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[PATCH 3.2 105/199] ocfs2: fix crash caused by stale lvb with fsdlm plugin

From Ben Hutchings <ben@decadent.org.uk>
Newsgroups linux.kernel
Subject [PATCH 3.2 105/199] ocfs2: fix crash caused by stale lvb with fsdlm plugin
Date 2017-03-10 14:00 +0100
Message-ID <tjsjh-49K-47@gated-at.bofh.it> (permalink)
References <tjrnb-3sF-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

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3.2.87-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Eric Ren <zren@suse.com>

commit e7ee2c089e94067d68475990bdeed211c8852917 upstream.

The crash happens rather often when we reset some cluster nodes while
nodes contend fiercely to do truncate and append.

The crash backtrace is below:

   dlm: C21CBDA5E0774F4BA5A9D4F317717495: dlm_recover_grant 1 locks on 971 resources
   dlm: C21CBDA5E0774F4BA5A9D4F317717495: dlm_recover 9 generation 5 done: 4 ms
   ocfs2: Begin replay journal (node 318952601, slot 2) on device (253,18)
   ocfs2: End replay journal (node 318952601, slot 2) on device (253,18)
   ocfs2: Beginning quota recovery on device (253,18) for slot 2
   ocfs2: Finishing quota recovery on device (253,18) for slot 2
   (truncate,30154,1):ocfs2_truncate_file:470 ERROR: bug expression: le64_to_cpu(fe->i_size) != i_size_read(inode)
   (truncate,30154,1):ocfs2_truncate_file:470 ERROR: Inode 290321, inode i_size = 732 != di i_size = 937, i_flags = 0x1
   ------------[ cut here ]------------
   kernel BUG at /usr/src/linux/fs/ocfs2/file.c:470!
   invalid opcode: 0000 [#1] SMP
   Modules linked in: ocfs2_stack_user(OEN) ocfs2(OEN) ocfs2_nodemanager ocfs2_stackglue(OEN) quota_tree dlm(OEN) configfs fuse sd_mod    iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi af_packet iscsi_ibft iscsi_boot_sysfs softdog xfs libcrc32c ppdev parport_pc pcspkr parport      joydev virtio_balloon virtio_net i2c_piix4 acpi_cpufreq button processor ext4 crc16 jbd2 mbcache ata_generic cirrus virtio_blk ata_piix               drm_kms_helper ahci syscopyarea libahci sysfillrect sysimgblt fb_sys_fops ttm floppy libata drm virtio_pci virtio_ring uhci_hcd virtio ehci_hcd       usbcore serio_raw usb_common sg dm_multipath dm_mod scsi_dh_rdac scsi_dh_emc scsi_dh_alua scsi_mod autofs4
   Supported: No, Unsupported modules are loaded
   CPU: 1 PID: 30154 Comm: truncate Tainted: G           OE   N  4.4.21-69-default #1
   Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.8.1-0-g4adadbd-20151112_172657-sheep25 04/01/2014
   task: ffff88004ff6d240 ti: ffff880074e68000 task.ti: ffff880074e68000
   RIP: 0010:[<ffffffffa05c8c30>]  [<ffffffffa05c8c30>] ocfs2_truncate_file+0x640/0x6c0 [ocfs2]
   RSP: 0018:ffff880074e6bd50  EFLAGS: 00010282
   RAX: 0000000000000074 RBX: 000000000000029e RCX: 0000000000000000
   RDX: 0000000000000001 RSI: 0000000000000246 RDI: 0000000000000246
   RBP: ffff880074e6bda8 R08: 000000003675dc7a R09: ffffffff82013414
   R10: 0000000000034c50 R11: 0000000000000000 R12: ffff88003aab3448
   R13: 00000000000002dc R14: 0000000000046e11 R15: 0000000000000020
   FS:  00007f839f965700(0000) GS:ffff88007fc80000(0000) knlGS:0000000000000000
   CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
   CR2: 00007f839f97e000 CR3: 0000000036723000 CR4: 00000000000006e0
   Call Trace:
     ocfs2_setattr+0x698/0xa90 [ocfs2]
     notify_change+0x1ae/0x380
     do_truncate+0x5e/0x90
     do_sys_ftruncate.constprop.11+0x108/0x160
     entry_SYSCALL_64_fastpath+0x12/0x6d
   Code: 24 28 ba d6 01 00 00 48 c7 c6 30 43 62 a0 8b 41 2c 89 44 24 08 48 8b 41 20 48 c7 c1 78 a3 62 a0 48 89 04 24 31 c0 e8 a0 97 f9 ff <0f> 0b 3d 00 fe ff ff 0f 84 ab fd ff ff 83 f8 fc 0f 84 a2 fd ff
   RIP  [<ffffffffa05c8c30>] ocfs2_truncate_file+0x640/0x6c0 [ocfs2]

It's because ocfs2_inode_lock() get us stale LVB in which the i_size is
not equal to the disk i_size.  We mistakenly trust the LVB because the
underlaying fsdlm dlm_lock() doesn't set lkb_sbflags with
DLM_SBF_VALNOTVALID properly for us.  But, why?

The current code tries to downconvert lock without DLM_LKF_VALBLK flag
to tell o2cb don't update RSB's LVB if it's a PR->NULL conversion, even
if the lock resource type needs LVB.  This is not the right way for
fsdlm.

The fsdlm plugin behaves different on DLM_LKF_VALBLK, it depends on
DLM_LKF_VALBLK to decide if we care about the LVB in the LKB.  If
DLM_LKF_VALBLK is not set, fsdlm will skip recovering RSB's LVB from
this lkb and set the right DLM_SBF_VALNOTVALID appropriately when node
failure happens.

The following diagram briefly illustrates how this crash happens:

RSB1 is inode metadata lock resource with LOCK_TYPE_USES_LVB;

The 1st round:

             Node1                                    Node2
RSB1: PR
                                                  RSB1(master): NULL->EX
ocfs2_downconvert_lock(PR->NULL, set_lvb==0)
  ocfs2_dlm_lock(no DLM_LKF_VALBLK)

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

dlm_lock(no DLM_LKF_VALBLK)
  convert_lock(overwrite lkb->lkb_exflags
               with no DLM_LKF_VALBLK)

RSB1: NULL                                        RSB1: EX
                                                  reset Node2
dlm_recover_rsbs()
  recover_lvb()

/* The LVB is not trustable if the node with EX fails and
 * no lock >= PR is left. We should set RSB_VALNOTVALID for RSB1.
 */

 if(!(kb_exflags & DLM_LKF_VALBLK)) /* This means we miss the chance to
           return;                   * to invalid the LVB here.
                                     */

The 2nd round:

         Node 1                                Node2
RSB1(become master from recovery)

ocfs2_setattr()
  ocfs2_inode_lock(NULL->EX)
    /* dlm_lock() return the stale lvb without setting DLM_SBF_VALNOTVALID */
    ocfs2_meta_lvb_is_trustable() return 1 /* so we don't refresh inode from disk */
  ocfs2_truncate_file()
      mlog_bug_on_msg(disk isize != i_size_read(inode))  /* crash! */

The fix is quite straightforward.  We keep to set DLM_LKF_VALBLK flag
for dlm_lock() if the lock resource type needs LVB and the fsdlm plugin
is uesed.

Link: http://lkml.kernel.org/r/1481275846-6604-1-git-send-email-zren@suse.com
Signed-off-by: Eric Ren <zren@suse.com>
Reviewed-by: Joseph Qi <jiangqi903@gmail.com>
Cc: Mark Fasheh <mfasheh@versity.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
 fs/ocfs2/dlmglue.c   | 10 ++++++++++
 fs/ocfs2/stackglue.c |  6 ++++++
 fs/ocfs2/stackglue.h |  3 +++
 3 files changed, 19 insertions(+)

--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -3270,6 +3270,16 @@ static int ocfs2_downconvert_lock(struct
 	mlog(ML_BASTS, "lockres %s, level %d => %d\n", lockres->l_name,
 	     lockres->l_level, new_level);
 
+	/*
+	 * On DLM_LKF_VALBLK, fsdlm behaves differently with o2cb. It always
+	 * expects DLM_LKF_VALBLK being set if the LKB has LVB, so that
+	 * we can recover correctly from node failure. Otherwise, we may get
+	 * invalid LVB in LKB, but without DLM_SBF_VALNOTVALID being set.
+	 */
+	if (!ocfs2_is_o2cb_active() &&
+	    lockres->l_ops->flags & LOCK_TYPE_USES_LVB)
+		lvb = 1;
+
 	if (lvb)
 		dlm_flags |= DLM_LKF_VALBLK;
 
--- a/fs/ocfs2/stackglue.c
+++ b/fs/ocfs2/stackglue.c
@@ -48,6 +48,12 @@ static char ocfs2_hb_ctl_path[OCFS2_MAX_
  */
 static struct ocfs2_stack_plugin *active_stack;
 
+inline int ocfs2_is_o2cb_active(void)
+{
+	return !strcmp(active_stack->sp_name, OCFS2_STACK_PLUGIN_O2CB);
+}
+EXPORT_SYMBOL_GPL(ocfs2_is_o2cb_active);
+
 static struct ocfs2_stack_plugin *ocfs2_stack_lookup(const char *name)
 {
 	struct ocfs2_stack_plugin *p;
--- a/fs/ocfs2/stackglue.h
+++ b/fs/ocfs2/stackglue.h
@@ -289,4 +289,7 @@ void ocfs2_stack_glue_set_max_proto_vers
 int ocfs2_stack_glue_register(struct ocfs2_stack_plugin *plugin);
 void ocfs2_stack_glue_unregister(struct ocfs2_stack_plugin *plugin);
 
+/* In ocfs2_downconvert_lock(), we need to know which stack we are using */
+int ocfs2_is_o2cb_active(void);
+
 #endif  /* STACKGLUE_H */

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[PATCH 3.2 000/199] 3.2.87-rc1 review Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:20 +0100
  [PATCH 3.2 191/199] tun: read vnet_hdr_sz once Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:20 +0100
  [PATCH 3.2 017/199] ext4: fix stack memory corruption with 64k  block size Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:30 +0100
  [PATCH 3.2 028/199] thermal: hwmon: Properly report critical  temperature in sysfs Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:30 +0100
  [PATCH 3.2 188/199] ipv6: pointer math error in ip6_tnl_parse_tlv_enc_lim() Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:30 +0100
  [PATCH 3.2 186/199] can: Fix kernel panic at security_sock_rcv_skb Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:30 +0100
  [PATCH 3.2 009/199] PCI: Check for PME in targeted sleep state Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:30 +0100
  [PATCH 3.2 194/199] mld: do not remove mld souce list info when  set link down Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:30 +0100
  [PATCH 3.2 012/199] powerpc/ibmebus: Fix device reference leaks  in sysfs interface Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:30 +0100
  [PATCH 3.2 029/199] USB: serial: kl5kusb105: fix open error path Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:30 +0100
  [PATCH 3.2 024/199] dm crypt: mark key as invalid until properly  loaded Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:30 +0100
  [PATCH 3.2 016/199] ext4: fix mballoc breakage with 64k block size Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:40 +0100
  [PATCH 3.2 196/199] Revert "KVM: x86: expose MSR_TSC_AUX to  userspace" Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:40 +0100
  [PATCH 3.2 195/199] igmp, mld: Fix memory leak in igmpv3/mld_del_delrec() Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:40 +0100
  [PATCH 3.2 015/199] usb: xhci-mem: use passed in GFP flags  instead of GFP_KERNEL Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:40 +0100
  [PATCH 3.2 025/199] [media] DaVinci-VPFE-Capture: fix error handling Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:40 +0100
  [PATCH 3.2 190/199] tun: Fix TUN_PKT_STRIP setting Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:40 +0100
  [PATCH 3.2 019/199] scsi: mvsas: fix command_active typo Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:40 +0100
  [PATCH 3.2 014/199] powerpc/pci/rpadlpar: Fix device reference leaks Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:50 +0100
  [PATCH 3.2 146/199] net/llc: avoid BUG_ON() in skb_orphan() Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:50 +0100
  Re: [PATCH 3.2 000/199] 3.2.87-rc1 review Guenter Roeck <linux@roeck-us.net> - 2017-03-10 13:50 +0100
    Re: [PATCH 3.2 000/199] 3.2.87-rc1 review Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 021/199] ext4: fix in-superblock mount options processing Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:50 +0100
  [PATCH 3.2 137/199] catc: Combine failure cleanup code in  catc_probe() Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:50 +0100
  [PATCH 3.2 004/199] perf scripting: Avoid leaking the  scripting_context variable Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:50 +0100
  [PATCH 3.2 001/199] staging: iio: ad7606: fix improper setting of  oversampling pins Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:50 +0100
  [PATCH 3.2 110/199] xhci: fix deadlock at host remove by running  watchdog correctly Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:50 +0100
  [PATCH 3.2 129/199] can: bcm: fix hrtimer/tasklet termination in  bcm op removal Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:50 +0100
  [PATCH 3.2 104/199] gro: Disable frag0 optimization on IPv6 ext  headers Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:50 +0100
  [PATCH 3.2 113/199] svcrpc: don't leak contexts on PROC_DESTROY Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 13:50 +0100
  [PATCH 3.2 086/199] x86/cpu: Fix bootup crashes by sanitizing the  argument of the 'clearcpuid=' command-line option Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 136/199] rtl8150: Use heap buffers for all register access Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 126/199] USB: Add quirk for WORLDE easykey.25 MIDI  keyboard Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 120/199] powerpc/ptrace: Preserve previous fprs/vsrs  on short regset write Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 087/199] usb: musb: Fix trying to free already-free IRQ 4 Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 141/199] ping: fix a null pointer dereference Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 082/199] USB: serial: pl2303: fix NULL-deref at open Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 134/199] mac80211: Fix adding of mesh vendor IEs Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 132/199] mm, fs: check for fatal signals in  do_generic_file_read() Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 116/199] can: ti_hecc: add missing prepare and  unprepare of the clock Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 145/199] net/sock: Add sock_efree() function Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 047/199] IB/mad: Fix an array index check Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 071/199] USB: serial: iuu_phoenix: fix NULL-deref at open Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 119/199] nbd: only set MSG_MORE when we have more to send Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 122/199] platform/x86: intel_mid_powerbtn: Set IRQ_ONESHOT Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 083/199] USB: serial: spcp8x5: fix NULL-deref at open Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 056/199] net: korina: Fix NAPI versus resources freeing Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 139/199] ALSA: seq: Fix race at creating a queue Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 117/199] ceph: fix bad endianness handling in  parse_reply_info_extra Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 106/199] sysrq: attach sysrq handler correctly for  32-bit kernel Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 103/199] gro: Enter slow-path if there is no tailroom Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 105/199] ocfs2: fix crash caused by stale lvb with  fsdlm plugin Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 125/199] mm/huge_memory.c: respect FOLL_FORCE/FOLL_COW  for thp Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 068/199] USB: serial: io_edgeport: fix NULL-deref at open Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 124/199] USB: serial: option: add device ID for HP  lt2523 (Novatel E371) Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 131/199] USB: serial: pl2303: add ATEN device ID Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 123/199] crypto: api - Clear CRYPTO_ALG_DEAD bit  before registering an alg Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 127/199] sysctl: fix proc_doulongvec_ms_jiffies_minmax() Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 096/199] USB: serial: ch341: fix initial modem-control  state Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 092/199] USB: ch341: remove redundant close from open  error path Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 115/199] ubifs: Fix journal replay wrt. xattr nodes Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 101/199] USB: serial: ch341: fix baud rate and  line-control handling Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 050/199] scsi: zfcp: do not trace pure benign residual  HBA responses at default level Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 088/199] USB: fix problems with duplicate endpoint  addresses Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 128/199] parisc: Don't use BITS_PER_LONG in  userspace-exported swab.h header Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 108/199] USB: serial: ch341: fix control-message error  handling Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:00 +0100
  [PATCH 3.2 076/199] USB: serial: mos7720: fix parport  use-after-free on probe errors Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 090/199] ata: sata_mv:- Handle return value of  devm_ioremap. Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 080/199] USB: serial: omninet: fix NULL-derefs at open  and disconnect Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 061/199] usb: gadgetfs: restrict upper bound on device  configuration size Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 067/199] USB: serial: garmin_gps: fix memory leak on  failed URB submit Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 085/199] iommu/amd: Fix the left value check of cmd buffer Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 070/199] USB: serial: io_ti: fix another NULL-deref at  open Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 062/199] USB: gadgetfs: fix unbounded memory  allocation bug Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 093/199] USB: ch341: set tty baud speed according to  tty struct Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 073/199] USB: serial: kobil_sct: fix NULL-deref in write Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 075/199] USB: serial: mos7720: fix use-after-free on  probe errors Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 063/199] USB: gadgetfs: fix use-after-free bug Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 048/199] IB/multicast: Check ib_find_pkey() return value Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 074/199] USB: serial: mos7720: fix NULL-deref at open Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 053/199] target/iscsi: Fix double free in  lio_target_tiqn_addtpg() Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 049/199] scsi: zfcp: fix use-after-"free" in FC  ingress path after TMF Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 079/199] USB: serial: mos7840: fix misleading  interrupt-URB comment Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 058/199] net/mlx4: Remove BUG_ON from ICM allocation  routine Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 069/199] USB: serial: io_ti: fix NULL-deref at open Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 097/199] USB: serial: ch341: fix open and resume after B0 Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 064/199] USB: gadgetfs: fix checks of wTotalLength in  config descriptors Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 077/199] USB: serial: mos7720: fix parallel probe Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 078/199] USB: serial: mos7840: fix NULL-deref at open Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 081/199] USB: serial: oti6858: fix NULL-deref at open Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 066/199] USB: serial: cyberjack: fix NULL-deref at open Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 098/199] USB: serial: ch341: fix modem-control and B0  handling Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 089/199] HID: hid-cypress: validate length of report Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 094/199] USB: serial: ch341: add register and USB  request definitions Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 055/199] net, sched: fix soft lockup in tc_classify Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 040/199] ext4: reject inodes with negative size Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:10 +0100
  [PATCH 3.2 037/199] USB: serial: option: add support for Telit  LE922A PIDs 0x1040, 0x1041 Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 044/199] libceph: verify authorize reply on connect Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 005/199] usb: gadget: composite: correctly initialize  ep->maxpacket Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 051/199] scsi: zfcp: fix rport unblock race with LUN  recovery Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 059/199] usb: gadget: composite: Test get_alt()  presence instead of set_alt() Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 038/199] hwmon: (ds620) Fix overflows seen when  writing temperature limits Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 045/199] fsnotify: Fix possible use-after-free in  inode iteration on umount Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 046/199] block_dev: don't test bdev->bd_contains when  it is not stable Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 031/199] drivers: base: dma-mapping: Fix typo in  dmam_alloc_non_coherent comments Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 065/199] xhci: free xhci virtual devices with leaf  nodes first Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 034/199] USB: cdc-acm: add device id for GW Instek AFG-125 Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 036/199] ALSA: usb-audio: Add QuickCam Communicate  Deluxe/S7500 to volume_control_quirks Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 022/199] ext4: use more strict checks for  inodes_per_block on mount Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 002/199] net/sched: em_meta: Fix 'meta vlan' to  correctly recognize zero VID frames Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 041/199] kconfig/nconf: Fix hang when editing symbol  with a long prompt Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 032/199] powerpc/ps3: Fix system hang with GCC 5 builds Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 010/199] USB: UHCI: report non-PME wakeup signalling  for Intel hardware Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 057/199] net/mlx4_en: Fix bad WQE issue Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 006/199] drm/gma500: Add compat ioctl Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 008/199] xfs: fix up xfs_swap_extent_forks inline  extent handling Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 035/199] hotplug: Make register and unregister  notifier API symmetric Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 039/199] nfs_write_end(): fix handling of short copies Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 026/199] regmap: cache: Remove unused 'blksize' variable Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 052/199] scsi: avoid a permanent stop of the scsi  device's request queue Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 033/199] Btrfs: fix tree search logic when replaying  directory entry deletes Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 030/199] USB: serial: kl5kusb105: abort on open  exception path Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 054/199] Input: i8042 - add Pegatron touchpad to  noloop table Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 060/199] USB: dummy-hcd: fix bug in stop_activity  (handle ep0) Ben Hutchings <ben@decadent.org.uk> - 2017-03-10 14:20 +0100
  [PATCH 3.2 000/202] 3.2.87-rc2 review Ben Hutchings <ben@decadent.org.uk> - 2017-03-11 16:30 +0100
    [PATCH 3.2 202/202] tty: n_hdlc: get rid of racy n_hdlc.tbuf Ben Hutchings <ben@decadent.org.uk> - 2017-03-11 16:30 +0100
    [PATCH 3.2 201/202] list: introduce list_first_entry_or_null Ben Hutchings <ben@decadent.org.uk> - 2017-03-11 16:30 +0100
    [PATCH 3.2 200/202] TTY: n_hdlc, fix lockdep false positive Ben Hutchings <ben@decadent.org.uk> - 2017-03-11 16:30 +0100
    Re: [PATCH 3.2 000/202] 3.2.87-rc2 review Guenter Roeck <linux@roeck-us.net> - 2017-03-12 19:20 +0100

csiph-web