bridge0: received packet on veth0_to_bridge with own address as source address (addr:b6:2a:11:5e:6c:b2, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5998/1:b..l rcu: (detected by 0, t=10502 jiffies, g=11389, q=1288 ncpus=2) task:syz.3.11 state:R running task stack:25960 pid:5998 tgid:5998 ppid:5838 task_flags:0x400040 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5325 [inline] __schedule+0x1798/0x4cc0 kernel/sched/core.c:6929 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7256 irqentry_exit+0x6f/0x90 kernel/entry/common.c:211 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:__kasan_check_byte+0x0/0x40 mm/kasan/common.c:578 Code: 44 24 48 a8 01 0f 84 da fe ff ff 48 ff c8 49 89 c4 e9 cf fe ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <0f> 1f 40 d6 41 56 53 48 89 f3 49 89 fe e8 2e 15 00 00 84 c0 75 16 RSP: 0018:ffffc9000aba72a8 EFLAGS: 00000202 RAX: 0000000000000001 RBX: 0000000000000000 RCX: 1c8474410fd5b900 RDX: 0000000000000000 RSI: ffffffff822f21fb RDI: ffffffff8df3d6a0 RBP: ffffffff822f21de R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000010 R11: ffffffff81ac2ea0 R12: 0000000000000002 R13: ffffffff8df3d6a0 R14: 0000000000000000 R15: 0000000000000000 kasan_check_byte include/linux/kasan.h:401 [inline] lock_acquire+0x8d/0x360 kernel/locking/lockdep.c:5842 rcu_lock_acquire include/linux/rcupdate.h:331 [inline] rcu_read_lock include/linux/rcupdate.h:867 [inline] __update_page_owner_free_handle+0x4b/0x470 mm/page_owner.c:274 __reset_page_owner+0x85/0x1f0 mm/page_owner.c:312 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1394 [inline] __free_frozen_pages+0xbc4/0xd30 mm/page_alloc.c:2906 discard_slab mm/slub.c:3330 [inline] __put_partials+0x146/0x170 mm/slub.c:3876 put_cpu_partial+0x1f2/0x2e0 mm/slub.c:3951 __slab_free+0x2b9/0x390 mm/slub.c:5929 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x97/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286 __kasan_kmalloc+0x22/0xb0 mm/kasan/common.c:408 kasan_kmalloc include/linux/kasan.h:262 [inline] __do_kmalloc_node mm/slub.c:5650 [inline] __kmalloc_node_noprof+0x56d/0x800 mm/slub.c:5656 kmalloc_array_node_noprof include/linux/slab.h:1075 [inline] alloc_slab_obj_exts+0x3e/0x100 mm/slub.c:2127 __memcg_slab_post_alloc_hook+0x31d/0x7d0 mm/memcontrol.c:3173 memcg_slab_post_alloc_hook mm/slub.c:2342 [inline] slab_post_alloc_hook mm/slub.c:4989 [inline] slab_alloc_node mm/slub.c:5288 [inline] kmem_cache_alloc_noprof+0x417/0x6e0 mm/slub.c:5295 vm_area_dup+0x2b/0x680 mm/vma_init.c:123 __split_vma+0x1a9/0xa00 mm/vma.c:515 split_vma mm/vma.c:598 [inline] vma_modify+0x12c3/0x1970 mm/vma.c:1623 vma_modify_flags+0x1e8/0x230 mm/vma.c:1649 mprotect_fixup+0x407/0x9c0 mm/mprotect.c:816 do_mprotect_pkey+0x8c5/0xcd0 mm/mprotect.c:990 __do_sys_mprotect mm/mprotect.c:1011 [inline] __se_sys_mprotect mm/mprotect.c:1008 [inline] __x64_sys_mprotect+0x80/0x90 mm/mprotect.c:1008 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8a0878f787 RSP: 002b:00007fff511f2c98 EFLAGS: 00000206 ORIG_RAX: 000000000000000a RAX: ffffffffffffffda RBX: 00007f8a095bb6c0 RCX: 00007f8a0878f787 RDX: 0000000000000003 RSI: 0000000000020000 RDI: 00007f8a0959c000 RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000 R10: 0000000000021000 R11: 0000000000000206 R12: 00007fff511f2df0 R13: ffffffffffffffc0 R14: 0000000000001000 R15: 0000000000000000 bridge0: received packet on veth0_to_bridge with own address as source address (addr:b6:2a:11:5e:6c:b2, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:b6:2a:11:5e:6c:b2, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:b6:2a:11:5e:6c:b2, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:b6:2a:11:5e:6c:b2, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:b6:2a:11:5e:6c:b2, vlan:0) net_ratelimit: 17581 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:b6:2a:11:5e:6c:b2, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:b6:2a:11:5e:6c:b2, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:b6:2a:11:5e:6c:b2, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:b6:2a:11:5e:6c:b2, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:b6:2a:11:5e:6c:b2, vlan:0)