qemu/linux-user
Rémi Denis-Courmont 0acd4ab849 linux-user: check valid address in access_ok()
Fix a crash with LTP testsuite and aarch64:

  tst_test.c:1015: INFO: Timeout per run is 0h 05m 00s
  qemu-aarch64: .../qemu/accel/tcg/translate-all.c:2522: page_check_range: Assertion `start < ((target_ulong)1 << L1_MAP_ADDR_SPACE_BITS)' failed.
  qemu:handle_cpu_signal received signal outside vCPU context @ pc=0x60001554

page_check_range() should never be called with address outside the guest
address space. This patch adds a guest_addr_valid() check in access_ok()
to only call page_check_range() with a valid address.

Fixes: f6768aa1b4 ("target/arm: fix AArch64 virtual address space size")
Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20190704084115.24713-1-lvivier@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2019-07-18 13:57:28 +02:00
..
aarch64 Supply missing header guards 2019-06-12 13:20:21 +02:00
alpha Supply missing header guards 2019-06-12 13:20:21 +02:00
arm semihosting: split console_out into string and char versions 2019-06-12 17:53:22 +01:00
cris Supply missing header guards 2019-06-12 13:20:21 +02:00
generic linux-user: Introduce TARGET_HAVE_ARCH_STRUCT_FLOCK 2019-07-02 16:56:46 +02:00
host linux-user: Add safe_syscall for riscv64 host 2018-12-26 06:40:02 +11:00
hppa Supply missing header guards 2019-06-12 13:20:21 +02:00
i386 Supply missing header guards 2019-06-12 13:20:21 +02:00
m68k linux-user/m68k: remove simulator syscall interface 2019-06-26 17:14:41 +02:00
microblaze Supply missing header guards 2019-06-12 13:20:21 +02:00
mips linux-user: Fix structure target_ucontext for MIPS 2019-07-16 18:37:13 +02:00
mips64 Supply missing header guards 2019-06-12 13:20:21 +02:00
nios2 Supply missing header guards 2019-06-12 13:20:21 +02:00
openrisc Supply missing header guards 2019-06-12 13:20:21 +02:00
ppc linux-user: set default PPC64 CPU 2019-06-24 23:10:36 +02:00
riscv RISC-V: Update syscall list for 32-bit support. 2019-06-25 22:37:08 -07:00
s390x Supply missing header guards 2019-06-12 13:20:21 +02:00
sh4 Supply missing header guards 2019-06-12 13:20:21 +02:00
sparc Supply missing header guards 2019-06-12 13:20:21 +02:00
sparc64 Supply missing header guards 2019-06-12 13:20:21 +02:00
tilegx Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
x86_64 Supply missing header guards 2019-06-12 13:20:21 +02:00
xtensa Supply missing header guards 2019-06-12 13:20:21 +02:00
cpu_loop-common.h cpu: Replace ENV_GET_CPU with env_cpu 2019-06-10 07:03:34 -07:00
elfload.c linux-user: update PPC64 HWCAP2 feature list 2019-06-24 23:10:07 +02:00
errno_defs.h Supply missing header guards 2019-06-12 13:20:21 +02:00
exit.c linux-user: fix GPROF build failure 2019-05-10 12:44:23 +02:00
fd-trans.c linux-user: move QEMU_IFLA_BR_MULTI_BOOLOPT to the good function 2019-07-02 16:56:46 +02:00
fd-trans.h linux-user: move TargetFdTrans functions to their own file 2018-09-25 22:36:47 +02:00
flat.h Supply missing header guards 2019-06-12 13:20:21 +02:00
flatload.c linux-user/flatload: fix initial stack pointer alignment 2018-10-30 11:23:32 -07:00
ioctls.h linux-user: Add support for SIOC<G|S>IFPFLAGS ioctls for all targets 2019-05-22 20:50:55 +02:00
linux_loop.h linux-user: Add loop control ioctls 2016-07-19 15:22:33 +03:00
linuxload.c avoid TABs in files that only contain a few 2019-01-11 15:46:56 +01:00
main.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
Makefile.objs linux-user/m68k: remove simulator syscall interface 2019-06-26 17:14:41 +02:00
mmap.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
qemu.h linux-user: check valid address in access_ok() 2019-07-18 13:57:28 +02:00
safe-syscall.S linux-user: Provide safe_syscall for fixing races between signals and syscalls 2016-05-27 14:49:51 +03:00
signal-common.h linux-user: introduce target_sigsp() and target_save_altstack() 2018-05-03 18:29:15 +02:00
signal.c Include qemu-common.h exactly where needed 2019-06-12 13:20:20 +02:00
socket.h Supply missing header guards 2019-06-12 13:20:21 +02:00
strace.c linux-user: Add support for strace for statx() syscall 2019-07-02 16:56:46 +02:00
strace.list linux-user: Add support for strace for statx() syscall 2019-07-02 16:56:46 +02:00
syscall_defs.h linux-user: Add support for translation of statx() syscall 2019-07-02 16:56:46 +02:00
syscall_types.h linux-user: Implement special usbfs ioctls. 2018-10-19 14:05:10 +02:00
syscall.c linux-user: Add support for translation of statx() syscall 2019-07-02 16:56:46 +02:00
target_flat.h Supply missing header guards 2019-06-12 13:20:21 +02:00
trace-events trace-events: Fix attribution of trace points to source 2019-03-22 16:18:07 +00:00
uaccess.c avoid TABs in files that only contain a few 2019-01-11 15:46:56 +01:00
uname.c cpu: Replace ENV_GET_CPU with env_cpu 2019-06-10 07:03:34 -07:00
uname.h Clean up decorations and whitespace around header guards 2016-07-12 16:20:46 +02:00
vm86.c target/i386: Use env_cpu, env_archcpu 2019-06-10 07:03:42 -07:00