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Jisheng Zhang e1bc326def riscv: define ILLEGAL_POINTER_VALUE for 64bit 
commit 5c178472af247c7b50f962495bb7462ba453b9fb upstream.

This is used in poison.h for poison pointer offset. Based on current
SV39, SV48 and SV57 vm layout, 0xdead000000000000 is a proper value
that is not mappable, this can avoid potentially turning an oops to
an expolit.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Fixes: fbe934d69eb7 ("RISC-V: Build Infrastructure")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240705170210.3236-1-jszhang@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-11-23 23:21:45 +01:00
..
boot
configs
include
kernel riscv: Fix fp alignment bug in perf_callchain_user() 2024-11-23 23:21:26 +01:00
lib
mm riscv/mm: Add handling for VM_FAULT_SIGSEGV in mm_fault_error() 2024-11-23 23:20:20 +01:00
net
Kbuild
Kconfig riscv: define ILLEGAL_POINTER_VALUE for 64bit 2024-11-23 23:21:45 +01:00
Kconfig.debug
Kconfig.socs
Makefile