bridge0: received packet on bridge_slave_1 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): P12306/1:b..l rcu: (detected by 1, t=10503 jiffies, g=78453, q=200516 ncpus=2) task:syz.4.1823 state:R running task stack:26440 pid:12306 tgid:12302 ppid:6786 task_flags:0x400140 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5357 [inline] __schedule+0x1798/0x4cc0 kernel/sched/core.c:6961 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7288 irqentry_exit+0x6f/0x90 kernel/entry/common.c:197 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:xas_descend lib/xarray.c:218 [inline] RIP: 0010:xas_load+0x459/0x5b0 lib/xarray.c:246 Code: c1 0f 8c f5 fe ff ff 48 8b 3c 24 e8 61 ad a0 f6 e9 e7 fe ff ff 41 83 e7 3f e8 13 04 3d f6 eb 05 e8 0c 04 3d f6 4c 8b 64 24 38 <4c> 89 e0 48 c1 e8 03 42 0f b6 04 28 84 c0 48 8b 1c 24 0f 85 da 00 RSP: 0018:ffffc90003937040 EFLAGS: 00000246 RAX: ffffffff8b83cabd RBX: dffffc0000000000 RCX: 0000000000080000 RDX: ffffc90017be3000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: ffff8880477f2680 R08: ffff88802cb88000 R09: 0000000000000002 R10: 0000000000000003 R11: 0000000000000002 R12: ffffc900039371d2 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000010 xas_find+0x157/0x990 lib/xarray.c:1406 find_get_entry mm/filemap.c:2037 [inline] find_get_entries+0x1cf/0x7f0 mm/filemap.c:2092 invalidate_inode_pages2_range+0x13f/0xa80 mm/truncate.c:663 kiocb_invalidate_post_direct_write+0x12d/0x2c0 mm/filemap.c:4098 blkdev_direct_write+0x9e/0x140 block/fops.c:718 blkdev_write_iter+0x547/0x710 block/fops.c:784 iter_file_splice_write+0x975/0x10e0 fs/splice.c:738 do_splice_from fs/splice.c:938 [inline] direct_splice_actor+0x101/0x160 fs/splice.c:1161 splice_direct_to_actor+0x5a5/0xcc0 fs/splice.c:1105 do_splice_direct_actor fs/splice.c:1204 [inline] do_splice_direct+0x181/0x270 fs/splice.c:1230 do_sendfile+0x4da/0x7e0 fs/read_write.c:1370 __do_sys_sendfile64 fs/read_write.c:1431 [inline] __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1417 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: 0033:0x7f1e5c18ebe9 RSP: 002b:00007f1e5cf26038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f1e5c3c6090 RCX: 00007f1e5c18ebe9 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 0000000000000009 RBP: 00007f1e5c211e19 R08: 0000000000000000 R09: 0000000000000000 R10: 000000007ffff000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f1e5c3c6128 R14: 00007f1e5c3c6090 R15: 00007ffe426a47f8 bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:fa:c8:7b:ce:e1:ff, vlan:0) bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:fa:c8:7b:ce:e1:ff, vlan:0) net_ratelimit: 24248 callbacks suppressed bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:fa:c8:7b:ce:e1:ff, vlan:0) bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)