diff -ru procps-ng-4.0.4.orig/library/devname.c procps-ng-4.0.4/library/devname.c

--- procps-ng-4.0.4.orig/library/devname.c	2023-07-11 11:09:18.436786212 +0200

+++ procps-ng-4.0.4/library/devname.c	2024-08-13 11:40:55.012140114 +0200

@@ -287,7 +287,7 @@

   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;

@@ -305,7 +305,7 @@

   char path[32];

   FILE *fp;

   char *lf;

-  sprintf (path, "/proc/%d/ctty", pid);  /* often permission denied */

+  sprintf (path, "/proc/sysproc/%d/ctty", pid);  /* often permission denied */

   fp = fopen (path, "r");

   if (!fp)

     return 0;

diff -ru procps-ng-4.0.4.orig/library/readproc.c procps-ng-4.0.4/library/readproc.c

--- procps-ng-4.0.4.orig/library/readproc.c	2023-07-11 11:09:18.436786212 +0200

+++ procps-ng-4.0.4/library/readproc.c	2024-08-13 11:38:26.689488350 +0200

@@ -1389,7 +1389,7 @@

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

             if (errno == 0) {

                 p->tid = p->tgid;

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

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

                 return 1;

             }

         }

@@ -1408,7 +1408,7 @@

       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;

@@ -1421,7 +1421,7 @@

   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/%.10s", p->tgid, ent->d_name);

+  snprintf(path, PROCPATHLEN, "/proc/sysproc/%d/task/%.10s", p->tgid, ent->d_name);

   return 1;

 }

@@ -1435,7 +1435,7 @@

   char *path = PT->path;

   if (pid) {

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

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

     p->tid = p->tgid = pid;        // this tgid may be a huge fib |

     /* the 'status' directory is the only place where we find the |

diff -ru procps-ng-4.0.4.orig/src/pidof.c procps-ng-4.0.4/src/pidof.c

--- procps-ng-4.0.4.orig/src/pidof.c	2023-08-15 13:02:25.783784823 +0200

+++ procps-ng-4.0.4/src/pidof.c	2024-08-13 11:31:47.634655407 +0200

@@ -124,7 +124,7 @@

 	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-ng-4.0.4.orig/src/pmap.c procps-ng-4.0.4/src/pmap.c

--- procps-ng-4.0.4.orig/src/pmap.c	2023-08-15 12:43:38.772140122 +0200

+++ procps-ng-4.0.4/src/pmap.c	2024-08-13 11:28:36.375534274 +0200

@@ -554,11 +554,11 @@

 	printf("%u:   %s\n", PIDS_VAL(tgid, s_int, p, Pids_info), PIDS_VAL(cmdline, str, p, Pids_info));

 	if (x_option || X_option || c_option) {

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

+		snprintf(buf, sizeof buf, "/proc/sysproc/%u/smaps", PIDS_VAL(tgid, s_int, p, Pids_info));

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

 			return 1;

 	} else {

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

+		snprintf(buf, sizeof buf, "/proc/sysproc/%u/maps", PIDS_VAL(tgid, s_int, p, Pids_info));

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

 			return 1;

 	}

diff -ru procps-ng-4.0.4.orig/src/ps/global.c procps-ng-4.0.4/src/ps/global.c

--- procps-ng-4.0.4.orig/src/ps/global.c	2023-08-16 00:54:03.759538026 +0200

+++ procps-ng-4.0.4/src/ps/global.c	2024-08-13 11:25:38.536358536 +0200

@@ -176,7 +176,7 @@

 const char     *bsd_v_format = (const char *)0xdeadbeef;

 int             bsd_c_option = -1;

 int             bsd_e_option = -1;

-unsigned        cached_euid = 0xffffffff;

+uid_t           cached_euid = 0xffffffff;

 int             cached_tty = -1;

 char            forest_prefix[4 * 32*1024 + 100];     // FIXME

 int             forest_type = -1;

diff -ru procps-ng-4.0.4.orig/src/pwdx.c procps-ng-4.0.4/src/pwdx.c

--- procps-ng-4.0.4.orig/src/pwdx.c	2023-07-11 11:09:18.464787022 +0200

+++ procps-ng-4.0.4/src/pwdx.c	2024-08-13 11:31:25.734756041 +0200

@@ -53,8 +53,8 @@

 	long pid;

 	char *end = NULL;

-	if (!strncmp("/proc/", input, 6))

-		skip = 6;

+	if (!strncmp("/proc/sysproc/", input, 14))

+		skip = 14;

 	errno = 0;

 	pid = strtol(input + skip, &end, 10);

@@ -122,7 +122,7 @@

 		 * 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]);