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Account for ipv6 in kernel_get{sock,peer}name compat.

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These 2 kernel wrapper functions need to be able to properly handle
the ipv6 addrlen, instead of returning -EAFNOSUPPORT(-97).

Signed-off-by: Auke Kok <auke.kok@versity.com>
This commit is contained in:
Auke Kok
2026-02-02 15:51:06 -05:00
parent 132d73d435
commit 9fe5e895a4
1 changed files with 8 additions and 4 deletions
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12
kmod/src/kernelcompat.h
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@@ -195,9 +195,11 @@ struct kc_shrinker_wrapper {
#include <linux/inet.h>
static inline int kc_kernel_getsockname(struct socket *sock, struct sockaddr *addr)
{
int addrlen = sizeof(struct sockaddr_in);
int addrlen = sizeof(struct sockaddr_storage);
int ret = kernel_getsockname(sock, addr, &addrlen);
if (ret == 0 && addrlen != sizeof(struct sockaddr_in))
if (ret == 0 && (!(
(addrlen == sizeof(struct sockaddr_in)) ||
(addrlen == sizeof(struct sockaddr_in6)))))
return -EAFNOSUPPORT;
else if (ret < 0)
return ret;
@@ -206,9 +208,11 @@ static inline int kc_kernel_getsockname(struct socket *sock, struct sockaddr *ad
}
static inline int kc_kernel_getpeername(struct socket *sock, struct sockaddr *addr)
{
int addrlen = sizeof(struct sockaddr_in);
int addrlen = sizeof(struct sockaddr_storage);
int ret = kernel_getpeername(sock, addr, &addrlen);
if (ret == 0 && addrlen != sizeof(struct sockaddr_in))
if (ret == 0 && (!(
(addrlen == sizeof(struct sockaddr_in)) ||
(addrlen == sizeof(struct sockaddr_in6)))))
return -EAFNOSUPPORT;
else if (ret < 0)
return ret;