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xemu/linux-user
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Zach Reizner 4a1e6bce23 linux-user: allow NULL msg in recvfrom 
The kernel allows a NULL msg in recvfrom so that he size of the next
message may be queried before allocating a correctly sized buffer. This
change allows the syscall translator to pass along the NULL msg pointer
instead of returning early with EFAULT.

Signed-off-by: Zach Reizner <zachr@google.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <CAFNex=DvFCq=AQf+=19fTfw-T8eZZT=3NnFFm2JMFvVr5QgQyA@mail.gmail.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-03-27 16:48:45 +01:00
..
aarch64
semihosting: Move include/hw/semihosting/ -> include/semihosting/
2021-03-10 15:34:12 +00:00
alpha
linux-user: target: signal: Support TARGET_SS_AUTODISARM
2021-02-13 22:50:50 +01:00
arm
semihosting: Move include/hw/semihosting/ -> include/semihosting/
2021-03-10 15:34:12 +00:00
cris
linux user: Fix Lesser GPL version number
2020-11-15 16:41:26 +01:00
generic
linux-user: target: signal: Support TARGET_SS_AUTODISARM
2021-02-13 22:50:50 +01:00
hexagon
Hexagon (linux-user/hexagon) Linux user emulation
2021-02-18 07:48:22 -08:00
host
linux-user/: fix some comment spelling errors
2020-09-17 20:39:22 +02:00
hppa
linux-user: Use cpu_untagged_addr in access_ok; split out *_untagged
2021-02-16 11:04:53 +00:00
i386
linux-user: Use cpu_untagged_addr in access_ok; split out *_untagged
2021-02-16 11:04:53 +00:00
m68k
linux-user: Correct definition of stack_t
2020-11-11 10:59:39 +01:00
microblaze
linux user: Fix Lesser GPL version number
2020-11-15 16:41:26 +01:00
mips
linux-user: target: signal: Support TARGET_SS_AUTODISARM
2021-02-13 22:50:50 +01:00
mips64
linux-user/mips: Support the n32 ABI for the R5900
2021-02-15 12:10:03 +01:00
nios2
linux user: Fix Lesser GPL version number
2020-11-15 16:41:26 +01:00
openrisc
linux-user: update syscall_nr.h to Linux 5.9-rc7
2020-10-26 11:39:23 +01:00
ppc
exec: Use cpu_untagged_addr in g2h; split out g2h_untagged
2021-02-16 11:04:53 +00:00
riscv
linux-user/riscv: initialise the TaskState heap/stack info
2021-03-24 14:25:16 +00:00
s390x
linux-user/s390x: Use the guest pointer for the sigreturn stub
2021-03-25 20:55:07 +01:00
sh4
accel/tcg: Precompute curr_cflags into cpu->tcg_cflags
2021-03-06 11:53:57 -08:00
sparc
linux-user: target: signal: Support TARGET_SS_AUTODISARM
2021-02-13 22:50:50 +01:00
sparc64
linux user: Fix Lesser GPL version number
2020-11-15 16:41:26 +01:00
x86_64
linux user: Fix Lesser GPL version number
2020-11-15 16:41:26 +01:00
xtensa
linux-user: update syscall.tbl to Linux 5.9-rc7
2020-10-26 11:39:23 +01:00
cpu_loop-common.h
…
elfload.c
linux-user/elfload: fix address calculation in fallback scenario
2021-03-13 10:45:11 +01:00
errno_defs.h
…
exit.c
gdbstub: drop CPUEnv from gdb_exit()
2021-01-18 10:05:06 +00:00
fd-trans.c
linux-user,netlink: add IFLA_BRPORT_MRP_RING_OPEN, IFLA_BRPORT_MRP_IN_OPEN
2020-11-17 15:22:52 +01:00
fd-trans.h
…
flat.h
linux-user/: fix some comment spelling errors
2020-09-17 20:39:22 +02:00
flatload.c
exec: Use cpu_untagged_addr in g2h; split out g2h_untagged
2021-02-16 11:04:53 +00:00
ioctls.h
linux-user: Conditionalize TUNSETVNETLE
2021-01-07 05:09:06 -10:00
linux_loop.h
…
linuxload.c
…
main.c
linux-user: manage binfmt-misc preserve-arg[0] flag
2021-03-13 10:45:11 +01:00
meson.build
semihosting: Move ARM semihosting code to shared directories
2021-01-18 10:05:06 +00:00
mmap.c
linux-user/aarch64: Implement PROT_MTE
2021-02-16 13:08:46 +00:00
qemu.h
Hexagon (linux-user/hexagon) Linux user emulation
2021-02-18 07:48:22 -08:00
safe-syscall.S
…
semihost.c
semihosting: Move include/hw/semihosting/ -> include/semihosting/
2021-03-10 15:34:12 +00:00
signal-common.h
…
signal.c
linux-user/signal: Decode waitid si_code
2021-02-13 22:50:49 +01:00
socket.h
…
strace.c
linux-user: Add IPv6 options to do_print_sockopt()
2021-01-21 13:27:08 +01:00
strace.list
…
syscall_defs.h
Remove deprecated target tilegx
2021-03-09 11:26:32 +01:00
syscall_types.h
linux-user: Add support for btrfs ioctls used to scrub a filesystem
2020-09-03 01:09:35 +02:00
syscall.c
linux-user: allow NULL msg in recvfrom
2021-03-27 16:48:45 +01:00
target_flat.h
…
trace-events
…
trace.h
…
uaccess.c
linux-user: Handle tags in lock_user/unlock_user
2021-02-16 13:06:11 +00:00
uname.c
…
uname.h
…
vm86.c
…