> On 18 Apr 2017, at 19:33, Jerry Lee <leisurelysw24@xxxxxxxxx> wrote: > > Hi, > > With the following operations on a CephFS, a kernel panic can be > triggered easily. It seems that updating the file attribute via > __ceph_setattr() in ceph_set_acl() might race with another > ceph_setattr() operation which results in the file attribute bounces > back and forward. Under such condition, the call stack is overran and > kernel crashes. Is it right? Thanks for any idea and feedback in > advance. > > environment: > ========= > linux-4.8.4 > ceph version v11.0.2 > > commands: > ========= > 1) mount -t ceph x.x.x.x:/ /mnt/cephfs -o name=admin,secret=xxxx > 2) setfacl -b /mnt/cephfs/ > setfacl -m u:0:rwx,g:0:rwx /mnt/cephfs/ > setfacl -dm u:0:rwx,g:0:rwx /mnt/cephfs/ > setfacl -b /mnt/cephfs/ > > call traces: > ======== > <1>[344341.767823] BUG: unable to handle kernel paging request at > fffffffb8a5707a8 > <1>[344341.767826] IP: [<ffffffff810aff73>] cpuacct_charge+0x23/0x40 > <4>[344341.767830] PGD 1f21067 PUD 0 > <0>[344341.767831] Thread overran stack, or stack corrupted > <4>[344341.767832] Oops: 0000 [#1] SMP > <4>[344341.767872] Call Trace: > <4>[344341.767875] [<ffffffff810a1add>] update_curr+0xcd/0x130 > <4>[344341.767876] [<ffffffff810a35ed>] enqueue_entity+0x3d/0xb40 > <4>[344341.767878] [<ffffffff810a4153>] enqueue_task_fair+0x63/0x7d0 > <4>[344341.767879] [<ffffffff8109f4b4>] ? sched_clock_cpu+0x94/0xa0 > <4>[344341.767881] [<ffffffff8109657e>] enqueue_task+0x2e/0x70 > <4>[344341.767883] [<ffffffff81099b2b>] activate_task+0x2b/0x30 > <4>[344341.767884] [<ffffffff81099e03>] > ttwu_do_activate.constprop.108+0x33/0x70 > <4>[344341.767886] [<ffffffff8109a74d>] try_to_wake_up+0x22d/0x2f0 > <4>[344341.767887] [<ffffffff8109a837>] wake_up_process+0x27/0x50 > <4>[344341.767891] [<ffffffff81b40975>] ? _cond_resched+0x5/0x30 > <4>[344341.767894] [<ffffffff81088a24>] wake_up_worker+0x24/0x30 > <4>[344341.767895] [<ffffffff8108a93e>] insert_work+0x6e/0xb0 > <4>[344341.767896] [<ffffffff81b40975>] ? _cond_resched+0x5/0x30 > <4>[344341.767899] [<ffffffff8117fb4b>] ? kmem_cache_alloc+0x55b/0x690 > <4>[344341.767900] [<ffffffff8108aaae>] __queue_work+0x12e/0x2f0 > <4>[344341.767902] [<ffffffff8108b21e>] __queue_delayed_work+0x8e/0x140 > <4>[344341.767903] [<ffffffff8108b2ed>] queue_delayed_work_on+0x1d/0x30 > <4>[344341.767907] [<ffffffffa08e266e>] queue_con_delay+0x3e/0xf0 [libceph] > <4>[344341.767909] [<ffffffffa08e3c2a>] ceph_con_send+0xfa/0x1f0 [libceph] > <4>[344341.767912] [<ffffffffa0940360>] __do_request+0x200/0x2f0 [ceph] > <4>[344341.767914] [<ffffffffa094159d>] ceph_mdsc_do_request+0x9d/0x2a0 [ceph] > <4>[344341.767916] [<ffffffffa0925888>] __ceph_do_getattr+0xa8/0x1c0 [ceph] > <4>[344341.767919] [<ffffffffa093bd56>] __ceph_getxattr+0xa6/0x190 [ceph] > <4>[344341.767921] [<ffffffffa094657c>] ceph_get_acl+0x4c/0x150 [ceph] > <4>[344341.767923] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.767925] [<ffffffff811efbb4>] get_acl+0x44/0x60 > <4>[344341.767926] [<ffffffff811eff00>] posix_acl_chmod+0x40/0xd0 > <4>[344341.767928] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.767929] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.767931] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.767934] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.767935] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.767936] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.767938] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.767940] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.767941] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.767942] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.767944] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.767945] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.767947] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.767949] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.767950] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.767951] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.767953] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.767954] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.767956] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.767957] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.767958] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.767961] [<ffffffff811ef741>] ? posix_acl_alloc+0x21/0x40 > <4>[344341.767962] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.767964] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.767965] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.767966] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.767968] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.767970] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.767971] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.767973] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.767974] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.767975] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.767977] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.767979] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.767980] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.767981] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.767983] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.767984] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.767986] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.767987] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.767988] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.767990] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.767991] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.767993] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.767995] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.767996] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.767997] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.767999] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768000] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768002] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768003] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768004] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768006] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768008] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768009] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768010] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768012] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768013] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768015] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768016] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768017] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768019] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768020] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768022] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768024] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768025] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768026] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768028] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768029] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768031] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768032] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768033] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768035] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768037] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768038] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768039] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768041] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768042] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768044] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768045] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768046] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768048] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768049] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768051] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768052] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768053] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768055] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768056] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768058] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768059] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768060] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768062] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768063] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768065] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768067] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768068] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768069] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768071] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768072] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768074] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768075] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768076] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768078] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768079] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768081] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768082] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768083] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768085] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768087] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768088] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768089] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768090] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768092] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768094] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768095] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768096] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768098] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768099] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768101] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768102] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768103] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768105] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768106] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768108] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768109] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768110] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768112] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768114] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768115] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768117] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768118] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768119] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768121] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768122] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768124] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768125] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768126] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768128] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768130] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768131] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768132] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768133] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768135] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768137] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768138] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768139] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768141] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768142] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768144] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768145] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768147] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768149] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768151] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768163] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768164] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768165] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768167] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768169] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768170] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768172] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768173] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768174] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768176] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768178] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768189] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768190] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768192] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768193] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768195] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768196] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768197] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768199] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768201] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768202] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768204] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768205] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768206] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768208] [<ffffffff81b43e95>] ? _raw_spin_lock+0x5/0x30 > <4>[344341.768210] [<ffffffffa0946789>] ceph_set_acl+0x109/0x250 [ceph] > <4>[344341.768211] [<ffffffff810c8fca>] ? kfree_call_rcu+0x1a/0x20 > <4>[344341.768212] [<ffffffff811eff62>] posix_acl_chmod+0xa2/0xd0 > <4>[344341.768214] [<ffffffffa0925228>] ceph_setattr+0x3a8/0x960 [ceph] > <4>[344341.768215] [<ffffffff8119bbbb>] ? putname+0x5b/0x60 > <4>[344341.768217] [<ffffffff811aeb31>] notify_change+0x1e1/0x340 > <4>[344341.768219] [<ffffffff8118d723>] chmod_common+0xb3/0x130 > <4>[344341.768221] [<ffffffff8118e96a>] SyS_chmod+0x4a/0xb0 > <4>[344341.768223] [<ffffffff81b441d7>] entry_SYSCALL_64_fastpath+0x12/0x6a > <4>[344341.768223] Code: 0f 1f 84 00 00 00 00 00 e8 bb 66 a9 00 48 8b > 47 08 55 48 89 e5 48 63 48 10 48 8b 87 a0 06 00 00 48 8b 50 60 48 8b > 82 b0 00 00 00 <48> 03 04 cd c0 30 06 82 48 01 30 48 8b 52 48 48 85 d2 > 75 e5 5d > <1>[344341.768236] RIP [<ffffffff810aff73>] cpuacct_charge+0x23/0x40 > <4>[344341.768237] RSP <ffff88041db38008> > <4>[344341.768238] CR2: fffffffb8a5707a8 > <4>[344341.768239] ---[ end trace 6c9d7c6b7c9430e7 ]--- > <1>[344342.248810] BUG: unable to handle kernel paging request at > fffffffffffffff6 > <1>[344342.248812] IP: [<ffffffff8108e4de>] find_pid_ns+0x5e/0x80 > <4>[344342.248817] PGD 1f21067 PUD 1f23067 PMD 0 > <4>[344342.248818] Oops: 0000 [#2] SMP Thank you for reporting this. I opened ticket http://tracker.ceph.com/issues/19688 and proposed a fix Yan, Zheng-- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
