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| author | Alexey Gladkov <gladkov.alexey@gmail.com> | 2020-04-19 17:10:54 +0300 |
|---|---|---|
| committer | Eric W. Biederman <ebiederm@xmission.com> | 2020-04-22 18:51:22 +0300 |
| commit | 6814ef2d992af09451bbeda4770daa204461329e (patch) | |
| tree | a0f3fad657964e61bc5c04e4add4e1255b33b7ed /include/linux/proc_fs.h | |
| parent | 24a71ce5c47f6b1b3cdacf544cb24220f5c3b7ef (diff) | |
| download | linux-6814ef2d992af09451bbeda4770daa204461329e.tar.xz | |
proc: add option to mount only a pids subset
This allows to hide all files and directories in the procfs that are not
related to tasks.
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>
Diffstat (limited to 'include/linux/proc_fs.h')
| -rw-r--r-- | include/linux/proc_fs.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h index 5bdc117ae947..8bc31ba5cd9c 100644 --- a/include/linux/proc_fs.h +++ b/include/linux/proc_fs.h @@ -50,12 +50,19 @@ enum { HIDEPID_NOT_PTRACEABLE = 4, /* Limit pids to only ptraceable pids */ }; +/* definitions for proc mount option pidonly */ +enum { + PROC_PIDONLY_OFF = 0, + PROC_PIDONLY_ON = 1, +}; + struct proc_fs_info { struct pid_namespace *pid_ns; struct dentry *proc_self; /* For /proc/self */ struct dentry *proc_thread_self; /* For /proc/thread-self */ kgid_t pid_gid; int hide_pid; + int pidonly; }; static inline struct proc_fs_info *proc_sb_info(struct super_block *sb) |