bridge0: received packet on veth0_to_bridge with own address as source address (addr:2e:78:c9:10:8b:7a, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5181/1:b..l P5833/1:b..l
rcu: (detected by 0, t=10503 jiffies, g=6253, q=1206 ncpus=2)
task:udevd state:R running task stack:26000 pid:5833 tgid:5833 ppid:5192 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5373 [inline]
__schedule+0x1142/0x5b60 kernel/sched/core.c:6760
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7082
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:__unwind_start+0x3e1/0x7f0 arch/x86/kernel/unwind_orc.c:729
Code: 00 fc ff df 48 89 fa 41 0f 94 c5 48 c1 ea 03 0f b6 04 02 48 89 fa 83 e2 07 38 d0 7f 09 84 c0 74 05 e8 73 5d b3 00 45 88 6e 35 <4d> 8d 6e 20 4c 89 f2 48 89 ee 4c 89 e9 4c 89 e7 e8 8a 6b f3 ff 85
RSP: 0018:ffffc900048ff0c0 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffffc900048ff1a0 RCX: ffffffff81495964
RDX: 1ffff9200091fe29 RSI: 0000000000000000 RDI: ffffc900048ff170
RBP: ffff8880267ba440 R08: 0000000000000001 R09: 0000000000000000
R10: ffffc900048ff110 R11: 0000000000000004 R12: ffffc900048ff0c0
R13: ffffc900048ff1d0 R14: ffffc900048ff110 R15: ffffc900048ff138
unwind_start arch/x86/include/asm/unwind.h:64 [inline]
arch_stack_walk+0x74/0x100 arch/x86/kernel/stacktrace.c:24
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
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+0x8a/0xb0 mm/kasan/common.c:385
kasan_kmalloc include/linux/kasan.h:260 [inline]
__do_kmalloc_node mm/slub.c:4298 [inline]
__kmalloc_noprof+0x21c/0x510 mm/slub.c:4310
kmalloc_noprof include/linux/slab.h:905 [inline]
kzalloc_noprof include/linux/slab.h:1037 [inline]
tomoyo_encode2+0x100/0x3e0 security/tomoyo/realpath.c:45
tomoyo_encode+0x29/0x50 security/tomoyo/realpath.c:80
tomoyo_realpath_from_path+0x19d/0x720 security/tomoyo/realpath.c:283
tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
tomoyo_path_number_perm+0x248/0x590 security/tomoyo/file.c:723
tomoyo_path_mknod+0x10d/0x190 security/tomoyo/tomoyo.c:252
security_path_mknod+0x161/0x310 security/security.c:1893
may_o_create fs/namei.c:3468 [inline]
lookup_open.isra.0+0xc0f/0x1580 fs/namei.c:3612
open_last_lookups fs/namei.c:3748 [inline]
path_openat+0x904/0x2d70 fs/namei.c:3984
do_filp_open+0x20c/0x470 fs/namei.c:4014
do_sys_openat2+0x17a/0x1e0 fs/open.c:1395
do_sys_open fs/open.c:1410 [inline]
__do_sys_openat fs/open.c:1426 [inline]
__se_sys_openat fs/open.c:1421 [inline]
__x64_sys_openat+0x175/0x210 fs/open.c:1421
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: 0033:0x7fd48fb169a4
RSP: 002b:00007ffea978be40 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd48fb169a4
RDX: 0000000000080241 RSI: 00007ffea978c388 RDI: 00000000ffffff9c
RBP: 00007ffea978c388 R08: 0000000000000004 R09: 0000000000000001
R10: 00000000000001b6 R11: 0000000000000246 R12: 0000000000080241
R13: 00005636e00c872e R14: 0000000000000001 R15: 0000563718e5c2c0
task:klogd state:R running task stack:24384 pid:5181 tgid:5181 ppid:1 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5373 [inline]
__schedule+0x1142/0x5b60 kernel/sched/core.c:6760
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7082
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:memset_orig+0x29/0xb0 arch/x86/lib/memset_64.S:62
Code: 90 66 0f 1f 00 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 01 01 48 0f af c1 41 89 f9 41 83 e1 07 75 70 48 89 d1 48 c1 e9 06 <74> 35 0f 1f 44 00 00 48 ff c9 48 89 07 48 89 47 08 48 89 47 10 48
RSP: 0018:ffffc9000446f4b8 EFLAGS: 00000203
RAX: 0000000000000000 RBX: ffffc9000446f5a0 RCX: 0000000000000001
RDX: 0000000000000060 RSI: 0000000000000000 RDI: ffffc9000446f510
RBP: ffff88806c3dc880 R08: 0000000000000001 R09: 0000000000000000
R10: ffffc9000446f510 R11: 0000000000000001 R12: 0000000000000000
R13: ffffc9000446f5d0 R14: ffffc9000446f510 R15: ffffc9000446f538
__unwind_start+0x2e/0x7f0 arch/x86/kernel/unwind_orc.c:688
unwind_start arch/x86/include/asm/unwind.h:64 [inline]
arch_stack_walk+0x74/0x100 arch/x86/kernel/stacktrace.c:24
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
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+0x8a/0xb0 mm/kasan/common.c:385
kasan_kmalloc include/linux/kasan.h:260 [inline]
__do_kmalloc_node mm/slub.c:4298 [inline]
__kmalloc_node_track_caller_noprof+0x222/0x510 mm/slub.c:4317
kmalloc_reserve+0xef/0x2c0 net/core/skbuff.c:609
__alloc_skb+0x164/0x380 net/core/skbuff.c:678
alloc_skb include/linux/skbuff.h:1323 [inline]
alloc_skb_with_frags+0xe4/0x850 net/core/skbuff.c:6612
sock_alloc_send_pskb+0x7f1/0x980 net/core/sock.c:2884
unix_dgram_sendmsg+0x4b8/0x19e0 net/unix/af_unix.c:2027
sock_sendmsg_nosec net/socket.c:711 [inline]
__sock_sendmsg net/socket.c:726 [inline]
__sys_sendto+0x488/0x4f0 net/socket.c:2197
__do_sys_sendto net/socket.c:2204 [inline]
__se_sys_sendto net/socket.c:2200 [inline]
__x64_sys_sendto+0xe0/0x1c0 net/socket.c:2200
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: 0033:0x7f7708f9c9b5
RSP: 002b:00007ffdad036e38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7708f9c9b5
RDX: 000000000000005b RSI: 000055dedffdb5f0 RDI: 0000000000000003
RBP: 000055dedffd42c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013
R13: 00007f770912a212 R14: 00007ffdad036f38 R15: 0000000000000000
rcu: rcu_preempt kthread starved for 7822 jiffies! g6253 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:27488 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5373 [inline]
__schedule+0x1142/0x5b60 kernel/sched/core.c:6760
__schedule_loop kernel/sched/core.c:6837 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6852
schedule_timeout+0x124/0x280 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2024
rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2226
kthread+0x3af/0x750 kernel/kthread.c:464
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.13.0-syzkaller-02526-gc4b9570cfb63 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:217 [inline]
RIP: 0010:unwind_next_frame+0x1c8/0x20c0 arch/x86/kernel/unwind_orc.c:494
Code: 56 ff 39 d0 0f 83 09 15 00 00 48 ba 00 00 00 00 00 fc ff df 89 c1 48 8d 3c 8d e0 61 ad 91 49 89 f8 49 c1 e8 03 45 0f b6 04 10 <48> 89 fa 83 e2 07 83 c2 03 44 38 c2 7c 2f 45 84 c0 74 2a 48 89 4c
RSP: 0018:ffffc90000006e98 EFLAGS: 00000a02
RAX: 0000000000073bb4 RBX: 0000000000000001 RCX: 0000000000073bb4
RDX: dffffc0000000000 RSI: 00000000000a6001 RDI: ffffffff91ca50b0
RBP: ffffc90000006f50 R08: 0000000000000000 R09: ffffffff91a5f7a4
R10: ffffc90000006f08 R11: 0000000000073bb4 R12: ffffc90000006f58
R13: ffffc90000006f08 R14: ffffc90000006f3d R15: ffffffff883bb4cd
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc14ffef8c CR3: 00000000607da000 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
unpoison_slab_object mm/kasan/common.c:319 [inline]
__kasan_slab_alloc+0x89/0x90 mm/kasan/common.c:345
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]
kmem_cache_alloc_noprof+0x226/0x3d0 mm/slub.c:4175
skb_clone+0x190/0x3f0 net/core/skbuff.c:2084
deliver_clone+0x3f/0xa0 net/bridge/br_forward.c:125
maybe_deliver+0xa7/0x120 net/bridge/br_forward.c:190
br_flood+0x17e/0x5c0 net/bridge/br_forward.c:236
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:5598
__netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5702
__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
__do_softirq kernel/softirq.c:595 [inline]
invoke_softirq kernel/softirq.c:435 [inline]
__irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
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:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:92 [inline]
RIP: 0010:acpi_safe_halt+0x1a/0x20 drivers/acpi/processor_idle.c:112
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 65 48 8b 05 38 2a d4 74 48 8b 00 a8 08 75 0c 66 90 0f 00 2d 08 b3 ae 00 fb f4 c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffffff8de07d70 EFLAGS: 00000246
RAX: 0000000000004000 RBX: 0000000000000001 RCX: ffffffff8b2f9239
RDX: 0000000000000001 RSI: ffff888143ee7000 RDI: ffff888143ee7064
RBP: ffff888143ee7064 R08: 0000000000000001 R09: ffffed10170c6f7d
R10: ffff8880b8637beb R11: 0000000000000000 R12: ffff88801c34e000
R13: ffffffff8ee2c420 R14: 0000000000000000 R15: 0000000000000000
acpi_idle_enter+0xc5/0x160 drivers/acpi/processor_idle.c:699
cpuidle_enter_state+0xaa/0x4f0 drivers/cpuidle/cpuidle.c:268
cpuidle_enter+0x4e/0xa0 drivers/cpuidle/cpuidle.c:389
cpuidle_idle_call kernel/sched/idle.c:230 [inline]
do_idle+0x310/0x3f0 kernel/sched/idle.c:325
cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:423
rest_init+0x16b/0x2b0 init/main.c:747
start_kernel+0x3e9/0x4d0 init/main.c:1103
x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:507
x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:488
common_startup_64+0x13e/0x148
net_ratelimit: 28853 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2e:78:c9:10:8b:7a, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2e:78:c9:10:8b:7a, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2e:78:c9:10:8b:7a, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2e:78:c9:10:8b:7a, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2e:78:c9:10:8b:7a, vlan:0)
net_ratelimit: 39299 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2e:78:c9:10:8b:7a, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2e:78:c9:10:8b:7a, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2e:78:c9:10:8b:7a, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2e:78:c9:10:8b:7a, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:2e:78:c9:10:8b:7a, vlan:0)