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): P9871/1:b..l
rcu: (detected by 0, t=10503 jiffies, g=41053, q=1070 ncpus=2)
task:syz.4.1034 state:R running task stack:25944 pid:9871 tgid:9870 ppid:5636 task_flags:0x400140 flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5388 [inline]
__schedule+0x17b4/0x5680 kernel/sched/core.c:7189
preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7513
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:547 [inline]
irqentry_exit+0x14f/0x730 kernel/entry/common.c:164
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:lock_acquire+0x221/0x350 kernel/locking/lockdep.c:5872
Code: ff ff ff e8 51 f4 06 0a f7 44 24 08 00 02 00 00 0f 84 3a ff ff ff 65 48 8b 05 3b 7f 97 11 48 3b 44 24 58 75 33 fb 48 83 c4 60 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 48 8d 3d c8 5e 92
RSP: 0018:ffffc9001bbff018 EFLAGS: 00000286
RAX: 49c16336ce609100 RBX: 0000000000000000 RCX: 0000000000000046
RDX: 0000000082650634 RSI: ffffffff8e219dc8 RDI: ffffffff8c28ade0
RBP: ffffffff8176f256 R08: ffffffff8176f256 R09: ffffffff8e95cd60
R10: ffffc9001bbff178 R11: ffffffff81b0e910 R12: 0000000000000002
R13: ffffffff8e95cd60 R14: 0000000000000000 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:300 [inline]
rcu_read_lock include/linux/rcupdate.h:838 [inline]
class_rcu_constructor include/linux/rcupdate.h:1181 [inline]
unwind_next_frame+0xc3/0x2550 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
save_stack+0x122/0x230 mm/page_owner.c:165
__set_page_owner+0x8d/0x4c0 mm/page_owner.c:341
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x231/0x280 mm/page_alloc.c:1858
prep_new_page mm/page_alloc.c:1866 [inline]
get_page_from_freelist+0x24ba/0x2540 mm/page_alloc.c:3946
__alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5226
__alloc_pages_noprof+0x10/0x100 mm/page_alloc.c:5260
alloc_pages_bulk_noprof+0x5ff/0x7c0 mm/page_alloc.c:5180
___alloc_pages_bulk mm/kasan/shadow.c:345 [inline]
__kasan_populate_vmalloc_do mm/kasan/shadow.c:370 [inline]
__kasan_populate_vmalloc+0xc1/0x1d0 mm/kasan/shadow.c:424
kasan_populate_vmalloc include/linux/kasan.h:580 [inline]
alloc_vmap_area+0xd47/0x1480 mm/vmalloc.c:2123
__get_vm_area_node+0x1f8/0x300 mm/vmalloc.c:3226
__vmalloc_node_range_noprof+0x36a/0x1750 mm/vmalloc.c:4024
vmalloc_user_noprof+0xad/0xe0 mm/vmalloc.c:4218
xskq_create+0xbf/0x170 net/xdp/xsk_queue.c:49
xsk_init_queue+0x8a/0xe0 net/xdp/xsk.c:1264
xsk_setsockopt+0x603/0x990 net/xdp/xsk.c:1616
do_sock_setsockopt+0x17c/0x1b0 net/socket.c:2381
__sys_setsockopt net/socket.c:2406 [inline]
__do_sys_setsockopt net/socket.c:2412 [inline]
__se_sys_setsockopt net/socket.c:2409 [inline]
__x64_sys_setsockopt+0x13d/0x1b0 net/socket.c:2409
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbc5df9ce59
RSP: 002b:00007fbc5eef6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fbc5e215fa0 RCX: 00007fbc5df9ce59
RDX: 0000000000000002 RSI: 000000000000011b RDI: 0000000000000003
RBP: 00007fbc5e032d6f R08: 0000000000000004 R09: 0000000000000000
R10: 0000200000000040 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fbc5e216038 R14: 00007fbc5e215fa0 R15: 00007ffd11f36438
rcu: rcu_preempt kthread starved for 3692 jiffies! g41053 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:27968 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5388 [inline]
__schedule+0x17b4/0x5680 kernel/sched/core.c:7189
__schedule_loop kernel/sched/core.c:7268 [inline]
schedule+0x164/0x360 kernel/sched/core.c:7283
schedule_timeout+0x158/0x2c0 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x312/0x11d0 kernel/rcu/tree.c:2095
rcu_gp_kthread+0x9e/0x2b0 kernel/rcu/tree.c:2297
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: 3230 Comm: kworker/R-bat_e Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: bat_events batadv_tt_purge
RIP: 0010:__rcu_read_unlock+0x38/0xe0 kernel/rcu/tree_plugin.h:435
Code: bf 00 00 00 00 00 fc ff df 65 48 8b 3d 29 a3 8d 11 48 8d 9f c4 04 00 00 49 89 dc 49 c1 ec 03 43 0f b6 04 3c 84 c0 75 4f ff 0b <75> 1d 4c 8d b7 c8 04 00 00 4c 89 f0 48 c1 e8 03 42 0f b6 04 38 84
RSP: 0018:ffffc90000a08be0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88803314e104 RCX: 0000000080000101
RDX: 0000000000000002 RSI: ffffffff8e219dc8 RDI: ffff88803314dc40
RBP: 0000000000000001 R08: ffff88803314dc40 R09: 0000000000000004
R10: 0000000000000003 R11: 0000000000000100 R12: 1ffff11006629c20
R13: ffff888034604000 R14: ffffffff89809ffb R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff88812538d000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd49b200000 CR3: 0000000022aea000 CR4: 00000000003526f0
Call Trace:
rcu_read_unlock include/linux/rcupdate.h:871 [inline]
process_backlog+0x872/0x1950 net/core/dev.c:6667
__napi_poll+0xae/0x340 net/core/dev.c:7733
napi_poll net/core/dev.c:7796 [inline]
net_rx_action+0x627/0xf70 net/core/dev.c:7953
handle_softirqs+0x22a/0x840 kernel/softirq.c:622
do_softirq+0x76/0xd0 kernel/softirq.c:523
__local_bh_enable_ip+0xf8/0x130 kernel/softirq.c:450
spin_unlock_bh include/linux/spinlock.h:396 [inline]
batadv_tt_local_purge+0x2a7/0x340 net/batman-adv/translation-table.c:1320
batadv_tt_purge+0x35/0x9e0 net/batman-adv/translation-table.c:3514
process_one_work kernel/workqueue.c:3302 [inline]
process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3385
rescuer_thread+0x827/0x1130 kernel/workqueue.c:3609
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: 33620 callbacks suppressed
bridge0: received packet on veth1_to_bridge with own address as source address (addr:be:17:1d:fd:e9:75, 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 veth1_to_bridge with own address as source address (addr:be:17:1d:fd:e9:75, 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:be:17:1d:fd:e9:75, 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:be:17:1d:fd:e9:75, 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:be:17:1d:fd:e9:75, vlan:0)
net_ratelimit: 39238 callbacks suppressed
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:be:17:1d:fd:e9:75, 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:be:17:1d:fd:e9:75, 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:be:17:1d:fd:e9:75, 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:be:17:1d:fd:e9:75, 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:be:17:1d:fd:e9:75, vlan:0)