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seccomp: Fix ioctl number for SECCOMP_IOCTL_NOTIF_ID_VALID

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When SECCOMP_IOCTL_NOTIF_ID_VALID was first introduced it had the wrong
direction flag set. While this isn't a big deal as nothing currently
enforces these bits in the kernel, it should be defined correctly. Fix
the define and provide support for the old command until it is no longer
needed for backward compatibility.

Fixes: 6a21cc50f0 ("seccomp: add a return code to trap to userspace")
Signed-off-by: Kees Cook <keescook@chromium.org>
This commit is contained in:
Kees Cook
2020-06-15 15:42:46 -07:00
parent 279ed89000
commit 47e33c05f9
3 changed files with 12 additions and 2 deletions
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3
include/uapi/linux/seccomp.h
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@@ -123,5 +123,6 @@ struct seccomp_notif_resp {
#define SECCOMP_IOCTL_NOTIF_RECV SECCOMP_IOWR(0, struct seccomp_notif)
#define SECCOMP_IOCTL_NOTIF_SEND SECCOMP_IOWR(1, \
struct seccomp_notif_resp)
#define SECCOMP_IOCTL_NOTIF_ID_VALID SECCOMP_IOR(2, __u64)
#define SECCOMP_IOCTL_NOTIF_ID_VALID SECCOMP_IOW(2, __u64)
#endif /* _UAPI_LINUX_SECCOMP_H */