The original implementation of PR_SET_MM_EXE_FILE only allowed it to be used
once in a process's lifetime. This restriction was lifted in Linux commit
3fb4afd9a504c2386b8435028d43283216bf588e ("prctl: remove one-shot limitation for
changing exe link").
---
man2/prctl.2 | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/man2/prctl.2 b/man2/prctl.2
index 071049d48..f5bab568e 100644
--- a/man2/prctl.2
+++ b/man2/prctl.2
@@ -648,11 +648,10 @@ memory area for the ELF
.IR \.text
section).
.IP
-The second limitation is that such transitions can be done only once
-in a process life time.
-Any further attempts will be rejected.
-This should help system administrators monitor unusual
-symbolic-link transitions over all processes running on a system.
+.\" commit 3fb4afd9a504c2386b8435028d43283216bf588e
+Before Linux 4.9, the
+.BR PR_SET_MM_EXE_FILE
+operation could only be performed once in a process's lifetime.
.PP
The following options are available since Linux 3.18.
.\" commit f606b77f1a9e362451aca8f81d8f36a3a112139e
--
2.19.1
