Junxiao Bi 9e13f1f9de ocfs2: o2hb: fix double free bug ... This is a regression issue and caused the following kernel panic when do ocfs2 multiple test. BUG: unable to handle kernel paging request at 00000002000800c0 IP: [<ffffffff81192978>] kmem_cache_alloc+0x78/0x160 PGD 7bbe5067 PUD 0 Oops: 0000 [#1] SMP Modules linked in: ocfs2_dlmfs ocfs2_stack_o2cb ocfs2_dlm ocfs2_nodemanager ocfs2_stackglue iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi xen_kbdfront xen_netfront xen_fbfront xen_blkfront CPU: 2 PID: 4044 Comm: mpirun Not tainted 4.5.0-rc5-next-20160225 #1 Hardware name: Xen HVM domU, BIOS 4.3.1OVM 05/14/2014 task: ffff88007a521a80 ti: ffff88007aed0000 task.ti: ffff88007aed0000 RIP: 0010:[<ffffffff81192978>] [<ffffffff81192978>] kmem_cache_alloc+0x78/0x160 RSP: 0018:ffff88007aed3a48 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000001991 RDX: 0000000000001990 RSI: 00000000024000c0 RDI: 000000000001b330 RBP: ffff88007aed3a98 R08: ffff88007d29b330 R09: 00000002000800c0 R10: 0000000c51376d87 R11: ffff8800792cac38 R12: ffff88007cc30f00 R13: 00000000024000c0 R14: ffffffff811b053f R15: ffff88007aed3ce7 FS: 0000000000000000(0000) GS:ffff88007d280000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000002000800c0 CR3: 000000007aeb2000 CR4: 00000000000406e0 Call Trace: __d_alloc+0x2f/0x1a0 d_alloc+0x17/0x80 lookup_dcache+0x8a/0xc0 path_openat+0x3c3/0x1210 do_filp_open+0x80/0xe0 do_sys_open+0x110/0x200 SyS_open+0x19/0x20 do_syscall_64+0x72/0x230 entry_SYSCALL64_slow_path+0x25/0x25 Code: 05 e6 77 e7 7e 4d 8b 08 49 8b 40 10 4d 85 c9 0f 84 dd 00 00 00 48 85 c0 0f 84 d4 00 00 00 49 63 44 24 20 49 8b 3c 24 48 8d 4a 01 <49> 8b 1c 01 4c 89 c8 65 48 0f c7 0f 0f 94 c0 3c 01 75 b6 49 63 RIP kmem_cache_alloc+0x78/0x160 CR2: 00000002000800c0 ---[ end trace 823969e602e4aaac ]--- Fixes: a4a1dfa4bb8b("ocfs2/cluster: fix memory leak in o2hb_region_release") Signed-off-by: Junxiao Bi <junxiao.bi@oracle.com> Reviewed-by: Joseph Qi <joseph.qi@huawei.com> Cc: Mark Fasheh <mfasheh@suse.de> Cc: Joel Becker <jlbec@evilplan.org> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2016-03-25 16:37:42 -07:00
..
Makefile	ocfs2: remove versioning information	2014-01-21 16:19:41 -08:00
heartbeat.c	ocfs2: o2hb: fix double free bug	2016-03-25 16:37:42 -07:00
heartbeat.h	ocfs2: fix deadlock between o2hb thread and o2net_wq	2014-10-09 22:25:47 -04:00
masklog.c	ocfs2: remove __mlog_cpu_guess	2015-06-24 17:49:39 -07:00
masklog.h	ocfs2: reduce object size of mlog uses	2015-06-24 17:49:39 -07:00
netdebug.c	fs/ocfs2/cluster/netdebug.c: use seq_open_private() not seq_open()	2014-10-09 22:25:47 -04:00
nodemanager.c	configfs: switch ->default groups to a linked list	2016-03-06 16:11:24 +01:00
nodemanager.h	ocfs2/cluster: Make fence method configurable - v2	2009-12-02 16:49:26 -08:00
ocfs2_heartbeat.h	ocfs2: warn the user on a dead timeout mismatch	2006-06-29 15:45:35 -07:00
ocfs2_nodemanager.h	ocfs2/dlm: Add message DLM_QUERY_REGION	2010-10-09 10:26:23 -07:00
quorum.c	ocfs2: quorum: add a log for node not fenced	2014-08-29 16:28:17 -07:00
quorum.h	[PATCH] OCFS2: The Second Oracle Cluster Filesystem	2006-01-03 11:45:46 -08:00
sys.c	VERIFY_OCTAL_PERMISSIONS: stricter checking for sysfs perms.	2014-03-24 12:21:00 +10:30
sys.h	[PATCH] OCFS2: The Second Oracle Cluster Filesystem	2006-01-03 11:45:46 -08:00
tcp.c	ocfs2: o2net: should remove debugfs in o2net_init() out branch	2015-06-24 17:49:39 -07:00
tcp.h	ocfs2: o2net: set tcp user timeout to max value	2014-08-29 16:28:16 -07:00
tcp_internal.h	ocfs2: fix wrong comment	2015-02-10 14:30:28 -08:00