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Message-ID: <202302211644.c12d19de-yujie.liu@intel.com>
Date: Wed, 22 Feb 2023 00:56:26 +0800
From: kernel test robot <yujie.liu@...el.com>
To: Oleksij Rempel <o.rempel@...gutronix.de>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>,
Linux Memory Management List <linux-mm@...ck.org>,
"David S. Miller" <davem@...emloft.net>,
Andrew Lunn <andrew@...n.ch>, <netdev@...r.kernel.org>
Subject: [linux-next:master] [net] 9b01c885be:
WARNING:at_drivers/net/phy/phy.c:#phy_state_machine
Greeting,
FYI, we noticed WARNING:at_drivers/net/phy/phy.c:#phy_state_machine due to commit (built with clang-14):
commit: 9b01c885be364526d8c05794f8358b3e563b7ff8 ("net: phy: c22: migrate to genphy_c45_write_eee_adv()")
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
[test failed on linux-next/master d2af0fa4bfa4ec29d03b449ccd43fee39501112d]
in testcase: trinity
version:
with following parameters:
runtime: 300s
group: group-04
test-description: Trinity is a linux system call fuzz tester.
test-url: http://codemonkey.org.uk/projects/trinity/
on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
+-----------------------------------------------------------------+------------+------------+
| | 022c3f87f8 | 9b01c885be |
+-----------------------------------------------------------------+------------+------------+
| WARNING:at_drivers/net/phy/phy.c:#phy_state_machine | 0 | 46 |
| EIP:phy_state_machine | 0 | 46 |
| calltrace:do_softirq_own_stack | 0 | 45 |
| WARNING:at_drivers/net/phy/phy.c:#phy_stop | 0 | 46 |
| EIP:phy_stop | 0 | 46 |
+-----------------------------------------------------------------+------------+------------+
[ 24.211773][ T32] ------------[ cut here ]------------
[ 24.212462][ T32] WARNING: CPU: 1 PID: 32 at drivers/net/phy/phy.c:1168 phy_state_machine (??:?)
[ 24.213562][ T32] Modules linked in:
[ 24.214050][ T32] CPU: 1 PID: 32 Comm: kworker/1:2 Tainted: G W 6.2.0-rc7-01623-g9b01c885be36 #1 40addfa090b1209d5e5f69c68ec2db2dfac7322f
[ 24.215673][ T12] e1000: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX
[ 24.219286][ T32] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.0-debian-1.16.0-5 04/01/2014
[ 24.221639][ T32] Workqueue: events_power_efficient phy_state_machine
[ 24.222580][ T32] EIP: phy_state_machine (??:?)
[ 24.223427][ T32] Code: 29 26 c4 01 eb 71 83 05 ac 29 26 c4 01 b8 88 31 10 c4 ba 01 00 00 00 31 c9 6a 01 e8 55 e6 6b ff 83 c4 04 83 05 34 29 26 c4 01 <0f> 0b b8 a0 31 10 c4 ba 01 00 00 00 31 c9 6a 01 e8 36 e6 6b ff 83
All code
========
0: 29 26 sub %esp,(%rsi)
2: c4 01 eb 71 (bad)
6: 83 05 ac 29 26 c4 01 addl $0x1,-0x3bd9d654(%rip) # 0xffffffffc42629b9
d: b8 88 31 10 c4 mov $0xc4103188,%eax
12: ba 01 00 00 00 mov $0x1,%edx
17: 31 c9 xor %ecx,%ecx
19: 6a 01 pushq $0x1
1b: e8 55 e6 6b ff callq 0xffffffffff6be675
20: 83 c4 04 add $0x4,%esp
23: 83 05 34 29 26 c4 01 addl $0x1,-0x3bd9d6cc(%rip) # 0xffffffffc426295e
2a:* 0f 0b ud2 <-- trapping instruction
2c: b8 a0 31 10 c4 mov $0xc41031a0,%eax
31: ba 01 00 00 00 mov $0x1,%edx
36: 31 c9 xor %ecx,%ecx
38: 6a 01 pushq $0x1
3a: e8 36 e6 6b ff callq 0xffffffffff6be675
3f: 83 .byte 0x83
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: b8 a0 31 10 c4 mov $0xc41031a0,%eax
7: ba 01 00 00 00 mov $0x1,%edx
c: 31 c9 xor %ecx,%ecx
e: 6a 01 pushq $0x1
10: e8 36 e6 6b ff callq 0xffffffffff6be64b
15: 83 .byte 0x83
[ 24.223568][ T1] dsa-loop fixed-0:1f lan2: configuring for phy/gmii link mode
[ 24.225718][ T32] EAX: c4103194 EBX: edd2e41c ECX: 00000000 EDX: 00000000
[ 24.231643][ T32] ESI: edd2e000 EDI: ffffffff EBP: c0cf1f10 ESP: c0cf1eec
[ 24.231656][ T32] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00010202
[ 24.233216][ T32] CR0: 80050033 CR2: 00000000 CR3: 04551000 CR4: 000406d0
[ 24.235302][ T32] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 24.235312][ T32] DR6: fffe0ff0 DR7: 00000400
[ 24.236711][ T32] Call Trace:
[ 24.236729][ T32] process_one_work (workqueue.c:?)
[ 24.238195][ T32] worker_thread (workqueue.c:?)
[ 24.240453][ T32] ? rcu_lock_release (main.c:?)
All code
========
0: 29 26 sub %esp,(%rsi)
2: c4 01 eb 71 (bad)
6: 83 05 ac 29 26 c4 01 addl $0x1,-0x3bd9d654(%rip) # 0xffffffffc42629b9
d: b8 88 31 10 c4 mov $0xc4103188,%eax
12: ba 01 00 00 00 mov $0x1,%edx
17: 31 c9 xor %ecx,%ecx
19: 6a 01 pushq $0x1
1b: e8 55 e6 6b ff callq 0xffffffffff6be675
20: 83 c4 04 add $0x4,%esp
23: 83 05 34 29 26 c4 01 addl $0x1,-0x3bd9d6cc(%rip) # 0xffffffffc426295e
2a:* 0f 0b ud2 <-- trapping instruction
2c: b8 a0 31 10 c4 mov $0xc41031a0,%eax
31: ba 01 00 00 00 mov $0x1,%edx
36: 31 c9 xor %ecx,%ecx
38: 6a 01 pushq $0x1
3a: e8 36 e6 6b ff callq 0xffffffffff6be675
3f: 83 .byte 0x83
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: b8 a0 31 10 c4 mov $0xc41031a0,%eax
7: ba 01 00 00 00 mov $0x1,%edx
c: 31 c9 xor %ecx,%ecx
e: 6a 01 pushq $0x1
10: e8 36 e6 6b ff callq 0xffffffffff6be64b
15: 83 .byte 0x83
[ 24.242250][ T32] kthread (kthread.c:?)
[ 24.243638][ T32] ? rcu_lock_release (main.c:?)
[ 24.243654][ T32] ? kthread_unuse_mm (kthread.c:?)
[ 24.243661][ T32] ret_from_fork (??:?)
[ 24.243683][ T32] irq event stamp: 255
[ 24.243686][ T32] hardirqs last enabled at (261): console_trylock_spinning (printk.c:?)
[ 24.243696][ T32] hardirqs last disabled at (266): console_trylock_spinning (printk.c:?)
[ 24.243702][ T32] softirqs last enabled at (216): __do_softirq (??:?)
[ 24.243710][ T32] softirqs last disabled at (209): do_softirq_own_stack (??:?)
[ 24.243719][ T32] ---[ end trace 0000000000000000 ]---
If you fix the issue, kindly add following tag
| Reported-by: kernel test robot <yujie.liu@...el.com>
| Link: https://lore.kernel.org/oe-lkp/202302211644.c12d19de-yujie.liu@intel.com
To reproduce:
# build kernel
cd linux
cp config-6.2.0-rc7-01623-g9b01c885be36 .config
make HOSTCC=clang-14 CC=clang-14 ARCH=i386 olddefconfig prepare modules_prepare bzImage modules
make HOSTCC=clang-14 CC=clang-14 ARCH=i386 INSTALL_MOD_PATH=<mod-install-dir> modules_install
cd <mod-install-dir>
find lib/ | cpio -o -H newc --quiet | gzip > modules.cgz
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp qemu -k <bzImage> -m modules.cgz job-script # job-script is attached in this email
# if come across any failure that blocks the test,
# please remove ~/.lkp and /lkp dir to run from a clean state.
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
View attachment "config-6.2.0-rc7-01623-g9b01c885be36" of type "text/plain" (130464 bytes)
View attachment "job-script" of type "text/plain" (4731 bytes)
Download attachment "dmesg.xz" of type "application/x-xz" (46464 bytes)
View attachment "trinity" of type "text/plain" (107 bytes)
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