rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2971 jiffies s: 4893 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4694 Comm: syz.6.61 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:trace_call_bpf+0xa2/0x6b0 kernel/trace/bpf_trace.c:108
Code: c7 a0 81 91 8a be 6a 00 00 00 31 d2 e8 d7 9b ce ff 48 c7 c7 c0 81 91 8a e8 7b 26 9f 08 bb 01 00 00 00 65 0f c1 1d 9e 77 77 7e <31> ff 89 de e8 e5 5a f6 ff 85 db 0f 85 d5 05 00 00 e8 38 21 e1 ff
RSP: 0018:ffffc90000007100 EFLAGS: 00000002
RAX: 0000000000000000 RBX: 0000000000000001 RCX: affb01f03d827200
RDX: 0000000000000000 RSI: ffffffff8a9181c0 RDI: ffffffff8adee1a0
RBP: ffffc900000071f8 R08: 0000000000000001 R09: ffff8880b8e35600
R10: dffffc0000000000 R11: fffffbfff1c401ee R12: ffffffff8c9f99a0
R13: 1ffff92000000e2c R14: ffff8880b8e35600 R15: 0000000000000000
FS:  00007fca4f0ad6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f16159277e8 CR3: 000000007895b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 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
 seqcount_lockdep_reader_access+0xcd/0x1d0 include/linux/seqlock.h:102
 ktime_get_update_offsets_now+0x44/0x3e0 kernel/time/timekeeping.c:2317
 hrtimer_update_base kernel/time/hrtimer.c:652 [inline]
 hrtimer_interrupt+0x11a/0x980 kernel/time/hrtimer.c:1859
 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:perf_trace_buf_alloc+0x54/0x300 kernel/trace/trace_event_perf.c:414
Code: 7c 19 80 3d 36 6c 81 0c 01 0f 85 cd 01 00 00 e8 92 eb f7 ff 31 c0 e9 b2 01 00 00 49 bd 00 00 00 00 00 fc ff df e8 4c 01 1b 00 <89> c5 4c 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 c1 01 00 00
RSP: 0018:ffffc900000077c0 EFLAGS: 00000246
RAX: 0000000000000001 RBX: 000000000000002c RCX: ffff88802bfa1e00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007900 R08: 0000000000000002 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1c401ee R12: ffffffff8c9f99a0
R13: dffffc0000000000 R14: ffffc90000007860 R15: ffffc90000007880
 perf_trace_lock_acquire+0x1a6/0x3f0 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
 rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
 rcu_read_lock include/linux/rcupdate.h:791 [inline]
 ipv6_get_lladdr+0x43/0x3e0 net/ipv6/addrconf.c:1889
 addrconf_rs_timer+0x25f/0x640 net/ipv6/addrconf.c:3978
 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:lock_release+0x5ab/0x920 kernel/locking/lockdep.c:5686
Code: 00 00 00 f7 84 24 80 00 00 00 00 02 00 00 43 c6 44 2f 04 f8 75 70 f7 44 24 50 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 2f 00 00 00 00 43 c7 44 2f 08 00 00 00 00 65 48 8b 04 25
RSP: 0018:ffffc9000457f4c0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: ffffffffffffffff RCX: affb01f03d827200
RDX: 0000000000000000 RSI: ffffffff8a8c2920 RDI: ffffffff8adee1a0
RBP: ffffc9000457f5d0 R08: ffffffff8e200f6f R09: 1ffffffff1c401ed
R10: dffffc0000000000 R11: fffffbfff1c401ee R12: ffff88802bfa28e0
R13: dffffc0000000000 R14: ffff88802bfa28d0 R15: 1ffff920008afea4
 rcu_lock_release include/linux/rcupdate.h:355 [inline]
 rcu_read_unlock include/linux/rcupdate.h:824 [inline]
 trace_call_bpf+0x5ca/0x6b0 kernel/trace/bpf_trace.c:137
 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
 rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
 rcu_read_lock include/linux/rcupdate.h:791 [inline]
 get_obj_cgroup_from_current mm/memcontrol.c:3019 [inline]
 __memcg_kmem_charge_page+0x104/0x380 mm/memcontrol.c:3123
 __alloc_pages+0x21e/0x4f0 mm/page_alloc.c:5675
 __alloc_pages_node include/linux/gfp.h:237 [inline]
 alloc_pages_node include/linux/gfp.h:260 [inline]
 vm_area_alloc_pages mm/vmalloc.c:3004 [inline]
 __vmalloc_area_node mm/vmalloc.c:3071 [inline]
 __vmalloc_node_range+0x97a/0x1380 mm/vmalloc.c:3243
 __bpf_map_area_alloc kernel/bpf/syscall.c:334 [inline]
 bpf_map_area_alloc+0xd4/0xe0 kernel/bpf/syscall.c:341
 dev_map_create_hash+0x21/0x1b0 kernel/bpf/devmap.c:97
 dev_map_init_map kernel/bpf/devmap.c:142 [inline]
 dev_map_alloc+0x29c/0x500 kernel/bpf/devmap.c:171
 find_and_alloc_map kernel/bpf/syscall.c:133 [inline]
 map_create+0x524/0xff0 kernel/bpf/syscall.c:1149
 __sys_bpf+0x38b/0x780 kernel/bpf/syscall.c:5013
 __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: 0033:0x7fca4e19ce59
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:00007fca4f0ad028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fca4e415fa0 RCX: 00007fca4e19ce59
RDX: 0000000000000050 RSI: 0000200000000540 RDI: 0000000000000000
RBP: 00007fca4e232e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fca4e416038 R14: 00007fca4e415fa0 R15: 00007ffded00b9c8
 </TASK>