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Date:   Sun, 17 Sep 2017 09:42:43 +0800
From:   kernel test robot <xiaolong.ye@...el.com>
To:     nixiaoming <nixiaoming@...wei.com>
Cc:     davem@...emloft.net, edumazet@...gle.com,
        waltje@...lt.NL.Mugnet.ORG, gw4pts@...pts.ampr.org,
        andreyknvl@...gle.com, tklauser@...tanz.ch,
        philip.pettersson@...il.com, glider@...gle.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        nixiaoming@...wei.com, dede.wu@...wei.com, lkp@...org
Subject: [lkp-robot] [net/packet]  d5013a2d16:
 BUG:sleeping_function_called_from_invalid_context_at_kernel/locking/mutex.c


FYI, we noticed the following commit:

commit: d5013a2d162004f30b500d35a589cffd09e6d209 ("net/packet: fix race condition between fanout_add and __unregister_prot_hook")
url: https://github.com/0day-ci/linux/commits/nixiaoming/net-packet-fix-race-condition-between-fanout_add-and-__unregister_prot_hook/20170916-003907


in testcase: boot

on test machine: qemu-system-i386 -enable-kvm -m 360M

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):


+-----------------------------------------------------------------------------+------------+------------+
|                                                                             | 66bed8465a | d5013a2d16 |
+-----------------------------------------------------------------------------+------------+------------+
| boot_successes                                                              | 37         | 2          |
| boot_failures                                                               | 2          | 6          |
| WARNING:at_arch/x86/include/asm/fpu/internal.h:#fpu__restore                | 2          |            |
| EIP:fpu__restore                                                            | 1          |            |
| BUG:sleeping_function_called_from_invalid_context_at_kernel/locking/mutex.c | 0          | 6          |
+-----------------------------------------------------------------------------+------------+------------+



[  192.914933] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:238
[  192.932004] in_atomic(): 1, irqs_disabled(): 0, pid: 305, name: trinity-main
[  192.943993] Preemption disabled at:
[  192.944029] [<c4ab243b>] packet_release+0x9b/0x340
[  192.963051] CPU: 0 PID: 305 Comm: trinity-main Not tainted 4.13.0-rc7-02204-gd5013a2 #1
[  192.976507] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
[  192.993969] Call Trace:
[  193.000649]  dump_stack+0x16/0x23
[  193.009681]  ___might_sleep+0x12f/0x180
[  193.017231]  ? packet_release+0x9b/0x340
[  193.026055]  ? packet_release+0x9b/0x340
[  193.034027]  __might_sleep+0x34/0x80
[  193.040862]  ? __might_sleep+0x34/0x80
[  193.048214]  mutex_lock+0x17/0x30
[  193.056253]  __unregister_prot_hook+0x1b/0x110
[  193.064873]  packet_release+0x2f1/0x340
[  193.073205]  ? dentry_free+0x3c/0x60
[  193.080559]  ? dentry_free+0x3c/0x60
[  193.087429]  sock_release+0x13/0x60
[  193.094588]  sock_close+0xb/0x10
[  193.101074]  __fput+0xa7/0x240
[  193.108910]  ____fput+0x8/0x10
[  193.116661]  task_work_run+0x67/0x90
[  193.125994]  do_exit+0x219/0xa20
[  193.134063]  ? preempt_schedule_common+0x72/0x80
[  193.146020]  do_group_exit+0x26/0xa0
[  193.154611]  get_signal+0x276/0x6a0
[  193.164848]  ? _copy_to_user+0x50/0x70
[  193.173755]  do_signal+0x1f/0x570
[  193.181988]  ? SyS_fstatat64+0x38/0x40
[  193.190905]  exit_to_usermode_loop+0x77/0xa0
[  193.200461]  do_fast_syscall_32+0x137/0x150
[  193.210054]  entry_SYSENTER_32+0x4e/0x7c
[  193.219676] EIP: 0xb7f46cf5
[  193.228848] EFLAGS: 00000292 CPU: 0
[  193.237952] EAX: 00000000 EBX: 0000019f ECX: 0869f52b EDX: bfac5fb0
[  193.250499] ESI: 00000100 EDI: b7f3aff4 EBP: 0000000c ESP: bfac5f90
[  193.264660]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b
[  193.986909] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:238
[  194.009983] in_atomic(): 1, irqs_disabled(): 0, pid: 305, name: trinity-main
[  194.024691] Preemption disabled at:
[  194.024727] [<c4ab243b>] packet_release+0x9b/0x340
[  194.047543] CPU: 0 PID: 305 Comm: trinity-main Tainted: G        W       4.13.0-rc7-02204-gd5013a2 #1
[  194.068962] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
[  194.088992] Call Trace:
[  194.099198]  dump_stack+0x16/0x23
[  194.107979]  ___might_sleep+0x12f/0x180
[  194.117769]  ? packet_release+0x9b/0x340
[  194.127715]  ? packet_release+0x9b/0x340
[  194.137238]  __might_sleep+0x34/0x80
[  194.146545]  ? __might_sleep+0x34/0x80
[  194.155740]  mutex_lock+0x17/0x30
[  194.164231]  __unregister_prot_hook+0x1b/0x110
[  194.174637]  packet_release+0x2f1/0x340
[  194.183681]  ? dentry_free+0x3c/0x60
[  194.193859]  ? dentry_free+0x3c/0x60
[  194.202442]  sock_release+0x13/0x60
[  194.210998]  sock_close+0xb/0x10
[  194.219686]  __fput+0xa7/0x240
[  194.227557]  ____fput+0x8/0x10
[  194.235434]  task_work_run+0x67/0x90
[  194.244704]  do_exit+0x219/0xa20
[  194.252864]  ? preempt_schedule_common+0x72/0x80
[  194.263042]  do_group_exit+0x26/0xa0
[  194.271602]  get_signal+0x276/0x6a0
[  194.281679]  ? _copy_to_user+0x50/0x70
[  194.290592]  do_signal+0x1f/0x570
[  194.298757]  ? SyS_fstatat64+0x38/0x40
[  194.307606]  exit_to_usermode_loop+0x77/0xa0
[  194.317878]  do_fast_syscall_32+0x137/0x150
[  194.327982]  entry_SYSENTER_32+0x4e/0x7c
[  194.337675] EIP: 0xb7f46cf5
[  194.345841] EFLAGS: 00000292 CPU: 0
[  194.354335] EAX: 00000000 EBX: 0000019f ECX: 0869f52b EDX: bfac5fb0
[  194.366937] ESI: 00000100 EDI: b7f3aff4 EBP: 0000000c ESP: bfac5f90
[  194.379475]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b
[  195.526777] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:238
[  195.547006] in_atomic(): 1, irqs_disabled(): 0, pid: 305, name: trinity-main
[  195.561033] Preemption disabled at:
[  195.561266] [<c4ab243b>] packet_release+0x9b/0x340
[  195.588514] CPU: 0 PID: 305 Comm: trinity-main Tainted: G        W       4.13.0-rc7-02204-gd5013a2 #1
[  195.609740] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
[  195.632654] Call Trace:
[  195.640494]  dump_stack+0x16/0x23
[  195.649691]  ___might_sleep+0x12f/0x180
[  195.659870]  ? packet_release+0x9b/0x340
[  195.670014]  ? packet_release+0x9b/0x340
[  195.686710]  __might_sleep+0x34/0x80
[  195.696945]  ? __might_sleep+0x34/0x80
[  195.706701]  mutex_lock+0x17/0x30
[  195.715935]  __unregister_prot_hook+0x1b/0x110
[  195.725949]  packet_release+0x2f1/0x340
[  195.735567]  ? dentry_free+0x3c/0x60
[  195.759681]  ? dentry_free+0x3c/0x60
[  195.767720]  sock_release+0x13/0x60
[  195.776051]  sock_close+0xb/0x10
[  195.784924]  __fput+0xa7/0x240
[  195.793452]  ____fput+0x8/0x10
[  195.806022]  task_work_run+0x67/0x90
[  195.815457]  do_exit+0x219/0xa20
[  195.824630]  ? preempt_schedule_common+0x72/0x80
[  195.833374]  do_group_exit+0x26/0xa0
[  195.841182]  get_signal+0x276/0x6a0
[  195.848413]  ? _copy_to_user+0x50/0x70
[  195.861052]  do_signal+0x1f/0x570
[  195.878738]  ? SyS_fstatat64+0x38/0x40
[  195.888884]  exit_to_usermode_loop+0x77/0xa0
[  195.899518]  do_fast_syscall_32+0x137/0x150
[  195.910756]  entry_SYSENTER_32+0x4e/0x7c
[  195.920909] EIP: 0xb7f46cf5
[  195.934703] EFLAGS: 00000292 CPU: 0
[  195.943879] EAX: 00000000 EBX: 0000019f ECX: 0869f52b EDX: bfac5fb0
[  195.957946] ESI: 00000100 EDI: b7f3aff4 EBP: 0000000c ESP: bfac5f90
[  195.973044]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b

Elapsed time: 210

initrds=(
	/osimage/quantal/quantal-core-i386.cgz
	/lkp/scheduled/vm-lkp-wsx03-quantal-i386-21/boot-1-quantal-core-i386.cgz-d5013a2d162004f30b500d35a589cffd09e6d209-20170916-39065-1cb9eeg-0.cgz
	/lkp/lkp/lkp-i386.cgz
)

cat "${initrds[@]}" > /fs/sdc1/initrd-vm-lkp-wsx03-quantal-i386-21

kvm=(
	qemu-system-i386
	-enable-kvm
	-kernel /pkg/linux/i386-randconfig-x0-09160554/gcc-6/d5013a2d162004f30b500d35a589cffd09e6d209/vmlinuz-4.13.0-rc7-02204-gd5013a2
	-initrd /fs/sdc1/initrd-vm-lkp-wsx03-quantal-i386-21
	-m 360
	-smp 1
	-device e1000,netdev=net0
	-netdev user,id=net0
	-boot order=nc
	-no-reboot
	-watchdog i6300esb
	-watchdog-action debug
	-rtc base=localtime
	-pidfile /dev/shm/kboot/pid-vm-lkp-wsx03-quantal-i386-21
	-serial file:/dev/shm/kboot/vm-lkp-wsx03-quantal-i386-21/serial
	-serial file:/dev/shm/kboot/vm-lkp-wsx03-quantal-i386-21/kmsg
	-daemonize
	-display none
	-monitor null
)

append=(
	ip=::::vm-lkp-wsx03-quantal-i386-21::dhcp
	root=/dev/ram0
	user=lkp
	job=/lkp/scheduled/vm-lkp-wsx03-quantal-i386-21/boot-1-quantal-core-i386.cgz-d5013a2d162004f30b500d35a589cffd09e6d209-20170916-39065-1cb9eeg-0.yaml
	ARCH=i386
	kconfig=i386-randconfig-x0-09160554
	branch=linux-devel/devel-spot-201709160126
	commit=d5013a2d162004f30b500d35a589cffd09e6d209
	BOOT_IMAGE=/pkg/linux/i386-randconfig-x0-09160554/gcc-6/d5013a2d162004f30b500d35a589cffd09e6d209/vmlinuz-4.13.0-rc7-02204-gd5013a2
	max_uptime=600
	RESULT_ROOT=/result/boot/1/vm-lkp-wsx03-quantal-i386/quantal-core-i386.cgz/i386-randconfig-x0-09160554/gcc-6/d5013a2d162004f30b500d35a589cffd09e6d209/0
	LKP_SERVER=inn
	debug
	apic=debug
	sysrq_always_enabled
	rcupdate.rcu_cpu_stall_timeout=100
	net.ifnames=0
	printk.devkmsg=on
	panic=-1
	softlockup_panic=1
	nmi_watchdog=panic
	oops=panic
	load_ramdisk=2
	prompt_ramdisk=0
	drbd.minor_count=8
	systemd.log_level=err
	ignore_loglevel
	console=tty0
	earlyprintk=ttyS0,115200


To reproduce:

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        bin/lkp qemu -k <bzImage> job-script  # job-script is attached in this email



Thanks,
Xiaolong

View attachment "config-4.13.0-rc7-02204-gd5013a2" of type "text/plain" (124713 bytes)

View attachment "job-script" of type "text/plain" (3928 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (16412 bytes)

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