ip6_tunnel: ip6erspan0 xmit: Local address not yet configured!
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P14323/1:b..l
rcu: (detected by 1, t=10503 jiffies, g=292085, q=1014 ncpus=2)
task:syz-executor state:R running task stack:22456 pid:14323 tgid:14323 ppid:14314 task_flags:0x400140 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5504 [inline]
__schedule+0x17d9/0x56c0 kernel/sched/core.c:7228
preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7552
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
irqentry_exit+0x14f/0x8f0 kernel/entry/common.c:167
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:rcu_read_lock include/linux/rcupdate.h:841 [inline]
RIP: 0010:class_rcu_constructor include/linux/rcupdate.h:1183 [inline]
RIP: 0010:unwind_next_frame+0xb0/0x2550 arch/x86/kernel/unwind_orc.c:495
Code: 34 00 4c 8d 2d 00 00 00 00 48 c7 c7 20 9a 95 8e 31 f6 31 d2 b9 02 00 00 00 45 31 c0 45 31 c9 41 55 e8 f4 1d 2b 00 48 83 c4 08 3b 38 31 0a 85 c0 74 3a e8 92 47 34 00 84 c0 75 31 e8 29 38 31
RSP: 0018:ffffc90006fdf3a0 EFLAGS: 00000296
RAX: 440c7a996b968100 RBX: ffffffff8185a2d6 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff8c291100 RDI: ffffffff8c2910c0
RBP: 1ffff92000dfbe90 R08: 0000000000000000 R09: 0000000000000000
R10: ffffc90006fdf498 R11: ffffffff81b10630 R12: dffffc0000000000
R13: ffffffff8176a21f R14: ffffc90006fdf448 R15: 1ffff92000dfbe89
arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
save_stack+0x122/0x230 mm/page_owner.c:165
__reset_page_owner+0x71/0x1f0 mm/page_owner.c:320
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1397 [inline]
__free_frozen_pages+0xc0d/0xd20 mm/page_alloc.c:2938
__slab_free+0x274/0x2c0 mm/slub.c:5672
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x99/0x100 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:350
kasan_slab_alloc include/linux/kasan.h:253 [inline]
slab_post_alloc_hook mm/slub.c:4610 [inline]
slab_alloc_node mm/slub.c:4939 [inline]
__do_kmalloc_node mm/slub.c:5333 [inline]
__kvmalloc_node_noprof+0x4cf/0x890 mm/slub.c:6833
alloc_fdtable+0x101/0x2c0 fs/file.c:219
dup_fd+0x7fe/0xaf0 fs/file.c:420
copy_files+0xaf/0x120 kernel/fork.c:1658
copy_process+0x1cda/0x42e0 kernel/fork.c:2275
kernel_clone+0x2d7/0x940 kernel/fork.c:2745
__do_sys_clone kernel/fork.c:2886 [inline]
__se_sys_clone kernel/fork.c:2870 [inline]
__x64_sys_clone+0x1b6/0x230 kernel/fork.c:2870
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efcdc3c58d2
RSP: 002b:00007ffe25a251e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007ffe25a251e0 RCX: 00007efcdc3c58d2
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007ffe25a2536c R08: 0000000000000000 R09: 0000000000000001
R10: 000055558631d7d0 R11: 0000000000000246 R12: 0000000000000001
R13: 0000555586330a00 R14: 0000000000151b8d R15: 00007ffe25a253c0
rcu: rcu_preempt kthread starved for 2057 jiffies! g292085 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:28040 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5504 [inline]
__schedule+0x17d9/0x56c0 kernel/sched/core.c:7228
__schedule_loop kernel/sched/core.c:7307 [inline]
schedule+0x164/0x360 kernel/sched/core.c:7322
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:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 21096 Comm: kworker/u8:2 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Workqueue: 0x0 (events_unbound)
RIP: 0010:__raw_callee_save___pv_queued_spin_unlock+0x10/0x18
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 52 b8 01 00 00 00 31 d2 f0 0f b0 17 <75> 06 5a c3 cc cc cc cc 56 0f b6 f0 e8 9f ff ff ff 5e 5a c3 cc cc
RSP: 0018:ffffc90000007e88 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffff888055ba8158 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888055ba8158
RBP: 1ffff1100ab7502c R08: ffff888055ba815b R09: 1ffff1100ab7502b
R10: dffffc0000000000 R11: ffffed100ab7502c R12: dffffc0000000000
R13: 1ffff1100ab7502d R14: ffff888055ba8168 R15: ffff888055ba8160
FS: 0000000000000000(0000) GS:ffff88812527c000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe9ae29e30 CR3: 0000000031aba000 CR4: 00000000003526f0
Call Trace:
pv_queued_spin_unlock arch/x86/include/asm/paravirt-spinlock.h:40 [inline]
queued_spin_unlock arch/x86/include/asm/paravirt-spinlock.h:72 [inline]
do_raw_spin_unlock+0xf5/0x210 kernel/locking/spinlock_debug.c:142
__raw_spin_unlock include/linux/spinlock_api_smp.h:168 [inline]
_raw_spin_unlock+0x1e/0x50 kernel/locking/spinlock.c:190
spin_unlock include/linux/spinlock.h:390 [inline]
net_tx_action+0x985/0xc30 net/core/dev.c:5859
handle_softirqs+0x225/0x840 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0xca/0x220 kernel/softirq.c:735
irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1062
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:local_clock+0x0/0x30 kernel/sched/clock.c:318
Code: 48 c7 c7 e0 be 81 8e 48 89 de e8 1b 22 51 03 e9 3f ff ff ff 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 65 ff 05 35 5e 9c 11 e8 20 f2 09 0a 65 ff 0d 29 5e 9c
RSP: 0018:ffffc9000f8cf698 EFLAGS: 00000293
RAX: ffffffff823b04c8 RBX: ffffea0002987ce8 RCX: ffff88802f3fdd00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002987cc0
RBP: 0000000000000000 R08: ffffea0002987cf7 R09: 1ffffd4000530f9e
R10: dffffc0000000000 R11: fffff94000530f9f R12: ffffea0002987cc0
R13: 1ffffd4000530f99 R14: ffffea0002987cc0 R15: 0000000000000000
__reset_page_owner+0x1d/0x1f0 mm/page_owner.c:304
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1397 [inline]
__free_frozen_pages+0xc0d/0xd20 mm/page_alloc.c:2938
__slab_free+0x274/0x2c0 mm/slub.c:5672
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x99/0x100 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
__kasan_kmalloc+0x22/0xb0 mm/kasan/common.c:406
kasan_kmalloc include/linux/kasan.h:263 [inline]
__do_kmalloc_node mm/slub.c:5334 [inline]
__kmalloc_node_track_caller_noprof+0x4d7/0x7b0 mm/slub.c:5438
kvasprintf+0xeb/0x1a0 lib/kasprintf.c:25
__kthread_create_on_node+0x1b3/0x3d0 kernel/kthread.c:491
kthread_create_on_node+0xeb/0x140 kernel/kthread.c:559
create_worker+0x2e3/0x7b0 kernel/workqueue.c:2853
maybe_create_worker kernel/workqueue.c:3113 [inline]
manage_workers kernel/workqueue.c:3190 [inline]
worker_thread+0x4c9/0xfb0 kernel/workqueue.c:3453
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