rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2676 jiffies s: 2253 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: 4453 Comm: syz.0.25 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:check_preemption_disabled+0x42/0x110 lib/smp_processor_id.c:55
Code: 65 8b 05 a1 2a d7 75 65 8b 0d 42 80 d7 75 f7 c1 ff ff ff 7f 74 1f 65 48 8b 0c 25 28 00 00 00 48 3b 4c 24 08 0f 85 c4 00 00 00 <48> 83 c4 10 5b 41 5e 41 5f 5d c3 48 c7 04 24 00 00 00 00 9c 8f 04
RSP: 0018:ffffc900001dfb88 EFLAGS: 00000046
RAX: 0000000000000001 RBX: ffffffff8c9f9a20 RCX: 4774144f5e321500
RDX: 0000000000000000 RSI: ffffffff8a9181c0 RDI: ffffffff8adee1a0
RBP: ffffc900001dfcb8 R08: 0000000000000001 R09: ffff8880b8f35600
R10: dffffc0000000000 R11: fffffbfff1c401ee R12: ffffffff8c9f99a0
R13: 1ffff9200003bf84 R14: ffff8880b8f35600 R15: 0000000000000000
FS:  00007f75c564d6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000280 CR3: 00000000560c2000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 trace_call_bpf+0x95/0x6b0 kernel/trace/bpf_trace.c:108
 perf_trace_run_bpf_submit+0x79/0x1c0 kernel/events/core.c:10027
 perf_trace_lock_acquire+0x342/0x3f0 include/trace/events/lock.h:24
 trace_lock_acquire include/trace/events/lock.h:24 [inline]
 lock_acquire+0x452/0x4a0 kernel/locking/lockdep.c:5633
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xb0/0x100 kernel/locking/spinlock.c:162
 hrtimer_interrupt+0xf4/0x980 kernel/time/hrtimer.c:1858
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1107 [inline]
 __sysvec_apic_timer_interrupt+0x153/0x5a0 arch/x86/kernel/apic/apic.c:1124
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0x4d/0xc0 arch/x86/kernel/apic/apic.c:1118
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:unwind_next_frame+0x70b/0x1fd0 arch/x86/kernel/unwind_orc.c:-1
Code: 12 00 00 4c 89 f2 48 c1 ea 03 0f b6 04 2a 84 c0 0f 85 8a 12 00 00 41 0f b6 45 01 83 e0 03 ff 24 c5 d0 86 89 8a 48 89 54 24 18 <4c> 89 74 24 50 4c 89 7c 24 08 4c 89 64 24 20 48 8d 7b 08 49 89 ff
RSP: 0018:ffffc900001e01f0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc900001e02e8 RCX: ffffffff8e2eb074
RDX: 1ffffffff1d3b4c7 RSI: ffffffff8e2eb070 RDI: 0000000000000001
RBP: dffffc0000000000 R08: 0000000000000007 R09: ffffc900001e0338
R10: dffffc0000000000 R11: fffff5200003c069 R12: ffffffff8e9da636
R13: ffffffff8e9da63a R14: ffffffff8e9da63b R15: 1ffffffff1d3b4c7
 __unwind_start+0x51a/0x650 arch/x86/kernel/unwind_orc.c:717
 unwind_start arch/x86/include/asm/unwind.h:64 [inline]
 arch_stack_walk+0xda/0x140 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0xa6/0xf0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
 ____kasan_kmalloc mm/kasan/common.c:375 [inline]
 __kasan_kmalloc+0x8e/0xa0 mm/kasan/common.c:384
 kmalloc include/linux/slab.h:563 [inline]
 kzalloc include/linux/slab.h:699 [inline]
 ref_tracker_alloc+0x14f/0x490 lib/ref_tracker.c:85
 __netdev_tracker_alloc include/linux/netdevice.h:4049 [inline]
 netdev_hold include/linux/netdevice.h:4078 [inline]
 dst_init+0xb1/0x400 net/core/dst.c:52
 dst_alloc+0x12a/0x160 net/core/dst.c:92
 ip6_dst_alloc net/ipv6/route.c:345 [inline]
 icmp6_dst_alloc+0x7c/0x490 net/ipv6/route.c:3312
 ndisc_send_skb+0x41b/0x1520 net/ipv6/ndisc.c:493
 addrconf_rs_timer+0x367/0x640 net/ipv6/addrconf.c:3979
 call_timer_fn+0x1ac/0x670 kernel/time/timer.c:1701
 expire_timers kernel/time/timer.c:1752 [inline]
 __run_timers+0x56c/0x810 kernel/time/timer.c:2023
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:2036
 handle_softirqs+0x291/0x910 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:__bpf_prog_run include/linux/filter.h:607 [inline]
RIP: 0010:bpf_prog_run include/linux/filter.h:614 [inline]
RIP: 0010:bpf_prog_run_array include/linux/bpf.h:1668 [inline]
RIP: 0010:trace_call_bpf+0x2f3/0x6b0 kernel/trace/bpf_trace.c:135
Code: 47 00 49 8b 46 f0 48 89 84 24 80 00 00 00 48 c7 c7 00 8c 91 8a be 4e 02 00 00 e8 98 9b ce ff 66 90 e8 41 55 f6 ff 4c 8d 63 30 <4c> 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74
RSP: 0018:ffffc900048eeac0 EFLAGS: 00000287
RAX: ffffffff818bcbcf RBX: ffffc9000385d000 RCX: 0000000000080000
RDX: ffffc9000c889000 RSI: 0000000000001b13 RDI: 0000000000001b14
RBP: ffffc900048eebb8 R08: dffffc0000000000 R09: 1ffffffff215e448
R10: dffffc0000000000 R11: fffffbfff215e449 R12: ffffc9000385d030
R13: ffff8880560c3d98 R14: ffff8880560c3da8 R15: 0000000000000001
 perf_trace_run_bpf_submit+0x79/0x1c0 kernel/events/core.c:10027
 perf_trace_lock_acquire+0x342/0x3f0 include/trace/events/lock.h:24
 trace_lock_acquire include/trace/events/lock.h:24 [inline]
 lock_acquire+0x452/0x4a0 kernel/locking/lockdep.c:5633
 __raw_spin_trylock include/linux/spinlock_api_smp.h:90 [inline]
 _raw_spin_trylock+0x43/0x70 kernel/locking/spinlock.c:138
 spin_trylock include/linux/spinlock.h:361 [inline]
 rmqueue_pcplist mm/page_alloc.c:3844 [inline]
 rmqueue mm/page_alloc.c:3900 [inline]
 get_page_from_freelist+0x4c5/0x2180 mm/page_alloc.c:4355
 __alloc_pages+0x1ec/0x4f0 mm/page_alloc.c:5658
 __alloc_pages_bulk+0x491/0x910 mm/page_alloc.c:5606
 vm_area_alloc_pages mm/vmalloc.c:2968 [inline]
 __vmalloc_area_node mm/vmalloc.c:3071 [inline]
 __vmalloc_node_range+0x706/0x1380 mm/vmalloc.c:3243
 __vmalloc_node mm/vmalloc.c:3308 [inline]
 vzalloc+0x75/0x80 mm/vmalloc.c:3381
 bpf_check+0x227/0x11000 kernel/bpf/verifier.c:15488
 bpf_prog_load+0x100e/0x1530 kernel/bpf/syscall.c:2651
 __sys_bpf+0x5b8/0x780 kernel/bpf/syscall.c:5031
 __do_sys_bpf kernel/bpf/syscall.c:5135 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5133 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5133
 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: 0033:0x7f75c479ce59
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:00007f75c564d028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f75c4a15fa0 RCX: 00007f75c479ce59
RDX: 0000000000000094 RSI: 0000200000000800 RDI: 0000000000000005
RBP: 00007f75c4832e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f75c4a16038 R14: 00007f75c4a15fa0 R15: 00007ffd06828238
 </TASK>