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From: kernel test robot <oliver.sang@intel.com>
To: Daniel Gomez <da.gomez@samsung.com>
Cc: <oe-lkp@lists.linux.dev>, <lkp@intel.com>,
	Daniel Gomez <da.gomez@samsung.com>,
	<linux-kernel@vger.kernel.org>,
	"willy@infradead.org" <willy@infradead.org>,
	"gost.dev@samsung.com" <gost.dev@samsung.com>,
	"Pankaj Raghav" <p.raghav@samsung.com>,
	"mcgrof@kernel.org" <mcgrof@kernel.org>, <oliver.sang@intel.com>
Subject: Re: [PATCH 1/2] test_xarray: add tests for advanced multi-index use
Date: Wed, 15 Nov 2023 23:02:59 +0800	[thread overview]
Message-ID: <202311152254.610174ff-oliver.sang@intel.com> (raw)
In-Reply-To: <20231104005747.1389762-2-da.gomez@samsung.com>



Hello,

kernel test robot noticed "WARNING:suspicious_RCU_usage" on:

commit: 68f563aa7e55d45795a0396c36a4d3d485f845a0 ("[PATCH 1/2] test_xarray: add tests for advanced multi-index use")
url: https://github.com/intel-lab-lkp/linux/commits/Daniel-Gomez/test_xarray-add-tests-for-advanced-multi-index-use/20231104-085907
base: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git e392ea4d4d00880bf94550151b1ace4f88a4b17a
patch link: https://lore.kernel.org/all/20231104005747.1389762-2-da.gomez@samsung.com/
patch subject: [PATCH 1/2] test_xarray: add tests for advanced multi-index use

in testcase: boot

compiler: gcc-12
test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G

(please refer to attached dmesg/kmsg for entire log/backtrace)


+----------------------------------------------------------------------------------+------------+------------+
|                                                                                  | e392ea4d4d | 68f563aa7e |
+----------------------------------------------------------------------------------+------------+------------+
| WARNING:suspicious_RCU_usage                                                     | 0          | 9          |
| include/linux/xarray.h:#suspicious_rcu_dereference_check()usage                  | 0          | 9          |
| include/linux/xarray.h:#suspicious_rcu_dereference_protected()usage              | 0          | 9          |
| INFO:rcu_preempt_detected_stalls_on_CPUs/tasks                                   | 0          | 9          |
+----------------------------------------------------------------------------------+------------+------------+


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@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202311152254.610174ff-oliver.sang@intel.com


[  304.121213][    T1] WARNING: suspicious RCU usage
[  304.122111][    T1] 6.6.0-12894-g68f563aa7e55 #1 Tainted: G                 N
[  304.123404][    T1] -----------------------------
[  304.124297][    T1] include/linux/xarray.h:1200 suspicious rcu_dereference_check() usage!
[  304.125787][    T1]
[  304.125787][    T1] other info that might help us debug this:
[  304.125787][    T1]
[  304.127648][    T1]
[  304.127648][    T1] rcu_scheduler_active = 2, debug_locks = 1
[  304.129454][    T1] no locks held by swapper/1.
[  304.130560][    T1]
[  304.130560][    T1] stack backtrace:
[  304.131863][    T1] CPU: 0 PID: 1 Comm: swapper Tainted: G                 N 6.6.0-12894-g68f563aa7e55 #1
[  304.132791][    T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  304.132791][    T1] Call Trace:
[  304.132791][    T1]  <TASK>
[ 304.132791][ T1] dump_stack_lvl (lib/dump_stack.c:107 (discriminator 1)) 
[ 304.132791][ T1] lockdep_rcu_suspicious (include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6712) 
[ 304.132791][ T1] xas_start (include/linux/xarray.h:1200 include/linux/xarray.h:1198 lib/xarray.c:190) 
[ 304.132791][ T1] xas_load (lib/xarray.c:237) 
[ 304.132791][ T1] xas_store (lib/xarray.c:789) 
[ 304.132791][ T1] ? xa_load (include/linux/rcupdate.h:306 include/linux/rcupdate.h:780 lib/xarray.c:1465) 
[ 304.132791][ T1] check_xa_multi_store_adv_delete+0xf0/0x120 
[ 304.132791][ T1] ? check_find_1+0x690/0x690 
[ 304.132791][ T1] check_xa_multi_store_adv+0x17d/0x650 
[ 304.132791][ T1] check_multi_store_advanced+0x36/0x90 
[ 304.132791][ T1] ? check_xas_retry+0xee0/0xee0 
[ 304.132791][ T1] xarray_checks (lib/test_xarray.c:1941) 
[ 304.132791][ T1] do_one_initcall (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/jump_label.h:260 include/linux/jump_label.h:270 include/trace/events/initcall.h:48 init/main.c:1237) 
[ 304.132791][ T1] ? trace_event_raw_event_initcall_level (init/main.c:1227) 
[ 304.132791][ T1] do_initcalls (init/main.c:1297 init/main.c:1314) 
[ 304.132791][ T1] kernel_init_freeable (init/main.c:1553) 
[ 304.132791][ T1] ? rest_init (init/main.c:1433) 
[ 304.132791][ T1] kernel_init (init/main.c:1443) 
[ 304.132791][ T1] ? rest_init (init/main.c:1433) 
[ 304.132791][ T1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 304.132791][ T1] ? rest_init (init/main.c:1433) 
[ 304.132791][ T1] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) 
[  304.132791][    T1]  </TASK>
[  304.161541][    T1]
[  304.162053][    T1] =============================
[  304.162982][    T1] WARNING: suspicious RCU usage
[  304.163917][    T1] 6.6.0-12894-g68f563aa7e55 #1 Tainted: G                 N
[  304.165264][    T1] -----------------------------
[  304.166440][    T1] include/linux/xarray.h:1216 suspicious rcu_dereference_check() usage!
[  304.167982][    T1]
[  304.167982][    T1] other info that might help us debug this:
[  304.167982][    T1]
[  304.169978][    T1]
[  304.169978][    T1] rcu_scheduler_active = 2, debug_locks = 1
[  304.171380][    T1] no locks held by swapper/1.
[  304.172271][    T1]
[  304.172271][    T1] stack backtrace:
[  304.173737][    T1] CPU: 0 PID: 1 Comm: swapper Tainted: G                 N 6.6.0-12894-g68f563aa7e55 #1
[  304.175951][    T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  304.177150][    T1] Call Trace:
[  304.177150][    T1]  <TASK>
[ 304.177150][ T1] dump_stack_lvl (lib/dump_stack.c:107 (discriminator 1)) 
[ 304.177150][ T1] lockdep_rcu_suspicious (include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6712) 
[ 304.177150][ T1] xas_descend (include/linux/xarray.h:1216 include/linux/xarray.h:1212 lib/xarray.c:206) 
[ 304.177150][ T1] xas_load (lib/xarray.c:245) 
[ 304.177150][ T1] xas_store (lib/xarray.c:789) 
[ 304.177150][ T1] ? xa_load (include/linux/rcupdate.h:306 include/linux/rcupdate.h:780 lib/xarray.c:1465) 
[ 304.177150][ T1] check_xa_multi_store_adv_delete+0xf0/0x120 
[ 304.177150][ T1] ? check_find_1+0x690/0x690 
[ 304.177150][ T1] check_xa_multi_store_adv+0x17d/0x650 
[ 304.177150][ T1] check_multi_store_advanced+0x36/0x90 
[ 304.177150][ T1] ? check_xas_retry+0xee0/0xee0 
[ 304.177150][ T1] xarray_checks (lib/test_xarray.c:1941) 
[ 304.177150][ T1] do_one_initcall (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/jump_label.h:260 include/linux/jump_label.h:270 include/trace/events/initcall.h:48 init/main.c:1237) 
[ 304.177150][ T1] ? trace_event_raw_event_initcall_level (init/main.c:1227) 
[ 304.177150][ T1] do_initcalls (init/main.c:1297 init/main.c:1314) 
[ 304.177150][ T1] kernel_init_freeable (init/main.c:1553) 
[ 304.177150][ T1] ? rest_init (init/main.c:1433) 
[ 304.177150][ T1] kernel_init (init/main.c:1443) 
[ 304.177150][ T1] ? rest_init (init/main.c:1433) 
[ 304.177150][ T1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 304.177150][ T1] ? rest_init (init/main.c:1433) 
[ 304.177150][ T1] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) 
[  304.177150][    T1]  </TASK>
[  304.209019][    T1]
[  304.209562][    T1] =============================
[  304.210489][    T1] WARNING: suspicious RCU usage
[  304.211422][    T1] 6.6.0-12894-g68f563aa7e55 #1 Tainted: G                 N
[  304.212738][    T1] -----------------------------
[  304.213856][    T1] include/linux/xarray.h:1225 suspicious rcu_dereference_protected() usage!
[  304.216097][    T1]
[  304.216097][    T1] other info that might help us debug this:
[  304.216097][    T1]
[  304.218820][    T1]
[  304.218820][    T1] rcu_scheduler_active = 2, debug_locks = 1
[  304.220914][    T1] no locks held by swapper/1.
[  304.222183][    T1]
[  304.222183][    T1] stack backtrace:
[  304.223559][    T1] CPU: 0 PID: 1 Comm: swapper Tainted: G                 N 6.6.0-12894-g68f563aa7e55 #1
[  304.224892][    T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  304.224892][    T1] Call Trace:
[  304.224892][    T1]  <TASK>
[ 304.224892][ T1] dump_stack_lvl (lib/dump_stack.c:107 (discriminator 1)) 
[ 304.224892][ T1] lockdep_rcu_suspicious (include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6712) 
[ 304.224892][ T1] xas_store (include/linux/xarray.h:1225 lib/xarray.c:835) 
[ 304.224892][ T1] check_xa_multi_store_adv_delete+0xf0/0x120 
[ 304.224892][ T1] ? check_find_1+0x690/0x690 
[ 304.224892][ T1] check_xa_multi_store_adv+0x17d/0x650 
[ 304.224892][ T1] check_multi_store_advanced+0x36/0x90 
[ 304.224892][ T1] ? check_xas_retry+0xee0/0xee0 
[ 304.224892][ T1] xarray_checks (lib/test_xarray.c:1941) 
[ 304.224892][ T1] do_one_initcall (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/jump_label.h:260 include/linux/jump_label.h:270 include/trace/events/initcall.h:48 init/main.c:1237) 
[ 304.224892][ T1] ? trace_event_raw_event_initcall_level (init/main.c:1227) 
[ 304.224892][ T1] do_initcalls (init/main.c:1297 init/main.c:1314) 
[ 304.224892][ T1] kernel_init_freeable (init/main.c:1553) 
[ 304.224892][ T1] ? rest_init (init/main.c:1433) 
[ 304.224892][ T1] kernel_init (init/main.c:1443) 
[ 304.224892][ T1] ? rest_init (init/main.c:1433) 
[ 304.224892][ T1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 304.224892][ T1] ? rest_init (init/main.c:1433) 
[ 304.224892][ T1] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) 
[  304.224892][    T1]  </TASK>
[  304.254135][    T1]
[  304.254916][    T1] =============================
[  304.256249][    T1] WARNING: suspicious RCU usage
[  304.257611][    T1] 6.6.0-12894-g68f563aa7e55 #1 Tainted: G                 N
[  304.259429][    T1] -----------------------------
[  304.260792][    T1] include/linux/xarray.h:1241 suspicious rcu_dereference_protected() usage!
[  304.263056][    T1]
[  304.263056][    T1] other info that might help us debug this:
[  304.263056][    T1]
[  304.265748][    T1]
[  304.265748][    T1] rcu_scheduler_active = 2, debug_locks = 1
[  304.267891][    T1] no locks held by swapper/1.
[  304.269171][    T1]
[  304.269171][    T1] stack backtrace:
[  304.270787][    T1] CPU: 0 PID: 1 Comm: swapper Tainted: G                 N 6.6.0-12894-g68f563aa7e55 #1
[  304.272727][    T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[  304.272727][    T1] Call Trace:
[  304.272727][    T1]  <TASK>
[ 304.272727][ T1] dump_stack_lvl (lib/dump_stack.c:107 (discriminator 1)) 
[ 304.272727][ T1] lockdep_rcu_suspicious (include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6712) 
[ 304.272727][ T1] xas_store (include/linux/xarray.h:1241 lib/xarray.c:492 lib/xarray.c:759 lib/xarray.c:844) 
[ 304.272727][ T1] check_xa_multi_store_adv_delete+0xf0/0x120 
[ 304.272727][ T1] ? check_find_1+0x690/0x690 
[ 304.272727][ T1] check_xa_multi_store_adv+0x3d4/0x650 
[ 304.272727][ T1] check_multi_store_advanced+0x36/0x90 
[ 304.272727][ T1] ? check_xas_retry+0xee0/0xee0 
[ 304.272727][ T1] xarray_checks (lib/test_xarray.c:1941) 
[ 304.272727][ T1] do_one_initcall (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/jump_label.h:260 include/linux/jump_label.h:270 include/trace/events/initcall.h:48 init/main.c:1237) 
[ 304.272727][ T1] ? trace_event_raw_event_initcall_level (init/main.c:1227) 
[ 304.272727][ T1] do_initcalls (init/main.c:1297 init/main.c:1314) 
[ 304.272727][ T1] kernel_init_freeable (init/main.c:1553) 
[ 304.272727][ T1] ? rest_init (init/main.c:1433) 
[ 304.272727][ T1] kernel_init (init/main.c:1443) 
[ 304.272727][ T1] ? rest_init (init/main.c:1433) 
[ 304.272727][ T1] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 304.272727][ T1] ? rest_init (init/main.c:1433) 
[ 304.272727][ T1] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) 
[  304.272727][    T1]  </TASK>
[  342.420416][    C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 86s!
[  342.423303][    C0] Showing busy workqueues and worker pools:
[  342.424864][    C0] workqueue events: flags=0x0
[  342.426128][    C0]   pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
[  342.426185][    C0]     pending: psi_avgs_work, kfree_rcu_monitor, stop_one_cpu_nowait_workfn
[  342.426278][    C0] workqueue events_unbound: flags=0x2
[  342.432244][    C0]   pwq 2: cpus=0 flags=0x4 nice=0 active=1/512 refcnt=2
[  342.432286][    C0]     pending: idle_cull_fn
[  342.435502][    C0] workqueue events_power_efficient: flags=0x80
[  342.437095][    C0]   pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
[  342.437143][    C0]     pending: do_cache_clean, neigh_managed_work, neigh_periodic_work
[  342.437268][    C0] Showing backtraces of running workers in stalled CPU-bound worker pools:
[  360.200350][    C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[  360.200360][    C0] rcu: 	(detected by 0, t=26252 jiffies, g=20393, q=113135 ncpus=1)
[  360.200360][    C0] rcu: All QSes seen, last rcu_preempt kthread activity 26252 (4294981469-4294955217), jiffies_till_next_fqs=1, root ->qsmask 0x0
[  360.200360][    C0] rcu: rcu_preempt kthread starved for 26252 jiffies! g20393 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[  360.200360][    C0] rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[  360.200360][    C0] rcu: RCU grace-period kthread stack dump:
[  360.200360][    C0] task:rcu_preempt     state:R  running task     stack:0     pid:16    tgid:16    ppid:2      flags:0x00004000
[  360.200360][    C0] Call Trace:
[  360.200360][    C0]  <TASK>
[ 360.200360][ C0] __schedule (kernel/sched/core.c:5376 kernel/sched/core.c:6688) 
[ 360.200360][ C0] ? io_schedule_timeout (kernel/sched/core.c:6569) 
[ 360.200360][ C0] schedule (arch/x86/include/asm/preempt.h:85 kernel/sched/core.c:6764 kernel/sched/core.c:6778) 
[ 360.200360][ C0] schedule_timeout (kernel/time/timer.c:1628 include/linux/timer.h:199 kernel/time/timer.c:2168) 
[ 360.200360][ C0] ? usleep_range_state (kernel/time/timer.c:2129) 
[ 360.200360][ C0] ? enqueue_timer (kernel/time/timer.c:2091) 
[ 360.200360][ C0] ? prepare_to_swait_event (kernel/sched/swait.c:122 (discriminator 6)) 
[ 360.200360][ C0] rcu_gp_fqs_loop (kernel/rcu/tree.c:1626 (discriminator 13)) 
[ 360.200360][ C0] ? start_poll_synchronize_rcu_full (kernel/rcu/tree.c:1596) 
[ 360.200360][ C0] ? rcu_gp_init (kernel/rcu/tree.c:1521 (discriminator 23)) 
[ 360.200360][ C0] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4565) 
[ 360.200360][ C0] rcu_gp_kthread (kernel/rcu/tree.c:1828) 
[ 360.200360][ C0] ? rcu_gp_cleanup (kernel/rcu/tree.c:1800) 
[ 360.200360][ C0] ? __kthread_parkme (kernel/kthread.c:293 (discriminator 3)) 
[ 360.200360][ C0] ? rcu_gp_cleanup (kernel/rcu/tree.c:1800) 
[ 360.200360][ C0] kthread (kernel/kthread.c:388) 
[ 360.200360][ C0] ? kthread_complete_and_exit (kernel/kthread.c:341) 
[ 360.200360][ C0] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 360.200360][ C0] ? kthread_complete_and_exit (kernel/kthread.c:341) 
[ 360.200360][ C0] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) 
[  360.200360][    C0]  </TASK>
[  360.200360][    C0] rcu: Stack dump where RCU GP kthread last ran:
[  360.200360][    C0] CPU: 0 PID: 1 Comm: swapper Tainted: G                 N 6.6.0-12894-g68f563aa7e55 #1
[  360.200360][    C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 360.200360][ C0] RIP: 0010:xa_load (lib/xarray.c:1456) 
[ 360.200360][ C0] Code: e8 32 a7 5e fc 48 89 5c 24 28 48 89 6c 24 20 48 c7 44 24 30 00 00 00 00 48 c7 44 24 38 03 00 00 00 48 c7 44 24 40 00 00 00 00 <48> c7 44 24 48 00 00 00 00 48 c7 44 24 50 00 00 00 00 e8 a6 34 4f
All code
========
   0:	e8 32 a7 5e fc       	call   0xfffffffffc5ea737
   5:	48 89 5c 24 28       	mov    %rbx,0x28(%rsp)
   a:	48 89 6c 24 20       	mov    %rbp,0x20(%rsp)
   f:	48 c7 44 24 30 00 00 	movq   $0x0,0x30(%rsp)
  16:	00 00 
  18:	48 c7 44 24 38 03 00 	movq   $0x3,0x38(%rsp)
  1f:	00 00 
  21:	48 c7 44 24 40 00 00 	movq   $0x0,0x40(%rsp)
  28:	00 00 
  2a:*	48 c7 44 24 48 00 00 	movq   $0x0,0x48(%rsp)		<-- trapping instruction
  31:	00 00 
  33:	48 c7 44 24 50 00 00 	movq   $0x0,0x50(%rsp)
  3a:	00 00 
  3c:	e8                   	.byte 0xe8
  3d:	a6                   	cmpsb  %es:(%rdi),%ds:(%rsi)
  3e:	34 4f                	xor    $0x4f,%al

Code starting with the faulting instruction
===========================================
   0:	48 c7 44 24 48 00 00 	movq   $0x0,0x48(%rsp)
   7:	00 00 
   9:	48 c7 44 24 50 00 00 	movq   $0x0,0x50(%rsp)
  10:	00 00 
  12:	e8                   	.byte 0xe8
  13:	a6                   	cmpsb  %es:(%rdi),%ds:(%rsi)
  14:	34 4f                	xor    $0x4f,%al
[  360.200360][    C0] RSP: 0000:ffff888110a9fc90 EFLAGS: 00000246
[  360.200360][    C0] RAX: 0000000000000000 RBX: 00000000020f5ebf RCX: 0000000000000000
[  360.200360][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff87653c00
[  360.200360][    C0] RBP: ffffffff87653c00 R08: 0000000000000000 R09: 0000000000000000
[  360.200360][    C0] R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff11022153f92
[  360.200360][    C0] R13: 0000000000035ebf R14: 0000000000000012 R15: 0000000002180000
[  360.200360][    C0] FS:  0000000000000000(0000) GS:ffffffff86b45000(0000) knlGS:0000000000000000
[  360.200360][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  360.200360][    C0] CR2: ffff88843ffff000 CR3: 0000000006b1a000 CR4: 00000000000406b0
[  360.200360][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  360.200360][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  360.200360][    C0] Call Trace:
[  360.200360][    C0]  <IRQ>
[ 360.200360][ C0] ? show_regs (arch/x86/kernel/dumpstack.c:479) 
[ 360.200360][ C0] ? rcu_check_gp_kthread_starvation (kernel/rcu/tree_stall.h:553 (discriminator 1)) 
[ 360.200360][ C0] ? print_other_cpu_stall (kernel/rcu/tree_stall.h:143 (discriminator 3) kernel/rcu/tree_stall.h:658 (discriminator 3)) 
[ 360.200360][ C0] ? atomic_notifier_call_chain (include/linux/rcupdate.h:306 include/linux/rcupdate.h:780 kernel/notifier.c:232) 
[ 360.200360][ C0] ? check_cpu_stall+0x361/0x4c0 
[ 360.200360][ C0] ? rcu_sched_clock_irq (kernel/rcu/tree.c:3884 kernel/rcu/tree.c:2254) 
[ 360.200360][ C0] ? rcu_note_context_switch (kernel/rcu/tree.c:2233) 
[ 360.200360][ C0] ? rcu_read_lock_sched_held (include/linux/lockdep.h:288 kernel/rcu/update.c:126 kernel/rcu/update.c:120) 
[ 360.200360][ C0] ? update_process_times (kernel/time/timer.c:2073) 
[ 360.200360][ C0] ? msleep_interruptible (kernel/time/timer.c:2065) 
[ 360.200360][ C0] ? tick_do_update_jiffies64 (kernel/time/tick-sched.c:150) 
[ 360.200360][ C0] ? tick_nohz_highres_handler (kernel/time/tick-sched.c:256 kernel/time/tick-sched.c:1516) 
[ 360.200360][ C0] ? __hrtimer_run_queues+0x54e/0x930 
[ 360.200360][ C0] ? tick_do_update_jiffies64 (kernel/time/tick-sched.c:1503) 
[ 360.200360][ C0] ? hrtimer_init (kernel/time/hrtimer.c:1720) 
[ 360.200360][ C0] ? hrtimer_interrupt (kernel/time/hrtimer.c:1817) 
[ 360.200360][ C0] ? __sysvec_apic_timer_interrupt (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/jump_label.h:260 include/linux/jump_label.h:270 arch/x86/include/asm/trace/irq_vectors.h:41 arch/x86/kernel/apic/apic.c:1083) 
[ 360.200360][ C0] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1076 (discriminator 14)) 
[  360.200360][    C0]  </IRQ>
[  360.200360][    C0]  <TASK>
[ 360.200360][ C0] ? asm_sysvec_apic_timer_interrupt (arch/x86/include/asm/idtentry.h:645) 
[ 360.200360][ C0] ? xa_load (lib/xarray.c:1456) 
[ 360.200360][ C0] ? xa_clear_mark (lib/xarray.c:1455) 
[ 360.200360][ C0] ? __sanitizer_cov_trace_pc (kernel/kcov.c:203) 
[ 360.200360][ C0] check_xa_multi_store_adv+0x47c/0x650 
[ 360.200360][ C0] check_multi_store_advanced+0x44/0x90 
[ 360.200360][ C0] ? check_xas_retry+0xee0/0xee0 
[ 360.200360][ C0] xarray_checks (lib/test_xarray.c:1941) 
[ 360.200360][ C0] do_one_initcall (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/jump_label.h:260 include/linux/jump_label.h:270 include/trace/events/initcall.h:48 init/main.c:1237) 
[ 360.200360][ C0] ? trace_event_raw_event_initcall_level (init/main.c:1227) 
[ 360.200360][ C0] do_initcalls (init/main.c:1297 init/main.c:1314) 
[ 360.200360][ C0] kernel_init_freeable (init/main.c:1553) 
[ 360.200360][ C0] ? rest_init (init/main.c:1433) 
[ 360.200360][ C0] kernel_init (init/main.c:1443) 
[ 360.200360][ C0] ? rest_init (init/main.c:1433) 
[ 360.200360][ C0] ret_from_fork (arch/x86/kernel/process.c:153) 
[ 360.200360][ C0] ? rest_init (init/main.c:1433) 
[ 360.200360][ C0] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) 
[  360.200360][    C0]  </TASK>


The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20231115/202311152254.610174ff-oliver.sang@intel.com



-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki


  reply	other threads:[~2023-11-15 15:03 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20231104005750eucas1p11bb8d7b203f8376aacd097a713f35734@eucas1p1.samsung.com>
2023-11-04  0:57 ` [PATCH 0/2] XArray multi-index tests Daniel Gomez
2023-11-04  0:57   ` [PATCH 1/2] test_xarray: add tests for advanced multi-index use Daniel Gomez
2023-11-15 15:02     ` kernel test robot [this message]
2023-11-17 20:54       ` Luis Chamberlain
2023-11-17 20:58         ` Matthew Wilcox
2023-11-17 21:01           ` Luis Chamberlain
2024-01-26 19:12             ` Luis Chamberlain
2024-01-26 19:26               ` Matthew Wilcox
2024-01-26 20:04                 ` Luis Chamberlain
2024-01-26 20:32                   ` Matthew Wilcox
2024-01-31 21:58                     ` Luis Chamberlain
2024-02-15  2:15                     ` Luis Chamberlain
2023-11-04  0:57   ` [PATCH 2/2] XArray: add cmpxchg order test Daniel Gomez
2023-11-04  1:00   ` [PATCH 0/2] XArray multi-index tests Daniel Gomez

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