ip6_tunnel: ip6gre1 xmit: Local address not yet configured!
ip6_tunnel: ip6gre1 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): P36/1:b..l
rcu: (detected by 1, t=10502 jiffies, g=23925, q=441 ncpus=2)
task:kworker/u8:2 state:R running task stack:22344 pid:36 tgid:36 ppid:2 task_flags:0x4208160 flags:0x00004000
Workqueue: bat_events batadv_nc_worker
Call Trace:
context_switch kernel/sched/core.c:5397 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6786
preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7109
irqentry_exit+0x6f/0x90 kernel/entry/common.c:307
asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707
RIP: 0010:lock_acquire+0x175/0x360 kernel/locking/lockdep.c:5875
Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 9b 13 02 11 <48> 3b 44 24 58 0f 85 f2 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc90000ac7980 EFLAGS: 00000206
RAX: 603c70e936449700 RBX: 0000000000000000 RCX: 603c70e936449700
RDX: 0000000000000000 RSI: ffffffff8db869c3 RDI: ffffffff8be29d80
RBP: ffffffff8b3d1642 R08: 0000000000000000 R09: ffffffff8b3d1642
R10: dffffc0000000000 R11: ffffffff8b3d1570 R12: 0000000000000002
R13: ffffffff8e13f0e0 R14: 0000000000000000 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
rcu_read_lock include/linux/rcupdate.h:841 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
batadv_nc_worker+0xef/0x610 net/batman-adv/network-coding.c:719
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3321
worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402
kthread+0x711/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g23925 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: Possible timer handling issue on cpu=0 timer-softirq=10948
rcu: rcu_preempt kthread starved for 10502 jiffies! g23925 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:27304 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5397 [inline]
__schedule+0x16f5/0x4d00 kernel/sched/core.c:6786
__schedule_loop kernel/sched/core.c:6864 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6879
schedule_timeout+0x12b/0x270 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x301/0x1540 kernel/rcu/tree.c:2054
rcu_gp_kthread+0x99/0x390 kernel/rcu/tree.c:2256
kthread+0x711/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
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: 2 Comm: kthreadd Not tainted 6.16.0-rc6-syzkaller-00002-g155a3c003e55 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:taprio_set_budgets+0x1bc/0x3b0 net/sched/sch_taprio.c:669
Code: 31 f8 41 bd ff ff ff 7f 4d 89 f7 e9 9c 00 00 00 e8 d9 51 31 f8 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 <4d> 89 f7 74 08 4c 89 ef e8 d7 d1 94 f8 4d 69 6d 00 e8 03 00 00 4c
RSP: 0018:ffffc90000007c00 EFLAGS: 00000046
RAX: 1ffff1100a62e281 RBX: 0000000000000004 RCX: dffffc0000000000
RDX: 0000000000010000 RSI: 0000000004000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888053171483 R09: 1ffff1100a62e290
R10: dffffc0000000000 R11: ffffed100a62e291 R12: 0000000000000001
R13: ffff888053171408 R14: ffff888053171400 R15: 0000000004000000
FS: 0000000000000000(0000) GS:ffff888125c1b000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000040 CR3: 000000005cebe000 CR4: 0000000000350ef0
Call Trace:
advance_sched+0x963/0xc90 net/sched/sch_taprio.c:977
__run_hrtimer kernel/time/hrtimer.c:1761 [inline]
__hrtimer_run_queues+0x52c/0xc60 kernel/time/hrtimer.c:1825
hrtimer_interrupt+0x45b/0xaa0 kernel/time/hrtimer.c:1887
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1039 [inline]
__sysvec_apic_timer_interrupt+0x10b/0x410 arch/x86/kernel/apic/apic.c:1056
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1050
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:32 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:109 [inline]
RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:127 [inline]
RIP: 0010:lock_is_held_type+0x68/0x190 kernel/locking/lockdep.c:5939
Code: 00 00 65 4c 8b 2c 25 08 50 a0 92 41 83 bd ec 0a 00 00 00 0f 85 d8 00 00 00 89 f5 49 89 fe 48 c7 04 24 00 00 00 00 9c 8f 04 24 <4c> 8b 24 24 fa 48 c7 c7 4f c6 9a 8d e8 e7 16 00 00 65 ff 05 d0 43
RSP: 0018:ffffc90000077118 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 0000000000000000
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffffff8e8e3248
RBP: 00000000ffffffff R08: ffff88801cd7be27 R09: 1ffff110039af7c4
R10: dffffc0000000000 R11: ffffed10039af7c5 R12: 00000000051a0008
R13: ffff8881404c1e00 R14: ffffffff8e8e3248 R15: ffff8881404c1e00
lock_is_held include/linux/lockdep.h:249 [inline]
depot_fetch_stack+0x31/0xc0 lib/stackdepot.c:448
inc_stack_record_count mm/page_owner.c:197 [inline]
__set_page_owner+0x141/0x4a0 mm/page_owner.c:333
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1704
prep_new_page mm/page_alloc.c:1712 [inline]
get_page_from_freelist+0x21e4/0x22c0 mm/page_alloc.c:3669
__alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:4959
alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2419
alloc_frozen_pages_noprof mm/mempolicy.c:2490 [inline]
alloc_pages_noprof+0xa9/0x190 mm/mempolicy.c:2510
vm_area_alloc_pages mm/vmalloc.c:3642 [inline]
__vmalloc_area_node mm/vmalloc.c:3720 [inline]
__vmalloc_node_range_noprof+0x97d/0x12f0 mm/vmalloc.c:3893
__vmalloc_node_noprof+0xc2/0x110 mm/vmalloc.c:3956
alloc_thread_stack_node kernel/fork.c:317 [inline]
dup_task_struct+0x3e7/0x860 kernel/fork.c:877
copy_process+0x544/0x3b80 kernel/fork.c:1999
kernel_clone+0x21e/0x870 kernel/fork.c:2599
kernel_thread+0x10c/0x160 kernel/fork.c:2661
create_kthread kernel/kthread.c:487 [inline]
kthreadd+0x575/0x770 kernel/kthread.c:847
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245