rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 3734 jiffies s: 19769 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: 9024 Comm: syz.4.1630 Not tainted 6.1.112-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:122 [inline]
RIP: 0010:lock_release+0x12d/0xa20 kernel/locking/lockdep.c:5675
Code: 65 8b 05 66 ce 97 7e 85 c0 0f 85 1c 05 00 00 65 4c 8b 35 d6 c4 97 7e 49 8d 9e dc 0a 00 00 48 89 d8 48 c1 e8 03 42 0f b6 04 38 <84> c0 0f 85 da 05 00 00 83 3b 00 0f 85 f0 04 00 00 4c 89 74 24 10
RSP: 0018:ffffc900001df280 EFLAGS: 00000803
RAX: 0000000000000000 RBX: ffff888029a7289c RCX: ffffffff816aaa17
RDX: 0000000000000000 RSI: ffffffff8b5d7160 RDI: ffffffff8b5d7120
RBP: ffffc900001df3b0 R08: dffffc0000000000 R09: fffffbfff1d33f2e
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200003be5c
R13: ffffffff81b47c0c R14: ffff888029a71dc0 R15: dffffc0000000000
FS:  00007fbbf8ae16c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd923e26922 CR3: 0000000053a24000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __perf_output_begin kernel/events/ring_buffer.c:262 [inline]
 perf_output_begin_forward+0x77e/0xaf0 kernel/events/ring_buffer.c:271
 __perf_event_output kernel/events/core.c:7704 [inline]
 perf_event_output_forward+0x1e5/0x330 kernel/events/core.c:7722
 __perf_event_overflow+0x45e/0x640 kernel/events/core.c:9468
 perf_swevent_hrtimer+0x38e/0x4f0 kernel/events/core.c:10876
 __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:should_resched arch/x86/include/asm/preempt.h:103 [inline]
RIP: 0010:__local_bh_enable_ip+0x16c/0x1f0 kernel/softirq.c:403
Code: 8b e8 58 93 52 09 65 66 8b 05 d0 6d af 7e 66 85 c0 75 57 bf 01 00 00 00 e8 f1 45 0a 00 e8 9c 40 3d 00 fb 65 8b 05 bc 3d ae 7e <85> c0 75 05 e8 6b 61 ac ff 48 c7 44 24 20 0e 36 e0 45 49 c7 04 1c
RSP: 0018:ffffc900001dfc40 EFLAGS: 00000286
RAX: 0000000000000301 RBX: 1ffff9200003bf8c RCX: ffffffff816af0fa
RDX: dffffc0000000000 RSI: ffffffff8b0c0340 RDI: ffffffff8b5d7180
RBP: ffffc900001dfcf0 R08: dffffc0000000000 R09: fffffbfff223ba62
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff9200003bf90 R14: ffffc900001dfc80 R15: 0000000000000201
 ebt_do_table+0x2752/0x2940
 nf_hook_entry_hookfn include/linux/netfilter.h:142 [inline]
 nf_hook_slow+0xae/0x1e0 net/netfilter/core.c:614
 NF_HOOK+0x2a3/0x450 include/linux/netfilter.h:300
 __br_forward+0x430/0x5f0 net/bridge/br_forward.c:115
 deliver_clone net/bridge/br_forward.c:131 [inline]
 maybe_deliver+0xb3/0x150 net/bridge/br_forward.c:189
 br_flood+0x2e7/0x440 net/bridge/br_forward.c:231
 br_dev_xmit+0x1194/0x18e0
 __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
 neigh_output include/net/neighbour.h:544 [inline]
 ip6_finish_output2+0xee6/0x15f0 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:get_lock_parent_ip include/linux/ftrace.h:950 [inline]
RIP: 0010:preempt_latency_start kernel/sched/core.c:5688 [inline]
RIP: 0010:preempt_count_add+0x87/0x180 kernel/sched/core.c:5713
Code: 15 00 75 11 65 8b 05 f0 f8 a3 7e 0f b6 c0 3d f5 00 00 00 73 59 65 8b 05 df f8 a3 7e 25 ff ff ff 7f 39 d8 75 43 4c 8b 74 24 18 <4c> 89 f7 e8 b1 59 0d 00 85 c0 74 0a 45 31 f6 31 ff e8 a3 59 0d 00
RSP: 0018:ffffc90004607840 EFLAGS: 00000246
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff97334103
RDX: ffffc90016b71000 RSI: 00000000000011b9 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffff81009209 R09: ffffc900046079d0
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888029a71dc0
R13: ffffffff81786c50 R14: ffffffff8176ac2a R15: dffffc0000000000
 is_module_text_address+0x1a/0x160 kernel/module/main.c:3102
 kernel_text_address+0x8e/0xd0 kernel/extable.c:119
 __kernel_text_address+0x9/0x40 kernel/extable.c:79
 unwind_get_return_address+0x49/0x80 arch/x86/kernel/unwind_orc.c:323
 arch_stack_walk+0xf3/0x140 arch/x86/kernel/stacktrace.c:26
 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_slab_alloc+0x65/0x70 mm/kasan/common.c:328
 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]
 slab_alloc mm/slub.c:3406 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3413 [inline]
 kmem_cache_alloc_lru+0x10c/0x2d0 mm/slub.c:3429
 alloc_inode_sb include/linux/fs.h:3198 [inline]
 sock_alloc_inode+0x24/0xc0 net/socket.c:306
 alloc_inode fs/inode.c:261 [inline]
 new_inode_pseudo+0x61/0x1d0 fs/inode.c:1055
 sock_alloc net/socket.c:631 [inline]
 __sock_create+0x11f/0x910 net/socket.c:1514
 sock_create net/socket.c:1601 [inline]
 __sys_socket_create net/socket.c:1638 [inline]
 __sys_socket+0x136/0x3a0 net/socket.c:1666
 __do_sys_socket net/socket.c:1679 [inline]
 __se_sys_socket net/socket.c:1677 [inline]
 __x64_sys_socket+0x76/0x80 net/socket.c:1677
 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: 0033:0x7fbbf7d7dff9
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:00007fbbf8ae1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007fbbf7f35f80 RCX: 00007fbbf7d7dff9
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000029
RBP: 00007fbbf7df0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fbbf7f35f80 R15: 00007ffe1c2c4c88
 </TASK>