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): P7348/1:b..l P5811/1:b..l P5189/1:b..l rcu: (detected by 1, t=10503 jiffies, g=11497, q=1298 ncpus=2) task:udevd state:R running task stack:24192 pid:5189 tgid:5189 ppid:1 flags:0x00004002 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:__reset_page_owner+0x77/0x400 mm/page_owner.c:297 Code: 33 0c 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 08 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 09 03 00 00 8b 43 08 00 28 00 00 41 bd 01 00 00 00 31 db 89 44 24 28 e8 23 dc ff ff RSP: 0018:ffffc90004b7f870 EFLAGS: 00000246 RAX: 000000000020038e RBX: ffff88801dd80fb8 RCX: ffffffff82089c24 RDX: 1ffff11003bb01f8 RSI: ffffffff82067da8 RDI: ffff88801dd80fc0 RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000004 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 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:2657 __put_partials+0x14c/0x170 mm/slub.c:3142 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:4104 [inline] slab_alloc_node mm/slub.c:4153 [inline] kmem_cache_alloc_noprof+0x226/0x3d0 mm/slub.c:4160 vm_area_dup+0x21/0x2f0 kernel/fork.c:487 dup_mmap kernel/fork.c:697 [inline] dup_mm kernel/fork.c:1695 [inline] copy_mm kernel/fork.c:1744 [inline] copy_process+0x7941/0x8df0 kernel/fork.c:2395 kernel_clone+0xfd/0x960 kernel/fork.c:2807 __do_sys_clone+0xba/0x100 kernel/fork.c:2950 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: 0033:0x7f42e36fca12 RSP: 002b:00007ffe54098498 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000562359c55601 RCX: 00007f42e36fca12 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 000000000000000a R08: 0000000000000000 R09: 0000562359c282c0 R10: 00007f42e3a93550 R11: 0000000000000246 R12: 0000562359c5b700 R13: 0000000000000000 R14: 0000000000000000 R15: 0000562359c282c0 task:syz-executor state:R running task stack:21520 pid:5811 tgid:5811 ppid:5806 flags:0x00004002 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:kasan_check_range+0x0/0x1a0 mm/kasan/generic.c:188 Code: 96 d4 ff ff 89 43 08 5b 5d 41 5c c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <66> 0f 1f 00 48 85 f6 0f 84 50 01 00 00 48 89 f8 41 54 44 0f b6 c2 RSP: 0018:ffffc900034875e0 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff82067e5a RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff88801e005320 RBP: ffff88801e005320 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000001e801d3 R11: 0000000000000002 R12: 0000000001e801d3 R13: 0000000000000001 R14: 0000000000000000 R15: ffff88801e005328 instrument_write include/linux/instrumented.h:40 [inline] ___clear_bit include/asm-generic/bitops/instrumented-non-atomic.h:44 [inline] __update_page_owner_free_handle mm/page_owner.c:272 [inline] __reset_page_owner+0xfa/0x400 mm/page_owner.c:298 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xa7b/0x14f0 mm/page_alloc.c:2704 folios_put_refs+0x587/0x7b0 mm/swap.c:962 folio_batch_release include/linux/pagevec.h:101 [inline] shmem_undo_range+0x586/0x1170 mm/shmem.c:1040 shmem_truncate_range mm/shmem.c:1152 [inline] shmem_evict_inode+0x3a3/0xba0 mm/shmem.c:1280 evict+0x409/0x960 fs/inode.c:796 iput_final fs/inode.c:1946 [inline] iput fs/inode.c:1972 [inline] iput+0x52a/0x890 fs/inode.c:1958 do_unlinkat+0x5c3/0x760 fs/namei.c:4594 __do_sys_unlink fs/namei.c:4635 [inline] __se_sys_unlink fs/namei.c:4633 [inline] __x64_sys_unlink+0xc5/0x110 fs/namei.c:4633 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: 0033:0x7f6c2597f487 RSP: 002b:00007ffda8ee2538 EFLAGS: 00000206 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6c2597f487 RDX: 00007ffda8ee2560 RSI: 00007ffda8ee25f0 RDI: 00007ffda8ee25f0 RBP: 00007ffda8ee25f0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffda8ee3670 R13: 00007f6c259f3ab4 R14: 00000000000189a7 R15: 00007ffda8ee36b0 task:syz.2.412 state:R running task stack:28608 pid:7348 tgid:7347 ppid:5813 flags:0x00000002 Call Trace: 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:2657 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 kmalloc_noprof include/linux/slab.h:901 [inline] kzalloc_noprof include/linux/slab.h:1037 [inline] ref_tracker_alloc+0x17c/0x5b0 lib/ref_tracker.c:203 __netns_tracker_alloc include/net/net_namespace.h:340 [inline] netns_tracker_alloc include/net/net_namespace.h:349 [inline] get_net_track include/net/net_namespace.h:366 [inline] sk_alloc+0x206/0xb90 net/core/sock.c:2230 inet6_create net/ipv6/af_inet6.c:193 [inline] inet6_create+0x380/0x1320 net/ipv6/af_inet6.c:120 __sock_create+0x335/0x8d0 net/socket.c:1558 sock_create net/socket.c:1616 [inline] __sys_socket_create net/socket.c:1653 [inline] __sys_socket+0x14f/0x260 net/socket.c:1700 __do_sys_socket net/socket.c:1714 [inline] __se_sys_socket net/socket.c:1712 [inline] __x64_sys_socket+0x72/0xb0 net/socket.c:1712 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: 0033:0x7f3f2bf7fed9 RSP: 002b:00007f3f2cd06058 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007f3f2c145fa0 RCX: 00007f3f2bf7fed9 RDX: 0000000000000088 RSI: 0000000000000002 RDI: 000000000000000a RBP: 00007f3f2bff3cc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f3f2c145fa0 R15: 00007fff8f10b048 rcu: rcu_preempt kthread starved for 10600 jiffies! g11497 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:27600 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: CPU: 1 UID: 0 PID: 24 Comm: ksoftirqd/1 Not tainted 6.13.0-rc1-syzkaller-00337-g7503345ac5f5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:59 [inline] RIP: 0010:unwind_next_frame+0xe26/0x20c0 arch/x86/kernel/unwind_orc.c:665 Code: 00 0f 85 4d 0e 00 00 49 8d 7d 10 49 8b 6d 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 7c 0c 00 00 <48> 39 dd 49 8b 45 10 77 24 48 39 d8 76 1f 48 8d 53 08 48 39 d0 0f RSP: 0018:ffffc900001e6a98 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffffc900001e6b58 RCX: ffffc900001e8000 RDX: 1ffff9200003cd6d RSI: ffffc900001e6b28 RDI: ffffc900001e6b68 RBP: ffffc900001e0000 R08: ffffc900001e6b8c R09: ffffffff90f1668c R10: ffffc900001e6b58 R11: 0000000000004965 R12: ffffc900001e6ba8 R13: ffffc900001e6b58 R14: ffffc900001e6b58 R15: ffffc900001e6b50 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000562359c40060 CR3: 000000000df7e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __unwind_start+0x45f/0x7f0 arch/x86/kernel/unwind_orc.c:760 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 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:4104 [inline] slab_alloc_node mm/slub.c:4153 [inline] kmem_cache_alloc_noprof+0x226/0x3d0 mm/slub.c:4160 skb_ext_maybe_cow net/core/skbuff.c:6942 [inline] skb_ext_add+0xf8/0x770 net/core/skbuff.c:7016 nf_bridge_unshare net/bridge/br_netfilter_hooks.c:169 [inline] br_nf_forward_ip.part.0+0x28/0x820 net/bridge/br_netfilter_hooks.c:712 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 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: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:554 run_ksoftirqd kernel/softirq.c:943 [inline] run_ksoftirqd+0x3a/0x60 kernel/softirq.c:935 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: 27665 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:1b, 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 veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)