Messages in this thread | | | From | (Eric W. Biederman) | Date | Fri, 17 Apr 2020 17:41:52 -0500 | Subject | Re: remove set_fs calls from the exec and coredump code v2 |
| |
Christoph Hellwig <hch@lst.de> writes:
> Hi all, > > 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.
Eric
| |