bridge0: received packet on veth0_to_bridge with own address as source address (addr:62:69:8b:20:c6:76, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: (detected by 1, t=10502 jiffies, g=50505, q=461 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 6174 (4294997267-4294991093), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 6175 jiffies! g50505 f0x2 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:27120 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: 1 UID: 0 PID: 5290 Comm: kworker/1:5 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 dvb_usb_read_remote_control
RIP: 0010:deref_stack_reg arch/x86/kernel/unwind_orc.c:406 [inline]
RIP: 0010:unwind_next_frame+0x160d/0x20c0 arch/x86/kernel/unwind_orc.c:648
Code: 0f 84 6b ed ff ff 48 89 ef e8 ef df ff ff 49 8d 7d 40 48 89 fa 48 89 c5 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 <0f> 84 82 f7 ff ff e8 08 9c b1 00 e9 78 f7 ff ff 48 8d 78 38 4c 89
RSP: 0018:ffffc90000a17aa8 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc90004148000
RDX: 1ffff92000142f6b RSI: ffffc90004147f00 RDI: ffffc90000a17b58
RBP: ffffffff8158cd40 R08: ffffc90000a17b4c R09: ffffffff90f288ae
R10: ffffc90000a17b18 R11: 00000000000058d0 R12: ffffc90000a17b68
R13: ffffc90000a17b18 R14: ffffc90004147f30 R15: ffffc90004147f28
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe693a6dac CR3: 000000005a7c8000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
arch_stack_walk+0x95/0x100 arch/x86/kernel/stacktrace.c:25
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:579
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:230 [inline]
slab_free_hook mm/slub.c:2342 [inline]
slab_free mm/slub.c:4579 [inline]
kmem_cache_free+0x152/0x4b0 mm/slub.c:4681
__skb_ext_put+0x102/0x2c0 net/core/skbuff.c:7101
skb_ext_put include/linux/skbuff.h:4808 [inline]
skb_ext_put include/linux/skbuff.h:4805 [inline]
skb_release_head_state+0x1c2/0x290 net/core/skbuff.c:1182
skb_release_all net/core/skbuff.c:1188 [inline]
__kfree_skb net/core/skbuff.c:1204 [inline]
sk_skb_reason_drop+0xeb/0x1a0 net/core/skbuff.c:1242
kfree_skb_reason include/linux/skbuff.h:1262 [inline]
kfree_skb include/linux/skbuff.h:1271 [inline]
ip6_mc_input+0x7af/0xfd0 net/ipv6/ip6_input.c:587
dst_input include/net/dst.h:460 [inline]
dst_input include/net/dst.h:458 [inline]
ip6_rcv_finish+0x3a2/0x5b0 net/ipv6/ip6_input.c:79
ip_sabotage_in+0x21b/0x290 net/bridge/br_netfilter_hooks.c:1018
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_slow+0xbb/0x200 net/netfilter/core.c:626
nf_hook.constprop.0+0x42e/0x750 include/linux/netfilter.h:269
NF_HOOK include/linux/netfilter.h:312 [inline]
ipv6_rcv+0xa4/0x680 net/ipv6/ip6_input.c:309
__netif_receive_skb_one_core+0x12e/0x1e0 net/core/dev.c:5666
__netif_receive_skb+0x1d/0x160 net/core/dev.c:5779
netif_receive_skb_internal net/core/dev.c:5865 [inline]
netif_receive_skb+0x13f/0x7b0 net/core/dev.c:5924
NF_HOOK include/linux/netfilter.h:314 [inline]
NF_HOOK include/linux/netfilter.h:308 [inline]
br_pass_frame_up+0x346/0x490 net/bridge/br_input.c:70
br_handle_frame_finish+0xdcf/0x1c80 net/bridge/br_input.c:221
br_nf_hook_thresh+0x303/0x410 net/bridge/br_netfilter_hooks.c:1195
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:533
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+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:588 [inline]
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu kernel/softirq.c:637 [inline]
irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:26 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:183 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0xc/0x70 kernel/kcov.c:217
Code: cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 65 48 8b 15 b4 5c 76 7e <65> 8b 05 b5 5c 76 7e a9 00 01 ff 00 48 8b 34 24 74 1d f6 c4 01 74
RSP: 0018:ffffc90004147a78 EFLAGS: 00000286
RAX: 0000000000000000 RBX: 0000000085c113c0 RCX: ffffffff813ee840
RDX: ffff8880213abc00 RSI: ffff888105c113c0 RDI: 0000000000000006
RBP: ffff888105c113c0 R08: 0000000000000006 R09: ffff888105c113c0
R10: 0000000085c113c0 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffffc90004147ad8 R15: ffff888085c14300
phys_addr_valid arch/x86/mm/physaddr.h:7 [inline]
__phys_addr+0x5a/0x150 arch/x86/mm/physaddr.c:28
virt_to_folio include/linux/mm.h:1282 [inline]
virt_to_slab mm/slab.h:206 [inline]
qlink_to_cache mm/kasan/quarantine.c:131 [inline]
qlist_free_all+0x66/0x120 mm/kasan/quarantine.c:176
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]
__do_kmalloc_node mm/slub.c:4263 [inline]
__kmalloc_noprof+0x199/0x400 mm/slub.c:4276
kmalloc_noprof include/linux/slab.h:882 [inline]
usb_alloc_urb+0x69/0xa0 drivers/usb/core/urb.c:75
usb_internal_control_msg drivers/usb/core/message.c:96 [inline]
usb_control_msg+0x1d4/0x4b0 drivers/usb/core/message.c:154
m920x_read drivers/media/usb/dvb-usb/m920x.c:36 [inline]
m920x_rc_core_query+0xd5/0x500 drivers/media/usb/dvb-usb/m920x.c:226
dvb_usb_read_remote_control+0xda/0x1c0 drivers/media/usb/dvb-usb/dvb-usb-remote.c:261
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: 19595 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:62:69:8b:20:c6:76, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:62:69:8b:20:c6:76, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:62:69:8b:20:c6:76, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:62:69:8b:20:c6:76, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:62:69:8b:20:c6:76, vlan:0)
net_ratelimit: 24136 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:62:69:8b:20:c6:76, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:62:69:8b:20:c6:76, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:62:69:8b:20:c6:76, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:62:69:8b:20:c6:76, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:62:69:8b:20:c6:76, vlan:0)