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): P5514/1:b..l P5838/1:b..l
rcu: (detected by 0, t=10503 jiffies, g=8041, q=1709 ncpus=2)
task:syz-executor state:R running task stack:23104 pid:5838 tgid:5838 ppid:5833 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6935
preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6959
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
__raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
_raw_spin_unlock+0x3e/0x50 kernel/locking/spinlock.c:186
spin_unlock include/linux/spinlock.h:391 [inline]
zap_pte_range mm/memory.c:1691 [inline]
zap_pmd_range mm/memory.c:1739 [inline]
zap_pud_range mm/memory.c:1768 [inline]
zap_p4d_range mm/memory.c:1789 [inline]
unmap_page_range+0x36b1/0x40e0 mm/memory.c:1810
unmap_vmas+0x3cc/0x5f0 mm/memory.c:1900
exit_mmap+0x275/0xc40 mm/mmap.c:1923
__mmput+0x115/0x390 kernel/fork.c:1348
exit_mm+0x220/0x310 kernel/exit.c:570
do_exit+0x9b2/0x28e0 kernel/exit.c:925
do_group_exit+0x207/0x2c0 kernel/exit.c:1087
get_signal+0x16b2/0x1750 kernel/signal.c:3016
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [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+0xce/0x340 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9335d74a53
RSP: 002b:00007ffe16118028 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 00000000000016d3 RCX: 00007f9335d74a53
RDX: 0000000040000000 RSI: 00007ffe1611803c RDI: 00000000ffffffff
RBP: 00007ffe1611803c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000
task:dhcpcd state:R running task stack:23600 pid:5514 tgid:5514 ppid:1 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7078
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:lock_release+0x658/0xa30 kernel/locking/lockdep.c:5874
Code: 3c 3b 00 74 08 4c 89 f7 e8 25 fa 8e 00 f6 84 24 91 00 00 00 02 75 77 41 f7 c5 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 4b c7 44 27 08 00 00 00 00 65 48 8b 04 25
RSP: 0018:ffffc9000306f700 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff9200060def2 RCX: ffffc9000306f703
RDX: 0000000000000002 RSI: ffffffff8c2ae4e0 RDI: ffffffff8c820860
RBP: ffffc9000306f840 R08: ffffffff903f3977 R09: 1ffffffff207e72e
R10: dffffc0000000000 R11: fffffbfff207e72f R12: 1ffff9200060deec
R13: 0000000000000246 R14: ffffc9000306f790 R15: dffffc0000000000
rcu_lock_release include/linux/rcupdate.h:347 [inline]
rcu_read_unlock include/linux/rcupdate.h:880 [inline]
page_ext_put+0xa3/0xc0 mm/page_ext.c:550
page_table_check_free include/linux/page_table_check.h:41 [inline]
free_pages_prepare mm/page_alloc.c:1128 [inline]
free_unref_page+0xe0e/0x1140 mm/page_alloc.c:2657
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:883 [inline]
kzalloc_noprof include/linux/slab.h:1015 [inline]
tomoyo_encode2 security/tomoyo/realpath.c:45 [inline]
tomoyo_encode+0x26f/0x540 security/tomoyo/realpath.c:80
tomoyo_realpath_from_path+0x59e/0x5e0 security/tomoyo/realpath.c:283
tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
tomoyo_path_number_perm+0x236/0x860 security/tomoyo/file.c:723
security_file_ioctl+0xc6/0x2a0 security/security.c:2909
__do_sys_ioctl fs/ioctl.c:900 [inline]
__se_sys_ioctl+0x46/0x170 fs/ioctl.c:892
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: 0033:0x7fe916843d49
RSP: 002b:00007ffc8a59c638 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00005630970c2d80 RCX: 00007fe916843d49
RDX: 00007ffc8a59c640 RSI: 0000000000008921 RDI: 0000000000000011
RBP: 0000000000000000 R08: 0000000000000008 R09: 0000000000000036
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc8a59c640
R13: 0000563090f9ef88 R14: 00005630970c2d80 R15: 00005630970c6d50
rcu: rcu_preempt kthread starved for 10573 jiffies! g8041 f0x0 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:25784 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99
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:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Not tainted 6.12.0-syzkaller-05491-g5d066766c5f1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline]
RIP: 0010:static_key_false include/linux/jump_label.h:207 [inline]
RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:149 [inline]
RIP: 0010:wrmsr arch/x86/include/asm/msr.h:256 [inline]
RIP: 0010:native_apic_msr_write+0x39/0x50 arch/x86/include/asm/apic.h:212
Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 c3 cc cc cc cc f3 0f 1e fa 89 f6 31 d2 e9 e3 7d c3 03 0f 1f
RSP: 0018:ffffc90000a18e60 EFLAGS: 00000046
RAX: 0000000000097fe5 RBX: 0000000000000020 RCX: 0000000000000838
RDX: 0000000000000000 RSI: 0000000000097fe5 RDI: 0000000000000838
RBP: 0000000000097fe5 R08: ffffffff81859e29 R09: 1ffffffff207e72e
R10: dffffc0000000000 R11: ffffffff813ee500 R12: 000000000097fa9b
R13: dffffc0000000000 R14: 00000000100064a9 R15: ffff8880b8728340
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcdbd05fe8 CR3: 0000000064192000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
apic_write arch/x86/include/asm/apic.h:405 [inline]
lapic_next_event+0x11/0x20 arch/x86/kernel/apic/apic.c:415
clockevents_program_event+0x1c1/0x350 kernel/time/clockevents.c:334
hrtimer_interrupt+0x5b7/0xa40 kernel/time/hrtimer.c:1878
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
__sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_is_held_type+0x13b/0x190
Code: 75 44 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 4c 41 f7 c4 00 02 00 00 74 01 fb 65 48 8b 04 25 28 00 00 00 <48> 3b 44 24 08 75 42 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f
RSP: 0018:ffffc900001e5fc0 EFLAGS: 00000206
RAX: 8275c8d4afd4b700 RBX: 0000000000000001 RCX: 0000000080000300
RDX: ffff88801d6e8000 RSI: ffffffff8c2ae4e0 RDI: ffffffff8c820860
RBP: 0000000000000000 R08: ffffffff868b9501 R09: 1ffffffff28a8d10
R10: dffffc0000000000 R11: fffffbfff28a8d11 R12: 0000000000000246
R13: ffff88801d6e8000 R14: 00000000ffffffff R15: ffffffff8eb3c860
veth_xmit+0x13a/0xad0 drivers/net/veth.c:355
__netdev_start_xmit include/linux/netdevice.h:5002 [inline]
netdev_start_xmit include/linux/netdevice.h:5011 [inline]
xmit_one net/core/dev.c:3590 [inline]
dev_hard_start_xmit+0x27a/0x7e0 net/core/dev.c:3606
__dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4434
dev_queue_xmit include/linux/netdevice.h:3168 [inline]
br_dev_queue_push_xmit+0x726/0x900 net/bridge/br_forward.c:53
NF_HOOK+0x700/0x7c0 include/linux/netfilter.h:314
br_nf_post_routing+0xa20/0xe80 net/bridge/br_netfilter_hooks.c:997
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_finish+0xd8/0x130 net/bridge/br_forward.c:66
br_nf_forward_finish+0xb49/0xfb0 net/bridge/br_netfilter_hooks.c:693
NF_HOOK+0x700/0x7c0 include/linux/netfilter.h:314
br_nf_forward_ip+0x61e/0x7b0 net/bridge/br_netfilter_hooks.c:747
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+0x14eb/0x4690 net/core/dev.c:5566
__netif_receive_skb_one_core net/core/dev.c:5670 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
process_backlog+0x662/0x15b0 net/core/dev.c:6117
__napi_poll+0xcb/0x490 net/core/dev.c:6877
napi_poll net/core/dev.c:6946 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:7068
handle_softirqs+0x2c5/0x980 kernel/softirq.c:554
run_ksoftirqd+0xca/0x130 kernel/softirq.c:943
smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164
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
net_ratelimit: 28972 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:a6:55:4e:e5:1a:b4, 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:a6:55:4e:e5:1a:b4, 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:a6:55:4e:e5:1a:b4, 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:a6:55:4e:e5:1a:b4, 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:a6:55:4e:e5:1a:b4, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
net_ratelimit: 28937 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 veth0_to_bridge with own address as source address (addr:a6:55:4e:e5:1a:b4, 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:a6:55:4e:e5:1a:b4, 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:a6:55:4e:e5:1a:b4, 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:a6:55:4e:e5:1a:b4, 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:a6:55:4e:e5:1a:b4, vlan:0)