bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:4d:de:24:7a:43, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:4d:de:24:7a:43, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (1 GPs behind) idle=9f6c/1/0x4000000000000000 softirq=34119/34120 fqs=28
rcu: 	(detected by 0, t=10503 jiffies, g=31265, q=536 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 9786 Comm: syz.1.874 Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:hlock_class+0x58/0x130 kernel/locking/lockdep.c:240
Code: 81 e3 ff 1f 0f b7 db be 08 00 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 c0 1c e5 96 e8 02 f8 86 00 48 0f a3 1d 1a 4b 6f 15 73 13 <48> 69 c3 c8 00 00 00 5b 48 05 e0 20 e5 96 c3 cc cc cc cc 48 c7 c0
RSP: 0018:ffffc90000a189f0 EFLAGS: 00000047
RAX: 0000000000000001 RBX: 0000000000000021 RCX: ffffffff8175d19e
RDX: fffffbfff2dca399 RSI: 0000000000000008 RDI: ffffffff96e51cc0
RBP: ffffc90000a18b38 R08: 0000000000000000 R09: fffffbfff2dca398
R10: ffffffff96e51cc7 R11: 0000000000000001 R12: ffff88803416a440
R13: 0000000000000200 R14: 0000000000000009 R15: 1ffff92000143146
FS:  00007f4e6267b6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f30bff8 CR3: 00000000277e8000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 mark_lock+0xb5/0xc60 kernel/locking/lockdep.c:4727
 mark_usage kernel/locking/lockdep.c:4670 [inline]
 __lock_acquire+0x9f1/0x3c40 kernel/locking/lockdep.c:5180
 lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5849
 rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
 rcu_read_lock include/linux/rcupdate.h:849 [inline]
 advance_sched+0x67f/0xc60 net/sched/sch_taprio.c:985
 __run_hrtimer kernel/time/hrtimer.c:1739 [inline]
 __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1803
 hrtimer_interrupt+0x392/0x8e0 kernel/time/hrtimer.c:1865
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x10f/0x400 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0x9f/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:194
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 56 71 4a f6 48 89 df e8 ae f0 4a f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 <bf> 01 00 00 00 e8 95 d5 3b f6 65 8b 05 f6 90 d7 74 85 c0 74 16 5b
RSP: 0018:ffffc9000d44f538 EFLAGS: 00000246
RAX: 0000000000000006 RBX: ffff88801cae33c0 RCX: 1ffffffff2dd2c63
RDX: 0000000000000000 RSI: ffffffff8b6cd9e0 RDI: ffffffff8bd1ede0
RBP: 0000000000000286 R08: 0000000000000001 R09: fffffbfff2dca3ad
R10: ffffffff96e51d6f R11: 0000000000000002 R12: ffffea0001f0b510
R13: 0000000000000cc0 R14: ffff88801cae33c0 R15: ffffea00008e2a00
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 get_partial_node.part.0+0x1a1/0x360 mm/slub.c:2872
 get_partial_node mm/slub.c:2835 [inline]
 get_partial mm/slub.c:2952 [inline]
 ___slab_alloc+0x65b/0x17a0 mm/slub.c:3810
 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3920
 __slab_alloc_node mm/slub.c:3995 [inline]
 slab_alloc_node mm/slub.c:4156 [inline]
 kmem_cache_alloc_lru_noprof+0xff/0x3d0 mm/slub.c:4187
 proc_alloc_inode+0x25/0x200 fs/proc/inode.c:57
 alloc_inode+0x5d/0x230 fs/inode.c:336
 new_inode_pseudo fs/inode.c:1174 [inline]
 new_inode+0x22/0x210 fs/inode.c:1193
 proc_pid_make_inode+0x22/0x160 fs/proc/base.c:1950
 proc_pident_instantiate+0x85/0x320 fs/proc/base.c:2697
 proc_pident_lookup+0x226/0x2a0 fs/proc/base.c:2733
 __lookup_slow+0x24f/0x460 fs/namei.c:1791
 lookup_slow fs/namei.c:1808 [inline]
 walk_component+0x350/0x5b0 fs/namei.c:2112
 link_path_walk.part.0.constprop.0+0x669/0xd40 fs/namei.c:2477
 link_path_walk fs/namei.c:2409 [inline]
 path_openat+0x228/0x2d60 fs/namei.c:3983
 do_filp_open+0x20c/0x470 fs/namei.c:4014
 do_sys_openat2+0x17a/0x1e0 fs/open.c:1402
 do_sys_open fs/open.c:1417 [inline]
 __do_sys_openat fs/open.c:1433 [inline]
 __se_sys_openat fs/open.c:1428 [inline]
 __x64_sys_openat+0x175/0x210 fs/open.c:1428
 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: 0033:0x7f4e61784690
Code: 48 89 44 24 20 75 93 44 89 54 24 0c e8 49 94 02 00 44 8b 54 24 0c 89 da 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 38 44 89 c7 89 44 24 0c e8 9c 94 02 00 8b 44
RSP: 002b:00007f4e6267af60 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4e61784690
RDX: 0000000000000000 RSI: 00007f4e61801c20 RDI: 00000000ffffff9c
RBP: 00007f4e61801c20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4e61975fa0 R15: 00007ffc759f6138
 </TASK>
rcu: rcu_preempt kthread starved for 7752 jiffies! g31265 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:27600 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 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
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 9766 Comm: syz.6.869 Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline]
RIP: 0010:smp_call_function_single+0x1c7/0x580 kernel/smp.c:679
Code: c0 48 89 de 89 fa c1 e2 10 09 d0 89 44 24 4c e8 af fa ff ff 41 89 c5 0f 1f 44 00 00 e8 42 f4 0b 00 eb 07 e8 3b f4 0b 00 f3 90 <8b> 5c 24 48 31 ff 83 e3 01 89 de e8 69 f6 0b 00 85 db 75 e5 e8 20
RSP: 0018:ffffc9000d41fa40 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff818e21f7
RDX: ffff8880279c0000 RSI: ffffffff818e21e5 RDI: 0000000000000005
RBP: ffffc9000d41fb20 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 1ffff92001a83f4c
R13: 0000000000000000 R14: 0000000000000001 R15: ffff888031efc6f8
FS:  000055557978b500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055557c03f5c8 CR3: 00000000673fa000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 loaded_vmcs_clear arch/x86/kvm/vmx/vmx.c:812 [inline]
 vmx_vcpu_load_vmcs+0x2e2/0x850 arch/x86/kvm/vmx/vmx.c:1452
 vmx_vcpu_load+0xdc/0x2c0 arch/x86/kvm/vmx/vmx.c:1522
 kvm_arch_vcpu_load+0x1da/0x980 arch/x86/kvm/x86.c:4975
 vcpu_load+0x52/0x90 virt/kvm/kvm_main.c:172
 kvm_unload_vcpu_mmu arch/x86/kvm/x86.c:12750 [inline]
 kvm_unload_vcpu_mmus arch/x86/kvm/x86.c:12762 [inline]
 kvm_arch_destroy_vm+0x179/0x490 arch/x86/kvm/x86.c:12869
 kvm_destroy_vm virt/kvm/kvm_main.c:1304 [inline]
 kvm_put_kvm+0x4fa/0xb40 virt/kvm/kvm_main.c:1340
 kvm_vm_release+0x3c/0x50 virt/kvm/kvm_main.c:1363
 __fput+0x3f8/0xb60 fs/file_table.c:450
 task_work_run+0x14e/0x250 kernel/task_work.c:239
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [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+0x27b/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7819985d29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffde60b6138 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007f7819b77ba0 RCX: 00007f7819985d29
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f7819b77ba0 R08: 0000000000000248 R09: 00007ffde60b642f
R10: 00000000003ffb94 R11: 0000000000000246 R12: 0000000000050cd0
R13: 00007f7819b76080 R14: 000000000000015e R15: ffffffffffffffff
 </TASK>
net_ratelimit: 2605 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:4d:de:24:7a:43, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:4d:de:24:7a:43, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:4d:de:24:7a:43, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:4d:de:24:7a:43, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:4d:de:24:7a:43, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:4d:de:24:7a:43, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:4d:de:24:7a:43, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:4d:de:24:7a:43, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:4d:de:24:7a:43, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:4d:de:24:7a:43, vlan:0)
net_ratelimit: 1846 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:4d:de:24:7a:43, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:4d:de:24:7a:43, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:4d:de:24:7a:43, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:4d:de:24:7a:43, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:4d:de:24:7a:43, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:4d:de:24:7a:43, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:4d:de:24:7a:43, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:4d:de:24:7a:43, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:4d:de:24:7a:43, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:4d:de:24:7a:43, vlan:0)