bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:17:63:2b:91:01, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5224/1:b..l P7188/1:b..l
rcu: (detected by 0, t=10503 jiffies, g=17101, q=449 ncpus=2)
task:syz.5.323 state:R running task stack:23744 pid:7188 tgid:7186 ppid:6116 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6935
preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6959
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
__raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
_raw_spin_unlock+0x3e/0x50 kernel/locking/spinlock.c:186
spin_unlock include/linux/spinlock.h:391 [inline]
zap_pte_range mm/memory.c:1705 [inline]
zap_pmd_range mm/memory.c:1753 [inline]
zap_pud_range mm/memory.c:1782 [inline]
zap_p4d_range mm/memory.c:1803 [inline]
unmap_page_range+0x37fa/0x4230 mm/memory.c:1824
unmap_vmas+0x3cc/0x5f0 mm/memory.c:1914
exit_mmap+0x275/0xc40 mm/mmap.c:1667
__mmput+0x115/0x390 kernel/fork.c:1347
exit_mm+0x220/0x310 kernel/exit.c:570
do_exit+0x9b2/0x28e0 kernel/exit.c:925
do_group_exit+0x207/0x2c0 kernel/exit.c:1087
get_signal+0x16b2/0x1750 kernel/signal.c:3016
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: 0033:0x7fa83677e41b
RSP: 002b:00007fa837513f60 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: fffffffffffffffc RBX: 0000000000000004 RCX: 00007fa83677e41b
RDX: 00007fa837514ff0 RSI: 0000000080085502 RDI: 0000000000000004
RBP: 00007fa8367f175e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000
R13: 00000000200008c0 R14: 00007fa836935fa0 R15: 00007fa836a5fa28
task:udevd state:R running task stack:21664 pid:5224 tgid:5224 ppid:1 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:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5853
Code: 2b 00 74 08 4c 89 f7 e8 6a ac 8f 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc9000401f6e0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff92000803ee8 RCX: ffff88807c47e4d8
RDX: dffffc0000000000 RSI: ffffffff8c0aea80 RDI: ffffffff8c614ae0
RBP: ffffc9000401f840 R08: ffffffff9431f887 R09: 1ffffffff2863f10
R10: dffffc0000000000 R11: fffffbfff2863f11 R12: 1ffff92000803ee4
R13: dffffc0000000000 R14: ffffc9000401f740 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
rcu_read_lock include/linux/rcupdate.h:849 [inline]
page_ext_get+0x3d/0x2a0 mm/page_ext.c:525
__page_table_check_zero+0xb1/0x350 mm/page_table_check.c:148
page_table_check_free include/linux/page_table_check.h:41 [inline]
free_pages_prepare mm/page_alloc.c:1128 [inline]
free_unref_page+0xe0e/0x1140 mm/page_alloc.c:2657
discard_slab mm/slub.c:2673 [inline]
__put_partials+0xeb/0x130 mm/slub.c:3142
put_cpu_partial+0x17c/0x250 mm/slub.c:3217
__slab_free+0x2ea/0x3d0 mm/slub.c:4468
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_kmalloc+0x23/0xb0 mm/kasan/common.c:385
kasan_kmalloc include/linux/kasan.h:260 [inline]
__kmalloc_cache_noprof+0x243/0x390 mm/slub.c:4314
kmalloc_noprof include/linux/slab.h:901 [inline]
kzalloc_noprof include/linux/slab.h:1037 [inline]
ref_tracker_alloc+0x14b/0x490 lib/ref_tracker.c:203
__netns_tracker_alloc include/net/net_namespace.h:335 [inline]
netns_tracker_alloc include/net/net_namespace.h:344 [inline]
get_net_track include/net/net_namespace.h:361 [inline]
sk_alloc+0x1c8/0x370 net/core/sock.c:2230
__netlink_create+0x65/0x260 net/netlink/af_netlink.c:629
netlink_create+0x3ab/0x560 net/netlink/af_netlink.c:687
__sock_create+0x4c0/0xa30 net/socket.c:1558
sock_create net/socket.c:1616 [inline]
__sys_socket_create net/socket.c:1653 [inline]
__sys_socket+0x150/0x3c0 net/socket.c:1700
__do_sys_socket net/socket.c:1714 [inline]
__se_sys_socket net/socket.c:1712 [inline]
__x64_sys_socket+0x7a/0x90 net/socket.c:1712
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe7e0b24bd7
RSP: 002b:00007ffe267ebf08 EFLAGS: 00000286 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007fe7e0b24bd7
RDX: 000000000000000f RSI: 0000000000080803 RDI: 0000000000000010
RBP: 000055f93d4b2910 R08: 000055f93d4c3ed0 R09: 000055f93d4b2910
R10: 0000000000000005 R11: 0000000000000286 R12: 000055f93d4c3d00
R13: 000055f93d4ca760 R14: 0000000000000001 R15: 000055f93d4b2910
rcu: rcu_preempt kthread starved for 10504 jiffies! g17101 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:25976 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: 0 UID: 0 PID: 35 Comm: kworker/u8:2 Not tainted 6.12.0-syzkaller-09435-g2c22dc1ee3a1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:should_resched arch/x86/include/asm/preempt.h:103 [inline]
RIP: 0010:__local_bh_enable_ip+0x170/0x200 kernel/softirq.c:389
Code: 8c e8 64 08 7a 0a 65 66 8b 05 74 a1 ab 7e 66 85 c0 75 5d bf 01 00 00 00 e8 4d bc 0b 00 e8 e8 71 45 00 fb 65 8b 05 38 a1 ab 7e <85> c0 75 05 e8 f7 83 a8 ff 48 c7 44 24 20 0e 36 e0 45 49 c7 04 1c
RSP: 0018:ffffc90000006920 EFLAGS: 00000282
RAX: 0000000080000101 RBX: 1ffff92000000d28 RCX: ffffffff81718fba
RDX: dffffc0000000000 RSI: ffffffff8c0ad8a0 RDI: ffffffff8c614ae0
RBP: ffffc900000069d0 R08: ffffffff9431f8ff R09: 1ffffffff2863f1f
R10: dffffc0000000000 R11: fffffbfff2863f20 R12: dffffc0000000000
R13: 1ffff92000000d2c R14: ffffc90000006960 R15: 0000000000000200
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f93d4ccd88 CR3: 000000005ddb0000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
local_bh_enable include/linux/bottom_half.h:33 [inline]
ip6t_do_table+0x1687/0x18a0 net/ipv6/netfilter/ip6_tables.c:375
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626
nf_hook include/linux/netfilter.h:269 [inline]
NF_HOOK+0x62c/0x7c0 include/linux/netfilter.h:312
br_nf_forward_ip+0x61e/0x7b0 net/bridge/br_netfilter_hooks.c:747
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_slow+0xc3/0x220 net/netfilter/core.c:626
nf_hook include/linux/netfilter.h:269 [inline]
NF_HOOK+0x2a7/0x460 include/linux/netfilter.h:312
__br_forward+0x489/0x660 net/bridge/br_forward.c:115
deliver_clone net/bridge/br_forward.c:131 [inline]
maybe_deliver+0xb3/0x150 net/bridge/br_forward.c:190
br_flood+0x2e4/0x660 net/bridge/br_forward.c:236
br_handle_frame_finish+0x18ba/0x1fe0 net/bridge/br_input.c:215
br_nf_hook_thresh+0x472/0x590
br_nf_pre_routing_finish_ipv6+0xaa0/0xdd0
NF_HOOK include/linux/netfilter.h:314 [inline]
br_nf_pre_routing_ipv6+0x379/0x770 net/bridge/br_netfilter_ipv6.c:184
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:5566
__netif_receive_skb_one_core net/core/dev.c:5670 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
process_backlog+0x662/0x15b0 net/core/dev.c:6117
__napi_poll+0xcb/0x490 net/core/dev.c:6877
napi_poll net/core/dev.c:6946 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:7068
handle_softirqs+0x2c5/0x980 kernel/softirq.c:554
do_softirq+0x11b/0x1e0 kernel/softirq.c:455
__local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382
ieee80211_rx_bss_info net/mac80211/ibss.c:1173 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1580 [inline]
ieee80211_ibss_rx_queued_mgmt+0x1b1b/0x2d70 net/mac80211/ibss.c:1607
ieee80211_iface_process_skb net/mac80211/iface.c:1616 [inline]
ieee80211_iface_work+0x8a5/0xf20 net/mac80211/iface.c:1670
cfg80211_wiphy_work+0x2db/0x490 net/wireless/core.c:440
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
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: 22437 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:17:63:2b:91:01, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:17:63:2b:91:01, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:17:63:2b:91:01, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:17:63:2b:91:01, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:17:63:2b:91:01, vlan:0)
net_ratelimit: 29251 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:17:63:2b:91:01, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:17:63:2b:91:01, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:17:63:2b:91:01, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:17:63:2b:91:01, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:17:63:2b:91:01, vlan:0)