rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (0 ticks this GP) idle=45e4/1/0x4000000000000000 softirq=77130/77130 fqs=1
rcu: 	(detected by 1, t=10502 jiffies, g=84277, q=373 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 22669 Comm: syz.2.4211 Not tainted 6.12.0-rc3-syzkaller-00183-g6efbea77b390 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:mark_usage kernel/locking/lockdep.c:4599 [inline]
RIP: 0010:__lock_acquire+0x79f/0x3ce0 kernel/locking/lockdep.c:5156
Code: ff ff 4c 8b 6c 24 58 0f b6 5c 24 60 8b 6c 24 68 41 38 de 73 0d e8 51 69 22 03 85 c0 0f 85 c7 0a 00 00 85 ed 0f 84 57 01 00 00 <49> 8d 7d 21 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f
RSP: 0018:ffffc90000007b38 EFLAGS: 00000002
RAX: 0000000000000002 RBX: 0000000000000002 RCX: 0000000000000001
RDX: 0000000000000002 RSI: 0000000000000040 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffff888078650b08 R09: fffffbfff2dc53bc
R10: ffffffff96e29de7 R11: 0000000000000000 R12: ffff888078650b29
R13: ffff888078650b30 R14: 0000000000000002 R15: ffff888078650000
FS:  00007ff152f1e6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005645a5a50300 CR3: 000000005eb86000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire.part.0+0x11b/0x380 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+0xd8/0xc60 net/sched/sch_taprio.c:924
 __run_hrtimer kernel/time/hrtimer.c:1691 [inline]
 __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1755
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1817
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1026 [inline]
 __sysvec_apic_timer_interrupt+0x10f/0x450 arch/x86/kernel/apic/apic.c:1043
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline]
 sysvec_apic_timer_interrupt+0x9f/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:bytes_is_nonzero mm/kasan/generic.c:89 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:104 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x105/0x1a0 mm/kasan/generic.c:189
Code: 75 0a 45 3a 11 b8 01 00 00 00 7c 0b 44 89 c2 e8 b1 ea ff ff 83 f0 01 5b 5d 41 5c c3 cc cc cc cc 48 85 d2 74 4f 48 01 ea eb 09 <48> 83 c0 01 48 39 d0 74 41 80 38 00 74 f2 eb b2 41 bc 08 00 00 00
RSP: 0018:ffffc90003a76e68 EFLAGS: 00000246
RAX: fffffbfff20be951 RBX: fffffbfff20be952 RCX: ffffffff816aa589
RDX: fffffbfff20be952 RSI: 0000000000000008 RDI: ffffffff905f4a88
RBP: fffffbfff20be951 R08: 0000000000000000 R09: fffffbfff20be951
R10: ffffffff905f4a8f R11: 0000000000000000 R12: ffffffff8e1b8340
R13: 1ffff9200074edf4 R14: 000000000003dbcc R15: 0000000000000000
 instrument_atomic_read include/linux/instrumented.h:68 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 cpumask_test_cpu include/linux/cpumask.h:570 [inline]
 cpu_online include/linux/cpumask.h:1117 [inline]
 trace_lock_release include/trace/events/lock.h:69 [inline]
 lock_release+0xa9/0x6f0 kernel/locking/lockdep.c:5836
 rcu_lock_release include/linux/rcupdate.h:347 [inline]
 rcu_read_unlock include/linux/rcupdate.h:880 [inline]
 page_ext_put+0x43/0xd0 mm/page_ext.c:550
 __set_page_owner+0x147/0x560 mm/page_owner.c:328
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1545 [inline]
 get_page_from_freelist+0x101e/0x3070 mm/page_alloc.c:3457
 __alloc_pages_noprof+0x223/0x25a0 mm/page_alloc.c:4733
 alloc_pages_mpol_noprof+0x2c9/0x610 mm/mempolicy.c:2265
 folio_alloc_mpol_noprof+0x36/0xd0 mm/mempolicy.c:2283
 shmem_alloc_folio+0x135/0x160 mm/shmem.c:1774
 shmem_alloc_and_add_folio+0x48b/0xc00 mm/shmem.c:1813
 shmem_get_folio_gfp+0x689/0x1530 mm/shmem.c:2335
 shmem_fault+0x200/0xae0 mm/shmem.c:2536
 __do_fault+0x10a/0x490 mm/memory.c:4876
 do_read_fault mm/memory.c:5282 [inline]
 do_fault mm/memory.c:5416 [inline]
 do_pte_missing+0xea8/0x3e50 mm/memory.c:3965
 handle_pte_fault mm/memory.c:5751 [inline]
 __handle_mm_fault+0x100a/0x2a10 mm/memory.c:5894
 handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6062
 faultin_page mm/gup.c:1187 [inline]
 __get_user_pages+0x90f/0x3b90 mm/gup.c:1485
 populate_vma_page_range+0x27f/0x3a0 mm/gup.c:1923
 __mm_populate+0x1d6/0x380 mm/gup.c:2026
 mm_populate include/linux/mm.h:3371 [inline]
 vm_mmap_pgoff+0x293/0x360 mm/util.c:593
 ksys_mmap_pgoff+0x7d/0x5c0 mm/mmap.c:542
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:79 [inline]
 __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:79
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff15217dff9
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:00007ff152f1e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007ff152336058 RCX: 00007ff15217dff9
RDX: 0000000000000003 RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007ff1521f0296 R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007ff152336058 R15: 00007ffd93796c98
 </TASK>
rcu: rcu_preempt kthread starved for 10495 jiffies! g84277 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:28352 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5322 [inline]
 __schedule+0xef5/0x5750 kernel/sched/core.c:6682
 __schedule_loop kernel/sched/core.c:6759 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6774
 schedule_timeout+0x136/0x2a0 kernel/time/timer.c:2615
 rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2045
 rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2247
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 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: 1 UID: 0 PID: 22728 Comm: syz.3.4216 Not tainted 6.12.0-rc3-syzkaller-00183-g6efbea77b390 #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+0x458/0x1300 kernel/smp.c:884
Code: 0c 00 85 ed 74 4d 48 b8 00 00 00 00 00 fc ff df 4d 89 f4 4c 89 f5 49 c1 ec 03 83 e5 07 49 01 c4 83 c5 03 e8 6a 1b 0c 00 f3 90 <41> 0f b6 04 24 40 38 c5 7c 08 84 c0 0f 85 a4 0c 00 00 8b 43 08 31
RSP: 0018:ffffc90003f475b0 EFLAGS: 00000246
RAX: 0000000000040000 RBX: ffff8880b8646b80 RCX: ffffc900094db000
RDX: 0000000000040000 RSI: ffffffff818167f6 RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffed10170c8d71
R13: 0000000000000001 R14: ffff8880b8646b88 R15: ffff8880b8740100
FS:  00007fdd8d14b6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3241fffc CR3: 000000006bbaa000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 on_each_cpu_cond_mask+0x40/0x90 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+0x22b/0x760 arch/x86/kernel/alternative.c:2295
 text_poke_bp+0xa3/0xd0 arch/x86/kernel/alternative.c:2522
 __static_call_transform+0x34d/0x770 arch/x86/kernel/static_call.c:111
 arch_static_call_transform+0x5d/0xb0 arch/x86/kernel/static_call.c:163
 __static_call_update+0xee/0x660 kernel/static_call_inline.c:147
 tracepoint_update_call kernel/tracepoint.c:317 [inline]
 tracepoint_add_func+0xa14/0xe50 kernel/tracepoint.c:358
 tracepoint_probe_register_prio_may_exist+0xbd/0x110 kernel/tracepoint.c:482
 tracepoint_probe_register_may_exist include/linux/tracepoint.h:51 [inline]
 bpf_probe_register+0x189/0x200 kernel/trace/bpf_trace.c:2386
 bpf_raw_tp_link_attach+0x245/0x540 kernel/bpf/syscall.c:3830
 bpf_raw_tracepoint_open kernel/bpf/syscall.c:3861 [inline]
 __sys_bpf+0x3a4/0x49a0 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+0x78/0xc0 kernel/bpf/syscall.c:5739
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdd8c37dff9
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:00007fdd8d14b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fdd8c535f80 RCX: 00007fdd8c37dff9
RDX: 0000000000000010 RSI: 0000000020000100 RDI: 0000000000000011
RBP: 00007fdd8c3f0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fdd8c535f80 R15: 00007ffe35db9db8
 </TASK>