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qemu/linux-user
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Alex Bennée 8ef618859c linux-user: detect overflow of MAP_FIXED mmap 
Relaxing the restrictions on 64 bit guests leads to the user being
able to attempt to map right at the edge of addressable memory. This
in turn lead to address overflow tripping the assert in page_set_flags
when the end address wrapped around.

Detect the wrap earlier and correctly -ENOMEM the guest (in the
reported case LTP mmap15).

Fixes: 7d8cbbabcb
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reported-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20200605154929.26910-15-alex.bennee@linaro.org>
2020-06-08 17:04:19 +01:00
..
aarch64 linux-user, aarch64: sync syscall numbers with kernel v5.5 2020-03-20 16:02:00 +01:00
alpha linux-user, alpha: add syscall table generation support 2020-03-20 16:02:00 +01:00
arm linux-user/arm/signal.c: Drop TARGET_CONFIG_CPU_32 2020-05-21 22:05:27 +01:00
cris linux-user: Introduce cpu_clone_regs_parent 2019-11-06 13:43:25 +01:00
generic linux-user: implement OFD locks 2020-06-05 21:23:22 +02:00
host linux-user: Add safe_syscall for riscv64 host 2018-12-26 06:40:02 +11:00
hppa linux-user: update syscall.tbl from linux 0bf999f9c5e7 2020-03-20 16:02:00 +01:00
i386 linux-user/i386: Emulate x86_64 vsyscalls 2020-03-26 08:08:54 +01:00
m68k linux-user: update syscall.tbl from linux 0bf999f9c5e7 2020-03-20 16:02:00 +01:00
microblaze linux-user: update syscall.tbl from linux 0bf999f9c5e7 2020-03-20 16:02:00 +01:00
mips linux-user,mips: update syscall-args-o32.c.inc 2020-03-20 16:02:00 +01:00
mips64 linux-user: update syscall.tbl from linux 0bf999f9c5e7 2020-03-20 16:02:00 +01:00
nios2 linux-user, nios2: sync syscall numbers with kernel v5.5 2020-03-20 16:02:00 +01:00
openrisc linux-user, openrisc: sync syscall numbers with kernel v5.5 2020-03-20 16:02:00 +01:00
ppc target/ppc: Add support for scv and rfscv instructions 2020-05-27 15:29:24 +10:00
riscv linux-user/riscv: fix up struct target_ucontext definition 2020-04-29 13:16:37 -07:00
s390x linux-user: update syscall.tbl from linux 0bf999f9c5e7 2020-03-20 16:02:00 +01:00
sh4 linux-user: update syscall.tbl from linux 0bf999f9c5e7 2020-03-20 16:02:00 +01:00
sparc linux-user: update syscall.tbl from linux 0bf999f9c5e7 2020-03-20 16:02:00 +01:00
sparc64 linux-user: update syscall.tbl from linux 0bf999f9c5e7 2020-03-20 16:02:00 +01:00
tilegx linux-user: Introduce cpu_clone_regs_parent 2019-11-06 13:43:25 +01:00
x86_64 linux-user: update syscall.tbl from linux 0bf999f9c5e7 2020-03-20 16:02:00 +01:00
xtensa linux-user: update syscall.tbl from linux 0bf999f9c5e7 2020-03-20 16:02:00 +01:00
cpu_loop-common.h cpu: Replace ENV_GET_CPU with env_cpu 2019-06-10 07:03:34 -07:00
elfload.c linux-user: deal with address wrap for ARM_COMMPAGE on 32 bit 2020-06-08 17:04:19 +01:00
errno_defs.h Supply missing header guards 2019-06-12 13:20:21 +02:00
exit.c build: move TARGET_GPROF to config-host.mak 2020-02-12 16:29:27 +01:00
fd-trans.c linux-user: Use `qemu_log' for non-strace logging 2020-02-19 11:17:40 +01:00
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: completely re-write init_guest_space 2020-05-15 15:25:16 +01:00
ioctls.h linux-user: Add support for selected alsa timer instructions using ioctls 2020-02-19 11:17:40 +01:00
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 exec/cpu-all: Use bool for have_guest_base 2020-05-15 15:25:16 +01:00
Makefile.objs linux-user, mips64: add syscall table generation support 2020-03-20 16:02:00 +01:00
mmap.c linux-user: detect overflow of MAP_FIXED mmap 2020-06-08 17:04:19 +01:00
qemu.h linux-user: completely re-write init_guest_space 2020-05-15 15:25:16 +01:00
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: Make sigaltstack stacks per-thread 2019-07-26 19:24:33 +02:00
signal.c linux-user: Use `qemu_log' for strace 2020-02-19 11:17:40 +01:00
socket.h Supply missing header guards 2019-06-12 13:20:21 +02:00
strace.c linux-user: Protect more syscalls 2020-03-20 16:01:46 +01:00
strace.list linux-user/strace.list: fix epoll_create{,1} -strace output 2020-06-05 21:23:22 +02:00
syscall_defs.h linux-user: Add support for selected alsa timer instructions using ioctls 2020-02-19 11:17:40 +01:00
syscall_types.h linux-user: Add support for getting/setting selected alsa timer parameters using ioctls 2020-02-19 11:17:40 +01:00
syscall.c linux-user pull request 20200605-v2 2020-06-08 11:04:57 +01:00
target_flat.h Supply missing header guards 2019-06-12 13:20:21 +02:00
trace-events linux-user: fix use of SIGRTMIN 2020-02-12 18:56:41 +01:00
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 linux-user: Use `qemu_log' for non-strace logging 2020-02-19 11:17:40 +01:00