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Bug #4685
closedBUG: unable to handle kernel NULL pointer dereference at
Status:
Can't reproduce
Priority:
Normal
Assignee:
-
Category:
-
Target version:
-
% Done:
0%
Source:
Development
Tags:
Backport:
Regression:
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Component(FS):
Labels (FS):
Pull request ID:
Crash signature (v1):
Crash signature (v2):
Description
0.56.4 ceph, 3.8 kernel
[ 243.454805] BUG: unable to handle kernel NULL pointer dereference at (null) [ 243.455040] IP: [<ffffffffa019e4af>] ceph_con_open+0x9f/0x1a0 [libceph] [ 243.455197] PGD 0 [ 243.455330] Oops: 0000 [#1] SMP [ 243.455516] Modules linked in: ceph libceph libcrc32c xt_multiport xt_tcpudp iptable_filter ip_tables coretemp x_tables gpi o_ich i7core_edac kvm_intel qlcnic kvm edac_core mptctl mptbase lpc_ich mac_hid serio_raw lp parport microcode raid10 raid456 async_pq async_xor xor async_memcpy async_raid6_recov igb raid6_pq ahci async_tx dca libahci ptp raid1 pps_core raid0 multipat h linear [ 243.457929] CPU 0 [ 243.457988] Pid: 38, comm: kworker/0:1 Not tainted 3.8.0-17-hst #27 HP ProLiant DL160 G6 [ 243.458193] RIP: 0010:[<ffffffffa019e4af>] [<ffffffffa019e4af>] ceph_con_open+0x9f/0x1a0 [libceph] [ 243.458379] RSP: 0018:ffff880428eada88 EFLAGS: 00010246 [ 243.458473] RAX: 0000000000000088 RBX: ffff880425abf040 RCX: 0000000000000011 [ 243.458572] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff880425abf068 [ 243.458672] RBP: ffff880428eadab8 R08: ffff88042f216c00 R09: ffffea0010966400 [ 243.458771] R10: ffffffffa0277812 R11: 000000000000000d R12: ffff880425abf1c0 [ 243.458871] R13: 0000000000000001 R14: 0000000000000002 R15: 0000000000000000 [ 243.458971] FS: 0000000000000000(0000) GS:ffff88042f200000(0000) knlGS:0000000000000000 [ 243.459100] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 243.459195] CR2: 0000000000000000 CR3: 0000000001c0d000 CR4: 00000000000007f0 [ 243.459294] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 243.459394] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 243.459494] Process kworker/0:1 (pid: 38, threadinfo ffff880428eac000, task ffff880428ea1740) [ 243.459624] Stack: [ 243.459706] ffff880428eadab8 ffff880425abf000 ffff88042224a400 0000000000000001 [ 243.460030] ffff880425abf040 0000000000000002 ffff880428eadb08 ffffffffa027773d [ 243.460353] ffff880428321f50 ffff88042771ef30 ffff880428eadb18 0000000000000000 [ 243.460676] Call Trace: [ 243.460773] [<ffffffffa027773d>] register_session+0x20d/0x340 [ceph] [ 243.460879] [<ffffffffa0278293>] __open_export_target_sessions+0xd3/0x150 [ceph] [ 243.461014] [<ffffffffa0278416>] ceph_mdsc_open_export_target_sessions+0x36/0x50 [ceph] [ 243.461150] [<ffffffffa0271526>] ceph_handle_caps+0x216/0x410 [ceph] [ 243.461256] [<ffffffffa027c8ed>] dispatch+0xcd/0x180 [ceph] [ 243.461355] [<ffffffffa019c58f>] process_message+0x8f/0x180 [libceph] [ 243.461458] [<ffffffffa01a0f9c>] ? read_partial_message+0x1fc/0x510 [libceph] [ 243.461588] [<ffffffff815da0d6>] ? kernel_recvmsg+0x46/0x60 [ 243.461688] [<ffffffffa01a1579>] try_read+0x2c9/0x570 [libceph] [ 243.461789] [<ffffffffa01a18c0>] con_work+0xa0/0x230 [libceph] [ 243.461887] [<ffffffff81078ea1>] process_one_work+0x141/0x490 [ 243.461983] [<ffffffff81079d78>] worker_thread+0x168/0x400 [ 243.462079] [<ffffffff81079c10>] ? manage_workers+0x120/0x120 [ 243.462176] [<ffffffff8107f3a0>] kthread+0xc0/0xd0 [ 243.462270] [<ffffffff8107f2e0>] ? flush_kthread_worker+0xb0/0xb0 [ 243.462369] [<ffffffff8170d4ac>] ret_from_fork+0x7c/0xb0 [ 243.462464] [<ffffffff8107f2e0>] ? flush_kthread_worker+0xb0/0xb0 [ 243.462560] Code: 4c 89 fe b8 88 00 00 00 40 f6 c7 01 75 7e 40 f6 c7 02 0f 85 94 00 00 00 40 f6 c7 04 0f 85 aa 00 00 00 89 c1 31 d2 c1 e9 03 a8 04 <f3> 48 a5 74 09 8b 16 89 17 ba 04 00 00 00 a8 02 74 0c 0f b7 0c [ 243.465951] RIP [<ffffffffa019e4af>] ceph_con_open+0x9f/0x1a0 [libceph] [ 243.466102] RSP <ffff880428eada88>
Updated by Sage Weil almost 11 years ago
- Status changed from New to 7
proposed fix in testing branch, 'ceph: fix null pointer dereference'
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