On Wed, Feb 21, 2024 at 11:29:38AM +0000, Russell King (Oracle) wrote: > On Tue, Feb 20, 2024 at 10:39:15PM -0800, Kees Cook wrote: > > On Mon, Jan 22, 2024 at 05:12:38PM -0800, Kees Cook wrote: > > > Under PAN emulation when dumping backtraces from things like the > > > LKDTM EXEC_USERSPACE test[1], a double fault (which would hang a CPU) > > > would happen because of dump_instr() attempting to read a userspace > > > address. Make sure copy_from_kernel_nofault() does not attempt this > > > any more. > > > > > > Reported-by: Mark Brown <[email protected]> > > > Link: https://lore.kernel.org/all/202401181125.D48DCB4C@keescook/ [1] > > > Suggested-by: "Russell King (Oracle)" <[email protected]> > > > Cc: Russell King <[email protected]> > > > Cc: Ard Biesheuvel <[email protected]> > > > Cc: Wang Kefeng <[email protected]> > > > Cc: Andrew Morton <[email protected]> > > > Cc: Ben Hutchings <[email protected]> > > > Cc: [email protected] > > > Signed-off-by: Kees Cook <[email protected]> > > > > Russell, do you mind if I carry in my tree the 3 ARM patches I sent? > > They're mostly pretty trivial, and they've been in "Incoming"[1] for 2 > > weeks but haven't shown up in -next yet. I'd really like them to get > > some soak time, and for them to reach the v6.9 merge window in time. > > They can't show up in -next at the moment because the machine that hosts > my git tree is being moved between data centres. This was originally > flagged as a same-day (Tuesday) move, then next day, then it'll be back > online on Saturday. That's the last update that we've had. > > As I don't believe my GPG key has the necessary signatures on, I don't > believe I can get a kernel.org account. I'm not even sure whether my > gpg key is even correct for that - and at the moment I just glaze over > reading the kernel.org gpg documentation.
I'll also point out that over the last two weeks, the first week I was in Cambridge attending a conference at Arm Ltd, and then I went down with full blown flu shortly there-after. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!
