Bug 79581

Summary: Multiple call traces
Product: Other Reporter: Matias A. Fonzo (selk)
Component: ModulesAssignee: other_modules
Status: NEW ---    
Severity: normal CC: selk, szg00000
Priority: P1    
Hardware: x86-64   
OS: Linux   
Kernel Version: 3.2.60 Subsystem:
Regression: No Bisected commit-id:

Description Matias A. Fonzo 2014-07-07 06:53:28 UTC 
Sometimes I'm receiving these call traces on an Intel i7 3770K, Motherboard P8ZZ7-M PRO:

Jul  6 17:41:06 rafaela kernel: [   15.545652] ------------[ cut here ]------------
Jul  6 17:41:06 rafaela kernel: [   15.545658] WARNING: at mm/rmap.c:214 unlink_anon_vmas+0x1d2/0x1e0()
Jul  6 17:41:06 rafaela kernel: [   15.545660] Hardware name: System Product Name
Jul  6 17:41:06 rafaela kernel: [   15.545660] Modules linked in: snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss fuse snd_hda_codec_hdmi snd_hda_codec_realtek eeepc_wmi asus_wmi sparse_keymap rfkill snd_hda_intel snd_hda_codec i2c_i801 joydev mac_hid processor thermal video fan snd_hwdep snd_pcm snd_timer snd thermal_sys mxm_wmi wmi i2c_core evdev intel_agp intel_gtt agpgart soundcore snd_page_alloc psmouse iTCO_wdt r8169 pcspkr serio_raw button mii iTCO_vendor_support hwmon
Jul  6 17:41:06 rafaela kernel: [   15.545681] Pid: 319, comm: udevd Not tainted 3.2.60-smp64 #1
Jul  6 17:41:06 rafaela kernel: [   15.545682] Call Trace:
Jul  6 17:41:06 rafaela kernel: [   15.545687]  [<ffffffff81054b2b>] ? warn_slowpath_common+0x7b/0xc0
Jul  6 17:41:06 rafaela kernel: [   15.545689]  [<ffffffff81110b82>] ? unlink_anon_vmas+0x1d2/0x1e0
Jul  6 17:41:06 rafaela kernel: [   15.545692]  [<ffffffff81103fd9>] ? free_pgtables+0x99/0x110
Jul  6 17:41:06 rafaela kernel: [   15.545695]  [<ffffffff8110d05e>] ? exit_mmap+0xde/0x120
Jul  6 17:41:06 rafaela kernel: [   15.545697]  [<ffffffff81052274>] ? mmput+0x54/0x120
Jul  6 17:41:06 rafaela kernel: [   15.545698]  [<ffffffff81056e27>] ? exit_mm+0xf7/0x120
Jul  6 17:41:06 rafaela kernel: [   15.545702]  [<ffffffff8169e479>] ? down_read+0x9/0x20
Jul  6 17:41:06 rafaela kernel: [   15.545703]  [<ffffffff810586fa>] ? do_exit+0x15a/0x870
Jul  6 17:41:06 rafaela kernel: [   15.545706]  [<ffffffff8112b052>] ? kmem_cache_free+0x12/0xe0
Jul  6 17:41:06 rafaela kernel: [   15.545707]  [<ffffffff8110bb06>] ? do_munmap+0x2d6/0x360
Jul  6 17:41:06 rafaela kernel: [   15.545709]  [<ffffffff810590a3>] ? do_group_exit+0x53/0xc0
Jul  6 17:41:06 rafaela kernel: [   15.545710]  [<ffffffff81059122>] ? sys_exit_group+0x12/0x20
Jul  6 17:41:06 rafaela kernel: [   15.545712]  [<ffffffff8169f8bb>] ? system_call_fastpath+0x16/0x1b
Jul  6 17:41:06 rafaela kernel: [   15.545713] ---[ end trace b79d3074f75f6a04 ]---
Jul  6 17:41:06 rafaela kernel: [   15.548290]  snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss fuse snd_hda_codec_hdmi snd_hda_codec_realtek eeepc_wmi asus_wmi sparse_keymap rfkill snd_hda_intel snd_hda_codec i2c_i801 joydev mac_hid processor thermal video fan snd_hwdep snd_pcm snd_timer snd thermal_sys mxm_wmi wmi i2c_core evdev intel_agp intel_gtt agpgart soundcore snd_page_alloc psmouse iTCO_wdt r8169 pcspkr serio_raw button mii iTCO_vendor_support hwmon
Jul  6 17:41:06 rafaela kernel: [   15.550377] 
Jul  6 17:41:06 rafaela kernel: [   15.550479] Pid: 321, comm: udevd Tainted: G        W    3.2.60-smp64 #1 System manufacturer System Product Name/P8Z77-M PRO
Jul  6 17:41:06 rafaela kernel: [   15.550793] RIP: 0010:[<ffffffff8169dc89>]  [<ffffffff8169dc89>] mutex_lock+0x19/0x40
Jul  6 17:41:06 rafaela kernel: [   15.551002] RSP: 0018:ffff88021171bcf8  EFLAGS: 00010296
Jul  6 17:41:06 rafaela kernel: [   15.551105] RAX: 0000000000000000 RBX: 0000000000100108 RCX: ffff8802116159f0
Jul  6 17:41:06 rafaela kernel: [   15.551209] RDX: ffff88021171bfd8 RSI: ffff880215face58 RDI: 0000000000100108
Jul  6 17:41:06 rafaela kernel: [   15.551314] RBP: ffff880213a08ab0 R08: 00007f8ba4219000 R09: dead000000100100
Jul  6 17:41:06 rafaela kernel: [   15.551418] R10: 0000000000000002 R11: ffff88021efd9000 R12: ffff8802139e23f0
Jul  6 17:41:06 rafaela kernel: [   15.551522] R13: 0000000000100100 R14: 0000000000100100 R15: ffff880211721120
Jul  6 17:41:06 rafaela kernel: [   15.551627] FS:  0000000000000000(0000) GS:ffff88021ec00000(0000) knlGS:0000000000000000
Jul  6 17:41:06 rafaela kernel: [   15.551798] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jul  6 17:41:06 rafaela kernel: [   15.551901] CR2: 0000000000100108 CR3: 0000000211603000 CR4: 00000000001406f0
Jul  6 17:41:06 rafaela kernel: [   15.552005] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jul  6 17:41:06 rafaela kernel: [   15.552110] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jul  6 17:41:06 rafaela kernel: [   15.552214] Process udevd (pid: 321, threadinfo ffff88021171a000, task ffff88021516ed80)
Jul  6 17:41:06 rafaela kernel: [   15.552384] Stack:
Jul  6 17:41:06 rafaela kernel: [   15.552486]  ffff8802139e2510 ffff8802139e2420 ffff880213a08ab0 ffffffff81110a19
Jul  6 17:41:06 rafaela kernel: [   15.552798]  00007f8b7fffffff ffff8802117210b0 ffff880215face78 ffff8802117210b0
Jul  6 17:41:06 rafaela kernel: [   15.553109]  ffff880211721160 0000000000000000 ffff88021171bda8 0000000000000000
Jul  6 17:41:06 rafaela kernel: [   15.553421] Call Trace:
Jul  6 17:41:06 rafaela kernel: [   15.553525]  [<ffffffff81110a19>] ? unlink_anon_vmas+0x69/0x1e0
Jul  6 17:41:06 rafaela kernel: [   15.553629]  [<ffffffff81103fd9>] ? free_pgtables+0x99/0x110
Jul  6 17:41:06 rafaela kernel: [   15.553734]  [<ffffffff8110d05e>] ? exit_mmap+0xde/0x120
Jul  6 17:41:06 rafaela kernel: [   15.553839]  [<ffffffff81052274>] ? mmput+0x54/0x120
Jul  6 17:41:06 rafaela kernel: [   15.553943]  [<ffffffff81056e27>] ? exit_mm+0xf7/0x120
Jul  6 17:41:06 rafaela kernel: [   15.554048]  [<ffffffff8169e479>] ? down_read+0x9/0x20
Jul  6 17:41:06 rafaela kernel: [   15.554152]  [<ffffffff810586fa>] ? do_exit+0x15a/0x870
Jul  6 17:41:06 rafaela kernel: [   15.554257]  [<ffffffff8112b052>] ? kmem_cache_free+0x12/0xe0
Jul  6 17:41:06 rafaela kernel: [   15.554363]  [<ffffffff8110bb06>] ? do_munmap+0x2d6/0x360
Jul  6 17:41:06 rafaela kernel: [   15.554467]  [<ffffffff810590a3>] ? do_group_exit+0x53/0xc0
Jul  6 17:41:06 rafaela kernel: [   15.554572]  [<ffffffff81059122>] ? sys_exit_group+0x12/0x20
Jul  6 17:41:06 rafaela kernel: [   15.554676]  [<ffffffff8169f8bb>] ? system_call_fastpath+0x16/0x1b
Jul  6 17:41:06 rafaela kernel: [   15.554780] Code: 01 00 00 00 c3 31 c0 c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 ec 18 48 89 5c 24 08 48 89 fb 48 89 6c 24 10 e8 2a f4 ff ff 48 89 df <f0> ff 0f 79 05 e8 cd 01 00 00 65 48 8b 04 25 40 b6 00 00 48 8b 
Jul  6 17:41:06 rafaela kernel: [   15.557335] RIP  [<ffffffff8169dc89>] mutex_lock+0x19/0x40
Jul  6 17:41:06 rafaela kernel: [   15.557475]  RSP <ffff88021171bcf8>
Jul  6 17:41:06 rafaela kernel: [   15.557578] CR2: 0000000000100108
Jul  6 17:41:06 rafaela kernel: [   15.557681] BUG: unable to handle kernel 
Jul  6 17:41:06 rafaela kernel: [   15.557684] ---[ end trace b79d3074f75f6a05 ]---
Jul  6 17:41:06 rafaela kernel: [   15.557685] Fixing recursive fault but reboot is needed!
Jul  6 17:41:06 rafaela kernel: [   15.559873] paging request at ffff880300000007
Jul  6 17:41:06 rafaela kernel: [   15.560011] IP: [<ffffffff8169dc89>] mutex_lock+0x19/0x40
Jul  6 17:41:06 rafaela kernel: [   15.560151] PGD 1c06063 PUD 0 
Jul  6 17:41:06 rafaela kernel: [   15.560324] Oops: 0002 [#2] SMP 
Jul  6 17:41:06 rafaela kernel: [   15.560498] CPU 5 
Jul  6 17:41:06 rafaela kernel: [   15.560535] Modules linked in: snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss fuse snd_hda_codec_hdmi snd_hda_codec_realtek eeepc_wmi asus_wmi sparse_keymap rfkill snd_hda_intel snd_hda_codec i2c_i801 joydev mac_hid processor thermal video fan snd_hwdep snd_pcm snd_timer snd thermal_sys mxm_wmi wmi i2c_core evdev intel_agp intel_gtt agpgart soundcore snd_page_alloc psmouse iTCO_wdt r8169 pcspkr serio_raw button mii iTCO_vendor_support hwmon
Jul  6 17:41:06 rafaela kernel: [   15.562814] 
Jul  6 17:41:06 rafaela kernel: [   15.562915] Pid: 319, comm: udevd Tainted: G      D W    3.2.60-smp64 #1 System manufacturer System Product Name/P8Z77-M PRO
Jul  6 17:41:06 rafaela kernel: [   15.563193] RIP: 0010:[<ffffffff8169dc89>]  [<ffffffff8169dc89>] mutex_lock+0x19/0x40
Jul  6 17:41:06 rafaela kernel: [   15.563400] RSP: 0018:ffff880211717cf8  EFLAGS: 00010296
Jul  6 17:41:06 rafaela kernel: [   15.563504] RAX: 0000000000000000 RBX: ffff880300000007 RCX: ffff880211721260
Jul  6 17:41:06 rafaela kernel: [   15.563608] RDX: ffff880211717fd8 RSI: ffff880215f6ce58 RDI: ffff880300000007
Jul  6 17:41:06 rafaela kernel: [   15.563713] RBP: ffff880213a083f0 R08: 00007f8ba45ba000 R09: dead000000100100
Jul  6 17:41:06 rafaela kernel: [   15.563817] R10: 0000000000000000 R11: 0000000000000002 R12: ffff880212951f00
Jul  6 17:41:06 rafaela kernel: [   15.563922] R13: ffff8802ffffffff R14: ffff8802ffffffff R15: ffff8802116006a0
Jul  6 17:41:06 rafaela kernel: [   15.564027] FS:  0000000000000000(0000) GS:ffff88021ed40000(0000) knlGS:0000000000000000
Jul  6 17:41:06 rafaela kernel: [   15.564197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jul  6 17:41:06 rafaela kernel: [   15.564301] CR2: ffff880300000007 CR3: 00000002115fd000 CR4: 00000000001406e0
Jul  6 17:41:06 rafaela kernel: [   15.564406] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jul  6 17:41:06 rafaela kernel: [   15.564511] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jul  6 17:41:06 rafaela kernel: [   15.564616] Process udevd (pid: 319, threadinfo ffff880211716000, task ffff88021516c900)
Jul  6 17:41:06 rafaela kernel: [   15.564785] Stack:
Jul  6 17:41:06 rafaela kernel: [   15.564886]  ffff880212951cf0 ffff880212951f30 ffff880213a083f0 ffffffff81110a19
Jul  6 17:41:06 rafaela kernel: [   15.565197]  00007f8b7fffffff ffff880211600630 ffff880215f6ce78 ffff880211600630
Jul  6 17:41:06 rafaela kernel: [   15.565507]  ffff8802116006e0 0000000000000000 ffff880211717da8 0000000000000000
Jul  6 17:41:06 rafaela kernel: [   15.565820] Call Trace:
Jul  6 17:41:06 rafaela kernel: [   15.565928]  [<ffffffff81110a19>] ? unlink_anon_vmas+0x69/0x1e0
Jul  6 17:41:06 rafaela kernel: [   15.566037]  [<ffffffff81103fd9>] ? free_pgtables+0x99/0x110
Jul  6 17:41:06 rafaela kernel: [   15.566141]  [<ffffffff8110d05e>] ? exit_mmap+0xde/0x120
Jul  6 17:41:06 rafaela kernel: [   15.566245]  [<ffffffff81052274>] ? mmput+0x54/0x120
Jul  6 17:41:06 rafaela kernel: [   15.566350]  [<ffffffff81056e27>] ? exit_mm+0xf7/0x120
Jul  6 17:41:06 rafaela kernel: [   15.566453]  [<ffffffff8169e479>] ? down_read+0x9/0x20
Jul  6 17:41:06 rafaela kernel: [   15.566557]  [<ffffffff810586fa>] ? do_exit+0x15a/0x870
Jul  6 17:41:06 rafaela kernel: [   15.566661]  [<ffffffff8112b052>] ? kmem_cache_free+0x12/0xe0
Jul  6 17:41:06 rafaela kernel: [   15.566766]  [<ffffffff8110bb06>] ? do_munmap+0x2d6/0x360
Jul  6 17:41:06 rafaela kernel: [   15.566870]  [<ffffffff810590a3>] ? do_group_exit+0x53/0xc0
Jul  6 17:41:06 rafaela kernel: [   15.566973]  [<ffffffff81059122>] ? sys_exit_group+0x12/0x20
Jul  6 17:41:06 rafaela kernel: [   15.567077]  [<ffffffff8169f8bb>] ? system_call_fastpath+0x16/0x1b
Jul  6 17:41:06 rafaela kernel: [   15.567181] Code: 01 00 00 00 c3 31 c0 c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 ec 18 48 89 5c 24 08 48 89 fb 48 89 6c 24 10 e8 2a f4 ff ff 48 89 df <f0> ff 0f 79 05 e8 cd 01 00 00 65 48 8b 04 25 40 b6 00 00 48 8b 
Jul  6 17:41:06 rafaela kernel: [   15.569734] RIP  [<ffffffff8169dc89>] mutex_lock+0x19/0x40
Jul  6 17:41:06 rafaela kernel: [   15.569875]  RSP <ffff880211717cf8>
Jul  6 17:41:06 rafaela kernel: [   15.569977] CR2: ffff880300000007
Jul  6 17:41:06 rafaela kernel: [   15.570079] ---[ end trace b79d3074f75f6a06 ]---
Jul  6 17:41:06 rafaela kernel: [   15.570182] Fixing recursive fault but reboot is needed!
Jul  6 17:41:06 rafaela kernel: [   16.768581] vboxdrv: Found 8 processor cores.
Jul  6 17:41:06 rafaela kernel: [   16.769062] vboxdrv: fAsync=0 offMin=0x1fc offMax=0x18274
Jul  6 17:41:06 rafaela kernel: [   16.769234] vboxdrv: TSC mode is 'synchronous', kernel timer mode is 'normal'.
Jul  6 17:41:06 rafaela kernel: [   16.769404] vboxdrv: Successfully loaded version 4.3.12 (interface 0x001a0007).
Jul  6 17:41:06 rafaela kernel: [   17.023326] vboxpci: IOMMU not found (not registered)
Jul  6 17:41:06 rafaela kernel: [   17.851872] NET: Registered protocol family 10
Jul  6 17:41:12 rafaela kernel: [   24.279706] 0000:03:00.0: Missing Free firmware
Jul  6 17:41:12 rafaela kernel: [   24.289406] r8169 0000:03:00.0: eth0: unable to load firmware patch /*(DEBLOBBED)*/ (-22)
Jul  6 17:41:12 rafaela kernel: [   24.295653] r8169 0000:03:00.0: eth0: link down
Jul  6 17:41:12 rafaela kernel: [   24.295667] r8169 0000:03:00.0: eth0: link down
Jul  6 17:41:12 rafaela kernel: [   24.296025] ADDRCONF(NETDEV_UP): eth0: link is not ready
Jul  6 17:41:13 rafaela kernel: [   25.873241] r8169 0000:03:00.0: eth0: link up
Jul  6 17:41:13 rafaela kernel: [   25.873616] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
Jul  6 17:41:14 rafaela kernel: [   26.522913] r8169 0000:03:00.0: eth0: link down
Jul  6 17:41:14 rafaela kernel: [   26.522918] r8169 0000:03:00.0: eth0: link down
Jul  6 17:41:14 rafaela kernel: [   26.523261] ADDRCONF(NETDEV_UP): eth0: link is not ready
Jul  6 17:41:14 rafaela kernel: [   26.682515] r8169 0000:03:00.0: eth0: link down
Jul  6 17:41:14 rafaela kernel: [   26.682884] ADDRCONF(NETDEV_UP): eth0: link is not ready
Jul  6 17:41:16 rafaela kernel: [   28.218363] r8169 0000:03:00.0: eth0: link up
Jul  6 17:41:16 rafaela kernel: [   28.218736] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
Jul  6 17:41:26 rafaela kernel: [   38.493973] eth0: no IPv6 routers present
Jul  6 17:42:33 rafaela kernel: [  105.170418] xfce4-power-man[2336]: segfault at 8 ip 00007fc6bb24cee3 sp 00007fff079ff358 error 4 in libglib-2.0.so.0.2800.8[7fc6bb235000+f6000]
Jul  6 17:45:04 rafaela kernel: [  256.381978] BUG: unable to handle kernel NULL pointer dereference at           (null)
Jul  6 17:45:04 rafaela kernel: [  256.381982] IP: [<ffffffff81110e1e>] anon_vma_fork+0xfe/0x130
Jul  6 17:45:04 rafaela kernel: [  256.381986] PGD 2114cb067 PUD 212ac5067 PMD 0 
Jul  6 17:45:04 rafaela kernel: [  256.381988] Oops: 0002 [#3] SMP 
Jul  6 17:45:04 rafaela kernel: [  256.381989] CPU 3 
Jul  6 17:45:04 rafaela kernel: [  256.381990] Modules linked in: ipv6 pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss fuse snd_hda_codec_hdmi snd_hda_codec_realtek eeepc_wmi asus_wmi sparse_keymap rfkill snd_hda_intel snd_hda_codec i2c_i801 joydev mac_hid processor thermal video fan snd_hwdep snd_pcm snd_timer snd thermal_sys mxm_wmi wmi i2c_core evdev intel_agp intel_gtt agpgart soundcore snd_page_alloc psmouse iTCO_wdt r8169 pcspkr serio_raw button mii iTCO_vendor_support hwmon
Jul  6 17:45:04 rafaela kernel: [  256.382011] 
Jul  6 17:45:04 rafaela kernel: [  256.382012] Pid: 782, comm: runsv Tainted: G      D W  O 3.2.60-smp64 #1 System manufacturer System Product Name/P8Z77-M PRO
Jul  6 17:45:04 rafaela kernel: [  256.382015] RIP: 0010:[<ffffffff81110e1e>]  [<ffffffff81110e1e>] anon_vma_fork+0xfe/0x130
Jul  6 17:45:04 rafaela kernel: [  256.382017] RSP: 0018:ffff880213609da0  EFLAGS: 00010282
Jul  6 17:45:04 rafaela kernel: [  256.382018] RAX: 0000000000000000 RBX: ffff88020ff0d210 RCX: ffff880213a08030
Jul  6 17:45:04 rafaela kernel: [  256.382019] RDX: ffff880203c86590 RSI: 0000000000014cf0 RDI: ffff880213ea5e18
Jul  6 17:45:04 rafaela kernel: [  256.382021] RBP: ffff880203f092c0 R08: ffff88021ecd4cf0 R09: 0000000000014c58
Jul  6 17:45:04 rafaela kernel: [  256.382022] R10: 0000000000000002 R11: ffff88021efd9000 R12: ffff880213a08000
Jul  6 17:45:04 rafaela kernel: [  256.382023] R13: ffff880203c86570 R14: ffff880203f09228 R15: ffff880203f09210
Jul  6 17:45:04 rafaela kernel: [  256.382024] FS:  00007fd42a7a4720(0000) GS:ffff88021ecc0000(0000) knlGS:0000000000000000
Jul  6 17:45:04 rafaela kernel: [  256.382026] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Jul  6 17:45:04 rafaela kernel: [  256.382027] CR2: 0000000000000000 CR3: 0000000212a1a000 CR4: 00000000001406e0
Jul  6 17:45:04 rafaela kernel: [  256.382028] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jul  6 17:45:04 rafaela kernel: [  256.382029] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jul  6 17:45:04 rafaela kernel: [  256.382031] Process runsv (pid: 782, threadinfo ffff880213608000, task ffff8802117736c0)
Jul  6 17:45:04 rafaela kernel: [  256.382032] Stack:
Jul  6 17:45:04 rafaela kernel: [  256.382032]  ffff880203f09210 ffff880213b8ee00 ffff880203f092c0 ffff8802116ea680
Jul  6 17:45:04 rafaela kernel: [  256.382034]  ffff88020ff0d210 ffffffff81052718 0000000000000000 0000000000000004
Jul  6 17:45:04 rafaela kernel: [  256.382036]  ffff880203f09250 ffff880203f09248 ffff8802116ea6e8 ffff880213b8ee68
Jul  6 17:45:04 rafaela kernel: [  256.382038] Call Trace:
Jul  6 17:45:04 rafaela kernel: [  256.382042]  [<ffffffff81052718>] ? dup_mm+0x268/0x570
Jul  6 17:45:04 rafaela kernel: [  256.382044]  [<ffffffff810533e7>] ? copy_process+0x997/0x1290
Jul  6 17:45:04 rafaela kernel: [  256.382046]  [<ffffffff81053d78>] ? do_fork+0x68/0x350
Jul  6 17:45:04 rafaela kernel: [  256.382049]  [<ffffffff8113be5f>] ? sys_newstat+0x1f/0x50
Jul  6 17:45:04 rafaela kernel: [  256.382051]  [<ffffffff81137443>] ? vfs_read+0xc3/0x180
Jul  6 17:45:04 rafaela kernel: [  256.382053]  [<ffffffff8169fba3>] ? stub_clone+0x13/0x20
Jul  6 17:45:04 rafaela kernel: [  256.382056]  [<ffffffff8169f8bb>] ? system_call_fastpath+0x16/0x1b
Jul  6 17:45:04 rafaela kernel: [  256.382057] Code: 30 48 89 42 08 49 89 55 10 48 8d 55 70 49 89 55 18 48 89 45 70 49 8d 55 20 49 8b 44 24 38 49 89 54 24 38 49 89 4d 20 49 89 45 28 <48> 89 10 49 8b 3c 24 48 83 c7 08 e8 c2 cd 58 00 31 c0 e9 15 ff 
Jul  6 17:45:04 rafaela kernel: [  256.382074] RIP  [<ffffffff81110e1e>] anon_vma_fork+0xfe/0x130
Jul  6 17:45:04 rafaela kernel: [  256.382076]  RSP <ffff880213609da0>
Jul  6 17:45:04 rafaela kernel: [  256.382076] CR2: 0000000000000000
Jul  6 17:45:04 rafaela kernel: [  256.382078] ---[ end trace b79d3074f75f6a07 ]---