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From: kernel test robot <lkp@intel.com>
To: Lv Yunlong <lyl2019@mail.ustc.edu.cn>,
	philipp.reisner@linbit.com, lars.ellenberg@linbit.com,
	axboe@kernel.dk
Cc: kbuild-all@lists.01.org, drbd-dev@lists.linbit.com,
	linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
	Lv Yunlong <lyl2019@mail.ustc.edu.cn>
Subject: Re: [PATCH v2] drbd: Fix five use after free bugs in get_initial_state
Date: Tue, 25 May 2021 04:45:11 +0800	[thread overview]
Message-ID: <202105250423.7vrHpSh0-lkp@intel.com> (raw)
In-Reply-To: <20210524145809.48169-1-lyl2019@mail.ustc.edu.cn>

[-- Attachment #1: Type: text/plain, Size: 10245 bytes --]

Hi Lv,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on block/for-next]
[also build test WARNING on linux/master linus/master v5.13-rc3 next-20210524]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Lv-Yunlong/drbd-Fix-five-use-after-free-bugs-in-get_initial_state/20210524-233429
base:   https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next
config: arc-randconfig-r025-20210524 (attached as .config)
compiler: arc-elf-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/869bb8c1a492179ef95ae5785302d1df14bd24d3
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Lv-Yunlong/drbd-Fix-five-use-after-free-bugs-in-get_initial_state/20210524-233429
        git checkout 869bb8c1a492179ef95ae5785302d1df14bd24d3
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   drivers/block/drbd/drbd_state.c: In function 'broadcast_state_change':
>> drivers/block/drbd/drbd_state.c:1616:17: warning: cast between incompatible function types from 'int (*)(struct sk_buff *, unsigned int,  struct drbd_resource_state_change *, enum drbd_notification_type)' to 'void (*)(struct sk_buff *, unsigned int,  void *, enum drbd_notification_type)' [-Wcast-function-type]
    1616 |     last_func = (typeof(last_func))func; \
         |                 ^
   drivers/block/drbd/drbd_state.c:1629:3: note: in expansion of macro 'REMEMBER_STATE_CHANGE'
    1629 |   REMEMBER_STATE_CHANGE(notify_resource_state_change,
         |   ^~~~~~~~~~~~~~~~~~~~~
>> drivers/block/drbd/drbd_state.c:1616:17: warning: cast between incompatible function types from 'int (*)(struct sk_buff *, unsigned int,  struct drbd_connection_state_change *, enum drbd_notification_type)' to 'void (*)(struct sk_buff *, unsigned int,  void *, enum drbd_notification_type)' [-Wcast-function-type]
    1616 |     last_func = (typeof(last_func))func; \
         |                 ^
   drivers/block/drbd/drbd_state.c:1638:4: note: in expansion of macro 'REMEMBER_STATE_CHANGE'
    1638 |    REMEMBER_STATE_CHANGE(notify_connection_state_change,
         |    ^~~~~~~~~~~~~~~~~~~~~
>> drivers/block/drbd/drbd_state.c:1616:17: warning: cast between incompatible function types from 'int (*)(struct sk_buff *, unsigned int,  struct drbd_device_state_change *, enum drbd_notification_type)' to 'void (*)(struct sk_buff *, unsigned int,  void *, enum drbd_notification_type)' [-Wcast-function-type]
    1616 |     last_func = (typeof(last_func))func; \
         |                 ^
   drivers/block/drbd/drbd_state.c:1647:4: note: in expansion of macro 'REMEMBER_STATE_CHANGE'
    1647 |    REMEMBER_STATE_CHANGE(notify_device_state_change,
         |    ^~~~~~~~~~~~~~~~~~~~~
>> drivers/block/drbd/drbd_state.c:1616:17: warning: cast between incompatible function types from 'int (*)(struct sk_buff *, unsigned int,  struct drbd_peer_device_state_change *, enum drbd_notification_type)' to 'void (*)(struct sk_buff *, unsigned int,  void *, enum drbd_notification_type)' [-Wcast-function-type]
    1616 |     last_func = (typeof(last_func))func; \
         |                 ^
   drivers/block/drbd/drbd_state.c:1661:4: note: in expansion of macro 'REMEMBER_STATE_CHANGE'
    1661 |    REMEMBER_STATE_CHANGE(notify_peer_device_state_change,
         |    ^~~~~~~~~~~~~~~~~~~~~


vim +1616 drivers/block/drbd/drbd_state.c

a29728463b254c Andreas Gruenbacher 2014-07-31  1599  
a29728463b254c Andreas Gruenbacher 2014-07-31  1600  static void broadcast_state_change(struct drbd_state_change *state_change)
a29728463b254c Andreas Gruenbacher 2014-07-31  1601  {
a29728463b254c Andreas Gruenbacher 2014-07-31  1602  	struct drbd_resource_state_change *resource_state_change = &state_change->resource[0];
a29728463b254c Andreas Gruenbacher 2014-07-31  1603  	bool resource_state_has_changed;
a29728463b254c Andreas Gruenbacher 2014-07-31  1604  	unsigned int n_device, n_connection, n_peer_device, n_peer_devices;
a29728463b254c Andreas Gruenbacher 2014-07-31  1605  	void (*last_func)(struct sk_buff *, unsigned int, void *,
a29728463b254c Andreas Gruenbacher 2014-07-31  1606  			  enum drbd_notification_type) = NULL;
805cdb8bc6da87 Kees Cook           2020-06-03  1607  	void *last_arg = NULL;
a29728463b254c Andreas Gruenbacher 2014-07-31  1608  
a29728463b254c Andreas Gruenbacher 2014-07-31  1609  #define HAS_CHANGED(state) ((state)[OLD] != (state)[NEW])
a29728463b254c Andreas Gruenbacher 2014-07-31  1610  #define FINAL_STATE_CHANGE(type) \
a29728463b254c Andreas Gruenbacher 2014-07-31  1611  	({ if (last_func) \
a29728463b254c Andreas Gruenbacher 2014-07-31  1612  		last_func(NULL, 0, last_arg, type); \
a29728463b254c Andreas Gruenbacher 2014-07-31  1613  	})
a29728463b254c Andreas Gruenbacher 2014-07-31  1614  #define REMEMBER_STATE_CHANGE(func, arg, type) \
a29728463b254c Andreas Gruenbacher 2014-07-31  1615  	({ FINAL_STATE_CHANGE(type | NOTIFY_CONTINUES); \
a29728463b254c Andreas Gruenbacher 2014-07-31 @1616  	   last_func = (typeof(last_func))func; \
a29728463b254c Andreas Gruenbacher 2014-07-31  1617  	   last_arg = arg; \
a29728463b254c Andreas Gruenbacher 2014-07-31  1618  	 })
a29728463b254c Andreas Gruenbacher 2014-07-31  1619  
a29728463b254c Andreas Gruenbacher 2014-07-31  1620  	mutex_lock(&notification_mutex);
a29728463b254c Andreas Gruenbacher 2014-07-31  1621  
a29728463b254c Andreas Gruenbacher 2014-07-31  1622  	resource_state_has_changed =
a29728463b254c Andreas Gruenbacher 2014-07-31  1623  	    HAS_CHANGED(resource_state_change->role) ||
a29728463b254c Andreas Gruenbacher 2014-07-31  1624  	    HAS_CHANGED(resource_state_change->susp) ||
a29728463b254c Andreas Gruenbacher 2014-07-31  1625  	    HAS_CHANGED(resource_state_change->susp_nod) ||
a29728463b254c Andreas Gruenbacher 2014-07-31  1626  	    HAS_CHANGED(resource_state_change->susp_fen);
a29728463b254c Andreas Gruenbacher 2014-07-31  1627  
a29728463b254c Andreas Gruenbacher 2014-07-31  1628  	if (resource_state_has_changed)
a29728463b254c Andreas Gruenbacher 2014-07-31  1629  		REMEMBER_STATE_CHANGE(notify_resource_state_change,
a29728463b254c Andreas Gruenbacher 2014-07-31  1630  				      resource_state_change, NOTIFY_CHANGE);
a29728463b254c Andreas Gruenbacher 2014-07-31  1631  
a29728463b254c Andreas Gruenbacher 2014-07-31  1632  	for (n_connection = 0; n_connection < state_change->n_connections; n_connection++) {
a29728463b254c Andreas Gruenbacher 2014-07-31  1633  		struct drbd_connection_state_change *connection_state_change =
a29728463b254c Andreas Gruenbacher 2014-07-31  1634  				&state_change->connections[n_connection];
a29728463b254c Andreas Gruenbacher 2014-07-31  1635  
a29728463b254c Andreas Gruenbacher 2014-07-31  1636  		if (HAS_CHANGED(connection_state_change->peer_role) ||
a29728463b254c Andreas Gruenbacher 2014-07-31  1637  		    HAS_CHANGED(connection_state_change->cstate))
a29728463b254c Andreas Gruenbacher 2014-07-31  1638  			REMEMBER_STATE_CHANGE(notify_connection_state_change,
a29728463b254c Andreas Gruenbacher 2014-07-31  1639  					      connection_state_change, NOTIFY_CHANGE);
a29728463b254c Andreas Gruenbacher 2014-07-31  1640  	}
a29728463b254c Andreas Gruenbacher 2014-07-31  1641  
a29728463b254c Andreas Gruenbacher 2014-07-31  1642  	for (n_device = 0; n_device < state_change->n_devices; n_device++) {
a29728463b254c Andreas Gruenbacher 2014-07-31  1643  		struct drbd_device_state_change *device_state_change =
a29728463b254c Andreas Gruenbacher 2014-07-31  1644  			&state_change->devices[n_device];
a29728463b254c Andreas Gruenbacher 2014-07-31  1645  
a29728463b254c Andreas Gruenbacher 2014-07-31  1646  		if (HAS_CHANGED(device_state_change->disk_state))
a29728463b254c Andreas Gruenbacher 2014-07-31  1647  			REMEMBER_STATE_CHANGE(notify_device_state_change,
a29728463b254c Andreas Gruenbacher 2014-07-31  1648  					      device_state_change, NOTIFY_CHANGE);
a29728463b254c Andreas Gruenbacher 2014-07-31  1649  	}
a29728463b254c Andreas Gruenbacher 2014-07-31  1650  
a29728463b254c Andreas Gruenbacher 2014-07-31  1651  	n_peer_devices = state_change->n_devices * state_change->n_connections;
a29728463b254c Andreas Gruenbacher 2014-07-31  1652  	for (n_peer_device = 0; n_peer_device < n_peer_devices; n_peer_device++) {
a29728463b254c Andreas Gruenbacher 2014-07-31  1653  		struct drbd_peer_device_state_change *p =
a29728463b254c Andreas Gruenbacher 2014-07-31  1654  			&state_change->peer_devices[n_peer_device];
a29728463b254c Andreas Gruenbacher 2014-07-31  1655  
a29728463b254c Andreas Gruenbacher 2014-07-31  1656  		if (HAS_CHANGED(p->disk_state) ||
a29728463b254c Andreas Gruenbacher 2014-07-31  1657  		    HAS_CHANGED(p->repl_state) ||
a29728463b254c Andreas Gruenbacher 2014-07-31  1658  		    HAS_CHANGED(p->resync_susp_user) ||
a29728463b254c Andreas Gruenbacher 2014-07-31  1659  		    HAS_CHANGED(p->resync_susp_peer) ||
a29728463b254c Andreas Gruenbacher 2014-07-31  1660  		    HAS_CHANGED(p->resync_susp_dependency))
a29728463b254c Andreas Gruenbacher 2014-07-31  1661  			REMEMBER_STATE_CHANGE(notify_peer_device_state_change,
a29728463b254c Andreas Gruenbacher 2014-07-31  1662  					      p, NOTIFY_CHANGE);
a29728463b254c Andreas Gruenbacher 2014-07-31  1663  	}
a29728463b254c Andreas Gruenbacher 2014-07-31  1664  
a29728463b254c Andreas Gruenbacher 2014-07-31  1665  	FINAL_STATE_CHANGE(NOTIFY_CHANGE);
a29728463b254c Andreas Gruenbacher 2014-07-31  1666  	mutex_unlock(&notification_mutex);
a29728463b254c Andreas Gruenbacher 2014-07-31  1667  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

[-- Attachment #2: .config.gz --]
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WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: Re: [PATCH v2] drbd: Fix five use after free bugs in get_initial_state
Date: Tue, 25 May 2021 04:45:11 +0800	[thread overview]
Message-ID: <202105250423.7vrHpSh0-lkp@intel.com> (raw)
In-Reply-To: <20210524145809.48169-1-lyl2019@mail.ustc.edu.cn>

[-- Attachment #1: Type: text/plain, Size: 10378 bytes --]

Hi Lv,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on block/for-next]
[also build test WARNING on linux/master linus/master v5.13-rc3 next-20210524]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Lv-Yunlong/drbd-Fix-five-use-after-free-bugs-in-get_initial_state/20210524-233429
base:   https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next
config: arc-randconfig-r025-20210524 (attached as .config)
compiler: arc-elf-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/869bb8c1a492179ef95ae5785302d1df14bd24d3
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Lv-Yunlong/drbd-Fix-five-use-after-free-bugs-in-get_initial_state/20210524-233429
        git checkout 869bb8c1a492179ef95ae5785302d1df14bd24d3
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   drivers/block/drbd/drbd_state.c: In function 'broadcast_state_change':
>> drivers/block/drbd/drbd_state.c:1616:17: warning: cast between incompatible function types from 'int (*)(struct sk_buff *, unsigned int,  struct drbd_resource_state_change *, enum drbd_notification_type)' to 'void (*)(struct sk_buff *, unsigned int,  void *, enum drbd_notification_type)' [-Wcast-function-type]
    1616 |     last_func = (typeof(last_func))func; \
         |                 ^
   drivers/block/drbd/drbd_state.c:1629:3: note: in expansion of macro 'REMEMBER_STATE_CHANGE'
    1629 |   REMEMBER_STATE_CHANGE(notify_resource_state_change,
         |   ^~~~~~~~~~~~~~~~~~~~~
>> drivers/block/drbd/drbd_state.c:1616:17: warning: cast between incompatible function types from 'int (*)(struct sk_buff *, unsigned int,  struct drbd_connection_state_change *, enum drbd_notification_type)' to 'void (*)(struct sk_buff *, unsigned int,  void *, enum drbd_notification_type)' [-Wcast-function-type]
    1616 |     last_func = (typeof(last_func))func; \
         |                 ^
   drivers/block/drbd/drbd_state.c:1638:4: note: in expansion of macro 'REMEMBER_STATE_CHANGE'
    1638 |    REMEMBER_STATE_CHANGE(notify_connection_state_change,
         |    ^~~~~~~~~~~~~~~~~~~~~
>> drivers/block/drbd/drbd_state.c:1616:17: warning: cast between incompatible function types from 'int (*)(struct sk_buff *, unsigned int,  struct drbd_device_state_change *, enum drbd_notification_type)' to 'void (*)(struct sk_buff *, unsigned int,  void *, enum drbd_notification_type)' [-Wcast-function-type]
    1616 |     last_func = (typeof(last_func))func; \
         |                 ^
   drivers/block/drbd/drbd_state.c:1647:4: note: in expansion of macro 'REMEMBER_STATE_CHANGE'
    1647 |    REMEMBER_STATE_CHANGE(notify_device_state_change,
         |    ^~~~~~~~~~~~~~~~~~~~~
>> drivers/block/drbd/drbd_state.c:1616:17: warning: cast between incompatible function types from 'int (*)(struct sk_buff *, unsigned int,  struct drbd_peer_device_state_change *, enum drbd_notification_type)' to 'void (*)(struct sk_buff *, unsigned int,  void *, enum drbd_notification_type)' [-Wcast-function-type]
    1616 |     last_func = (typeof(last_func))func; \
         |                 ^
   drivers/block/drbd/drbd_state.c:1661:4: note: in expansion of macro 'REMEMBER_STATE_CHANGE'
    1661 |    REMEMBER_STATE_CHANGE(notify_peer_device_state_change,
         |    ^~~~~~~~~~~~~~~~~~~~~


vim +1616 drivers/block/drbd/drbd_state.c

a29728463b254c Andreas Gruenbacher 2014-07-31  1599  
a29728463b254c Andreas Gruenbacher 2014-07-31  1600  static void broadcast_state_change(struct drbd_state_change *state_change)
a29728463b254c Andreas Gruenbacher 2014-07-31  1601  {
a29728463b254c Andreas Gruenbacher 2014-07-31  1602  	struct drbd_resource_state_change *resource_state_change = &state_change->resource[0];
a29728463b254c Andreas Gruenbacher 2014-07-31  1603  	bool resource_state_has_changed;
a29728463b254c Andreas Gruenbacher 2014-07-31  1604  	unsigned int n_device, n_connection, n_peer_device, n_peer_devices;
a29728463b254c Andreas Gruenbacher 2014-07-31  1605  	void (*last_func)(struct sk_buff *, unsigned int, void *,
a29728463b254c Andreas Gruenbacher 2014-07-31  1606  			  enum drbd_notification_type) = NULL;
805cdb8bc6da87 Kees Cook           2020-06-03  1607  	void *last_arg = NULL;
a29728463b254c Andreas Gruenbacher 2014-07-31  1608  
a29728463b254c Andreas Gruenbacher 2014-07-31  1609  #define HAS_CHANGED(state) ((state)[OLD] != (state)[NEW])
a29728463b254c Andreas Gruenbacher 2014-07-31  1610  #define FINAL_STATE_CHANGE(type) \
a29728463b254c Andreas Gruenbacher 2014-07-31  1611  	({ if (last_func) \
a29728463b254c Andreas Gruenbacher 2014-07-31  1612  		last_func(NULL, 0, last_arg, type); \
a29728463b254c Andreas Gruenbacher 2014-07-31  1613  	})
a29728463b254c Andreas Gruenbacher 2014-07-31  1614  #define REMEMBER_STATE_CHANGE(func, arg, type) \
a29728463b254c Andreas Gruenbacher 2014-07-31  1615  	({ FINAL_STATE_CHANGE(type | NOTIFY_CONTINUES); \
a29728463b254c Andreas Gruenbacher 2014-07-31 @1616  	   last_func = (typeof(last_func))func; \
a29728463b254c Andreas Gruenbacher 2014-07-31  1617  	   last_arg = arg; \
a29728463b254c Andreas Gruenbacher 2014-07-31  1618  	 })
a29728463b254c Andreas Gruenbacher 2014-07-31  1619  
a29728463b254c Andreas Gruenbacher 2014-07-31  1620  	mutex_lock(&notification_mutex);
a29728463b254c Andreas Gruenbacher 2014-07-31  1621  
a29728463b254c Andreas Gruenbacher 2014-07-31  1622  	resource_state_has_changed =
a29728463b254c Andreas Gruenbacher 2014-07-31  1623  	    HAS_CHANGED(resource_state_change->role) ||
a29728463b254c Andreas Gruenbacher 2014-07-31  1624  	    HAS_CHANGED(resource_state_change->susp) ||
a29728463b254c Andreas Gruenbacher 2014-07-31  1625  	    HAS_CHANGED(resource_state_change->susp_nod) ||
a29728463b254c Andreas Gruenbacher 2014-07-31  1626  	    HAS_CHANGED(resource_state_change->susp_fen);
a29728463b254c Andreas Gruenbacher 2014-07-31  1627  
a29728463b254c Andreas Gruenbacher 2014-07-31  1628  	if (resource_state_has_changed)
a29728463b254c Andreas Gruenbacher 2014-07-31  1629  		REMEMBER_STATE_CHANGE(notify_resource_state_change,
a29728463b254c Andreas Gruenbacher 2014-07-31  1630  				      resource_state_change, NOTIFY_CHANGE);
a29728463b254c Andreas Gruenbacher 2014-07-31  1631  
a29728463b254c Andreas Gruenbacher 2014-07-31  1632  	for (n_connection = 0; n_connection < state_change->n_connections; n_connection++) {
a29728463b254c Andreas Gruenbacher 2014-07-31  1633  		struct drbd_connection_state_change *connection_state_change =
a29728463b254c Andreas Gruenbacher 2014-07-31  1634  				&state_change->connections[n_connection];
a29728463b254c Andreas Gruenbacher 2014-07-31  1635  
a29728463b254c Andreas Gruenbacher 2014-07-31  1636  		if (HAS_CHANGED(connection_state_change->peer_role) ||
a29728463b254c Andreas Gruenbacher 2014-07-31  1637  		    HAS_CHANGED(connection_state_change->cstate))
a29728463b254c Andreas Gruenbacher 2014-07-31  1638  			REMEMBER_STATE_CHANGE(notify_connection_state_change,
a29728463b254c Andreas Gruenbacher 2014-07-31  1639  					      connection_state_change, NOTIFY_CHANGE);
a29728463b254c Andreas Gruenbacher 2014-07-31  1640  	}
a29728463b254c Andreas Gruenbacher 2014-07-31  1641  
a29728463b254c Andreas Gruenbacher 2014-07-31  1642  	for (n_device = 0; n_device < state_change->n_devices; n_device++) {
a29728463b254c Andreas Gruenbacher 2014-07-31  1643  		struct drbd_device_state_change *device_state_change =
a29728463b254c Andreas Gruenbacher 2014-07-31  1644  			&state_change->devices[n_device];
a29728463b254c Andreas Gruenbacher 2014-07-31  1645  
a29728463b254c Andreas Gruenbacher 2014-07-31  1646  		if (HAS_CHANGED(device_state_change->disk_state))
a29728463b254c Andreas Gruenbacher 2014-07-31  1647  			REMEMBER_STATE_CHANGE(notify_device_state_change,
a29728463b254c Andreas Gruenbacher 2014-07-31  1648  					      device_state_change, NOTIFY_CHANGE);
a29728463b254c Andreas Gruenbacher 2014-07-31  1649  	}
a29728463b254c Andreas Gruenbacher 2014-07-31  1650  
a29728463b254c Andreas Gruenbacher 2014-07-31  1651  	n_peer_devices = state_change->n_devices * state_change->n_connections;
a29728463b254c Andreas Gruenbacher 2014-07-31  1652  	for (n_peer_device = 0; n_peer_device < n_peer_devices; n_peer_device++) {
a29728463b254c Andreas Gruenbacher 2014-07-31  1653  		struct drbd_peer_device_state_change *p =
a29728463b254c Andreas Gruenbacher 2014-07-31  1654  			&state_change->peer_devices[n_peer_device];
a29728463b254c Andreas Gruenbacher 2014-07-31  1655  
a29728463b254c Andreas Gruenbacher 2014-07-31  1656  		if (HAS_CHANGED(p->disk_state) ||
a29728463b254c Andreas Gruenbacher 2014-07-31  1657  		    HAS_CHANGED(p->repl_state) ||
a29728463b254c Andreas Gruenbacher 2014-07-31  1658  		    HAS_CHANGED(p->resync_susp_user) ||
a29728463b254c Andreas Gruenbacher 2014-07-31  1659  		    HAS_CHANGED(p->resync_susp_peer) ||
a29728463b254c Andreas Gruenbacher 2014-07-31  1660  		    HAS_CHANGED(p->resync_susp_dependency))
a29728463b254c Andreas Gruenbacher 2014-07-31  1661  			REMEMBER_STATE_CHANGE(notify_peer_device_state_change,
a29728463b254c Andreas Gruenbacher 2014-07-31  1662  					      p, NOTIFY_CHANGE);
a29728463b254c Andreas Gruenbacher 2014-07-31  1663  	}
a29728463b254c Andreas Gruenbacher 2014-07-31  1664  
a29728463b254c Andreas Gruenbacher 2014-07-31  1665  	FINAL_STATE_CHANGE(NOTIFY_CHANGE);
a29728463b254c Andreas Gruenbacher 2014-07-31  1666  	mutex_unlock(&notification_mutex);
a29728463b254c Andreas Gruenbacher 2014-07-31  1667  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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  parent reply	other threads:[~2021-05-24 20:45 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-24 14:58 [PATCH v2] drbd: Fix five use after free bugs in get_initial_state Lv Yunlong
2021-05-24 17:14 ` kernel test robot
2021-05-24 17:14   ` kernel test robot
2021-05-24 20:45 ` kernel test robot [this message]
2021-05-24 20:45   ` kernel test robot

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