openwrtv4/target/linux/generic/hack-4.9/910-kobject_uevent.patch
Stijn Tintel 2d02a4f5bd kernel: update 4.9 to 4.9.44
Refresh patches.
Adapt 704-phy-no-genphy-soft-reset.patch.
Remove brcm2708/950-0005-mm-Remove-the-PFN-busy-warning.patch.
Compile-tested on brcm2708/bcm2708 and x86/64.
Runtime-tested on brcm2708/bcm2708 and x86/64.

Fixes the following vulnerabilities:
- CVE-2017-7533
- CVE-2017-1000111
- CVE-2017-1000112

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
2017-08-17 12:34:34 +02:00

32 lines
799 B
Diff

From 0d37e6edc09c99e683dd91ca0e83bbc0df8477b3 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Sun, 16 Jul 2017 16:56:10 +0200
Subject: lib: add uevent_next_seqnum()
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
include/linux/kobject.h | 5 +++++
lib/kobject_uevent.c | 37 +++++++++++++++++++++++++++++++++++++
2 files changed, 42 insertions(+)
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -52,6 +52,18 @@ static const char *kobject_actions[] = {
[KOBJ_OFFLINE] = "offline",
};
+u64 uevent_next_seqnum(void)
+{
+ u64 seq;
+
+ mutex_lock(&uevent_sock_mutex);
+ seq = ++uevent_seqnum;
+ mutex_unlock(&uevent_sock_mutex);
+
+ return seq;
+}
+EXPORT_SYMBOL_GPL(uevent_next_seqnum);
+
/**
* kobject_action_type - translate action string to numeric type
*