bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P4975/1:b..l P17083/1:b..l P5282/1:b..l P5356/1:b..l
rcu: (detected by 0, t=10502 jiffies, g=257349, q=1614 ncpus=2)
task:crond state:R running task stack:24568 pid:5356 tgid:5356 ppid:1 task_flags:0x400000 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5504 [inline]
__schedule+0x17d9/0x56c0 kernel/sched/core.c:7228
preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7552
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
irqentry_exit+0x14f/0x8f0 kernel/entry/common.c:167
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:unwind_next_frame+0x19cf/0x2550 arch/x86/kernel/unwind_orc.c:-1
Code: 00 00 48 0f bf 03 49 01 c0 49 8d 56 40 4c 89 f7 4c 89 c6 e8 33 0e 00 00 84 c0 0f 84 4e 01 00 00 48 bb 00 00 00 00 00 fc ff df <48> 8b 44 24 10 0f b6 04 18 84 c0 0f 85 7b 08 00 00 40 b5 01 8b 44
RSP: 0018:ffffc900036ff820 EFLAGS: 00000202
RAX: 1ffff920006dff01 RBX: dffffc0000000000 RCX: 0000000000000001
RDX: ffffc900036ff908 RSI: dffffc0000000000 RDI: ffffc900036ffdb0
RBP: 1ffffffff21aaa3b R08: ffffc900036ffdb0 R09: 0000000000000000
R10: ffffc900036ff918 R11: fffff520006dff25 R12: dffffc0000000000
R13: ffffffff90d551d9 R14: ffffc900036ff8c8 R15: ffffc900036ff910
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+0xc0d/0xd20 mm/page_alloc.c:2938
__slab_free+0x274/0x2c0 mm/slub.c:5672
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:4610 [inline]
slab_alloc_node mm/slub.c:4939 [inline]
kmem_cache_alloc_noprof+0x2b8/0x650 mm/slub.c:4946
alloc_filename fs/namei.c:147 [inline]
do_getname+0x2e/0x250 fs/namei.c:187
class_filename_flags_constructor include/linux/fs.h:2566 [inline]
do_sys_openat2+0xcc/0x200 fs/open.c:1394
do_sys_open fs/open.c:1401 [inline]
__do_sys_openat fs/open.c:1417 [inline]
__se_sys_openat fs/open.c:1412 [inline]
__x64_sys_openat+0x138/0x170 fs/open.c:1412
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: 0033:0x7f4fefb74c3a
RSP: 002b:00007ffd82b19028 EFLAGS: 00000206 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000055c33f1182a0 RCX: 00007f4fefb74c3a
RDX: 0000000000080000 RSI: 00007f4fefc1145a RDI: 00000000ffffff9c
RBP: 0000000000000008 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000206 R12: 00007f4fefc0f7f4
R13: 00007f4fefc0f7f4 R14: 0000000000000001 R15: 000000000000002a
task:dhcpcd state:R running task stack:22072 pid:5282 tgid:5282 ppid:5281 task_flags:0x400140 flags:0x00080800
Call Trace:
context_switch kernel/sched/core.c:5504 [inline]
__schedule+0x17d9/0x56c0 kernel/sched/core.c:7228
preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7552
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
irqentry_exit+0x14f/0x8f0 kernel/entry/common.c:167
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:__reset_page_owner+0x55/0x1f0 mm/page_owner.c:311
Code: 0f 84 52 01 00 00 48 8b 0d 98 e2 70 0c 48 8d 1c 08 48 83 c3 08 48 89 d9 48 c1 e9 03 48 ba 00 00 00 00 00 fc ff df 0f b6 0c 11 <84> c9 0f 85 49 01 00 00 8b 1b 48 89 c7 e8 59 b8 01 00 bf 00 20 00
RSP: 0018:ffffc900034ff940 EFLAGS: 00000a02
RAX: ffff88801d4f0780 RBX: ffff88801d4f0790 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff940002980c7 R12: ffffea00014c0600
R13: 1ffffd40002980c1 R14: ffffea00014c0600 R15: 00000111e8ca8521
reset_page_owner include/linux/page_owner.h:25 [inline]
__free_pages_prepare mm/page_alloc.c:1397 [inline]
__free_frozen_pages+0xc0d/0xd20 mm/page_alloc.c:2938
__slab_free+0x274/0x2c0 mm/slub.c:5672
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_kmalloc+0x22/0xb0 mm/kasan/common.c:406
kasan_kmalloc include/linux/kasan.h:263 [inline]
__kmalloc_cache_noprof+0x318/0x660 mm/slub.c:5451
_kmalloc_noprof include/linux/slab.h:969 [inline]
_kzalloc_noprof include/linux/slab.h:1286 [inline]
ref_tracker_alloc+0x15b/0x4b0 lib/ref_tracker.c:270
__netns_tracker_alloc include/net/net_namespace.h:367 [inline]
netns_tracker_alloc include/net/net_namespace.h:376 [inline]
get_net_track+0x16e/0x230 include/net/net_namespace.h:393
sk_alloc+0x1da/0x390 net/core/sock.c:2325
unix_create1+0xb0/0x7c0 net/unix/af_unix.c:-1
unix_create+0x14c/0x1d0 net/unix/af_unix.c:1167
__sock_create+0x4b3/0x9d0 net/socket.c:1651
sock_create net/socket.c:1709 [inline]
__sys_socketpair+0x1c4/0x560 net/socket.c:1856
__do_sys_socketpair net/socket.c:1909 [inline]
__se_sys_socketpair net/socket.c:1906 [inline]
__x64_sys_socketpair+0x9b/0xb0 net/socket.c:1906
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: 0033:0x7f9a5e79f73a
RSP: 002b:00007fff4d1ce1b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000035
RAX: ffffffffffffffda RBX: 0000556bd9700710 RCX: 00007f9a5e79f73a
RDX: 0000000000000000 RSI: 0000000000080805 RDI: 0000000000000001
RBP: 00007fff4d1ee5e0 R08: 0000000000000000 R09: 0000000000000001
R10: 00007fff4d1ce1d0 R11: 0000000000000246 R12: 00007fff4d1ce1d0
R13: 0000000000000001 R14: 0000000000000000 R15: 0000556bba4eeac0
task:kworker/u8:27 state:R running task stack:21656 pid:17083 tgid:17083 ppid:2 task_flags:0x24248160 flags:0x00080000
Workqueue: writeback wb_workfn (flush-8:0)
Call Trace:
context_switch kernel/sched/core.c:5504 [inline]
__schedule+0x17d9/0x56c0 kernel/sched/core.c:7228
preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7552
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
irqentry_exit+0x14f/0x8f0 kernel/entry/common.c:167
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:deref_stack_reg arch/x86/kernel/unwind_orc.c:422 [inline]
RIP: 0010:unwind_next_frame+0xcbc/0x2550 arch/x86/kernel/unwind_orc.c:614
Code: c0 20 c8 3c 01 0f 85 76 0e 00 00 48 89 d7 e8 eb 23 00 00 48 89 c3 49 bc 00 00 00 00 00 fc ff df 48 8b 44 24 20 42 80 3c 20 00 <4d> 8d 7e 48 74 08 4c 89 ff e8 56 9d ba 00 49 89 1f 48 8b 44 24 38
RSP: 0018:ffffc900051ee700 EFLAGS: 00000246
RAX: 1ffff92000a3dcfe RBX: ffffffff823b0521 RCX: 1ffff92000a3dc01
RDX: ffffc900051eea18 RSI: 0000000000000002 RDI: ffffc900051eea18
RBP: 1ffffffff21a8e09 R08: ffffc900051eea20 R09: 0000000000000000
R10: ffffc900051ee7f8 R11: ffffffff81b10630 R12: dffffc0000000000
R13: ffffc900051f0000 R14: ffffc900051ee7a8 R15: ffffc900051e8000
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+0xc0d/0xd20 mm/page_alloc.c:2938
__slab_free+0x274/0x2c0 mm/slub.c:5672
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:4610 [inline]
slab_alloc_node mm/slub.c:4939 [inline]
kmem_cache_alloc_noprof+0x2b8/0x650 mm/slub.c:4946
ext4_init_io_end+0x29/0x130 fs/ext4/page-io.c:310
ext4_do_writepages+0xc06/0x47a0 fs/ext4/inode.c:2889
ext4_writepages+0x241/0x3b0 fs/ext4/inode.c:3042
do_writepages+0x338/0x560 mm/page-writeback.c:2571
__writeback_single_inode+0x12e/0xf90 fs/fs-writeback.c:1787
writeback_sb_inodes+0x9de/0x1b00 fs/fs-writeback.c:2079
__writeback_inodes_wb+0x114/0x240 fs/fs-writeback.c:2155
wb_writeback+0x42f/0xad0 fs/fs-writeback.c:2266
wb_check_old_data_flush fs/fs-writeback.c:2370 [inline]
wb_do_writeback fs/fs-writeback.c:2449 [inline]
wb_workfn+0xc92/0x10f0 fs/fs-writeback.c:2477
process_one_work kernel/workqueue.c:3314 [inline]
process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3397
worker_thread+0xa47/0xfb0 kernel/workqueue.c:3478
kthread+0x388/0x470 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
task:klogd state:R running task stack:23632 pid:4975 tgid:4975 ppid:1 task_flags:0x400100 flags:0x00080800
Call Trace:
context_switch kernel/sched/core.c:5504 [inline]
__schedule+0x17d9/0x56c0 kernel/sched/core.c:7228
preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:7409
preempt_schedule_thunk+0x16/0x40 arch/x86/entry/thunk.S:12
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline]
_raw_spin_unlock_irqrestore+0x74/0x80 kernel/locking/spinlock.c:198
spin_unlock_irqrestore include/linux/spinlock.h:408 [inline]
__wake_up_common_lock+0x195/0x1f0 kernel/sched/wait.c:127
sock_def_readable+0x1eb/0x550 net/core/sock.c:3656
unix_dgram_sendmsg+0xd30/0x17b0 net/unix/af_unix.c:2292
sock_sendmsg_nosec net/socket.c:775 [inline]
__sock_sendmsg net/socket.c:790 [inline]
__sys_sendto+0x626/0x6c0 net/socket.c:2252
__do_sys_sendto net/socket.c:2259 [inline]
__se_sys_sendto net/socket.c:2255 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2255
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: 0033:0x7f489aacd407
RSP: 002b:00007fffaf0d35d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f489a97dc80 RCX: 00007f489aacd407
RDX: 00000000000000a0 RSI: 00007fffaf0d3710 RDI: 0000000000000003
RBP: 00007fffaf0d3b40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000202 R12: 00007fffaf0d3b58
R13: 00007fffaf0d3710 R14: 0000000000000085 R15: 00007fffaf0d3710
rcu: rcu_preempt kthread starved for 393 jiffies! g257349 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->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:28408 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5504 [inline]
__schedule+0x17d9/0x56c0 kernel/sched/core.c:7228
__schedule_loop kernel/sched/core.c:7307 [inline]
schedule+0x164/0x360 kernel/sched/core.c:7322
schedule_timeout+0x152/0x2c0 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x30c/0x11f0 kernel/rcu/tree.c:2123
rcu_gp_kthread+0x9e/0x2b0 kernel/rcu/tree.c:2325
kthread+0x388/0x470 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 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 30774 Comm: kworker/u8:29 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Workqueue: wg-kex-wg0 wg_packet_handshake_send_worker
RIP: 0010:kasan_mem_to_shadow include/linux/kasan.h:65 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:140 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:172 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:191 [inline]
RIP: 0010:kasan_check_range+0x48/0x2c0 mm/kasan/generic.c:200
Code: 39 f8 0f 82 36 02 00 00 49 b9 00 00 00 00 00 80 ff ff eb 0d cc cc cc 49 b9 00 00 00 00 00 00 00 ff 4c 39 cf 0f 82 14 02 00 00 <49> 89 ff 49 c1 ef 03 49 ba 00 00 00 00 00 fc ff df 4f 8d 1c 17 49
RSP: 0018:ffffc90000a088a8 EFLAGS: 00000002
RAX: 0000000000000001 RBX: ffffffff9a6ce958 RCX: ffffffff81a266bd
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff9a6ce958
RBP: ffff88804c42d700 R08: ffffffff9a6ce95c R09: ffff800000000000
R10: dffffc0000000000 R11: fffff52000141114 R12: dffffc0000000000
R13: ffff888179f9b000 R14: ffffffff9a6ce95c R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff88812537c000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd5d6be8158 CR3: 0000000012624000 CR4: 00000000003526f0
Call Trace:
instrument_atomic_read include/linux/instrumented.h:82 [inline]
atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline]
queued_spin_is_locked include/asm-generic/qspinlock.h:57 [inline]
debug_spin_unlock kernel/locking/spinlock_debug.c:101 [inline]
do_raw_spin_unlock+0x4d/0x210 kernel/locking/spinlock_debug.c:141
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:177 [inline]
_raw_spin_unlock_irqrestore+0x23/0x80 kernel/locking/spinlock.c:198
__debug_check_no_obj_freed lib/debugobjects.c:1163 [inline]
debug_check_no_obj_freed+0x39e/0x450 lib/debugobjects.c:1184
slab_free_hook mm/slub.c:2631 [inline]
slab_free mm/slub.c:6310 [inline]
kmem_cache_free+0xfd/0x650 mm/slub.c:6437
kfree_skb_reason include/linux/skbuff.h:1325 [inline]
kfree_skb include/linux/skbuff.h:1334 [inline]
ip6_mc_input+0x909/0xbc0 net/ipv6/ip6_input.c:638
NF_HOOK+0x336/0x3c0 include/linux/netfilter.h:318
__netif_receive_skb_one_core net/core/dev.c:6206 [inline]
__netif_receive_skb net/core/dev.c:6319 [inline]
process_backlog+0x774/0x1860 net/core/dev.c:6670
__napi_poll+0xaa/0x330 net/core/dev.c:7729
napi_poll net/core/dev.c:7792 [inline]
net_rx_action+0x61d/0xf50 net/core/dev.c:7949
handle_softirqs+0x225/0x840 kernel/softirq.c:622
do_softirq+0x76/0xd0 kernel/softirq.c:523
__local_bh_enable_ip+0xf8/0x130 kernel/softirq.c:450
blake2s_compress+0xfa/0x1c00 lib/crypto/x86/blake2s.h:42
blake2s_update+0x140/0x450 lib/crypto/blake2s.c:119
hmac+0x2d1/0x3b0 drivers/net/wireguard/noise.c:332
kdf+0xff/0x290 drivers/net/wireguard/noise.c:360
mix_precomputed_dh drivers/net/wireguard/noise.c:426 [inline]
wg_noise_handshake_create_initiation+0x460/0x810 drivers/net/wireguard/noise.c:560
wg_packet_send_handshake_initiation drivers/net/wireguard/send.c:34 [inline]
wg_packet_handshake_send_worker+0x18c/0x370 drivers/net/wireguard/send.c:51
process_one_work kernel/workqueue.c:3314 [inline]
process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3397
worker_thread+0xa47/0xfb0 kernel/workqueue.c:3478
kthread+0x388/0x470 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
net_ratelimit: 18424 callbacks suppressed
bridge0: received packet on veth1_to_bridge with own address as source address (addr:16:1e:20:3a:20:4d, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:16:1e:20:3a:20:4d, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:16:1e:20:3a:20:4d, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
net_ratelimit: 29848 callbacks suppressed
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:16:1e:20:3a:20:4d, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:16:1e:20:3a:20:4d, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:16:1e:20:3a:20:4d, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:16:1e:20:3a:20:4d, vlan:0)