Increase of BINPRM_BUF_SIZE to 256 increases the limit on the possible
interpreter line length for scripts to 255.
The relevant kernel commit
is 6eb3c3d0a52dca33 ("exec: increase BINPRM_BUF_SIZE to 256").
Signed-off-by: Eugene Syromiatnikov <esyr@xxxxxxxxxx>
---
man2/execve.2 | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/man2/execve.2 b/man2/execve.2
index 468c7c1..e9f956e 100644
--- a/man2/execve.2
+++ b/man2/execve.2
@@ -633,8 +633,10 @@ prototype:
.in
.\"
.SS Interpreter scripts
-A maximum line length of 127 characters is allowed for the first line in
-an interpreter script.
+Before Linux 5.1, a maximum line length of 127 characters was allowed
+for the first line in an interpreter script.
+.\" commit 6eb3c3d0a52dca337e327ae8868ca1f44a712e02
+In Linux 5.1 onwards, this limit was increased up to 255 characters.
.PP
The semantics of the
.I optional-arg
--
2.1.4
