The annotated tag, v5.7-rc2 has been created
at a288422dfe80c0cd6612c9057f64242c6e0b7511 (tag)
tagging ae83d0b416db002fe95601e7f97f64b59514d936 (commit)
replaces v5.7-rc1
tagged by Linus Torvalds
on Sun Apr 19 14:35:44 2020 -0700
- Shortlog ------------------------------------------------------------
Linux 5.7-rc2
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-----------------------------------------------------------------------
--
linux integration
Repository : ssh://git@diktynna/batman-adv
On branch : master
>---------------------------------------------------------------
commit f301bfed59b146a63471d0f147b767d7cafede6f
Author: Xiyu Yang <xiyuyang19(a)fudan.edu.cn>
Date: Wed Apr 15 16:31:50 2020 +0800
batman-adv: Fix refcnt leak in batadv_show_throughput_override
batadv_show_throughput_override() invokes batadv_hardif_get_by_netdev(),
which gets a batadv_hard_iface object from net_dev with increased refcnt
and its reference is assigned to a local pointer 'hard_iface'.
When batadv_show_throughput_override() returns, "hard_iface" becomes
invalid, so the refcount should be decreased to keep refcount balanced.
The issue happens in the normal path of
batadv_show_throughput_override(), which forgets to decrease the refcnt
increased by batadv_hardif_get_by_netdev() before the function returns,
causing a refcnt leak.
Fix this issue by calling batadv_hardif_put() before the
batadv_show_throughput_override() returns in the normal path.
Fixes: c513176e4b7a ("batman-adv: add throughput override attribute to hard_ifaces")
Signed-off-by: Xiyu Yang <xiyuyang19(a)fudan.edu.cn>
Signed-off-by: Xin Tan <tanxin.ctf(a)gmail.com>
Signed-off-by: Sven Eckelmann <sven(a)narfation.org>
>---------------------------------------------------------------
f301bfed59b146a63471d0f147b767d7cafede6f
net/batman-adv/sysfs.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/batman-adv/sysfs.c b/net/batman-adv/sysfs.c
index c45962d8..c0b00268 100644
--- a/net/batman-adv/sysfs.c
+++ b/net/batman-adv/sysfs.c
@@ -1190,6 +1190,7 @@ static ssize_t batadv_show_throughput_override(struct kobject *kobj,
tp_override = atomic_read(&hard_iface->bat_v.throughput_override);
+ batadv_hardif_put(hard_iface);
return sprintf(buff, "%u.%u MBit\n", tp_override / 10,
tp_override % 10);
}
Repository : ssh://git@diktynna/batman-adv
On branch : master
>---------------------------------------------------------------
commit b69cd8bdbfd6fa7e61878c2fa9e6637406f40dd9
Author: Xiyu Yang <xiyuyang19(a)fudan.edu.cn>
Date: Wed Apr 15 16:35:21 2020 +0800
batman-adv: Fix refcnt leak in batadv_store_throughput_override
batadv_show_throughput_override() invokes batadv_hardif_get_by_netdev(),
which gets a batadv_hard_iface object from net_dev with increased refcnt
and its reference is assigned to a local pointer 'hard_iface'.
When batadv_store_throughput_override() returns, "hard_iface" becomes
invalid, so the refcount should be decreased to keep refcount balanced.
The issue happens in one error path of
batadv_store_throughput_override(). When batadv_parse_throughput()
returns NULL, the refcnt increased by batadv_hardif_get_by_netdev() is
not decreased, causing a refcnt leak.
Fix this issue by jumping to "out" label when batadv_parse_throughput()
returns NULL.
Fixes: c513176e4b7a ("batman-adv: add throughput override attribute to hard_ifaces")
Signed-off-by: Xiyu Yang <xiyuyang19(a)fudan.edu.cn>
Signed-off-by: Xin Tan <tanxin.ctf(a)gmail.com>
Signed-off-by: Sven Eckelmann <sven(a)narfation.org>
>---------------------------------------------------------------
b69cd8bdbfd6fa7e61878c2fa9e6637406f40dd9
net/batman-adv/sysfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/batman-adv/sysfs.c b/net/batman-adv/sysfs.c
index c0b00268..0f962dcd 100644
--- a/net/batman-adv/sysfs.c
+++ b/net/batman-adv/sysfs.c
@@ -1150,7 +1150,7 @@ static ssize_t batadv_store_throughput_override(struct kobject *kobj,
ret = batadv_parse_throughput(net_dev, buff, "throughput_override",
&tp_override);
if (!ret)
- return count;
+ goto out;
old_tp_override = atomic_read(&hard_iface->bat_v.throughput_override);
if (old_tp_override == tp_override)
Repository : ssh://git@diktynna/batman-adv
On branch : master
>---------------------------------------------------------------
commit c293e0c4d98b2e24400338bd31be85f660547606
Author: Xiyu Yang <xiyuyang19(a)fudan.edu.cn>
Date: Wed Apr 15 16:31:50 2020 +0800
batman-adv: Fix refcnt leak in batadv_show_throughput_override
batadv_show_throughput_override() invokes batadv_hardif_get_by_netdev(),
which gets a batadv_hard_iface object from net_dev with increased refcnt
and its reference is assigned to a local pointer 'hard_iface'.
When batadv_show_throughput_override() returns, "hard_iface" becomes
invalid, so the refcount should be decreased to keep refcount balanced.
The issue happens in the normal path of
batadv_show_throughput_override(), which forgets to decrease the refcnt
increased by batadv_hardif_get_by_netdev() before the function returns,
causing a refcnt leak.
Fix this issue by calling batadv_hardif_put() before the
batadv_show_throughput_override() returns in the normal path.
Fixes: c513176e4b7a ("batman-adv: add throughput override attribute to hard_ifaces")
Signed-off-by: Xiyu Yang <xiyuyang19(a)fudan.edu.cn>
Signed-off-by: Xin Tan <tanxin.ctf(a)gmail.com>
>---------------------------------------------------------------
c293e0c4d98b2e24400338bd31be85f660547606
net/batman-adv/sysfs.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/batman-adv/sysfs.c b/net/batman-adv/sysfs.c
index c45962d8..c0b00268 100644
--- a/net/batman-adv/sysfs.c
+++ b/net/batman-adv/sysfs.c
@@ -1190,6 +1190,7 @@ static ssize_t batadv_show_throughput_override(struct kobject *kobj,
tp_override = atomic_read(&hard_iface->bat_v.throughput_override);
+ batadv_hardif_put(hard_iface);
return sprintf(buff, "%u.%u MBit\n", tp_override / 10,
tp_override % 10);
}
Repository : ssh://git@diktynna/batman-adv
On branch : master
>---------------------------------------------------------------
commit ea7361d614c70a74a04c63cd9eaebd0e72aa908a
Author: Xiyu Yang <xiyuyang19(a)fudan.edu.cn>
Date: Wed Apr 15 16:35:21 2020 +0800
batman-adv: Fix refcnt leak in batadv_store_throughput_override
batadv_show_throughput_override() invokes batadv_hardif_get_by_netdev(),
which gets a batadv_hard_iface object from net_dev with increased refcnt
and its reference is assigned to a local pointer 'hard_iface'.
When batadv_store_throughput_override() returns, "hard_iface" becomes
invalid, so the refcount should be decreased to keep refcount balanced.
The issue happens in one error path of
batadv_store_throughput_override(). When batadv_parse_throughput()
returns NULL, the refcnt increased by batadv_hardif_get_by_netdev() is
not decreased, causing a refcnt leak.
Fix this issue by jumping to "out" label when batadv_parse_throughput()
returns NULL.
Fixes: c513176e4b7a ("batman-adv: add throughput override attribute to hard_ifaces")
Signed-off-by: Xiyu Yang <xiyuyang19(a)fudan.edu.cn>
Signed-off-by: Xin Tan <tanxin.ctf(a)gmail.com>
>---------------------------------------------------------------
ea7361d614c70a74a04c63cd9eaebd0e72aa908a
net/batman-adv/sysfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/batman-adv/sysfs.c b/net/batman-adv/sysfs.c
index c0b00268..0f962dcd 100644
--- a/net/batman-adv/sysfs.c
+++ b/net/batman-adv/sysfs.c
@@ -1150,7 +1150,7 @@ static ssize_t batadv_store_throughput_override(struct kobject *kobj,
ret = batadv_parse_throughput(net_dev, buff, "throughput_override",
&tp_override);
if (!ret)
- return count;
+ goto out;
old_tp_override = atomic_read(&hard_iface->bat_v.throughput_override);
if (old_tp_override == tp_override)