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: 1-...!: (2 ticks this GP) idle=58dc/1/0x4000000000000000 softirq=29357/29357 fqs=4
rcu: (detected by 0, t=10503 jiffies, g=21897, q=948 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 5838 Comm: syz-executor Not tainted 6.15.0-rc7-syzkaller-00082-g5cdb2c77c4c3 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__lock_acquire+0x101/0xd20 kernel/locking/lockdep.c:5144
Code: f5 28 5c 8f 48 0f af f0 45 85 e4 0f 85 3e 01 00 00 45 85 ed 0f 84 35 01 00 00 41 83 fd 31 0f 83 ea 00 00 00 48 83 7c 24 58 00 <0f> 84 1f 01 00 00 48 8d 87 f0 0a 00 00 4a 8d 0c ad 00 00 00 00 4c
RSP: 0018:ffffc90000a074c0 EFLAGS: 00000046
RAX: 0000000000000aa5 RBX: ffff8880b89276d8 RCX: ffffffff931e76e0
RDX: 0000000000000001 RSI: 000000000000006d RDI: ffff888032848000
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: fffffbfff1efe64f R12: 0000000000000000
R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000
FS: 000055557a8bd500(0000) GS:ffff8881261c2000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2eab2e56c0 CR3: 0000000023e5a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5866
__raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
_raw_spin_lock_irq+0xa2/0xf0 kernel/locking/spinlock.c:170
__run_hrtimer kernel/time/hrtimer.c:1765 [inline]
__hrtimer_run_queues+0x602/0xc60 kernel/time/hrtimer.c:1825
hrtimer_interrupt+0x45b/0xaa0 kernel/time/hrtimer.c:1887
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
__sysvec_apic_timer_interrupt+0x108/0x410 arch/x86/kernel/apic/apic.c:1055
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210
Code: 89 fb e8 23 00 00 00 48 8b 3d 8c 22 d7 0b 48 89 de 5b e9 c3 67 57 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 04 24 65 48 8b 0c 25 08 e0 75 92 65 8b 15 48 ee
RSP: 0018:ffffc90000a079f8 EFLAGS: 00000246
RAX: ffffffff89d01e3c RBX: 0000000000000000 RCX: 0000000000000100
RDX: ffff888032848000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000a07d10 R08: ffffc90000a07c87 R09: 0000000000000000
R10: ffffc90000a07c40 R11: fffff52000140f91 R12: ffff888022798cc0
R13: dffffc0000000000 R14: 00000000cc36c85f R15: 000000000000775b
tcp_highest_sack_seq include/net/tcp.h:2189 [inline]
tcp_ack+0x5d7/0x62b0 net/ipv4/tcp_input.c:3995
tcp_rcv_established+0x7e4/0x1d10 net/ipv4/tcp_input.c:6301
tcp_v4_do_rcv+0xa23/0xce0 net/ipv4/tcp_ipv4.c:1925
tcp_v4_rcv+0x266e/0x2ef0 net/ipv4/tcp_ipv4.c:2363
ip_protocol_deliver_rcu+0x221/0x440 net/ipv4/ip_input.c:205
ip_local_deliver_finish+0x2fb/0x580 net/ipv4/ip_input.c:233
NF_HOOK+0x309/0x3a0 include/linux/netfilter.h:314
dst_input include/net/dst.h:469 [inline]
ip_sublist_rcv_finish+0x21d/0x2a0 net/ipv4/ip_input.c:578
ip_list_rcv_finish net/ipv4/ip_input.c:627 [inline]
ip_sublist_rcv+0x6e7/0x9b0 net/ipv4/ip_input.c:635
ip_list_rcv+0x3e2/0x430 net/ipv4/ip_input.c:669
__netif_receive_skb_list_ptype net/core/dev.c:5930 [inline]
__netif_receive_skb_list_core+0x7d2/0x800 net/core/dev.c:5977
__netif_receive_skb_list net/core/dev.c:6029 [inline]
netif_receive_skb_list_internal+0x975/0xcc0 net/core/dev.c:6120
gro_normal_list include/net/gro.h:532 [inline]
napi_complete_done+0x2f2/0x7c0 net/core/dev.c:6490
virtqueue_napi_complete drivers/net/virtio_net.c:737 [inline]
virtnet_poll+0x2385/0x2d70 drivers/net/virtio_net.c:3053
__napi_poll+0xc7/0x480 net/core/dev.c:7324
napi_poll net/core/dev.c:7388 [inline]
net_rx_action+0x6ea/0xdf0 net/core/dev.c:7510
handle_softirqs+0x286/0x870 kernel/softirq.c:579
__do_softirq kernel/softirq.c:613 [inline]
invoke_softirq kernel/softirq.c:453 [inline]
__irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
common_interrupt+0xbb/0xe0 arch/x86/kernel/irq.c:285
asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693
RIP: 0010:seqcount_lockdep_reader_access+0x17e/0x1c0 include/linux/seqlock.h:75
Code: 00 4d 85 e4 75 16 e8 a1 49 11 00 eb 15 e8 9a 49 11 00 e8 55 df a7 09 4d 85 e4 74 ea e8 8b 49 11 00 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 3e 00 00 00 00 66 43 c7 44 3e 09 00 00 43 c6 44 3e 0b 00
RSP: 0018:ffffc900044cf960 EFLAGS: 00000293
RAX: ffffffff81aea845 RBX: 0000000000000000 RCX: ffff888032848000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900044cfa18 R08: ffffffff8f7f3277 R09: 1ffffffff1efe64e
R10: dffffc0000000000 R11: fffffbfff1efe64f R12: 0000000000000200
R13: dffffc0000000000 R14: 1ffff92000899f2c R15: dffffc0000000000
ktime_get+0x3e/0x1f0 kernel/time/timekeeping.c:776
ktime_get_ns include/linux/timekeeping.h:174 [inline]
copy_process+0x215c/0x3b80 kernel/fork.c:2554
kernel_clone+0x21e/0x870 kernel/fork.c:2845
__do_sys_clone kernel/fork.c:2988 [inline]
__se_sys_clone kernel/fork.c:2972 [inline]
__x64_sys_clone+0x18b/0x1e0 kernel/fork.c:2972
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2eaa5851d3
Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00
RSP: 002b:00007ffcc24a6a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2eaa5851d3
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001
R10: 000055557a8bd7d0 R11: 0000000000000246 R12: 0000000000000000
R13: 00000000000927c0 R14: 0000000000027951 R15: 00007ffcc24a6c00
rcu: rcu_preempt kthread starved for 10078 jiffies! g21897 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:27304 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x16e2/0x4cd0 kernel/sched/core.c:6767
__schedule_loop kernel/sched/core.c:6845 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6860
schedule_timeout+0x12b/0x270 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x301/0x1540 kernel/rcu/tree.c:2046
rcu_gp_kthread+0x99/0x390 kernel/rcu/tree.c:2248
kthread+0x70e/0x8a0 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:
CPU: 0 UID: 0 PID: 8757 Comm: syz.4.804 Not tainted 6.15.0-rc7-syzkaller-00082-g5cdb2c77c4c3 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline]
RIP: 0010:smp_call_function_many_cond+0xe69/0x11c0 kernel/smp.c:885
Code: 00 45 8b 2f 44 89 ee 83 e6 01 31 ff e8 80 6d 0b 00 41 83 e5 01 49 bd 00 00 00 00 00 fc ff df 75 07 e8 2b 69 0b 00 eb 37 f3 90 <43> 0f b6 04 2c 84 c0 75 10 41 f7 07 01 00 00 00 74 1e e8 10 69 0b
RSP: 0018:ffffc90003c47520 EFLAGS: 00000293
RAX: ffffffff81b488c0 RBX: ffff8880b883ad40 RCX: ffff88801c768000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90003c47680 R08: ffffffff8f7f3277 R09: 1ffffffff1efe64e
R10: dffffc0000000000 R11: fffffbfff1efe64f R12: 1ffff11017127e99
R13: dffffc0000000000 R14: 0000000000000001 R15: ffff8880b893f4c8
FS: 00007f656a8356c0(0000) GS:ffff8881260c2000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f656a814d58 CR3: 0000000028d72000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1052
on_each_cpu include/linux/smp.h:71 [inline]
text_poke_sync arch/x86/kernel/alternative.c:2757 [inline]
text_poke_bp_batch+0x319/0x940 arch/x86/kernel/alternative.c:2967
text_poke_bp+0xaf/0x100 arch/x86/kernel/alternative.c:3194
__static_call_transform+0x4eb/0x750 arch/x86/kernel/static_call.c:111
arch_static_call_transform+0x98/0xc0 arch/x86/kernel/static_call.c:-1
__static_call_update+0xe4/0x5d0 kernel/static_call_inline.c:147
tracepoint_update_call kernel/tracepoint.c:271 [inline]
tracepoint_add_func+0x6f7/0xa10 kernel/tracepoint.c:319
tracepoint_probe_register_prio_may_exist+0x5f/0xa0 kernel/tracepoint.c:435
bpf_raw_tp_link_attach+0x4ff/0x6b0 kernel/bpf/syscall.c:4005
bpf_raw_tracepoint_open+0x178/0x1f0 kernel/bpf/syscall.c:4036
__sys_bpf+0x3cd/0x860 kernel/bpf/syscall.c:5876
__do_sys_bpf kernel/bpf/syscall.c:5941 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5939 [inline]
__x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5939
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f656998e969
Code: 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 01 48
RSP: 002b:00007f656a835038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f6569bb6160 RCX: 00007f656998e969
RDX: 0000000000000010 RSI: 0000200000000100 RDI: 0000000000000011
RBP: 00007f6569a10ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6569bb6160 R15: 00007ffc6d444fe8