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) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P3360/1:b..l rcu: (detected by 1, t=10513 jiffies, g=167005, q=1896 ncpus=2) task:syz-executor state:R running task stack:28200 pid:3360 tgid:3360 ppid:32117 task_flags:0x400040 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5533 [inline] __schedule+0x17db/0x58f0 kernel/sched/core.c:7284 preempt_schedule_irq+0x4b/0x90 kernel/sched/core.c:7606 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline] irqentry_exit+0x14f/0x920 kernel/entry/common.c:167 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:121 [inline] RIP: 0010:lock_release+0x67/0x3c0 kernel/locking/lockdep.c:5956 Code: 0f a3 05 94 db d6 0f 73 0d e8 f5 04 09 00 84 c0 0f 84 9e 02 00 00 83 3d 86 0c d7 0f 00 0f 84 26 02 00 00 65 8b 05 b1 bb f2 12 <85> c0 0f 85 17 02 00 00 65 4c 8b 3d f1 76 f2 12 41 83 bf a4 0b 00 RSP: 0018:ffffc9000d9b7878 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffffc9000d9b7998 RCX: 8000000000000001 RDX: ffffc9000d9b7901 RSI: ffffffff8c6ddb60 RDI: ffffffff8c6ddb20 RBP: 1ffffffff243f401 R08: ffffc9000d9b7ca0 R09: 0000000000000000 R10: ffffc9000d9b79d8 R11: fffff52001b36f3d R12: ffffc9000d9b0000 R13: ffffffff817811df R14: ffffffff8fd5c8e0 R15: ffffc9000d9b7cb0 rcu_lock_release include/linux/rcupdate.h:319 [inline] rcu_read_unlock include/linux/rcupdate.h:880 [inline] class_rcu_destructor include/linux/rcupdate.h:1216 [inline] unwind_next_frame+0x1baa/0x2550 arch/x86/kernel/unwind_orc.c:709 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:183 __reset_page_owner+0x71/0x1f0 mm/page_owner.c:338 reset_page_owner include/linux/page_owner.h:26 [inline] __free_pages_prepare mm/page_alloc.c:1418 [inline] __free_frozen_pages+0xc93/0xd90 mm/page_alloc.c:2962 __slab_free+0x274/0x2c0 mm/slub.c:5823 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x99/0x100 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:361 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4683 [inline] slab_alloc_node mm/slub.c:4996 [inline] kmem_cache_alloc_noprof+0x2b9/0x600 mm/slub.c:5010 alloc_filename fs/namei.c:147 [inline] do_getname+0x2e/0x250 fs/namei.c:187 getname_flags fs/namei.c:230 [inline] getname include/linux/fs.h:2560 [inline] class_filename_constructor include/linux/fs.h:2587 [inline] __do_sys_symlinkat fs/namei.c:5867 [inline] __se_sys_symlinkat+0x3d/0x2b0 fs/namei.c:5863 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9a4059d617 RSP: 002b:00007ffca5a12c18 EFLAGS: 00000206 ORIG_RAX: 000000000000010a RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9a4059d617 RDX: 00007f9a40636a9b RSI: 00000000ffffff9c RDI: 00007ffca5a12cb0 RBP: 00007ffca5a12c5c R08: 0000000000000001 R09: 00000000ffffffff R10: 0000000000000000 R11: 0000000000000206 R12: 000000000000009c R13: 00000000000927c0 R14: 00000000000e332f R15: 00007ffca5a12cb0 net_ratelimit: 9357 callbacks suppressed bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:16:2d:5a:10:2c:eb, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:16:2d:5a:10:2c:eb, 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 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 bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:16:2d:5a:10:2c:eb, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:16:2d:5a:10:2c:eb, vlan:0) net_ratelimit: 10281 callbacks suppressed bridge0: received packet on veth1_to_bridge with own address as source address (addr:16:2d:5a:10:2c:eb, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:16:2d:5a:10:2c:eb, 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 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 bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:16:2d:5a:10:2c:eb, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:16:2d:5a:10:2c:eb, vlan:0) bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)