IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (0 ticks this GP) idle=b4fc/1/0x4000000000000000 softirq=30472/30472 fqs=2
rcu: 	(detected by 0, t=10502 jiffies, g=21041, q=99 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 4849 Comm: kworker/u8:8 Not tainted 6.13.0-rc1-syzkaller-00025-gfeffde684ac2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: bat_events batadv_nc_worker
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4866 [inline]
RIP: 0010:__lock_acquire+0x546/0x3c40 kernel/locking/lockdep.c:5176
Code: eb 01 49 83 ec 28 83 fb ff 0f 84 a2 0b 00 00 49 8d 4c 24 df 4c 89 e2 4c 89 e6 48 c1 ea 03 83 e6 07 0f b6 14 2a 40 38 f2 7f 08 <84> d2 0f 85 19 23 00 00 0f b6 51 21 44 31 f2 83 e2 60 74 c1 83 c3
RSP: 0018:ffffc90000a18be8 EFLAGS: 00000097
RAX: 0000000000000002 RBX: 0000000000000002 RCX: ffff888036ce2f70
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff888036ce2fb9
RBP: dffffc0000000000 R08: 0000000000000003 R09: fffffbfff2dca399
R10: ffffffff96e51ccf R11: 0000000000000003 R12: ffff888036ce2f91
R13: ffff888036ce2440 R14: 0000000000000040 R15: ffff888036ce2f98
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f112ff8 CR3: 000000002b176000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5849
 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
 _raw_spin_lock_irq+0x36/0x50 kernel/locking/spinlock.c:170
 __run_hrtimer kernel/time/hrtimer.c:1743 [inline]
 __hrtimer_run_queues+0x2be/0xae0 kernel/time/hrtimer.c:1803
 hrtimer_interrupt+0x392/0x8e0 kernel/time/hrtimer.c:1865
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x10f/0x400 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0x9f/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:lock_acquire.part.0+0x155/0x380 kernel/locking/lockdep.c:5814
Code: b8 ff ff ff ff 65 0f c1 05 f0 cf 8b 7e 83 f8 01 0f 85 d0 01 00 00 9c 58 f6 c4 02 0f 85 e5 01 00 00 48 85 ed 0f 85 b6 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7
RSP: 0018:ffffc900102a7aa8 EFLAGS: 00000206
RAX: 0000000000000046 RBX: 1ffff92002054f56 RCX: 0000000040e1fbc0
RDX: 0000000000000001 RSI: ffffffff8b6cdb40 RDI: ffffffff8bd1b4a0
RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff2dca398
R10: ffffffff96e51cc7 R11: 0000000000000002 R12: 0000000000000000
R13: ffffffff8e1bb500 R14: 0000000000000000 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
 rcu_read_lock include/linux/rcupdate.h:849 [inline]
 batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
 batadv_nc_worker+0x16a/0x1060 net/batman-adv/network-coding.c:719
 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
rcu: rcu_preempt kthread starved for 10498 jiffies! g21041 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:28192 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6848
 schedule_timeout+0x124/0x280 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2045
 rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2247
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 9278 Comm: kworker/u8:13 Not tainted 6.13.0-rc1-syzkaller-00025-gfeffde684ac2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline]
RIP: 0010:smp_call_function_many_cond+0x45d/0x1300 kernel/smp.c:884
Code: 4d 48 b8 00 00 00 00 00 fc ff df 4d 89 f4 4c 89 f5 49 c1 ec 03 83 e5 07 49 01 c4 83 c5 03 e8 7a 0d 0c 00 f3 90 41 0f b6 04 24 <40> 38 c5 7c 08 84 c0 0f 85 a7 0c 00 00 8b 43 08 31 ff 83 e0 01 41
RSP: 0018:ffffc9000ec9f998 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff8880b8744a40 RCX: ffffffff818df8bc
RDX: ffff888032b04880 RSI: ffffffff818df896 RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000006 R12: ffffed10170e8949
R13: 0000000000000001 R14: ffff8880b8744a48 R15: ffff8880b863fe40
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002004c030 CR3: 000000000df7e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1051
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:2114 [inline]
 text_poke_bp_batch+0x22b/0x760 arch/x86/kernel/alternative.c:2324
 text_poke_flush arch/x86/kernel/alternative.c:2515 [inline]
 text_poke_flush arch/x86/kernel/alternative.c:2512 [inline]
 text_poke_finish+0x30/0x40 arch/x86/kernel/alternative.c:2522
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 jump_label_update+0x1d7/0x400 kernel/jump_label.c:920
 static_key_enable_cpuslocked+0x1b7/0x270 kernel/jump_label.c:210
 static_key_enable+0x1a/0x20 kernel/jump_label.c:223
 toggle_allocation_gate mm/kfence/core.c:849 [inline]
 toggle_allocation_gate+0xfc/0x260 mm/kfence/core.c:841
 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
IPVS: rr: UDP 224.0.0.2:0 - no destination available
watchdog: BUG: soft lockup - CPU#0 stuck for 263s! [kworker/u8:13:9278]
Modules linked in:
irq event stamp: 2297492
hardirqs last  enabled at (2297491): [<ffffffff8b29c32b>] irqentry_exit+0x3b/0x90 kernel/entry/common.c:357
hardirqs last disabled at (2297492): [<ffffffff8b29aaae>] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1049
softirqs last  enabled at (2297480): [<ffffffff815c525b>] softirq_handle_end kernel/softirq.c:400 [inline]
softirqs last  enabled at (2297480): [<ffffffff815c525b>] handle_softirqs+0x5bb/0x8f0 kernel/softirq.c:582
softirqs last disabled at (2297459): [<ffffffff815c5729>] __do_softirq kernel/softirq.c:588 [inline]
softirqs last disabled at (2297459): [<ffffffff815c5729>] invoke_softirq kernel/softirq.c:428 [inline]
softirqs last disabled at (2297459): [<ffffffff815c5729>] __irq_exit_rcu+0x109/0x170 kernel/softirq.c:655
CPU: 0 UID: 0 PID: 9278 Comm: kworker/u8:13 Not tainted 6.13.0-rc1-syzkaller-00025-gfeffde684ac2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210
Code: 7e 60 e8 a3 ff ff ff 31 c0 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 65 48 8b 15 e4 d2 69 7e 65 8b 05 e5 d2 69 7e a9 00 01
RSP: 0018:ffffc9000ec9f990 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffff8880b8744a40 RCX: ffffffff818df8bc
RDX: ffff888032b04880 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000006 R12: ffffed10170e8949
R13: 0000000000000001 R14: ffff8880b8744a48 R15: ffff8880b863fe40
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002004c030 CR3: 000000000df7e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 rep_nop arch/x86/include/asm/vdso/processor.h:13 [inline]
 cpu_relax arch/x86/include/asm/vdso/processor.h:18 [inline]
 csd_lock_wait kernel/smp.c:340 [inline]
 smp_call_function_many_cond+0x456/0x1300 kernel/smp.c:884
 on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1051
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:2114 [inline]
 text_poke_bp_batch+0x22b/0x760 arch/x86/kernel/alternative.c:2324
 text_poke_flush arch/x86/kernel/alternative.c:2515 [inline]
 text_poke_flush arch/x86/kernel/alternative.c:2512 [inline]
 text_poke_finish+0x30/0x40 arch/x86/kernel/alternative.c:2522
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 jump_label_update+0x1d7/0x400 kernel/jump_label.c:920
 static_key_enable_cpuslocked+0x1b7/0x270 kernel/jump_label.c:210
 static_key_enable+0x1a/0x20 kernel/jump_label.c:223
 toggle_allocation_gate mm/kfence/core.c:849 [inline]
 toggle_allocation_gate+0xfc/0x260 mm/kfence/core.c:841
 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 4849 Comm: kworker/u8:8 Not tainted 6.13.0-rc1-syzkaller-00025-gfeffde684ac2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: bat_events batadv_nc_worker
RIP: 0010:__kasan_check_read+0x0/0x20 mm/kasan/shadow.c:30
Code: c3 cc cc cc cc 48 83 c4 60 48 c7 c7 b8 33 7c 8d 5b 5d 41 5c e9 71 48 7c ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 8b 0c 24 89 f6 31 d2 e9 1f f1 ff ff 66 66 2e 0f 1f
RSP: 0018:ffffc90000a18bd0 EFLAGS: 00000047
RAX: 0000000000000000 RBX: 0000000000000021 RCX: ffffffff81767932
RDX: 1ffff11006d9c5f2 RSI: 0000000000000008 RDI: ffffffff96e51cc0
RBP: 0000000000000040 R08: 0000000000000000 R09: fffffbfff2dca399
R10: ffffffff96e51ccf R11: 0000000000000003 R12: ffff888036ce2f91
R13: ffff888036ce2440 R14: 0000000000000002 R15: ffff888036ce2f98
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f112ff8 CR3: 000000002b176000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 instrument_atomic_read include/linux/instrumented.h:68 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 hlock_class+0x4e/0x130 kernel/locking/lockdep.c:228
 __lock_acquire+0x13a6/0x3c40 kernel/locking/lockdep.c:5222
 lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5849
 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
 _raw_spin_lock_irq+0x36/0x50 kernel/locking/spinlock.c:170
 __run_hrtimer kernel/time/hrtimer.c:1743 [inline]
 __hrtimer_run_queues+0x2be/0xae0 kernel/time/hrtimer.c:1803
 hrtimer_interrupt+0x392/0x8e0 kernel/time/hrtimer.c:1865
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x10f/0x400 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0x9f/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:lock_acquire.part.0+0x155/0x380 kernel/locking/lockdep.c:5814
Code: b8 ff ff ff ff 65 0f c1 05 f0 cf 8b 7e 83 f8 01 0f 85 d0 01 00 00 9c 58 f6 c4 02 0f 85 e5 01 00 00 48 85 ed 0f 85 b6 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7
RSP: 0018:ffffc900102a7aa8 EFLAGS: 00000206
RAX: 0000000000000046 RBX: 1ffff92002054f56 RCX: 0000000040e1fbc0
RDX: 0000000000000001 RSI: ffffffff8b6cdb40 RDI: ffffffff8bd1b4a0
RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff2dca398
R10: ffffffff96e51cc7 R11: 0000000000000002 R12: 0000000000000000
R13: ffffffff8e1bb500 R14: 0000000000000000 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
 rcu_read_lock include/linux/rcupdate.h:849 [inline]
 batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
 batadv_nc_worker+0x16a/0x1060 net/batman-adv/network-coding.c:719
 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>