rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 3671 jiffies s: 12141 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: 4603 Comm: syz.2.85 Not tainted 6.1.103-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:mark_lock+0x10d/0x340 kernel/locking/lockdep.c:4647
Code: 42 80 3c 28 00 74 08 48 89 df e8 8e 3c 77 00 41 bc 01 00 00 00 44 85 33 74 53 44 89 e0 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f <5d> c3 e8 3c a7 ca 02 85 c0 74 be 48 c7 c0 68 f9 99 8e 48 c1 e8 03
RSP: 0018:ffffc900001dfe10 EFLAGS: 00000086
RAX: 0000000000000001 RBX: ffffffff904327d9 RCX: ffffffff816adfda
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff90739228
RBP: 0000000000000001 R08: dffffc0000000000 R09: fffffbfff20e7246
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880211f8ad8
R13: ffff8880211f8000 R14: ffff8880211f8b78 R15: 1ffff1100423f16f
FS:  00007f95f966a6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcfd5a1cfa8 CR3: 00000000787cd000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 mark_usage kernel/locking/lockdep.c:4511 [inline]
 __lock_acquire+0xa28/0x1f80 kernel/locking/lockdep.c:5003
 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
 seqcount_lockdep_reader_access+0xf8/0x220 include/linux/seqlock.h:102
 ktime_get_update_offsets_now+0x38/0x420 kernel/time/timekeeping.c:2317
 hrtimer_update_base kernel/time/hrtimer.c:631 [inline]
 hrtimer_interrupt+0x12f/0x980 kernel/time/hrtimer.c:1794
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x156/0x580 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:stackdepot_memcmp lib/stackdepot.c:289 [inline]
RIP: 0010:find_stack lib/stackdepot.c:306 [inline]
RIP: 0010:__stack_depot_save+0x185/0x470 lib/stackdepot.c:452
Code: d8 4c 89 c5 41 89 ec eb 03 4d 8b 36 4d 85 f6 74 2a 45 39 6e 08 75 f2 41 39 6e 0c 75 ec 31 c0 49 8b 0c c7 49 3b 4c c6 18 75 df <48> ff c0 41 39 c4 75 ed 4d 85 f6 0f 85 78 02 00 00 45 84 c9 74 0e
RSP: 0018:ffffc900001e0398 EFLAGS: 00000246
RAX: 000000000000000d RBX: 000000000005146b RCX: ffffffff81542f05
RDX: ffffc900001e0478 RSI: 0000000000000002 RDI: 0000000000000b20
RBP: 0000000000000010 R08: 0000000000000010 R09: 0000000000000001
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000010
R13: 000000007315146b R14: ffff88805923d900 R15: ffffc900001e0400
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x60/0x70 mm/kasan/common.c:52
 ____kasan_kmalloc mm/kasan/common.c:374 [inline]
 __kasan_kmalloc+0x97/0xb0 mm/kasan/common.c:383
 kmalloc include/linux/slab.h:556 [inline]
 kzalloc include/linux/slab.h:692 [inline]
 ref_tracker_alloc+0x13c/0x470 lib/ref_tracker.c:85
 __netdev_tracker_alloc include/linux/netdevice.h:4008 [inline]
 netdev_hold include/linux/netdevice.h:4037 [inline]
 dst_init+0xee/0x440 net/core/dst.c:52
 dst_alloc+0x155/0x190 net/core/dst.c:92
 ip6_dst_alloc net/ipv6/route.c:345 [inline]
 icmp6_dst_alloc+0x7b/0x470 net/ipv6/route.c:3269
 ndisc_send_skb+0x344/0x14e0 net/ipv6/ndisc.c:489
 addrconf_rs_timer+0x357/0x610 net/ipv6/addrconf.c:3963
 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504
 expire_timers kernel/time/timer.c:1549 [inline]
 __run_timers+0x67c/0x890 kernel/time/timer.c:1820
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833
 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571
 __do_softirq kernel/softirq.c:605 [inline]
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:666
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:236 [inline]
RIP: 0010:__sanitizer_cov_trace_switch+0x5d/0xe0 kernel/kcov.c:340
Code: 92 00 00 00 4c 8b 04 c5 f8 0a 10 8b 4c 8b 4c 24 20 65 4c 8b 1d f4 c9 77 7e 31 d2 eb 08 48 ff c2 49 39 d2 74 71 4c 8b 74 d6 10 <65> 8b 05 e4 c9 77 7e a9 00 01 ff 00 74 11 a9 00 01 00 00 74 de 41
RSP: 0018:ffffc900050778d8 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000002 RCX: 000000000000008b
RDX: 0000000000000001 RSI: ffffffff8e82f8b0 RDI: 0000000000000005
RBP: ffffc900050779f0 R08: 0000000000000001 R09: ffffffff8a9fd80e
R10: 0000000000000012 R11: ffff8880211f8000 R12: ffff88805a0e1212
R13: ffff88805a0e1210 R14: 0000000000000001 R15: 0000000000000005
 bstr_printf+0x16e/0x1160 lib/vsprintf.c:3238
 ____bpf_snprintf kernel/bpf/helpers.c:1054 [inline]
 bpf_snprintf+0x1a9/0x260 kernel/bpf/helpers.c:1034
 bpf_prog_f2f741945f01d4c6+0x50/0x54
 bpf_dispatcher_nop_func include/linux/bpf.h:989 [inline]
 __bpf_prog_run include/linux/filter.h:596 [inline]
 bpf_prog_run include/linux/filter.h:610 [inline]
 bpf_prog_run_pin_on_cpu include/linux/filter.h:627 [inline]
 bpf_flow_dissect+0x32a/0x3d0 net/core/flow_dissector.c:913
 bpf_prog_test_run_flow_dissector+0x465/0x7e0 net/bpf/test_run.c:1487
 bpf_prog_test_run+0x32f/0x3a0 kernel/bpf/syscall.c:3685
 __sys_bpf+0x3eb/0x6c0 kernel/bpf/syscall.c:5038
 __do_sys_bpf kernel/bpf/syscall.c:5124 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5122 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5122
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f95f89779f9
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:00007f95f966a048 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f95f8b05f80 RCX: 00007f95f89779f9
RDX: 0000000000000050 RSI: 0000000020000640 RDI: 000000000000000a
RBP: 00007f95f89e58ee R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f95f8b05f80 R15: 00007ffca8c874f8
 </TASK>