https://bugzilla.novell.com/show_bug.cgi?id=769654 https://bugzilla.novell.com/show_bug.cgi?id=769654#c0 Summary: BUG: unable to handle kernel NULL pointer dereference at 0000000000000030 (drbdadm) Classification: openSUSE Product: openSUSE 12.2 Version: Factory Platform: HP OS/Version: SLES 11 Status: NEW Severity: Critical Priority: P5 - None Component: Kernel AssignedTo: kernel-maintainers@forge.provo.novell.com ReportedBy: external.martin.konold@de.bosch.com QAContact: qa-bugs@suse.de Found By: --- Blocker: --- User-Agent: Mozilla/5.0 (X11; Linux i686; rv:11.0) Gecko/20100101 Firefox/11.0 This is the SLES11 SP2 Kernel from http://download.opensuse.org/repositories/Kernel:/SLE11-SP2/standard/Kernel:... [ 5150.507210] BUG: unable to handle kernel NULL pointer dereference at 0000000000000030 [ 5150.554228] IP: [<ffffffff81370188>] sock_ioctl+0x28/0x280 [ 5150.587788] PGD bc84ab067 PUD bf9a14067 PMD 0 [ 5150.614782] Oops: 0000 [#1] SMP [ 5150.633874] CPU 7 [ 5150.644746] Modules linked in: md5 sctp dlm configfs drbd crc32c libcrc32c edd af_packet bridge stp llc cpufreq_conservative cpufreq_userspace cpufreq_powersave pcc_cpufreq mperf microcode fuse loop vhost_net macvtap macvlan tun ipv6 kvm_intel kvm ipv6_lib button bnx2 be2net iTCO_wdt rtc_cmos hpilo joydev hpwdt acpi_power_meter iTCO_vendor_support pcspkr i7core_edac edac_core container ext3 jbd mbcache usbhid hid dm_mirror dm_region_hash dm_log linear uhci_hcd ehci_hcd usbcore usb_common thermal processor thermal_sys hwmon scsi_dh_emc scsi_dh_alua scsi_dh_hp_sw scsi_dh_rdac scsi_dh dm_snapshot dm_mod cciss scsi_mod [last unloaded: ocfs2_stackglue] [ 5150.968629] Supported: Yes [ 5150.983816] [ 5150.992311] Pid: 12859, comm: drbdadm Not tainted 3.0.36-5-default #1 HP ProLiant DL380 G7 [ 5151.039415] RIP: 0010:[<ffffffff81370188>] [<ffffffff81370188>] sock_ioctl+0x28/0x280 [ 5151.086880] RSP: 0018:ffff880bb39efee8 EFLAGS: 00010296 [ 5151.118388] RAX: 0000000000000000 RBX: 0000000000005401 RCX: 00007fff04f3b9a0 [ 5151.162217] RDX: 00007fff04f3b9a0 RSI: 0000000000005401 RDI: ffff880bf67b9d40 [ 5151.203955] RBP: 00007fff04f3b9a0 R08: 0000000000000000 R09: 00007f244bd3a640 [ 5151.246458] R10: 00007fff04f3b7d0 R11: ffffffff811e0880 R12: 00007fff04f3b9a0 [ 5151.288469] R13: 0000000000000000 R14: 0000000000005401 R15: 0000000000000000 [ 5151.330390] FS: 00007f244bf0b700(0000) GS:ffff880c1fc60000(0000) knlGS:0000000000000000 [ 5151.375088] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5151.405876] CR2: 0000000000000030 CR3: 0000000bf7d91000 CR4: 00000000000006e0 [ 5151.445660] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5151.485548] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 5151.527552] Process drbdadm (pid: 12859, threadinfo ffff880bb39ee000, task ffff880ba9e94100) [ 5151.577061] Stack: [ 5151.588950] 0000000000000206 ffff880bf8940dc0 00007fff04f3b9a0 00007fff04f3b9a0 [ 5151.633147] 0000000000000000 ffffffff81160d6b 0000000000000006 0000000000000000 [ 5151.676998] 0000000000000000 ffff880bf8940dc0 00007fff04f3b9a0 ffffffff81161131 [ 5151.721087] Call Trace: [ 5151.735590] [<ffffffff81160d6b>] do_vfs_ioctl+0x8b/0x3b0 [ 5151.768029] [<ffffffff81161131>] sys_ioctl+0xa1/0xb0 [ 5151.798222] [<ffffffff81449392>] system_call_fastpath+0x16/0x1b [ 5151.833109] [<00007f244ba87677>] 0x7f244ba87676 [ 5151.859997] Code: 00 00 00 48 83 ec 28 48 89 5c 24 08 48 89 6c 24 10 89 f3 4c 89 64 24 18 4c 89 6c 24 20 48 89 d5 48 8b bf a0 00 00 00 48 8b 47 20 <4c> 8b 60 30 8d 83 10 76 ff ff 83 f8 0f 0f 86 a5 00 00 00 8d 83 [ 5151.965856] RIP [<ffffffff81370188>] sock_ioctl+0x28/0x280 [ 5151.997469] RSP <ffff880bb39efee8> [ 5152.016934] CR2: 0000000000000030 [ 5152.101432] ---[ end trace e9ab3fb1b045c3e8 ]--- [ 5152.128469] block drbd0: helper command: /sbin/drbdadm before-resync-source minor-0 exit code 0 (0x9) [ 5152.183697] block drbd0: conn( WFBitMapS -> SyncSource ) pdsk( Consistent -> Inconsistent ) [ 5152.234317] block drbd0: Began resync as SyncSource (will sync 4096 KB [1024 bits set]). Reproducible: Always Steps to Reproduce: 1. split brain DRBD setup 2. 3. I produced this bug without any 3rd party kmps. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.