rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 4688 jiffies s: 3305 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: 5554 Comm: syz-executor Not tainted 6.10.0-rc7-syzkaller-00012-g34afb82a3c67 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:32 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:67 [inline]
RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:103 [inline]
RIP: 0010:lock_acquire+0x187/0x550 kernel/locking/lockdep.c:5750
Code: 4c 89 fb 48 c1 eb 03 42 80 3c 2b 00 74 08 4c 89 ff e8 ed 74 89 00 48 c7 84 24 80 00 00 00 00 00 00 00 9c 8f 84 24 80 00 00 00 <42> 80 3c 2b 00 74 08 4c 89 ff e8 da 73 89 00 48 8d 5c 24 60 4c 8b
RSP: 0018:ffffc90000007300 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 1ffff92000000e70 RCX: ffffffff81726834
RDX: 0000000000000000 RSI: ffffffff8c1fe960 RDI: ffffffff8c1fe920
RBP: ffffc90000007458 R08: ffffffff8fad492f R09: 1ffffffff1f5a925
R10: dffffc0000000000 R11: fffffbfff1f5a926 R12: 1ffff92000000e68
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffc90000007380
FS:  0000555573ee3500(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd06fa00d58 CR3: 000000006d660000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
 rcu_read_lock include/linux/rcupdate.h:781 [inline]
 advance_sched+0xa1e/0xca0 net/sched/sch_taprio.c:985
 __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
 __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1043
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:200
Code: 89 fb e8 23 00 00 00 48 8b 3d 1c 8b 45 0c 48 89 de 5b e9 23 40 5a 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 8b 04 24 65 48 8b 0c 25 c0 d4 03 00 65 8b 15 00 ad
RSP: 0018:ffffc900000078a0 EFLAGS: 00000246
RAX: 0000000080000102 RBX: ffffc900000079b8 RCX: ffff88802adcbc00
RDX: 0000000000000008 RSI: ffffffff8e1a1380 RDI: 0000000000000004
RBP: 0000000000000004 R08: 0000000000000005 R09: ffffffff8140f7ae
R10: 0000000000000008 R11: ffff88802adcbc00 R12: ffffffff8fbdffd4
R13: dffffc0000000000 R14: ffffc900000079d0 R15: 1ffff92000000f30
 unwind_next_frame+0xa39/0x2a00 arch/x86/kernel/unwind_orc.c:521
 arch_stack_walk+0x151/0x1b0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
 ref_tracker_free+0x105/0x7e0 lib/ref_tracker.c:239
 netdev_tracker_free include/linux/netdevice.h:4058 [inline]
 netdev_put include/linux/netdevice.h:4075 [inline]
 dst_destroy+0x171/0x460 net/core/dst.c:117
 rcu_do_batch kernel/rcu/tree.c:2535 [inline]
 rcu_core+0xafd/0x1830 kernel/rcu/tree.c:2809
 handle_softirqs+0x2c4/0x970 kernel/softirq.c:554
 do_softirq+0x11b/0x1e0 kernel/softirq.c:455
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382
 lock_sock include/net/sock.h:1602 [inline]
 hci_sock_ioctl+0x26b/0xa40 net/bluetooth/hci_sock.c:1073
 sock_do_ioctl+0x158/0x460 net/socket.c:1222
 sock_ioctl+0x629/0x8e0 net/socket.c:1341
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd0711757db
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007ffd69fab420 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd0711757db
RDX: 0000000000000001 RSI: 00000000400448c9 RDI: 0000000000000003
RBP: 00007ffd69fab48c R08: 0000000000000000 R09: 00007ffd69fab397
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000001 R14: 0000000000000009 R15: 0000000000000009
 </TASK>