syzbot

bridge0: received packet on bridge_slave_0 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): P5843/1:b..l
rcu: 	(detected by 1, t=10502 jiffies, g=16157, q=2560 ncpus=2)
task:syz-executor    state:R  running task     stack:21016 pid:5843  tgid:5843  ppid:5823   task_flags:0x400140 flags:0x10080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5325 [inline]
 __schedule+0x1798/0x4cc0 kernel/sched/core.c:6929
 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7256
 irqentry_exit+0x6f/0x90 kernel/entry/common.c:211
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:get_reg arch/x86/kernel/unwind_orc.c:452 [inline]
RIP: 0010:unwind_next_frame+0x11b1/0x2390 arch/x86/kernel/unwind_orc.c:643
Code: 00 00 0f b7 32 c1 ee 04 83 e6 0f 83 fe 04 0f 84 c7 05 00 00 83 fe 01 0f 84 78 05 00 00 85 f6 0f 85 5a 07 00 00 48 8b 44 24 38 <80> 3c 28 00 74 08 4c 89 ef e8 a1 03 b2 00 49 8b 7d 00 48 85 ff 0f
RSP: 0018:ffffc900041d7278 EFLAGS: 00000246
RAX: 1ffff9200083ae73 RBX: ffffc900041d7380 RCX: 0000000000000000
RDX: ffffffff90d29a42 RSI: 0000000000000000 RDI: ffffc900041d73a8
RBP: dffffc0000000000 R08: ffffc900041d73a7 R09: 0000000000000000
R10: ffffc900041d7398 R11: fffff5200083ae75 R12: ffffc900041d7f48
R13: ffffc900041d7398 R14: ffffc900041d7348 R15: 1ffffffff21a5348
 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
 save_stack+0xf5/0x1f0 mm/page_owner.c:156
 __reset_page_owner+0x71/0x1f0 mm/page_owner.c:308
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1394 [inline]
 __free_frozen_pages+0xbc4/0xd30 mm/page_alloc.c:2906
 discard_slab mm/slub.c:3301 [inline]
 __put_partials+0x146/0x170 mm/slub.c:3848
 put_cpu_partial+0x1f2/0x2e0 mm/slub.c:3923
 __slab_free+0x2b9/0x390 mm/slub.c:5882
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x97/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:352
 kasan_slab_alloc include/linux/kasan.h:252 [inline]
 slab_post_alloc_hook mm/slub.c:4946 [inline]
 slab_alloc_node mm/slub.c:5245 [inline]
 __do_kmalloc_node mm/slub.c:5602 [inline]
 __kmalloc_noprof+0x3c3/0x7f0 mm/slub.c:5615
 kmalloc_noprof include/linux/slab.h:961 [inline]
 tomoyo_realpath_from_path+0xe3/0x5d0 security/tomoyo/realpath.c:251
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_path_perm+0x213/0x4b0 security/tomoyo/file.c:822
 security_inode_getattr+0x12f/0x330 security/security.c:2416
 vfs_getattr fs/stat.c:259 [inline]
 vfs_statx_path fs/stat.c:299 [inline]
 vfs_statx_fd fs/stat.c:323 [inline]
 do_statx_fd+0x127/0x350 fs/stat.c:793
 __do_sys_statx fs/stat.c:821 [inline]
 __se_sys_statx+0x118/0x240 fs/stat.c:812
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0xb6/0x2b0 arch/x86/entry/syscall_32.c:306
 do_fast_syscall_32+0x34/0x80 arch/x86/entry/syscall_32.c:331
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf70ed539
RSP: 002b:00000000f75dfb00 EFLAGS: 00000206 ORIG_RAX: 000000000000017f
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000f731324a
RDX: 0000000000001800 RSI: 00000000000007ff RDI: 00000000f75dfbbc
RBP: 00000000f75dfd10 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
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 veth0_to_bridge 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:0c, vlan:0)