ip6_tunnel: ip6gre1 xmit: Local address not yet configured!
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 1-...!: (1 GPs behind) idle=c574/1/0x4000000000000000 softirq=81914/81925 fqs=1
rcu: (detected by 0, t=10502 jiffies, g=93509, q=476 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 1082 Comm: kworker/u8:7 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:list_is_last include/linux/list.h:385 [inline]
RIP: 0010:should_restart_cycle net/sched/sch_taprio.c:875 [inline]
RIP: 0010:advance_sched+0x2f2/0xc80 net/sched/sch_taprio.c:954
Code: 48 8b 04 24 4c 8d a0 10 01 00 00 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 ff e8 7e 37 72 f8 <4d> 8b 3f 4d 39 e7 0f 84 a7 00 00 00 48 8b 04 24 48 8d 98 28 01 00
RSP: 0018:ffffc90000a08d10 EFLAGS: 00000046
RAX: 1ffff1100ff37fa8 RBX: 0000000000000000 RCX: dffffc0000000000
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 18bcc1b0b2c0dde4
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000141190 R12: ffff88807f9be110
R13: 0000000000000000 R14: 18bcc1b0b2c0dde4 R15: ffff88807f9bfd40
FS: 0000000000000000(0000) GS:ffff888125326000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5dc7ceb9a0 CR3: 000000007fc60000 CR4: 00000000003526f0
Call Trace:
__run_hrtimer kernel/time/hrtimer.c:2032 [inline]
__hrtimer_run_queues+0x3bc/0xa10 kernel/time/hrtimer.c:2096
hrtimer_interrupt+0x448/0x910 kernel/time/hrtimer.c:2215
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1051 [inline]
__sysvec_apic_timer_interrupt+0x102/0x430 arch/x86/kernel/apic/apic.c:1068
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1062
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:lock_acquire+0x221/0x350 kernel/locking/lockdep.c:5872
Code: ff ff ff e8 81 80 11 0a f7 44 24 08 00 02 00 00 0f 84 3a ff ff ff 65 48 8b 05 6b 7b 9d 11 48 3b 44 24 58 75 33 fb 48 83 c4 60 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 90 80 14 0a cc 48 8d 3d b8 3b 94
RSP: 0018:ffffc900055868e0 EFLAGS: 00000282
RAX: a6c8f3eea0c0bf00 RBX: 0000000000000000 RCX: 0000000080000201
RDX: 00000000374220a3 RSI: ffffffff8e25a5b4 RDI: ffffffff8c2a9f80
RBP: ffffffff8176f21f R08: ffffffff8176f21f R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff8e959c20 R12: 0000000000000002
R13: ffffffff8e959c20 R14: 0000000000000000 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:300 [inline]
rcu_read_lock include/linux/rcupdate.h:840 [inline]
class_rcu_constructor include/linux/rcupdate.h:1183 [inline]
unwind_next_frame+0xac/0x2550 arch/x86/kernel/unwind_orc.c:495
arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:57 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:584
poison_slab_object mm/kasan/common.c:253 [inline]
__kasan_slab_free+0x5c/0x80 mm/kasan/common.c:285
kasan_slab_free include/linux/kasan.h:235 [inline]
slab_free_hook mm/slub.c:2705 [inline]
slab_free mm/slub.c:6405 [inline]
kfree+0x1c5/0x640 mm/slub.c:6720
ieee80211_inform_bss+0xbda/0x10d0 net/mac80211/scan.c:164
rdev_inform_bss net/wireless/rdev-ops.h:418 [inline]
cfg80211_inform_single_bss_data+0xd9c/0x1be0 net/wireless/scan.c:2379
cfg80211_inform_bss_data+0x258/0x3c40 net/wireless/scan.c:3238
cfg80211_inform_bss_frame_data+0x3c7/0x730 net/wireless/scan.c:3329
ieee80211_bss_info_update+0x791/0xa50 net/mac80211/scan.c:230
ieee80211_rx_bss_info net/mac80211/ibss.c:1064 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1545 [inline]
ieee80211_ibss_rx_queued_mgmt+0x1c8b/0x2be0 net/mac80211/ibss.c:1572
ieee80211_iface_process_skb net/mac80211/iface.c:1763 [inline]
ieee80211_iface_work+0x78a/0x1010 net/mac80211/iface.c:1817
cfg80211_wiphy_work+0x29e/0x420 net/wireless/core.c:538
process_one_work kernel/workqueue.c:3322 [inline]
process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3405
worker_thread+0xa47/0xfb0 kernel/workqueue.c:3486
kthread+0x388/0x470 kernel/kthread.c:436
ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
rcu: rcu_preempt kthread timer wakeup didn't happen for 10498 jiffies! g93509 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: Possible timer handling issue on cpu=0 timer-softirq=36808
rcu: rcu_preempt kthread starved for 10499 jiffies! g93509 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:27656 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5510 [inline]
__schedule+0x17d9/0x56c0 kernel/sched/core.c:7234
__schedule_loop kernel/sched/core.c:7311 [inline]
schedule+0x164/0x2b0 kernel/sched/core.c:7326
schedule_timeout+0x152/0x2c0 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x30c/0x11f0 kernel/rcu/tree.c:2123
rcu_gp_kthread+0x9e/0x2b0 kernel/rcu/tree.c:2325
kthread+0x388/0x470 kernel/kthread.c:436
ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:64
Code: 8c 76 02 e9 53 04 03 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d f3 c9 15 00 fb f4 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90
RSP: 0018:ffffc90000146e68 EFLAGS: 00000246
RAX: ffffffff8176219a RBX: 0000000000000003 RCX: ffff88801dad1f00
RDX: 0000000000000100 RSI: ffffffff8dfe0307 RDI: ffffffff8c2a9f80
RBP: 0000000000000003 R08: ffffffff9032d2f7 R09: 1ffffffff2065a5e
R10: dffffc0000000000 R11: fffffbfff2065a5f R12: 0000000000000200
R13: 0000000000000000 R14: ffff88807e310150 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff888125226000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0e94d2c080 CR3: 000000001af02000 CR4: 00000000003526f0
Call Trace:
arch_safe_halt arch/x86/include/asm/paravirt.h:62 [inline]
kvm_wait+0x10f/0x150 arch/x86/kernel/kvm.c:1096
pv_wait arch/x86/include/asm/paravirt-spinlock.h:83 [inline]
pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:466 [inline]
__pv_queued_spin_lock_slowpath+0x74a/0xbc0 kernel/locking/qspinlock.c:325
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt-spinlock.h:35 [inline]
queued_spin_lock_slowpath arch/x86/include/asm/paravirt-spinlock.h:66 [inline]
queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
do_raw_spin_lock+0x26c/0x2f0 kernel/locking/spinlock_debug.c:116
spin_lock_bh include/linux/spinlock.h:348 [inline]
cfg80211_inform_single_bss_data+0xc31/0x1be0 net/wireless/scan.c:2374
cfg80211_inform_bss_data+0x258/0x3c40 net/wireless/scan.c:3238
cfg80211_inform_bss_frame_data+0x3c7/0x730 net/wireless/scan.c:3329
ieee80211_bss_info_update+0x791/0xa50 net/mac80211/scan.c:230
ieee80211_scan_rx+0x552/0xa40 net/mac80211/scan.c:364
__ieee80211_rx_handle_packet net/mac80211/rx.c:5395 [inline]
ieee80211_rx_list+0x2b1d/0x3910 net/mac80211/rx.c:5688
ieee80211_rx_napi+0x1ad/0x3d0 net/mac80211/rx.c:5711
ieee80211_rx include/net/mac80211.h:5437 [inline]
ieee80211_handle_queued_frames+0xe4/0x1d0 net/mac80211/main.c:452
tasklet_action_common+0x2d7/0x490 kernel/softirq.c:938
handle_softirqs+0x225/0x840 kernel/softirq.c:622
run_ksoftirqd+0x36/0x60 kernel/softirq.c:1076
smpboot_thread_fn+0x57c/0xa80 kernel/smpboot.c:160
kthread+0x388/0x470 kernel/kthread.c:436
ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245