/realpath.c | 4 +- security/tomoyo/tomoyo.c | 12 +- tools/testing/selftests/exec/Makefile | 1 + tools/testing/selftests/exec/binfmt_script | 171 +++++++++++ tools/testing/selftests/proc/.gitignore | 2 + tools/testing/selftests/proc/Makefile | 2 + .../testing/selftests/proc/proc-fsconfig-hidepid.c | 50 ++++ .../testing/selftests/proc/proc-multiple-procfs.c | 48 +++ 64 files changed, 1015 insertions(+), 619 deletions(-) create mode 100755 tools/testing/selftests/exec/binfmt_script create mode 100644 tools/testing/selftests/proc/proc-fsconfig-hidepid.c create mode 100644 tools/testing/selftests/proc/proc-multiple-procfs.c