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Message-ID: <20160407024740.GD1904@yexl-desktop>
Date: Thu, 7 Apr 2016 10:47:40 +0800
From: kernel test robot <xiaolong.ye@...el.com>
To: Bastien Philbert <bastienphilbert@...il.com>
Cc: 0day robot <fengguang.wu@...el.com>,
LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [lkp] [ipv6] 29405a159b: BUG: sleeping function called from invalid
context at kernel/locking/mutex.c:97
FYI, we noticed below warning "BUG: sleeping function called from invalid context at kernel/locking/mutex.c:97" showed on
https://github.com/0day-ci/linux Bastien-Philbert/ipv6-icmp-Add-protection-from-concurrent-users-in-the-function-icmpv6_echo_reply/20160406-053153
commit 29405a159bb1653c5a7c55f86f27418714989322 ("ipv6: icmp: Add protection from concurrent users in the function icmpv6_echo_reply")
[ 20.950078] br-lan: port 1(eth0) entered blocking state
[ 20.951317] br-lan: port 1(eth0) entered forwarding state
[ 20.953639] IPv6: ADDRCONF(NETDEV_CHANGE): br-lan: link becomes ready
[ 22.739879] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:97
[ 22.742217] in_atomic(): 1, irqs_disabled(): 0, pid: 854, name: odhcpd
[ 22.743557] CPU: 0 PID: 854 Comm: odhcpd Not tainted 4.6.0-rc1-00194-g29405a1 #1
[ 22.745471] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[ 22.747570] c8e74d80 c8e74d80 cb409dc0 c13d29a1 cb409dd0 c105b8f2 c8e74d80 00000000
[ 22.750436] cb409dec c105b96c 00000000 c247c860 c7ddac00 c247d6c0 c7ddae90 cb409df8
[ 22.753098] c1efdfc7 c7d5dcc0 cb409e00 c1ccc35d cb409e80 c1d9c30e 80000000 cb409e2c
[ 22.755641] Call Trace:
[ 22.756495] [<c13d29a1>] dump_stack+0x16/0x25
[ 22.757642] [<c105b8f2>] ___might_sleep+0xc2/0x110
[ 22.758914] [<c105b96c>] __might_sleep+0x2c/0x80
[ 22.760163] [<c1efdfc7>] mutex_lock+0x17/0x30
[ 22.761378] [<c1ccc35d>] rtnl_lock+0xd/0x10
[ 22.762556] [<c1d9c30e>] icmpv6_rcv+0x67e/0x7c0
[ 22.763768] [<c1d801de>] ip6_input_finish+0xee/0x3e0
[ 22.764927] [<c1cef830>] ? nf_iterate+0x50/0x90
[ 22.766031] [<c1d80a26>] ip6_input+0x76/0x80
[ 22.767114] [<c1d800f0>] ? ip6_rcv_finish+0xa0/0xa0
[ 22.768260] [<c1d8007c>] ip6_rcv_finish+0x2c/0xa0
[ 22.769405] [<c1d80877>] ipv6_rcv+0x3a7/0x4e0
[ 22.770611] [<c1d80050>] ? ip6_make_skb+0x180/0x180
[ 22.771910] [<c1cb793c>] __netif_receive_skb_core+0x34c/0x7a0
[ 22.773321] [<c1073957>] ? internal_add_timer+0x27/0x60
[ 22.774644] [<c1059f2f>] ? wake_up_process+0xf/0x20
[ 22.775861] [<c104f2d1>] ? insert_work+0x61/0xa0
[ 22.776977] [<c1073957>] ? internal_add_timer+0x27/0x60
[ 22.778172] [<c1cb7da6>] __netif_receive_skb+0x16/0x60
[ 22.779346] [<c1cb82d9>] process_backlog+0x69/0xd0
[ 22.780491] [<c1cbba6a>] net_rx_action+0x18a/0x270
[ 22.781713] [<c1041880>] __do_softirq+0xb0/0x1a0
[ 22.782938] [<c10417d0>] ? __local_bh_enable_ip+0x80/0x80
[ 22.784217] [<c101607e>] do_softirq_own_stack+0x1e/0x30
[ 22.785406] <IRQ> [<c10416f5>] do_softirq+0x35/0x40
[ 22.786721] [<c10417c6>] __local_bh_enable_ip+0x76/0x80
[ 22.787910] [<c1d7ca65>] ip6_finish_output2+0x185/0x510
[ 22.789111] [<c135e092>] ? selinux_ipv6_postroute+0x12/0x20
[ 22.790493] [<c1cef842>] ? nf_iterate+0x62/0x90
[ 22.791729] [<c1d7f48a>] ip6_finish_output+0x9a/0xf0
[ 22.793030] [<c1d7f48a>] ? ip6_finish_output+0x9a/0xf0
[ 22.794345] [<c1d7f56b>] ip6_output+0x8b/0x100
[ 22.795561] [<c1d7f3f0>] ? ip6_fragment+0xaa0/0xaa0
[ 22.796712] [<c1dba4ee>] ip6_local_out+0x2e/0x40
[ 22.797833] [<c1d7fda7>] ip6_send_skb+0x17/0xa0
[ 22.798949] [<c1d7fe6e>] ip6_push_pending_frames+0x3e/0x60
[ 22.800196] [<c1d9a7df>] rawv6_sendmsg+0xb4f/0xd50
[ 22.801354] [<c105b96c>] ? __might_sleep+0x2c/0x80
[ 22.802649] [<c105b96c>] ? __might_sleep+0x2c/0x80
[ 22.803920] [<c13df5a2>] ? _copy_from_user+0x52/0x60
[ 22.805224] [<c1d4edd0>] inet_sendmsg+0x20/0x60
[ 22.806475] [<c1ca4e2d>] sock_sendmsg+0x2d/0x40
[ 22.807682] [<c1ca5259>] ___sys_sendmsg+0x239/0x250
[ 22.808830] [<c1ca46f0>] ? ___sys_recvmsg+0xc0/0x140
[ 22.809990] [<c1ca4728>] ? ___sys_recvmsg+0xf8/0x140
[ 22.811176] [<c1ca4000>] ? init_once+0x10/0x10
[ 22.812282] [<c1ca4031>] ? sock_recvmsg+0x31/0x40
[ 22.813456] [<c135baab>] ? cred_has_capability+0x4b/0xd0
[ 22.814794] [<c1ca4820>] ? SYSC_bind+0xb0/0xd0
[ 22.816017] [<c105b96c>] ? __might_sleep+0x2c/0x80
[ 22.817295] [<c1ca602d>] __sys_sendmsg+0x2d/0x60
[ 22.818530] [<c1ca6cb6>] SYSC_socketcall+0x7f6/0x9a0
[ 22.819790] [<c13df2f8>] ? __copy_to_user_ll+0x8/0x10
[ 22.820970] [<c101d789>] ? save_fsave_header+0x39/0xa0
[ 22.822184] [<c105b96c>] ? __might_sleep+0x2c/0x80
[ 22.823324] [<c1046ff1>] ? recalc_sigpending+0x11/0x40
[ 22.824500] [<c105b96c>] ? __might_sleep+0x2c/0x80
[ 22.825717] [<c101cae1>] ? fpu__restore+0x61/0x140
[ 22.840003] [<c1ca6f2e>] SyS_socketcall+0xe/0x10
[ 22.841188] [<c100123f>] do_int80_syscall_32+0x3f/0xa0
[ 22.842375] [<c1eff6a1>] entry_INT80_32+0x31/0x31
[ 29.059961] sock: process `trinity-main' is using obsolete setsockopt SO_BSDCOMPAT
[ 29.099148] irda_setsockopt: not allowed to set MAXSDUSIZE for this socket type!
FYI, raw QEMU command line is:
qemu-system-i386 -enable-kvm -kernel /pkg/linux/i386-randconfig-sb0-04060654/gcc-5/29405a159bb1653c5a7c55f86f27418714989322/vmlinuz-4.6.0-rc1-00194-g29405a1 -append 'root=/dev/ram0 user=lkp job=/lkp/scheduled/vm-lkp-wsx03-openwrt-i386-15/bisect_boot-1-openwrt-i386.cgz-i386-randconfig-sb0-04060654-29405a159bb1653c5a7c55f86f27418714989322-20160406-96797-1rryijw-0.yaml ARCH=i386 kconfig=i386-randconfig-sb0-04060654 branch=linux-devel/devel-spot-201604060629 commit=29405a159bb1653c5a7c55f86f27418714989322 BOOT_IMAGE=/pkg/linux/i386-randconfig-sb0-04060654/gcc-5/29405a159bb1653c5a7c55f86f27418714989322/vmlinuz-4.6.0-rc1-00194-g29405a1 max_uptime=600 RESULT_ROOT=/result/boot/1/vm-lkp-wsx03-openwrt-i386/openwrt-i386.cgz/i386-randconfig-sb0-04060654/gcc-5/29405a159bb1653c5a7c55f86f27418714989322/0 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-lkp-wsx03-openwrt-i386-15::dhcp drbd.minor_count=8' -initrd /fs/sdc1/initrd-vm-lkp-wsx03-openwrt-i386-15 -m 192 -smp 1 -device e1000,netdev=net0 -netdev user,id=net0 -boot order=nc -no-reboot -watchdog i6300esb -rtc base=localtime -drive file=/fs/sdc1/disk0-vm-lkp-wsx03-openwrt-i386-15,media=disk,if=virtio -drive file=/fs/sdc1/disk1-vm-lkp-wsx03-openwrt-i386-15,media=disk,if=virtio -pidfile /dev/shm/kboot/pid-vm-lkp-wsx03-openwrt-i386-15 -serial file:/dev/shm/kboot/serial-vm-lkp-wsx03-openwrt-i386-15 -daemonize -display none -monitor null
Thanks,
Xiaolong Ye
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