ip6_tunnel: ip6gretap1 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): P7820/1:b..l
rcu: (detected by 1, t=10503 jiffies, g=23521, q=354660 ncpus=2)
task:syz.0.476 state:R running task stack:28536 pid:7820 tgid:7817 ppid:5630 task_flags:0x400040 flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5388 [inline]
__schedule+0x1821/0x5740 kernel/sched/core.c:7189
preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7513
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
irqentry_exit+0x14f/0x8b0 kernel/entry/common.c:164
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:unwind_next_frame+0x1416/0x2550 arch/x86/kernel/unwind_orc.c:670
Code: 24 4d 89 3c 24 41 0f b6 44 2d 00 84 c0 0f 85 fd 0e 00 00 c6 03 00 48 8b 5c 24 28 4c 8b 64 24 18 4c 8b 7c 24 38 48 8b 44 24 48 <0f> b6 04 28 84 c0 0f 85 41 0c 00 00 41 0f b6 04 2f 84 c0 0f 85 5c
RSP: 0018:ffffc900055576f8 EFLAGS: 00000246
RAX: 1ffffffff21a5fa4 RBX: ffffc90005557818 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff90d2fd20
RBP: dffffc0000000000 R08: ffffc90005557827 R09: 0000000000000000
R10: ffffc90005557818 R11: fffff52000aaaf05 R12: ffffc90005557bd8
R13: 1ffff92000aaaefb R14: ffffc900055577c8 R15: 1ffffffff21a5fa4
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+0xc1c/0xd30 mm/page_alloc.c:2938
__slab_free+0x274/0x2c0 mm/slub.c:5613
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:4570 [inline]
slab_alloc_node mm/slub.c:4899 [inline]
__do_kmalloc_node mm/slub.c:5295 [inline]
__kmalloc_noprof+0x316/0x760 mm/slub.c:5308
kmalloc_noprof include/linux/slab.h:954 [inline]
kzalloc_noprof include/linux/slab.h:1188 [inline]
lsm_blob_alloc security/security.c:218 [inline]
lsm_sock_alloc security/security.c:4478 [inline]
security_sk_alloc+0x52/0x360 security/security.c:4494
sk_prot_alloc+0x101/0x210 net/core/sock.c:2250
sk_alloc+0x3a/0x390 net/core/sock.c:2303
__netlink_create+0x65/0x260 net/netlink/af_netlink.c:627
netlink_create+0x3ca/0x590 net/netlink/af_netlink.c:685
__sock_create+0x4b2/0x9d0 net/socket.c:1664
sock_create net/socket.c:1722 [inline]
__sys_socket_create net/socket.c:1759 [inline]
__sys_socket+0xd6/0x1b0 net/socket.c:1806
__do_sys_socket net/socket.c:1820 [inline]
__se_sys_socket net/socket.c:1818 [inline]
__x64_sys_socket+0x7a/0x90 net/socket.c:1818
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: 0033:0x7fa641d9ce59
RSP: 002b:00007fa642bc4028 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007fa642016090 RCX: 00007fa641d9ce59
RDX: 0000000000000010 RSI: 0000000000000003 RDI: 0000000000000010
RBP: 00007fa641e32d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa642016128 R14: 00007fa642016090 R15: 00007ffe178451d8
rcu: rcu_preempt kthread starved for 317 jiffies! g23521 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:27544 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5388 [inline]
__schedule+0x1821/0x5740 kernel/sched/core.c:7189
__schedule_loop kernel/sched/core.c:7268 [inline]
schedule+0x164/0x360 kernel/sched/core.c:7283
schedule_timeout+0x158/0x2c0 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x312/0x11d0 kernel/rcu/tree.c:2095
rcu_gp_kthread+0x9e/0x2b0 kernel/rcu/tree.c:2297
kthread+0x389/0x470 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: 6453 Comm: kworker/u8:15 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: wg-kex-wg2 wg_packet_handshake_send_worker
RIP: 0010:ip_rcv_finish+0x0/0x2a0 net/ipv4/ip_input.c:479
Code: 8b 54 24 18 e9 46 f9 ff ff e8 cc 3e b9 f7 90 0f 0b 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 55 41 57 41 56 41 55 41 54 53 48 89 d3 49 89 fe 48 bd
RSP: 0018:ffffc90000007ad8 EFLAGS: 00000246
RAX: ffffffff8a0c620f RBX: 0000000000000001 RCX: ffff888030cc9f00
RDX: ffff8881690c23c0 RSI: 0000000000000000 RDI: ffff888034988000
RBP: ffffc90000007c00 R08: ffff888030cc9f00 R09: 0000000000000004
R10: 0000000000000003 R11: ffffffff8a0c77f0 R12: 1ffff92000000f64
R13: ffffc90000007b40 R14: 0000000000000001 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff88812528b000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558a4e6a38 CR3: 0000000074786000 CR4: 00000000003526f0
Call Trace:
NF_HOOK+0x336/0x3c0 include/linux/netfilter.h:318
__netif_receive_skb_one_core net/core/dev.c:6203 [inline]
__netif_receive_skb net/core/dev.c:6316 [inline]
process_backlog+0xaa3/0x1950 net/core/dev.c:6667
__napi_poll+0xae/0x340 net/core/dev.c:7726
napi_poll net/core/dev.c:7789 [inline]
net_rx_action+0x627/0xf70 net/core/dev.c:7946
handle_softirqs+0x22a/0x840 kernel/softirq.c:622
do_softirq+0x76/0xd0 kernel/softirq.c:523
__local_bh_enable_ip+0xf8/0x130 kernel/softirq.c:450
blake2s_compress+0xf9/0x1eb0 lib/crypto/x86/blake2s.h:42
blake2s_update+0x14b/0x450 lib/crypto/blake2s.c:119
hmac+0x1fc/0x3b0 drivers/net/wireguard/noise.c:324
kdf+0x126/0x2b0 drivers/net/wireguard/noise.c:367
mix_precomputed_dh drivers/net/wireguard/noise.c:426 [inline]
wg_noise_handshake_create_initiation+0x473/0x830 drivers/net/wireguard/noise.c:560
wg_packet_send_handshake_initiation drivers/net/wireguard/send.c:34 [inline]
wg_packet_handshake_send_worker+0x18d/0x350 drivers/net/wireguard/send.c:51
process_one_work kernel/workqueue.c:3314 [inline]
process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3397
worker_thread+0xa53/0xfc0 kernel/workqueue.c:3478
kthread+0x389/0x470 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