Am Mittwoch, den 05.07.2017, 23:34 +0200 schrieb Richard Weinberger:
> Thomas,
>
> On Wed, May 24, 2017 at 12:45 AM, Thomas Meyer <tho...@m3y3r.de>
> wrote:
> > When ptrace fails to set GP/FP regs for the target process,
> > log the error before crashing the UML kernel.
> >
> > Signed-off-by: Thomas Meyer <tho...@m3y3r.de>
> > ---
> > arch/um/os-Linux/skas/process.c | 10 ++++++++--
> > 1 file changed, 8 insertions(+), 2 deletions(-)
> >
> > diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-
> > Linux/skas/process.c
> > index 4530867..819d686 100644
> > --- a/arch/um/os-Linux/skas/process.c
> > +++ b/arch/um/os-Linux/skas/process.c
> > @@ -352,11 +352,17 @@ void userspace(struct uml_pt_regs *regs)
> > * fail. In this case, there is nothing to do but
> > * just kill the process.
> > */
> > - if (ptrace(PTRACE_SETREGS, pid, 0, regs->gp))
> > + if (ptrace(PTRACE_SETREGS, pid, 0, regs->gp)) {
> > + printk(UM_KERN_ERR "userspace - ptrace set
> > regs "
> > + "failed, errno = %d\n", errno);
> > fatal_sigsegv();
> > + }
> >
> > - if (put_fp_registers(pid, regs->fp))
> > + if (put_fp_registers(pid, regs->fp)) {
> > + printk(UM_KERN_ERR "userspace - ptrace set
> > fp regs "
> > + "failed, errno = %d\n", errno);
> > fatal_sigsegv();
> > + }
> >
> > /* Now we set local_using_sysemu to be used for one
> > loop */
> > local_using_sysemu = get_using_sysemu();
> >
> > -----------------------------------------------------------------
> > -------------
> > Check out the vibrant tech community on one of the world's most
> > engaging tech sites, Slashdot.org! http://sdm.link/slashdot
> > _______________________________________________
> > User-mode-linux-devel mailing list
> > User-mode-linux-devel@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel
>
> This patch is also malformed. :-(
I wonder why evolution is messing up my emails...
will check and resend...
sorry and kind regards
thomas
>
------------------------------------------------------------------------------
Check out the vibrant tech community on one of the world's most
engaging tech sites, Slashdot.org! http://sdm.link/slashdot
_______________________________________________
User-mode-linux-devel mailing list
User-mode-linux-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel
