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Message-ID: <57789eb0.qr+kFENOmshIHNJp%xiaolong.ye@intel.com>
Date: Sun, 03 Jul 2016 13:12:16 +0800
From: kernel test robot <xiaolong.ye@...el.com>
To: Frank Rowand <frank.rowand@...sony.com>
Cc: lkp@...org, LKML <linux-kernel@...r.kernel.org>,
0day robot <fengguang.wu@...el.com>
Subject: 0192688ec6: BUG: unable to handle kernel NULL pointer dereference at (null)
FYI, we noticed the following commit:
https://github.com/0day-ci/linux frowand-list-gmail-com/Portable-Device-Tree-Connector-conceptual/20160703-081931
commit 0192688ec6f2161c0f2b99d38cc459f39285398f ("device tree connectors, using plugs and sockets.")
in testcase: boot
on test machine: 2 threads qemu-system-x86_64 -enable-kvm with 360M memory
caused below changes:
+------------------------------------------------------------------+----------+------------+
| | v4.7-rc5 | 0192688ec6 |
+------------------------------------------------------------------+----------+------------+
| boot_successes | 25 | 0 |
| boot_failures | 2 | 36 |
| BUG:kernel_test_crashed | 1 | |
| backtrace:acpi_get_cpuid | 2 | 36 |
| backtrace:early_init_pdc | 2 | 36 |
| backtrace:acpi_early_processor_set_pdc | 2 | 36 |
| backtrace:acpi_init | 2 | 36 |
| backtrace:kernel_init_freeable | 2 | 36 |
| backtrace:platform_device_add | 1 | 36 |
| backtrace:test_init | 1 | 36 |
| backtrace:SYSC_setsockopt | 1 | |
| backtrace:SyS_setsockopt | 1 | |
| backtrace:do_msgrcv | 1 | |
| backtrace:SyS_msgrcv | 1 | |
| invoked_oom-killer:gfp_mask=0x | 1 | |
| Mem-Info | 1 | |
| Kernel_panic-not_syncing:Out_of_memory_and_no_killable_processes | 1 | |
| backtrace:vfs_write | 1 | |
| backtrace:SyS_write | 1 | |
| backtrace:populate_rootfs | 1 | |
| BUG:unable_to_handle_kernel | 0 | 36 |
| Oops | 0 | 36 |
| RIP:of_free_overlay_info | 0 | 36 |
| Kernel_panic-not_syncing:Fatal_exception | 0 | 36 |
| backtrace:of_unittest | 0 | 36 |
+------------------------------------------------------------------+----------+------------+
[ 1.642416] CPU: 0 PID: 1 Comm: swapper Not tainted 4.7.0-rc5-00001-g0192688 #2
[ 1.642416] CPU: 0 PID: 1 Comm: swapper Not tainted 4.7.0-rc5-00001-g0192688 #2
[ 1.644871] 01ffffff00000000
[ 1.644871] 01ffffff00000000 ffff8800136db978 ffff8800136db978 ffffffff818c9b81 ffffffff818c9b81 ffff8800136db990 ffff8800136db990
[ 1.647392] ffffffff8192be07
[ 1.647392] ffffffff8192be07 ffffffff8305af40 ffffffff8305af40 ffff8800136db9e0 ffff8800136db9e0 ffffffff8192c6e8 ffffffff8192c6e8
[ 1.649899] 0000000000000203
[ 1.649899] 0000000000000203 000000000000312d 000000000000312d 0000000000000036 0000000000000036 0000000000000000 0000000000000000
[ 1.665240] Call Trace:
[ 1.665240] Call Trace:
[ 1.666067] [<ffffffff818c9b81>] dump_stack+0x1e/0x20
[ 1.666067] [<ffffffff818c9b81>] dump_stack+0x1e/0x20
[ 1.667785] [<ffffffff8192be07>] ubsan_epilogue+0x12/0x3e
[ 1.667785] [<ffffffff8192be07>] ubsan_epilogue+0x12/0x3e
[ 1.669590] [<ffffffff8192c6e8>] __ubsan_handle_out_of_bounds+0x64/0x79
[ 1.669590] [<ffffffff8192c6e8>] __ubsan_handle_out_of_bounds+0x64/0x79
[ 1.671857] [<ffffffff819cd4bb>] acpi_ds_create_operand+0x2f1/0x3b7
[ 1.671857] [<ffffffff819cd4bb>] acpi_ds_create_operand+0x2f1/0x3b7
[ 1.673948] [<ffffffff819cd702>] acpi_ds_create_operands+0x181/0x1e3
[ 1.673948] [<ffffffff819cd702>] acpi_ds_create_operands+0x181/0x1e3
[ 1.689106] [<ffffffff819eef39>] ? acpi_ps_pop_scope+0x149/0x155
[ 1.689106] [<ffffffff819eef39>] ? acpi_ps_pop_scope+0x149/0x155
[ 1.691133] [<ffffffff819cdf43>] acpi_ds_exec_end_op+0x12d/0x6af
[ 1.691133] [<ffffffff819cdf43>] acpi_ds_exec_end_op+0x12d/0x6af
[ 1.693154] [<ffffffff819cde16>] ? acpi_ds_exec_begin_op+0x245/0x245
[ 1.693154] [<ffffffff819cde16>] ? acpi_ds_exec_begin_op+0x245/0x245
[ 1.695287] [<ffffffff819ed4e4>] acpi_ps_parse_loop+0x8e2/0x963
[ 1.695287] [<ffffffff819ed4e4>] acpi_ps_parse_loop+0x8e2/0x963
[ 1.697279] [<ffffffff819ee907>] acpi_ps_parse_aml+0xf7/0x3f9
[ 1.697279] [<ffffffff819ee907>] acpi_ps_parse_aml+0xf7/0x3f9
[ 1.699223] [<ffffffff819ef8bd>] acpi_ps_execute_method+0x247/0x294
[ 1.699223] [<ffffffff819ef8bd>] acpi_ps_execute_method+0x247/0x294
[ 1.701319] [<ffffffff819e5802>] acpi_ns_evaluate+0x298/0x34d
[ 1.701319] [<ffffffff819e5802>] acpi_ns_evaluate+0x298/0x34d
[ 1.719065] [<ffffffff819ea9a1>] acpi_evaluate_object+0x19c/0x320
[ 1.719065] [<ffffffff819ea9a1>] acpi_evaluate_object+0x19c/0x320
[ 1.720672] [<ffffffff819bd08d>] acpi_get_phys_id+0x4e/0x2d6
[ 1.720672] [<ffffffff819bd08d>] acpi_get_phys_id+0x4e/0x2d6
[ 1.722190] [<ffffffff819bd387>] acpi_get_cpuid+0x2a/0x38
[ 1.722190] [<ffffffff819bd387>] acpi_get_cpuid+0x2a/0x38
[ 1.723645] [<ffffffff8386db2b>] early_init_pdc+0xbb/0xe3
[ 1.723645] [<ffffffff8386db2b>] early_init_pdc+0xbb/0xe3
[ 1.725384] [<ffffffff819ea4b0>] acpi_ns_walk_namespace+0x184/0x295
[ 1.725384] [<ffffffff819ea4b0>] acpi_ns_walk_namespace+0x184/0x295
[ 1.727496] [<ffffffff8386da70>] ? acpi_processor_init+0x2a/0x2a
[ 1.727496] [<ffffffff8386da70>] ? acpi_processor_init+0x2a/0x2a
[ 1.729566] [<ffffffff8386da70>] ? acpi_processor_init+0x2a/0x2a
[ 1.729566] [<ffffffff8386da70>] ? acpi_processor_init+0x2a/0x2a
[ 1.744649] [<ffffffff819ead36>] acpi_walk_namespace+0xba/0xf4
[ 1.744649] [<ffffffff819ead36>] acpi_walk_namespace+0xba/0xf4
[ 1.746625] [<ffffffff8386cf37>] ? acpi_sleep_proc_init+0x2d/0x2d
[ 1.746625] [<ffffffff8386cf37>] ? acpi_sleep_proc_init+0x2d/0x2d
[ 1.748663] [<ffffffff8386db7c>] acpi_early_processor_set_pdc+0x29/0x43
[ 1.748663] [<ffffffff8386db7c>] acpi_early_processor_set_pdc+0x29/0x43
[ 1.750881] [<ffffffff8386d0f9>] acpi_init+0x1c2/0x336
[ 1.750881] [<ffffffff8386d0f9>] acpi_init+0x1c2/0x336
[ 1.752640] [<ffffffff8386cf37>] ? acpi_sleep_proc_init+0x2d/0x2d
[ 1.752640] [<ffffffff8386cf37>] ? acpi_sleep_proc_init+0x2d/0x2d
[ 1.754713] [<ffffffff83810766>] do_one_initcall+0xf2/0x1a4
[ 1.754713] [<ffffffff83810766>] do_one_initcall+0xf2/0x1a4
[ 1.756609] [<ffffffff83810aac>] kernel_init_freeable+0x294/0x34e
[ 1.756609] [<ffffffff83810aac>] kernel_init_freeable+0x294/0x34e
[ 1.774718] [<ffffffff821c2493>] kernel_init+0x14/0x167
[ 1.774718] [<ffffffff821c2493>] kernel_init+0x14/0x167
[ 1.776487] [<ffffffff821c98cf>] ret_from_fork+0x1f/0x40
[ 1.776487] [<ffffffff821c98cf>] ret_from_fork+0x1f/0x40
[ 1.778282] [<ffffffff821c247f>] ? rest_init+0x86/0x86
[ 1.778282] [<ffffffff821c247f>] ? rest_init+0x86/0x86
[ 1.780292] ================================================================================
[ 1.780292] ================================================================================
[ 1.785399] ACPI: Interpreter enabled
FYI, raw QEMU command line is:
qemu-system-x86_64 -enable-kvm -kernel /pkg/linux/x86_64-randconfig-n0-07030925/gcc-6/0192688ec6f2161c0f2b99d38cc459f39285398f/vmlinuz-4.7.0-rc5-00001-g0192688 -append 'root=/dev/ram0 user=lkp job=/lkp/scheduled/vm-vp-quantal-x86_64-57/bisect_boot-1-quantal-core-x86_64.cgz-x86_64-randconfig-n0-07030925-0192688ec6f2161c0f2b99d38cc459f39285398f-20160703-60872-otv37s-0.yaml ARCH=x86_64 kconfig=x86_64-randconfig-n0-07030925 branch=linux-devel/devel-hourly-2016070306 commit=0192688ec6f2161c0f2b99d38cc459f39285398f BOOT_IMAGE=/pkg/linux/x86_64-randconfig-n0-07030925/gcc-6/0192688ec6f2161c0f2b99d38cc459f39285398f/vmlinuz-4.7.0-rc5-00001-g0192688 max_uptime=600 RESULT_ROOT=/result/boot/1/vm-vp-quantal-x86_64/quantal-core-x86_64.cgz/x86_64-randconfig-n0-07030925/gcc-6/0192688ec6f2161c0f2b99d38cc459f39285398f/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_64-57::dhcp drbd.minor_count=8' -initrd /fs/sdg1/initrd-vm-vp-quantal-x86_64-57 -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_64-57 -serial file:/dev/shm/kboot/serial-vm-vp-quantal-x86_64-57 -daemonize -display none -monitor null
Thanks,
Kernel Test Robot
View attachment "config-4.7.0-rc5-00001-g0192688" of type "text/plain" (100850 bytes)
Download attachment "dmesg.xz" of type "application/octet-stream" (20916 bytes)
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