ip6_tunnel: ip6gre3 xmit: Local address not yet configured!
ip6_tunnel: ip6gre3 xmit: Local address not yet configured!
ip6_tunnel: ip6gre3 xmit: Local address not yet configured!
ip6_tunnel: ip6gre6 xmit: Local address not yet configured!
ip6_tunnel: ip6gre2 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): P16431/1:b..l.. P4977/1:b..l.. P3327/1:b..l.. P16440/1:b..l..
rcu: (detected by 0, t=10502 jiffies, g=263625, q=1203 ncpus=1)
task:syz-executor state:R running task stack:26792 pid:16440 tgid:16440 ppid:12363 task_flags:0x40044c flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5584 [inline]
__schedule+0x1b47/0x5b40 kernel/sched/core.c:7387
preempt_schedule_common+0x7f/0xd0 kernel/sched/core.c:7566
preempt_schedule_thunk+0x16/0x40 arch/x86/entry/thunk.S:12
__raw_spin_unlock include/linux/spinlock_api_smp.h:201 [inline]
_raw_spin_unlock+0x41/0x50 kernel/locking/spinlock.c:213
spin_unlock include/linux/spinlock.h:401 [inline]
zap_pte_range mm/memory.c:2058 [inline]
zap_pmd_range mm/memory.c:2114 [inline]
zap_pud_range mm/memory.c:2142 [inline]
zap_p4d_range mm/memory.c:2163 [inline]
__zap_vma_range+0x40e1/0x4f70 mm/memory.c:2203
unmap_vmas+0x38b/0x550 mm/memory.c:2272
exit_mmap+0x293/0x9f0 mm/mmap.c:1315
__mmput+0x118/0x420 kernel/fork.c:1192
exit_mm+0x18e/0x240 kernel/exit.c:586
do_exit+0x6a8/0x2380 kernel/exit.c:967
do_group_exit+0x22d/0x2f0 kernel/exit.c:1123
get_signal+0x1216/0x12c0 kernel/signal.c:3112
arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
exit_to_user_mode_loop+0x10e/0x770 kernel/entry/common.c:101
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:343 [inline]
ret_from_fork+0x593/0xb70 arch/x86/kernel/process.c:167
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
task:kworker/u8:10 state:R running task stack:21544 pid:3327 tgid:3327 ppid:2 task_flags:0x24248060 flags:0x00080000
Workqueue: writeback wb_workfn (flush-8:0)
Call Trace:
context_switch kernel/sched/core.c:5584 [inline]
__schedule+0x1b47/0x5b40 kernel/sched/core.c:7387
preempt_schedule_irq+0x4b/0x90 kernel/sched/core.c:7667
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:524 [inline]
irqentry_exit+0x14f/0x920 kernel/entry/common.c:154
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:page_ext_iter_next_fast_possible include/linux/page_ext.h:79 [inline]
RIP: 0010:page_ext_iter_next include/linux/page_ext.h:162 [inline]
RIP: 0010:__page_table_check_zero+0x25e/0x430 mm/page_table_check.c:139
Code: 25 82 ff 4c 89 e7 4c 89 fe e8 8e 28 82 ff 4d 39 fc 0f 83 df 00 00 00 48 8b 44 24 08 4a 8d 1c 20 48 89 de 48 81 e6 ff 7f 00 00 <31> ff e8 6b 2b 82 ff 48 89 d8 48 25 ff 7f 00 00 74 37 e8 8b 25 82
RSP: 0018:ffffc9000e7ee9a8 EFLAGS: 00000206
RAX: 00000000000575c8 RBX: 00000000000575cc RCX: ffff888032a71f40
RDX: 0000000000000000 RSI: 00000000000075cc RDI: 0000000000000004
RBP: 0000000000000003 R08: ffff88801de4cfbf R09: 1ffff11003bc99f7
R10: dffffc0000000000 R11: ffffed1003bc99f8 R12: 0000000000000004
R13: ffff88801de4cf70 R14: 0000000000000003 R15: 0000000000000008
page_table_check_free include/linux/page_table_check.h:46 [inline]
__free_pages_prepare mm/page_alloc.c:1402 [inline]
__free_frozen_pages+0xca7/0xd90 mm/page_alloc.c:2952
__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_noprof+0x2b4/0x600 mm/slub.c:5047
ext4_init_io_end+0x29/0x130 fs/ext4/page-io.c:302
ext4_do_writepages+0xb59/0x4770 fs/ext4/inode.c:2879
ext4_writepages+0x1fe/0x4e0 fs/ext4/inode.c:3032
do_writepages+0x338/0x560 mm/page-writeback.c:2560
__writeback_single_inode+0x136/0x1220 fs/fs-writeback.c:1800
writeback_sb_inodes+0x9de/0x1af0 fs/fs-writeback.c:2111
__writeback_inodes_wb+0x114/0x240 fs/fs-writeback.c:2187
wb_writeback+0x42f/0xad0 fs/fs-writeback.c:2298
wb_check_old_data_flush fs/fs-writeback.c:2402 [inline]
wb_do_writeback fs/fs-writeback.c:2481 [inline]
wb_workfn+0xc92/0x10f0 fs/fs-writeback.c:2509
process_one_work kernel/workqueue.c:3495 [inline]
process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3578
worker_thread+0xa47/0xfb0 kernel/workqueue.c:3659
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
task:udevd state:R running task stack:23400 pid:4977 tgid:4977 ppid:1 task_flags:0x400140 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5584 [inline]
__schedule+0x1b47/0x5b40 kernel/sched/core.c:7387
preempt_schedule_irq+0x4b/0x90 kernel/sched/core.c:7667
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:524 [inline]
irqentry_exit+0x14f/0x920 kernel/entry/common.c:154
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:__update_page_owner_free_handle+0x12d/0x410 mm/page_owner.c:-1
Code: ff 06 4c 89 7c 24 18 44 0f b7 7c 24 04 bf 20 00 00 00 44 89 fe e8 c3 e9 83 ff 66 41 83 ff 1f 0f 87 ca 02 00 00 e8 63 e5 83 ff 01 00 00 00 44 89 f9 d3 e3 48 8b 7c 24 18 e8 ff b2 01 00 48 85
RSP: 0018:ffffc9000268f500 EFLAGS: 00000293
RAX: ffffffff8244b2ad RBX: 0000000000000001 RCX: ffff88807f648000
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000020
RBP: 0000000000000003 R08: ffffffff8244b1b7 R09: 0000000000000000
R10: 0000000000000010 R11: ffffffff81b33690 R12: 0000000000000003
R13: dffffc0000000000 R14: ffffffff8244b1b7 R15: 0000000000000003
__reset_page_owner+0xd2/0x2a0 mm/page_owner.c:339
reset_page_owner include/linux/page_owner.h:26 [inline]
__free_pages_prepare mm/page_alloc.c:1401 [inline]
__free_frozen_pages+0xc97/0xd90 mm/page_alloc.c:2952
__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]
__do_kmalloc_node mm/slub.c:5530 [inline]
__kmalloc_noprof+0x302/0x710 mm/slub.c:5556
_kmalloc_noprof include/linux/slab.h:995 [inline]
tomoyo_realpath_from_path+0xef/0x640 security/tomoyo/realpath.c:251
tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
tomoyo_path_perm+0x283/0x560 security/tomoyo/file.c:827
security_inode_getattr+0x12b/0x310 security/security.c:1942
vfs_getattr+0x23/0x70 fs/stat.c:263
vfs_statx_path+0x2b/0x230 fs/stat.c:303
vfs_statx+0x12e/0x200 fs/stat.c:360
vfs_fstatat+0x11b/0x170 fs/stat.c:377
__do_sys_newfstatat fs/stat.c:542 [inline]
__se_sys_newfstatat+0x118/0x3a0 fs/stat.c:536
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: 0033:0x7f362f111b0a
RSP: 002b:00007ffc19ec6548 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 000056273de08420 RCX: 00007f362f111b0a
RDX: 00007ffc19ec6550 RSI: 000056273ddf6ef3 RDI: 00000000ffffff9c
RBP: 000056276709e148 R08: 00063478c1c69200 R09: 3fffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffc19ec6550 R14: 0000000000000000 R15: 00063478c1c69200
task:syz.9.2392 state:R running task stack:25608 pid:16431 tgid:16431 ppid:6750 task_flags:0x40044c flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5584 [inline]
__schedule+0x1b47/0x5b40 kernel/sched/core.c:7387
preempt_schedule_common+0x7f/0xd0 kernel/sched/core.c:7566
preempt_schedule_thunk+0x16/0x40 arch/x86/entry/thunk.S:12
__raw_spin_unlock include/linux/spinlock_api_smp.h:201 [inline]
_raw_spin_unlock+0x41/0x50 kernel/locking/spinlock.c:213
spin_unlock include/linux/spinlock.h:401 [inline]
zap_pte_range mm/memory.c:2058 [inline]
zap_pmd_range mm/memory.c:2114 [inline]
zap_pud_range mm/memory.c:2142 [inline]
zap_p4d_range mm/memory.c:2163 [inline]
__zap_vma_range+0x40e1/0x4f70 mm/memory.c:2203
unmap_vmas+0x38b/0x550 mm/memory.c:2272
exit_mmap+0x293/0x9f0 mm/mmap.c:1315
__mmput+0x118/0x420 kernel/fork.c:1192
exit_mm+0x18e/0x240 kernel/exit.c:586
do_exit+0x6a8/0x2380 kernel/exit.c:967
do_group_exit+0x22d/0x2f0 kernel/exit.c:1123
get_signal+0x1216/0x12c0 kernel/signal.c:3112
arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
exit_to_user_mode_loop+0x10e/0x770 kernel/entry/common.c:101
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:343 [inline]
do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3d4659e199
RSP: 002b:00007ffc5b4f2748 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffff92 RBX: 0000000000165ec8 RCX: 00007f3d4659e199
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f3d4682618c
RBP: 0000000000000032 R08: 3fffffffffffffff R09: 0000000000000000
R10: 00007ffc5b4f2850 R11: 0000000000000246 R12: 00007ffc5b4f2870
R13: 00007f3d4682618c R14: 0000000000165efa R15: 00007ffc5b4f2850
rcu: rcu_preempt kthread starved for 668 jiffies! g263625 f0x0 RCU_GP_WAIT_FQS(5) ->state=R ->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:27496 pid:17 tgid:17 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5584 [inline]
__schedule+0x1b47/0x5b40 kernel/sched/core.c:7387
__schedule_loop kernel/sched/core.c:7464 [inline]
schedule+0x164/0x2b0 kernel/sched/core.c:7479
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:
CPU: 0 UID: 0 PID: 3225 Comm: kworker/R-bat_e Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
Workqueue: bat_events batadv_tt_purge
RIP: 0010:lock_acquire+0x232/0x350 kernel/locking/lockdep.c:5947
Code: ff ff ff e8 f0 b8 47 0a f7 44 24 10 00 02 00 00 0f 84 38 ff ff ff 65 48 8b 05 52 43 f2 11 48 3b 44 24 50 75 33 fb 48 83 c4 58 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 48 8d 3d a7 1a d9
RSP: 0018:ffffc900000068e0 EFLAGS: 00000292
RAX: fe98520dd944df00 RBX: 0000000000000000 RCX: 8000000000000301
RDX: 00000000b691b178 RSI: ffffffff8e6c05e7 RDI: ffffffff8c6df580
RBP: ffff8880325c3e80 R08: ffffffff8178599f R09: 0000000000000000
R10: ffffc90000006a18 R11: ffffffff81b33690 R12: ffffffff8ed5a260
R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000246
FS: 0000000000000000(0000) GS:ffff888124cc1000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc49283471b CR3: 000000000eb48000 CR4: 00000000003526f0
Call Trace:
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
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_noprof+0x2b4/0x600 mm/slub.c:5047
skb_clone+0x212/0x3a0 net/core/skbuff.c:2119
dev_queue_xmit_nit+0x28d/0xac0 net/core/dev.c:2636
xmit_one net/core/dev.c:3985 [inline]
dev_hard_start_xmit+0x1c1/0x830 net/core/dev.c:4005
__dev_queue_xmit+0x14d1/0x3920 net/core/dev.c:4994
dev_queue_xmit include/linux/netdevice.h:3462 [inline]
neigh_hh_output include/net/neighbour.h:538 [inline]
neigh_output include/net/neighbour.h:552 [inline]
ip_finish_output2+0xbda/0x10b0 net/ipv4/ip_output.c:236
NF_HOOK_COND include/linux/netfilter.h:314 [inline]
ip_output+0x29f/0x450 net/ipv4/ip_output.c:437
synproxy_send_client_synack+0x89b/0xde0 net/netfilter/nf_synproxy_core.c:487
nft_synproxy_eval_v4+0x362/0x4e0 net/netfilter/nft_synproxy.c:59
nft_synproxy_do_eval+0x389/0x5d0 net/netfilter/nft_synproxy.c:142
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_ipv4+0x195/0x290 net/netfilter/nft_chain_filter.c:24
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
NF_HOOK+0x336/0x3c0 include/linux/netfilter.h:325
__netif_receive_skb_one_core net/core/dev.c:6333 [inline]
__netif_receive_skb net/core/dev.c:6446 [inline]
process_backlog+0xa6b/0x18b0 net/core/dev.c:6797
__napi_poll+0xaa/0x330 net/core/dev.c:7866
napi_poll net/core/dev.c:7929 [inline]
net_rx_action+0x61d/0xf50 net/core/dev.c:8086
handle_softirqs+0x223/0x840 kernel/softirq.c:645
do_softirq+0x77/0xd0 kernel/softirq.c:546
__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:2880 [inline]
batadv_tt_purge+0x4ee/0xa40 net/batman-adv/translation-table.c:4270
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