syzbot

rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2633 jiffies s: 1481 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: 3765 Comm: syz.1.13 Not tainted 6.1.112-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:strlen+0x2d/0x60 lib/string.c:495
Code: 56 41 54 53 49 89 fe 48 c7 c0 ff ff ff ff 49 bf 00 00 00 00 00 fc ff df 48 89 fb 49 89 c4 48 89 d8 48 c1 e8 03 42 0f b6 04 38 <84> c0 75 12 48 ff c3 49 8d 44 24 01 43 80 7c 26 01 00 75 dd eb 13
RSP: 0018:ffffc900001df2b8 EFLAGS: 00000803
RAX: 0000000000000000 RBX: ffffffff8b0df2ed RCX: 00000000001df303
RDX: 0000000000000000 RSI: ffffffff8d344108 RDI: ffffffff8b0df2e0
RBP: ffffc900001df400 R08: 0000000000000002 R09: 0000000000000001
R10: 0000000000000000 R11: dffffc0000000001 R12: 000000000000000c
R13: ffffffff8d1f72e0 R14: ffffffff8b0df2e0 R15: dffffc0000000000
FS:  00007f0a7be5d6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f513ff8 CR3: 0000000079394000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 trace_event_get_offsets_lock_acquire include/trace/events/lock.h:24 [inline]
 perf_trace_lock_acquire+0x114/0x4a0 include/trace/events/lock.h:24
 trace_lock_acquire include/trace/events/lock.h:24 [inline]
 lock_acquire+0x544/0x5a0 kernel/locking/lockdep.c:5633
 seqcount_lockdep_reader_access+0xf8/0x220 include/linux/seqlock.h:102
 timekeeping_get_delta kernel/time/timekeeping.c:254 [inline]
 timekeeping_get_ns kernel/time/timekeeping.c:388 [inline]
 ktime_get+0x7f/0x270 kernel/time/timekeeping.c:848
 hrtimer_forward_now include/linux/hrtimer.h:508 [inline]
 perf_swevent_hrtimer+0x43b/0x4f0 kernel/events/core.c:10881
 __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
 __hrtimer_run_queues+0x5a7/0xe50 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1815
 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:orc_find arch/x86/kernel/unwind_orc.c:169 [inline]
RIP: 0010:unwind_next_frame+0x1f8/0x2220 arch/x86/kernel/unwind_orc.c:448
Code: 44 39 f0 0f 86 26 19 00 00 44 89 f0 48 8d 1c 85 ec c7 af 8f 48 89 d8 48 c1 e8 03 0f b6 04 38 84 c0 0f 85 d0 1a 00 00 44 8b 23 <44> 89 f0 ff c0 48 8d 1c 85 ec c7 af 8f 48 89 d8 48 c1 e8 03 0f b6
RSP: 0018:ffffc900001dfc20 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffffff8fd15730 RCX: 000000000009e078
RDX: dffffc0000000000 RSI: ffffffff8963d1b7 RDI: dffffc0000000000
RBP: 1ffff9200003bfa6 R08: 000000000000000c R09: ffffc900001dfdf0
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000162b32
R13: ffffffff8963d1b6 R14: 00000000000863d1 R15: 000000000009e078
 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:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 kasan_save_free_info+0x27/0x40 mm/kasan/generic.c:516
 ____kasan_slab_free+0xd6/0x120 mm/kasan/common.c:236
 kasan_slab_free include/linux/kasan.h:177 [inline]
 slab_free_hook mm/slub.c:1724 [inline]
 slab_free_freelist_hook mm/slub.c:1750 [inline]
 slab_free mm/slub.c:3661 [inline]
 __kmem_cache_free+0x25c/0x3c0 mm/slub.c:3674
 skb_free_head net/core/skbuff.c:762 [inline]
 skb_release_data+0x5de/0x7a0 net/core/skbuff.c:791
 skb_release_all net/core/skbuff.c:856 [inline]
 __kfree_skb net/core/skbuff.c:870 [inline]
 kfree_skb_reason+0x16f/0x390 net/core/skbuff.c:893
 kfree_skb include/linux/skbuff.h:1220 [inline]
 macsec_start_xmit+0x662/0x3070 drivers/net/macsec.c:3451
 __netdev_start_xmit include/linux/netdevice.h:4853 [inline]
 netdev_start_xmit include/linux/netdevice.h:4867 [inline]
 xmit_one net/core/dev.c:3627 [inline]
 dev_hard_start_xmit+0x261/0x8c0 net/core/dev.c:3643
 __dev_queue_xmit+0x1bb1/0x3cf0 net/core/dev.c:4293
 dev_queue_xmit include/linux/netdevice.h:3021 [inline]
 neigh_hh_output include/net/neighbour.h:528 [inline]
 neigh_output include/net/neighbour.h:542 [inline]
 ip6_finish_output2+0xeae/0x15f0 net/ipv6/ip6_output.c:138
 __ip6_finish_output net/ipv6/ip6_output.c:205 [inline]
 ip6_finish_output+0x6a0/0xa80 net/ipv6/ip6_output.c:216
 dst_output include/net/dst.h:444 [inline]
 NF_HOOK include/linux/netfilter.h:302 [inline]
 ndisc_send_skb+0xbab/0x14e0 net/ipv6/ndisc.c:511
 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:finish_task_switch+0x1d3/0x810 kernel/sched/core.c:5120
Code: 32 0b 00 48 83 c4 08 4c 89 f7 e8 68 31 00 00 0f 1f 44 00 00 4c 89 f7 e8 9b bd 51 09 e8 26 21 32 00 fb 49 8d bc 24 f8 15 00 00 <48> 89 f8 48 c1 e8 03 49 bd 00 00 00 00 00 fc ff df 42 0f b6 04 28
RSP: 0018:ffffc900046d6ce8 EFLAGS: 00000282
RAX: 168d4215d8b93200 RBX: ffff88807cfa5974 RCX: ffffffff97334103
RDX: dffffc0000000000 RSI: ffffffff8b0c0340 RDI: ffff8880728d6f38
RBP: ffffc900046d6d30 R08: ffffffff81b659cc R09: ffffed10171e6ad6
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880728d5940
R13: 1ffff110171e76e3 R14: ffff8880b8f3a9c0 R15: ffff8880b8f3b718
 context_switch kernel/sched/core.c:5244 [inline]
 __schedule+0x1447/0x4570 kernel/sched/core.c:6558
 preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6870
 irqentry_exit+0x53/0x80 kernel/entry/common.c:439
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:put_cpu_partial+0x1af/0x250 mm/slub.c:2661
Code: 3b 44 24 18 0f 85 b4 00 00 00 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 1d f9 c4 08 f7 c3 00 02 00 00 74 c0 fb 4d 85 e4 <75> bf eb c8 e8 d8 de 54 02 85 c0 0f 84 e9 fe ff ff 83 3d c1 7b b8
RSP: 0018:ffffc900046d7070 EFLAGS: 00000246
RAX: 168d4215d8b93200 RBX: 0000000000000282 RCX: ffffffff97334103
RDX: dffffc0000000000 RSI: ffffffff8b0c0340 RDI: ffffffff8b5d7180
RBP: 0000000000000001 R08: ffffffff81b659cc R09: ffffed10171e6ad6
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffea0001f7b380 R14: ffff8880728d5940 R15: ffff888017ccd000
 qlink_free mm/kasan/quarantine.c:168 [inline]
 qlist_free_all+0x76/0xe0 mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x156/0x170 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x1f/0x70 mm/kasan/common.c:305
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook+0x52/0x3a0 mm/slab.h:737
 slab_alloc_node mm/slub.c:3398 [inline]
 __kmem_cache_alloc_node+0x137/0x260 mm/slub.c:3437
 kmalloc_trace+0x26/0xe0 mm/slab_common.c:1026
 kmalloc include/linux/slab.h:557 [inline]
 kzalloc include/linux/slab.h:693 [inline]
 bpf_check+0x1aa/0x16140 kernel/bpf/verifier.c:15491
 bpf_prog_load+0x12df/0x1bb0 kernel/bpf/syscall.c:2646
 __sys_bpf+0x382/0x6c0 kernel/bpf/syscall.c:5020
 __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: 0033:0x7f0a7af7dff9
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:00007f0a7be5d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f0a7b135f80 RCX: 00007f0a7af7dff9
RDX: 0000000000000048 RSI: 000000002000e000 RDI: 0000000000000005
RBP: 00007f0a7aff0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f0a7b135f80 R15: 00007ffccc5a64f8
 </TASK>