diff options
| -rw-r--r-- | linux-user/syscall.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index a08f5efb0..52885ab05 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -9489,14 +9489,24 @@ abi_long do_syscall(void *cpu_env, int num, abi_ulong arg1, loff_t loff_in, loff_out; loff_t *ploff_in = NULL, *ploff_out = NULL; if(arg2) { - get_user_u64(loff_in, arg2); + if (get_user_u64(loff_in, arg2)) + goto efault; ploff_in = &loff_in; } - if(arg4) { - get_user_u64(loff_out, arg2); + if (arg4) { + if (get_user_u64(loff_out, arg4)) + goto efault; ploff_out = &loff_out; } ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6)); + if (arg2) { + if (put_user_u64(loff_in, arg2)) + goto efault; + } + if (arg4) { + if (put_user_u64(loff_out, arg4)) + goto efault; + } } break; #endif |