rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 3728 jiffies s: 10601 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: 4131 Comm: syz.3.69 Not tainted 6.1.111-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:mark_lock+0x3/0x340 kernel/locking/lockdep.c:4589
Code: c1 0f 8c 73 ff ff ff 4c 89 ff e8 28 41 77 00 e9 66 ff ff ff e8 fe ea 3b 09 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 41 57 <41> 56 41 55 41 54 53 48 83 ec 10 49 89 f7 48 89 3c 24 49 bd 00 00
RSP: 0018:ffffc900001df8e8 EFLAGS: 00000006
RAX: 00000000000e6048 RBX: ffffffff90bb77d9 RCX: ffffffff816af0fa
RDX: 0000000000000008 RSI: ffff888076ce8b58 RDI: ffff888076ce8000
RBP: ffff888076ce8b58 R08: dffffc0000000000 R09: fffffbfff223b846
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888076ce8ad8
R13: ffff888076ce8000 R14: ffff888076ce8b78 R15: 1ffff1100ed9d16f
FS:  00007f55d65eb6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f55d65cad58 CR3: 0000000027dc1000 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:4549 [inline]
 __lock_acquire+0xc6a/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
 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:unwind_next_frame+0x71b/0x2220 arch/x86/kernel/unwind_orc.c:475
Code: 24 24 49 8d 5c 24 40 48 89 d8 48 c1 e8 03 80 3c 38 00 74 0e 49 89 fe 48 89 df e8 f0 75 a5 00 4c 89 f7 48 8b 03 48 89 44 24 08 <48> 8d 5d 01 48 89 e8 48 c1 e8 03 0f b6 04 38 84 c0 0f 85 95 16 00
RSP: 0018:ffffc900001e0200 EFLAGS: 00000246
RAX: ffffc900001e03d0 RBX: ffffc900001e0380 RCX: ffffffff8ea864f8
RDX: ffffffff8f141620 RSI: ffffc900001d9000 RDI: dffffc0000000000
RBP: ffffffff8f141620 R08: 0000000000000007 R09: ffffc900001e0390
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900001e0340
R13: ffffffff8f141624 R14: ffffffff8ea864f4 R15: 1ffffffff1e282c4
 __unwind_start+0x59d/0x720 arch/x86/kernel/unwind_orc.c:717
 unwind_start arch/x86/include/asm/unwind.h:64 [inline]
 arch_stack_walk+0xdb/0x140 arch/x86/kernel/stacktrace.c:24
 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+0x10c/0x2d0 mm/slub.c:3422
 dst_alloc+0x12c/0x190 net/core/dst.c:88
 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:491
 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:console_emit_next_record+0xd67/0x1000 kernel/printk/printk.c:2786
Code: 29 1c 00 44 0f b6 74 24 1f 48 83 7c 24 30 00 75 07 e8 3d 29 1c 00 eb 06 e8 36 29 1c 00 fb 48 c7 84 24 a0 00 00 00 0e 36 e0 45 <43> c7 04 2c 00 00 00 00 4b c7 44 2c 0a 00 00 00 00 4b c7 44 2c 12
RSP: 0018:ffffc9000374e9e0 EFLAGS: 00000287
RAX: ffffffff816e860a RBX: ffffffff816e834c RCX: 0000000000040000
RDX: ffffc90015fbd000 RSI: 000000000000804c RDI: 000000000000804d
RBP: ffffc9000374ec90 R08: ffffffff816e85e2 R09: fffffbfff223b845
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff920006e9d50 R14: 0000000000000001 R15: 0000000000000000
 console_unlock+0x278/0x7c0 kernel/printk/printk.c:2906
 vprintk_emit+0x523/0x740 kernel/printk/printk.c:2303
 _printk+0xd1/0x111 kernel/printk/printk.c:2328
 __dev_set_promiscuity+0x1df/0x5d0 net/core/dev.c:8377
 dev_set_promiscuity+0x4d/0xd0 net/core/dev.c:8416
 nbp_delete_promisc net/bridge/br_if.c:254 [inline]
 del_nbp+0x15f/0xb30 net/bridge/br_if.c:340
 br_dev_delete+0x68/0x100 net/bridge/br_if.c:386
 rtnl_delete_link net/core/rtnetlink.c:3142 [inline]
 rtnl_dellink+0x4e2/0x880 net/core/rtnetlink.c:3194
 rtnetlink_rcv_msg+0x818/0xff0 net/core/rtnetlink.c:6121
 netlink_rcv_skb+0x1cd/0x410 net/netlink/af_netlink.c:2507
 netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline]
 netlink_unicast+0x7d8/0x970 net/netlink/af_netlink.c:1352
 netlink_sendmsg+0xa26/0xd60 net/netlink/af_netlink.c:1874
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg net/socket.c:730 [inline]
 ____sys_sendmsg+0x5a5/0x8f0 net/socket.c:2514
 ___sys_sendmsg net/socket.c:2568 [inline]
 __sys_sendmsg+0x2a9/0x390 net/socket.c:2597
 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: 0033:0x7f55d577def9
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:00007f55d65eb038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f55d5935f80 RCX: 00007f55d577def9
RDX: 0000000000000000 RSI: 0000000020000600 RDI: 0000000000000009
RBP: 00007f55d57f0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f55d5935f80 R15: 00007fff3d513c78
 </TASK>