On Fri, Apr 17, 2020 at 05:41:52PM -0500, Eric W. Biederman wrote: > > this series gets rid of playing with the address limit in the exec and > > coredump code. Most of this was fairly trivial, the biggest changes are > > those to the spufs coredump code. > > > > Changes since v1: > > - properly spell NUL > > - properly handle the compat siginfo case in ELF coredumps > > Quick question is exec from a kernel thread within the scope of what you > are looking at? > > There is a set_fs(USER_DS) in flush_old_exec whose sole purpose appears > to be to allow exec from kernel threads. Where the kernel threads > run with set_fs(KERNEL_DS) until they call exec. This series doesn't really look at that area. But I don't think exec from a kernel thread makes any sense, and cleaning up how to set the initial USER_DS vs KERNEL_DS state is something I'll eventually get to, it seems like a major mess at the moment.
