rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (1 GPs behind) idle=c4b4/1/0x4000000000000000 softirq=38458/38462 fqs=6
rcu: 	(detected by 0, t=10505 jiffies, g=34681, q=1138 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 7339 Comm: syz-executor Not tainted 6.12.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__lock_acquire+0x13f/0x2050 kernel/locking/lockdep.c:5103
Code: 48 89 44 24 38 0f b6 04 30 84 c0 0f 85 f5 15 00 00 8b 55 00 48 c7 c0 40 c9 3c 9a 48 c1 e8 03 0f b6 04 30 84 c0 48 89 54 24 28 <0f> 85 fd 15 00 00 83 3d 44 7d cc 18 00 75 09 83 fa 30 0f 83 07 14
RSP: 0018:ffffc90000a18a30 EFLAGS: 00000002
RAX: 0000000000000004 RBX: ffffffff93cdfdf8 RCX: 0000000000000001
RDX: 0000000000000001 RSI: dffffc0000000000 RDI: ffff8880613a4300
RBP: ffff88802ce5e4d8 R08: 0000000000000001 R09: 0000000000000001
R10: dffffc0000000000 R11: fffffbfff2039cc6 R12: ffff88802ce5da00
R13: 0000000000000001 R14: 0000000000000000 R15: ffff8880613a4300
FS:  000055556a408500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32b1dff8 CR3: 000000007bc7a000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 advance_sched+0xab/0xca0 net/sched/sch_taprio.c:924
 __run_hrtimer kernel/time/hrtimer.c:1691 [inline]
 __hrtimer_run_queues+0x59d/0xd50 kernel/time/hrtimer.c:1755
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1817
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1026 [inline]
 __sysvec_apic_timer_interrupt+0x112/0x3f0 arch/x86/kernel/apic/apic.c:1043
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1037
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:preempt_count_sub+0x32/0x170 kernel/sched/core.c:5810
Code: fb 48 c7 c0 40 c9 3c 9a 48 c1 e8 03 49 be 00 00 00 00 00 fc ff df 42 0f b6 04 30 84 c0 0f 85 d0 00 00 00 83 3d 3e 95 d9 18 00 <75> 22 65 8b 05 bd a3 a0 7e 89 c1 81 e1 ff ff ff 7f 39 d9 7c 27 81
RSP: 0018:ffffc9000451f378 EFLAGS: 00000246
RAX: 0000000000000004 RBX: 0000000000000001 RCX: ffffffff9a3cc903
RDX: dffffc0000000000 RSI: ffffc90004518000 RDI: 0000000000000001
RBP: ffffc9000451f460 R08: ffffc9000451fc50 R09: ffffc9000451f4b0
R10: dffffc0000000000 R11: fffff520008a3e98 R12: dffffc0000000000
R13: ffffc9000451f460 R14: dffffc0000000000 R15: ffffc9000451fc60
 unwind_next_frame+0x18e6/0x22d0 arch/x86/kernel/unwind_orc.c:672
 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579
 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:230 [inline]
 slab_free_hook mm/slub.c:2343 [inline]
 slab_free mm/slub.c:4580 [inline]
 kmem_cache_free+0x1a2/0x420 mm/slub.c:4682
 f2fs_destroy_node_manager+0x329/0xd20 fs/f2fs/node.c:3373
 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:1696
 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:228
 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:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ffb52b7f327
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:00007ffd153d3cc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007ffb52b7f327
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd153d3d80
RBP: 00007ffd153d3d80 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd153d4e00
R13: 00007ffb52bf0134 R14: 0000000000042f4a R15: 00007ffd153d4e40
 </TASK>
rcu: rcu_preempt kthread starved for 10475 jiffies! g34681 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:25888 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5315 [inline]
 __schedule+0x1895/0x4b30 kernel/sched/core.c:6675
 __schedule_loop kernel/sched/core.c:6752 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6767
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2615
 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: 11103 Comm: syz.3.2019 Not tainted 6.12.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__sanitizer_cov_trace_pc+0x46/0x70 kernel/kcov.c:222
Code: ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 1c 16 00 00 00 74 2c 8b 91 f8 15 00 00 83 fa 02 75 21 48 8b 91 00 16 00 00 48 8b 32 <48> 8d 7e 01 8b 89 fc 15 00 00 48 39 cf 73 08 48 89 3a 48 89 44 f2
RSP: 0018:ffffc90019c573d8 EFLAGS: 00000246
RAX: ffffffff8188e6db RBX: 1ffff110170e8919 RCX: ffff88802c520000
RDX: ffffc90009ada000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc90019c575e0 R08: ffffffff8188e6aa R09: 1ffffffff2858b00
R10: dffffc0000000000 R11: fffffbfff2858b01 R12: dffffc0000000000
R13: ffff8880b87448c8 R14: ffff8880b863fc80 R15: 0000000000000001
FS:  00007f35ce5206c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3291cff8 CR3: 000000005614e000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 csd_lock_wait kernel/smp.c:340 [inline]
 smp_call_function_many_cond+0x1a0b/0x2ca0 kernel/smp.c:884
 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:2085 [inline]
 text_poke_bp_batch+0x352/0xb30 arch/x86/kernel/alternative.c:2295
 text_poke_bp+0xb0/0x100 arch/x86/kernel/alternative.c:2522
 __static_call_transform+0x51a/0x810 arch/x86/kernel/static_call.c:111
 arch_static_call_transform+0x141/0x380 arch/x86/kernel/static_call.c:163
 __static_call_update+0xd8/0x5e0 kernel/static_call_inline.c:147
 tracepoint_update_call kernel/tracepoint.c:317 [inline]
 tracepoint_add_func+0x918/0x9e0 kernel/tracepoint.c:358
 tracepoint_probe_register_prio_may_exist+0x122/0x190 kernel/tracepoint.c:482
 bpf_raw_tp_link_attach+0x48b/0x6e0 kernel/bpf/syscall.c:3830
 bpf_raw_tracepoint_open+0x177/0x1f0 kernel/bpf/syscall.c:3861
 __sys_bpf+0x3c0/0x810 kernel/bpf/syscall.c:5676
 __do_sys_bpf kernel/bpf/syscall.c:5741 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5739 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5739
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f35cd77dff9
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:00007f35ce520038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f35cd935f80 RCX: 00007f35cd77dff9
RDX: 0000000000000010 RSI: 00000000200009c0 RDI: 0000000000000011
RBP: 00007f35cd7f0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f35cd935f80 R15: 00007fffe6eb50d8
 </TASK>
vkms_vblank_simulate: vblank timer overrun