bridge0: received packet on veth0_to_bridge with own address as source address (addr:46:69:4f:cf:9e:46, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P14647/1:b..l
rcu: (detected by 1, t=10503 jiffies, g=47617, q=566 ncpus=2)
task:syz.4.2557 state:R running task stack:23608 pid:14647 tgid:14644 ppid:5839 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7078
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:preempt_count_add+0x11a/0x190 kernel/sched/core.c:5843
Code: 75 74 83 3d db 22 ac 0e 00 75 19 90 48 c7 c7 20 2c 0a 8c 48 c7 c6 60 2c 0a 8c e8 e1 95 f2 ff 90 0f 0b 90 90 90 e9 5c ff ff ff <48> c7 c1 c0 c9 3a 9a 80 e1 07 80 c1 03 38 c1 0f 8c fe fe ff ff 48
RSP: 0018:ffffc90003026cb0 EFLAGS: 00000202
RAX: 0000000000000004 RBX: 0000000000000001 RCX: ffffc90003027320
RDX: dffffc0000000000 RSI: ffffffff8205b3e3 RDI: 0000000000000001
RBP: ffffc90003026dd8 R08: 0000000000000006 R09: ffffc90003026e90
R10: ffffc90003026df0 R11: ffffffff818b4a10 R12: dffffc0000000000
R13: ffffc90003026da0 R14: ffffffff8205b3e3 R15: dffffc0000000000
unwind_next_frame+0xb0/0x22d0 arch/x86/kernel/unwind_orc.c:479
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
save_stack+0xfb/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x76/0x430 mm/page_owner.c:297
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_unref_page+0xd3f/0x1010 mm/page_alloc.c:2659
discard_slab mm/slub.c:2688 [inline]
__put_partials+0x160/0x1c0 mm/slub.c:3157
put_cpu_partial+0x17c/0x250 mm/slub.c:3232
__slab_free+0x290/0x380 mm/slub.c:4483
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4119 [inline]
slab_alloc_node mm/slub.c:4168 [inline]
kmem_cache_alloc_node_noprof+0x1d9/0x380 mm/slub.c:4220
kmalloc_reserve+0xa8/0x2a0 net/core/skbuff.c:587
__alloc_skb+0x1f3/0x440 net/core/skbuff.c:678
alloc_skb include/linux/skbuff.h:1323 [inline]
mgmt_alloc_skb net/bluetooth/mgmt_util.c:64 [inline]
mgmt_send_event+0x46/0x1a0 net/bluetooth/mgmt_util.c:116
mgmt_limited_event net/bluetooth/mgmt.c:333 [inline]
new_settings net/bluetooth/mgmt.c:1311 [inline]
__mgmt_power_off+0x2da/0x430 net/bluetooth/mgmt.c:9593
hci_dev_close_sync+0x6c4/0x11c0 net/bluetooth/hci_sync.c:5209
hci_dev_do_close net/bluetooth/hci_core.c:482 [inline]
hci_unregister_dev+0x20b/0x510 net/bluetooth/hci_core.c:2697
vhci_release+0x80/0xd0 drivers/bluetooth/hci_vhci.c:664
__fput+0x23c/0xa50 fs/file_table.c:450
task_work_run+0x24f/0x310 kernel/task_work.c:239
exit_task_work include/linux/task_work.h:43 [inline]
do_exit+0xa2a/0x28e0 kernel/exit.c:938
do_group_exit+0x207/0x2c0 kernel/exit.c:1087
get_signal+0x16b2/0x1750 kernel/signal.c:3017
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4381185d29
RSP: 002b:00007f4381fc5038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: 0000000000000070 RBX: 00007f4381376080 RCX: 00007f4381185d29
RDX: 0000000000000000 RSI: 0000000020000300 RDI: 000000000000000a
RBP: 00007f4381201b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4381376080 R15: 00007fff8b9de318
rcu: rcu_preempt kthread starved for 9187 jiffies! g47617 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:24600 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2045
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2247
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Not tainted 6.13.0-rc6-syzkaller-00134-g76201b597976 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:26 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:183 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:246 [inline]
RIP: 0010:__sanitizer_cov_trace_const_cmp1+0x11/0x90 kernel/kcov.c:300
Code: 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 4c 8b 04 24 65 48 8b 14 25 00 d6 03 00 <65> 8b 05 d0 4e 64 7e 25 00 01 ff 00 74 10 3d 00 01 00 00 75 5b 83
RSP: 0018:ffffc900001e71a8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff88801d2f8000
RDX: ffff88801d2f8000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff8a9c658f R09: 0000000000000000
R10: ffff888180444510 R11: ffffed10300888a6 R12: 1ffff9200003ce74
R13: ffff888180443640 R14: dffffc0000000000 R15: ffffc900001e73a0
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1f99c6b729 CR3: 000000000e736000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
skb_ext_exist include/linux/skbuff.h:4876 [inline]
skb_ext_find include/linux/skbuff.h:4887 [inline]
nf_bridge_info_get include/linux/netfilter_bridge.h:30 [inline]
setup_pre_routing+0x4f/0x430 net/bridge/br_netfilter_hooks.c:479
br_nf_pre_routing_ipv6+0x15f/0x770 net/bridge/br_netfilter_ipv6.c:175
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_bridge_pre net/bridge/br_input.c:277 [inline]
br_handle_frame+0x9fd/0x1530 net/bridge/br_input.c:424
__netif_receive_skb_core+0x14eb/0x4690 net/core/dev.c:5598
__netif_receive_skb_one_core net/core/dev.c:5702 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5817
process_backlog+0x662/0x15b0 net/core/dev.c:6149
__napi_poll+0xcb/0x490 net/core/dev.c:6902
napi_poll net/core/dev.c:6971 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:7093
handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561
run_ksoftirqd+0xca/0x130 kernel/softirq.c:950
smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
net_ratelimit: 68521 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:46:69:4f:cf:9e:46, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:46:69:4f:cf:9e:46, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:46:69:4f:cf:9e:46, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:46:69:4f:cf:9e:46, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:46:69:4f:cf:9e:46, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:46:69:4f:cf:9e:46, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:46:69:4f:cf:9e:46, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:46:69:4f:cf:9e:46, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:46:69:4f:cf:9e:46, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:46:69:4f:cf:9e:46, vlan:0)