rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-...!: (3918 ticks this GP) idle=52d/1/0x4000000000000000 softirq=105184/105185 fqs=2 
	(t=10500 jiffies g=152093 q=1114)
rcu: rcu_preempt kthread starved for 10496 jiffies! g152093 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:26232 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5027 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6373
 schedule+0x11b/0x1f0 kernel/sched/core.c:6456
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1914
 rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972
 rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 18469 Comm: syz.2.4021 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:perf_fetch_caller_regs include/linux/perf_event.h:1188 [inline]
RIP: 0010:perf_trace_lock_acquire+0x29f/0x4a0 include/trace/events/lock.h:13
Code: 28 74 05 e8 b3 d3 67 00 41 c1 e5 10 48 c7 83 88 00 00 00 10 00 00 00 48 81 c3 90 00 00 00 48 89 d8 48 c1 e8 03 42 80 3c 38 00 <74> 08 48 89 df e8 87 d3 67 00 41 81 c5 18 00 01 00 48 c7 03 00 00
RSP: 0018:ffffc90000006920 EFLAGS: 00000046
RAX: 1ffff11017206a56 RBX: ffff8880b90352b0 RCX: ffff88801c0b5940
RDX: 0000000000010100 RSI: 0000000000000000 RDI: ffff8880b90352a8
RBP: ffffc90000006a40 R08: ffffffff81888c17 R09: 0000000000000001
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffe8ffffcf4000
R13: 0000000000140000 R14: 0000000000000034 R15: dffffc0000000000
FS:  00007f24eb4746c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 000000006360b000 CR4: 00000000003506f0
DR0: 0000000020000300 DR1: 0000000000000000 DR2: 0000000020000300
DR3: 0000000020000300 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 trace_lock_acquire include/trace/events/lock.h:13 [inline]
 lock_acquire+0x4c6/0x4f0 kernel/locking/lockdep.c:5594
 seqcount_lockdep_reader_access+0xf8/0x220 include/linux/seqlock.h:103
 timekeeping_get_delta kernel/time/timekeeping.c:254 [inline]
 timekeeping_get_ns kernel/time/timekeeping.c:388 [inline]
 ktime_get_update_offsets_now+0x89/0x420 kernel/time/timekeeping.c:2303
 hrtimer_update_base kernel/time/hrtimer.c:631 [inline]
 hrtimer_interrupt+0x12f/0x980 kernel/time/hrtimer.c:1796
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:unwind_next_frame+0x41b/0x1fa0 arch/x86/kernel/unwind_orc.c:461
Code: 0f b6 04 10 84 c0 0f 85 c5 14 00 00 c6 03 01 49 c7 c6 20 96 88 8a 49 8d 6e 04 49 8d 5e 05 49 89 ec 49 c1 ec 03 41 0f b6 04 14 <84> c0 0f 85 33 14 00 00 48 89 d8 48 c1 e8 03 0f b6 04 10 84 c0 0f
RSP: 0018:ffffc90000006ee8 EFLAGS: 00000a06
RAX: 0000000000000000 RBX: ffffffff8edac20b RCX: ffffffff8e496d64
RDX: dffffc0000000000 RSI: ffffffff8edac206 RDI: ffffffff8e496d60
RBP: ffffffff8edac20a R08: 0000000000000003 R09: ffffc90000007090
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff1db5841
R13: ffffffff88f05e7f R14: ffffffff8edac206 R15: ffffc90000006fa0
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4b/0x80 mm/kasan/common.c:46
 kasan_set_free_info+0x1f/0x40 mm/kasan/generic.c:360
 ____kasan_slab_free+0xd8/0x120 mm/kasan/common.c:366
 kasan_slab_free include/linux/kasan.h:230 [inline]
 slab_free_hook mm/slub.c:1705 [inline]
 slab_free_freelist_hook+0xdd/0x160 mm/slub.c:1731
 slab_free mm/slub.c:3499 [inline]
 kfree+0xf1/0x270 mm/slub.c:4559
 skb_free_head net/core/skbuff.c:655 [inline]
 skb_release_data+0x73a/0x8a0 net/core/skbuff.c:677
 skb_release_all net/core/skbuff.c:742 [inline]
 __kfree_skb net/core/skbuff.c:756 [inline]
 consume_skb+0xa3/0x140 net/core/skbuff.c:914
 netlink_broadcast_filtered+0x1083/0x11a0 net/netlink/af_netlink.c:1536
 netlink_broadcast net/netlink/af_netlink.c:1558 [inline]
 nlmsg_multicast include/net/netlink.h:1033 [inline]
 nlmsg_notify+0xf7/0x1b0 net/netlink/af_netlink.c:2546
 neigh_cleanup_and_release+0xa5/0x260 net/core/neighbour.c:101
 neigh_del net/core/neighbour.c:197 [inline]
 neigh_remove_one+0x4b1/0x5c0 net/core/neighbour.c:218
 neigh_forced_gc net/core/neighbour.c:251 [inline]
 neigh_alloc net/core/neighbour.c:429 [inline]
 ___neigh_create+0x45a/0x2220 net/core/neighbour.c:591
 ip6_finish_output2+0x11c5/0x15a0 net/ipv6/ip6_output.c:127
 dst_output include/net/dst.h:443 [inline]
 NF_HOOK include/linux/netfilter.h:302 [inline]
 ndisc_send_skb+0xae0/0x13c0 net/ipv6/ndisc.c:511
 addrconf_rs_timer+0x357/0x610 net/ipv6/addrconf.c:3959
 call_timer_fn+0x16d/0x560 kernel/time/timer.c:1451
 expire_timers kernel/time/timer.c:1496 [inline]
 __run_timers+0x67c/0x890 kernel/time/timer.c:1767
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780
 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
 __do_softirq kernel/softirq.c:592 [inline]
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:perf_trace_lock_acquire+0x1d/0x4a0 include/trace/events/lock.h:13
Code: 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec e0 00 00 00 44 89 44 24 14 <89> 4c 24 10 49 89 f6 49 89 fd 65 48 8b 04 25 28 00 00 00 48 89 84
RSP: 0018:ffffc900020b6840 EFLAGS: 00000282
RAX: 1ffff1100f983e13 RBX: ffff88807cc1f098 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8c91fc60 RDI: ffffffff8c7eea60
RBP: ffffc900020b6960 R08: 0000000000000002 R09: 0000000000000000
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000416d38
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
 trace_lock_acquire include/trace/events/lock.h:13 [inline]
 lock_acquire+0x4c6/0x4f0 kernel/locking/lockdep.c:5594
 rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:312
 rcu_read_lock include/linux/rcupdate.h:739 [inline]
 BPF_PROG_RUN_ARRAY include/linux/bpf.h:1333 [inline]
 trace_call_bpf+0x146/0x660 kernel/trace/bpf_trace.c:127
 perf_trace_run_bpf_submit+0x7b/0x1d0 kernel/events/core.c:9987
 perf_trace_lock_acquire+0x3bf/0x4a0 include/trace/events/lock.h:13
 trace_lock_acquire include/trace/events/lock.h:13 [inline]
 lock_acquire+0x4c6/0x4f0 kernel/locking/lockdep.c:5594
 fs_reclaim_acquire+0xa7/0x120 mm/page_alloc.c:4564
 might_alloc include/linux/sched/mm.h:206 [inline]
 slab_pre_alloc_hook+0x22/0xc0 mm/slab.h:492
 slab_alloc_node mm/slub.c:3134 [inline]
 slab_alloc mm/slub.c:3228 [inline]
 kmem_cache_alloc+0x3f/0x280 mm/slub.c:3233
 kmem_cache_zalloc include/linux/slab.h:711 [inline]
 __kernfs_new_node+0xdb/0x750 fs/kernfs/dir.c:593
 kernfs_new_node+0x136/0x230 fs/kernfs/dir.c:669
 __kernfs_create_file+0x45/0x2e0 fs/kernfs/file.c:985
 sysfs_add_file_mode_ns+0x308/0x3e0 fs/sysfs/file.c:317
 create_files fs/sysfs/group.c:64 [inline]
 internal_create_group+0x573/0xf00 fs/sysfs/group.c:149
 internal_create_groups fs/sysfs/group.c:189 [inline]
 sysfs_create_groups+0x52/0x110 fs/sysfs/group.c:215
 device_add_groups drivers/base/core.c:2494 [inline]
 device_add_attrs+0x13c/0x470 drivers/base/core.c:2653
 device_add+0x63e/0xfd0 drivers/base/core.c:3366
 netdev_register_kobject+0x176/0x310 net/core/net-sysfs.c:2014
 register_netdevice+0x108c/0x1720 net/core/dev.c:10357
 __ip_tunnel_create+0x2b0/0x370 net/ipv4/ip_tunnel.c:267
 ip_tunnel_init_net+0x21f/0x700 net/ipv4/ip_tunnel.c:1097
 vti_init_net+0x2a/0xf0 net/ipv4/ip_vti.c:504
 ops_init+0x35d/0x610 net/core/net_namespace.c:138
 setup_net+0x358/0x9e0 net/core/net_namespace.c:332
 copy_net_ns+0x392/0x5d0 net/core/net_namespace.c:476
 create_new_namespaces+0x425/0x7a0 kernel/nsproxy.c:110
 copy_namespaces+0x365/0x3b0 kernel/nsproxy.c:178
 copy_process+0x1841/0x3ef0 kernel/fork.c:2209
 kernel_clone+0x210/0x960 kernel/fork.c:2604
 __do_sys_clone kernel/fork.c:2721 [inline]
 __se_sys_clone kernel/fork.c:2705 [inline]
 __x64_sys_clone+0x23f/0x290 kernel/fork.c:2705
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f24ecffbff9
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:00007f24eb473fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f24ed1b3f80 RCX: 00007f24ecffbff9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000042164000
RBP: 00007f24ed06e296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f24ed1b3f80 R15: 00007ffc5baffd38
 </TASK>
NMI backtrace for cpu 1
CPU: 1 PID: 18488 Comm: syz.1.4025 Not tainted 5.15.167-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
 rcu_dump_cpu_stacks+0x223/0x390 kernel/rcu/tree_stall.h:349
 print_cpu_stall+0x320/0x600 kernel/rcu/tree_stall.h:633
 check_cpu_stall kernel/rcu/tree_stall.h:727 [inline]
 rcu_pending kernel/rcu/tree.c:3932 [inline]
 rcu_sched_clock_irq+0x8d9/0x1150 kernel/rcu/tree.c:2619
 update_process_times+0x196/0x200 kernel/time/timer.c:1818
 tick_sched_handle kernel/time/tick-sched.c:254 [inline]
 tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:bpf_tree_comp kernel/bpf/core.c:606 [inline]
RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline]
RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline]
RIP: 0010:bpf_ksym_find kernel/bpf/core.c:688 [inline]
RIP: 0010:is_bpf_text_address+0x109/0x260 kernel/bpf/core.c:722
Code: 03 4c 8d 6c 6d 00 49 f7 dd 4e 8d bc 2b 60 ff ff ff 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ff e8 8a 27 3d 00 4d 8b 3f <4c> 89 ff 4c 89 f6 e8 3c 5f f3 ff 4d 39 f7 76 0b e8 52 5d f3 ff 48
RSP: 0018:ffffc90000dd0380 EFLAGS: 00000246
RAX: 1ffff1100e65af29 RBX: ffff8880732d79e8 RCX: ffff888021845940
RDX: 0000000000000100 RSI: 00007faf056e2ff9 RDI: ffffffffa002cd44
RBP: 0000000000000000 R08: ffffffff818cfd14 R09: fffffbfff20e2419
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000000 R14: 00007faf056e2ff9 R15: ffffffffa0018eac
 kernel_text_address kernel/extable.c:151 [inline]
 __kernel_text_address+0x94/0x100 kernel/extable.c:105
 unwind_get_return_address+0x49/0x80 arch/x86/kernel/unwind_orc.c:323
 arch_stack_walk+0xf3/0x140 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:46 [inline]
 set_alloc_info mm/kasan/common.c:434 [inline]
 __kasan_slab_alloc+0x8e/0xc0 mm/kasan/common.c:467
 kasan_slab_alloc include/linux/kasan.h:254 [inline]
 slab_post_alloc_hook+0x53/0x380 mm/slab.h:519
 slab_alloc_node mm/slub.c:3220 [inline]
 kmem_cache_alloc_node+0x121/0x2c0 mm/slub.c:3256
 __alloc_skb+0xdd/0x590 net/core/skbuff.c:415
 skb_copy+0x127/0x820 net/core/skbuff.c:1595
 mac80211_hwsim_tx_frame_no_nl+0xe37/0x1840 drivers/net/wireless/mac80211_hwsim.c:1569
 mac80211_hwsim_tx_frame+0x1cc/0x220 drivers/net/wireless/mac80211_hwsim.c:1788
 mac80211_hwsim_beacon_tx+0x48f/0x8a0 drivers/net/wireless/mac80211_hwsim.c:1842
 __iterate_interfaces+0x21e/0x4b0 net/mac80211/util.c:793
 ieee80211_iterate_active_interfaces_atomic+0xaf/0x140 net/mac80211/util.c:829
 mac80211_hwsim_beacon+0xa7/0x180 drivers/net/wireless/mac80211_hwsim.c:1865
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1752
 hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1769
 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
 __do_softirq kernel/softirq.c:592 [inline]
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:bpf_prog_abe3471d98b428a0+0x5/0x154
Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <66> 90 55 48 89 e5 e8 34 d7 94 e1 48 85 c0 77 00 c9 c3 cc cc cc cc
RSP: 0018:ffffc90003207198 EFLAGS: 00000246
RAX: 1ffff9200026b406 RBX: ffffc9000135a048 RCX: 1ffffffff1ecee08
RDX: 1ffffffff1ecee08 RSI: ffffc9000135a048 RDI: ffffe8ffffdce000
RBP: ffffc900032072b8 R08: ffffffff8f677040 R09: ffffffff8f677048
R10: ffffffff8f677058 R11: ffffffff8f677050 R12: dffffc0000000000
R13: 0000000000000001 R14: ffffc9000135a000 R15: ffff88807d44a6a8
 perf_trace_run_bpf_submit+0x7b/0x1d0 kernel/events/core.c:9987
 perf_trace_lock_acquire+0x3bf/0x4a0 include/trace/events/lock.h:13
 trace_lock_acquire include/trace/events/lock.h:13 [inline]
 lock_acquire+0x4c6/0x4f0 kernel/locking/lockdep.c:5594
 _raw_spin_lock_nested+0x2d/0x40 kernel/locking/spinlock.c:368
 copy_pte_range mm/memory.c:1028 [inline]
 copy_pmd_range mm/memory.c:1156 [inline]
 copy_pud_range mm/memory.c:1193 [inline]
 copy_p4d_range mm/memory.c:1217 [inline]
 copy_page_range+0x10bd/0x43b0 mm/memory.c:1290
 dup_mmap kernel/fork.c:614 [inline]
 dup_mm kernel/fork.c:1465 [inline]
 copy_mm+0xc64/0x1370 kernel/fork.c:1517
 copy_process+0x1816/0x3ef0 kernel/fork.c:2206
 kernel_clone+0x210/0x960 kernel/fork.c:2604
 __do_sys_clone kernel/fork.c:2721 [inline]
 __se_sys_clone kernel/fork.c:2705 [inline]
 __x64_sys_clone+0x23f/0x290 kernel/fork.c:2705
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7faf056e2ff9
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:00007faf03b5afe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007faf0589af80 RCX: 00007faf056e2ff9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000042164000
RBP: 00007faf05755296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 00007faf0589af80 R15: 00007ffe8ff995a8
 </TASK>