BUG: unable to handle kernel NULL pointer dereference at 0000000000000003

Bug #1575210 reported by Marc Beutler on 2016-04-26
This bug affects 1 person
Affects Status Importance Assigned to Milestone
usbutils (Ubuntu)

Bug Description

Kernel gets NULL pointer if I use lsusb

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: usbutils 1:007-4
ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
Uname: Linux 4.4.0-21-generic x86_64
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
CurrentDesktop: Unity
Date: Tue Apr 26 16:25:06 2016
ExecutablePath: /usr/bin/lsusb
InstallationDate: Installed on 2014-11-19 (524 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
SourcePackage: usbutils
UpgradeStatus: Upgraded to xenial on 2016-04-25 (1 days ago)

Marc Beutler (mabe-z) wrote :
Marc Beutler (mabe-z) wrote :
Download full text (4.9 KiB)

Extract from dmesg:

[32499.845341] usb 1-1.6: USB disconnect, device number 6
[32509.001659] usb 1-1.6: new full-speed USB device number 7 using ehci-pci
[32509.096558] usb 1-1.6: New USB device found, idVendor=0525, idProduct=a4a2
[32509.096561] usb 1-1.6: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[32509.096562] usb 1-1.6: Product: RNDIS/Ethernet Gadget
[32509.096563] usb 1-1.6: Manufacturer: Linux 2.6.32-ubi-stab033.19995-pxa with pxa27x_ud
[32509.276738] BUG: unable to handle kernel NULL pointer dereference at 0000000000000003
[32509.276761] IP: [<ffffffffc06b22a1>] usbnet_generic_cdc_bind+0x171/0x710 [cdc_ether]
[32509.276780] PGD 0
[32509.276786] Oops: 0000 [#1] SMP
[32509.276795] Modules linked in: cdc_ether(+) usbnet mii cfg80211 nfsv3 nfs_acl rpcsec_gss_krb5 auth_rpcgss nfsv4 nfs lockd grace fscache pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) binfmt_misc nls_iso8859_1 uas usb_storage intel_rapl x86_pkg_temp_thermal intel_powerclamp input_leds coretemp snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic dcdbas kvm_intel kvm snd_hda_intel snd_hda_codec irqbypass snd_hda_core snd_hwdep crct10dif_pclmul crc32_pclmul snd_pcm aesni_intel snd_seq_midi snd_seq_midi_event aes_x86_64 lrw snd_rawmidi gf128mul glue_helper ablk_helper snd_seq cryptd serio_raw snd_seq_device snd_timer snd mei_me mei soundcore shpchp lpc_ich 8250_fintek mac_hid sunrpc parport_pc ppdev lp parport autofs4 hid_generic usbhid hid i915 i2c_algo_bit drm_kms_helper syscopyarea
[32509.276995] sysfillrect sysimgblt e1000e psmouse fb_sys_fops ahci drm libahci ptp pps_core fjes video
[32509.277028] CPU: 1 PID: 19768 Comm: systemd-udevd Tainted: G OE 4.4.0-21-generic #37-Ubuntu
[32509.277064] Hardware name: Dell Inc. OptiPlex 7020/08WKV3, BIOS A01 08/23/2014
[32509.277092] task: ffff8804097dee00 ti: ffff88000f410000 task.ti: ffff88000f410000
[32509.277109] RIP: 0010:[<ffffffffc06b22a1>] [<ffffffffc06b22a1>] usbnet_generic_cdc_bind+0x171/0x710 [cdc_ether]
[32509.277132] RSP: 0018:ffff88000f4139b8 EFLAGS: 00010292
[32509.277144] RAX: 0000000000000000 RBX: ffff880341de6840 RCX: ffff8800c4cdc692
[32509.277159] RDX: ffff8800c4cdc692 RSI: ffff8800d3fb1400 RDI: ffff8803e9ce5800
[32509.277173] RBP: ffff88000f413a78 R08: ffff8800c4cdc672 R09: ffff88040e003900
[32509.277188] R10: ffff8803dba1f780 R11: 0000000000003b99 R12: ffff8800d3fb1400
[32509.277202] R13: 0000000000000000 R14: ffffffffc06b4068 R15: ffff880341de6938
[32509.277217] FS: 00007f96ef0778c0(0000) GS:ffff88041ea40000(0000) knlGS:0000000000000000
[32509.277234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[32509.277246] CR2: 0000000000000003 CR3: 0000000098e76000 CR4: 00000000001406e0
[32509.277261] Stack:
[32509.277265] ffff880341de62a0 ffff88000f413a08 ffffffff8172272e 0000000000000000
[32509.277283] ffff8800c4cdc672 0000000000000000 0000000000000000 0000000000000000
[32509.277301] 0000000000000000 ffff8800c4cdc692 0000000000000000 ffff8800c4cdc677
[32509.277319] Call Trace:
[32509.277329] [<ffffffff8172272e>] ? __hw_addr_add_ex+0x7e/0xe0
[32509.277342] [<ffffffffc06b2859>] usbnet_cdc_bind+0x19/0x80 [cdc_ether]
[32509.277357] [<ffffffffc06a13e0>] usb...


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