Searched hist:ef21187c0672a2b2cbec44f33bab9ec47d5c277c (Results 1 – 1 of 1) sorted by relevance
| /openbmc/linux/arch/arm/kernel/ |
| H A D | entry-armv.S | diff ef21187c0672a2b2cbec44f33bab9ec47d5c277c Wed Oct 23 07:04:44 CDT 2024 Linus Walleij <linus.walleij@linaro.org> ARM: 9430/1: entry: Do a dummy read from VMAP shadow
commit 44e9a3bb76e5f2eecd374c8176b2c5163c8bb2e2 upstream.
When switching task, in addition to a dummy read from the new
VMAP stack, also do a dummy read from the VMAP stack's
corresponding KASAN shadow memory to sync things up in
the new MM context.
Cc: stable@vger.kernel.org
Fixes: a1c510d0adc6 ("ARM: implement support for vmap'ed stacks")
Link: https://lore.kernel.org/linux-arm-kernel/a1a1d062-f3a2-4d05-9836-3b098de9db6d@foss.st.com/
Reported-by: Clement LE GOFFIC <clement.legoffic@foss.st.com>
Suggested-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|