INFO: rcu detected stall in sys

Kernel	Title	Repro	Cause bisect	Count	Last	Reported	Patched	Status
linux-6.1	INFO: rcu detected stall in sys_mmap			1	126d	126d	0/3	auto-obsoleted due to no activity on 2025/01/02 00:33
upstream	INFO: rcu detected stall in sys_mmap (3) mm	C	error	18	8d16h	63d	0/28	upstream: reported C repro on 2024/11/25 13:27
upstream	INFO: rcu detected stall in sys_mmap (2) mm kasan			4	420d	524d	0/28	auto-obsoleted due to no activity on 2024/03/03 09:59

rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P8244 (detected by 0, t=10503 jiffies, g=6449, q=159) blkid R running task 28312 8244 7901 0x0000400a Call Trace: <IRQ> sched_show_task+0x40f/0x560 kernel/sched/core.c:5954 rcu_print_detail_task_stall_rnp kernel/rcu/tree_stall.h:190 [inline] print_other_cpu_stall kernel/rcu/tree_stall.h:398 [inline] check_cpu_stall kernel/rcu/tree_stall.h:538 [inline] rcu_pending kernel/rcu/tree.c:2827 [inline] rcu_sched_clock_irq+0x16b1/0x1ad0 kernel/rcu/tree.c:2271 update_process_times+0x12d/0x180 kernel/time/timer.c:1726 tick_sched_handle kernel/time/tick-sched.c:167 [inline] tick_sched_timer+0x263/0x420 kernel/time/tick-sched.c:1310 __run_hrtimer kernel/time/hrtimer.c:1514 [inline] __hrtimer_run_queues+0x403/0x840 kernel/time/hrtimer.c:1576 hrtimer_interrupt+0x38c/0xda0 kernel/time/hrtimer.c:1638 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1110 [inline] smp_apic_timer_interrupt+0x109/0x280 arch/x86/kernel/apic/apic.c:1135 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 </IRQ> RIP: 0010:mod_memcg_page_state+0x0/0x190 include/linux/memcontrol.h:652 Code: 48 8b 3b e8 12 c1 5f 00 eb 0c e8 0b 29 2e 00 eb 05 e8 04 29 2e 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 <55> 48 89 e5 41 57 41 56 41 54 53 41 89 f6 48 89 fb e8 da 28 2e 00 RSP: 0018:ffffc90002297700 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 1ffff1101404f201 RBX: ffff8880a0279008 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000248eac0 RBP: ffffc90002297740 R08: 000000000003a768 R09: ffffed1011a38b4f R10: ffffed1011a38b4f R11: 0000000000000000 R12: ffff8880a02790a0 R13: dffffc0000000000 R14: 1ffff1101404f214 R15: ffff88808d1c5a68 release_task_stack kernel/fork.c:440 [inline] put_task_stack+0xa3/0x130 kernel/fork.c:451 finish_task_switch+0x3f1/0x550 kernel/sched/core.c:3256 context_switch kernel/sched/core.c:3388 [inline] __schedule+0x9a8/0xcc0 kernel/sched/core.c:4081 preempt_schedule_irq+0xc1/0x140 kernel/sched/core.c:4338 retint_kernel+0x1b/0x2b RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:752 [inline] RIP: 0010:lock_acquire+0x1b2/0x250 kernel/locking/lockdep.c:4488 Code: c1 e8 03 42 80 3c 30 00 74 0c 48 c7 c7 28 96 0a 89 e8 b2 7e 56 00 48 83 3d d2 01 af 07 00 0f 84 9c 00 00 00 48 8b 7d c0 57 9d <0f> 1f 44 00 00 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 44 89 RSP: 0018:ffffc90002297958 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff12152c5 RBX: 0000000000000000 RCX: e668264dc84383e6 RDX: dffffc0000000000 RSI: ffff8880960d2d98 RDI: 0000000000000286 RBP: ffffc900022979b0 R08: dffffc0000000000 R09: fffffbfff13c8d1d R10: fffffbfff13c8d1d R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffffff890d4bc0 rcu_lock_acquire+0x2e/0x40 include/linux/rcupdate.h:208 rcu_read_lock include/linux/rcupdate.h:617 [inline] ima_match_policy+0x9a/0x11e0 security/integrity/ima/ima_policy.c:500 ima_get_action+0x69/0xa0 security/integrity/ima/ima_api.c:192 process_measurement+0x209/0x18d0 security/integrity/ima/ima_main.c:217 ima_file_mmap+0xba/0x110 security/integrity/ima/ima_main.c:391 security_mmap_file+0x1ae/0x1d0 security/security.c:1453 vm_mmap_pgoff+0xca/0x1d0 mm/util.c:502 ksys_mmap_pgoff+0x46b/0x560 mm/mmap.c:1607 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:91 [inline] __x64_sys_mmap+0x103/0x120 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0xf7/0x1c0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fe51dabd3ea Code: 48 8d 3d 81 69 00 00 b2 84 e8 52 ec ff ff f7 d8 89 05 ae ad 20 00 eb c6 90 90 90 90 90 90 90 90 49 89 ca b8 09 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d 8a ad 20 00 31 d2 48 29 c2 89 RSP: 002b:00007ffc3f3dd218 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fe51dcbf000 RCX: 00007fe51dabd3ea RDX: 0000000000000005 RSI: 00000000002041b0 RDI: 0000000000000000 RBP: 00007ffc3f3dd510 R08: 0000000000000003 R09: 0000000000000000 R10: 0000000000000802 R11: 0000000000000246 R12: 00007ffc3f3dd5f8 R13: 0000000000000002 R14: 0000000000000003 R15: 00007ffc3f3dd260 rcu: rcu_preempt kthread starved for 10545 jiffies! g6449 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: RCU grace-period kthread stack dump: rcu_preempt R running task 29032 10 2 0x80004000 Call Trace: context_switch kernel/sched/core.c:3385 [inline] __schedule+0x9a0/0xcc0 kernel/sched/core.c:4081 schedule+0x181/0x210 kernel/sched/core.c:4155 schedule_timeout+0x14f/0x240 kernel/time/timer.c:1895 rcu_gp_fqs_loop kernel/rcu/tree.c:1661 [inline] rcu_gp_kthread+0xed8/0x1770 kernel/rcu/tree.c:1821 kthread+0x332/0x350 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352