bridge0: received packet on veth0_to_bridge with own address as source address (addr:32:91:fb:8d:1d:26, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P30455/1:b..l rcu: (detected by 0, t=10503 jiffies, g=145817, q=1694 ncpus=2) task:syz.4.6270 state:R running task stack:23032 pid:30455 tgid:30451 ppid:29095 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0x1585/0x5340 kernel/sched/core.c:6907 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7234 irqentry_exit+0x599/0x620 kernel/entry/common.c:239 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:unwind_next_frame+0xc89/0x23c0 arch/x86/kernel/unwind_orc.c:596 Code: c0 0f 85 99 15 00 00 48 89 d8 48 c1 e8 03 0f b6 04 28 84 c0 0f 85 b0 15 00 00 48 0f bf 02 49 01 c4 48 8d 5e 01 48 8b 44 24 40 <0f> b6 04 28 84 c0 0f 85 68 11 00 00 49 89 df 49 c1 ef 03 41 0f b6 RSP: 0018:ffffc90003ee64d8 EFLAGS: 00000286 RAX: 1ffffffff216b824 RBX: ffffffff90b5c121 RCX: ffffffff90346320 RDX: ffffffff90b5c11c RSI: ffffffff90b5c120 RDI: ffffffff8c27a420 RBP: dffffc0000000000 R08: 000000000000000c R09: ffffffff8e7602e0 R10: ffffc90003ee65f8 R11: ffffffff81b0b130 R12: ffffc90003ee6b30 R13: ffffc90003ee65f8 R14: ffffc90003ee65a8 R15: ffffc90003ee65e0 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122 save_stack+0x122/0x230 mm/page_owner.c:165 __reset_page_owner+0x71/0x1f0 mm/page_owner.c:320 reset_page_owner include/linux/page_owner.h:25 [inline] __free_pages_prepare mm/page_alloc.c:1433 [inline] __free_frozen_pages+0xc2b/0xdb0 mm/page_alloc.c:2978 __slab_free+0x263/0x2b0 mm/slub.c:5532 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x97/0x100 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:350 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4501 [inline] slab_alloc_node mm/slub.c:4830 [inline] kmem_cache_alloc_noprof+0x2bc/0x650 mm/slub.c:4837 lsm_inode_alloc security/security.c:228 [inline] security_inode_alloc+0x39/0x310 security/security.c:1189 inode_init_always_gfp+0x9ed/0xdc0 fs/inode.c:307 inode_init_always include/linux/fs.h:2922 [inline] alloc_inode+0x82/0x1b0 fs/inode.c:354 new_inode+0x22/0x170 fs/inode.c:1185 debugfs_get_inode fs/debugfs/inode.c:72 [inline] __debugfs_create_file+0xb8/0x400 fs/debugfs/inode.c:433 debugfs_create_file_full+0x3f/0x60 fs/debugfs/inode.c:460 ref_tracker_dir_debugfs+0x197/0x360 lib/ref_tracker.c:441 ref_tracker_dir_init include/linux/ref_tracker.h:70 [inline] alloc_netdev_mqs+0x272/0x11b0 net/core/dev.c:12026 rtnl_create_link+0x31f/0xd70 net/core/rtnetlink.c:3648 rtnl_newlink_create+0x277/0xb70 net/core/rtnetlink.c:3830 __rtnl_newlink net/core/rtnetlink.c:3957 [inline] rtnl_newlink+0x1666/0x1be0 net/core/rtnetlink.c:4072 rtnetlink_rcv_msg+0x7d5/0xbe0 net/core/rtnetlink.c:6958 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg net/socket.c:742 [inline] ____sys_sendmsg+0xa68/0xad0 net/socket.c:2592 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2646 __sys_sendmsg net/socket.c:2678 [inline] __do_sys_sendmsg net/socket.c:2683 [inline] __se_sys_sendmsg net/socket.c:2681 [inline] __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2681 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0a1cb9c629 RSP: 002b:00007f0a1dacc028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f0a1ce16090 RCX: 00007f0a1cb9c629 RDX: 0000000000040000 RSI: 0000200000000040 RDI: 0000000000000006 RBP: 00007f0a1cc32b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f0a1ce16128 R14: 00007f0a1ce16090 R15: 00007ffe7d63e258 bridge0: received packet on veth0_to_bridge with own address as source address (addr:32:91:fb:8d:1d:26, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:32:91:fb:8d:1d:26, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:32:91:fb:8d:1d:26, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:32:91:fb:8d:1d:26, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:32:91:fb:8d:1d:26, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:32:91:fb:8d:1d:26, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:32:91:fb:8d:1d:26, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:32:91:fb:8d:1d:26, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:32:91:fb:8d:1d:26, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:32:91:fb:8d:1d:26, vlan:0)