commit 6ece8e403defba39de057c630e570fb4372dfcbe Author: Greg Kroah-Hartman Date: Fri Feb 15 09:07:33 2019 +0100 Linux 4.9.158 commit 4a1802e3676635150f636427e2b917705f98ba64 Author: Linus Torvalds Date: Thu Feb 14 15:02:18 2019 -0800 Revert "exec: load_script: don't blindly truncate shebang string" commit cb5b020a8d38f77209d0472a0fea755299a8ec78 upstream. This reverts commit 8099b047ecc431518b9bb6bdbba3549bbecdc343. It turns out that people do actually depend on the shebang string being truncated, and on the fact that an interpreter (like perl) will often just re-interpret it entirely to get the full argument list. Reported-by: Samuel Dionne-Riel Acked-by: Kees Cook Cc: Oleg Nesterov Signed-off-by: Linus Torvalds Signed-off-by: Greg Kroah-Hartman