ip6_tunnel: ip6gre4 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): P22286/1:b..l..
rcu: (detected by 0, t=10502 jiffies, g=93313, q=1802 ncpus=2)
task:syz.1.4001 state:R running task stack:28808 pid:22286 tgid:22276 ppid:18403 task_flags:0x400040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5583 [inline]
__schedule+0x17dd/0x5830 kernel/sched/core.c:7382
preempt_schedule_irq+0x4b/0x90 kernel/sched/core.c:7662
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:543 [inline]
irqentry_exit+0x14f/0x9b0 kernel/entry/common.c:154
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:lock_acquire+0x232/0x350 kernel/locking/lockdep.c:5947
Code: ff ff ff e8 20 99 5e 0a f7 44 24 10 00 02 00 00 0f 84 38 ff ff ff 65 48 8b 05 22 f3 1b 13 48 3b 44 24 50 75 33 fb 48 83 c4 58 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 3f ac 61 0a cc 48 8d 3d a7 90 fc
RSP: 0018:ffffc9000e74f7e0 EFLAGS: 00000292
RAX: 5dc21348ba3e6600 RBX: 0000000000000000 RCX: 0000000000000046
RDX: 00000000704ab5bb RSI: ffffffff8e92d57d RDI: ffffffff8c8e8c80
RBP: ffff8880b132be80 R08: ffffffff817879cf R09: 0000000000000000
R10: ffffc9000e74f918 R11: ffffffff81b3a880 R12: ffffffff8ff5a320
R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
rcu_read_lock include/linux/rcupdate.h:849 [inline]
class_rcu_constructor include/linux/rcupdate.h:1216 [inline]
unwind_next_frame+0xac/0x2550 arch/x86/kernel/unwind_orc.c:495
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:183
__reset_page_owner+0x73/0x2a0 mm/page_owner.c:338
reset_page_owner include/linux/page_owner.h:26 [inline]
__free_pages_prepare mm/page_alloc.c:1403 [inline]
__free_frozen_pages+0xc97/0xd90 mm/page_alloc.c:2954
__slab_free+0x269/0x2c0 mm/slub.c:5926
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:361
kasan_slab_alloc include/linux/kasan.h:253 [inline]
slab_post_alloc_hook mm/slub.c:4720 [inline]
slab_alloc_node mm/slub.c:5033 [inline]
kmem_cache_alloc_lru_noprof+0x29e/0x5f0 mm/slub.c:5066
sock_alloc_inode+0x2c/0x1a0 net/socket.c:330
alloc_inode+0x6a/0x1b0 fs/inode.c:338
new_inode_pseudo include/linux/fs.h:3051 [inline]
sock_alloc net/socket.c:710 [inline]
__sock_create+0x127/0xac0 net/socket.c:1643
sock_create net/socket.c:1737 [inline]
__sys_socket_create net/socket.c:1774 [inline]
__sys_socket+0xd6/0x1b0 net/socket.c:1821
__do_sys_socket net/socket.c:1835 [inline]
__se_sys_socket net/socket.c:1833 [inline]
__x64_sys_socket+0x7a/0x90 net/socket.c:1833
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f31ccfa0dc7
RSP: 002b:00007f31cb191f98 EFLAGS: 00000286 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007f31cd226270 RCX: 00007f31ccfa0dc7
RDX: 0000000000000010 RSI: 0000000000000003 RDI: 0000000000000010
RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000
R10: 00002000000002c0 R11: 0000000000000286 R12: 0000000000000000
R13: 00007f31cd226308 R14: 00007f31cd226270 R15: 00007ffcd2e56218
rcu: rcu_preempt kthread starved for 293 jiffies! g93313 f0x0 RCU_GP_WAIT_FQS(5) ->state=R ->cpu=1
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:27368 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5583 [inline]
__schedule+0x17dd/0x5830 kernel/sched/core.c:7382
__schedule_loop kernel/sched/core.c:7459 [inline]
schedule+0x164/0x2b0 kernel/sched/core.c:7474
schedule_timeout+0x152/0x2c0 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x30c/0x1230 kernel/rcu/tree.c:2122
rcu_gp_kthread+0x9c/0x340 kernel/rcu/tree.c:2330
kthread+0x38b/0x480 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 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 3228 Comm: kworker/R-bat_e Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
Workqueue: bat_events batadv_tt_purge
RIP: 0010:rcu_is_watching+0x72/0xb0 kernel/rcu/tree.c:755
Code: 98 4d c1 94 49 03 1e 48 89 d8 48 c1 e8 03 42 0f b6 04 38 84 c0 75 35 8b 03 65 48 ff 0d d7 9b 12 13 74 11 83 e0 04 c1 e8 02 5b <41> 5e 41 5f e9 15 55 58 0a cc e8 cf f1 85 ff eb e8 48 c7 c7 00 0c
RSP: 0018:ffffc90000a07d88 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffc90000a07e58 RCX: 8000000000000102
RDX: ffffffff92372001 RSI: ffffffff8c8e8c60 RDI: ffffffff8c8e8c20
RBP: 1ffffffff246e401 R08: ffffc9000dfffa58 R09: 0000000000000000
R10: ffffc90000a07e98 R11: fffff52000140fd5 R12: ffffc9000dff8000
R13: ffffffff817879cf R14: ffffffff8e9777d8 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff88812371f000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555672b74e8 CR3: 000000000fd48000 CR4: 00000000003526f0
Call Trace:
rcu_read_unlock include/linux/rcupdate.h:878 [inline]
class_rcu_destructor include/linux/rcupdate.h:1216 [inline]
unwind_next_frame+0x1b66/0x2550 arch/x86/kernel/unwind_orc.c:709
arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:57 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
unpoison_slab_object mm/kasan/common.c:351 [inline]
__kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:377
kasan_slab_alloc include/linux/kasan.h:253 [inline]
slab_post_alloc_hook mm/slub.c:4720 [inline]
slab_alloc_node mm/slub.c:5033 [inline]
kmem_cache_alloc_node_noprof+0x34f/0x600 mm/slub.c:5105
__alloc_skb+0x1db/0x7a0 net/core/skbuff.c:705
alloc_skb include/linux/skbuff.h:1390 [inline]
synproxy_send_client_synack_ipv6+0x16e/0xcd0 net/netfilter/nf_synproxy_core.c:883
nft_synproxy_eval_v6+0x362/0x4e0 net/netfilter/nft_synproxy.c:90
nft_synproxy_do_eval+0x3ff/0x5d0 net/netfilter/nft_synproxy.c:146
expr_call_ops_eval net/netfilter/nf_tables_core.c:237 [inline]
nft_do_chain+0x48d/0x1b10 net/netfilter/nf_tables_core.c:285
nft_do_chain_inet+0x360/0x4b0 net/netfilter/nft_chain_filter.c:162
nf_hook_entry_hookfn include/linux/netfilter.h:165 [inline]
nf_hook_slow+0xc5/0x220 net/netfilter/core.c:633
nf_hook include/linux/netfilter.h:280 [inline]
NF_HOOK+0x21f/0x3c0 include/linux/netfilter.h:323
ip6_input+0x16a/0x270 net/ipv6/ip6_input.c:545
NF_HOOK+0x336/0x3c0 include/linux/netfilter.h:325
__netif_receive_skb_one_core net/core/dev.c:6433 [inline]
__netif_receive_skb net/core/dev.c:6546 [inline]
process_backlog+0x795/0x18b0 net/core/dev.c:6897
__napi_poll+0xaa/0x330 net/core/dev.c:7977
napi_poll net/core/dev.c:8040 [inline]
net_rx_action+0x61d/0xf50 net/core/dev.c:8197
handle_softirqs+0x265/0x8d0 kernel/softirq.c:669
do_softirq+0x77/0xd0 kernel/softirq.c:569
__local_bh_enable_ip+0x100/0x140 kernel/softirq.c:473
spin_unlock_bh include/linux/spinlock.h:407 [inline]
batadv_tt_global_purge net/batman-adv/translation-table.c:2930 [inline]
batadv_tt_purge+0x4ee/0xa40 net/batman-adv/translation-table.c:4333
process_one_work kernel/workqueue.c:3495 [inline]
process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3578
rescuer_thread+0x84a/0x12a0 kernel/workqueue.c:3803
kthread+0x38b/0x480 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