The patch titled
Subject: net/xfrm_user: Use in_compat_syscall to deny compat syscalls
has been added to the -mm tree. Its filename is
net-xfrm_user-use-in_compat_syscall-to-deny-compat-syscalls.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/net-xfrm_user-use-in_compat_syscall-to-deny-compat-syscalls.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/net-xfrm_user-use-in_compat_syscall-to-deny-compat-syscalls.patch
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------------------------------------------------------
From: Andy Lutomirski <luto@xxxxxxxxxx>
Subject: net/xfrm_user: Use in_compat_syscall to deny compat syscalls
The code wants to prevent compat code from receiving messages. Use
in_compat_syscall for this.
Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx>
Cc: Steffen Klassert <steffen.klassert@xxxxxxxxxxx>
Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
net/xfrm/xfrm_user.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN net/xfrm/xfrm_user.c~net-xfrm_user-use-in_compat_syscall-to-deny-compat-syscalls net/xfrm/xfrm_user.c
--- a/net/xfrm/xfrm_user.c~net-xfrm_user-use-in_compat_syscall-to-deny-compat-syscalls
+++ a/net/xfrm/xfrm_user.c
@@ -2449,7 +2449,7 @@ static int xfrm_user_rcv_msg(struct sk_b
int type, err;
#ifdef CONFIG_COMPAT
- if (is_compat_task())
+ if (in_compat_syscall())
return -ENOTSUPP;
#endif
_
Patches currently in -mm which might be from luto@xxxxxxxxxx are
compat-add-in_compat_syscall-to-ask-whether-were-in-a-compat-syscall.patch
sparc-compat-provide-an-accurate-in_compat_syscall-implementation.patch
sparc-syscall-fix-syscall_get_arch.patch
seccomp-check-in_compat_syscall-not-is_compat_task-in-strict-mode.patch
ptrace-in-peek_siginfo-check-syscall-bitness-not-task-bitness.patch
auditsc-for-seccomp-events-log-syscall-compat-state-using-in_compat_syscall.patch
staging-lustre-switch-from-is_compat_task-to-in_compat_syscall.patch
ext4-in-ext4_dir_llseek-check-syscall-bitness-directly.patch
net-sctp-use-in_compat_syscall-for-sctp_getsockopt_connectx3.patch
net-xfrm_user-use-in_compat_syscall-to-deny-compat-syscalls.patch
firewire-use-in_compat_syscall-to-check-ioctl-compatness.patch
efivars-use-in_compat_syscall-to-check-for-compat-callers.patch
amdkfd-use-in_compat_syscall-to-check-open-caller-type.patch
input-redefine-input_compat_test-as-in_compat_syscall.patch
uhid-check-write-bitness-using-in_compat_syscall.patch
x86-compat-remove-is_compat_task.patch
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