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): P8504/1:b..l rcu: (detected by 0, t=10503 jiffies, g=29149, q=1555 ncpus=2) task:syz.3.741 state:R running task stack:28488 pid:8504 tgid:8498 ppid:5622 task_flags:0x400040 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5510 [inline] __schedule+0x17d4/0x5630 kernel/sched/core.c:7239 preempt_schedule_irq+0x4b/0x90 kernel/sched/core.c:7561 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline] irqentry_exit+0x14f/0x910 kernel/entry/common.c:167 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:60 [inline] RIP: 0010:stack_access_ok arch/x86/kernel/unwind_orc.c:409 [inline] RIP: 0010:deref_stack_regs arch/x86/kernel/unwind_orc.c:434 [inline] RIP: 0010:unwind_next_frame+0xd9a/0x2550 arch/x86/kernel/unwind_orc.c:625 Code: 3e 00 0f 95 c0 48 8b 3c 24 49 39 ff 0f 96 c1 20 c1 49 39 fd 0f 97 c0 20 c8 3c 01 75 1b 48 8d 87 a8 00 00 00 4c 39 f8 0f 97 c1 <4c> 39 e8 0f 96 c0 84 c1 0f 85 d9 00 00 00 49 8d 4e 28 49 89 cd 49 RSP: 0018:ffffc9001af37580 EFLAGS: 00000206 RAX: ffffc9001af37ff0 RBX: 1ffff920035e6ec6 RCX: 1ffff920035e6e01 RDX: ffffffff90e6ac42 RSI: 0000000000000003 RDI: ffffc9001af37f48 RBP: 1ffffffff21cd588 R08: ffffc9001af37f48 R09: 0000000000000000 R10: 0000000000000000 R11: ffffffff8eb5a1e0 R12: 1ffff920035e6ec7 R13: ffffc9001af38000 R14: ffffc9001af37628 R15: ffffc9001af30000 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:1406 [inline] __free_frozen_pages+0xc22/0xd20 mm/page_alloc.c:2950 __slab_free+0x274/0x2c0 mm/slub.c:5741 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_kmalloc+0x22/0xb0 mm/kasan/common.c:406 kasan_kmalloc include/linux/kasan.h:263 [inline] __do_kmalloc_node mm/slub.c:5334 [inline] __kmalloc_noprof+0x379/0x720 mm/slub.c:5359 _kmalloc_noprof include/linux/slab.h:992 [inline] _kzalloc_noprof include/linux/slab.h:1309 [inline] tomoyo_encode2 security/tomoyo/realpath.c:45 [inline] tomoyo_encode+0x2ad/0x570 security/tomoyo/realpath.c:80 tomoyo_realpath_from_path+0x5fa/0x640 security/tomoyo/realpath.c:283 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_number_perm+0x246/0x5f0 security/tomoyo/file.c:728 security_file_ioctl+0xc3/0x2a0 security/security.c:2512 __do_sys_ioctl fs/ioctl.c:591 [inline] __se_sys_ioctl+0x47/0x170 fs/ioctl.c:583 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: 0033:0x7fe83ff9dd6b RSP: 002b:00007fe840dcf050 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fe840226218 RCX: 00007fe83ff9dd6b RDX: 0000000000000000 RSI: 0000000000006364 RDI: 00000000000000da RBP: 0000000000000000 R08: 0000000000000000 R09: 00007fe840dcf6c0 R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fe840226218 R14: 00007ffd725cb010 R15: 00007ffd725cb0f8 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) net_ratelimit: 19298 callbacks suppressed 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 bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)