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Peter Maydell 09e2753be0 linux-user: Fix broken m68k signal handling on 64 bit hosts 
The m68k signal frame setup code which writes the signal return
trampoline code to the stack was assuming that a 'long' was 32 bits;
on 64 bit systems this meant we would end up writing the 32 bit
(2 insn) trampoline sequence to retaddr+4,retaddr+6 instead of
the intended retaddr+0,retaddr+2, resulting in a guest crash when
it tried to execute the invalid zero-bytes at retaddr+0.
Fix by using uint32_t instead; also use uint16_t rather than short
for consistency. This fixes bug LP:1404690.

Reported-by: Michel Boaventura
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
(cherry picked from commit 1669add752)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
 		2015-02-22 18:09:36 -06:00
..
aarch64 linux-user: Support target-to-host translation of mlockall argument 2014-08-22 15:06:35 +03:00
alpha linux-user: Support target-to-host translation of mlockall argument 2014-08-22 15:06:35 +03:00
arm linux-user: Enable epoll_pwait syscall for ARM 2014-10-06 21:52:45 +03:00
cris linux-user: Support target-to-host translation of mlockall argument 2014-08-22 15:06:35 +03:00
i386 linux-user: Support target-to-host translation of mlockall argument 2014-08-22 15:06:35 +03:00
m68k linux-user: Support target-to-host translation of mlockall argument 2014-08-22 15:06:35 +03:00
microblaze linux-user: Support target-to-host translation of mlockall argument 2014-08-22 15:06:35 +03:00
mips linux-user: Support target-to-host translation of mlockall argument 2014-08-22 15:06:35 +03:00
mips64 linux-user: Support target-to-host translation of mlockall argument 2014-08-22 15:06:35 +03:00
openrisc linux-user: Support target-to-host translation of mlockall argument 2014-08-22 15:06:35 +03:00
ppc linux-user: Support target-to-host translation of mlockall argument 2014-08-22 15:06:35 +03:00
s390x linux-user: Support target-to-host translation of mlockall argument 2014-08-22 15:06:35 +03:00
sh4 linux-user: Support target-to-host translation of mlockall argument 2014-08-22 15:06:35 +03:00
sparc linux-user: Support target-to-host translation of mlockall argument 2014-08-22 15:06:35 +03:00
sparc64 linux-user: Support target-to-host translation of mlockall argument 2014-08-22 15:06:35 +03:00
unicore32 linux-user: Support target-to-host translation of mlockall argument 2014-08-22 15:06:35 +03:00
x86_64 linux-user: Support target-to-host translation of mlockall argument 2014-08-22 15:06:35 +03:00
Makefile.objs linux-user: rename cpu-uname -> uname 2014-05-02 21:59:36 +03:00
elfload.c linux-user: Do not subtract offset from end address 2014-11-11 08:12:45 +02:00
errno_defs.h
…
flat.h
…
flatload.c linux-user: Remove regs parameter of load_elf_binary and load_flt_binary 2014-01-10 08:51:37 +02:00
ioctls.h linux-user: Convert blkpg to use a special subop handler 2014-10-06 21:52:45 +03:00
linux_loop.h
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linuxload.c cpu: Move opaque field from CPU_COMMON to CPUState 2014-03-13 19:20:47 +01:00
m68k-sim.c exec: Change cpu_abort() argument to CPUState 2014-03-13 19:52:28 +01:00
main.c linux-user: Fix fault address truncation AArch64 2014-11-03 11:03:34 +02:00
mmap.c configure: Make NPTL non-optional 2013-07-22 21:54:52 +03:00
qemu.h linux-user: fix gcc-4.9 compiler error on __{get,put]}_user 2014-06-17 08:52:08 +03:00
signal.c linux-user: Fix broken m68k signal handling on 64 bit hosts 2015-02-22 18:09:36 -06:00
socket.h linux-user: support SO_PASSSEC setsockopt option 2014-06-29 14:19:59 +03:00
strace.c linux-user: Don't omit comma for strace of rt_sigaction() 2013-04-05 14:40:54 +02:00
strace.list linux-user: add setns and unshare 2014-08-22 15:06:34 +03:00
syscall.c linux-user: Fix up timer id handling 2014-11-11 08:13:09 +02:00
syscall_defs.h linux-user: Fix up timer id handling 2014-11-11 08:13:09 +02:00
syscall_types.h linux-user: Convert blkpg to use a special subop handler 2014-10-06 21:52:45 +03:00
target_flat.h linux-user/FLAT: allow targets to override FLAT processing 2011-02-09 10:33:54 +02:00
uaccess.c
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uname.c linux-user/uname: Return correct uname string for x86_64 2014-06-17 09:21:40 +03:00
uname.h linux-user: move uname functions to uname.c 2014-05-02 21:59:36 +03:00
vm86.c cpu: Move opaque field from CPU_COMMON to CPUState 2014-03-13 19:20:47 +01:00