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e6e66b03287331abc6f184456dbc6d25505590ec
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Richard Henderson e6e66b0328 linux-user: Fixes for zero_bss 
The previous change, 2d385be615, assumed !PAGE_VALID meant that
the page would be unmapped by the elf image.  However, since we
reserved the entire image space via mmap, PAGE_VALID will always
be set.  Instead, assume PROT_NONE for the same condition.

Furthermore, assume bss is only ever present for writable segments,
and that there is no page overlap between PT_LOAD segments.
Instead of an assert, return false to indicate failure.

Cc: qemu-stable@nongnu.org
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1854
Fixes: 2d385be615 ("linux-user: Do not adjust zero_bss for host page size")
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-10-18 15:32:16 -07:00
..
aarch64
linux-user: Emulate /proc/cpuinfo on aarch64 and arm
2023-09-01 13:33:36 -07:00
alpha
linux-user: Emulate /proc/cpuinfo for Alpha
2023-09-01 13:33:47 -07:00
arm
linux-user: Emulate /proc/cpuinfo on aarch64 and arm
2023-09-01 13:33:36 -07:00
cris
linux-user: Split out cpu/target_proc.h
2023-09-01 13:33:09 -07:00
generic
linux-user: Split TARGET_PROT_* out of syscall_defs.h
2023-07-15 08:02:32 +01:00
hexagon
linux-user: Split out cpu/target_proc.h
2023-09-01 13:33:09 -07:00
hppa
linux-user/hppa: Fix struct target_sigcontext layout
2023-10-04 11:03:54 -07:00
i386
accel/tcg: Replace CPUState.env_ptr with cpu_env()
2023-10-04 11:03:54 -07:00
include
linux-user: cleanup unused linux-user/include/host directories
2023-08-08 20:44:08 +02:00
loongarch64
target/loongarch: Add LASX data support
2023-09-20 11:43:11 +08:00
m68k
linux-user: Split out cpu/target_proc.h
2023-09-01 13:33:09 -07:00
microblaze
linux-user: Split out cpu/target_proc.h
2023-09-01 13:33:09 -07:00
mips
linux-user: Split out cpu/target_proc.h
2023-09-01 13:33:09 -07:00
mips64
linux-user: Split out cpu/target_proc.h
2023-09-01 13:33:09 -07:00
nios2
linux-user: Split out cpu/target_proc.h
2023-09-01 13:33:09 -07:00
openrisc
linux-user: Split out cpu/target_proc.h
2023-09-01 13:33:09 -07:00
ppc
linux-user: Split out cpu/target_proc.h
2023-09-01 13:33:09 -07:00
riscv
linux-user/riscv: Use abi type for target_ucontext
2023-09-11 11:45:55 +10:00
s390x
linux-user: Split out cpu/target_proc.h
2023-09-01 13:33:09 -07:00
sh4
linux-user: Split out cpu/target_proc.h
2023-09-01 13:33:09 -07:00
sparc
linux-user: Split out cpu/target_proc.h
2023-09-01 13:33:09 -07:00
x86_64
linux-user: Split out cpu/target_proc.h
2023-09-01 13:33:09 -07:00
xtensa
linux-user: Split out cpu/target_proc.h
2023-09-01 13:33:09 -07:00
cpu_loop-common.h
linux-user: Add guest memory layout to exception dump
2022-10-25 09:20:40 +02:00
elfload.c
linux-user: Fixes for zero_bss
2023-10-18 15:32:16 -07:00
errnos.c.inc
linux-user: Simplify host <-> target errno conversion using macros
2021-07-12 21:53:35 +02:00
exit.c
build: Remove --enable-gprof
2023-10-04 11:03:54 -07:00
fd-trans.c
linux-user: handle netlink flag NLA_F_NESTED
2023-03-10 20:45:47 +01:00
fd-trans.h
linux-user: fix timerfd read endianness conversion
2023-03-10 20:42:00 +01:00
flat.h
linux-user/: fix some comment spelling errors
2020-09-17 20:39:22 +02:00
flatload.c
linux-user/flatload: clean up local variable shadowing
2023-10-06 13:27:48 +02:00
ioctls.h
linux-user: remove conditionals for many fs.h ioctls
2022-10-21 17:46:19 +02:00
linux_loop.h
linux-user: implement more loop ioctls
2021-11-29 14:54:17 +01:00
linuxload.c
linux-user: Clean up arg_start/arg_end confusion
2022-05-23 08:15:19 +02:00
loader.h
linux-user: Emulate /proc/cpuinfo on aarch64 and arm
2023-09-01 13:33:36 -07:00
main.c
tcg: Split out tcg init functions to tcg/startup.h
2023-10-04 11:03:54 -07:00
meson.build
accel/tcg: Add debuginfo support
2023-01-16 10:14:12 -10:00
mmap.c
linux-user/mmap.c: clean up local variable shadowing
2023-10-06 13:27:48 +02:00
qemu.h
linux-user: Remove ELF_START_MMAP and image_info.start_mmap
2023-09-01 13:34:50 -07:00
semihost.c
semihosting: Remove qemu_semihosting_console_outs
2022-06-28 04:41:20 +05:30
signal-common.h
linux-user: Add missing signals in strace output
2022-09-27 09:29:33 +02:00
signal.c
build: Remove --enable-gprof
2023-10-04 11:03:54 -07:00
socket.h
Supply missing header guards
2019-06-12 13:20:21 +02:00
strace.c
linux-user/strace: Clean up local variable shadowing
2023-09-29 10:07:16 +02:00
strace.h
linux-user: Have do_syscall() use CPUArchState* instead of void*
2022-05-23 22:47:19 +02:00
strace.list
linux-user: Improve strace output of pread64() and pwrite64()
2023-07-08 16:55:08 +02:00
syscall_defs.h
linux-user: Split TARGET_PROT_* out of syscall_defs.h
2023-07-15 08:02:32 +01:00
syscall_types.h
linux-user: implement more loop ioctls
2021-11-29 14:54:17 +01:00
syscall.c
linux-user/syscall.c: clean up local variable shadowing in xattr syscalls
2023-10-06 13:27:48 +02:00
thunk.c
linux-user: Use ARRAY_SIZE with bitmask_transtbl
2023-08-09 07:17:42 -07:00
trace-events
linux-user: Rename user_force_sig tracepoint to match function name
2022-01-18 12:41:42 +01:00
trace.h
trace: switch position of headers to what Meson requires
2020-08-21 06:18:24 -04:00
uaccess.c
linux-user: Split linux-user internals out of qemu.h
2021-09-13 20:35:45 +02:00
uname.c
linux-user: Remove pointless CPU{ARCH}State casts
2022-05-23 22:47:20 +02:00
uname.h
linux-user: Have do_syscall() use CPUArchState* instead of void*
2022-05-23 22:47:19 +02:00
user-internals.h
linux-user: Pass last not end to probe_guest_base
2023-03-28 15:23:10 -07:00
user-mmap.h
linux-user: Move shmat and shmdt implementations to mmap.c
2023-09-01 13:35:02 -07:00
vm86.c
linux-user: Split linux-user internals out of qemu.h
2021-09-13 20:35:45 +02:00