linux-kernel - [lkp] [wext] ee7e25b578: BUG: spinlock bad magic on CPU#0, swapper/1

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Date:	Thu, 28 Jan 2016 08:45:01 +0800
From:	kernel test robot <ying.huang@...ux.intel.com>
TO:	Johannes Berg <johannes.berg@...el.com>
CC:	0day robot <fengguang.wu@...el.com>
Subject: [lkp] [wext] ee7e25b578: BUG: spinlock bad magic on CPU#0,
 swapper/1

FYI, we noticed the below changes on

https://github.com/0day-ci/linux Johannes-Berg/wext-fix-message-delay-ordering/20160127-204511
commit ee7e25b5789c6c2f4d5ebd9d69f9c2f313ce32d6 ("wext: fix message delay/ordering")


[    0.920828] NET: Registered protocol family 8
[    0.921515] NET: Registered protocol family 20
[    0.921515] NET: Registered protocol family 20
[    0.922281] BUG: spinlock bad magic on CPU#0, swapper/1
[    0.922281] BUG: spinlock bad magic on CPU#0, swapper/1
[    0.923186]  lock: init_net+0x2d4/0x520, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0
[    0.923186]  lock: init_net+0x2d4/0x520, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0
[    0.924551] CPU: 0 PID: 1 Comm: swapper Not tainted 4.4.0-03441-gee7e25b5 #1
[    0.924551] CPU: 0 PID: 1 Comm: swapper Not tainted 4.4.0-03441-gee7e25b5 #1
[    0.925718]  00000000
[    0.925718]  00000000 b1b6af20 b1b6af20 b0069e68 b0069e68 b12f102b b12f102b b0069e90 b0069e90 b104a1d3 b104a1d3 b1b0ddde b1b0ddde b1ccf5b4 b1ccf5b4

[    0.927032]  00000000
[    0.927032]  00000000 b1b6af20 b1b6af20 ffffffff ffffffff 00000000 00000000 b1ccf5b4 b1ccf5b4 b1ccf5a8 b1ccf5a8 b0069ea0 b0069ea0 b104a1fa b104a1fa

[    0.928303]  b1b0de40
[    0.928303]  b1b0de40 b1ccf5b4 b1ccf5b4 b0069ebc b0069ebc b104a295 b104a295 b023a5c6 b023a5c6 b0069f30 b0069f30 00000286 00000286 b1ccf5a8 b1ccf5a8

[    0.929613] Call Trace:
[    0.929613] Call Trace:
[    0.929995]  [<b12f102b>] dump_stack+0x16/0x18
[    0.929995]  [<b12f102b>] dump_stack+0x16/0x18
[    0.930662]  [<b104a1d3>] spin_dump+0x6c/0x76
[    0.930662]  [<b104a1d3>] spin_dump+0x6c/0x76
[    0.931405]  [<b104a1fa>] spin_bug+0x1d/0x21
[    0.931405]  [<b104a1fa>] spin_bug+0x1d/0x21
[    0.932053]  [<b104a295>] do_raw_spin_lock+0x1e/0xbc
[    0.932053]  [<b104a295>] do_raw_spin_lock+0x1e/0xbc
[    0.932869]  [<b1849d27>] _raw_spin_lock_irqsave+0x1f/0x24
[    0.932869]  [<b1849d27>] _raw_spin_lock_irqsave+0x1f/0x24
[    0.933751]  [<b16b9185>] skb_dequeue+0x12/0x2d
[    0.933751]  [<b16b9185>] skb_dequeue+0x12/0x2d
[    0.934448]  [<b17e84d5>] wireless_nlevent_flush+0x47/0x71
[    0.934448]  [<b17e84d5>] wireless_nlevent_flush+0x47/0x71
[    0.935275]  [<b17e8507>] wext_netdev_notifier_call+0x8/0xf
[    0.935275]  [<b17e8507>] wext_netdev_notifier_call+0x8/0xf
[    0.936120]  [<b16beea0>] call_netdevice_notifier+0xd/0x11
[    0.936120]  [<b16beea0>] call_netdevice_notifier+0xd/0x11
[    0.936988]  [<b16c0bdf>] register_netdevice_notifier+0x72/0x13b
[    0.936988]  [<b16c0bdf>] register_netdevice_notifier+0x72/0x13b
[    0.937885]  [<b1ce4b5f>] ? do_one_initcall+0x84/0x168
[    0.937885]  [<b1ce4b5f>] ? do_one_initcall+0x84/0x168
[    0.938654]  [<b1d26dc6>] ? wext_pernet_init+0x3e/0x3e
[    0.938654]  [<b1d26dc6>] ? wext_pernet_init+0x3e/0x3e
[    0.939429]  [<b1d26dd3>] wireless_nlevent_init+0xd/0x1d
[    0.939429]  [<b1d26dd3>] wireless_nlevent_init+0xd/0x1d
[    0.940232]  [<b1ce4c34>] do_one_initcall+0x159/0x168
[    0.940232]  [<b1ce4c34>] do_one_initcall+0x159/0x168
[    0.941043]  [<b103b074>] ? parse_args+0x1c2/0x28a
[    0.941043]  [<b103b074>] ? parse_args+0x1c2/0x28a
[    0.941766]  [<b1ce4d7f>] kernel_init_freeable+0x13c/0x1b9
[    0.941766]  [<b1ce4d7f>] kernel_init_freeable+0x13c/0x1b9
[    0.942595]  [<b18454e1>] kernel_init+0x8/0xb5
[    0.942595]  [<b18454e1>] kernel_init+0x8/0xb5
[    0.943268]  [<b184a0c8>] ret_from_kernel_thread+0x20/0x34
[    0.943268]  [<b184a0c8>] ret_from_kernel_thread+0x20/0x34
[    0.944095]  [<b18454d9>] ? rest_init+0x65/0x65
[    0.944095]  [<b18454d9>] ? rest_init+0x65/0x65

Elapsed time: 10
qemu-system-i386 -enable-kvm -cpu Haswell,+smep,+smap -kernel /pkg/linux/i386-randconfig-h1-01272117/gcc-5/ee7e25b5789c6c2f4d5ebd9d69f9c2f313ce32d6/vmlinuz-4.4.0-03441-gee7e25b5 -append 'root=/dev/ram0 user=lkp job=/lkp/scheduled/vm-vp-quantal-i386-19/rand_boot-1-quantal-core-i386.cgz-i386-randconfig-h1-01272117-ee7e25b5789c6c2f4d5ebd9d69f9c2f313ce32d6-20160128-88657-1ugcywb-1.yaml ARCH=i386 kconfig=i386-randconfig-h1-01272117 branch=linux-devel/devel-spot-201601272037 commit=ee7e25b5789c6c2f4d5ebd9d69f9c2f313ce32d6 BOOT_IMAGE=/pkg/linux/i386-randconfig-h1-01272117/gcc-5/ee7e25b5789c6c2f4d5ebd9d69f9c2f313ce32d6/vmlinuz-4.4.0-03441-gee7e25b5 max_uptime=600 RESULT_ROOT=/result/boot/1/vm-vp-quantal-i386/quantal-core-i386.cgz/i386-randconfig-h1-01272117/gcc-5/ee7e25b5789c6c2f4d5ebd9d69f9c2f313ce32d6/0 LKP_SERVER=inn earlyprintk=ttyS0,115200 systemd.log_level=err debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal rw ip=::::vm-vp-quantal-i386-19::dhcp drbd.minor_count=8'  -initrd /fs/sdh1/initrd-vm-vp-quantal-i386-19 -m 360 -smp 1 -device e1000,netdev=net0 -netdev user,id=net0 -boot order=nc -no-reboot -watchdog i6300esb -rtc base=localtime -pidfile /dev/shm/kboot/pid-vm-vp-quantal-i386-19 -serial file:/dev/shm/kboot/serial-vm-vp-quantal-i386-19 -daemonize -display none -monitor null 





Thanks,
Kernel Test Robot

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