bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:38:23:1c:c2:01, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:38:23:1c:c2:01, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P30038/1:b..l rcu: (detected by 0, t=10502 jiffies, g=153253, q=662 ncpus=1) task:syz.1.11046 state:R running task stack:26328 pid:30038 tgid:30037 ppid:6182 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7234 irqentry_exit+0x17b/0x670 kernel/entry/common.c:239 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:__update_page_owner_handle+0x242/0x550 mm/page_owner.c:258 Code: 89 ff 4d 39 fe 0f 83 6f 01 00 00 e8 78 69 89 ff 48 8b 1d 71 f8 21 0c 48 01 eb 48 8d 7b 08 48 89 f8 48 c1 e8 03 42 0f b6 04 28 <84> c0 74 08 3c 03 0f 8e d2 02 00 00 8b 44 24 0c 89 43 08 48 89 d8 RSP: 0018:ffffc90004aeeea8 EFLAGS: 00000a02 RAX: 0000000000000000 RBX: ffff88801de13fe8 RCX: ffffc90004399000 RDX: 0000000000080000 RSI: ffffffff827e91c8 RDI: ffff88801de13ff0 RBP: ffff88801de13fe0 R08: 0000000000000006 R09: 0000000000000002 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000002 __set_page_owner+0x11f/0x540 mm/page_owner.c:342 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x153/0x170 mm/page_alloc.c:1889 prep_new_page mm/page_alloc.c:1897 [inline] get_page_from_freelist+0x111d/0x3140 mm/page_alloc.c:3962 __alloc_frozen_pages_noprof+0x27c/0x2ba0 mm/page_alloc.c:5250 alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2484 folio_alloc_mpol_noprof+0x36/0x340 mm/mempolicy.c:2503 shmem_alloc_folio+0x135/0x160 mm/shmem.c:1930 shmem_alloc_and_add_folio+0x833/0xd40 mm/shmem.c:1959 shmem_get_folio_gfp+0xab1/0x1900 mm/shmem.c:2555 shmem_fault+0x1f9/0xa20 mm/shmem.c:2768 __do_fault+0x10d/0x550 mm/memory.c:5363 do_shared_fault mm/memory.c:5862 [inline] do_fault+0x2db/0x1950 mm/memory.c:5936 do_pte_missing mm/memory.c:4477 [inline] handle_pte_fault mm/memory.c:6316 [inline] __handle_mm_fault+0x180f/0x2b60 mm/memory.c:6454 handle_mm_fault+0x36d/0xa20 mm/memory.c:6623 faultin_page mm/gup.c:1126 [inline] __get_user_pages+0xf9c/0x34d0 mm/gup.c:1428 __get_user_pages_locked mm/gup.c:1692 [inline] faultin_page_range+0x1f1/0x9e0 mm/gup.c:1912 madvise_populate mm/madvise.c:974 [inline] madvise_do_behavior+0x354/0x510 mm/madvise.c:1933 do_madvise+0x195/0x240 mm/madvise.c:2028 __do_sys_madvise mm/madvise.c:2037 [inline] __se_sys_madvise mm/madvise.c:2035 [inline] __x64_sys_madvise+0xa9/0x110 mm/madvise.c:2035 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fcd67d9c629 RSP: 002b:00007fcd68b6f028 EFLAGS: 00000246 ORIG_RAX: 000000000000001c RAX: ffffffffffffffda RBX: 00007fcd68015fa0 RCX: 00007fcd67d9c629 RDX: 0000000000000017 RSI: ffffffffffff0005 RDI: 0000000000000000 RBP: 00007fcd67e32b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fcd68016038 R14: 00007fcd68015fa0 R15: 00007ffc27d8e0d8 net_ratelimit: 6203 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:38:23:1c:c2:01, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:38:23:1c:c2:01, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:38:23:1c:c2:01, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:38:23:1c:c2:01, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:38:23:1c:c2:01, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:38:23:1c:c2:01, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:38:23:1c:c2:01, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:38:23:1c:c2:01, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:38:23:1c:c2:01, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:38:23:1c:c2:01, vlan:0) net_ratelimit: 6161 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:38:23:1c:c2:01, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:38:23:1c:c2:01, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:38:23:1c:c2:01, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:38:23:1c:c2:01, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:38:23:1c:c2:01, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:38:23:1c:c2:01, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:38:23:1c:c2:01, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:38:23:1c:c2:01, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:38:23:1c:c2:01, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:c6:38:23:1c:c2:01, vlan:0)