syzbot

ip6_tunnel: ip6tnl1 xmit: Local address not yet configured!
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (1 GPs behind) idle=ae6c/1/0x4000000000000000 softirq=55942/55943 fqs=0
rcu: 	(detected by 1, t=10506 jiffies, g=43909, q=1035 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 12830 Comm: syz.4.1669 Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__lock_acquire+0xebe/0x3c40 kernel/locking/lockdep.c:5259
Code: 00 00 00 00 48 8b 84 24 e8 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 93 22 00 00 48 81 c4 f0 00 00 00 89 d0 5b 5d 41 5c 41 5d <41> 5e 41 5f c3 cc cc cc cc 41 83 fe 01 c7 04 24 00 00 00 00 0f 87
RSP: 0018:ffffc90000007c58 EFLAGS: 00000082
RAX: 0000000000000001 RBX: 1ffff92000000f94 RCX: 00000000d439196c
RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffff96e53ae8
RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff2dca398
R10: ffffffff96e51cc7 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffff8e1bb900 R14: 0000000000000003 R15: ffff88804a54af20
FS:  00007fc7100ef6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc70f36bac0 CR3: 000000007efde000 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
 rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
 rcu_read_lock include/linux/rcupdate.h:849 [inline]
 advance_sched+0x67f/0xc60 net/sched/sch_taprio.c:985
 __run_hrtimer kernel/time/hrtimer.c:1739 [inline]
 __hrtimer_run_queues+0x20a/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:find_stack lib/stackdepot.c:552 [inline]
RIP: 0010:stack_depot_save_flags+0x135/0x9c0 lib/stackdepot.c:618
Code: 29 df 31 f8 c1 cf 08 29 f8 89 c3 41 89 d9 44 23 0d 20 94 e0 15 49 c1 e1 04 4c 03 0d 1d 94 e0 15 65 ff 05 16 69 34 7b 49 8b 09 <4c> 39 c9 75 11 e9 91 00 00 00 48 8b 09 49 39 c9 0f 84 d8 01 00 00
RSP: 0018:ffffc900040af7d8 EFLAGS: 00000282
RAX: 00000000e115febd RBX: 00000000e115febd RCX: ffff88807acea9b0
RDX: 00000000d7f40f58 RSI: 00000000aa969c2d RDI: 000000005ab6b3f2
RBP: 0000000000000001 R08: 0000000000000000 R09: ffff88823b3febd0
R10: ffffffff905f36d7 R11: 0000000000000000 R12: 0000000000000000
R13: ffffc900040af838 R14: 000000000000000e R15: 000000000000000e
 kasan_save_stack+0x42/0x60 mm/kasan/common.c:48
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:582
 poison_slab_object mm/kasan/common.c:247 [inline]
 __kasan_slab_free+0x51/0x70 mm/kasan/common.c:264
 kasan_slab_free include/linux/kasan.h:233 [inline]
 slab_free_hook mm/slub.c:2353 [inline]
 slab_free mm/slub.c:4613 [inline]
 kmem_cache_free+0x152/0x4c0 mm/slub.c:4715
 skb_kfree_head net/core/skbuff.c:1084 [inline]
 skb_kfree_head net/core/skbuff.c:1081 [inline]
 skb_free_head+0x18a/0x1d0 net/core/skbuff.c:1098
 skb_release_data+0x560/0x730 net/core/skbuff.c:1125
 skb_release_all net/core/skbuff.c:1190 [inline]
 __kfree_skb net/core/skbuff.c:1204 [inline]
 consume_skb net/core/skbuff.c:1436 [inline]
 consume_skb+0xbf/0x100 net/core/skbuff.c:1430
 netlink_recvmsg+0x606/0xf30 net/netlink/af_netlink.c:1969
 sock_recvmsg_nosec net/socket.c:1033 [inline]
 sock_recvmsg+0x1f6/0x250 net/socket.c:1055
 __sys_recvfrom+0x204/0x310 net/socket.c:2247
 __do_sys_recvfrom net/socket.c:2262 [inline]
 __se_sys_recvfrom net/socket.c:2258 [inline]
 __x64_sys_recvfrom+0xe0/0x1c0 net/socket.c:2258
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc70f387af4
Code: 89 4c 24 1c e8 ed 5f 02 00 44 8b 54 24 1c 8b 3c 24 45 31 c9 89 c5 48 8b 54 24 10 48 8b 74 24 08 45 31 c0 b8 2d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 04 24 e8 39 60 02 00 48 8b 04
RSP: 002b:00007fc7100eded0 EFLAGS: 00000246 ORIG_RAX: 000000000000002d
RAX: ffffffffffffffda RBX: 00007fc7100edfc0 RCX: 00007fc70f387af4
RDX: 0000000000001000 RSI: 00007fc7100ee010 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005
R13: 00007fc7100edf68 R14: 00007fc7100ee010 R15: 0000000000000000
 </TASK>
rcu: rcu_preempt kthread starved for 10506 jiffies! g43909 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:27104 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: 1 UID: 0 PID: 6980 Comm: kworker/u8:20 Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: iou_exit io_ring_exit_work
RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline]
RIP: 0010:smp_call_function_many_cond+0x458/0x1300 kernel/smp.c:884
Code: 0c 00 85 ed 74 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 ba 0e 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
RSP: 0018:ffffc9000415f888 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff8880b86469c0 RCX: ffffffff818e078c
RDX: ffff888053fd4880 RSI: ffffffff818e0766 RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000006 R12: ffffed10170c8d39
R13: 0000000000000001 R14: ffff8880b86469c8 R15: ffff8880b873fe40
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1b4f177bac 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_slow_dec_cpuslocked.part.0+0xc0/0xf0 kernel/jump_label.c:315
 __static_key_slow_dec_cpuslocked kernel/jump_label.c:297 [inline]
 __static_key_slow_dec kernel/jump_label.c:321 [inline]
 static_key_slow_dec+0x7c/0xc0 kernel/jump_label.c:336
 io_ring_ctx_free io_uring/io_uring.c:2757 [inline]
 io_ring_exit_work+0xfa3/0x1b20 io_uring/io_uring.c:2968
 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>