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Date: Mon, 18 Sep 2017 09:12:03 +0800
From: kernel test robot <xiaolong.ye@...el.com>
To: Florian Fainelli <f.fainelli@...il.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>,
"Luis R. Rodriguez" <mcgrof@...nel.org>,
Kees Cook <keescook@...omium.org>,
Andrew Morton <akpm@...ux-foundation.org>,
LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [lkp-robot] [lib] e4dace3615: kernel_BUG_at_arch/x86/mm/physaddr.c
FYI, we noticed the following commit:
commit: e4dace3615526fd66c86dd535ee4bc9e8c706e37 ("lib: add test module for CONFIG_DEBUG_VIRTUAL")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
in testcase: trinity
with following parameters:
runtime: 300s
test-description: Trinity is a linux system call fuzz tester.
test-url: http://codemonkey.org.uk/projects/trinity/
on test machine: qemu-system-i386 -enable-kvm -smp 2 -m 320M
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
+-------------------------------------------------------------+------------+------------+
| | 9888a588ea | e4dace3615 |
+-------------------------------------------------------------+------------+------------+
| boot_successes | 28 | 0 |
| boot_failures | 22 | 10 |
| WARNING:at_arch/x86/mm/tlb.c:#initialize_tlbstate_and_flush | 8 | 8 |
| EIP:initialize_tlbstate_and_flush | 8 | 8 |
| INFO:rcu_sched_self-detected_stall_on_CPU | 14 | |
| EIP:arch_local_irq_enable | 14 | |
| EIP:arch_local_irq_restore | 14 | |
| kernel_BUG_at_arch/x86/mm/physaddr.c | 0 | 10 |
| invalid_opcode:#[##] | 0 | 10 |
| EIP:__phys_addr | 0 | 10 |
| Kernel_panic-not_syncing:Fatal_exception | 0 | 10 |
+-------------------------------------------------------------+------------+------------+
[ 19.762380] kernel BUG at arch/x86/mm/physaddr.c:75!
[ 19.763384] invalid opcode: 0000 [#1] SMP
[ 19.763982] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.13.0-09302-ge4dace3 #1
[ 19.764094] task: d3094040 task.stack: d3096000
[ 19.764094] EIP: __phys_addr+0x2d/0x5a
[ 19.764094] EFLAGS: 00210202 CPU: 0
[ 19.764094] EAX: 00000001 EBX: d47de000 ECX: fffff000 EDX: ff7fe000
[ 19.764094] ESI: 147de000 EDI: c2661dc5 EBP: d3097f0c ESP: d3097f04
[ 19.764094] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[ 19.764094] CR0: 80050033 CR2: 00000000 CR3: 02859000 CR4: 000006b0
[ 19.764094] Call Trace:
[ 19.764094] test_debug_virtual_init+0x28/0xb1
[ 19.764094] do_one_initcall+0xa4/0x1ac
[ 19.764094] ? kernel_init_freeable+0xfd/0x1ff
[ 19.764094] kernel_init_freeable+0x12c/0x1ff
[ 19.764094] ? rest_init+0xae/0xae
[ 19.764094] kernel_init+0xd/0xd0
[ 19.764094] ret_from_fork+0x19/0x30
[ 19.764094] Code: e5 56 53 e8 b6 6c ff ff 8d b0 00 00 00 40 3d ff ff ff bf 77 02 0f 0b 89 c3 80 3d 08 b9 5d c2 00 74 0b e8 9b ff ff ff 84 c0 74 02 <0f> 0b a1 28 45 1a c3 85 c0 74 1c 89 f2 c1 ea 0c 39 c2 76 02 0f
[ 19.764094] EIP: __phys_addr+0x2d/0x5a SS:ESP: 0068:d3097f04
[ 19.778781] ---[ end trace 35013a8e82407c24 ]---
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-4.13.0-09302-ge4dace3" of type "text/plain" (121258 bytes)
View attachment "job-script" of type "text/plain" (3766 bytes)
Download attachment "dmesg.xz" of type "application/x-xz" (10744 bytes)
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