ip6_tunnel: ip6gretap0 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): P12684/1:b..l P24623/3:b..l
rcu: (detected by 1, t=10502 jiffies, g=109601, q=225 ncpus=2)
task:syz-executor state:R running task stack:27080 pid:24623 tgid:24623 ppid:5834 task_flags:0x400040 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1b33/0x51f0 kernel/sched/core.c:6767
preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6947
preempt_schedule+0xe4/0xf0 kernel/sched/core.c:6971
preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
__raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
_raw_spin_unlock+0x3e/0x50 kernel/locking/spinlock.c:186
spin_unlock include/linux/spinlock.h:391 [inline]
filemap_map_pages+0x13d4/0x1900 mm/filemap.c:3748
do_fault_around mm/memory.c:5476 [inline]
do_read_fault mm/memory.c:5509 [inline]
do_fault mm/memory.c:5652 [inline]
do_pte_missing mm/memory.c:4160 [inline]
handle_pte_fault+0x3d6d/0x61c0 mm/memory.c:5997
__handle_mm_fault mm/memory.c:6140 [inline]
handle_mm_fault+0x1030/0x1aa0 mm/memory.c:6309
do_user_addr_fault arch/x86/mm/fault.c:1337 [inline]
handle_page_fault arch/x86/mm/fault.c:1480 [inline]
exc_page_fault+0x45b/0x920 arch/x86/mm/fault.c:1538
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f6fcf339777
RSP: 002b:00007fff1458ddf0 EFLAGS: 00010246
RAX: 000000000000004c RBX: 00007fff1458e350 RCX: 00007f6fcf438ba0
RDX: 0000000000000000 RSI: 00007f6fcf4121a6 RDI: 00007fff1458e640
RBP: 0000000000000016 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000000 R12: 000000000000006c
R13: 00007fff1458e4d0 R14: 0000000000000000 R15: 0000000000000000
task:kworker/u8:29 state:R running task stack:21032 pid:12684 tgid:12684 ppid:2 task_flags:0x4208060 flags:0x00004000
Workqueue: bat_events batadv_nc_worker
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1b33/0x51f0 kernel/sched/core.c:6767
preempt_schedule_irq+0xfe/0x1c0 kernel/sched/core.c:7090
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707
RIP: 0010:rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
RIP: 0010:rcu_read_lock include/linux/rcupdate.h:841 [inline]
RIP: 0010:batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
RIP: 0010:batadv_nc_worker+0xd4/0x610 net/batman-adv/network-coding.c:719
Code: 89 f7 e8 3f ad 38 f6 4a 8d 2c ed 00 00 00 00 4c 89 f3 49 03 2e e8 4c 41 b7 f5 48 8d 05 00 00 00 00 48 c7 c7 20 df d3 8e 31 f6 <31> d2 b9 02 00 00 00 45 31 c0 45 31 c9 48 89 44 24 10 50 e8 34 ae
RSP: 0018:ffffc9000483fab8 EFLAGS: 00000246
RAX: ffffffff8bf1b81b RBX: ffff88802a03a540 RCX: ffff8880316b5a00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8ed3df20
RBP: ffff88807eb31d90 R08: ffffffff8bf1b94e R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88806dc10d80
R13: 00000000000003b2 R14: ffff88802a03a540 R15: dffffc0000000000
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xac3/0x18e0 kernel/workqueue.c:3319
worker_thread+0x870/0xd50 kernel/workqueue.c:3400
kthread+0x7b7/0x940 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
rcu: rcu_preempt kthread timer wakeup didn't happen for 10499 jiffies! g109601 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: Possible timer handling issue on cpu=0 timer-softirq=51124
rcu: rcu_preempt kthread starved for 10500 jiffies! g109601 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:26688 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1b33/0x51f0 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0x163/0x360 kernel/sched/core.c:6860
schedule_timeout+0x15b/0x2b0 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x2e1/0x1340 kernel/rcu/tree.c:2046
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2248
kthread+0x7b7/0x940 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
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: 24605 Comm: syz.7.8293 Not tainted 6.15.0-rc3-syzkaller-00001-g9d7a0577c9db #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:advance_sched+0x5ad/0xca0 net/sched/sch_taprio.c:964
Code: 4d 39 e6 75 25 e8 83 bf a4 f7 48 bb ff ff ff ff ff ff ff 7f 49 bc 00 00 00 00 00 fc ff df 4c 8b 74 24 28 48 8b 6c 24 40 eb 49 5e bf a4 f7 49 bc 00 00 00 00 00 fc ff df 48 8b 44 24 48 42 80
RSP: 0018:ffffc90000007c70 EFLAGS: 00000087
RAX: 0000000000010000 RBX: ffff88805b12dd30 RCX: ffff88807c231e00
RDX: ffff88807c231e00 RSI: 0000000004000000 RDI: 0000000000000000
RBP: 1ffff1100b625e80 R08: ffffffff8a1dfcd3 R09: fffff52000000f7c
R10: dffffc0000000000 R11: fffff52000000f7c R12: 0000000004000000
R13: ffff88805b12f400 R14: 0000000000000000 R15: 0000000000000000
FS: 00007f284548b6c0(0000) GS:ffff888124fcf000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556984c808 CR3: 000000004a5f8000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__run_hrtimer kernel/time/hrtimer.c:1761 [inline]
__hrtimer_run_queues+0x5a6/0xd40 kernel/time/hrtimer.c:1825
hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1887
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
__sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202
Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 aa 05 74 f5 48 89 df e8 e2 ae 74 f5 e8 0d 3c a0 f5 fb bf 01 00 00 00 12 90 65 f5 65 8b 05 3b 9e 3a 07 85 c0 74 06 5b c3 cc cc cc cc
RSP: 0018:ffffc90002e57c70 EFLAGS: 00000286
RAX: 77a458894e4bf400 RBX: ffff8880267d0940 RCX: ffffffff81caacec
RDX: 0000000000000000 RSI: ffffffff8e635648 RDI: 0000000000000001
RBP: ffffc90002e57db0 R08: ffffffff905ebb77 R09: 1ffffffff20bd76e
R10: dffffc0000000000 R11: fffffbfff20bd76f R12: 0000000000000021
R13: 1ffff11004cfa1bb R14: ffff8880267d0dd8 R15: ffff8880267d0940
spin_unlock_irq include/linux/spinlock.h:401 [inline]
get_signal+0x14d2/0x1730 kernel/signal.c:3037
arch_do_signal_or_restart+0x98/0x810 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218
do_syscall_64+0x100/0x210 arch/x86/entry/syscall_64.c:100
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f284458e167
Code: ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 <0f> 05 48 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89
RSP: 002b:00007f284548b0e8 EFLAGS: 00000246
RAX: 00000000000000ca RBX: 00007f28447b5fa8 RCX: 00007f284458e169
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f28447b5fa8
RBP: 00007f28447b5fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f28447b5fac
R13: 0000000000000000 R14: 00007ffc490fe5d0 R15: 00007ffc490fe6b8