bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P15883/1:b..l P15939/1:b..l
rcu: (detected by 0, t=10503 jiffies, g=52457, q=456 ncpus=2)
task:syz.4.2972 state:R running task stack:28072 pid:15939 tgid:15937 ppid:5811 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7078
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:__unwind_start+0x4c9/0x7f0 arch/x86/kernel/unwind_orc.c:758
Code: 8b 56 10 72 b3 48 39 d3 73 ae 48 8d 4b 08 48 39 ca 72 a5 48 39 c8 73 a0 48 8b 04 24 48 c1 e8 03 80 3c 28 00 0f 85 f4 01 00 00 <49> 3b 5e 38 73 88 e9 03 fe ff ff 48 b8 00 00 00 00 00 fc ff df 48
RSP: 0018:ffffc9000bf9f6b0 EFLAGS: 00000246
RAX: 1ffff920017f3ee7 RBX: ffffc9000bf9f790 RCX: ffffc9000bf9f798
RDX: ffffc9000bfa0000 RSI: ffffc9000bf9f790 RDI: 0000000000000001
RBP: dffffc0000000000 R08: ffffc9000bf9f734 R09: ffffffff90f098c4
R10: ffffc9000bf9f700 R11: 000000000000406d R12: fffff520017f3ee2
R13: fffff520017f3ee1 R14: ffffc9000bf9f700 R15: ffffc9000bf9f708
unwind_start arch/x86/include/asm/unwind.h:64 [inline]
arch_stack_walk+0x74/0x100 arch/x86/kernel/stacktrace.c:24
stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122
save_stack+0x162/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x8d/0x400 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+0x661/0x1080 mm/page_alloc.c:2659
__put_partials+0x14c/0x170 mm/slub.c:3157
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x4e/0x120 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x69/0x90 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_noprof+0x226/0x3d0 mm/slub.c:4175
taskstats_tgid_alloc kernel/taskstats.c:576 [inline]
taskstats_exit+0x656/0xbe0 kernel/taskstats.c:615
do_exit+0x845/0x2d70 kernel/exit.c:923
do_group_exit+0xd3/0x2a0 kernel/exit.c:1087
get_signal+0x24ed/0x26c0 kernel/signal.c:3017
arch_do_signal_or_restart+0x90/0x7e0 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+0x150/0x2a0 kernel/entry/common.c:218
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
task:syz.1.2958 state:R running task stack:26048 pid:15883 tgid:15883 ppid:13701 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7078
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:lock_release+0x16/0x6f0 kernel/locking/lockdep.c:5857
Code: 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 b8 00 00 00 00 00 fc ff df 41 57 41 56 41 55 41 54 <49> 89 fc 55 53 48 81 ec 90 00 00 00 48 8d 5c 24 10 48 89 74 24 08
RSP: 0018:ffffc9000593f5f8 EFLAGS: 00000293
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff81aaa35e
RDX: ffff88803424c880 RSI: ffffffff81aaa2ba RDI: ffffffff8e1bb900
RBP: 00007f7c7a385d00 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000002 R12: ffffffff8185d2b0
R13: ffffc9000593f738 R14: 0000000000000000 R15: ffff88803424c880
rcu_lock_release include/linux/rcupdate.h:347 [inline]
rcu_read_unlock include/linux/rcupdate.h:880 [inline]
is_bpf_text_address+0x8f/0x1a0 kernel/bpf/core.c:774
kernel_text_address kernel/extable.c:125 [inline]
kernel_text_address+0x8d/0x100 kernel/extable.c:94
__kernel_text_address+0xd/0x40 kernel/extable.c:79
unwind_get_return_address+0x59/0xa0 arch/x86/kernel/unwind_orc.c:369
arch_stack_walk+0xa7/0x100 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122
kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
kasan_save_track+0x14/0x30 mm/kasan/common.c:68
kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:582
poison_slab_object mm/kasan/common.c:247 [inline]
__kasan_slab_free+0x51/0x70 mm/kasan/common.c:264
kasan_slab_free include/linux/kasan.h:233 [inline]
slab_free_hook mm/slub.c:2353 [inline]
slab_free mm/slub.c:4613 [inline]
kmem_cache_free+0x152/0x4c0 mm/slub.c:4715
anon_vma_chain_free mm/rmap.c:147 [inline]
unlink_anon_vmas+0x173/0x820 mm/rmap.c:421
free_pgtables+0x33c/0x950 mm/memory.c:407
exit_mmap+0x3d7/0xb20 mm/mmap.c:1679
__mmput+0x12a/0x4c0 kernel/fork.c:1348
mmput+0x62/0x70 kernel/fork.c:1370
exit_mm kernel/exit.c:570 [inline]
do_exit+0x9ba/0x2d70 kernel/exit.c:925
do_group_exit+0xd3/0x2a0 kernel/exit.c:1087
__do_sys_exit_group kernel/exit.c:1098 [inline]
__se_sys_exit_group kernel/exit.c:1096 [inline]
__x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096
x64_sys_call+0x151f/0x1720 arch/x86/include/generated/asm/syscalls_64.h:232
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7c7a385d29
RSP: 002b:00007ffc9a99bf78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f7c7a385d29
RDX: 00007f7c7a33d347 RSI: 0000000000000000 RDI: 000000000000000b
RBP: 00007f7c7a57624c R08: 00007ffc9a99cb37 R09: 000000000000000b
R10: 00007f7c7a575fa0 R11: 0000000000000246 R12: 0000000000000003
R13: 00007f7c7a576240 R14: 0000000000000003 R15: 00000000000017d4
rcu: rcu_preempt kthread starved for 10594 jiffies! g52457 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:28160 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6848
schedule_timeout+0x124/0x280 kernel/time/sleep_timeout.c:99
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: 16 Comm: ksoftirqd/0 Not tainted 6.13.0-rc5-syzkaller-00163-gab75170520d4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:rcu_lockdep_current_cpu_online+0x35/0x150 kernel/rcu/tree.c:4777
Code: 81 e2 00 00 f0 00 b8 01 00 00 00 75 0a 8b 15 7a 9b df 0e 85 d2 75 05 c3 cc cc cc cc 55 53 65 ff 05 48 3a 84 7e e8 0b 41 aa 09 <48> c7 c3 80 fb 03 00 83 f8 07 89 c5 0f 87 ed 00 00 00 48 8d 3c ed
RSP: 0018:ffffc90000156f50 EFLAGS: 00000296
RAX: 0000000000000000 RBX: 000000000000004a RCX: ffffffff8a087a0f
RDX: 0000000000000001 RSI: ffffffff8bd1ed60 RDI: ffffffff8bd1eda0
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000002 R12: ffff888062bb7800
R13: 00000000ffffdd86 R14: ffff88806d476000 R15: ffffc90000157110
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558e0645c8 CR3: 00000000356c4000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_read_lock_held_common kernel/rcu/update.c:113 [inline]
rcu_read_lock_held+0x27/0x50 kernel/rcu/update.c:349
net_generic+0x211/0x2a0 include/net/netns/generic.h:46
brnf_get_logical_dev+0x22/0x290 net/bridge/br_netfilter_hooks.c:463
br_nf_forward_ip.part.0+0x5a3/0x820 net/bridge/br_netfilter_hooks.c:747
br_nf_forward_ip net/bridge/br_netfilter_hooks.c:707 [inline]
br_nf_forward+0xf11/0x1bd0 net/bridge/br_netfilter_hooks.c:804
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
br_nf_hook_thresh+0x303/0x410 net/bridge/br_netfilter_hooks.c:1198
br_nf_pre_routing_finish_ipv6+0x76a/0xfb0 net/bridge/br_netfilter_ipv6.c:154
NF_HOOK include/linux/netfilter.h:314 [inline]
br_nf_pre_routing_ipv6+0x3ce/0x8c0 net/bridge/br_netfilter_ipv6.c:184
br_nf_pre_routing+0x860/0x15b0 net/bridge/br_netfilter_hooks.c:536
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_bridge_pre net/bridge/br_input.c:277 [inline]
br_handle_frame+0x9eb/0x1490 net/bridge/br_input.c:424
__netif_receive_skb_core.constprop.0+0xa76/0x4470 net/core/dev.c:5568
__netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5672
__netif_receive_skb+0x1d/0x160 net/core/dev.c:5787
process_backlog+0x443/0x15f0 net/core/dev.c:6119
__napi_poll.constprop.0+0xb7/0x550 net/core/dev.c:6885
napi_poll net/core/dev.c:6954 [inline]
net_rx_action+0xa94/0x1010 net/core/dev.c:7076
handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
run_ksoftirqd kernel/softirq.c:950 [inline]
run_ksoftirqd+0x3a/0x60 kernel/softirq.c:942
smpboot_thread_fn+0x661/0xa30 kernel/smpboot.c:164
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
bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:67:0e:dc:47:97, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:67:0e:dc:47:97, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:67:0e:dc:47:97, vlan:0)