bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:58:a8:0b:0a:fe, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P9982/1:b..l rcu: (detected by 0, t=10503 jiffies, g=88517, q=1301 ncpus=2) task:syz-executor state:R running task stack:20296 pid:9982 tgid:9982 ppid:9974 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0x1539/0x5110 kernel/sched/core.c:6907 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7234 irqentry_exit+0x599/0x620 kernel/entry/common.c:239 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:lock_release+0x2d7/0x3d0 kernel/locking/lockdep.c:5893 Code: b6 9e 11 00 00 00 00 eb b5 e8 15 53 16 0a f7 c3 00 02 00 00 74 b9 65 48 8b 05 95 70 9e 11 48 3b 44 24 28 75 44 fb 48 83 c4 30 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 48 8d 3d 12 77 94 RSP: 0018:ffffc9000427ef80 EFLAGS: 00000282 RAX: d3fa35d56ed5e900 RBX: 0000000000000202 RCX: 0000000000000046 RDX: 0000000000000002 RSI: ffffffff8e278d03 RDI: ffffffff8c298700 RBP: ffff8880326a29a8 R08: ffffc9000427fbb0 R09: 0000000000000000 R10: ffffc9000427f0d8 R11: fffff5200084fe1d R12: 0000000000000002 R13: 0000000000000002 R14: ffffffff8e960320 R15: ffff8880326a1e40 rcu_lock_release include/linux/rcupdate.h:322 [inline] rcu_read_unlock include/linux/rcupdate.h:881 [inline] class_rcu_destructor include/linux/rcupdate.h:1193 [inline] unwind_next_frame+0x1aaa/0x23c0 arch/x86/kernel/unwind_orc.c:695 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:1432 [inline] __free_frozen_pages+0xc01/0xd80 mm/page_alloc.c:2972 __slab_free+0x263/0x2b0 mm/slub.c:5487 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x97/0x100 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:5174 [inline] __kmalloc_noprof+0x35c/0x760 mm/slub.c:5186 kmalloc_noprof include/linux/slab.h:966 [inline] kzalloc_noprof include/linux/slab.h:1204 [inline] tomoyo_encode2 security/tomoyo/realpath.c:45 [inline] tomoyo_encode+0x28b/0x550 security/tomoyo/realpath.c:80 tomoyo_realpath_from_path+0x58d/0x5d0 security/tomoyo/realpath.c:283 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_check_open_permission+0x229/0x470 security/tomoyo/file.c:776 security_file_open+0xa9/0x240 security/security.c:2636 do_dentry_open+0x384/0x14e0 fs/open.c:926 vfs_open+0x3b/0x340 fs/open.c:1081 do_open fs/namei.c:4671 [inline] path_openat+0x2e08/0x3860 fs/namei.c:4830 do_file_open+0x23e/0x4a0 fs/namei.c:4859 do_sys_openat2+0x113/0x200 fs/open.c:1366 do_sys_open fs/open.c:1372 [inline] __do_sys_openat fs/open.c:1388 [inline] __se_sys_openat fs/open.c:1383 [inline] __x64_sys_openat+0x138/0x170 fs/open.c:1383 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbf4c79a1dc RSP: 002b:00007ffefa4e3a90 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 000000000000036f RCX: 00007fbf4c79a1dc RDX: 0000000000090800 RSI: 00007fbf4c805800 RDI: 00000000ffffff9c RBP: 00007ffefa4e3b3c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000134 R13: 0000000000000000 R14: 000000000007be63 R15: 00007ffefa4e3b90 bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:58:a8:0b:0a:fe, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:58:a8:0b:0a:fe, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:58:a8:0b:0a:fe, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:58:a8:0b:0a:fe, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:58:a8:0b:0a:fe, vlan:0) net_ratelimit: 17567 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:58:a8:0b:0a:fe, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:58:a8:0b:0a:fe, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:58:a8:0b:0a:fe, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:58:a8:0b:0a:fe, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:58:a8:0b:0a:fe, vlan:0)