bridge0: received packet on veth0_to_bridge with own address as source address (addr:00:20:10:00:00:00, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P16856/1:b..l
rcu: (detected by 1, t=10503 jiffies, g=47353, q=416 ncpus=2)
task:syz.2.5268 state:R running task stack:28192 pid:16856 tgid:16855 ppid:5828 flags:0x00004006
Call Trace:
<TASK>
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:arch_stack_walk+0x5/0x100 arch/x86/kernel/stacktrace.c:17
Code: ff ff e8 6e b4 59 00 89 e8 e6 83 e9 11 ff ff ff 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 55 <48> 89 e5 41 57 49 89 d7 41 56 49 89 ce b9 0c 00 00 00 41 55 49 89
RSP: 0018:ffffc90004b6f8e0 EFLAGS: 00000202
RAX: 0000000300000000 RBX: fffff5200096df1e RCX: 0000000000000000
RDX: ffff888075c20000 RSI: ffffc90004b6f910 RDI: ffffffff8185e450
RBP: ffff888075c20000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000002 R12: ffffc90004b6f9a0
R13: 0000000000002800 R14: dffffc0000000000 R15: 0000000000000000
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_kmalloc_large+0x86/0x90 mm/kasan/common.c:426
__kmalloc_large_node_noprof+0x1c/0x70 mm/slub.c:4270
__do_kmalloc_node mm/slub.c:4286 [inline]
__kmalloc_node_noprof.cold+0x5/0x5f mm/slub.c:4304
__kvmalloc_node_noprof+0x6f/0x1a0 mm/util.c:645
netif_alloc_netdev_queues net/core/dev.c:10415 [inline]
alloc_netdev_mqs+0xbbc/0x1510 net/core/dev.c:11293
tun_set_iff drivers/net/tun.c:2833 [inline]
__tun_chr_ioctl+0x2026/0x4760 drivers/net/tun.c:3131
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:906 [inline]
__se_sys_ioctl fs/ioctl.c:892 [inline]
__x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892
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: 0033:0x7f0dac985d29
RSP: 002b:00007f0dad89c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f0dacb75fa0 RCX: 00007f0dac985d29
RDX: 0000000020000200 RSI: 00000000400454ca RDI: 0000000000000003
RBP: 00007f0daca01b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f0dacb75fa0 R15: 00007ffd7b4056a8
</TASK>
rcu: rcu_preempt kthread starved for 3369 jiffies! g47353 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:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.13.0-rc7-syzkaller-00189-g595523945be0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:debug_lockdep_rcu_enabled+0x26/0x40 kernel/rcu/update.c:320
Code: 90 90 90 90 f3 0f 1e fa 8b 05 42 36 35 05 85 c0 74 20 8b 05 80 68 35 05 85 c0 74 16 65 48 8b 05 80 be d9 74 8b 80 dc 0a 00 00 <85> c0 0f 94 c0 0f b6 c0 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00
RSP: 0018:ffffc90000157928 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 1ffff9200002af2a RCX: 00000000110053aa
RDX: 0000000000000001 RSI: ffffffff8b6cdce0 RDI: ffffffff8bd1efe0
RBP: 000000000000000a R08: 0000000000000000 R09: fffffbfff2dca798
R10: ffffffff96e53cc7 R11: 0000000000000001 R12: ffff88805f538000
R13: 0000000000000000 R14: ffff88805ea9e000 R15: ffff88805ea9e000
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555d4c6f74b8 CR3: 0000000026948000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<NMI>
</NMI>
<TASK>
rcu_read_lock include/linux/rcupdate.h:850 [inline]
nf_hook.constprop.0+0xaf/0x750 include/linux/netfilter.h:238
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:5704
__netif_receive_skb+0x1d/0x160 net/core/dev.c:5817
process_backlog+0x443/0x15f0 net/core/dev.c:6149
__napi_poll.constprop.0+0xb7/0x550 net/core/dev.c:6902
napi_poll net/core/dev.c:6971 [inline]
net_rx_action+0xa94/0x1010 net/core/dev.c:7093
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
</TASK>
net_ratelimit: 40301 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:00:20:10:00:00:00, 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:00:20:10:00:00:00, 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:00:20:10:00:00:00, 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:00:20:10:00:00:00, 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:00:20:10:00:00:00, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
net_ratelimit: 45900 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:00:20:10:00:00:00, 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:00:20:10:00:00:00, 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:00:20:10:00:00:00, 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:00:20:10:00:00:00, 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:00:20:10:00:00:00, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)