in 32 bit mode, drop the padding in tv_nsec. If host is 64bit and target
is 32bit, the padding bytes will be copied from the target and as the
kernel checks the value, the syscall exits with EINVAL.
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <
20200827070449.
2386007-1-laurent@vivier.eu>
Fixes:
c6c8d1026e75 ("linux-user/syscall: Add support for clock_gettime64/clock_settime64")
}
__get_user(host_ts->tv_sec, &target_ts->tv_sec);
__get_user(host_ts->tv_nsec, &target_ts->tv_nsec);
+ /* in 32bit mode, this drops the padding */
+ host_ts->tv_nsec = (long)(abi_long)host_ts->tv_nsec;
unlock_user_struct(target_ts, target_addr, 0);
return 0;
}