bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:4d:74:9e:5b:5b, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P738/1:b..l
rcu: (detected by 0, t=10503 jiffies, g=43965, q=634 ncpus=2)
task:kworker/u8:5 state:R running task stack:22864 pid:738 tgid:738 ppid:2 flags:0x00004000
Workqueue: writeback wb_workfn (flush-8:0)
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0xe55/0x5730 kernel/sched/core.c:6690
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7012
irqentry_exit+0x36/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:rcu_read_unlock include/linux/rcupdate.h:878 [inline]
RIP: 0010:page_ext_put+0x4e/0xd0 mm/page_ext.c:550
Code: 91 92 ff 85 db 75 23 e8 e0 8e 92 ff 48 c7 c7 80 83 1b 8e 48 8d 35 00 00 00 00 e8 4d b0 6f ff e8 48 6c 79 ff 5b e9 c2 8e 92 ff bd 8e 92 ff e8 98 95 78 ff 31 ff 89 c3 89 c6 e8 8d 90 92 ff 84
RSP: 0018:ffffc900031bef38 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff81faf017
RDX: ffff888025035a00 RSI: 0000000000000000 RDI: 0000000000000005
RBP: ffff88801de62730 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000010fb9 R12: 00000000035004b2
R13: 0000000000000001 R14: 0000000000000000 R15: ffff88801de626e8
__reset_page_owner+0x28d/0x400 mm/page_owner.c:300
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1108 [inline]
free_unref_page+0x5f4/0xdc0 mm/page_alloc.c:2638
__put_partials+0x14c/0x170 mm/slub.c:3145
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x4e/0x120 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x192/0x1e0 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:247 [inline]
slab_post_alloc_hook mm/slub.c:4085 [inline]
slab_alloc_node mm/slub.c:4134 [inline]
kmem_cache_alloc_noprof+0x121/0x2f0 mm/slub.c:4141
new_handle fs/jbd2/transaction.c:461 [inline]
jbd2__journal_start+0x193/0x6a0 fs/jbd2/transaction.c:488
__ext4_journal_start_sb+0x358/0x660 fs/ext4/ext4_jbd2.c:112
__ext4_journal_start fs/ext4/ext4_jbd2.h:326 [inline]
ext4_do_writepages+0xb57/0x2fe0 fs/ext4/inode.c:2707
ext4_writepages+0x303/0x730 fs/ext4/inode.c:2813
do_writepages+0x1a3/0x7f0 mm/page-writeback.c:2683
__writeback_single_inode+0x166/0xfa0 fs/fs-writeback.c:1658
writeback_sb_inodes+0x603/0xfa0 fs/fs-writeback.c:1954
__writeback_inodes_wb+0xff/0x2e0 fs/fs-writeback.c:2025
wb_writeback+0x721/0xb50 fs/fs-writeback.c:2136
wb_check_old_data_flush fs/fs-writeback.c:2240 [inline]
wb_do_writeback fs/fs-writeback.c:2293 [inline]
wb_workfn+0x8c3/0xbc0 fs/fs-writeback.c:2321
process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
process_scheduled_works kernel/workqueue.c:3310 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
rcu: rcu_preempt kthread starved for 2005 jiffies! g43965 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:28400 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0xe55/0x5730 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
schedule_timeout+0x136/0x2a0 kernel/time/timer.c:2615
rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2045
rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2247
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 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: 0 UID: 0 PID: 3976 Comm: kworker/u8:8 Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:rcu_read_lock include/linux/rcupdate.h:850 [inline]
RIP: 0010:net_generic+0x105/0x2a0 include/net/netns/generic.h:45
Code: f7 48 c7 c7 80 83 1b 8e 48 8d 35 00 00 00 00 e8 e1 0c 73 f7 e8 dc c8 7c f7 48 89 e8 5b 5d 41 5c c3 cc cc cc cc e8 4b eb 95 f7 26 f2 7b f7 31 ff 41 89 c4 89 c6 e8 1a ed 95 f7 45 84 e4 0f 85
RSP: 0018:ffffc90000007428 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 000000000000004a RCX: ffffffff89f792f7
RDX: ffff8880313a1e00 RSI: ffffffff89f793b5 RDI: 0000000000000005
RBP: ffff88805ede1dc0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
R13: ffff88815bfe36dc R14: 0000000000000000 R15: ffffc90000007550
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8b61dffffc CR3: 0000000062d42000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
is_pppoe_ip net/bridge/br_netfilter_hooks.c:122 [inline]
br_nf_forward+0x1bc/0x1bd0 net/bridge/br_netfilter_hooks.c:797
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_slow+0xbb/0x200 net/netfilter/core.c:626
nf_hook+0x474/0x7d0 include/linux/netfilter.h:269
NF_HOOK include/linux/netfilter.h:312 [inline]
__br_forward+0x1be/0x5b0 net/bridge/br_forward.c:115
deliver_clone+0x5b/0xa0 net/bridge/br_forward.c:131
maybe_deliver+0xa7/0x120 net/bridge/br_forward.c:190
br_flood+0x17e/0x5c0 net/bridge/br_forward.c:236
br_handle_frame_finish+0xda5/0x1c80 net/bridge/br_input.c:215
nf_hook_bridge_pre net/bridge/br_input.c:299 [inline]
br_handle_frame+0xd96/0x1490 net/bridge/br_input.c:424
__netif_receive_skb_core.constprop.0+0xa3d/0x4330 net/core/dev.c:5560
__netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5664
__netif_receive_skb+0x1d/0x160 net/core/dev.c:5779
process_backlog+0x443/0x15f0 net/core/dev.c:6111
__napi_poll.constprop.0+0xb7/0x550 net/core/dev.c:6775
napi_poll net/core/dev.c:6844 [inline]
net_rx_action+0xa92/0x1010 net/core/dev.c:6966
handle_softirqs+0x213/0x8f0 kernel/softirq.c:554
do_softirq kernel/softirq.c:455 [inline]
do_softirq+0xb2/0xf0 kernel/softirq.c:442
__local_bh_enable_ip+0x100/0x120 kernel/softirq.c:382
spin_unlock_bh include/linux/spinlock.h:396 [inline]
cfg80211_put_bss+0x1b4/0x280 net/wireless/scan.c:3308
ieee80211_rx_bss_put net/mac80211/scan.c:37 [inline]
ieee80211_rx_bss_put+0x43/0x60 net/mac80211/scan.c:32
ieee80211_rx_bss_info net/mac80211/ibss.c:1172 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1579 [inline]
ieee80211_ibss_rx_queued_mgmt+0x1a14/0x2f40 net/mac80211/ibss.c:1606
ieee80211_iface_process_skb net/mac80211/iface.c:1603 [inline]
ieee80211_iface_work+0xc0b/0xf00 net/mac80211/iface.c:1657
cfg80211_wiphy_work+0x3d9/0x550 net/wireless/core.c:440
process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229
process_scheduled_works kernel/workqueue.c:3310 [inline]
worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
kthread+0x2c1/0x3a0 kernel/kthread.c:389
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
net_ratelimit: 10543 callbacks suppressed
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:4d:74:9e:5b:5b, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:4d:74:9e:5b:5b, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)