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: 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 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)