rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2691 jiffies s: 8297 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5978 Comm: syz.2.582 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:preempt_count_add+0x66/0x190 kernel/sched/core.c:5714
Code: a9 7e 48 c7 c0 40 01 c0 96 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 e6 00 00 00 83 3d 83 16 67 15 00 75 11 65 8b 05 82 84 a9 7e <0f> b6 c0 3d f5 00 00 00 73 58 65 8b 05 71 84 a9 7e 25 ff ff ff 7f
RSP: 0018:ffffc900001e0730 EFLAGS: 00000046
RAX: 0000000000000102 RBX: ffff88802cd70438 RCX: ffffffff96c00103
RDX: 0000000000000100 RSI: 0000000000000001 RDI: 0000000000000001
RBP: 1ffff110059ae087 R08: ffffffff8fa0e048 R09: ffffffff8fa0e058
R10: ffffffff8fa0e050 R11: ffffffff8fa0e043 R12: 0000000000120000
R13: dffffc0000000000 R14: ffff88802cd70000 R15: dffffc0000000000
FS:  00007fb15de8e6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fed9a24edd5 CR3: 000000001cf30000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 migrate_enable+0x86/0x220 kernel/sched/core.c:2247
 bpf_prog_run_array include/linux/bpf.h:1672 [inline]
 trace_call_bpf+0x4b1/0x6b0 kernel/trace/bpf_trace.c:135
 perf_trace_run_bpf_submit+0x79/0x1c0 kernel/events/core.c:10027
 perf_trace_preemptirq_template+0x268/0x320 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0xd3/0x140 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x24/0x40 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:728
RIP: 0010:rcu_read_unlock_special+0x7f/0x510 kernel/rcu/tree_plugin.h:685
Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 d2 33 95 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc900001e0ac0 EFLAGS: 00000206
RAX: 78c48c7ad5073300 RBX: 1ffff9200003c160 RCX: 78c48c7ad5073300
RDX: dffffc0000000000 RSI: ffffffff8a8c1120 RDI: ffffffff8adf13a0
RBP: ffffc900001e0bb0 R08: ffffffff90af924f R09: 1ffffffff215f249
R10: dffffc0000000000 R11: fffffbfff215f24a R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8f3b900 R15: 0000000000000002
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 ieee80211_iterate_active_interfaces_atomic+0x156/0x170 net/mac80211/util.c:826
 mac80211_hwsim_beacon+0xb7/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2147
 __run_hrtimer kernel/time/hrtimer.c:1747 [inline]
 __hrtimer_run_queues+0x54a/0xd50 kernel/time/hrtimer.c:1811
 hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1828
 handle_softirqs+0x2a1/0x930 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:check_region_inline mm/kasan/generic.c:172 [inline]
RIP: 0010:kasan_check_range+0x16/0x290 mm/kasan/generic.c:189
Code: 0f 0b b8 ea ff ff ff c3 00 00 cc cc 00 00 cc cc 00 00 cc cc b0 01 48 85 f6 0f 84 ac 01 00 00 55 41 57 41 56 41 54 53 49 89 f8 <49> 01 f0 0f 82 0e 02 00 00 49 89 f8 49 c1 e8 2f 41 81 f8 ff ff 01
RSP: 0018:ffffc900033b7090 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff8164c000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8e1ff428
RBP: ffffc900033b71d8 R08: ffffffff8e1ff428 R09: 1ffffffff1c3fe85
R10: dffffc0000000000 R11: fffffbfff1c3fe86 R12: 1ffff92000676e24
R13: dffffc0000000000 R14: 0000000000000001 R15: 1ffff92000676e24
 instrument_atomic_read include/linux/instrumented.h:72 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 cpumask_test_cpu include/linux/cpumask.h:444 [inline]
 cpu_online include/linux/cpumask.h:1030 [inline]
 trace_lock_release include/trace/events/lock.h:69 [inline]
 lock_release+0xc0/0x920 kernel/locking/lockdep.c:5673
 rcu_lock_release include/linux/rcupdate.h:355 [inline]
 rcu_read_unlock include/linux/rcupdate.h:824 [inline]
 get_mem_cgroup_from_objcg+0x13c/0x150 include/linux/memcontrol.h:525
 obj_cgroup_charge_pages mm/memcontrol.c:3097 [inline]
 obj_cgroup_charge+0x358/0x620 mm/memcontrol.c:3390
 memcg_slab_pre_alloc_hook mm/slab.h:501 [inline]
 slab_pre_alloc_hook+0x2e7/0x310 mm/slab.h:715
 slab_alloc_node mm/slub.c:3279 [inline]
 __kmem_cache_alloc_node+0x4f/0x260 mm/slub.c:3398
 __do_kmalloc_node mm/slab_common.c:935 [inline]
 __kmalloc+0xa0/0x240 mm/slab_common.c:949
 kmalloc include/linux/slab.h:568 [inline]
 kzalloc include/linux/slab.h:699 [inline]
 __register_sysctl_table+0xef/0xe70 fs/proc/proc_sysctl.c:1345
 mpls_dev_sysctl_register+0x1fe/0x2f0 net/mpls/af_mpls.c:1421
 mpls_add_dev net/mpls/af_mpls.c:1476 [inline]
 mpls_dev_notify+0x24e/0x760 net/mpls/af_mpls.c:1616
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xcb/0x160 kernel/notifier.c:455
 call_netdevice_notifiers_extack net/core/dev.c:2052 [inline]
 call_netdevice_notifiers net/core/dev.c:2066 [inline]
 register_netdevice+0x163f/0x1b10 net/core/dev.c:10276
 register_netdev+0x37/0x50 net/core/dev.c:10371
 ip6gre_init_net+0x263/0x360 net/ipv6/ip6_gre.c:1655
 ops_init+0x355/0x5f0 net/core/net_namespace.c:138
 setup_net+0x4f2/0xbd0 net/core/net_namespace.c:336
 copy_net_ns+0x348/0x5b0 net/core/net_namespace.c:508
 create_new_namespaces+0x3d3/0x6f0 kernel/nsproxy.c:110
 copy_namespaces+0x3b0/0x410 kernel/nsproxy.c:178
 copy_process+0x19c2/0x4030 kernel/fork.c:2359
 kernel_clone+0x24b/0x900 kernel/fork.c:2762
 __do_sys_clone kernel/fork.c:2903 [inline]
 __se_sys_clone kernel/fork.c:2887 [inline]
 __x64_sys_clone+0x1a7/0x220 kernel/fork.c:2887
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fb15cf9c819
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb15de8dfd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fb15d215fa0 RCX: 00007fb15cf9c819
RDX: 0000000000000000 RSI: fffffffffffffd50 RDI: 00000000410a4400
RBP: 00007fb15d032c91 R08: ffffffffffffffff R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007fb15d216038 R14: 00007fb15d215fa0 R15: 00007fffb2e2e708
 </TASK>