rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (1 GPs behind) idle=87b4/1/0x4000000000000000 softirq=15527/15528 fqs=0
rcu: 	(detected by 0, t=10506 jiffies, g=12185, q=321 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 5857 Comm: syz-executor Not tainted 6.12.0-syzkaller-09567-g7eef7e306d3c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:validate_chain+0xdc/0x5920 kernel/locking/lockdep.c:3871
Code: 89 44 21 2b 48 89 8c 24 c0 00 00 00 42 c6 44 21 33 f3 48 89 b4 24 b0 00 00 00 4c 8d 6e 20 4c 89 e8 48 c1 e8 03 48 89 44 24 60 <42> 0f b6 04 20 84 c0 0f 85 ef 4c 00 00 41 8b 5d 00 89 d8 25 00 80
RSP: 0018:ffffc90000a185e0 EFLAGS: 00000016
RAX: 1ffff1100b99016a RBX: ffffffff93c97780 RCX: 1ffff920001430dc
RDX: 0000000000000000 RSI: ffff88805cc80b30 RDI: ffff88805cc80000
RBP: ffffc90000a188e0 R08: ffffffff9431f887 R09: 1ffffffff2863f10
R10: dffffc0000000000 R11: fffffbfff2863f11 R12: dffffc0000000000
R13: ffff88805cc80b50 R14: 97064f26aa3bd169 R15: 0000000000000000
FS:  000055557016e500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555c7d2808 CR3: 000000003414c000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5226
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
 debug_object_activate+0x17f/0x580 lib/debugobjects.c:818
 debug_hrtimer_activate kernel/time/hrtimer.c:428 [inline]
 debug_activate kernel/time/hrtimer.c:469 [inline]
 enqueue_hrtimer+0x30/0x3c0 kernel/time/hrtimer.c:1076
 __run_hrtimer kernel/time/hrtimer.c:1756 [inline]
 __hrtimer_run_queues+0x6cb/0xd50 kernel/time/hrtimer.c:1803
 hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x112/0x420 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:filter_irq_stacks+0x4f/0xa0 kernel/stacktrace.c:397
Code: b0 1b dc 8b 48 89 fb eb 0c 49 ff c7 48 83 c3 08 4d 39 fc 74 4f 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 <74> 08 48 89 df e8 57 14 7f 00 4b 8b 04 fe 48 39 e8 72 0c 48 c7 c1
RSP: 0018:ffffc90003297548 EFLAGS: 00000246
RAX: 1ffff92000652ec9 RBX: ffffc90003297648 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 000000000000000f RDI: ffffc900032975e0
RBP: ffffffff8be00230 R08: ffffffff901e39b7 R09: 1ffffffff203c736
R10: dffffc0000000000 R11: fffffbfff203c737 R12: 000000000000000f
R13: ffffffff8bdc1bb0 R14: ffffc900032975e0 R15: 000000000000000d
 stack_depot_save_flags+0x29/0x830 lib/stackdepot.c:609
 kasan_save_stack mm/kasan/common.c:48 [inline]
 kasan_save_track+0x51/0x80 mm/kasan/common.c:68
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:582
 poison_slab_object mm/kasan/common.c:247 [inline]
 __kasan_slab_free+0x59/0x70 mm/kasan/common.c:264
 kasan_slab_free include/linux/kasan.h:233 [inline]
 slab_free_hook mm/slub.c:2338 [inline]
 slab_free mm/slub.c:4598 [inline]
 kfree+0x196/0x420 mm/slub.c:4746
 f2fs_destroy_node_manager+0xad1/0xd20 fs/f2fs/node.c:3420
 f2fs_put_super+0xad9/0x1150 fs/f2fs/super.c:1665
 generic_shutdown_super+0x13b/0x2d0 fs/super.c:642
 kill_block_super+0x44/0x90 fs/super.c:1710
 kill_f2fs_super+0x344/0x690 fs/f2fs/super.c:4927
 deactivate_locked_super+0xc6/0x130 fs/super.c:473
 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373
 task_work_run+0x251/0x310 kernel/task_work.c:239
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff6aa981b37
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fff24d80688 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007ff6aa981b37
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff24d80740
RBP: 00007fff24d80740 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff24d817c0
R13: 00007ff6aa9f37dc R14: 000000000002531e R15: 00007fff24d81800
 </TASK>
rcu: rcu_preempt kthread starved for 10506 jiffies! g12185 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:25976 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2045
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2247
 kthread+0x2f2/0x390 kernel/kthread.c:389
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 6664 Comm: syz.5.194 Not tainted 6.12.0-syzkaller-09567-g7eef7e306d3c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline]
RIP: 0010:smp_call_function_many_cond+0x19f8/0x2ca0 kernel/smp.c:884
Code: 89 e6 83 e6 01 31 ff e8 36 ea 0b 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 e1 e5 0b 00 eb 38 f3 90 42 0f b6 04 23 <84> c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 c5 e5 0b 00 eb e4 44
RSP: 0018:ffffc9001e077880 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 1ffff110170e88c1 RCX: ffff88802abcbc00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9001e077a80 R08: ffffffff8189f72a R09: 1ffffffff2863f10
R10: dffffc0000000000 R11: fffffbfff2863f11 R12: dffffc0000000000
R13: ffff8880b8744608 R14: ffff8880b863f980 R15: 0000000000000001
FS:  000055555c7d2500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3ee549 CR3: 000000007ace6000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1051
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:2114 [inline]
 text_poke_bp_batch+0x352/0xb30 arch/x86/kernel/alternative.c:2324
 text_poke_flush arch/x86/kernel/alternative.c:2515 [inline]
 text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2522
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 static_key_disable_cpuslocked+0xd2/0x1c0 kernel/jump_label.c:240
 static_key_disable+0x1a/0x20 kernel/jump_label.c:248
 tracepoint_remove_func kernel/tracepoint.c:370 [inline]
 tracepoint_probe_unregister+0x83c/0xa10 kernel/tracepoint.c:504
 bpf_raw_tp_link_release+0x45/0x70 kernel/bpf/syscall.c:3610
 bpf_link_free+0xff/0x3a0 kernel/bpf/syscall.c:3132
 bpf_link_put_direct kernel/bpf/syscall.c:3175 [inline]
 bpf_link_release+0x78/0x90 kernel/bpf/syscall.c:3182
 __fput+0x23e/0xa50 fs/file_table.c:450
 task_work_run+0x251/0x310 kernel/task_work.c:239
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff0d9b80809
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe7f950308 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00000000000262fe RCX: 00007ff0d9b80809
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007ff0d9d47ba0 R08: 0000000000000001 R09: 00007ffe7f9505ef
R10: 00007ff0d9a00000 R11: 0000000000000246 R12: 000000000002633f
R13: 00007ff0d9d45fa0 R14: 0000000000000032 R15: ffffffffffffffff
 </TASK>