rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...0: (1 GPs behind) idle=efac/1/0x4000000000000000 softirq=104944/104944 fqs=5244
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:        0          0            0
rcu: 	cputime:        0          0            0   ==> 52510(ms)
rcu: 	(detected by 0, t=10502 jiffies, g=81781, q=1873 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 20143 Comm: syz-executor Not tainted 6.12.0-syzkaller-10553-gb86545e02e8c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:debug_spin_lock_before kernel/locking/spinlock_debug.c:87 [inline]
RIP: 0010:do_raw_spin_lock+0xad/0x370 kernel/locking/spinlock_debug.c:115
Code: 84 c0 0f 85 f6 01 00 00 8b 03 3d ad 4e ad de 0f 85 62 01 00 00 4d 8d 6c 24 10 4c 89 e8 48 c1 e8 03 48 89 44 24 20 80 3c 10 00 <74> 12 4c 89 ef e8 49 47 8e 00 48 ba 00 00 00 00 00 fc ff df 49 8b
RSP: 0018:ffffc90000a18bc0 EFLAGS: 00000046
RAX: 1ffff110170e5912 RBX: ffff8880b872c884 RCX: 1ffff92000143180
RDX: dffffc0000000000 RSI: 1ffff92000143180 RDI: ffff8880b872c880
RBP: ffffc90000a18c90 R08: ffffffff901e5cb7 R09: 1ffffffff203cb96
R10: dffffc0000000000 R11: fffffbfff203cb97 R12: ffff8880b872c880
R13: ffff8880b872c890 R14: ffffc90000a18cc0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b8700000(0063) knlGS:0000000056c84440
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000000c3451ef CR3: 000000006a6b4000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:120 [inline]
 _raw_spin_lock_irq+0xdf/0x120 kernel/locking/spinlock.c:170
 __run_hrtimer kernel/time/hrtimer.c:1743 [inline]
 __hrtimer_run_queues+0x670/0xd50 kernel/time/hrtimer.c:1803
 hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:unwind_next_frame+0x148a/0x22d0
Code: 44 24 38 80 3c 28 00 74 08 4c 89 ff e8 8f 9f be 00 49 89 1f 41 0f b6 04 2c 84 c0 0f 85 1d 0c 00 00 41 c6 06 00 48 8b 5c 24 40 <e9> 5b 01 00 00 48 89 ef 48 b8 00 00 00 00 00 fc ff df 41 80 3c 07
RSP: 0018:ffffc9000381e4d0 EFLAGS: 00000246
RAX: ffffc9000381e5f0 RBX: 1ffffffff224c4bb RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000381e600
RBP: dffffc0000000000 R08: ffffc9000381e5ff R09: 0000000000000000
R10: ffffc9000381e5f0 R11: fffff52000703cc0 R12: ffffc90003820000
R13: ffffc9000381e5a0 R14: ffffffff899138a3 R15: ffffc9000381e5f0
 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
 __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:394
 kasan_kmalloc include/linux/kasan.h:260 [inline]
 __do_kmalloc_node mm/slub.c:4283 [inline]
 __kmalloc_node_track_caller_noprof+0x28b/0x4c0 mm/slub.c:4302
 kmalloc_reserve+0x111/0x2a0 net/core/skbuff.c:609
 __alloc_skb+0x1f3/0x440 net/core/skbuff.c:678
 alloc_skb include/linux/skbuff.h:1323 [inline]
 nlmsg_new include/net/netlink.h:1018 [inline]
 rtmsg_ifinfo_build_skb+0x84/0x260 net/core/rtnetlink.c:4336
 rtmsg_ifinfo_event net/core/rtnetlink.c:4378 [inline]
 rtnetlink_event+0x1b1/0x260 net/core/rtnetlink.c:6971
 notifier_call_chain+0x19f/0x3e0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2034 [inline]
 call_netdevice_notifiers net/core/dev.c:2048 [inline]
 dev_set_mac_address+0x3d9/0x510 net/core/dev.c:9206
 dev_set_mac_address_user+0x31/0x50 net/core/dev.c:9220
 do_setlink+0x74b/0x4210 net/core/rtnetlink.c:3058
 rtnl_changelink net/core/rtnetlink.c:3717 [inline]
 __rtnl_newlink net/core/rtnetlink.c:3869 [inline]
 rtnl_newlink+0x171c/0x24f0 net/core/rtnetlink.c:4001
 rtnetlink_rcv_msg+0x791/0xcf0 net/core/rtnetlink.c:6911
 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2541
 netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline]
 netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1347
 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1891
 sock_sendmsg_nosec net/socket.c:711 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:726
 __sys_sendto+0x363/0x4c0 net/socket.c:2197
 __se_compat_sys_socketcall+0xb18/0x1430 net/compat.c:423
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0xb4/0x110 arch/x86/entry/common.c:386
 do_fast_syscall_32+0x34/0x80 arch/x86/entry/common.c:411
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f17579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000f74ff7e0 EFLAGS: 00000206 ORIG_RAX: 0000000000000066
RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00000000f74ff7f4
RDX: 0000000000000000 RSI: 00000000f7f04568 RDI: 00000000f73a0ff4
RBP: 00000000f7f04568 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>