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Date: Thu, 24 Mar 2016 09:54:15 +0800
From: kernel test robot <xiaolong.ye@...el.com>
To: Andy Lutomirski <luto@...nel.org>
Cc: LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [lkp] [x86/mm] a80e513582: BUG: sleeping function called from
invalid context at kernel/locking/mutex.c:617
FYI, we noticed the below changes on
https://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git x86/pcid
commit a80e513582bdd0afcbe9140dcdd2c646fcdc32d1 ("x86/mm: Hold a mutex when propagating TLB flushes")
As below, the log "BUG: sleeping function called from invalid context at kernel/locking/mutex.c:617" showed with your commit.
[ 6.230877] No soundcards found.
[ 6.233829] Freeing unused kernel memory: 1236K (ffffffff8300b000 - ffffffff83140000)
[ 6.233829] Freeing unused kernel memory: 1236K (ffffffff8300b000 - ffffffff83140000)
[ 6.235855] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:617
[ 6.235855] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:617
[ 6.238053] in_atomic(): 1, irqs_disabled(): 0, pid: 1, name: init
[ 6.238053] in_atomic(): 1, irqs_disabled(): 0, pid: 1, name: init
[ 6.239639] 2 locks held by init/1:
[ 6.239639] 2 locks held by init/1:
[ 6.240586] #0:
[ 6.240586] #0: ( (&sig->cred_guard_mutex&sig->cred_guard_mutex){+.+.+.}){+.+.+.}, at: , at: [<ffffffff811926d0>] prepare_bprm_creds+0x30/0x70
[<ffffffff811926d0>] prepare_bprm_creds+0x30/0x70
[ 6.242902] #1:
[ 6.242902] #1: ( (&mm->mmap_sem&mm->mmap_sem){+.+.+.}){+.+.+.}, at: , at: [<ffffffff81191d38>] setup_arg_pages+0xb8/0x210
[<ffffffff81191d38>] setup_arg_pages+0xb8/0x210
[ 6.244610] CPU: 0 PID: 1 Comm: init Not tainted 4.5.0-rc2-00215-ga80e513 #327
[ 6.244610] CPU: 0 PID: 1 Comm: init Not tainted 4.5.0-rc2-00215-ga80e513 #327
[ 6.245934] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[ 6.245934] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[ 6.247661] ffffffff82b62ad0
[ 6.247661] ffffffff82b62ad0 ffff880013c97ac8 ffff880013c97ac8 ffffffff81523d99 ffffffff81523d99 ffff880013c90000 ffff880013c90000
[ 6.249112] ffff880013c97af0
[ 6.249112] ffff880013c97af0 ffffffff810bd7c2 ffffffff810bd7c2 ffffffff82b62ad0 ffffffff82b62ad0 0000000000000269 0000000000000269
[ 6.250583] 0000000000000000
[ 6.250583] 0000000000000000 ffff880013c97b18 ffff880013c97b18 ffffffff810bd8c4 ffffffff810bd8c4 0000000000000000 0000000000000000
[ 6.251978] Call Trace:
[ 6.251978] Call Trace:
[ 6.252479] [<ffffffff81523d99>] dump_stack+0x4b/0x72
[ 6.252479] [<ffffffff81523d99>] dump_stack+0x4b/0x72
[ 6.253478] [<ffffffff810bd7c2>] ___might_sleep+0x172/0x230
[ 6.253478] [<ffffffff810bd7c2>] ___might_sleep+0x172/0x230
[ 6.254578] [<ffffffff810bd8c4>] __might_sleep+0x44/0x80
[ 6.254578] [<ffffffff810bd8c4>] __might_sleep+0x44/0x80
[ 6.255565] [<ffffffff8242005d>] mutex_lock_nested+0x2d/0x3b0
[ 6.255565] [<ffffffff8242005d>] mutex_lock_nested+0x2d/0x3b0
[ 6.256713] [<ffffffff81041060>] propagate_tlb_flush+0x20/0x60
[ 6.256713] [<ffffffff81041060>] propagate_tlb_flush+0x20/0x60
[ 6.257931] [<ffffffff81041657>] flush_tlb_mm_range+0x37/0xb0
[ 6.257931] [<ffffffff81041657>] flush_tlb_mm_range+0x37/0xb0
[ 6.259191] [<ffffffff81165476>] move_page_tables+0x4e6/0x700
[ 6.259191] [<ffffffff81165476>] move_page_tables+0x4e6/0x700
[ 6.260363] [<ffffffff810cfc6a>] ? up_write+0x1a/0x40
[ 6.260363] [<ffffffff810cfc6a>] ? up_write+0x1a/0x40
[ 6.261361] [<ffffffff8119146a>] shift_arg_pages+0xaa/0x190
[ 6.261361] [<ffffffff8119146a>] shift_arg_pages+0xaa/0x190
[ 6.262562] [<ffffffff81191d38>] ? setup_arg_pages+0xb8/0x210
[ 6.262562] [<ffffffff81191d38>] ? setup_arg_pages+0xb8/0x210
[ 6.264042] [<ffffffff81191e57>] setup_arg_pages+0x1d7/0x210
[ 6.264042] [<ffffffff81191e57>] setup_arg_pages+0x1d7/0x210
[ 6.265160] [<ffffffff811d723f>] load_elf_binary+0x45f/0x16a0
[ 6.265160] [<ffffffff811d723f>] load_elf_binary+0x45f/0x16a0
[ 6.266235] [<ffffffff82423ec2>] ? _raw_read_unlock+0x22/0x30
[ 6.266235] [<ffffffff82423ec2>] ? _raw_read_unlock+0x22/0x30
[ 6.267294] [<ffffffff81192ad6>] ? search_binary_handler+0x46/0xe0
[ 6.267294] [<ffffffff81192ad6>] ? search_binary_handler+0x46/0xe0
[ 6.268491] [<ffffffff81192ae5>] search_binary_handler+0x55/0xe0
[ 6.268491] [<ffffffff81192ae5>] search_binary_handler+0x55/0xe0
[ 6.269624] [<ffffffff8119319c>] do_execveat_common+0x62c/0x7e0
[ 6.269624] [<ffffffff8119319c>] do_execveat_common+0x62c/0x7e0
[ 6.270815] [<ffffffff811930fa>] ? do_execveat_common+0x58a/0x7e0
[ 6.270815] [<ffffffff811930fa>] ? do_execveat_common+0x58a/0x7e0
[ 6.271973] [<ffffffff8241bb00>] ? rest_init+0x140/0x140
[ 6.271973] [<ffffffff8241bb00>] ? rest_init+0x140/0x140
[ 6.272982] [<ffffffff8119336a>] do_execve+0x1a/0x20
[ 6.272982] [<ffffffff8119336a>] do_execve+0x1a/0x20
[ 6.273941] [<ffffffff81002026>] run_init_process+0x26/0x30
[ 6.273941] [<ffffffff81002026>] run_init_process+0x26/0x30
[ 6.274995] [<ffffffff8241bb38>] kernel_init+0x38/0xd0
[ 6.274995] [<ffffffff8241bb38>] kernel_init+0x38/0xd0
[ 6.275965] [<ffffffff824245df>] ret_from_fork+0x3f/0x70
[ 6.275965] [<ffffffff824245df>] ret_from_fork+0x3f/0x70
[ 6.277027] [<ffffffff8241bb00>] ? rest_init+0x140/0x140
[ 6.277027] [<ffffffff8241bb00>] ? rest_init+0x140/0x140
[ 6.284658] random: init urandom read with 3 bits of entropy available
[ 6.284658] random: init urandom read with 3 bits of entropy available
[ 6.344527] init: Failed to create pty - disabling logging for job
FYI, raw QEMU command line is:
qemu-system-x86_64 -enable-kvm -kernel /pkg/linux/x86_64-randconfig-i0-201612/gcc-5/a80e513582bdd0afcbe9140dcdd2c646fcdc32d1/vmlinuz-4.5.0-rc2-00215-ga80e513 -append 'root=/dev/ram0 user=lkp job=/lkp/scheduled/vm-vp-quantal-x86_64-53/bisect_boot-1-quantal-core-x86_64.cgz-x86_64-randconfig-i0-201612-a80e513582bdd0afcbe9140dcdd2c646fcdc32d1-20160323-39787-9dnifg-0.yaml ARCH=x86_64 kconfig=x86_64-randconfig-i0-201612 branch=luto/x86/pcid commit=a80e513582bdd0afcbe9140dcdd2c646fcdc32d1 BOOT_IMAGE=/pkg/linux/x86_64-randconfig-i0-201612/gcc-5/a80e513582bdd0afcbe9140dcdd2c646fcdc32d1/vmlinuz-4.5.0-rc2-00215-ga80e513 max_uptime=600 RESULT_ROOT=/result/boot/1/vm-vp-quantal-x86_64/quantal-core-x86_64.cgz/x86_64-randconfig-i0-201612/gcc-5/a80e513582bdd0afcbe9140dcdd2c646fcdc32d1/0 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-x86_64-53::dhcp drbd.minor_count=8' -initrd /fs/sdb1/initrd-vm-vp-quantal-x86_64-53 -m 360 -smp 2 -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-x86_64-53 -serial file:/dev/shm/kboot/serial-vm-vp-quantal-x86_64-53 -daemonize -display none -monitor null
Thanks,
Xiaolong Ye.
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