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Message-ID: <202404151046.448e2d6e-lkp@intel.com>
Date: Mon, 15 Apr 2024 10:42:37 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Kairui Song <kasong@...cent.com>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>, Andrew Morton
<akpm@...ux-foundation.org>, Matthew Wilcox <willy@...radead.org>,
<linux-fsdevel@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<oliver.sang@...el.com>
Subject: [akpm-mm:mm-unstable] [lib/xarray] ecc70b3e0b:
WARNING:suspicious_RCU_usage
Hello,
kernel test robot noticed "WARNING:suspicious_RCU_usage" on:
commit: ecc70b3e0b318995571df44b14e05ff75aed9c71 ("lib/xarray: introduce a new helper xas_get_order")
https://git.kernel.org/cgit/linux/kernel/git/akpm/mm.git mm-unstable
in testcase: boot
compiler: gcc-13
test machine: qemu-system-i386 -enable-kvm -cpu SandyBridge -smp 2 -m 4G
(please refer to attached dmesg/kmsg for entire log/backtrace)
+---------------------------------------------------------------------+------------+------------+
| | 24b488a793 | ecc70b3e0b |
+---------------------------------------------------------------------+------------+------------+
| WARNING:suspicious_RCU_usage | 0 | 18 |
| include/linux/xarray.h:#suspicious_rcu_dereference_check()usage | 0 | 18 |
| include/linux/xarray.h:#suspicious_rcu_dereference_protected()usage | 0 | 18 |
+---------------------------------------------------------------------+------------+------------+
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/202404151046.448e2d6e-lkp@intel.com
[ 9.238389][ T1] WARNING: suspicious RCU usage
[ 9.238967][ T1] 6.9.0-rc2-00175-gecc70b3e0b31 #1 Not tainted
[ 9.239710][ T1] -----------------------------
[ 9.240287][ T1] include/linux/xarray.h:1200 suspicious rcu_dereference_check() usage!
[ 9.241252][ T1]
[ 9.241252][ T1] other info that might help us debug this:
[ 9.241252][ T1]
[ 9.242399][ T1]
[ 9.242399][ T1] rcu_scheduler_active = 2, debug_locks = 1
[ 9.243291][ T1] no locks held by swapper/1.
[ 9.243821][ T1]
[ 9.243821][ T1] stack backtrace:
[ 9.244507][ T1] CPU: 0 PID: 1 Comm: swapper Not tainted 6.9.0-rc2-00175-gecc70b3e0b31 #1
[ 9.245242][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 9.245242][ T1] Call Trace:
[ 9.245242][ T1] dump_stack_lvl (lib/dump_stack.c:117 (discriminator 1) lib/dump_stack.c:97 (discriminator 1))
[ 9.245242][ T1] dump_stack (lib/dump_stack.c:124)
[ 9.245242][ T1] lockdep_rcu_suspicious (include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6713)
[ 9.245242][ T1] xas_start (include/linux/xarray.h:1200 (discriminator 11) include/linux/xarray.h:1198 (discriminator 11) lib/xarray.c:190 (discriminator 11))
[ 9.245242][ T1] xas_load (lib/xarray.c:237)
[ 9.245242][ T1] xas_store (lib/xarray.c:789)
[ 9.245242][ T1] ? check_xas_get_order+0xab/0xd8
[ 9.245242][ T1] ? lock_release (kernel/locking/lockdep.c:467 (discriminator 4) kernel/locking/lockdep.c:5776 (discriminator 4))
[ 9.245242][ T1] check_xas_get_order+0xbf/0xd8
[ 9.245242][ T1] xarray_checks (lib/test_xarray.c:2070)
[ 9.245242][ T1] do_one_initcall (init/main.c:1238)
[ 9.245242][ T1] ? parameq (include/linux/fortify-string.h:250 kernel/params.c:99)
[ 9.245242][ T1] ? check_move+0xbe8/0xbe8
[ 9.245242][ T1] do_initcalls (init/main.c:1299 (discriminator 1) init/main.c:1316 (discriminator 1))
[ 9.245242][ T1] ? rest_init (init/main.c:1429)
[ 9.245242][ T1] kernel_init_freeable (init/main.c:1552)
[ 9.245242][ T1] kernel_init (init/main.c:1439)
[ 9.245242][ T1] ret_from_fork (arch/x86/kernel/process.c:153)
[ 9.245242][ T1] ? rest_init (init/main.c:1429)
[ 9.245242][ T1] ret_from_fork_asm (arch/x86/entry/entry_32.S:737)
[ 9.245242][ T1] entry_INT80_32 (arch/x86/entry/entry_32.S:944)
[ 9.258425][ T1]
[ 9.258700][ T1] =============================
[ 9.259264][ T1] WARNING: suspicious RCU usage
[ 9.259829][ T1] 6.9.0-rc2-00175-gecc70b3e0b31 #1 Not tainted
[ 9.260521][ T1] -----------------------------
[ 9.261082][ T1] include/linux/xarray.h:1216 suspicious rcu_dereference_check() usage!
[ 9.262017][ T1]
[ 9.262017][ T1] other info that might help us debug this:
[ 9.262017][ T1]
[ 9.263197][ T1]
[ 9.263197][ T1] rcu_scheduler_active = 2, debug_locks = 1
[ 9.264126][ T1] no locks held by swapper/1.
[ 9.264678][ T1]
[ 9.264678][ T1] stack backtrace:
[ 9.265386][ T1] CPU: 0 PID: 1 Comm: swapper Not tainted 6.9.0-rc2-00175-gecc70b3e0b31 #1
[ 9.266369][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 9.267564][ T1] Call Trace:
[ 9.267954][ T1] dump_stack_lvl (lib/dump_stack.c:117 (discriminator 1) lib/dump_stack.c:97 (discriminator 1))
[ 9.268481][ T1] dump_stack (lib/dump_stack.c:124)
[ 9.268937][ T1] lockdep_rcu_suspicious (include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6713)
[ 9.269375][ T1] xas_load (include/linux/xarray.h:1216 (discriminator 11) include/linux/xarray.h:1212 (discriminator 11) lib/xarray.c:206 (discriminator 11) lib/xarray.c:244 (discriminator 11))
[ 9.269375][ T1] xas_store (lib/xarray.c:789)
[ 9.269375][ T1] ? check_xas_get_order+0xab/0xd8
[ 9.269375][ T1] ? lock_release (kernel/locking/lockdep.c:467 (discriminator 4) kernel/locking/lockdep.c:5776 (discriminator 4))
[ 9.269375][ T1] check_xas_get_order+0xbf/0xd8
[ 9.269375][ T1] xarray_checks (lib/test_xarray.c:2070)
[ 9.269375][ T1] do_one_initcall (init/main.c:1238)
[ 9.269375][ T1] ? parameq (include/linux/fortify-string.h:250 kernel/params.c:99)
[ 9.269375][ T1] ? check_move+0xbe8/0xbe8
[ 9.269375][ T1] do_initcalls (init/main.c:1299 (discriminator 1) init/main.c:1316 (discriminator 1))
[ 9.269375][ T1] ? rest_init (init/main.c:1429)
[ 9.269375][ T1] kernel_init_freeable (init/main.c:1552)
[ 9.269375][ T1] kernel_init (init/main.c:1439)
[ 9.269375][ T1] ret_from_fork (arch/x86/kernel/process.c:153)
[ 9.269375][ T1] ? rest_init (init/main.c:1429)
[ 9.269375][ T1] ret_from_fork_asm (arch/x86/entry/entry_32.S:737)
[ 9.269375][ T1] entry_INT80_32 (arch/x86/entry/entry_32.S:944)
[ 9.278798][ T1]
[ 9.279064][ T1] =============================
[ 9.279608][ T1] WARNING: suspicious RCU usage
[ 9.280153][ T1] 6.9.0-rc2-00175-gecc70b3e0b31 #1 Not tainted
[ 9.280831][ T1] -----------------------------
[ 9.281417][ T1] include/linux/xarray.h:1225 suspicious rcu_dereference_protected() usage!
[ 9.282418][ T1]
[ 9.282418][ T1] other info that might help us debug this:
[ 9.282418][ T1]
[ 9.283603][ T1]
[ 9.283603][ T1] rcu_scheduler_active = 2, debug_locks = 1
[ 9.284523][ T1] no locks held by swapper/1.
[ 9.285076][ T1]
[ 9.285076][ T1] stack backtrace:
[ 9.285746][ T1] CPU: 0 PID: 1 Comm: swapper Not tainted 6.9.0-rc2-00175-gecc70b3e0b31 #1
[ 9.286734][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 9.287903][ T1] Call Trace:
[ 9.288288][ T1] dump_stack_lvl (lib/dump_stack.c:117 (discriminator 1) lib/dump_stack.c:97 (discriminator 1))
[ 9.288812][ T1] dump_stack (lib/dump_stack.c:124)
[ 9.289065][ T1] lockdep_rcu_suspicious (include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6713)
[ 9.289065][ T1] xas_store (include/linux/xarray.h:1225 (discriminator 7) lib/xarray.c:835 (discriminator 7))
[ 9.289065][ T1] check_xas_get_order+0xbf/0xd8
[ 9.289065][ T1] xarray_checks (lib/test_xarray.c:2070)
[ 9.289065][ T1] do_one_initcall (init/main.c:1238)
[ 9.289065][ T1] ? parameq (include/linux/fortify-string.h:250 kernel/params.c:99)
[ 9.289065][ T1] ? check_move+0xbe8/0xbe8
[ 9.289065][ T1] do_initcalls (init/main.c:1299 (discriminator 1) init/main.c:1316 (discriminator 1))
[ 9.289065][ T1] ? rest_init (init/main.c:1429)
[ 9.289065][ T1] kernel_init_freeable (init/main.c:1552)
[ 9.289065][ T1] kernel_init (init/main.c:1439)
[ 9.289065][ T1] ret_from_fork (arch/x86/kernel/process.c:153)
[ 9.289065][ T1] ? rest_init (init/main.c:1429)
[ 9.289065][ T1] ret_from_fork_asm (arch/x86/entry/entry_32.S:737)
[ 9.289065][ T1] entry_INT80_32 (arch/x86/entry/entry_32.S:944)
[ 9.297406][ T1]
[ 9.297671][ T1] =============================
[ 9.298216][ T1] WARNING: suspicious RCU usage
[ 9.298766][ T1] 6.9.0-rc2-00175-gecc70b3e0b31 #1 Not tainted
[ 9.299454][ T1] -----------------------------
[ 9.300019][ T1] include/linux/xarray.h:1241 suspicious rcu_dereference_protected() usage!
[ 9.301031][ T1]
[ 9.301031][ T1] other info that might help us debug this:
[ 9.301031][ T1]
[ 9.302212][ T1]
[ 9.302212][ T1] rcu_scheduler_active = 2, debug_locks = 1
[ 9.303143][ T1] no locks held by swapper/1.
[ 9.303682][ T1]
[ 9.303682][ T1] stack backtrace:
[ 9.304357][ T1] CPU: 0 PID: 1 Comm: swapper Not tainted 6.9.0-rc2-00175-gecc70b3e0b31 #1
[ 9.305021][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 9.305021][ T1] Call Trace:
[ 9.305021][ T1] dump_stack_lvl (lib/dump_stack.c:117 (discriminator 1) lib/dump_stack.c:97 (discriminator 1))
[ 9.305021][ T1] dump_stack (lib/dump_stack.c:124)
[ 9.305021][ T1] lockdep_rcu_suspicious (include/linux/context_tracking.h:153 kernel/locking/lockdep.c:6713)
[ 9.305021][ T1] xas_store (include/linux/xarray.h:1241 (discriminator 7) lib/xarray.c:492 (discriminator 7) lib/xarray.c:759 (discriminator 7) lib/xarray.c:844 (discriminator 7))
[ 9.305021][ T1] check_xas_get_order+0xbf/0xd8
[ 9.305021][ T1] xarray_checks (lib/test_xarray.c:2070)
[ 9.305021][ T1] do_one_initcall (init/main.c:1238)
[ 9.305021][ T1] ? parameq (include/linux/fortify-string.h:250 kernel/params.c:99)
[ 9.305021][ T1] ? check_move+0xbe8/0xbe8
[ 9.305021][ T1] do_initcalls (init/main.c:1299 (discriminator 1) init/main.c:1316 (discriminator 1))
[ 9.305021][ T1] ? rest_init (init/main.c:1429)
[ 9.305021][ T1] kernel_init_freeable (init/main.c:1552)
[ 9.305021][ T1] kernel_init (init/main.c:1439)
[ 9.305021][ T1] ret_from_fork (arch/x86/kernel/process.c:153)
[ 9.305021][ T1] ? rest_init (init/main.c:1429)
[ 9.305021][ T1] ret_from_fork_asm (arch/x86/entry/entry_32.S:737)
[ 9.305021][ T1] entry_INT80_32 (arch/x86/entry/entry_32.S:944)
[ 10.414008][ T1] XArray: 6781276 of 6781276 tests passed
[ 10.414757][ T1]
[ 10.414757][ T1] TEST STARTING
[ 10.414757][ T1]
[ 94.791459][ T1] maple_tree: 3808238 of 3808238 tests passed
[ 94.792303][ T1] test_free_pages: Testing with GFP_KERNEL
[ 109.502131][ T1] test_free_pages: Testing with GFP_KERNEL | __GFP_COMP
[ 115.289105][ T1] test_free_pages: Test completed
[ 115.289894][ T1] ref_tracker: reference already released.
[ 115.290608][ T1] ref_tracker: allocated in:
[ 115.291146][ T1] alloctest_ref_tracker_alloc1+0x14/0x18
[ 115.291955][ T1] test_ref_tracker_init (lib/test_ref_tracker.c:74)
[ 115.292546][ T1] do_one_initcall (init/main.c:1238)
[ 115.292922][ T1] do_initcalls (init/main.c:1299 (discriminator 1) init/main.c:1316 (discriminator 1))
[ 115.292922][ T1] kernel_init_freeable (init/main.c:1552)
[ 115.292922][ T1] kernel_init (init/main.c:1439)
[ 115.292922][ T1] ret_from_fork (arch/x86/kernel/process.c:153)
[ 115.292922][ T1] ret_from_fork_asm (arch/x86/entry/entry_32.S:737)
[ 115.292922][ T1] restore_all_switch_stack (arch/x86/entry/entry_32.S:944)
[ 115.292922][ T1] ref_tracker: freed in:
[ 115.292922][ T1] alloctest_ref_tracker_free+0xf/0x14
[ 115.292922][ T1] test_ref_tracker_init (lib/test_ref_tracker.c:93 (discriminator 1))
[ 115.292922][ T1] do_one_initcall (init/main.c:1238)
[ 115.292922][ T1] do_initcalls (init/main.c:1299 (discriminator 1) init/main.c:1316 (discriminator 1))
[ 115.292922][ T1] kernel_init_freeable (init/main.c:1552)
[ 115.292922][ T1] kernel_init (init/main.c:1439)
[ 115.292922][ T1] ret_from_fork (arch/x86/kernel/process.c:153)
[ 115.292922][ T1] ret_from_fork_asm (arch/x86/entry/entry_32.S:737)
[ 115.292922][ T1] restore_all_switch_stack (arch/x86/entry/entry_32.S:944)
[ 115.302044][ T1] ------------[ cut here ]------------
[ 115.302692][ T1] WARNING: CPU: 0 PID: 1 at lib/ref_tracker.c:255 ref_tracker_free (lib/ref_tracker.c:255 (discriminator 1))
[ 115.303724][ T1] Modules linked in:
[ 115.304188][ T1] CPU: 0 PID: 1 Comm: swapper Not tainted 6.9.0-rc2-00175-gecc70b3e0b31 #1
[ 115.305200][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 115.306397][ T1] EIP: ref_tracker_free (lib/ref_tracker.c:255 (discriminator 1))
[ 115.307007][ T1] Code: e8 43 54 fc ff eb 96 68 8c dd f0 c1 e8 ef e4 d1 ff 8b 47 0c 5b 85 c0 75 4d 8b 57 10 85 d2 75 31 8b 55 b0 89 f0 e8 4a 9a 4c 00 <0f> 0b b8 ea ff ff ff e9 69 ff ff ff 8d 4e 28 b8 ff ff ff ff 0f c1
All code
========
0: e8 43 54 fc ff call 0xfffffffffffc5448
5: eb 96 jmp 0xffffffffffffff9d
7: 68 8c dd f0 c1 push $0xffffffffc1f0dd8c
c: e8 ef e4 d1 ff call 0xffffffffffd1e500
11: 8b 47 0c mov 0xc(%rdi),%eax
14: 5b pop %rbx
15: 85 c0 test %eax,%eax
17: 75 4d jne 0x66
19: 8b 57 10 mov 0x10(%rdi),%edx
1c: 85 d2 test %edx,%edx
1e: 75 31 jne 0x51
20: 8b 55 b0 mov -0x50(%rbp),%edx
23: 89 f0 mov %esi,%eax
25: e8 4a 9a 4c 00 call 0x4c9a74
2a:* 0f 0b ud2 <-- trapping instruction
2c: b8 ea ff ff ff mov $0xffffffea,%eax
31: e9 69 ff ff ff jmp 0xffffffffffffff9f
36: 8d 4e 28 lea 0x28(%rsi),%ecx
39: b8 ff ff ff ff mov $0xffffffff,%eax
3e: 0f .byte 0xf
3f: c1 .byte 0xc1
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: b8 ea ff ff ff mov $0xffffffea,%eax
7: e9 69 ff ff ff jmp 0xffffffffffffff75
c: 8d 4e 28 lea 0x28(%rsi),%ecx
f: b8 ff ff ff ff mov $0xffffffff,%eax
14: 0f .byte 0xf
15: c1 .byte 0xc1
[ 115.309186][ T1] EAX: 091e2aa9 EBX: c1f0dd8c ECX: 00000000 EDX: 00000000
[ 115.309982][ T1] ESI: c2dc76c0 EDI: c3787200 EBP: c0209edc ESP: c0209e88
[ 115.310795][ T1] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 EFLAGS: 00010246
[ 115.311659][ T1] CR0: 80050033 CR2: ffbff000 CR3: 024a0000 CR4: 000406b0
[ 115.312468][ T1] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 115.313308][ T1] DR6: fffe0ff0 DR7: 00000400
[ 115.313846][ T1] Call Trace:
[ 115.314236][ T1] ? show_regs (arch/x86/kernel/dumpstack.c:479)
[ 115.314744][ T1] ? ref_tracker_free (lib/ref_tracker.c:255 (discriminator 1))
[ 115.315318][ T1] ? __warn (kernel/panic.c:694)
[ 115.315788][ T1] ? ref_tracker_free (lib/ref_tracker.c:255 (discriminator 1))
[ 115.316375][ T1] ? report_bug (lib/bug.c:201 lib/bug.c:219)
[ 115.316886][ T1] ? exc_overflow (arch/x86/kernel/traps.c:252)
[ 115.317426][ T1] ? handle_bug (arch/x86/kernel/traps.c:218)
[ 115.317938][ T1] ? exc_invalid_op (arch/x86/kernel/traps.c:260 (discriminator 1))
[ 115.318487][ T1] ? handle_exception (arch/x86/entry/entry_32.S:1047)
[ 115.319063][ T1] ? tcp_net_metrics_exit_batch (net/ipv4/tcp_metrics.c:1032)
[ 115.319705][ T1] ? exc_overflow (arch/x86/kernel/traps.c:252)
[ 115.320206][ T1] ? ref_tracker_free (lib/ref_tracker.c:255 (discriminator 1))
[ 115.320784][ T1] ? exc_overflow (arch/x86/kernel/traps.c:252)
[ 115.321327][ T1] ? ref_tracker_free (lib/ref_tracker.c:255 (discriminator 1))
[ 115.321902][ T1] ? alloctest_ref_tracker_free+0xf/0x14
[ 115.322651][ T1] ? test_ref_tracker_init (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/atomic/atomic-instrumented.h:33 lib/test_ref_tracker.c:99)
[ 115.323267][ T1] ? do_one_initcall (init/main.c:1238)
[ 115.323834][ T1] ? do_initcalls (init/main.c:1299 (discriminator 1) init/main.c:1316 (discriminator 1))
[ 115.324359][ T1] ? kernel_init_freeable (init/main.c:1552)
[ 115.325001][ T1] ? kernel_init (init/main.c:1439)
[ 115.325523][ T1] ? ret_from_fork (arch/x86/kernel/process.c:153)
[ 115.326035][ T1] ? ret_from_fork_asm (arch/x86/entry/entry_32.S:737)
[ 115.326587][ T1] ? entry_INT80_32 (arch/x86/entry/entry_32.S:944)
[ 115.327143][ T1] alloctest_ref_tracker_free+0xf/0x14
[ 115.327913][ T1] test_ref_tracker_init (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/atomic/atomic-instrumented.h:33 lib/test_ref_tracker.c:99)
[ 115.328534][ T1] do_one_initcall (init/main.c:1238)
[ 115.329118][ T1] ? parameq (include/linux/fortify-string.h:250 kernel/params.c:99)
[ 115.329609][ T1] ? maple_tree_seed (lib/test_ref_tracker.c:64)
[ 115.330189][ T1] do_initcalls (init/main.c:1299 (discriminator 1) init/main.c:1316 (discriminator 1))
[ 115.330717][ T1] ? rest_init (init/main.c:1429)
[ 115.331253][ T1] kernel_init_freeable (init/main.c:1552)
[ 115.331867][ T1] kernel_init (init/main.c:1439)
[ 115.332370][ T1] ret_from_fork (arch/x86/kernel/process.c:153)
[ 115.332868][ T1] ? rest_init (init/main.c:1429)
[ 115.333404][ T1] ret_from_fork_asm (arch/x86/entry/entry_32.S:737)
[ 115.333966][ T1] entry_INT80_32 (arch/x86/entry/entry_32.S:944)
[ 115.334513][ T1] irq event stamp: 152972385
[ 115.335040][ T1] hardirqs last enabled at (152972393): console_unlock (arch/x86/include/asm/irqflags.h:42 arch/x86/include/asm/irqflags.h:77 arch/x86/include/asm/irqflags.h:135 kernel/printk/printk.c:341 kernel/printk/printk.c:2731 kernel/printk/printk.c:3050)
[ 115.336083][ T1] hardirqs last disabled at (152972400): console_unlock (kernel/printk/printk.c:339 (discriminator 3) kernel/printk/printk.c:2731 (discriminator 3) kernel/printk/printk.c:3050 (discriminator 3))
[ 115.337125][ T1] softirqs last enabled at (152972420): __do_softirq (kernel/softirq.c:401 (discriminator 2) kernel/softirq.c:583 (discriminator 2))
[ 115.338129][ T1] softirqs last disabled at (152972409): do_softirq_own_stack (arch/x86/kernel/irq_32.c:57 arch/x86/kernel/irq_32.c:147)
[ 115.339208][ T1] ---[ end trace 0000000000000000 ]---
[ 115.339922][ T1] ref_tracker: selftest@(ptrval) has 1/2 users at
[ 115.339922][ T1] test_ref_tracker_timer_func (lib/test_ref_tracker.c:61)
[ 115.339922][ T1] call_timer_fn (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/timer.h:127 kernel/time/timer.c:1794)
[ 115.339922][ T1] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418)
[ 115.339922][ T1] run_timer_softirq (kernel/time/timer.c:2430 kernel/time/timer.c:2438 kernel/time/timer.c:2448)
[ 115.339922][ T1] __do_softirq (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/irq.h:142 kernel/softirq.c:555)
[ 115.339922][ T1]
[ 115.341107][ T1] ref_tracker: selftest@(ptrval) has 1/2 users at
[ 115.341107][ T1] alloctest_ref_tracker_alloc1+0x14/0x18
[ 115.341107][ T1] test_ref_tracker_init (lib/test_ref_tracker.c:73)
[ 115.341107][ T1] do_one_initcall (init/main.c:1238)
[ 115.341107][ T1] do_initcalls (init/main.c:1299 (discriminator 1) init/main.c:1316 (discriminator 1))
[ 115.341107][ T1] kernel_init_freeable (init/main.c:1552)
[ 115.341107][ T1] kernel_init (init/main.c:1439)
[ 115.341107][ T1] ret_from_fork (arch/x86/kernel/process.c:153)
[ 115.341107][ T1] ret_from_fork_asm (arch/x86/entry/entry_32.S:737)
[ 115.341107][ T1] restore_all_switch_stack (arch/x86/entry/entry_32.S:944)
[ 115.341107][ T1]
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20240415/202404151046.448e2d6e-lkp@intel.com
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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