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) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P26101/1:b..l rcu: (detected by 1, t=10502 jiffies, g=175361, q=350 ncpus=1) task:syz.8.3753 state:R running task stack:24936 pid:26101 tgid:26100 ppid:17106 task_flags:0x400140 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0x116f/0x5de0 kernel/sched/core.c:6767 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7090 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:rcu_read_lock_held_common kernel/rcu/update.c:109 [inline] RIP: 0010:rcu_read_lock_held+0x19/0x50 kernel/rcu/update.c:349 Code: 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa e8 b7 7f cf 09 ba 01 00 00 00 85 c0 75 07 89 d0 c3 cc cc cc cc 82 eb 00 00 84 c0 74 1a e8 49 ec 00 00 84 c0 74 11 be ff ff ff RSP: 0018:ffffc90004536c78 EFLAGS: 00000202 RAX: 0000000000000001 RBX: 000000000007cab8 RCX: ffffc90004af1000 RDX: 0000000000000001 RSI: ffffffff822a9380 RDI: ffff88813fffa5f0 RBP: ffff88801ce80000 R08: 0000000000000007 R09: 000000000007ffff R10: 000000000000000f R11: 0000000000000000 R12: ffff88813fffa400 R13: 0000000000000000 R14: 0000000000000003 R15: dffffc0000000000 lookup_page_ext+0xe8/0x190 mm/page_ext.c:254 page_ext_iter_begin include/linux/page_ext.h:132 [inline] __page_table_check_zero+0x18b/0x5b0 mm/page_table_check.c:139 page_table_check_free include/linux/page_table_check.h:41 [inline] free_pages_prepare mm/page_alloc.c:1263 [inline] __free_frozen_pages+0x704/0xff0 mm/page_alloc.c:2725 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:4161 [inline] slab_alloc_node mm/slub.c:4210 [inline] kmem_cache_alloc_noprof+0x1cb/0x3b0 mm/slub.c:4217 lsm_inode_alloc security/security.c:755 [inline] security_inode_alloc+0x3b/0x2b0 security/security.c:1697 inode_init_always_gfp+0xce4/0x1030 fs/inode.c:306 inode_init_always include/linux/fs.h:3226 [inline] alloc_inode+0x86/0x240 fs/inode.c:353 new_inode+0x22/0x1c0 fs/inode.c:1145 debugfs_get_inode fs/debugfs/inode.c:72 [inline] __debugfs_create_file+0x11c/0x6b0 fs/debugfs/inode.c:447 debugfs_create_file_short+0x41/0x60 fs/debugfs/inode.c:485 add_files net/mac80211/debugfs_netdev.c:943 [inline] ieee80211_debugfs_add_netdev net/mac80211/debugfs_netdev.c:1011 [inline] ieee80211_debugfs_recreate_netdev+0x29e/0x17e0 net/mac80211/debugfs_netdev.c:1035 ieee80211_if_add+0x9c3/0x1a40 net/mac80211/iface.c:2202 ieee80211_register_hw+0x3836/0x4020 net/mac80211/main.c:1604 mac80211_hwsim_new_radio+0x3034/0x54d0 drivers/net/wireless/virtual/mac80211_hwsim.c:5559 hwsim_new_radio_nl+0xb51/0x12c0 drivers/net/wireless/virtual/mac80211_hwsim.c:6243 genl_family_rcv_msg_doit+0x206/0x2f0 net/netlink/genetlink.c:1115 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x55c/0x800 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x16a/0x440 net/netlink/af_netlink.c:2534 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline] netlink_unicast+0x53a/0x7f0 net/netlink/af_netlink.c:1339 netlink_sendmsg+0x8d1/0xdd0 net/netlink/af_netlink.c:1883 sock_sendmsg_nosec net/socket.c:712 [inline] __sock_sendmsg net/socket.c:727 [inline] ____sys_sendmsg+0xa95/0xc70 net/socket.c:2566 ___sys_sendmsg+0x134/0x1d0 net/socket.c:2620 __sys_sendmsg+0x16d/0x220 net/socket.c:2652 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5e8118e969 RSP: 002b:00007f5e81f17038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f5e813b5fa0 RCX: 00007f5e8118e969 RDX: 0000000000018800 RSI: 0000200000001400 RDI: 0000000000000005 RBP: 00007f5e81210ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f5e813b5fa0 R15: 00007fffdfbdecf8 net_ratelimit: 13476 callbacks suppressed 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:6a:fa:a5:4a:ee:2a, 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) 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:6a:fa:a5:4a:ee:2a, 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) 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:6a:fa:a5:4a:ee:2a, vlan:0) net_ratelimit: 15812 callbacks suppressed 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) 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:6a:fa:a5:4a:ee:2a, 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) 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:6a:fa:a5:4a:ee:2a, 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)