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[PATCH] linux-user: Correct host errno for IP[V6]_RECVERR socket options
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH] linux-user: Correct host errno for IP[V6]_RECVERR socket options |
Date: |
Tue, 7 Sep 2021 13:13:13 +0200 |
Target errno should be converted to host errno in IP_RECVERR
and IPV6_RECVERR socket options.
Fixes: ee1ac3a1822 ("linux-user: Add sockopts for IPv6")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/602
Reported-by: Conrad Meyer <cem@FreeBSD.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
linux-user/syscall.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index ccd3892b2df..edc9d6b5ba2 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -1967,7 +1967,8 @@ static inline abi_long host_to_target_cmsg(struct
target_msghdr *target_msgh,
tgt_len != sizeof(struct errhdr_t)) {
goto unimplemented;
}
- __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno);
+ __put_user(get_errno(errh->ee.ee_errno),
+ &target_errh->ee.ee_errno);
__put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin);
__put_user(errh->ee.ee_type, &target_errh->ee.ee_type);
__put_user(errh->ee.ee_code, &target_errh->ee.ee_code);
@@ -2011,7 +2012,8 @@ static inline abi_long host_to_target_cmsg(struct
target_msghdr *target_msgh,
tgt_len != sizeof(struct errhdr6_t)) {
goto unimplemented;
}
- __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno);
+ __put_user(get_errno(errh->ee.ee_errno),
+ &target_errh->ee.ee_errno);
__put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin);
__put_user(errh->ee.ee_type, &target_errh->ee.ee_type);
__put_user(errh->ee.ee_code, &target_errh->ee.ee_code);
--
2.31.1
- [PATCH] linux-user: Correct host errno for IP[V6]_RECVERR socket options,
Philippe Mathieu-Daudé <=