On Mon, May 15, 2017 at 03:37:42PM -0400, Nikolai Lifanov wrote: > On 05/15/2017 15:36, Alexey Dokuchaev wrote: > > On Mon, May 15, 2017 at 10:25:29PM +0300, Konstantin Belousov wrote: > >> ... > >> The most advanced explanation that I was given in private was among > >> the lines: "if you have an environment where users can upload content > >> to a shared server, but have no access to chmod(2), no compilers, no > >> scripting languages, etc." The person then admitted that (s)he does not > >> consider it as an actual concern. > > > > Would this now allow executing binaries (with or without +x bit) from > > filesystems mounted with -o noexec? > > No: > > # zfs create -o mountpoint=/mnt -o exec=off tank/TEST > # cp /bin/sh /mnt/ > # /mnt/sh > /mnt/sh: Permission denied. > # /libexec/ld-elf.so.1 /mnt/sh > /mnt/sh: mmap of data failed: Permission denied
Good, thanks for conducting this test Nikolai. ./danfe _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
