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Message-ID: <202411051012.f9224879-lkp@intel.com>
Date: Tue, 5 Nov 2024 13:00:53 +0800
From: kernel test robot <oliver.sang@...el.com>
To: "Paul E. McKenney" <paulmck@...nel.org>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>, Frederic Weisbecker
<frederic@...nel.org>, <linux-kernel@...r.kernel.org>,
<oliver.sang@...el.com>
Subject: [paulmckrcu:dev.2024.11.01a] [rcutorture] 622baf5d79:
WARNING:at_kernel/rcu/rcutorture.c:#rcutorture_one_extend_check[rcutorture]
Hello,
kernel test robot noticed "WARNING:at_kernel/rcu/rcutorture.c:#rcutorture_one_extend_check[rcutorture]" on:
commit: 622baf5d79169496973d50fc43636469e6af02b7 ("rcutorture: Make rcutorture_one_extend() check reader state")
https://github.com/paulmckrcu/linux dev.2024.11.01a
in testcase: rcutorture
version:
with following parameters:
runtime: 300s
test: default
torture_type: srcu
config: i386-randconfig-061-20241103
compiler: gcc-12
test machine: qemu-system-i386 -enable-kvm -cpu SandyBridge -smp 2 -m 4G
(please refer to attached dmesg/kmsg for entire log/backtrace)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@...el.com>
| Closes: https://lore.kernel.org/oe-lkp/202411051012.f9224879-lkp@intel.com
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20241105/202411051012.f9224879-lkp@intel.com
[ 94.499370][ T628] ------------[ cut here ]------------
[ 94.504179][ T628] rcutorture_one_extend_check before change: Current 0x20 To add 0x20 To remove 0x0
[ 94.505405][ T628] WARNING: CPU: 0 PID: 628 at kernel/rcu/rcutorture.c:1876 rcutorture_one_extend_check+0x1ff/0x2ba [rcutorture]
[ 94.507176][ T628] Modules linked in: rcutorture(+) torture ata_generic ata_piix mousedev sg intel_agp libata serio_raw intel_gtt agpgart i2c_piix4 rtc_cmos fuse autofs4
[ 94.508995][ T628] CPU: 0 UID: 0 PID: 628 Comm: rcu_torture_rea Not tainted 6.12.0-rc2-00086-g622baf5d7916 #1
[ 94.510118][ T628] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 94.521987][ T628] EIP: rcutorture_one_extend_check+0x1ff/0x2ba [rcutorture]
[ 94.522990][ T628] Code: 00 00 00 80 3d 9c 84 2c f0 00 75 bd c6 05 9c 84 2c f0 01 57 56 53 68 9b 00 2d f0 68 40 1e 2d f0 68 a9 00 2d f0 e8 82 22 db d0 <0f> 0b 83 c4 18 eb 98 31 c0 89 45 f0 80 3d 9b 84 2c f0 00 75 23 c6
[ 94.525121][ T628] EAX: 00000053 EBX: 00000020 ECX: 00000002 EDX: 00000002
[ 94.525898][ T628] ESI: 00000020 EDI: 00000000 EBP: c77c3dc0 ESP: c77c3d8c
[ 94.526758][ T628] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00010246
[ 94.527733][ T628] CR0: 80050033 CR2: b7248000 CR3: 07bc8000 CR4: 000406d0
[ 94.528515][ T628] Call Trace:
[ 94.528885][ T628] ? show_regs+0x61/0x67
[ 94.529424][ T628] ? rcutorture_one_extend_check+0x1ff/0x2ba [rcutorture]
[ 94.530342][ T628] ? __warn+0x9e/0x151
[ 94.530852][ T628] ? report_bug+0x120/0x19d
[ 94.531398][ T628] ? rcutorture_one_extend_check+0x1ff/0x2ba [rcutorture]
[ 94.536465][ T628] ? exc_overflow+0x37/0x37
[ 94.537098][ T628] ? handle_bug+0x3d/0x58
[ 94.537683][ T628] ? exc_invalid_op+0x24/0x60
[ 94.538224][ T628] ? handle_exception+0x133/0x133
[ 94.538880][ T628] ? exc_overflow+0x37/0x37
[ 94.539408][ T628] ? rcutorture_one_extend_check+0x1ff/0x2ba [rcutorture]
[ 94.540399][ T628] ? exc_overflow+0x37/0x37
[ 94.540940][ T628] ? rcutorture_one_extend_check+0x1ff/0x2ba [rcutorture]
[ 94.541903][ T628] rcutorture_one_extend+0x39e/0x3a7 [rcutorture]
[ 94.542657][ T628] rcu_torture_one_read+0x7e/0x4d3 [rcutorture]
[ 94.543218][ T614] srcu-torture: Creating torture_shuffle task
[ 94.543494][ T628] ? __lock_acquire+0x684/0x72e
[ 94.544510][ T630] srcu-torture: rcu_torture_stats task started
[ 94.545082][ T628] rcu_torture_reader+0xb7/0x16a [rcutorture]
[ 94.559381][ T614] srcu-torture: Creating torture_stutter task
[ 94.559414][ T640] srcu-torture: torture_shuffle task started
[ 94.567377][ T614] srcu-torture: Creating rcu_torture_fwd_prog task
[ 94.567413][ T641] srcu-torture: torture_stutter task started
[ 94.567748][ T614] srcu-torture: Creating rcu_torture_read_exit task
[ 94.567772][ T646] srcu-torture: rcu_torture_fwd_progress task started
[ 94.568324][ T647] srcu-torture: rcu_torture_read_exit: Start of test
[ 94.568329][ T647] srcu-torture: rcu_torture_read_exit: Start of episode
[ 94.587605][ T628] ? rcu_torture_one_read+0x4d3/0x4d3 [rcutorture]
[ 94.588336][ T628] kthread+0xe9/0xee
[ 94.588796][ T628] ? rcu_torture_cleanup+0x750/0x750 [rcutorture]
[ 94.589492][ T628] ? list_del_init+0x21/0x21
[ 94.590015][ T628] ret_from_fork+0x19/0x2c
[ 94.590524][ T628] ? list_del_init+0x21/0x21
[ 94.591142][ T628] ret_from_fork_asm+0x12/0x18
[ 94.598922][ T221] 2024-11-04 17:44:01 sleep 300
[ 94.598941][ T221]
[ 94.601820][ T628] entry_INT80_32+0x125/0x125
[ 94.602363][ T628] irq event stamp: 621
[ 94.602906][ T628] hardirqs last enabled at (639): [<c10c43dc>] __up_console_sem+0x59/0x69
[ 94.603896][ T628] hardirqs last disabled at (646): [<c10c43c3>] __up_console_sem+0x40/0x69
[ 94.604836][ T628] softirqs last enabled at (636): [<c1067d80>] handle_softirqs+0x2fb/0x326
[ 94.605797][ T628] softirqs last disabled at (629): [<c1b1071a>] __do_softirq+0xa/0xc
[ 94.613261][ T628] ---[ end trace 0000000000000000 ]---
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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