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): P4670/1:b..l
rcu: (detected by 0, t=10503 jiffies, g=5113, q=70 ncpus=2)
task:syslogd state:R running task stack:23072 pid:4670 tgid:4670 ppid:1 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0x1895/0x4b30 kernel/sched/core.c:6682
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7004
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:unwind_next_frame+0x18ed/0x22d0 arch/x86/kernel/unwind_orc.c:672
Code: 0c 01 75 40 80 3d c2 c2 db 11 00 75 37 c6 05 b9 c2 db 11 01 e9 21 fa ff ff bf 01 00 00 00 e8 9a be 21 00 65 8b 0d eb 58 c2 7e 01 85 c9 75 73 e8 48 37 bf ff eb 6c 80 3d d3 4d c5 0e 00 0f 84
RSP: 0018:ffffc900031fee70 EFLAGS: 00000297
RAX: 0000000080000001 RBX: ffffc900031fef50 RCX: 0000000080000000
RDX: dffffc0000000000 RSI: ffffc900031f8000 RDI: 0000000000000001
RBP: ffffc900031fef40 R08: ffffc900031ff2f0 R09: 0000000000000000
R10: ffffc900031fef90 R11: fffff5200063fdf4 R12: dffffc0000000000
R13: ffffc900031fef40 R14: ffffc900031f8000 R15: ffffc900031ff300
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:1108 [inline]
free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2638
discard_slab mm/slub.c:2677 [inline]
__put_partials+0xeb/0x130 mm/slub.c:3145
put_cpu_partial+0x17c/0x250 mm/slub.c:3220
__slab_free+0x2ea/0x3d0 mm/slub.c:4449
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:257 [inline]
__do_kmalloc_node mm/slub.c:4264 [inline]
__kmalloc_noprof+0x1fc/0x400 mm/slub.c:4276
kmalloc_noprof include/linux/slab.h:882 [inline]
tomoyo_realpath_from_path+0xcf/0x5e0 security/tomoyo/realpath.c:251
tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
tomoyo_check_open_permission+0x255/0x500 security/tomoyo/file.c:771
security_file_open+0x777/0x990 security/security.c:3109
do_dentry_open+0x369/0x1460 fs/open.c:945
vfs_open+0x3e/0x330 fs/open.c:1088
do_open fs/namei.c:3774 [inline]
path_openat+0x2c84/0x3590 fs/namei.c:3933
do_filp_open+0x235/0x490 fs/namei.c:3960
do_sys_openat2+0x13e/0x1d0 fs/open.c:1415
do_sys_open fs/open.c:1430 [inline]
__do_sys_openat fs/open.c:1446 [inline]
__se_sys_openat fs/open.c:1441 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1441
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: 0033:0x7ffac248b9a4
RSP: 002b:00007ffe1326f6c0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00005582216f2910 RCX: 00007ffac248b9a4
RDX: 0000000000000d41 RSI: 00007ffac262a443 RDI: 00000000ffffff9c
RBP: 00007ffac262a443 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000000001b6 R11: 0000000000000246 R12: 0000000000000d41
R13: 00000000671f706e R14: 0000000000000004 R15: 00005582216f2a60
rcu: rcu_preempt kthread starved for 10496 jiffies! g5113 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:25744 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5322 [inline]
__schedule+0x1895/0x4b30 kernel/sched/core.c:6682
__schedule_loop kernel/sched/core.c:6759 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6774
schedule_timeout+0x1be/0x310 kernel/time/timer.c:2615
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: 937 Comm: kworker/0:2 Not tainted 6.12.0-rc2-syzkaller-00631-g6d858708d465 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_power_efficient gc_worker
RIP: 0010:preempt_count_add+0x16/0x190 kernel/sched/core.c:5785
Code: 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 57 41 56 53 89 fb 48 c7 c0 40 39 3d 9a 48 c1 e8 03 <49> bf 00 00 00 00 00 fc ff df 42 0f b6 04 38 84 c0 0f 85 ed 00 00
RSP: 0018:ffffc90000006710 EFLAGS: 00000a06
RAX: 1ffffffff347a728 RBX: 0000000000000001 RCX: ffffc90000007200
RDX: dffffc0000000000 RSI: ffffffff8a991572 RDI: 0000000000000001
RBP: ffffc90000006838 R08: 000000000000000b R09: ffffc900000068f0
R10: ffffc90000006850 R11: ffffffff8180a0e0 R12: dffffc0000000000
R13: ffffc90000006800 R14: ffffffff8a991572 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9062aad198 CR3: 00000000319b2000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
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
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
unpoison_slab_object mm/kasan/common.c:319 [inline]
__kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:345
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+0x135/0x2a0 mm/slub.c:4141
skb_ext_maybe_cow net/core/skbuff.c:6942 [inline]
skb_ext_add+0x1d6/0x910 net/core/skbuff.c:7016
nf_bridge_unshare net/bridge/br_netfilter_hooks.c:169 [inline]
br_nf_forward_ip+0xd8/0x7b0 net/bridge/br_netfilter_hooks.c:711
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+0x13e8/0x4570 net/core/dev.c:5562
__netif_receive_skb_one_core net/core/dev.c:5666 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5781
process_backlog+0x662/0x15b0 net/core/dev.c:6113
__napi_poll+0xcb/0x490 net/core/dev.c:6834
napi_poll net/core/dev.c:6903 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:7025
handle_softirqs+0x2c5/0x980 kernel/softirq.c:554
__do_softirq kernel/softirq.c:588 [inline]
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1037
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:seqcount_lockdep_reader_access+0x1e0/0x220 include/linux/seqlock.h:75
Code: f7 4d 85 ed 75 16 e8 0f 7c b7 f7 eb 15 e8 08 7c b7 f7 e8 43 7c e9 01 4d 85 ed 74 ea e8 f9 7b b7 f7 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 3c 00 00 00 00 66 43 c7 44 3c 09 00 00 43 c6 44 3c 0b 00
RSP: 0018:ffffc90003c479a0 EFLAGS: 00000293
RAX: ffffffff89dd6b57 RBX: 0000000000000000 RCX: ffff888025de3c00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003c47a50 R08: ffffffff89dd6b2d R09: 1ffffffff2859912
R10: dffffc0000000000 R11: fffffbfff2859913 R12: dffffc0000000000
R13: 0000000000000200 R14: 0000000000000046 R15: 1ffff92000788f34
nf_conntrack_get_ht include/net/netfilter/nf_conntrack.h:345 [inline]
gc_worker+0x316/0x1530 net/netfilter/nf_conntrack_core.c:1534
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
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:66:f0:98:e6:ca:9e, 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:66:f0:98:e6:ca:9e, 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 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:66:f0:98:e6:ca:9e, 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:66:f0:98:e6:ca:9e, vlan:0)