bridge0: received packet on veth1_to_bridge with own address as source address (addr:f2:23:af:63:c7:15, 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:f2:23:af:63:c7:15, vlan:0) rcu: INFO: rcu_sched detected stalls on CPUs/tasks: rcu: 1-....: (10485 ticks this GP) idle=55a/1/0x4000000000000004 softirq=45349/45741 fqs=3270 rcu: (detected by 0, t=10502 jiffies, g=2721, q=19) Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 21343 Comm: syz-executor.5 Not tainted 4.19.197-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:native_apic_mem_write+0x8/0x10 arch/x86/include/asm/apic.h:109 Code: 3d 1c ea 3c 0b 01 7f 02 5d c3 89 ef 5d e9 90 36 c9 06 48 c7 c7 00 67 65 8c e8 74 d1 6f 00 eb df 66 90 89 ff 89 b7 00 c0 5f ff 0f 1f 80 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 53 89 fb 48 RSP: 0018:ffff8880ba106d68 EFLAGS: 00000046 RAX: dffffc0000000000 RBX: ffffffff89cf91a0 RCX: 0000000000000020 RDX: 1ffffffff139f236 RSI: 000000000000013d RDI: 0000000000000380 RBP: ffff8880ba11e280 R08: ffffffff8c662058 R09: 0000000000000000 R10: 0000000000000007 R11: ffffffff8c66205b R12: 000000000000013d R13: 0000000000000000 R14: ffff8880ba124c80 R15: ffff8880ba124cf0 FS: 00007f69a6af4700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdec6f4a80 CR3: 0000000009e6d000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: apic_write arch/x86/include/asm/apic.h:389 [inline] lapic_next_event+0x4d/0x80 arch/x86/kernel/apic/apic.c:460 clockevents_program_event+0x234/0x350 kernel/time/clockevents.c:344 tick_program_event+0xac/0x140 kernel/time/tick-oneshot.c:48 hrtimer_interrupt+0x40a/0x9e0 kernel/time/hrtimer.c:1552 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1071 [inline] smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1096 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:unwind_next_frame+0xf48/0x1400 arch/x86/kernel/unwind_orc.c:555 Code: 48 89 f8 48 c1 e8 03 44 0f b6 04 30 49 8d 47 03 49 89 c1 49 c1 e9 03 41 0f b6 34 31 49 89 f9 41 83 e1 07 45 38 c8 41 0f 9e c1 <45> 84 c0 41 0f 95 c0 45 84 c1 0f 85 b3 02 00 00 83 e0 07 40 38 c6 RSP: 0018:ffff8880ba106f88 EFLAGS: 00000297 ORIG_RAX: ffffffffffffff13 RAX: ffffffff8bfc6275 RBX: 1ffff11017420dfa RCX: ffffffff8bfc6277 RDX: ffff8880ba1070f8 RSI: 0000000000000000 RDI: ffffffff8bfc6274 RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000001 R10: ffff8880ba107117 R11: 0000000000074071 R12: ffff8880ba107570 R13: ffff8880ba1070ed R14: ffff8880ba1070b8 R15: ffffffff8bfc6272 __save_stack_trace+0x9f/0x190 arch/x86/kernel/stacktrace.c:44 save_stack mm/kasan/kasan.c:448 [inline] set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:553 __do_kmalloc_node mm/slab.c:3689 [inline] __kmalloc_node_track_caller+0x4c/0x70 mm/slab.c:3703 __kmalloc_reserve net/core/skbuff.c:137 [inline] __alloc_skb+0xae/0x560 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:995 [inline] __tcp_send_ack.part.0+0x66/0x5c0 net/ipv4/tcp_output.c:3622 __tcp_send_ack net/ipv4/tcp_output.c:3649 [inline] tcp_send_ack+0x7d/0xa0 net/ipv4/tcp_output.c:3649 __tcp_ack_snd_check+0x152/0x890 net/ipv4/tcp_input.c:5209 tcp_rcv_established+0x17fa/0x1ea0 net/ipv4/tcp_input.c:5642 tcp_v4_do_rcv+0x5d6/0x870 net/ipv4/tcp_ipv4.c:1547 tcp_v4_rcv+0x2c03/0x3b80 net/ipv4/tcp_ipv4.c:1832 ip_local_deliver_finish+0x495/0xc00 net/ipv4/ip_input.c:215 NF_HOOK include/linux/netfilter.h:289 [inline] ip_local_deliver+0x188/0x500 net/ipv4/ip_input.c:256 dst_input include/net/dst.h:461 [inline] ip_rcv_finish+0x1ca/0x2e0 net/ipv4/ip_input.c:414 NF_HOOK include/linux/netfilter.h:289 [inline] ip_rcv+0xca/0x3c0 net/ipv4/ip_input.c:524 __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:4954 __netif_receive_skb+0x27/0x1c0 net/core/dev.c:5066 netif_receive_skb_internal+0xf0/0x3f0 net/core/dev.c:5156 napi_skb_finish net/core/dev.c:5600 [inline] napi_gro_receive+0x2e6/0x450 net/core/dev.c:5631 receive_buf+0xb8c/0x65c0 drivers/net/virtio_net.c:1084 virtnet_receive drivers/net/virtio_net.c:1348 [inline] virtnet_poll+0x568/0xd70 drivers/net/virtio_net.c:1453 napi_poll net/core/dev.c:6272 [inline] net_rx_action+0x4ac/0xfb0 net/core/dev.c:6338 __do_softirq+0x265/0x980 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:__read_once_size include/linux/compiler.h:261 [inline] RIP: 0010:compound_head include/linux/page-flags.h:142 [inline] RIP: 0010:PageAnon include/linux/page-flags.h:418 [inline] RIP: 0010:zap_pte_range mm/memory.c:1340 [inline] RIP: 0010:zap_pmd_range mm/memory.c:1463 [inline] RIP: 0010:zap_pud_range mm/memory.c:1492 [inline] RIP: 0010:zap_p4d_range mm/memory.c:1513 [inline] RIP: 0010:unmap_page_range+0x125c/0x2c50 mm/memory.c:1534 Code: fe ff ff e8 16 f5 d6 ff 49 8d 6d 08 48 89 e8 48 c1 e8 03 42 80 3c 30 00 0f 85 df 16 00 00 49 8b 45 08 31 ff 4d 89 ec 48 89 c3 <48> 89 84 24 c0 00 00 00 83 e3 01 48 89 de e8 71 f6 d6 ff 48 85 db RSP: 0018:ffff8880b455f770 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: dead000000000100 RBX: dead000000000100 RCX: ffff8880b455f9b0 RDX: 0000000000000000 RSI: ffffffff818b8ada RDI: 0000000000000000 RBP: ffffea00015cc5c8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffffea00015cc5c0 R13: ffffea00015cc5c0 R14: dffffc0000000000 R15: 00007f69a8aed000 unmap_single_vma+0x198/0x300 mm/memory.c:1579 unmap_vmas+0xa9/0x180 mm/memory.c:1609 exit_mmap+0x2b9/0x530 mm/mmap.c:3093 __mmput kernel/fork.c:1015 [inline] mmput+0x14e/0x4a0 kernel/fork.c:1036 exit_mm kernel/exit.c:549 [inline] do_exit+0xaec/0x2be0 kernel/exit.c:857 do_group_exit+0x125/0x310 kernel/exit.c:967 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665d9 Code: Bad RIP value. RSP: 002b:00007f69a6af4188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: 0000000000000003 RBX: 000000000056bf80 RCX: 00000000004665d9 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffca63bb33f R14: 00007f69a6af4300 R15: 0000000000022000 net_ratelimit: 9864 callbacks suppressed 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 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) bridge0: received packet on veth1_to_bridge with own address as source address (addr:f2:23:af:63:c7:15, 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 veth1_to_bridge with own address as source address (addr:f2:23:af:63:c7:15, 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 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:1c, vlan:0) net_ratelimit: 13552 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 veth1_to_bridge with own address as source address (addr:f2:23:af:63:c7:15, 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:f2:23:af:63:c7:15, 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) 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 veth1_to_bridge 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:f2:23:af:63:c7:15, vlan:0)