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-rw-r--r--sys/compat/linprocfs/linprocfs.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/sys/compat/linprocfs/linprocfs.c b/sys/compat/linprocfs/linprocfs.c
index ddbd8b4..692c5a3 100644
--- a/sys/compat/linprocfs/linprocfs.c
+++ b/sys/compat/linprocfs/linprocfs.c
@@ -1049,6 +1049,15 @@ linprocfs_doproccmdline(PFS_FILL_ARGS)
PROC_UNLOCK(p);
return (ret);
}
+
+ /*
+ * Mimic linux behavior and pass only processes with usermode
+ * address space as valid. Return zero silently otherwize.
+ */
+ if (p->p_vmspace == &vmspace0) {
+ PROC_UNLOCK(p);
+ return (0);
+ }
if (p->p_args != NULL) {
sbuf_bcpy(sb, p->p_args->ar_args, p->p_args->ar_length);
PROC_UNLOCK(p);
@@ -1073,6 +1082,15 @@ linprocfs_doprocenviron(PFS_FILL_ARGS)
PROC_UNLOCK(p);
return (ret);
}
+
+ /*
+ * Mimic linux behavior and pass only processes with usermode
+ * address space as valid. Return zero silently otherwize.
+ */
+ if (p->p_vmspace == &vmspace0) {
+ PROC_UNLOCK(p);
+ return (0);
+ }
PROC_UNLOCK(p);
ret = linprocfs_doargv(td, p, sb, ps_string_env);
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