bridge0: received packet on macvlan0 with own address as source address (addr:aa:aa:aa:aa:aa:34, vlan:0) bridge0: received packet on macvlan0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on macvlan1 with own address as source address (addr:aa:aa:aa:aa:aa:33, vlan:0) watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.4:4601] Modules linked in: irq event stamp: 4559985 hardirqs last enabled at (4559984): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (4559985): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (4546886): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (4546889): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (4546889): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 4601 Comm: syz-executor.4 Not tainted 4.19.198-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:unwind_next_frame+0x743/0x1400 arch/x86/kernel/unwind_orc.c:437 Code: 2c ff ff ff be 02 00 00 00 4c 89 ff 4c 89 44 24 30 48 89 4c 24 28 e8 ec cc 6e 00 4c 8b 44 24 30 48 8b 4c 24 28 e9 06 ff ff ff <48> b8 00 00 00 00 00 fc ff df 48 8b 14 24 48 c1 ea 03 80 3c 02 00 RSP: 0018:ffff8880ba106768 EFLAGS: 00000297 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000005 RBX: 1ffff11017420cf6 RCX: ffffffff8b98d135 RDX: 0000000000000005 RSI: 0000000000000001 RDI: 0000000000000001 RBP: 0000000000000001 R08: ffffffff8b98d134 R09: ffffffff8b98d130 R10: ffff8880ba1068f7 R11: 0000000000074071 R12: ffff8880ba1068e0 R13: ffff8880ba1068cd R14: ffff8880ba106898 R15: ffffffff8b98d130 FS: 00007fa8f3826700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0088ff07b CR3: 0000000009e6d000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __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 net_ratelimit: 1502 callbacks suppressed bridge0: received packet on macvlan1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on macvlan1 with own address as source address (addr:aa:aa:aa:aa:aa:33, vlan:0) bridge0: received packet on macvlan1 with own address as source address (addr:aa:aa:aa:aa:aa:33, vlan:0) bridge0: received packet on macvlan0 with own address as source address (addr:aa:aa:aa:aa:aa:34, vlan:0) bridge0: received packet on macvlan0 with own address as source address (addr:aa:aa:aa:aa:aa:34, vlan:0) bridge0: received packet on macvlan0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on macvlan1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on macvlan0 with own address as source address (addr:aa:aa:aa:aa:aa:34, vlan:0) kmem_cache_alloc+0x122/0x370 mm/slab.c:3559 skb_clone+0x151/0x3d0 net/core/skbuff.c:1293 dev_queue_xmit_nit+0x326/0xa20 net/core/dev.c:2018 bridge0: received packet on macvlan0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) xmit_one net/core/dev.c:3252 [inline] dev_hard_start_xmit+0xaa/0x920 net/core/dev.c:3272 __dev_queue_xmit+0x269d/0x2e00 net/core/dev.c:3838 bridge0: received packet on macvlan1 with own address as source address (addr:aa:aa:aa:aa:aa:33, vlan:0) br_dev_queue_push_xmit+0x25a/0x6c0 net/bridge/br_forward.c:56 br_nf_dev_queue_xmit+0x387/0x1970 net/bridge/br_netfilter_hooks.c:732 NF_HOOK include/linux/netfilter.h:289 [inline] br_nf_post_routing+0xa19/0x1110 net/bridge/br_netfilter_hooks.c:831 nf_hook_entry_hookfn include/linux/netfilter.h:119 [inline] nf_hook_slow+0xc5/0x1e0 net/netfilter/core.c:511 nf_hook include/linux/netfilter.h:244 [inline] NF_HOOK include/linux/netfilter.h:287 [inline] br_forward_finish+0x25a/0x3d0 net/bridge/br_forward.c:69 br_nf_hook_thresh+0x2a3/0x330 net/bridge/br_netfilter_hooks.c:1014 br_nf_forward_finish+0x335/0x6d0 net/bridge/br_netfilter_hooks.c:553 NF_HOOK include/linux/netfilter.h:289 [inline] br_nf_forward_ip+0xaae/0x15e0 net/bridge/br_netfilter_hooks.c:620 nf_hook_entry_hookfn include/linux/netfilter.h:119 [inline] nf_hook_slow+0xc5/0x1e0 net/netfilter/core.c:511 nf_hook include/linux/netfilter.h:244 [inline] NF_HOOK include/linux/netfilter.h:287 [inline] __br_forward+0x354/0xae0 net/bridge/br_forward.c:113 deliver_clone net/bridge/br_forward.c:129 [inline] br_flood+0x3c2/0x4d0 net/bridge/br_forward.c:238 br_handle_frame_finish+0xf41/0x1410 net/bridge/br_input.c:167 br_nf_hook_thresh+0x2a3/0x330 net/bridge/br_netfilter_hooks.c:1014 br_nf_pre_routing_finish_ipv6+0x6e3/0xd40 net/bridge/br_netfilter_ipv6.c:210 NF_HOOK include/linux/netfilter.h:289 [inline] br_nf_pre_routing_ipv6+0x3f4/0x860 net/bridge/br_netfilter_ipv6.c:240 br_nf_pre_routing+0xf05/0x1500 net/bridge/br_netfilter_hooks.c:494 nf_hook_entry_hookfn include/linux/netfilter.h:119 [inline] nf_hook_slow+0xc5/0x1e0 net/netfilter/core.c:511 nf_hook include/linux/netfilter.h:244 [inline] NF_HOOK include/linux/netfilter.h:287 [inline] br_handle_frame+0xa60/0x13b0 net/bridge/br_input.c:306 __netif_receive_skb_core+0x929/0x3270 net/core/dev.c:4876 __netif_receive_skb_one_core+0xae/0x180 net/core/dev.c:4952 __netif_receive_skb+0x27/0x1c0 net/core/dev.c:5066 process_backlog+0x241/0x700 net/core/dev.c:5848 napi_poll net/core/dev.c:6279 [inline] net_rx_action+0x4ac/0xfb0 net/core/dev.c:6345 __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:unlock_page_memcg+0x0/0x30 mm/memcontrol.c:1964 Code: 00 00 00 e8 e2 20 7a 06 e9 5a ff ff ff e8 58 9c f9 ff e9 3e ff ff ff e8 4e 9c f9 ff eb c1 66 66 2e 0f 1f 84 00 00 00 00 00 90 <48> b8 00 00 00 00 00 fc ff df 53 48 89 fb 48 83 c7 38 48 89 fa 48 RSP: 0018:ffff8880232b7738 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: ffff88802cfc4180 RBX: 0000000000000000 RCX: ffffffff818fa015 RDX: 0000000000000000 RSI: ffffffff818f9fda RDI: ffffea0002486540 RBP: ffffea0002486540 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: dead000000000100 R15: 00007fa8f47d9000 page_remove_rmap+0xe5/0x120 mm/rmap.c:1297 zap_pte_range mm/memory.c:1350 [inline] zap_pmd_range mm/memory.c:1463 [inline] zap_pud_range mm/memory.c:1492 [inline] zap_p4d_range mm/memory.c:1513 [inline] unmap_page_range+0x147d/0x2c50 mm/memory.c:1534 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: 0033:0x4665e9 Code: Bad RIP value. RSP: 002b:00007fa8f3826188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: 0000000000000395 RBX: 000000000056bf80 RCX: 00000000004665e9 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000005 RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 R10: 20000000000000d8 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffd7b1ab1ef R14: 00007fa8f3826300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 8108 Comm: syz-fuzzer Not tainted 4.19.198-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:23 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:67 [inline] RIP: 0010:write_comp_data+0xf/0x70 kernel/kcov.c:122 Code: 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 c3 0f 1f 84 00 00 00 00 00 49 89 f1 49 89 fa 65 48 8b 34 25 80 df 01 00 <65> 8b 05 8a 5c 9f 7e a9 00 01 1f 00 75 4f 8b 86 60 13 00 00 83 f8 RSP: 0000:ffff8880b2537ce0 EFLAGS: 00000246 RAX: ffff88809e7d25c0 RBX: 0000000000000000 RCX: ffffffff818cc10c RDX: 0000000000000000 RSI: ffff88809e7d25c0 RDI: 0000000000000001 RBP: ffffea00018722c0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffffea00018722c8 R13: 1ffff110164a6fa3 R14: 0000000000000000 R15: ffff888042894210 FS: 000000000185ab30(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c026a8b000 CR3: 00000000b5ba9000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: PageCompound include/linux/page-flags.h:156 [inline] page_mapcount include/linux/mm.h:640 [inline] do_numa_page mm/memory.c:4036 [inline] handle_pte_fault mm/memory.c:4182 [inline] __handle_mm_fault+0x1edc/0x41c0 mm/memory.c:4299 handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x46cf33 Code: 00 48 81 eb 00 01 00 00 48 81 c7 00 01 00 00 48 81 fb 00 01 00 00 73 82 e9 07 ff ff ff c5 fd ef c0 48 81 fb 00 00 00 02 73 46 fe 7f 07 c5 fe 7f 47 20 c5 fe 7f 47 40 c5 fe 7f 47 60 48 81 eb RSP: 002b:00007ffc1dea1008 EFLAGS: 00010202 RAX: 0000000000000000 RBX: 0000000000041000 RCX: 000000c026a58000 RDX: 0000000000019196 RSI: 0000000000000010 RDI: 000000c026a8b000 RBP: 00007ffc1dea1050 R08: 000000c026a58000 R09: 000000000000003a R10: 00007f1501b08130 R11: 0000000000001565 R12: 0000000000000039 R13: 0000000000000009 R14: 000080c026a58000 R15: 000080c026acbfff