rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5822/1:b..l
rcu: (detected by 0, t=10503 jiffies, g=39909, q=777664 ncpus=2)
task:syz-executor state:R running task stack:23472 pid:5822 tgid:5822 ppid:5806 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_acquire.part.0+0x155/0x380 kernel/locking/lockdep.c:5814
Code: b8 ff ff ff ff 65 0f c1 05 90 c2 8b 7e 83 f8 01 0f 85 d0 01 00 00 9c 58 f6 c4 02 0f 85 e5 01 00 00 48 85 ed 0f 85 b6 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7
RSP: 0018:ffffc900042bf4d8 EFLAGS: 00000206
RAX: 0000000000000046 RBX: 1ffff92000857e9c RCX: 000000009a0cd2f3
RDX: 0000000000000001 RSI: ffffffff8b6cdb60 RDI: ffffffff8bd1eba0
RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff2dca198
R10: ffffffff96e50cc7 R11: 0000000000000001 R12: 0000000000000000
R13: ffffffff8e1bb900 R14: 0000000000000000 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
rcu_read_lock include/linux/rcupdate.h:849 [inline]
page_ext_get+0x3a/0x310 mm/page_ext.c:525
__page_table_check_zero+0xbf/0x360 mm/page_table_check.c:148
page_table_check_free include/linux/page_table_check.h:41 [inline]
free_pages_prepare mm/page_alloc.c:1128 [inline]
free_unref_page+0x6c8/0x1080 mm/page_alloc.c:2657
__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]
__kmalloc_cache_node_noprof+0x252/0x420 mm/slub.c:4337
kmalloc_node_noprof include/linux/slab.h:924 [inline]
__get_vm_area_node+0x101/0x2f0 mm/vmalloc.c:3127
__vmalloc_node_range_noprof+0x26a/0x1530 mm/vmalloc.c:3804
__vmalloc_node_noprof mm/vmalloc.c:3909 [inline]
vzalloc_noprof+0x6b/0x90 mm/vmalloc.c:3982
xt_counters_alloc+0x4c/0x70 net/netfilter/x_tables.c:1380
__do_replace+0x99/0x9d0 net/ipv4/netfilter/ip_tables.c:1046
do_replace net/ipv4/netfilter/ip_tables.c:1141 [inline]
do_ipt_set_ctl+0x956/0xbe0 net/ipv4/netfilter/ip_tables.c:1635
nf_setsockopt+0x8a/0xf0 net/netfilter/nf_sockopt.c:101
ip_setsockopt+0xcb/0xf0 net/ipv4/ip_sockglue.c:1424
tcp_setsockopt+0xa4/0x100 net/ipv4/tcp.c:4030
do_sock_setsockopt+0x222/0x480 net/socket.c:2313
__sys_setsockopt+0x1a0/0x230 net/socket.c:2338
__do_sys_setsockopt net/socket.c:2344 [inline]
__se_sys_setsockopt net/socket.c:2341 [inline]
__x64_sys_setsockopt+0xbd/0x160 net/socket.c:2341
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: 0033:0x7f3704d87c1a
RSP: 002b:00007ffd46a30a48 EFLAGS: 00000206 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007ffd46a30ad0 RCX: 00007f3704d87c1a
RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000003 R08: 0000000000000370 R09: 00007ffd46a30e87
R10: 00007f3704f49560 R11: 0000000000000206 R12: 00007f3704f49500
R13: 00007ffd46a30a6c R14: 0000000000000000 R15: 00007f3704f4b000
rcu: rcu_preempt kthread starved for 10541 jiffies! g39909 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:28336 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:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Not tainted 6.13.0-rc3-syzkaller-00136-g8faabc041a00 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:lockdep_hardirqs_on_prepare+0xd9/0x420 kernel/locking/lockdep.c:4403
Code: 0f 84 e5 00 00 00 65 48 8b 1d 13 65 8d 7e 48 8d bb d0 0a 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 ed 02 00 00 48 8d bb b8 0a 00 00 48 8b ab d0 0a 00 00 48 b8
RSP: 0018:ffffc900001e6ba8 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: ffff88801d6e8000 RCX: 1ffffffff20bde31
RDX: 1ffff11003add15a RSI: 0000000000000000 RDI: ffff88801d6e8ad0
RBP: ffffffff89f0dd90 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff905f33d7 R11: 0000000000000002 R12: 1ffff9200003cd9b
R13: 0000000000000001 R14: ffff888061f5c1e0 R15: ffff888061f5c290
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f14369f10a0 CR3: 000000002794a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
trace_hardirqs_on+0x36/0x40 kernel/trace/trace_preemptirq.c:78
__local_bh_enable_ip+0xa4/0x120 kernel/softirq.c:394
local_bh_enable include/linux/bottom_half.h:33 [inline]
ip6t_do_table+0xd2d/0x1d40 net/ipv6/netfilter/ip6_tables.c:375
ip6table_mangle_hook+0xc4/0x770 net/ipv6/netfilter/ip6table_mangle.c:73
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_slow+0xbb/0x200 net/netfilter/core.c:626
nf_hook+0x486/0x810 include/linux/netfilter.h:269
NF_HOOK include/linux/netfilter.h:312 [inline]
br_nf_forward_ip.part.0+0x5e5/0x820 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
br_flood+0x493/0x5c0 net/bridge/br_forward.c:245
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:5566
__netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5670
__netif_receive_skb+0x1d/0x160 net/core/dev.c:5785
process_backlog+0x443/0x15f0 net/core/dev.c:6117
__napi_poll.constprop.0+0xb7/0x550 net/core/dev.c:6883
napi_poll net/core/dev.c:6952 [inline]
net_rx_action+0xa94/0x1010 net/core/dev.c:7074
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
net_ratelimit: 23845 callbacks suppressed
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:b2:12:0f:71:e2:dd, 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 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:b2:12:0f:71:e2:dd, 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:b2:12:0f:71:e2:dd, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:b2:12:0f:71:e2:dd, vlan:0)
net_ratelimit: 28056 callbacks suppressed
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 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:b2:12:0f:71:e2:dd, 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:b2:12:0f:71:e2:dd, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:b2:12:0f:71:e2:dd, 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 bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)