syzbot

bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5179/1:b..l P5483/1:b..l
rcu: 	(detected by 0, t=10503 jiffies, g=4825, q=558 ncpus=2)
task:dhcpcd          state:R  running task     stack:24496 pid:5483  tgid:5483  ppid:1      flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6935
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
 unwind_next_frame+0x1776/0x20c0 arch/x86/kernel/unwind_orc.c:672
 arch_stack_walk+0x95/0x100 arch/x86/kernel/stacktrace.c:25
 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+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]
 tomoyo_realpath_from_path+0xb9/0x720 security/tomoyo/realpath.c:251
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path_number_perm+0x248/0x590 security/tomoyo/file.c:723
 security_file_ioctl+0x9b/0x240 security/security.c:2908
 __do_sys_ioctl fs/ioctl.c:900 [inline]
 __se_sys_ioctl fs/ioctl.c:892 [inline]
 __x64_sys_ioctl+0xb7/0x200 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: 0033:0x7f1d2e1e0d49
RSP: 002b:00007ffd4ee7dde8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000056013c7b1200 RCX: 00007f1d2e1e0d49
RDX: 00007ffd4ee7ddf0 RSI: 0000000000008921 RDI: 0000000000000011
RBP: 0000000000000000 R08: 0000000000000008 R09: 0000000000000036
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd4ee7ddf0
R13: 000056012eeeef88 R14: 000056013c7b1200 R15: 000056013c7b5050
 </TASK>
task:klogd           state:R  running task     stack:24752 pid:5179  tgid:5179  ppid:1      flags:0x00000002
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:save_stack+0x165/0x1f0 mm/page_owner.c:157
Code: 04 02 84 c0 74 08 3c 01 0f 8e 8f 00 00 00 80 8d 81 05 00 00 08 ba 02 00 00 00 be 10 00 00 00 4c 89 e7 e8 8e af 7f ff 44 89 ea <4c> 89 e7 89 c6 e8 21 85 c9 02 31 ff 89 c5 89 c6 e8 a6 e8 93 ff 85
RSP: 0018:ffffc90003cc75f0 EFLAGS: 00000283
RAX: 000000000000000f RBX: 1ffff92000798ebe RCX: ffffc90003cc73f0
RDX: 0000000000002800 RSI: 0000000000000000 RDI: ffff8880764f0444
RBP: ffff8880764f0000 R08: 0000000000000000 R09: fffffbfff20befe2
R10: ffffffff905f7f17 R11: 0000000000000002 R12: ffffc90003cc7610
R13: 0000000000002800 R14: dffffc0000000000 R15: 0000000000000000
 __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_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]
 __do_kmalloc_node mm/slub.c:4297 [inline]
 __kmalloc_node_track_caller_noprof+0x1d3/0x510 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: 0033:0x7f4d84d309b5
RSP: 002b:00007ffdb2beb838 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4d84d309b5
RDX: 00000000000000a0 RSI: 000055f15425d860 RDI: 0000000000000003
RBP: 000055f1542572c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013
R13: 00007f4d84ebe212 R14: 00007ffdb2beb938 R15: 0000000000000000
 </TASK>
rcu: rcu_preempt kthread starved for 10583 jiffies! g4825 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:28472 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: 16 Comm: ksoftirqd/0 Not tainted 6.13.0-rc7-syzkaller-00191-gfda5e3f28400 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:__sanitizer_cov_trace_cmp1+0x0/0x20 kernel/kcov.c:275
Code: 38 4c 89 44 30 e0 4c 89 4c 30 e8 4c 89 54 30 f0 4a 89 4c d8 20 c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 8b 0c 24 40 0f b6 d6 40 0f b6 f7 31 ff e9 49 ff ff
RSP: 0018:ffffc90000156898 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff89f15a62
RDX: ffff88801d288000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8881893dc280 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000003 R12: ffff888031a7f404
R13: 0000000000000000 R14: ffff888031a7f380 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1d2e2be580 CR3: 0000000034484000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 ip6_packet_match net/ipv6/netfilter/ip6_tables.c:59 [inline]
 ip6t_do_table+0x674/0x1d40 net/ipv6/netfilter/ip6_tables.c:306
 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_post_routing+0x8c4/0x11b0 net/bridge/br_netfilter_hooks.c:997
 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_finish+0xcd/0x130 net/bridge/br_forward.c:66
 br_nf_hook_thresh+0x303/0x410 net/bridge/br_netfilter_hooks.c:1198
 br_nf_forward_finish+0x66a/0xba0 net/bridge/br_netfilter_hooks.c:693
 NF_HOOK include/linux/netfilter.h:314 [inline]
 NF_HOOK include/linux/netfilter.h:308 [inline]
 br_nf_forward_ip.part.0+0x610/0x820 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: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
 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>
bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:6b:6d:52:22:f8, 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 bridge_slave_0 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: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 bridge_slave_0 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:c6:6b:6d:52:22:f8, vlan:0)