bridge0: received packet on veth1_to_bridge with own address as source address (addr:2a:fc:d0:eb:f2:90, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5836/1:b..l rcu: (detected by 0, t=10503 jiffies, g=10205, q=513 ncpus=2) task:syz-executor state:R running task stack:21464 pid:5836 tgid:5836 ppid:1 task_flags:0x400140 flags:0x20004006 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0x16e2/0x4cd0 kernel/sched/core.c:6767 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7090 irqentry_exit+0x6f/0x90 kernel/entry/common.c:354 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:check_kcov_mode kernel/kcov.c:183 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x18/0x70 kernel/kcov.c:217 Code: cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 65 48 8b 0c 25 08 40 75 92 65 8b 15 48 81 b5 10 <81> e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 3c 16 00 00 RSP: 0018:ffffc9000425ee48 EFLAGS: 00000202 RAX: ffffffff822c917e RBX: 000000000002fdec RCX: ffff88805f543c00 RDX: 0000000080000000 RSI: ffffffff8bc1cdc0 RDI: 000000000002fdec RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: ffffffff822adefe R12: 000000000002fdec R13: ffffea0000bf7b08 R14: ffffffff822adefe R15: dffffc0000000000 page_ext_lookup+0x1e/0x160 mm/page_ext.c:519 page_ext_iter_begin include/linux/page_ext.h:132 [inline] __update_page_owner_free_handle+0xe2/0x450 mm/page_owner.c:272 __reset_page_owner+0x85/0x1f0 mm/page_owner.c:309 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1262 [inline] __free_frozen_pages+0xb0e/0xcd0 mm/page_alloc.c:2725 discard_slab mm/slub.c:2730 [inline] __put_partials+0x161/0x1c0 mm/slub.c:3199 put_cpu_partial+0x17c/0x250 mm/slub.c:3274 __slab_free+0x2f7/0x400 mm/slub.c:4526 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x9a/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:329 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4161 [inline] slab_alloc_node mm/slub.c:4210 [inline] kmem_cache_alloc_node_noprof+0x1bb/0x3c0 mm/slub.c:4262 alloc_vmap_area+0x251/0x24d0 mm/vmalloc.c:1986 __get_vm_area_node+0x1c5/0x2d0 mm/vmalloc.c:3137 __vmalloc_node_range_noprof+0x2f1/0x12c0 mm/vmalloc.c:3804 __vmalloc_node_noprof mm/vmalloc.c:3907 [inline] vmalloc_noprof+0x79/0x90 mm/vmalloc.c:3940 xt_compat_init_offsets+0xd3/0x1c0 net/netfilter/x_tables.c:733 ebt_compat_init_offsets net/bridge/netfilter/ebtables.c:1832 [inline] compat_table_info+0xc0/0xd80 net/bridge/netfilter/ebtables.c:1843 compat_do_ebt_get_ctl net/bridge/netfilter/ebtables.c:2397 [inline] do_ebt_get_ctl+0x8bb/0x1c50 net/bridge/netfilter/ebtables.c:2460 nf_getsockopt+0x26b/0x290 net/netfilter/nf_sockopt.c:116 ip_getsockopt+0x1c4/0x220 net/ipv4/ip_sockglue.c:1777 do_sock_getsockopt+0x35d/0x650 net/socket.c:2357 __sys_getsockopt+0x128/0x1d0 net/socket.c:2386 __do_compat_sys_socketcall net/compat.c:494 [inline] __se_compat_sys_socketcall net/compat.c:423 [inline] __ia32_compat_sys_socketcall+0x824/0x9c0 net/compat.c:423 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xb4/0x110 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: 0023:0xf7f45539 RSP: 002b:00000000f752f670 EFLAGS: 00000206 ORIG_RAX: 0000000000000066 RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00000000f752f6a8 RDX: 00000000f752f72c RSI: 00000000f752f730 RDI: 00000000f73d2ff4 RBP: 00000000f752f730 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 net_ratelimit: 16830 callbacks suppressed bridge0: received packet on veth1_to_bridge with own address as source address (addr:2a:fc:d0:eb:f2:90, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:2a:fc:d0:eb:f2:90, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:2a:fc:d0:eb:f2:90, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:2a:fc:d0:eb:f2:90, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:2a:fc:d0:eb:f2:90, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:2a:fc:d0:eb:f2:90, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:2a:fc:d0:eb:f2:90, vlan:0) net_ratelimit: 18589 callbacks suppressed bridge0: received packet on veth1_to_bridge with own address as source address (addr:2a:fc:d0:eb:f2:90, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:2a:fc:d0:eb:f2:90, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:2a:fc:d0:eb:f2:90, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:2a:fc:d0:eb:f2:90, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:2a:fc:d0:eb:f2:90, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:2a:fc:d0:eb:f2:90, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:2a:fc:d0:eb:f2:90, vlan:0)