| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <5742c46e.8Y5E8mBw0g5wTQ9e%xiaolong.ye@intel.com>
Date: Mon, 23 May 2016 16:50:54 +0800
From: kernel test robot <xiaolong.ye@...el.com>
To: David Howells <dhowells@...hat.com>
Cc: lkp@...org, David Howells <dhowells@...hat.com>,
LKML <linux-kernel@...r.kernel.org>
Subject: [x86] ad81363cd6: kernel BUG at lib/atomic64_test.c:184!
FYI, we noticed the following commit:
https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs iso-atomic
commit ad81363cd63bc4700ad2f98e91cb20faf81e5c04 ("x86: Use ISO atomics")
on test machine: vm-vp-quantal-x86_64: 2 threads qemu-system-x86_64 -enable-kvm with 360M memory
caused below changes:
+------------------------------------------+------------+------------+
| | 2359154bd8 | ad81363cd6 |
+------------------------------------------+------------+------------+
| boot_successes | 10 | 0 |
| boot_failures | 0 | 10 |
| kernel_BUG_at_lib/atomic64_test.c | 0 | 10 |
| invalid_opcode:#[##]SMP | 0 | 10 |
| RIP:test_atomic64 | 0 | 10 |
| Kernel_panic-not_syncing:Fatal_exception | 0 | 10 |
| backtrace:test_atomics | 0 | 10 |
| backtrace:kernel_init_freeable | 0 | 10 |
+------------------------------------------+------------+------------+
[ 0.949900] generic_sse: 17784.000 MB/sec
[ 0.950806] xor: using function: prefetch64-sse (19576.000 MB/sec)
[ 0.951956] ------------[ cut here ]------------
[ 0.952898] kernel BUG at lib/atomic64_test.c:184!
[ 0.954041] invalid opcode: 0000 [#1] SMP
[ 0.955069] Modules linked in:
[ 0.955936] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.6.0-00010-gad81363 #1
[ 0.957161] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[ 0.958950] task: ffff880013028040 ti: ffff880013030000 task.ti: ffff880013030000
[ 0.960559] RIP: 0010:[<ffffffff827f6ac0>] [<ffffffff827f6ac0>] test_atomic64+0x9c2/0x9c4
[ 0.962392] RSP: 0000:ffff880013033e78 EFLAGS: 00010246
[ 0.963427] RAX: 1111111122222222 RBX: ffffffff827f6ac2 RCX: deadbeefdeafcafe
[ 0.964645] RDX: 1111111122222221 RSI: aaa31337c001d00d RDI: 0000000000000246
[ 0.965842] RBP: ffff880013033e88 R08: 2002011000001001 R09: ffff8800131f0000
[ 0.967053] R10: ffff880013033e70 R11: ffffffff821b37a0 R12: ffff8800131f0008
[ 0.968272] R13: 0000000000000000 R14: ffffffff8241d050 R15: ffff880013dd63c0
[ 0.969481] FS: 0000000000000000(0000) GS:ffff880013c00000(0000) knlGS:0000000000000000
[ 0.971179] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 0.972239] CR2: 00000000ffffffff CR3: 0000000002418000 CR4: 00000000000006f0
[ 0.973445] Stack:
[ 0.974101] 1111111122222221 1111111122222222 ffff880013033e98 ffffffff827f6ad0
[ 0.975976] ffff880013033f08 ffffffff81000403 ffffffff823a7000 ffffffff8239fd88
[ 0.977856] ffff880014e1550e 0000000000000200 ffffffff821f5075 0000000000000001
[ 0.979738] Call Trace:
[ 0.980451] [<ffffffff827f6ad0>] test_atomics+0xe/0xe
[ 0.981450] [<ffffffff81000403>] do_one_initcall+0xe8/0x17b
[ 0.982504] [<ffffffff827af83a>] ? set_debug_rodata+0x12/0x12
[ 0.983572] [<ffffffff827b00d4>] kernel_init_freeable+0x1cf/0x257
[ 0.984672] [<ffffffff81cac102>] kernel_init+0xe/0xf5
[ 0.985669] [<ffffffff81cba772>] ret_from_fork+0x22/0x50
[ 0.986687] [<ffffffff81cac0f4>] ? rest_init+0x13b/0x13b
[ 0.987713] Code: 22 22 11 11 11 11 48 89 45 f0 48 8b 45 f0 48 89 45 f8 48 8b 45 f8 48 85 c0 7e 10 48 8d 50 ff 48 8b 45 f8 f0 48 0f b1 55 f0 75 e3 <0f> 0b 55 48 89 e5 e8 fd ee ff ff e8 2e f6 ff ff 55 45 31 c9 48
[ 0.995163] RIP [<ffffffff827f6ac0>] test_atomic64+0x9c2/0x9c4
[ 0.996308] RSP <ffff880013033e78>
[ 0.997140] ---[ end trace b63161db4a10d7b2 ]---
[ 0.998082] Kernel panic - not syncing: Fatal exception
FYI, raw QEMU command line is:
qemu-system-x86_64 -enable-kvm -kernel /pkg/linux/x86_64-nfsroot/gcc-6/ad81363cd63bc4700ad2f98e91cb20faf81e5c04/vmlinuz-4.6.0-00010-gad81363 -append 'root=/dev/ram0 user=lkp job=/lkp/scheduled/vm-vp-quantal-x86_64-61/bisect_boot-1-quantal-core-x86_64.cgz-x86_64-nfsroot-ad81363cd63bc4700ad2f98e91cb20faf81e5c04-20160523-106725-1xpyqfq-0.yaml ARCH=x86_64 kconfig=x86_64-nfsroot branch=linux-devel/devel-hourly-2016052013 commit=ad81363cd63bc4700ad2f98e91cb20faf81e5c04 BOOT_IMAGE=/pkg/linux/x86_64-nfsroot/gcc-6/ad81363cd63bc4700ad2f98e91cb20faf81e5c04/vmlinuz-4.6.0-00010-gad81363 max_uptime=600 RESULT_ROOT=/result/boot/1/vm-vp-quantal-x86_64/quantal-core-x86_64.cgz/x86_64-nfsroot/gcc-6/ad81363cd63bc4700ad2f98e91cb20faf81e5c04/0 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_64-61::dhcp drbd.minor_count=8' -initrd /fs/sdd1/initrd-vm-vp-quantal-x86_64-61 -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_64-61 -serial file:/dev/shm/kboot/serial-vm-vp-quantal-x86_64-61 -daemonize -display none -monitor null
Thanks,
Kernel Test Robot
View attachment "config-4.6.0-00010-gad81363" of type "text/plain" (109971 bytes)
Download attachment "dmesg.xz" of type "application/octet-stream" (6348 bytes)
Powered by blists - more mailing lists