diff -ru procps-3.3.17.orig/lib/nsutils.c procps-3.3.17/lib/nsutils.c

--- procps-3.3.17.orig/lib/nsutils.c	2021-02-09 11:11:25.000000000 +0100

+++ procps-3.3.17/lib/nsutils.c	2022-11-07 00:01:25.779153614 +0100

@@ -16,7 +16,7 @@

 	int i, rc = 0;

 	for (i = 0; i < NUM_NS; i++) {

-		snprintf(buff, sizeof(buff), "/proc/%i/ns/%s", pid,

+		snprintf(buff, sizeof(buff), "/proc/sysproc/%i/ns/%s", pid,

 			get_ns_name(i));

 		if (stat(buff, &st)) {

 			if (errno != ENOENT)

diff -ru procps-3.3.17.orig/pidof.c procps-3.3.17/pidof.c

--- procps-3.3.17.orig/pidof.c	2021-02-09 11:11:25.000000000 +0100

+++ procps-3.3.17/pidof.c	2022-11-07 00:01:45.927153736 +0100

@@ -117,7 +117,7 @@

 	ssize_t path_alloc_size;

 	ssize_t len;

-	snprintf(link, sizeof(link), "/proc/%d/%s", pid, base_name);

+	snprintf(link, sizeof(link), "/proc/sysproc/%d/%s", pid, base_name);

 	len = path_alloc_size = 0;

 	result = NULL;

diff -ru procps-3.3.17.orig/pmap.c procps-3.3.17/pmap.c

--- procps-3.3.17.orig/pmap.c	2021-02-09 11:11:25.000000000 +0100

+++ procps-3.3.17/pmap.c	2022-11-07 00:02:54.791154154 +0100

@@ -539,11 +539,11 @@

 	printf("%u:   %s\n", p->tgid, cmdbuf);

 	if (x_option || X_option || c_option) {

-		snprintf(buf, sizeof buf, "/proc/%u/smaps", p->tgid);

+		snprintf(buf, sizeof buf, "/proc/sysproc/%u/smaps", p->tgid);

 		if ((fp = fopen(buf, "r")) == NULL)

 			return 1;

 	} else {

-		snprintf(buf, sizeof buf, "/proc/%u/maps", p->tgid);

+		snprintf(buf, sizeof buf, "/proc/sysproc/%u/maps", p->tgid);

 		if ((fp = fopen(buf, "r")) == NULL)

 			return 1;

 	}

diff -ru procps-3.3.17.orig/proc/devname.c procps-3.3.17/proc/devname.c

--- procps-3.3.17.orig/proc/devname.c	2021-02-09 11:11:25.000000000 +0100

+++ procps-3.3.17/proc/devname.c	2022-11-06 23:54:22.462970842 +0100

@@ -289,7 +289,7 @@

   struct stat sbuf;

   char path[32];

   ssize_t count;

-  const int len = snprintf(path, sizeof path, "/proc/%d/%s", pid, name);  /* often permission denied */

+  const int len = snprintf(path, sizeof path, "/proc/sysproc/%d/%s", pid, name);  /* often permission denied */

   if(len <= 0 || (size_t)len >= sizeof path) return 0;

   count = readlink(path,buf,TTY_NAME_SIZE-1);

   if(count <= 0 || count >= TTY_NAME_SIZE-1) return 0;

diff -ru procps-3.3.17.orig/proc/escape.c procps-3.3.17/proc/escape.c

--- procps-3.3.17.orig/proc/escape.c	2021-02-09 11:11:25.000000000 +0100

+++ procps-3.3.17/proc/escape.c	2022-11-04 15:46:20.305190037 +0100

@@ -21,6 +21,7 @@

 #include <sys/types.h>

 #include <string.h>

 #include <limits.h>

+#include <langinfo.h>

 #include "procps.h"

 #include "escape.h"

 #include "readproc.h"

diff -ru procps-3.3.17.orig/proc/readproc.c procps-3.3.17/proc/readproc.c

--- procps-3.3.17.orig/proc/readproc.c	2021-02-09 11:11:25.000000000 +0100

+++ procps-3.3.17/proc/readproc.c	2022-11-06 23:57:14.382411315 +0100

@@ -883,7 +883,7 @@

 // warning: interface may change

 int read_cmdline(char *restrict const dst, unsigned sz, unsigned pid) {

     char path[PROCPATHLEN];

-    snprintf(path, sizeof(path), "/proc/%u", pid);

+    snprintf(path, sizeof(path), "/proc/sysproc/%u", pid);

     return read_unvectored(dst, sz, path, "cmdline", ' ');

 }

@@ -1239,7 +1239,7 @@

   }

   p->tgid = strtoul(ent->d_name, NULL, 10);

   p->tid = p->tgid;

-  snprintf(path, PROCPATHLEN, "/proc/%s", ent->d_name);

+  snprintf(path, PROCPATHLEN, "/proc/sysproc/%s", ent->d_name);

   return 1;

 }

@@ -1253,7 +1253,7 @@

       closedir(PT->taskdir);

     }

     // use "path" as some tmp space

-    snprintf(path, PROCPATHLEN, "/proc/%d/task", p->tgid);

+    snprintf(path, PROCPATHLEN, "/proc/sysproc/%d/task", p->tgid);

     PT->taskdir = opendir(path);

     if(!PT->taskdir) return 0;

     PT->taskdir_user = p->tgid;

@@ -1266,7 +1266,7 @@

   t->tid = strtoul(ent->d_name, NULL, 10);

   t->tgid = p->tgid;

 //t->ppid = p->ppid;  // cover for kernel behavior? we want both actually...?

-  snprintf(path, PROCPATHLEN, "/proc/%d/task/%s", p->tgid, ent->d_name);

+  snprintf(path, PROCPATHLEN, "/proc/sysproc/%d/task/%s", p->tgid, ent->d_name);

   return 1;

 }

@@ -1277,7 +1277,7 @@

   char *restrict const path = PT->path;

   pid_t tgid = *(PT->pids)++;

   if(likely(tgid)){

-    snprintf(path, PROCPATHLEN, "/proc/%d", tgid);

+    snprintf(path, PROCPATHLEN, "/proc/sysproc/%d", tgid);

     p->tgid = tgid;

     p->tid = tgid;  // they match for leaders

   }

@@ -1677,7 +1677,7 @@

     static char path[32];

     struct stat statbuf;

-    snprintf(path, sizeof path, "/proc/%d", pid);

+    snprintf(path, sizeof path, "/proc/sysproc/%d", pid);

     if (stat(path, &statbuf)) {

         perror("stat");

         return NULL;

diff -ru procps-3.3.17.orig/proc/sysinfo.c procps-3.3.17/proc/sysinfo.c

--- procps-3.3.17.orig/proc/sysinfo.c	2021-02-09 11:11:25.000000000 +0100

+++ procps-3.3.17/proc/sysinfo.c	2022-11-06 23:53:23.999176866 +0100

@@ -488,7 +488,7 @@

     char c;

     if (!isdigit(ent->d_name[0])) continue;

-    snprintf(tbuf, sizeof(tbuf), "/proc/%s/stat", ent->d_name);

+    snprintf(tbuf, sizeof(tbuf), "/proc/sysproc/%s/stat", ent->d_name);

     fd = open(tbuf, O_RDONLY, 0);

     if (fd == -1) continue;

diff -ru procps-3.3.17.orig/proc/wchan.c procps-3.3.17/proc/wchan.c

--- procps-3.3.17.orig/proc/wchan.c	2021-02-09 11:11:25.000000000 +0100

+++ procps-3.3.17/proc/wchan.c	2022-11-06 23:55:15.750410595 +0100

@@ -32,7 +32,7 @@

    ssize_t num;

    int fd;

-   snprintf(buf, sizeof buf, "/proc/%d/wchan", pid);

+   snprintf(buf, sizeof buf, "/proc/sysproc/%d/wchan", pid);

    fd = open(buf, O_RDONLY);

    if (fd==-1) return "?";

diff -ru procps-3.3.17.orig/ps/output.c procps-3.3.17/ps/output.c

--- procps-3.3.17.orig/ps/output.c	2021-02-09 11:11:25.000000000 +0100

+++ procps-3.3.17/ps/output.c	2022-11-06 23:59:52.026412271 +0100

@@ -1229,7 +1229,7 @@

     int fd;

     u_int32_t luid;

-    snprintf(filename, sizeof filename, "/proc/%d/loginuid", pp->tgid);

+    snprintf(filename, sizeof filename, "/proc/sysproc/%d/loginuid", pp->tgid);

     if ((fd = open(filename, O_RDONLY, 0)) != -1) {

         num_read = read(fd, outbuf, OUTBUF_SIZE - 1);

@@ -1255,7 +1255,7 @@

     char filename[48];

     ssize_t num_read;

-    snprintf(filename, sizeof filename, "/proc/%d/exe", pp->tgid);

+    snprintf(filename, sizeof filename, "/proc/sysproc/%d/exe", pp->tgid);

     num_read = readlink(filename, outbuf, OUTBUF_SIZE-1);

     if (num_read > 0) {

@@ -1371,7 +1371,7 @@

 // wchan file is suitable for testing

 //snprintf(filename, sizeof filename, "/proc/%d/wchan", pp->tgid);

-    snprintf(filename, sizeof filename, "/proc/%d/attr/current", pp->tgid);

+    snprintf(filename, sizeof filename, "/proc/sysproc/%d/attr/current", pp->tgid);

     if ((fd = open(filename, O_RDONLY, 0)) != -1) {

       num_read = read(fd, outbuf, OUTBUF_SIZE-1);

diff -ru procps-3.3.17.orig/pwdx.c procps-3.3.17/pwdx.c

--- procps-3.3.17.orig/pwdx.c	2021-02-09 11:11:25.000000000 +0100

+++ procps-3.3.17/pwdx.c	2022-11-07 00:00:51.339153405 +0100

@@ -118,7 +118,7 @@

 		 * the first char is possible

 		 */

 		if (argv[i][0] != '/')

-			snprintf(buf, buflen, "/proc/%s/cwd", argv[i]);

+			snprintf(buf, buflen, "/proc/sysproc/%s/cwd", argv[i]);

 		else

 			snprintf(buf, buflen, "%s/cwd", argv[i]);

diff -ru procps-3.3.17.orig/skill.c procps-3.3.17/skill.c

--- procps-3.3.17.orig/skill.c	2021-02-09 11:11:25.000000000 +0100

+++ procps-3.3.17/skill.c	2022-11-07 00:00:34.811153304 +0100

@@ -181,7 +181,7 @@

 	if (pid == my_pid || pid == 0)

 		return;

 	/* pid (cmd) state ppid pgrp session tty */

-	sprintf(buf, "/proc/%d/stat", pid);

+	sprintf(buf, "/proc/sysproc/%d/stat", pid);

 	fd = open(buf, O_RDONLY);

 	if (fd == -1) {

 		/* process exited maybe */

diff -ru procps-3.3.17.orig/w.c procps-3.3.17/w.c

--- procps-3.3.17.orig/w.c	2021-02-09 11:11:25.000000000 +0100

+++ procps-3.3.17/w.c	2022-11-04 15:46:20.305190037 +0100

@@ -55,11 +55,7 @@

 #include <termios.h>

 #include <time.h>

 #include <unistd.h>

-#ifdef HAVE_UTMPX_H

-#	include <utmpx.h>

-#else

-#	include <utmp.h>

-#endif

+#include <utmp.h>

 #include <arpa/inet.h>

 static int ignoreuser = 0;	/* for '-u' */