aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--linux-user/syscall.c36
1 files changed, 35 insertions, 1 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 762115b..ee8899e 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -7798,9 +7798,43 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
#ifdef TARGET_NR_setxattr
case TARGET_NR_listxattr:
case TARGET_NR_llistxattr:
+ {
+ void *p, *b = 0;
+ if (arg2) {
+ b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
+ if (!b) {
+ ret = -TARGET_EFAULT;
+ break;
+ }
+ }
+ p = lock_user_string(arg1);
+ if (p) {
+ if (num == TARGET_NR_listxattr) {
+ ret = get_errno(listxattr(p, b, arg3));
+ } else {
+ ret = get_errno(llistxattr(p, b, arg3));
+ }
+ } else {
+ ret = -TARGET_EFAULT;
+ }
+ unlock_user(p, arg1, 0);
+ unlock_user(b, arg2, arg3);
+ break;
+ }
case TARGET_NR_flistxattr:
- ret = -TARGET_EOPNOTSUPP;
+ {
+ void *b = 0;
+ if (arg2) {
+ b = lock_user(VERIFY_WRITE, arg2, arg3, 0);
+ if (!b) {
+ ret = -TARGET_EFAULT;
+ break;
+ }
+ }
+ ret = get_errno(flistxattr(arg1, b, arg3));
+ unlock_user(b, arg2, arg3);
break;
+ }
case TARGET_NR_setxattr:
case TARGET_NR_lsetxattr:
{