[PULL,10/28] linux-user: fix sockaddr_in6 endianness

Commit Message

Laurent Vivier March 8, 2023, 1:28 p.m. UTC

From: Mathis Marion <[e-mail]>

The sin6_scope_id field uses the host byte order, so there is a
conversion to be made when host and target endianness differ.

Signed-off-by: Mathis Marion <[e-mail]>
Reviewed-by: Laurent Vivier <[e-mail]>
Reviewed-by: Philippe Mathieu-Daudé <[e-mail]>
Message-Id: <[e-mail]>
Signed-off-by: Laurent Vivier <[e-mail]>
---
 linux-user/syscall.c | 5 +++++
 1 file changed, 5 insertions(+)

Patch

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index bcf409e134b4..1f903dd67cba 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -1714,6 +1714,11 @@  static inline abi_long target_to_host_sockaddr(int fd, struct sockaddr *addr,
 	lladdr = (struct target_sockaddr_ll *)addr;
 	lladdr->sll_ifindex = tswap32(lladdr->sll_ifindex);
 	lladdr->sll_hatype = tswap16(lladdr->sll_hatype);
+    } else if (sa_family == AF_INET6) {
+        struct sockaddr_in6 *in6addr;
+
+        in6addr = (struct sockaddr_in6 *)addr;
+        in6addr->sin6_scope_id = tswap32(in6addr->sin6_scope_id);
     }
     unlock_user(target_saddr, target_addr, 0);